diff --git a/CHANGELOG.md b/CHANGELOG.md index 33944b453..03e6b6506 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,6 +2,9 @@ ## [v6.7.8] (?) +### Added +- Added support for `manpages` generation via `ionosctl man` command + ### Changed - Added authentication warning to `image upload` help text diff --git a/commands/man.go b/commands/man.go new file mode 100644 index 000000000..89d57cc3d --- /dev/null +++ b/commands/man.go @@ -0,0 +1,148 @@ +package commands + +import ( + "compress/gzip" + "fmt" + "os" + "path/filepath" + "runtime" + + "github.com/ionos-cloud/ionosctl/v6/internal/constants" + "github.com/ionos-cloud/ionosctl/v6/internal/core" + "github.com/ionos-cloud/ionosctl/v6/internal/printer/jsontabwriter" + "github.com/ionos-cloud/ionosctl/v6/pkg/confirm" + "github.com/spf13/cobra" + "github.com/spf13/cobra/doc" + "github.com/spf13/viper" +) + +func Man() *core.Command { + manCmd := &core.Command{ + Command: &cobra.Command{ + Use: "man", + Aliases: []string{"manpages"}, + Short: "Generate manpages for ionosctl", + Long: `WARNING: This command is only supported on Linux. + +The 'man' command allows you to generate manpages for ionosctl in a given directory. By default, the manpages will be compressed using gzip, but you can skip this step by using the '--skip-compression' flag. +In order to install the manpages, there are a few steps you need to follow: +- Decide where you would like to install the manpages. You can check which directories are available to you by running 'manpath'. If you want to install the manpages to a directory that is not listed, you can add a new entry to '~/.manpath' (see 'man 5 manpath' for how to do it). The directory must contain subdirectories for each section (e.g. 'man1', 'man5', etc.). +- Copy the manpages to the installation directory, in the 'man1' section. +- Run 'sudo mandb' to update the 'man' internal database. + +After following these steps, you should be able to use 'man ionosctl' to access the manpages.`, + TraverseChildren: true, + Example: `ionosctl man --target-dir /tmp/ionosctl-man`, + PreRunE: func(cmd *cobra.Command, args []string) error { + if runtime.GOOS != "linux" { + return fmt.Errorf("manpages generation is only supported on Linux") + } + + targetDir, _ := cmd.Flags().GetString(constants.FlagTargetDir) + if !filepath.IsAbs(targetDir) { + return fmt.Errorf("target-dir must be an absolute path") + } + + return nil + }, + RunE: func(cmd *cobra.Command, args []string) error { + targetDir, _ := cmd.Flags().GetString(constants.FlagTargetDir) + skipCompression, _ := cmd.Flags().GetBool(constants.FlagSkipCompression) + + _, _ = fmt.Fprintf(cmd.OutOrStdout(), jsontabwriter.GenerateVerboseOutput("Checking if target directory for generation already exists")) + if err := handleExistingManpagesTargetDir(cmd, targetDir); err != nil { + return err + } + + if err := os.MkdirAll(targetDir, 0700); err != nil { + return fmt.Errorf("error creating target directory %s: %w", targetDir, err) + } + + _, _ = fmt.Fprintf(cmd.OutOrStdout(), jsontabwriter.GenerateVerboseOutput("Generating manpages")) + if err := doc.GenManTree(cmd.Root(), nil, targetDir); err != nil { + return fmt.Errorf("error generating manpages: %v", err) + } + + if skipCompression { + _, _ = fmt.Fprintf(cmd.OutOrStdout(), jsontabwriter.GenerateLogOutput("Manpages successfully generated.")) + return nil + } + + if err := compressManpages(targetDir); err != nil { + return fmt.Errorf("error compressing manpages: %v", err) + } + + _, _ = fmt.Fprintf(cmd.OutOrStdout(), jsontabwriter.GenerateLogOutput("Manpages successfully generated and compressed.")) + return nil + }, + }, + } + + manCmd.Command.Flags().String(constants.FlagTargetDir, "/tmp/ionosctl-man", "Target directory where manpages will be generated. Must be an absolute path") + manCmd.Command.Flags().Bool(constants.FlagSkipCompression, false, "Skip compressing manpages with gzip, just generate them") + + return manCmd +} + +func handleExistingManpagesTargetDir(c *cobra.Command, targetDir string) error { + if _, err := os.Stat(targetDir); os.IsNotExist(err) { + return nil + } + + if !confirm.FAsk( + c.InOrStdin(), + fmt.Sprintf("Target directory %s already exists. Do you want to replace it", targetDir), + viper.GetBool(constants.ArgForce), + ) { + return fmt.Errorf(confirm.UserDenied) + } + + if err := os.RemoveAll(targetDir); err != nil { + return fmt.Errorf("error deleting target directory %s: %w", targetDir, err) + } + + return nil +} + +func compressManpages(genDir string) error { + files, err := os.ReadDir(genDir) + if err != nil { + return fmt.Errorf("error opening manpages target directory %s: %v", genDir, err) + } + + for _, file := range files { + uncompressedFilePath := fmt.Sprintf("%s/%s", genDir, file.Name()) + fileContent, err := os.ReadFile(uncompressedFilePath) + if err != nil { + return fmt.Errorf("error reading uncompressed manpage file %s: %v", file.Name(), err) + } + + compressedFilePath := fmt.Sprintf("%s.gz", uncompressedFilePath) + if err = gzipManFile(fileContent, compressedFilePath); err != nil { + return fmt.Errorf("error compressing manpage file: %v", err) + } + + if err = os.Remove(uncompressedFilePath); err != nil { + return fmt.Errorf("error removing uncompressed manpage file %s: %v", file.Name(), err) + } + } + + return nil +} + +func gzipManFile(fileContent []byte, newFileName string) error { + gzipFile, err := os.OpenFile(newFileName, os.O_WRONLY|os.O_CREATE, 0644) + if err != nil { + return fmt.Errorf("error creating gzipped manpage file %s: %v", newFileName, err) + } + defer gzipFile.Close() + + gzipWriter := gzip.NewWriter(gzipFile) + _, err = gzipWriter.Write(fileContent) + if err != nil { + return fmt.Errorf("error writing to gzipped manpage file %s: %v", newFileName, err) + } + defer gzipWriter.Close() + + return nil +} diff --git a/commands/root.go b/commands/root.go index 4045a9ff8..282be519b 100644 --- a/commands/root.go +++ b/commands/root.go @@ -5,22 +5,21 @@ import ( "os" "strings" - "github.com/ionos-cloud/ionosctl/v6/commands/cfg" - "github.com/ionos-cloud/ionosctl/v6/commands/dns" - vm_autoscaling "github.com/ionos-cloud/ionosctl/v6/commands/vm-autoscaling" - "github.com/ionos-cloud/ionosctl/v6/internal/printer/jsontabwriter" - "github.com/ionos-cloud/ionosctl/v6/internal/version" - certificates "github.com/ionos-cloud/ionosctl/v6/commands/certmanager" + "github.com/ionos-cloud/ionosctl/v6/commands/cfg" cloudapiv6 "github.com/ionos-cloud/ionosctl/v6/commands/cloudapi-v6" container_registry "github.com/ionos-cloud/ionosctl/v6/commands/container-registry" "github.com/ionos-cloud/ionosctl/v6/commands/dataplatform" "github.com/ionos-cloud/ionosctl/v6/commands/dbaas" + "github.com/ionos-cloud/ionosctl/v6/commands/dns" logging_service "github.com/ionos-cloud/ionosctl/v6/commands/logging-service" "github.com/ionos-cloud/ionosctl/v6/commands/token" + vm_autoscaling "github.com/ionos-cloud/ionosctl/v6/commands/vm-autoscaling" "github.com/ionos-cloud/ionosctl/v6/internal/config" "github.com/ionos-cloud/ionosctl/v6/internal/constants" "github.com/ionos-cloud/ionosctl/v6/internal/core" + "github.com/ionos-cloud/ionosctl/v6/internal/printer/jsontabwriter" + "github.com/ionos-cloud/ionosctl/v6/internal/version" "github.com/mitchellh/go-homedir" "github.com/spf13/cobra" "github.com/spf13/viper" @@ -160,6 +159,8 @@ func initConfig() { func addCommands() { rootCmd.AddCommand(Shell()) rootCmd.AddCommand(VersionCmd()) + rootCmd.AddCommand(Man()) + // cfg rootCmd.AddCommand(cfg.ConfigCmd()) // Config namespace commands are also available via the root command, but are hidden @@ -287,14 +288,16 @@ EXAMPLES: Use "{{.CommandPath}} [command] --help" for more information about a command.{{print "\n"}}{{end}}` ) -var helpTemplate = strings.Join([]string{ - seeAlso, - additionalHelpTopics, - globalFlags, - localFlags, - aliases, - examples, - usage, - availableCommands, - moreInfo, -}, "") +var helpTemplate = strings.Join( + []string{ + seeAlso, + additionalHelpTopics, + globalFlags, + localFlags, + aliases, + examples, + usage, + availableCommands, + moreInfo, + }, "", +) diff --git a/docs/subcommands/CLI Setup/man.md b/docs/subcommands/CLI Setup/man.md new file mode 100644 index 000000000..aa03ec943 --- /dev/null +++ b/docs/subcommands/CLI Setup/man.md @@ -0,0 +1,53 @@ +--- +description: "Generate manpages for ionosctl" +--- + +# Man + +## Usage + +```text +ionosctl man [flags] +``` + +## Aliases + +For `man` command: + +```text +[manpages] +``` + +## Description + +WARNING: This command is only supported on Linux. + +The 'man' command allows you to generate manpages for ionosctl in a given directory. By default, the manpages will be compressed using gzip, but you can skip this step by using the '--skip-compression' flag. +In order to install the manpages, there are a few steps you need to follow: +- Decide where you would like to install the manpages. You can check which directories are available to you by running 'manpath'. If you want to install the manpages to a directory that is not listed, you can add a new entry to '~/.manpath' (see 'man 5 manpath' for how to do it). The directory must contain subdirectories for each section (e.g. 'man1', 'man5', etc.). +- Copy the manpages to the installation directory, in the 'man1' section. +- Run 'sudo mandb' to update the 'man' internal database. + +After following these steps, you should be able to use 'man ionosctl' to access the manpages. + +## Options + +```text + -u, --api-url string Override default host url (default "https://api.ionos.com") + -c, --config string Configuration file used for authentication (default "$XDG_CONFIG_HOME/ionosctl/config.json") + -f, --force Force command to execute without user input + -h, --help Print usage + --no-headers Don't print table headers when table output is used + -o, --output string Desired output format [text|json|api-json] (default "text") + -q, --quiet Quiet output + --skip-compression Skip compressing manpages with gzip, just generate them + --target-dir string Target directory where manpages will be generated. Must be an absolute path (default "/tmp/ionosctl-man") + -v, --verbose Print step-by-step process when running command +``` + +## Examples + +```text +ionosctl man --target-dir /tmp/ionosctl-man +``` + diff --git a/docs/subcommands/Compute Engine/logging/service/logs/add.md b/docs/subcommands/Logging-Service/logs/add.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/logs/add.md rename to docs/subcommands/Logging-Service/logs/add.md diff --git a/docs/subcommands/Compute Engine/logging/service/logs/get.md b/docs/subcommands/Logging-Service/logs/get.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/logs/get.md rename to docs/subcommands/Logging-Service/logs/get.md diff --git a/docs/subcommands/Compute Engine/logging/service/logs/list.md b/docs/subcommands/Logging-Service/logs/list.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/logs/list.md rename to docs/subcommands/Logging-Service/logs/list.md diff --git a/docs/subcommands/Compute Engine/logging/service/logs/remove.md b/docs/subcommands/Logging-Service/logs/remove.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/logs/remove.md rename to docs/subcommands/Logging-Service/logs/remove.md diff --git a/docs/subcommands/Compute Engine/logging/service/logs/update.md b/docs/subcommands/Logging-Service/logs/update.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/logs/update.md rename to docs/subcommands/Logging-Service/logs/update.md diff --git a/docs/subcommands/Compute Engine/logging/service/pipeline/create.md b/docs/subcommands/Logging-Service/pipeline/create.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/pipeline/create.md rename to docs/subcommands/Logging-Service/pipeline/create.md diff --git a/docs/subcommands/Compute Engine/logging/service/pipeline/delete.md b/docs/subcommands/Logging-Service/pipeline/delete.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/pipeline/delete.md rename to docs/subcommands/Logging-Service/pipeline/delete.md diff --git a/docs/subcommands/Compute Engine/logging/service/pipeline/get.md b/docs/subcommands/Logging-Service/pipeline/get.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/pipeline/get.md rename to docs/subcommands/Logging-Service/pipeline/get.md diff --git a/docs/subcommands/Compute Engine/logging/service/pipeline/key.md b/docs/subcommands/Logging-Service/pipeline/key.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/pipeline/key.md rename to docs/subcommands/Logging-Service/pipeline/key.md diff --git a/docs/subcommands/Compute Engine/logging/service/pipeline/list.md b/docs/subcommands/Logging-Service/pipeline/list.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/pipeline/list.md rename to docs/subcommands/Logging-Service/pipeline/list.md diff --git a/docs/subcommands/Compute Engine/logging/service/pipeline/update.md b/docs/subcommands/Logging-Service/pipeline/update.md similarity index 100% rename from docs/subcommands/Compute Engine/logging/service/pipeline/update.md rename to docs/subcommands/Logging-Service/pipeline/update.md diff --git a/docs/summary.md b/docs/summary.md index 1df96d396..ee16ef839 100644 --- a/docs/summary.md +++ b/docs/summary.md @@ -38,6 +38,7 @@ * [location](subcommands%2FCLI%20Setup%2Flocation.md) * [login](subcommands%2FCLI%20Setup%2Flogin.md) * [logout](subcommands%2FCLI%20Setup%2Flogout.md) + * [man](subcommands%2FCLI%20Setup%2Fman.md) * [version](subcommands%2FCLI%20Setup%2Fversion.md) * [whoami](subcommands%2FCLI%20Setup%2Fwhoami.md) * Certificate Manager @@ -128,21 +129,6 @@ * [list](subcommands%2FCompute%20Engine%2Flocation%2Fcpu%2Flist.md) * [get](subcommands%2FCompute%20Engine%2Flocation%2Fget.md) * [list](subcommands%2FCompute%20Engine%2Flocation%2Flist.md) - * logging - * service - * logs - * [add](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Flogs%2Fadd.md) - * [get](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Flogs%2Fget.md) - * [list](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Flogs%2Flist.md) - * [remove](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Flogs%2Fremove.md) - * [update](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Flogs%2Fupdate.md) - * pipeline - * [create](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Fpipeline%2Fcreate.md) - * [delete](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Fpipeline%2Fdelete.md) - * [get](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Fpipeline%2Fget.md) - * [key](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Fpipeline%2Fkey.md) - * [list](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Fpipeline%2Flist.md) - * [update](subcommands%2FCompute%20Engine%2Flogging%2Fservice%2Fpipeline%2Fupdate.md) * nic * [create](subcommands%2FCompute%20Engine%2Fnic%2Fcreate.md) * [delete](subcommands%2FCompute%20Engine%2Fnic%2Fdelete.md) @@ -346,6 +332,20 @@ * [list](subcommands%2FDatabase-as-a-Service%2Fpostgres%2Fversion%2Flist.md) * Interactive Shell * [shell](subcommands%2FInteractive%20Shell%2Fshell.md) +* Logging Service + * logs + * [add](subcommands%2FLogging-Service%2Flogs%2Fadd.md) + * [get](subcommands%2FLogging-Service%2Flogs%2Fget.md) + * [list](subcommands%2FLogging-Service%2Flogs%2Flist.md) + * [remove](subcommands%2FLogging-Service%2Flogs%2Fremove.md) + * [update](subcommands%2FLogging-Service%2Flogs%2Fupdate.md) + * pipeline + * [create](subcommands%2FLogging-Service%2Fpipeline%2Fcreate.md) + * [delete](subcommands%2FLogging-Service%2Fpipeline%2Fdelete.md) + * [get](subcommands%2FLogging-Service%2Fpipeline%2Fget.md) + * [key](subcommands%2FLogging-Service%2Fpipeline%2Fkey.md) + * [list](subcommands%2FLogging-Service%2Fpipeline%2Flist.md) + * [update](subcommands%2FLogging-Service%2Fpipeline%2Fupdate.md) * Managed Backup * [create](subcommands%2FManaged-Backup%2Fcreate.md) * [delete](subcommands%2FManaged-Backup%2Fdelete.md) diff --git a/go.mod b/go.mod index de44849d5..669e6059a 100644 --- a/go.mod +++ b/go.mod @@ -23,7 +23,7 @@ require ( github.com/kardianos/ftps v1.0.3 github.com/mitchellh/go-homedir v1.1.0 github.com/mmatczuk/anyflag v0.0.0-20230209112147-9567d4cab866 - github.com/spf13/cobra v1.8.0 + github.com/spf13/cobra v1.8.1 github.com/spf13/pflag v1.0.5 github.com/spf13/viper v1.16.0 github.com/stretchr/testify v1.8.4 @@ -43,7 +43,11 @@ require ( github.com/ionos-cloud/sdk-go-dbaas-mariadb v1.0.0 ) -require github.com/pkg/term v1.2.0-beta.2 // indirect +require ( + github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect + github.com/pkg/term v1.2.0-beta.2 // indirect + github.com/russross/blackfriday/v2 v2.1.0 // indirect +) // `ionosctl shell` requirements require ( diff --git a/go.sum b/go.sum index 0bd32aa88..8594c7e22 100644 --- a/go.sum +++ b/go.sum @@ -88,7 +88,8 @@ github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3Ee github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= -github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4= +github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= @@ -400,6 +401,7 @@ github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6So github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8= github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= +github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk= github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts= github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E= @@ -418,8 +420,8 @@ github.com/spf13/afero v1.9.5/go.mod h1:UBogFpq8E9Hx+xc5CNTTEpTnuHVmXDwZcZcE1eb/ github.com/spf13/cast v1.5.1 h1:R+kOtfhWQE6TVQzY+4D7wJLBgkdVasCEFxSUBYBYIlA= github.com/spf13/cast v1.5.1/go.mod h1:b9PdjNptOpzXr7Rq1q9gJML/2cdGQAo69NKzQ10KN48= github.com/spf13/cobra v0.0.3/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ= -github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0= -github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho= +github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM= +github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y= github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk= github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo= github.com/spf13/pflag v1.0.1/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4= diff --git a/internal/constants/constants.go b/internal/constants/constants.go index e059666f3..782e1fb10 100644 --- a/internal/constants/constants.go +++ b/internal/constants/constants.go @@ -187,6 +187,12 @@ const ( FlagSkipVerify = "skip-verify" ) +// Manpages +const ( + FlagTargetDir = "target-dir" + FlagSkipCompression = "skip-compression" +) + // Resource info const ( DatacenterId = "Datacenter ID: %v" diff --git a/internal/core/doc/doc.go b/internal/core/doc/doc.go index 18219315a..155cffed5 100644 --- a/internal/core/doc/doc.go +++ b/internal/core/doc/doc.go @@ -38,6 +38,7 @@ var nonComputeNamespaces = map[string]string{ "dns": "DNS", "config": "CLI Setup", "vm-autoscaling": "VM Autoscaling", + "logging-service": "Logging-Service", } func GenerateSummary(dir string) error { @@ -153,7 +154,7 @@ func determineSubdir(name string, nonComputeNamespaces map[string]string) string segments := strings.Split(name, "-") // Custom names depending on first level names - if segments[0] == "version" || segments[0] == "completion" { + if segments[0] == "version" || segments[0] == "completion" || segments[0] == "man" { return filepath.Join("CLI Setup", filepath.Join(segments...)) } @@ -240,13 +241,15 @@ func writeDoc(cmd *core.Command, w io.Writer) error { // Create new buffer to replace user info newbuf := new(bytes.Buffer) flags.SetOutput(newbuf) - flags.VisitAll(func(flag *pflag.Flag) { - handler := getStrategyForFlag(flag.Name) - // If a custom default value handler is specified, use it to modify the default of this flag for docs - if handler != nil { - flag.DefValue = handler(flag.Usage, flag.DefValue) - } - }) + flags.VisitAll( + func(flag *pflag.Flag) { + handler := getStrategyForFlag(flag.Name) + // If a custom default value handler is specified, use it to modify the default of this flag for docs + if handler != nil { + flag.DefValue = handler(flag.Usage, flag.DefValue) + } + }, + ) flags.PrintDefaults() // Get $XDG_CONFIG_HOME from environment diff --git a/vendor/github.com/cpuguy83/go-md2man/v2/LICENSE.md b/vendor/github.com/cpuguy83/go-md2man/v2/LICENSE.md new file mode 100644 index 000000000..1cade6cef --- /dev/null +++ b/vendor/github.com/cpuguy83/go-md2man/v2/LICENSE.md @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014 Brian Goff + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/vendor/github.com/cpuguy83/go-md2man/v2/md2man/md2man.go b/vendor/github.com/cpuguy83/go-md2man/v2/md2man/md2man.go new file mode 100644 index 000000000..42bf32aab --- /dev/null +++ b/vendor/github.com/cpuguy83/go-md2man/v2/md2man/md2man.go @@ -0,0 +1,16 @@ +package md2man + +import ( + "github.com/russross/blackfriday/v2" +) + +// Render converts a markdown document into a roff formatted document. +func Render(doc []byte) []byte { + renderer := NewRoffRenderer() + + return blackfriday.Run(doc, + []blackfriday.Option{ + blackfriday.WithRenderer(renderer), + blackfriday.WithExtensions(renderer.GetExtensions()), + }...) +} diff --git a/vendor/github.com/cpuguy83/go-md2man/v2/md2man/roff.go b/vendor/github.com/cpuguy83/go-md2man/v2/md2man/roff.go new file mode 100644 index 000000000..8a290f197 --- /dev/null +++ b/vendor/github.com/cpuguy83/go-md2man/v2/md2man/roff.go @@ -0,0 +1,382 @@ +package md2man + +import ( + "bufio" + "bytes" + "fmt" + "io" + "os" + "strings" + + "github.com/russross/blackfriday/v2" +) + +// roffRenderer implements the blackfriday.Renderer interface for creating +// roff format (manpages) from markdown text +type roffRenderer struct { + extensions blackfriday.Extensions + listCounters []int + firstHeader bool + firstDD bool + listDepth int +} + +const ( + titleHeader = ".TH " + topLevelHeader = "\n\n.SH " + secondLevelHdr = "\n.SH " + otherHeader = "\n.SS " + crTag = "\n" + emphTag = "\\fI" + emphCloseTag = "\\fP" + strongTag = "\\fB" + strongCloseTag = "\\fP" + breakTag = "\n.br\n" + paraTag = "\n.PP\n" + hruleTag = "\n.ti 0\n\\l'\\n(.lu'\n" + linkTag = "\n\\[la]" + linkCloseTag = "\\[ra]" + codespanTag = "\\fB" + codespanCloseTag = "\\fR" + codeTag = "\n.EX\n" + codeCloseTag = ".EE\n" // Do not prepend a newline character since code blocks, by definition, include a newline already (or at least as how blackfriday gives us on). + quoteTag = "\n.PP\n.RS\n" + quoteCloseTag = "\n.RE\n" + listTag = "\n.RS\n" + listCloseTag = "\n.RE\n" + dtTag = "\n.TP\n" + dd2Tag = "\n" + tableStart = "\n.TS\nallbox;\n" + tableEnd = ".TE\n" + tableCellStart = "T{\n" + tableCellEnd = "\nT}\n" + tablePreprocessor = `'\" t` +) + +// NewRoffRenderer creates a new blackfriday Renderer for generating roff documents +// from markdown +func NewRoffRenderer() *roffRenderer { // nolint: golint + var extensions blackfriday.Extensions + + extensions |= blackfriday.NoIntraEmphasis + extensions |= blackfriday.Tables + extensions |= blackfriday.FencedCode + extensions |= blackfriday.SpaceHeadings + extensions |= blackfriday.Footnotes + extensions |= blackfriday.Titleblock + extensions |= blackfriday.DefinitionLists + return &roffRenderer{ + extensions: extensions, + } +} + +// GetExtensions returns the list of extensions used by this renderer implementation +func (r *roffRenderer) GetExtensions() blackfriday.Extensions { + return r.extensions +} + +// RenderHeader handles outputting the header at document start +func (r *roffRenderer) RenderHeader(w io.Writer, ast *blackfriday.Node) { + // We need to walk the tree to check if there are any tables. + // If there are, we need to enable the roff table preprocessor. + ast.Walk(func(node *blackfriday.Node, entering bool) blackfriday.WalkStatus { + if node.Type == blackfriday.Table { + out(w, tablePreprocessor+"\n") + return blackfriday.Terminate + } + return blackfriday.GoToNext + }) + + // disable hyphenation + out(w, ".nh\n") +} + +// RenderFooter handles outputting the footer at the document end; the roff +// renderer has no footer information +func (r *roffRenderer) RenderFooter(w io.Writer, ast *blackfriday.Node) { +} + +// RenderNode is called for each node in a markdown document; based on the node +// type the equivalent roff output is sent to the writer +func (r *roffRenderer) RenderNode(w io.Writer, node *blackfriday.Node, entering bool) blackfriday.WalkStatus { + walkAction := blackfriday.GoToNext + + switch node.Type { + case blackfriday.Text: + escapeSpecialChars(w, node.Literal) + case blackfriday.Softbreak: + out(w, crTag) + case blackfriday.Hardbreak: + out(w, breakTag) + case blackfriday.Emph: + if entering { + out(w, emphTag) + } else { + out(w, emphCloseTag) + } + case blackfriday.Strong: + if entering { + out(w, strongTag) + } else { + out(w, strongCloseTag) + } + case blackfriday.Link: + // Don't render the link text for automatic links, because this + // will only duplicate the URL in the roff output. + // See https://daringfireball.net/projects/markdown/syntax#autolink + if !bytes.Equal(node.LinkData.Destination, node.FirstChild.Literal) { + out(w, string(node.FirstChild.Literal)) + } + // Hyphens in a link must be escaped to avoid word-wrap in the rendered man page. + escapedLink := strings.ReplaceAll(string(node.LinkData.Destination), "-", "\\-") + out(w, linkTag+escapedLink+linkCloseTag) + walkAction = blackfriday.SkipChildren + case blackfriday.Image: + // ignore images + walkAction = blackfriday.SkipChildren + case blackfriday.Code: + out(w, codespanTag) + escapeSpecialChars(w, node.Literal) + out(w, codespanCloseTag) + case blackfriday.Document: + break + case blackfriday.Paragraph: + // roff .PP markers break lists + if r.listDepth > 0 { + return blackfriday.GoToNext + } + if entering { + out(w, paraTag) + } else { + out(w, crTag) + } + case blackfriday.BlockQuote: + if entering { + out(w, quoteTag) + } else { + out(w, quoteCloseTag) + } + case blackfriday.Heading: + r.handleHeading(w, node, entering) + case blackfriday.HorizontalRule: + out(w, hruleTag) + case blackfriday.List: + r.handleList(w, node, entering) + case blackfriday.Item: + r.handleItem(w, node, entering) + case blackfriday.CodeBlock: + out(w, codeTag) + escapeSpecialChars(w, node.Literal) + out(w, codeCloseTag) + case blackfriday.Table: + r.handleTable(w, node, entering) + case blackfriday.TableHead: + case blackfriday.TableBody: + case blackfriday.TableRow: + // no action as cell entries do all the nroff formatting + return blackfriday.GoToNext + case blackfriday.TableCell: + r.handleTableCell(w, node, entering) + case blackfriday.HTMLSpan: + // ignore other HTML tags + case blackfriday.HTMLBlock: + if bytes.HasPrefix(node.Literal, []byte("|" + processingInstruction = "[<][?].*?[?][>]" + singleQuotedValue = "'[^']*'" + tagName = "[A-Za-z][A-Za-z0-9-]*" + unquotedValue = "[^\"'=<>`\\x00-\\x20]+" +) + +// HTMLRendererParameters is a collection of supplementary parameters tweaking +// the behavior of various parts of HTML renderer. +type HTMLRendererParameters struct { + // Prepend this text to each relative URL. + AbsolutePrefix string + // Add this text to each footnote anchor, to ensure uniqueness. + FootnoteAnchorPrefix string + // Show this text inside the tag for a footnote return link, if the + // HTML_FOOTNOTE_RETURN_LINKS flag is enabled. If blank, the string + // [return] is used. + FootnoteReturnLinkContents string + // If set, add this text to the front of each Heading ID, to ensure + // uniqueness. + HeadingIDPrefix string + // If set, add this text to the back of each Heading ID, to ensure uniqueness. + HeadingIDSuffix string + // Increase heading levels: if the offset is 1,

becomes

etc. + // Negative offset is also valid. + // Resulting levels are clipped between 1 and 6. + HeadingLevelOffset int + + Title string // Document title (used if CompletePage is set) + CSS string // Optional CSS file URL (used if CompletePage is set) + Icon string // Optional icon file URL (used if CompletePage is set) + + Flags HTMLFlags // Flags allow customizing this renderer's behavior +} + +// HTMLRenderer is a type that implements the Renderer interface for HTML output. +// +// Do not create this directly, instead use the NewHTMLRenderer function. +type HTMLRenderer struct { + HTMLRendererParameters + + closeTag string // how to end singleton tags: either " />" or ">" + + // Track heading IDs to prevent ID collision in a single generation. + headingIDs map[string]int + + lastOutputLen int + disableTags int + + sr *SPRenderer +} + +const ( + xhtmlClose = " />" + htmlClose = ">" +) + +// NewHTMLRenderer creates and configures an HTMLRenderer object, which +// satisfies the Renderer interface. +func NewHTMLRenderer(params HTMLRendererParameters) *HTMLRenderer { + // configure the rendering engine + closeTag := htmlClose + if params.Flags&UseXHTML != 0 { + closeTag = xhtmlClose + } + + if params.FootnoteReturnLinkContents == "" { + // U+FE0E is VARIATION SELECTOR-15. + // It suppresses automatic emoji presentation of the preceding + // U+21A9 LEFTWARDS ARROW WITH HOOK on iOS and iPadOS. + params.FootnoteReturnLinkContents = "↩\ufe0e" + } + + return &HTMLRenderer{ + HTMLRendererParameters: params, + + closeTag: closeTag, + headingIDs: make(map[string]int), + + sr: NewSmartypantsRenderer(params.Flags), + } +} + +func isHTMLTag(tag []byte, tagname string) bool { + found, _ := findHTMLTagPos(tag, tagname) + return found +} + +// Look for a character, but ignore it when it's in any kind of quotes, it +// might be JavaScript +func skipUntilCharIgnoreQuotes(html []byte, start int, char byte) int { + inSingleQuote := false + inDoubleQuote := false + inGraveQuote := false + i := start + for i < len(html) { + switch { + case html[i] == char && !inSingleQuote && !inDoubleQuote && !inGraveQuote: + return i + case html[i] == '\'': + inSingleQuote = !inSingleQuote + case html[i] == '"': + inDoubleQuote = !inDoubleQuote + case html[i] == '`': + inGraveQuote = !inGraveQuote + } + i++ + } + return start +} + +func findHTMLTagPos(tag []byte, tagname string) (bool, int) { + i := 0 + if i < len(tag) && tag[0] != '<' { + return false, -1 + } + i++ + i = skipSpace(tag, i) + + if i < len(tag) && tag[i] == '/' { + i++ + } + + i = skipSpace(tag, i) + j := 0 + for ; i < len(tag); i, j = i+1, j+1 { + if j >= len(tagname) { + break + } + + if strings.ToLower(string(tag[i]))[0] != tagname[j] { + return false, -1 + } + } + + if i == len(tag) { + return false, -1 + } + + rightAngle := skipUntilCharIgnoreQuotes(tag, i, '>') + if rightAngle >= i { + return true, rightAngle + } + + return false, -1 +} + +func skipSpace(tag []byte, i int) int { + for i < len(tag) && isspace(tag[i]) { + i++ + } + return i +} + +func isRelativeLink(link []byte) (yes bool) { + // a tag begin with '#' + if link[0] == '#' { + return true + } + + // link begin with '/' but not '//', the second maybe a protocol relative link + if len(link) >= 2 && link[0] == '/' && link[1] != '/' { + return true + } + + // only the root '/' + if len(link) == 1 && link[0] == '/' { + return true + } + + // current directory : begin with "./" + if bytes.HasPrefix(link, []byte("./")) { + return true + } + + // parent directory : begin with "../" + if bytes.HasPrefix(link, []byte("../")) { + return true + } + + return false +} + +func (r *HTMLRenderer) ensureUniqueHeadingID(id string) string { + for count, found := r.headingIDs[id]; found; count, found = r.headingIDs[id] { + tmp := fmt.Sprintf("%s-%d", id, count+1) + + if _, tmpFound := r.headingIDs[tmp]; !tmpFound { + r.headingIDs[id] = count + 1 + id = tmp + } else { + id = id + "-1" + } + } + + if _, found := r.headingIDs[id]; !found { + r.headingIDs[id] = 0 + } + + return id +} + +func (r *HTMLRenderer) addAbsPrefix(link []byte) []byte { + if r.AbsolutePrefix != "" && isRelativeLink(link) && link[0] != '.' { + newDest := r.AbsolutePrefix + if link[0] != '/' { + newDest += "/" + } + newDest += string(link) + return []byte(newDest) + } + return link +} + +func appendLinkAttrs(attrs []string, flags HTMLFlags, link []byte) []string { + if isRelativeLink(link) { + return attrs + } + val := []string{} + if flags&NofollowLinks != 0 { + val = append(val, "nofollow") + } + if flags&NoreferrerLinks != 0 { + val = append(val, "noreferrer") + } + if flags&NoopenerLinks != 0 { + val = append(val, "noopener") + } + if flags&HrefTargetBlank != 0 { + attrs = append(attrs, "target=\"_blank\"") + } + if len(val) == 0 { + return attrs + } + attr := fmt.Sprintf("rel=%q", strings.Join(val, " ")) + return append(attrs, attr) +} + +func isMailto(link []byte) bool { + return bytes.HasPrefix(link, []byte("mailto:")) +} + +func needSkipLink(flags HTMLFlags, dest []byte) bool { + if flags&SkipLinks != 0 { + return true + } + return flags&Safelink != 0 && !isSafeLink(dest) && !isMailto(dest) +} + +func isSmartypantable(node *Node) bool { + pt := node.Parent.Type + return pt != Link && pt != CodeBlock && pt != Code +} + +func appendLanguageAttr(attrs []string, info []byte) []string { + if len(info) == 0 { + return attrs + } + endOfLang := bytes.IndexAny(info, "\t ") + if endOfLang < 0 { + endOfLang = len(info) + } + return append(attrs, fmt.Sprintf("class=\"language-%s\"", info[:endOfLang])) +} + +func (r *HTMLRenderer) tag(w io.Writer, name []byte, attrs []string) { + w.Write(name) + if len(attrs) > 0 { + w.Write(spaceBytes) + w.Write([]byte(strings.Join(attrs, " "))) + } + w.Write(gtBytes) + r.lastOutputLen = 1 +} + +func footnoteRef(prefix string, node *Node) []byte { + urlFrag := prefix + string(slugify(node.Destination)) + anchor := fmt.Sprintf(`%d`, urlFrag, node.NoteID) + return []byte(fmt.Sprintf(`%s`, urlFrag, anchor)) +} + +func footnoteItem(prefix string, slug []byte) []byte { + return []byte(fmt.Sprintf(`
  • `, prefix, slug)) +} + +func footnoteReturnLink(prefix, returnLink string, slug []byte) []byte { + const format = ` %s` + return []byte(fmt.Sprintf(format, prefix, slug, returnLink)) +} + +func itemOpenCR(node *Node) bool { + if node.Prev == nil { + return false + } + ld := node.Parent.ListData + return !ld.Tight && ld.ListFlags&ListTypeDefinition == 0 +} + +func skipParagraphTags(node *Node) bool { + grandparent := node.Parent.Parent + if grandparent == nil || grandparent.Type != List { + return false + } + tightOrTerm := grandparent.Tight || node.Parent.ListFlags&ListTypeTerm != 0 + return grandparent.Type == List && tightOrTerm +} + +func cellAlignment(align CellAlignFlags) string { + switch align { + case TableAlignmentLeft: + return "left" + case TableAlignmentRight: + return "right" + case TableAlignmentCenter: + return "center" + default: + return "" + } +} + +func (r *HTMLRenderer) out(w io.Writer, text []byte) { + if r.disableTags > 0 { + w.Write(htmlTagRe.ReplaceAll(text, []byte{})) + } else { + w.Write(text) + } + r.lastOutputLen = len(text) +} + +func (r *HTMLRenderer) cr(w io.Writer) { + if r.lastOutputLen > 0 { + r.out(w, nlBytes) + } +} + +var ( + nlBytes = []byte{'\n'} + gtBytes = []byte{'>'} + spaceBytes = []byte{' '} +) + +var ( + brTag = []byte("
    ") + brXHTMLTag = []byte("
    ") + emTag = []byte("") + emCloseTag = []byte("") + strongTag = []byte("") + strongCloseTag = []byte("") + delTag = []byte("") + delCloseTag = []byte("") + ttTag = []byte("") + ttCloseTag = []byte("") + aTag = []byte("") + preTag = []byte("
    ")
    +	preCloseTag        = []byte("
    ") + codeTag = []byte("") + codeCloseTag = []byte("") + pTag = []byte("

    ") + pCloseTag = []byte("

    ") + blockquoteTag = []byte("
    ") + blockquoteCloseTag = []byte("
    ") + hrTag = []byte("
    ") + hrXHTMLTag = []byte("
    ") + ulTag = []byte("
      ") + ulCloseTag = []byte("
    ") + olTag = []byte("
      ") + olCloseTag = []byte("
    ") + dlTag = []byte("
    ") + dlCloseTag = []byte("
    ") + liTag = []byte("
  • ") + liCloseTag = []byte("
  • ") + ddTag = []byte("
    ") + ddCloseTag = []byte("
    ") + dtTag = []byte("
    ") + dtCloseTag = []byte("
    ") + tableTag = []byte("") + tableCloseTag = []byte("
    ") + tdTag = []byte("") + thTag = []byte("") + theadTag = []byte("") + theadCloseTag = []byte("") + tbodyTag = []byte("") + tbodyCloseTag = []byte("") + trTag = []byte("") + trCloseTag = []byte("") + h1Tag = []byte("") + h2Tag = []byte("") + h3Tag = []byte("") + h4Tag = []byte("") + h5Tag = []byte("") + h6Tag = []byte("") + + footnotesDivBytes = []byte("\n
    \n\n") + footnotesCloseDivBytes = []byte("\n
    \n") +) + +func headingTagsFromLevel(level int) ([]byte, []byte) { + if level <= 1 { + return h1Tag, h1CloseTag + } + switch level { + case 2: + return h2Tag, h2CloseTag + case 3: + return h3Tag, h3CloseTag + case 4: + return h4Tag, h4CloseTag + case 5: + return h5Tag, h5CloseTag + } + return h6Tag, h6CloseTag +} + +func (r *HTMLRenderer) outHRTag(w io.Writer) { + if r.Flags&UseXHTML == 0 { + r.out(w, hrTag) + } else { + r.out(w, hrXHTMLTag) + } +} + +// RenderNode is a default renderer of a single node of a syntax tree. For +// block nodes it will be called twice: first time with entering=true, second +// time with entering=false, so that it could know when it's working on an open +// tag and when on close. It writes the result to w. +// +// The return value is a way to tell the calling walker to adjust its walk +// pattern: e.g. it can terminate the traversal by returning Terminate. Or it +// can ask the walker to skip a subtree of this node by returning SkipChildren. +// The typical behavior is to return GoToNext, which asks for the usual +// traversal to the next node. +func (r *HTMLRenderer) RenderNode(w io.Writer, node *Node, entering bool) WalkStatus { + attrs := []string{} + switch node.Type { + case Text: + if r.Flags&Smartypants != 0 { + var tmp bytes.Buffer + escapeHTML(&tmp, node.Literal) + r.sr.Process(w, tmp.Bytes()) + } else { + if node.Parent.Type == Link { + escLink(w, node.Literal) + } else { + escapeHTML(w, node.Literal) + } + } + case Softbreak: + r.cr(w) + // TODO: make it configurable via out(renderer.softbreak) + case Hardbreak: + if r.Flags&UseXHTML == 0 { + r.out(w, brTag) + } else { + r.out(w, brXHTMLTag) + } + r.cr(w) + case Emph: + if entering { + r.out(w, emTag) + } else { + r.out(w, emCloseTag) + } + case Strong: + if entering { + r.out(w, strongTag) + } else { + r.out(w, strongCloseTag) + } + case Del: + if entering { + r.out(w, delTag) + } else { + r.out(w, delCloseTag) + } + case HTMLSpan: + if r.Flags&SkipHTML != 0 { + break + } + r.out(w, node.Literal) + case Link: + // mark it but don't link it if it is not a safe link: no smartypants + dest := node.LinkData.Destination + if needSkipLink(r.Flags, dest) { + if entering { + r.out(w, ttTag) + } else { + r.out(w, ttCloseTag) + } + } else { + if entering { + dest = r.addAbsPrefix(dest) + var hrefBuf bytes.Buffer + hrefBuf.WriteString("href=\"") + escLink(&hrefBuf, dest) + hrefBuf.WriteByte('"') + attrs = append(attrs, hrefBuf.String()) + if node.NoteID != 0 { + r.out(w, footnoteRef(r.FootnoteAnchorPrefix, node)) + break + } + attrs = appendLinkAttrs(attrs, r.Flags, dest) + if len(node.LinkData.Title) > 0 { + var titleBuff bytes.Buffer + titleBuff.WriteString("title=\"") + escapeHTML(&titleBuff, node.LinkData.Title) + titleBuff.WriteByte('"') + attrs = append(attrs, titleBuff.String()) + } + r.tag(w, aTag, attrs) + } else { + if node.NoteID != 0 { + break + } + r.out(w, aCloseTag) + } + } + case Image: + if r.Flags&SkipImages != 0 { + return SkipChildren + } + if entering { + dest := node.LinkData.Destination + dest = r.addAbsPrefix(dest) + if r.disableTags == 0 { + //if options.safe && potentiallyUnsafe(dest) { + //out(w, ``)
+				//} else {
+				r.out(w, []byte(`<img src=`)) + } + } + case Code: + r.out(w, codeTag) + escapeAllHTML(w, node.Literal) + r.out(w, codeCloseTag) + case Document: + break + case Paragraph: + if skipParagraphTags(node) { + break + } + if entering { + // TODO: untangle this clusterfuck about when the newlines need + // to be added and when not. + if node.Prev != nil { + switch node.Prev.Type { + case HTMLBlock, List, Paragraph, Heading, CodeBlock, BlockQuote, HorizontalRule: + r.cr(w) + } + } + if node.Parent.Type == BlockQuote && node.Prev == nil { + r.cr(w) + } + r.out(w, pTag) + } else { + r.out(w, pCloseTag) + if !(node.Parent.Type == Item && node.Next == nil) { + r.cr(w) + } + } + case BlockQuote: + if entering { + r.cr(w) + r.out(w, blockquoteTag) + } else { + r.out(w, blockquoteCloseTag) + r.cr(w) + } + case HTMLBlock: + if r.Flags&SkipHTML != 0 { + break + } + r.cr(w) + r.out(w, node.Literal) + r.cr(w) + case Heading: + headingLevel := r.HTMLRendererParameters.HeadingLevelOffset + node.Level + openTag, closeTag := headingTagsFromLevel(headingLevel) + if entering { + if node.IsTitleblock { + attrs = append(attrs, `class="title"`) + } + if node.HeadingID != "" { + id := r.ensureUniqueHeadingID(node.HeadingID) + if r.HeadingIDPrefix != "" { + id = r.HeadingIDPrefix + id + } + if r.HeadingIDSuffix != "" { + id = id + r.HeadingIDSuffix + } + attrs = append(attrs, fmt.Sprintf(`id="%s"`, id)) + } + r.cr(w) + r.tag(w, openTag, attrs) + } else { + r.out(w, closeTag) + if !(node.Parent.Type == Item && node.Next == nil) { + r.cr(w) + } + } + case HorizontalRule: + r.cr(w) + r.outHRTag(w) + r.cr(w) + case List: + openTag := ulTag + closeTag := ulCloseTag + if node.ListFlags&ListTypeOrdered != 0 { + openTag = olTag + closeTag = olCloseTag + } + if node.ListFlags&ListTypeDefinition != 0 { + openTag = dlTag + closeTag = dlCloseTag + } + if entering { + if node.IsFootnotesList { + r.out(w, footnotesDivBytes) + r.outHRTag(w) + r.cr(w) + } + r.cr(w) + if node.Parent.Type == Item && node.Parent.Parent.Tight { + r.cr(w) + } + r.tag(w, openTag[:len(openTag)-1], attrs) + r.cr(w) + } else { + r.out(w, closeTag) + //cr(w) + //if node.parent.Type != Item { + // cr(w) + //} + if node.Parent.Type == Item && node.Next != nil { + r.cr(w) + } + if node.Parent.Type == Document || node.Parent.Type == BlockQuote { + r.cr(w) + } + if node.IsFootnotesList { + r.out(w, footnotesCloseDivBytes) + } + } + case Item: + openTag := liTag + closeTag := liCloseTag + if node.ListFlags&ListTypeDefinition != 0 { + openTag = ddTag + closeTag = ddCloseTag + } + if node.ListFlags&ListTypeTerm != 0 { + openTag = dtTag + closeTag = dtCloseTag + } + if entering { + if itemOpenCR(node) { + r.cr(w) + } + if node.ListData.RefLink != nil { + slug := slugify(node.ListData.RefLink) + r.out(w, footnoteItem(r.FootnoteAnchorPrefix, slug)) + break + } + r.out(w, openTag) + } else { + if node.ListData.RefLink != nil { + slug := slugify(node.ListData.RefLink) + if r.Flags&FootnoteReturnLinks != 0 { + r.out(w, footnoteReturnLink(r.FootnoteAnchorPrefix, r.FootnoteReturnLinkContents, slug)) + } + } + r.out(w, closeTag) + r.cr(w) + } + case CodeBlock: + attrs = appendLanguageAttr(attrs, node.Info) + r.cr(w) + r.out(w, preTag) + r.tag(w, codeTag[:len(codeTag)-1], attrs) + escapeAllHTML(w, node.Literal) + r.out(w, codeCloseTag) + r.out(w, preCloseTag) + if node.Parent.Type != Item { + r.cr(w) + } + case Table: + if entering { + r.cr(w) + r.out(w, tableTag) + } else { + r.out(w, tableCloseTag) + r.cr(w) + } + case TableCell: + openTag := tdTag + closeTag := tdCloseTag + if node.IsHeader { + openTag = thTag + closeTag = thCloseTag + } + if entering { + align := cellAlignment(node.Align) + if align != "" { + attrs = append(attrs, fmt.Sprintf(`align="%s"`, align)) + } + if node.Prev == nil { + r.cr(w) + } + r.tag(w, openTag, attrs) + } else { + r.out(w, closeTag) + r.cr(w) + } + case TableHead: + if entering { + r.cr(w) + r.out(w, theadTag) + } else { + r.out(w, theadCloseTag) + r.cr(w) + } + case TableBody: + if entering { + r.cr(w) + r.out(w, tbodyTag) + // XXX: this is to adhere to a rather silly test. Should fix test. + if node.FirstChild == nil { + r.cr(w) + } + } else { + r.out(w, tbodyCloseTag) + r.cr(w) + } + case TableRow: + if entering { + r.cr(w) + r.out(w, trTag) + } else { + r.out(w, trCloseTag) + r.cr(w) + } + default: + panic("Unknown node type " + node.Type.String()) + } + return GoToNext +} + +// RenderHeader writes HTML document preamble and TOC if requested. +func (r *HTMLRenderer) RenderHeader(w io.Writer, ast *Node) { + r.writeDocumentHeader(w) + if r.Flags&TOC != 0 { + r.writeTOC(w, ast) + } +} + +// RenderFooter writes HTML document footer. +func (r *HTMLRenderer) RenderFooter(w io.Writer, ast *Node) { + if r.Flags&CompletePage == 0 { + return + } + io.WriteString(w, "\n\n\n") +} + +func (r *HTMLRenderer) writeDocumentHeader(w io.Writer) { + if r.Flags&CompletePage == 0 { + return + } + ending := "" + if r.Flags&UseXHTML != 0 { + io.WriteString(w, "\n") + io.WriteString(w, "\n") + ending = " /" + } else { + io.WriteString(w, "\n") + io.WriteString(w, "\n") + } + io.WriteString(w, "\n") + io.WriteString(w, " ") + if r.Flags&Smartypants != 0 { + r.sr.Process(w, []byte(r.Title)) + } else { + escapeHTML(w, []byte(r.Title)) + } + io.WriteString(w, "\n") + io.WriteString(w, " \n") + io.WriteString(w, " \n") + if r.CSS != "" { + io.WriteString(w, " \n") + } + if r.Icon != "" { + io.WriteString(w, " \n") + } + io.WriteString(w, "\n") + io.WriteString(w, "\n\n") +} + +func (r *HTMLRenderer) writeTOC(w io.Writer, ast *Node) { + buf := bytes.Buffer{} + + inHeading := false + tocLevel := 0 + headingCount := 0 + + ast.Walk(func(node *Node, entering bool) WalkStatus { + if node.Type == Heading && !node.HeadingData.IsTitleblock { + inHeading = entering + if entering { + node.HeadingID = fmt.Sprintf("toc_%d", headingCount) + if node.Level == tocLevel { + buf.WriteString("\n\n
  • ") + } else if node.Level < tocLevel { + for node.Level < tocLevel { + tocLevel-- + buf.WriteString("
  • \n") + } + buf.WriteString("\n\n
  • ") + } else { + for node.Level > tocLevel { + tocLevel++ + buf.WriteString("\n") + } + + if buf.Len() > 0 { + io.WriteString(w, "\n") + } + r.lastOutputLen = buf.Len() +} diff --git a/vendor/github.com/russross/blackfriday/v2/inline.go b/vendor/github.com/russross/blackfriday/v2/inline.go new file mode 100644 index 000000000..d45bd9417 --- /dev/null +++ b/vendor/github.com/russross/blackfriday/v2/inline.go @@ -0,0 +1,1228 @@ +// +// Blackfriday Markdown Processor +// Available at http://github.com/russross/blackfriday +// +// Copyright © 2011 Russ Ross . +// Distributed under the Simplified BSD License. +// See README.md for details. +// + +// +// Functions to parse inline elements. +// + +package blackfriday + +import ( + "bytes" + "regexp" + "strconv" +) + +var ( + urlRe = `((https?|ftp):\/\/|\/)[-A-Za-z0-9+&@#\/%?=~_|!:,.;\(\)]+` + anchorRe = regexp.MustCompile(`^(]+")?\s?>` + urlRe + `<\/a>)`) + + // https://www.w3.org/TR/html5/syntax.html#character-references + // highest unicode code point in 17 planes (2^20): 1,114,112d = + // 7 dec digits or 6 hex digits + // named entity references can be 2-31 characters with stuff like < + // at one end and ∳ at the other. There + // are also sometimes numbers at the end, although this isn't inherent + // in the specification; there are never numbers anywhere else in + // current character references, though; see ¾ and ▒, etc. + // https://www.w3.org/TR/html5/syntax.html#named-character-references + // + // entity := "&" (named group | number ref) ";" + // named group := [a-zA-Z]{2,31}[0-9]{0,2} + // number ref := "#" (dec ref | hex ref) + // dec ref := [0-9]{1,7} + // hex ref := ("x" | "X") [0-9a-fA-F]{1,6} + htmlEntityRe = regexp.MustCompile(`&([a-zA-Z]{2,31}[0-9]{0,2}|#([0-9]{1,7}|[xX][0-9a-fA-F]{1,6}));`) +) + +// Functions to parse text within a block +// Each function returns the number of chars taken care of +// data is the complete block being rendered +// offset is the number of valid chars before the current cursor + +func (p *Markdown) inline(currBlock *Node, data []byte) { + // handlers might call us recursively: enforce a maximum depth + if p.nesting >= p.maxNesting || len(data) == 0 { + return + } + p.nesting++ + beg, end := 0, 0 + for end < len(data) { + handler := p.inlineCallback[data[end]] + if handler != nil { + if consumed, node := handler(p, data, end); consumed == 0 { + // No action from the callback. + end++ + } else { + // Copy inactive chars into the output. + currBlock.AppendChild(text(data[beg:end])) + if node != nil { + currBlock.AppendChild(node) + } + // Skip past whatever the callback used. + beg = end + consumed + end = beg + } + } else { + end++ + } + } + if beg < len(data) { + if data[end-1] == '\n' { + end-- + } + currBlock.AppendChild(text(data[beg:end])) + } + p.nesting-- +} + +// single and double emphasis parsing +func emphasis(p *Markdown, data []byte, offset int) (int, *Node) { + data = data[offset:] + c := data[0] + + if len(data) > 2 && data[1] != c { + // whitespace cannot follow an opening emphasis; + // strikethrough only takes two characters '~~' + if c == '~' || isspace(data[1]) { + return 0, nil + } + ret, node := helperEmphasis(p, data[1:], c) + if ret == 0 { + return 0, nil + } + + return ret + 1, node + } + + if len(data) > 3 && data[1] == c && data[2] != c { + if isspace(data[2]) { + return 0, nil + } + ret, node := helperDoubleEmphasis(p, data[2:], c) + if ret == 0 { + return 0, nil + } + + return ret + 2, node + } + + if len(data) > 4 && data[1] == c && data[2] == c && data[3] != c { + if c == '~' || isspace(data[3]) { + return 0, nil + } + ret, node := helperTripleEmphasis(p, data, 3, c) + if ret == 0 { + return 0, nil + } + + return ret + 3, node + } + + return 0, nil +} + +func codeSpan(p *Markdown, data []byte, offset int) (int, *Node) { + data = data[offset:] + + nb := 0 + + // count the number of backticks in the delimiter + for nb < len(data) && data[nb] == '`' { + nb++ + } + + // find the next delimiter + i, end := 0, 0 + for end = nb; end < len(data) && i < nb; end++ { + if data[end] == '`' { + i++ + } else { + i = 0 + } + } + + // no matching delimiter? + if i < nb && end >= len(data) { + return 0, nil + } + + // trim outside whitespace + fBegin := nb + for fBegin < end && data[fBegin] == ' ' { + fBegin++ + } + + fEnd := end - nb + for fEnd > fBegin && data[fEnd-1] == ' ' { + fEnd-- + } + + // render the code span + if fBegin != fEnd { + code := NewNode(Code) + code.Literal = data[fBegin:fEnd] + return end, code + } + + return end, nil +} + +// newline preceded by two spaces becomes
    +func maybeLineBreak(p *Markdown, data []byte, offset int) (int, *Node) { + origOffset := offset + for offset < len(data) && data[offset] == ' ' { + offset++ + } + + if offset < len(data) && data[offset] == '\n' { + if offset-origOffset >= 2 { + return offset - origOffset + 1, NewNode(Hardbreak) + } + return offset - origOffset, nil + } + return 0, nil +} + +// newline without two spaces works when HardLineBreak is enabled +func lineBreak(p *Markdown, data []byte, offset int) (int, *Node) { + if p.extensions&HardLineBreak != 0 { + return 1, NewNode(Hardbreak) + } + return 0, nil +} + +type linkType int + +const ( + linkNormal linkType = iota + linkImg + linkDeferredFootnote + linkInlineFootnote +) + +func isReferenceStyleLink(data []byte, pos int, t linkType) bool { + if t == linkDeferredFootnote { + return false + } + return pos < len(data)-1 && data[pos] == '[' && data[pos+1] != '^' +} + +func maybeImage(p *Markdown, data []byte, offset int) (int, *Node) { + if offset < len(data)-1 && data[offset+1] == '[' { + return link(p, data, offset) + } + return 0, nil +} + +func maybeInlineFootnote(p *Markdown, data []byte, offset int) (int, *Node) { + if offset < len(data)-1 && data[offset+1] == '[' { + return link(p, data, offset) + } + return 0, nil +} + +// '[': parse a link or an image or a footnote +func link(p *Markdown, data []byte, offset int) (int, *Node) { + // no links allowed inside regular links, footnote, and deferred footnotes + if p.insideLink && (offset > 0 && data[offset-1] == '[' || len(data)-1 > offset && data[offset+1] == '^') { + return 0, nil + } + + var t linkType + switch { + // special case: ![^text] == deferred footnote (that follows something with + // an exclamation point) + case p.extensions&Footnotes != 0 && len(data)-1 > offset && data[offset+1] == '^': + t = linkDeferredFootnote + // ![alt] == image + case offset >= 0 && data[offset] == '!': + t = linkImg + offset++ + // ^[text] == inline footnote + // [^refId] == deferred footnote + case p.extensions&Footnotes != 0: + if offset >= 0 && data[offset] == '^' { + t = linkInlineFootnote + offset++ + } else if len(data)-1 > offset && data[offset+1] == '^' { + t = linkDeferredFootnote + } + // [text] == regular link + default: + t = linkNormal + } + + data = data[offset:] + + var ( + i = 1 + noteID int + title, link, altContent []byte + textHasNl = false + ) + + if t == linkDeferredFootnote { + i++ + } + + // look for the matching closing bracket + for level := 1; level > 0 && i < len(data); i++ { + switch { + case data[i] == '\n': + textHasNl = true + + case isBackslashEscaped(data, i): + continue + + case data[i] == '[': + level++ + + case data[i] == ']': + level-- + if level <= 0 { + i-- // compensate for extra i++ in for loop + } + } + } + + if i >= len(data) { + return 0, nil + } + + txtE := i + i++ + var footnoteNode *Node + + // skip any amount of whitespace or newline + // (this is much more lax than original markdown syntax) + for i < len(data) && isspace(data[i]) { + i++ + } + + // inline style link + switch { + case i < len(data) && data[i] == '(': + // skip initial whitespace + i++ + + for i < len(data) && isspace(data[i]) { + i++ + } + + linkB := i + + // look for link end: ' " ) + findlinkend: + for i < len(data) { + switch { + case data[i] == '\\': + i += 2 + + case data[i] == ')' || data[i] == '\'' || data[i] == '"': + break findlinkend + + default: + i++ + } + } + + if i >= len(data) { + return 0, nil + } + linkE := i + + // look for title end if present + titleB, titleE := 0, 0 + if data[i] == '\'' || data[i] == '"' { + i++ + titleB = i + + findtitleend: + for i < len(data) { + switch { + case data[i] == '\\': + i += 2 + + case data[i] == ')': + break findtitleend + + default: + i++ + } + } + + if i >= len(data) { + return 0, nil + } + + // skip whitespace after title + titleE = i - 1 + for titleE > titleB && isspace(data[titleE]) { + titleE-- + } + + // check for closing quote presence + if data[titleE] != '\'' && data[titleE] != '"' { + titleB, titleE = 0, 0 + linkE = i + } + } + + // remove whitespace at the end of the link + for linkE > linkB && isspace(data[linkE-1]) { + linkE-- + } + + // remove optional angle brackets around the link + if data[linkB] == '<' { + linkB++ + } + if data[linkE-1] == '>' { + linkE-- + } + + // build escaped link and title + if linkE > linkB { + link = data[linkB:linkE] + } + + if titleE > titleB { + title = data[titleB:titleE] + } + + i++ + + // reference style link + case isReferenceStyleLink(data, i, t): + var id []byte + altContentConsidered := false + + // look for the id + i++ + linkB := i + for i < len(data) && data[i] != ']' { + i++ + } + if i >= len(data) { + return 0, nil + } + linkE := i + + // find the reference + if linkB == linkE { + if textHasNl { + var b bytes.Buffer + + for j := 1; j < txtE; j++ { + switch { + case data[j] != '\n': + b.WriteByte(data[j]) + case data[j-1] != ' ': + b.WriteByte(' ') + } + } + + id = b.Bytes() + } else { + id = data[1:txtE] + altContentConsidered = true + } + } else { + id = data[linkB:linkE] + } + + // find the reference with matching id + lr, ok := p.getRef(string(id)) + if !ok { + return 0, nil + } + + // keep link and title from reference + link = lr.link + title = lr.title + if altContentConsidered { + altContent = lr.text + } + i++ + + // shortcut reference style link or reference or inline footnote + default: + var id []byte + + // craft the id + if textHasNl { + var b bytes.Buffer + + for j := 1; j < txtE; j++ { + switch { + case data[j] != '\n': + b.WriteByte(data[j]) + case data[j-1] != ' ': + b.WriteByte(' ') + } + } + + id = b.Bytes() + } else { + if t == linkDeferredFootnote { + id = data[2:txtE] // get rid of the ^ + } else { + id = data[1:txtE] + } + } + + footnoteNode = NewNode(Item) + if t == linkInlineFootnote { + // create a new reference + noteID = len(p.notes) + 1 + + var fragment []byte + if len(id) > 0 { + if len(id) < 16 { + fragment = make([]byte, len(id)) + } else { + fragment = make([]byte, 16) + } + copy(fragment, slugify(id)) + } else { + fragment = append([]byte("footnote-"), []byte(strconv.Itoa(noteID))...) + } + + ref := &reference{ + noteID: noteID, + hasBlock: false, + link: fragment, + title: id, + footnote: footnoteNode, + } + + p.notes = append(p.notes, ref) + + link = ref.link + title = ref.title + } else { + // find the reference with matching id + lr, ok := p.getRef(string(id)) + if !ok { + return 0, nil + } + + if t == linkDeferredFootnote { + lr.noteID = len(p.notes) + 1 + lr.footnote = footnoteNode + p.notes = append(p.notes, lr) + } + + // keep link and title from reference + link = lr.link + // if inline footnote, title == footnote contents + title = lr.title + noteID = lr.noteID + } + + // rewind the whitespace + i = txtE + 1 + } + + var uLink []byte + if t == linkNormal || t == linkImg { + if len(link) > 0 { + var uLinkBuf bytes.Buffer + unescapeText(&uLinkBuf, link) + uLink = uLinkBuf.Bytes() + } + + // links need something to click on and somewhere to go + if len(uLink) == 0 || (t == linkNormal && txtE <= 1) { + return 0, nil + } + } + + // call the relevant rendering function + var linkNode *Node + switch t { + case linkNormal: + linkNode = NewNode(Link) + linkNode.Destination = normalizeURI(uLink) + linkNode.Title = title + if len(altContent) > 0 { + linkNode.AppendChild(text(altContent)) + } else { + // links cannot contain other links, so turn off link parsing + // temporarily and recurse + insideLink := p.insideLink + p.insideLink = true + p.inline(linkNode, data[1:txtE]) + p.insideLink = insideLink + } + + case linkImg: + linkNode = NewNode(Image) + linkNode.Destination = uLink + linkNode.Title = title + linkNode.AppendChild(text(data[1:txtE])) + i++ + + case linkInlineFootnote, linkDeferredFootnote: + linkNode = NewNode(Link) + linkNode.Destination = link + linkNode.Title = title + linkNode.NoteID = noteID + linkNode.Footnote = footnoteNode + if t == linkInlineFootnote { + i++ + } + + default: + return 0, nil + } + + return i, linkNode +} + +func (p *Markdown) inlineHTMLComment(data []byte) int { + if len(data) < 5 { + return 0 + } + if data[0] != '<' || data[1] != '!' || data[2] != '-' || data[3] != '-' { + return 0 + } + i := 5 + // scan for an end-of-comment marker, across lines if necessary + for i < len(data) && !(data[i-2] == '-' && data[i-1] == '-' && data[i] == '>') { + i++ + } + // no end-of-comment marker + if i >= len(data) { + return 0 + } + return i + 1 +} + +func stripMailto(link []byte) []byte { + if bytes.HasPrefix(link, []byte("mailto://")) { + return link[9:] + } else if bytes.HasPrefix(link, []byte("mailto:")) { + return link[7:] + } else { + return link + } +} + +// autolinkType specifies a kind of autolink that gets detected. +type autolinkType int + +// These are the possible flag values for the autolink renderer. +const ( + notAutolink autolinkType = iota + normalAutolink + emailAutolink +) + +// '<' when tags or autolinks are allowed +func leftAngle(p *Markdown, data []byte, offset int) (int, *Node) { + data = data[offset:] + altype, end := tagLength(data) + if size := p.inlineHTMLComment(data); size > 0 { + end = size + } + if end > 2 { + if altype != notAutolink { + var uLink bytes.Buffer + unescapeText(&uLink, data[1:end+1-2]) + if uLink.Len() > 0 { + link := uLink.Bytes() + node := NewNode(Link) + node.Destination = link + if altype == emailAutolink { + node.Destination = append([]byte("mailto:"), link...) + } + node.AppendChild(text(stripMailto(link))) + return end, node + } + } else { + htmlTag := NewNode(HTMLSpan) + htmlTag.Literal = data[:end] + return end, htmlTag + } + } + + return end, nil +} + +// '\\' backslash escape +var escapeChars = []byte("\\`*_{}[]()#+-.!:|&<>~") + +func escape(p *Markdown, data []byte, offset int) (int, *Node) { + data = data[offset:] + + if len(data) > 1 { + if p.extensions&BackslashLineBreak != 0 && data[1] == '\n' { + return 2, NewNode(Hardbreak) + } + if bytes.IndexByte(escapeChars, data[1]) < 0 { + return 0, nil + } + + return 2, text(data[1:2]) + } + + return 2, nil +} + +func unescapeText(ob *bytes.Buffer, src []byte) { + i := 0 + for i < len(src) { + org := i + for i < len(src) && src[i] != '\\' { + i++ + } + + if i > org { + ob.Write(src[org:i]) + } + + if i+1 >= len(src) { + break + } + + ob.WriteByte(src[i+1]) + i += 2 + } +} + +// '&' escaped when it doesn't belong to an entity +// valid entities are assumed to be anything matching &#?[A-Za-z0-9]+; +func entity(p *Markdown, data []byte, offset int) (int, *Node) { + data = data[offset:] + + end := 1 + + if end < len(data) && data[end] == '#' { + end++ + } + + for end < len(data) && isalnum(data[end]) { + end++ + } + + if end < len(data) && data[end] == ';' { + end++ // real entity + } else { + return 0, nil // lone '&' + } + + ent := data[:end] + // undo & escaping or it will be converted to &amp; by another + // escaper in the renderer + if bytes.Equal(ent, []byte("&")) { + ent = []byte{'&'} + } + + return end, text(ent) +} + +func linkEndsWithEntity(data []byte, linkEnd int) bool { + entityRanges := htmlEntityRe.FindAllIndex(data[:linkEnd], -1) + return entityRanges != nil && entityRanges[len(entityRanges)-1][1] == linkEnd +} + +// hasPrefixCaseInsensitive is a custom implementation of +// strings.HasPrefix(strings.ToLower(s), prefix) +// we rolled our own because ToLower pulls in a huge machinery of lowercasing +// anything from Unicode and that's very slow. Since this func will only be +// used on ASCII protocol prefixes, we can take shortcuts. +func hasPrefixCaseInsensitive(s, prefix []byte) bool { + if len(s) < len(prefix) { + return false + } + delta := byte('a' - 'A') + for i, b := range prefix { + if b != s[i] && b != s[i]+delta { + return false + } + } + return true +} + +var protocolPrefixes = [][]byte{ + []byte("http://"), + []byte("https://"), + []byte("ftp://"), + []byte("file://"), + []byte("mailto:"), +} + +const shortestPrefix = 6 // len("ftp://"), the shortest of the above + +func maybeAutoLink(p *Markdown, data []byte, offset int) (int, *Node) { + // quick check to rule out most false hits + if p.insideLink || len(data) < offset+shortestPrefix { + return 0, nil + } + for _, prefix := range protocolPrefixes { + endOfHead := offset + 8 // 8 is the len() of the longest prefix + if endOfHead > len(data) { + endOfHead = len(data) + } + if hasPrefixCaseInsensitive(data[offset:endOfHead], prefix) { + return autoLink(p, data, offset) + } + } + return 0, nil +} + +func autoLink(p *Markdown, data []byte, offset int) (int, *Node) { + // Now a more expensive check to see if we're not inside an anchor element + anchorStart := offset + offsetFromAnchor := 0 + for anchorStart > 0 && data[anchorStart] != '<' { + anchorStart-- + offsetFromAnchor++ + } + + anchorStr := anchorRe.Find(data[anchorStart:]) + if anchorStr != nil { + anchorClose := NewNode(HTMLSpan) + anchorClose.Literal = anchorStr[offsetFromAnchor:] + return len(anchorStr) - offsetFromAnchor, anchorClose + } + + // scan backward for a word boundary + rewind := 0 + for offset-rewind > 0 && rewind <= 7 && isletter(data[offset-rewind-1]) { + rewind++ + } + if rewind > 6 { // longest supported protocol is "mailto" which has 6 letters + return 0, nil + } + + origData := data + data = data[offset-rewind:] + + if !isSafeLink(data) { + return 0, nil + } + + linkEnd := 0 + for linkEnd < len(data) && !isEndOfLink(data[linkEnd]) { + linkEnd++ + } + + // Skip punctuation at the end of the link + if (data[linkEnd-1] == '.' || data[linkEnd-1] == ',') && data[linkEnd-2] != '\\' { + linkEnd-- + } + + // But don't skip semicolon if it's a part of escaped entity: + if data[linkEnd-1] == ';' && data[linkEnd-2] != '\\' && !linkEndsWithEntity(data, linkEnd) { + linkEnd-- + } + + // See if the link finishes with a punctuation sign that can be closed. + var copen byte + switch data[linkEnd-1] { + case '"': + copen = '"' + case '\'': + copen = '\'' + case ')': + copen = '(' + case ']': + copen = '[' + case '}': + copen = '{' + default: + copen = 0 + } + + if copen != 0 { + bufEnd := offset - rewind + linkEnd - 2 + + openDelim := 1 + + /* Try to close the final punctuation sign in this same line; + * if we managed to close it outside of the URL, that means that it's + * not part of the URL. If it closes inside the URL, that means it + * is part of the URL. + * + * Examples: + * + * foo http://www.pokemon.com/Pikachu_(Electric) bar + * => http://www.pokemon.com/Pikachu_(Electric) + * + * foo (http://www.pokemon.com/Pikachu_(Electric)) bar + * => http://www.pokemon.com/Pikachu_(Electric) + * + * foo http://www.pokemon.com/Pikachu_(Electric)) bar + * => http://www.pokemon.com/Pikachu_(Electric)) + * + * (foo http://www.pokemon.com/Pikachu_(Electric)) bar + * => foo http://www.pokemon.com/Pikachu_(Electric) + */ + + for bufEnd >= 0 && origData[bufEnd] != '\n' && openDelim != 0 { + if origData[bufEnd] == data[linkEnd-1] { + openDelim++ + } + + if origData[bufEnd] == copen { + openDelim-- + } + + bufEnd-- + } + + if openDelim == 0 { + linkEnd-- + } + } + + var uLink bytes.Buffer + unescapeText(&uLink, data[:linkEnd]) + + if uLink.Len() > 0 { + node := NewNode(Link) + node.Destination = uLink.Bytes() + node.AppendChild(text(uLink.Bytes())) + return linkEnd, node + } + + return linkEnd, nil +} + +func isEndOfLink(char byte) bool { + return isspace(char) || char == '<' +} + +var validUris = [][]byte{[]byte("http://"), []byte("https://"), []byte("ftp://"), []byte("mailto://")} +var validPaths = [][]byte{[]byte("/"), []byte("./"), []byte("../")} + +func isSafeLink(link []byte) bool { + for _, path := range validPaths { + if len(link) >= len(path) && bytes.Equal(link[:len(path)], path) { + if len(link) == len(path) { + return true + } else if isalnum(link[len(path)]) { + return true + } + } + } + + for _, prefix := range validUris { + // TODO: handle unicode here + // case-insensitive prefix test + if len(link) > len(prefix) && bytes.Equal(bytes.ToLower(link[:len(prefix)]), prefix) && isalnum(link[len(prefix)]) { + return true + } + } + + return false +} + +// return the length of the given tag, or 0 is it's not valid +func tagLength(data []byte) (autolink autolinkType, end int) { + var i, j int + + // a valid tag can't be shorter than 3 chars + if len(data) < 3 { + return notAutolink, 0 + } + + // begins with a '<' optionally followed by '/', followed by letter or number + if data[0] != '<' { + return notAutolink, 0 + } + if data[1] == '/' { + i = 2 + } else { + i = 1 + } + + if !isalnum(data[i]) { + return notAutolink, 0 + } + + // scheme test + autolink = notAutolink + + // try to find the beginning of an URI + for i < len(data) && (isalnum(data[i]) || data[i] == '.' || data[i] == '+' || data[i] == '-') { + i++ + } + + if i > 1 && i < len(data) && data[i] == '@' { + if j = isMailtoAutoLink(data[i:]); j != 0 { + return emailAutolink, i + j + } + } + + if i > 2 && i < len(data) && data[i] == ':' { + autolink = normalAutolink + i++ + } + + // complete autolink test: no whitespace or ' or " + switch { + case i >= len(data): + autolink = notAutolink + case autolink != notAutolink: + j = i + + for i < len(data) { + if data[i] == '\\' { + i += 2 + } else if data[i] == '>' || data[i] == '\'' || data[i] == '"' || isspace(data[i]) { + break + } else { + i++ + } + + } + + if i >= len(data) { + return autolink, 0 + } + if i > j && data[i] == '>' { + return autolink, i + 1 + } + + // one of the forbidden chars has been found + autolink = notAutolink + } + i += bytes.IndexByte(data[i:], '>') + if i < 0 { + return autolink, 0 + } + return autolink, i + 1 +} + +// look for the address part of a mail autolink and '>' +// this is less strict than the original markdown e-mail address matching +func isMailtoAutoLink(data []byte) int { + nb := 0 + + // address is assumed to be: [-@._a-zA-Z0-9]+ with exactly one '@' + for i := 0; i < len(data); i++ { + if isalnum(data[i]) { + continue + } + + switch data[i] { + case '@': + nb++ + + case '-', '.', '_': + break + + case '>': + if nb == 1 { + return i + 1 + } + return 0 + default: + return 0 + } + } + + return 0 +} + +// look for the next emph char, skipping other constructs +func helperFindEmphChar(data []byte, c byte) int { + i := 0 + + for i < len(data) { + for i < len(data) && data[i] != c && data[i] != '`' && data[i] != '[' { + i++ + } + if i >= len(data) { + return 0 + } + // do not count escaped chars + if i != 0 && data[i-1] == '\\' { + i++ + continue + } + if data[i] == c { + return i + } + + if data[i] == '`' { + // skip a code span + tmpI := 0 + i++ + for i < len(data) && data[i] != '`' { + if tmpI == 0 && data[i] == c { + tmpI = i + } + i++ + } + if i >= len(data) { + return tmpI + } + i++ + } else if data[i] == '[' { + // skip a link + tmpI := 0 + i++ + for i < len(data) && data[i] != ']' { + if tmpI == 0 && data[i] == c { + tmpI = i + } + i++ + } + i++ + for i < len(data) && (data[i] == ' ' || data[i] == '\n') { + i++ + } + if i >= len(data) { + return tmpI + } + if data[i] != '[' && data[i] != '(' { // not a link + if tmpI > 0 { + return tmpI + } + continue + } + cc := data[i] + i++ + for i < len(data) && data[i] != cc { + if tmpI == 0 && data[i] == c { + return i + } + i++ + } + if i >= len(data) { + return tmpI + } + i++ + } + } + return 0 +} + +func helperEmphasis(p *Markdown, data []byte, c byte) (int, *Node) { + i := 0 + + // skip one symbol if coming from emph3 + if len(data) > 1 && data[0] == c && data[1] == c { + i = 1 + } + + for i < len(data) { + length := helperFindEmphChar(data[i:], c) + if length == 0 { + return 0, nil + } + i += length + if i >= len(data) { + return 0, nil + } + + if i+1 < len(data) && data[i+1] == c { + i++ + continue + } + + if data[i] == c && !isspace(data[i-1]) { + + if p.extensions&NoIntraEmphasis != 0 { + if !(i+1 == len(data) || isspace(data[i+1]) || ispunct(data[i+1])) { + continue + } + } + + emph := NewNode(Emph) + p.inline(emph, data[:i]) + return i + 1, emph + } + } + + return 0, nil +} + +func helperDoubleEmphasis(p *Markdown, data []byte, c byte) (int, *Node) { + i := 0 + + for i < len(data) { + length := helperFindEmphChar(data[i:], c) + if length == 0 { + return 0, nil + } + i += length + + if i+1 < len(data) && data[i] == c && data[i+1] == c && i > 0 && !isspace(data[i-1]) { + nodeType := Strong + if c == '~' { + nodeType = Del + } + node := NewNode(nodeType) + p.inline(node, data[:i]) + return i + 2, node + } + i++ + } + return 0, nil +} + +func helperTripleEmphasis(p *Markdown, data []byte, offset int, c byte) (int, *Node) { + i := 0 + origData := data + data = data[offset:] + + for i < len(data) { + length := helperFindEmphChar(data[i:], c) + if length == 0 { + return 0, nil + } + i += length + + // skip whitespace preceded symbols + if data[i] != c || isspace(data[i-1]) { + continue + } + + switch { + case i+2 < len(data) && data[i+1] == c && data[i+2] == c: + // triple symbol found + strong := NewNode(Strong) + em := NewNode(Emph) + strong.AppendChild(em) + p.inline(em, data[:i]) + return i + 3, strong + case (i+1 < len(data) && data[i+1] == c): + // double symbol found, hand over to emph1 + length, node := helperEmphasis(p, origData[offset-2:], c) + if length == 0 { + return 0, nil + } + return length - 2, node + default: + // single symbol found, hand over to emph2 + length, node := helperDoubleEmphasis(p, origData[offset-1:], c) + if length == 0 { + return 0, nil + } + return length - 1, node + } + } + return 0, nil +} + +func text(s []byte) *Node { + node := NewNode(Text) + node.Literal = s + return node +} + +func normalizeURI(s []byte) []byte { + return s // TODO: implement +} diff --git a/vendor/github.com/russross/blackfriday/v2/markdown.go b/vendor/github.com/russross/blackfriday/v2/markdown.go new file mode 100644 index 000000000..58d2e4538 --- /dev/null +++ b/vendor/github.com/russross/blackfriday/v2/markdown.go @@ -0,0 +1,950 @@ +// Blackfriday Markdown Processor +// Available at http://github.com/russross/blackfriday +// +// Copyright © 2011 Russ Ross . +// Distributed under the Simplified BSD License. +// See README.md for details. + +package blackfriday + +import ( + "bytes" + "fmt" + "io" + "strings" + "unicode/utf8" +) + +// +// Markdown parsing and processing +// + +// Version string of the package. Appears in the rendered document when +// CompletePage flag is on. +const Version = "2.0" + +// Extensions is a bitwise or'ed collection of enabled Blackfriday's +// extensions. +type Extensions int + +// These are the supported markdown parsing extensions. +// OR these values together to select multiple extensions. +const ( + NoExtensions Extensions = 0 + NoIntraEmphasis Extensions = 1 << iota // Ignore emphasis markers inside words + Tables // Render tables + FencedCode // Render fenced code blocks + Autolink // Detect embedded URLs that are not explicitly marked + Strikethrough // Strikethrough text using ~~test~~ + LaxHTMLBlocks // Loosen up HTML block parsing rules + SpaceHeadings // Be strict about prefix heading rules + HardLineBreak // Translate newlines into line breaks + TabSizeEight // Expand tabs to eight spaces instead of four + Footnotes // Pandoc-style footnotes + NoEmptyLineBeforeBlock // No need to insert an empty line to start a (code, quote, ordered list, unordered list) block + HeadingIDs // specify heading IDs with {#id} + Titleblock // Titleblock ala pandoc + AutoHeadingIDs // Create the heading ID from the text + BackslashLineBreak // Translate trailing backslashes into line breaks + DefinitionLists // Render definition lists + + CommonHTMLFlags HTMLFlags = UseXHTML | Smartypants | + SmartypantsFractions | SmartypantsDashes | SmartypantsLatexDashes + + CommonExtensions Extensions = NoIntraEmphasis | Tables | FencedCode | + Autolink | Strikethrough | SpaceHeadings | HeadingIDs | + BackslashLineBreak | DefinitionLists +) + +// ListType contains bitwise or'ed flags for list and list item objects. +type ListType int + +// These are the possible flag values for the ListItem renderer. +// Multiple flag values may be ORed together. +// These are mostly of interest if you are writing a new output format. +const ( + ListTypeOrdered ListType = 1 << iota + ListTypeDefinition + ListTypeTerm + + ListItemContainsBlock + ListItemBeginningOfList // TODO: figure out if this is of any use now + ListItemEndOfList +) + +// CellAlignFlags holds a type of alignment in a table cell. +type CellAlignFlags int + +// These are the possible flag values for the table cell renderer. +// Only a single one of these values will be used; they are not ORed together. +// These are mostly of interest if you are writing a new output format. +const ( + TableAlignmentLeft CellAlignFlags = 1 << iota + TableAlignmentRight + TableAlignmentCenter = (TableAlignmentLeft | TableAlignmentRight) +) + +// The size of a tab stop. +const ( + TabSizeDefault = 4 + TabSizeDouble = 8 +) + +// blockTags is a set of tags that are recognized as HTML block tags. +// Any of these can be included in markdown text without special escaping. +var blockTags = map[string]struct{}{ + "blockquote": {}, + "del": {}, + "div": {}, + "dl": {}, + "fieldset": {}, + "form": {}, + "h1": {}, + "h2": {}, + "h3": {}, + "h4": {}, + "h5": {}, + "h6": {}, + "iframe": {}, + "ins": {}, + "math": {}, + "noscript": {}, + "ol": {}, + "pre": {}, + "p": {}, + "script": {}, + "style": {}, + "table": {}, + "ul": {}, + + // HTML5 + "address": {}, + "article": {}, + "aside": {}, + "canvas": {}, + "figcaption": {}, + "figure": {}, + "footer": {}, + "header": {}, + "hgroup": {}, + "main": {}, + "nav": {}, + "output": {}, + "progress": {}, + "section": {}, + "video": {}, +} + +// Renderer is the rendering interface. This is mostly of interest if you are +// implementing a new rendering format. +// +// Only an HTML implementation is provided in this repository, see the README +// for external implementations. +type Renderer interface { + // RenderNode is the main rendering method. It will be called once for + // every leaf node and twice for every non-leaf node (first with + // entering=true, then with entering=false). The method should write its + // rendition of the node to the supplied writer w. + RenderNode(w io.Writer, node *Node, entering bool) WalkStatus + + // RenderHeader is a method that allows the renderer to produce some + // content preceding the main body of the output document. The header is + // understood in the broad sense here. For example, the default HTML + // renderer will write not only the HTML document preamble, but also the + // table of contents if it was requested. + // + // The method will be passed an entire document tree, in case a particular + // implementation needs to inspect it to produce output. + // + // The output should be written to the supplied writer w. If your + // implementation has no header to write, supply an empty implementation. + RenderHeader(w io.Writer, ast *Node) + + // RenderFooter is a symmetric counterpart of RenderHeader. + RenderFooter(w io.Writer, ast *Node) +} + +// Callback functions for inline parsing. One such function is defined +// for each character that triggers a response when parsing inline data. +type inlineParser func(p *Markdown, data []byte, offset int) (int, *Node) + +// Markdown is a type that holds extensions and the runtime state used by +// Parse, and the renderer. You can not use it directly, construct it with New. +type Markdown struct { + renderer Renderer + referenceOverride ReferenceOverrideFunc + refs map[string]*reference + inlineCallback [256]inlineParser + extensions Extensions + nesting int + maxNesting int + insideLink bool + + // Footnotes need to be ordered as well as available to quickly check for + // presence. If a ref is also a footnote, it's stored both in refs and here + // in notes. Slice is nil if footnotes not enabled. + notes []*reference + + doc *Node + tip *Node // = doc + oldTip *Node + lastMatchedContainer *Node // = doc + allClosed bool +} + +func (p *Markdown) getRef(refid string) (ref *reference, found bool) { + if p.referenceOverride != nil { + r, overridden := p.referenceOverride(refid) + if overridden { + if r == nil { + return nil, false + } + return &reference{ + link: []byte(r.Link), + title: []byte(r.Title), + noteID: 0, + hasBlock: false, + text: []byte(r.Text)}, true + } + } + // refs are case insensitive + ref, found = p.refs[strings.ToLower(refid)] + return ref, found +} + +func (p *Markdown) finalize(block *Node) { + above := block.Parent + block.open = false + p.tip = above +} + +func (p *Markdown) addChild(node NodeType, offset uint32) *Node { + return p.addExistingChild(NewNode(node), offset) +} + +func (p *Markdown) addExistingChild(node *Node, offset uint32) *Node { + for !p.tip.canContain(node.Type) { + p.finalize(p.tip) + } + p.tip.AppendChild(node) + p.tip = node + return node +} + +func (p *Markdown) closeUnmatchedBlocks() { + if !p.allClosed { + for p.oldTip != p.lastMatchedContainer { + parent := p.oldTip.Parent + p.finalize(p.oldTip) + p.oldTip = parent + } + p.allClosed = true + } +} + +// +// +// Public interface +// +// + +// Reference represents the details of a link. +// See the documentation in Options for more details on use-case. +type Reference struct { + // Link is usually the URL the reference points to. + Link string + // Title is the alternate text describing the link in more detail. + Title string + // Text is the optional text to override the ref with if the syntax used was + // [refid][] + Text string +} + +// ReferenceOverrideFunc is expected to be called with a reference string and +// return either a valid Reference type that the reference string maps to or +// nil. If overridden is false, the default reference logic will be executed. +// See the documentation in Options for more details on use-case. +type ReferenceOverrideFunc func(reference string) (ref *Reference, overridden bool) + +// New constructs a Markdown processor. You can use the same With* functions as +// for Run() to customize parser's behavior and the renderer. +func New(opts ...Option) *Markdown { + var p Markdown + for _, opt := range opts { + opt(&p) + } + p.refs = make(map[string]*reference) + p.maxNesting = 16 + p.insideLink = false + docNode := NewNode(Document) + p.doc = docNode + p.tip = docNode + p.oldTip = docNode + p.lastMatchedContainer = docNode + p.allClosed = true + // register inline parsers + p.inlineCallback[' '] = maybeLineBreak + p.inlineCallback['*'] = emphasis + p.inlineCallback['_'] = emphasis + if p.extensions&Strikethrough != 0 { + p.inlineCallback['~'] = emphasis + } + p.inlineCallback['`'] = codeSpan + p.inlineCallback['\n'] = lineBreak + p.inlineCallback['['] = link + p.inlineCallback['<'] = leftAngle + p.inlineCallback['\\'] = escape + p.inlineCallback['&'] = entity + p.inlineCallback['!'] = maybeImage + p.inlineCallback['^'] = maybeInlineFootnote + if p.extensions&Autolink != 0 { + p.inlineCallback['h'] = maybeAutoLink + p.inlineCallback['m'] = maybeAutoLink + p.inlineCallback['f'] = maybeAutoLink + p.inlineCallback['H'] = maybeAutoLink + p.inlineCallback['M'] = maybeAutoLink + p.inlineCallback['F'] = maybeAutoLink + } + if p.extensions&Footnotes != 0 { + p.notes = make([]*reference, 0) + } + return &p +} + +// Option customizes the Markdown processor's default behavior. +type Option func(*Markdown) + +// WithRenderer allows you to override the default renderer. +func WithRenderer(r Renderer) Option { + return func(p *Markdown) { + p.renderer = r + } +} + +// WithExtensions allows you to pick some of the many extensions provided by +// Blackfriday. You can bitwise OR them. +func WithExtensions(e Extensions) Option { + return func(p *Markdown) { + p.extensions = e + } +} + +// WithNoExtensions turns off all extensions and custom behavior. +func WithNoExtensions() Option { + return func(p *Markdown) { + p.extensions = NoExtensions + p.renderer = NewHTMLRenderer(HTMLRendererParameters{ + Flags: HTMLFlagsNone, + }) + } +} + +// WithRefOverride sets an optional function callback that is called every +// time a reference is resolved. +// +// In Markdown, the link reference syntax can be made to resolve a link to +// a reference instead of an inline URL, in one of the following ways: +// +// * [link text][refid] +// * [refid][] +// +// Usually, the refid is defined at the bottom of the Markdown document. If +// this override function is provided, the refid is passed to the override +// function first, before consulting the defined refids at the bottom. If +// the override function indicates an override did not occur, the refids at +// the bottom will be used to fill in the link details. +func WithRefOverride(o ReferenceOverrideFunc) Option { + return func(p *Markdown) { + p.referenceOverride = o + } +} + +// Run is the main entry point to Blackfriday. It parses and renders a +// block of markdown-encoded text. +// +// The simplest invocation of Run takes one argument, input: +// output := Run(input) +// This will parse the input with CommonExtensions enabled and render it with +// the default HTMLRenderer (with CommonHTMLFlags). +// +// Variadic arguments opts can customize the default behavior. Since Markdown +// type does not contain exported fields, you can not use it directly. Instead, +// use the With* functions. For example, this will call the most basic +// functionality, with no extensions: +// output := Run(input, WithNoExtensions()) +// +// You can use any number of With* arguments, even contradicting ones. They +// will be applied in order of appearance and the latter will override the +// former: +// output := Run(input, WithNoExtensions(), WithExtensions(exts), +// WithRenderer(yourRenderer)) +func Run(input []byte, opts ...Option) []byte { + r := NewHTMLRenderer(HTMLRendererParameters{ + Flags: CommonHTMLFlags, + }) + optList := []Option{WithRenderer(r), WithExtensions(CommonExtensions)} + optList = append(optList, opts...) + parser := New(optList...) + ast := parser.Parse(input) + var buf bytes.Buffer + parser.renderer.RenderHeader(&buf, ast) + ast.Walk(func(node *Node, entering bool) WalkStatus { + return parser.renderer.RenderNode(&buf, node, entering) + }) + parser.renderer.RenderFooter(&buf, ast) + return buf.Bytes() +} + +// Parse is an entry point to the parsing part of Blackfriday. It takes an +// input markdown document and produces a syntax tree for its contents. This +// tree can then be rendered with a default or custom renderer, or +// analyzed/transformed by the caller to whatever non-standard needs they have. +// The return value is the root node of the syntax tree. +func (p *Markdown) Parse(input []byte) *Node { + p.block(input) + // Walk the tree and finish up some of unfinished blocks + for p.tip != nil { + p.finalize(p.tip) + } + // Walk the tree again and process inline markdown in each block + p.doc.Walk(func(node *Node, entering bool) WalkStatus { + if node.Type == Paragraph || node.Type == Heading || node.Type == TableCell { + p.inline(node, node.content) + node.content = nil + } + return GoToNext + }) + p.parseRefsToAST() + return p.doc +} + +func (p *Markdown) parseRefsToAST() { + if p.extensions&Footnotes == 0 || len(p.notes) == 0 { + return + } + p.tip = p.doc + block := p.addBlock(List, nil) + block.IsFootnotesList = true + block.ListFlags = ListTypeOrdered + flags := ListItemBeginningOfList + // Note: this loop is intentionally explicit, not range-form. This is + // because the body of the loop will append nested footnotes to p.notes and + // we need to process those late additions. Range form would only walk over + // the fixed initial set. + for i := 0; i < len(p.notes); i++ { + ref := p.notes[i] + p.addExistingChild(ref.footnote, 0) + block := ref.footnote + block.ListFlags = flags | ListTypeOrdered + block.RefLink = ref.link + if ref.hasBlock { + flags |= ListItemContainsBlock + p.block(ref.title) + } else { + p.inline(block, ref.title) + } + flags &^= ListItemBeginningOfList | ListItemContainsBlock + } + above := block.Parent + finalizeList(block) + p.tip = above + block.Walk(func(node *Node, entering bool) WalkStatus { + if node.Type == Paragraph || node.Type == Heading { + p.inline(node, node.content) + node.content = nil + } + return GoToNext + }) +} + +// +// Link references +// +// This section implements support for references that (usually) appear +// as footnotes in a document, and can be referenced anywhere in the document. +// The basic format is: +// +// [1]: http://www.google.com/ "Google" +// [2]: http://www.github.com/ "Github" +// +// Anywhere in the document, the reference can be linked by referring to its +// label, i.e., 1 and 2 in this example, as in: +// +// This library is hosted on [Github][2], a git hosting site. +// +// Actual footnotes as specified in Pandoc and supported by some other Markdown +// libraries such as php-markdown are also taken care of. They look like this: +// +// This sentence needs a bit of further explanation.[^note] +// +// [^note]: This is the explanation. +// +// Footnotes should be placed at the end of the document in an ordered list. +// Finally, there are inline footnotes such as: +// +// Inline footnotes^[Also supported.] provide a quick inline explanation, +// but are rendered at the bottom of the document. +// + +// reference holds all information necessary for a reference-style links or +// footnotes. +// +// Consider this markdown with reference-style links: +// +// [link][ref] +// +// [ref]: /url/ "tooltip title" +// +// It will be ultimately converted to this HTML: +// +//

    link

    +// +// And a reference structure will be populated as follows: +// +// p.refs["ref"] = &reference{ +// link: "/url/", +// title: "tooltip title", +// } +// +// Alternatively, reference can contain information about a footnote. Consider +// this markdown: +// +// Text needing a footnote.[^a] +// +// [^a]: This is the note +// +// A reference structure will be populated as follows: +// +// p.refs["a"] = &reference{ +// link: "a", +// title: "This is the note", +// noteID: , +// } +// +// TODO: As you can see, it begs for splitting into two dedicated structures +// for refs and for footnotes. +type reference struct { + link []byte + title []byte + noteID int // 0 if not a footnote ref + hasBlock bool + footnote *Node // a link to the Item node within a list of footnotes + + text []byte // only gets populated by refOverride feature with Reference.Text +} + +func (r *reference) String() string { + return fmt.Sprintf("{link: %q, title: %q, text: %q, noteID: %d, hasBlock: %v}", + r.link, r.title, r.text, r.noteID, r.hasBlock) +} + +// Check whether or not data starts with a reference link. +// If so, it is parsed and stored in the list of references +// (in the render struct). +// Returns the number of bytes to skip to move past it, +// or zero if the first line is not a reference. +func isReference(p *Markdown, data []byte, tabSize int) int { + // up to 3 optional leading spaces + if len(data) < 4 { + return 0 + } + i := 0 + for i < 3 && data[i] == ' ' { + i++ + } + + noteID := 0 + + // id part: anything but a newline between brackets + if data[i] != '[' { + return 0 + } + i++ + if p.extensions&Footnotes != 0 { + if i < len(data) && data[i] == '^' { + // we can set it to anything here because the proper noteIds will + // be assigned later during the second pass. It just has to be != 0 + noteID = 1 + i++ + } + } + idOffset := i + for i < len(data) && data[i] != '\n' && data[i] != '\r' && data[i] != ']' { + i++ + } + if i >= len(data) || data[i] != ']' { + return 0 + } + idEnd := i + // footnotes can have empty ID, like this: [^], but a reference can not be + // empty like this: []. Break early if it's not a footnote and there's no ID + if noteID == 0 && idOffset == idEnd { + return 0 + } + // spacer: colon (space | tab)* newline? (space | tab)* + i++ + if i >= len(data) || data[i] != ':' { + return 0 + } + i++ + for i < len(data) && (data[i] == ' ' || data[i] == '\t') { + i++ + } + if i < len(data) && (data[i] == '\n' || data[i] == '\r') { + i++ + if i < len(data) && data[i] == '\n' && data[i-1] == '\r' { + i++ + } + } + for i < len(data) && (data[i] == ' ' || data[i] == '\t') { + i++ + } + if i >= len(data) { + return 0 + } + + var ( + linkOffset, linkEnd int + titleOffset, titleEnd int + lineEnd int + raw []byte + hasBlock bool + ) + + if p.extensions&Footnotes != 0 && noteID != 0 { + linkOffset, linkEnd, raw, hasBlock = scanFootnote(p, data, i, tabSize) + lineEnd = linkEnd + } else { + linkOffset, linkEnd, titleOffset, titleEnd, lineEnd = scanLinkRef(p, data, i) + } + if lineEnd == 0 { + return 0 + } + + // a valid ref has been found + + ref := &reference{ + noteID: noteID, + hasBlock: hasBlock, + } + + if noteID > 0 { + // reusing the link field for the id since footnotes don't have links + ref.link = data[idOffset:idEnd] + // if footnote, it's not really a title, it's the contained text + ref.title = raw + } else { + ref.link = data[linkOffset:linkEnd] + ref.title = data[titleOffset:titleEnd] + } + + // id matches are case-insensitive + id := string(bytes.ToLower(data[idOffset:idEnd])) + + p.refs[id] = ref + + return lineEnd +} + +func scanLinkRef(p *Markdown, data []byte, i int) (linkOffset, linkEnd, titleOffset, titleEnd, lineEnd int) { + // link: whitespace-free sequence, optionally between angle brackets + if data[i] == '<' { + i++ + } + linkOffset = i + for i < len(data) && data[i] != ' ' && data[i] != '\t' && data[i] != '\n' && data[i] != '\r' { + i++ + } + linkEnd = i + if data[linkOffset] == '<' && data[linkEnd-1] == '>' { + linkOffset++ + linkEnd-- + } + + // optional spacer: (space | tab)* (newline | '\'' | '"' | '(' ) + for i < len(data) && (data[i] == ' ' || data[i] == '\t') { + i++ + } + if i < len(data) && data[i] != '\n' && data[i] != '\r' && data[i] != '\'' && data[i] != '"' && data[i] != '(' { + return + } + + // compute end-of-line + if i >= len(data) || data[i] == '\r' || data[i] == '\n' { + lineEnd = i + } + if i+1 < len(data) && data[i] == '\r' && data[i+1] == '\n' { + lineEnd++ + } + + // optional (space|tab)* spacer after a newline + if lineEnd > 0 { + i = lineEnd + 1 + for i < len(data) && (data[i] == ' ' || data[i] == '\t') { + i++ + } + } + + // optional title: any non-newline sequence enclosed in '"() alone on its line + if i+1 < len(data) && (data[i] == '\'' || data[i] == '"' || data[i] == '(') { + i++ + titleOffset = i + + // look for EOL + for i < len(data) && data[i] != '\n' && data[i] != '\r' { + i++ + } + if i+1 < len(data) && data[i] == '\n' && data[i+1] == '\r' { + titleEnd = i + 1 + } else { + titleEnd = i + } + + // step back + i-- + for i > titleOffset && (data[i] == ' ' || data[i] == '\t') { + i-- + } + if i > titleOffset && (data[i] == '\'' || data[i] == '"' || data[i] == ')') { + lineEnd = titleEnd + titleEnd = i + } + } + + return +} + +// The first bit of this logic is the same as Parser.listItem, but the rest +// is much simpler. This function simply finds the entire block and shifts it +// over by one tab if it is indeed a block (just returns the line if it's not). +// blockEnd is the end of the section in the input buffer, and contents is the +// extracted text that was shifted over one tab. It will need to be rendered at +// the end of the document. +func scanFootnote(p *Markdown, data []byte, i, indentSize int) (blockStart, blockEnd int, contents []byte, hasBlock bool) { + if i == 0 || len(data) == 0 { + return + } + + // skip leading whitespace on first line + for i < len(data) && data[i] == ' ' { + i++ + } + + blockStart = i + + // find the end of the line + blockEnd = i + for i < len(data) && data[i-1] != '\n' { + i++ + } + + // get working buffer + var raw bytes.Buffer + + // put the first line into the working buffer + raw.Write(data[blockEnd:i]) + blockEnd = i + + // process the following lines + containsBlankLine := false + +gatherLines: + for blockEnd < len(data) { + i++ + + // find the end of this line + for i < len(data) && data[i-1] != '\n' { + i++ + } + + // if it is an empty line, guess that it is part of this item + // and move on to the next line + if p.isEmpty(data[blockEnd:i]) > 0 { + containsBlankLine = true + blockEnd = i + continue + } + + n := 0 + if n = isIndented(data[blockEnd:i], indentSize); n == 0 { + // this is the end of the block. + // we don't want to include this last line in the index. + break gatherLines + } + + // if there were blank lines before this one, insert a new one now + if containsBlankLine { + raw.WriteByte('\n') + containsBlankLine = false + } + + // get rid of that first tab, write to buffer + raw.Write(data[blockEnd+n : i]) + hasBlock = true + + blockEnd = i + } + + if data[blockEnd-1] != '\n' { + raw.WriteByte('\n') + } + + contents = raw.Bytes() + + return +} + +// +// +// Miscellaneous helper functions +// +// + +// Test if a character is a punctuation symbol. +// Taken from a private function in regexp in the stdlib. +func ispunct(c byte) bool { + for _, r := range []byte("!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~") { + if c == r { + return true + } + } + return false +} + +// Test if a character is a whitespace character. +func isspace(c byte) bool { + return ishorizontalspace(c) || isverticalspace(c) +} + +// Test if a character is a horizontal whitespace character. +func ishorizontalspace(c byte) bool { + return c == ' ' || c == '\t' +} + +// Test if a character is a vertical character. +func isverticalspace(c byte) bool { + return c == '\n' || c == '\r' || c == '\f' || c == '\v' +} + +// Test if a character is letter. +func isletter(c byte) bool { + return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') +} + +// Test if a character is a letter or a digit. +// TODO: check when this is looking for ASCII alnum and when it should use unicode +func isalnum(c byte) bool { + return (c >= '0' && c <= '9') || isletter(c) +} + +// Replace tab characters with spaces, aligning to the next TAB_SIZE column. +// always ends output with a newline +func expandTabs(out *bytes.Buffer, line []byte, tabSize int) { + // first, check for common cases: no tabs, or only tabs at beginning of line + i, prefix := 0, 0 + slowcase := false + for i = 0; i < len(line); i++ { + if line[i] == '\t' { + if prefix == i { + prefix++ + } else { + slowcase = true + break + } + } + } + + // no need to decode runes if all tabs are at the beginning of the line + if !slowcase { + for i = 0; i < prefix*tabSize; i++ { + out.WriteByte(' ') + } + out.Write(line[prefix:]) + return + } + + // the slow case: we need to count runes to figure out how + // many spaces to insert for each tab + column := 0 + i = 0 + for i < len(line) { + start := i + for i < len(line) && line[i] != '\t' { + _, size := utf8.DecodeRune(line[i:]) + i += size + column++ + } + + if i > start { + out.Write(line[start:i]) + } + + if i >= len(line) { + break + } + + for { + out.WriteByte(' ') + column++ + if column%tabSize == 0 { + break + } + } + + i++ + } +} + +// Find if a line counts as indented or not. +// Returns number of characters the indent is (0 = not indented). +func isIndented(data []byte, indentSize int) int { + if len(data) == 0 { + return 0 + } + if data[0] == '\t' { + return 1 + } + if len(data) < indentSize { + return 0 + } + for i := 0; i < indentSize; i++ { + if data[i] != ' ' { + return 0 + } + } + return indentSize +} + +// Create a url-safe slug for fragments +func slugify(in []byte) []byte { + if len(in) == 0 { + return in + } + out := make([]byte, 0, len(in)) + sym := false + + for _, ch := range in { + if isalnum(ch) { + sym = false + out = append(out, ch) + } else if sym { + continue + } else { + out = append(out, '-') + sym = true + } + } + var a, b int + var ch byte + for a, ch = range out { + if ch != '-' { + break + } + } + for b = len(out) - 1; b > 0; b-- { + if out[b] != '-' { + break + } + } + return out[a : b+1] +} diff --git a/vendor/github.com/russross/blackfriday/v2/node.go b/vendor/github.com/russross/blackfriday/v2/node.go new file mode 100644 index 000000000..04e6050ce --- /dev/null +++ b/vendor/github.com/russross/blackfriday/v2/node.go @@ -0,0 +1,360 @@ +package blackfriday + +import ( + "bytes" + "fmt" +) + +// NodeType specifies a type of a single node of a syntax tree. Usually one +// node (and its type) corresponds to a single markdown feature, e.g. emphasis +// or code block. +type NodeType int + +// Constants for identifying different types of nodes. See NodeType. +const ( + Document NodeType = iota + BlockQuote + List + Item + Paragraph + Heading + HorizontalRule + Emph + Strong + Del + Link + Image + Text + HTMLBlock + CodeBlock + Softbreak + Hardbreak + Code + HTMLSpan + Table + TableCell + TableHead + TableBody + TableRow +) + +var nodeTypeNames = []string{ + Document: "Document", + BlockQuote: "BlockQuote", + List: "List", + Item: "Item", + Paragraph: "Paragraph", + Heading: "Heading", + HorizontalRule: "HorizontalRule", + Emph: "Emph", + Strong: "Strong", + Del: "Del", + Link: "Link", + Image: "Image", + Text: "Text", + HTMLBlock: "HTMLBlock", + CodeBlock: "CodeBlock", + Softbreak: "Softbreak", + Hardbreak: "Hardbreak", + Code: "Code", + HTMLSpan: "HTMLSpan", + Table: "Table", + TableCell: "TableCell", + TableHead: "TableHead", + TableBody: "TableBody", + TableRow: "TableRow", +} + +func (t NodeType) String() string { + return nodeTypeNames[t] +} + +// ListData contains fields relevant to a List and Item node type. +type ListData struct { + ListFlags ListType + Tight bool // Skip

    s around list item data if true + BulletChar byte // '*', '+' or '-' in bullet lists + Delimiter byte // '.' or ')' after the number in ordered lists + RefLink []byte // If not nil, turns this list item into a footnote item and triggers different rendering + IsFootnotesList bool // This is a list of footnotes +} + +// LinkData contains fields relevant to a Link node type. +type LinkData struct { + Destination []byte // Destination is what goes into a href + Title []byte // Title is the tooltip thing that goes in a title attribute + NoteID int // NoteID contains a serial number of a footnote, zero if it's not a footnote + Footnote *Node // If it's a footnote, this is a direct link to the footnote Node. Otherwise nil. +} + +// CodeBlockData contains fields relevant to a CodeBlock node type. +type CodeBlockData struct { + IsFenced bool // Specifies whether it's a fenced code block or an indented one + Info []byte // This holds the info string + FenceChar byte + FenceLength int + FenceOffset int +} + +// TableCellData contains fields relevant to a TableCell node type. +type TableCellData struct { + IsHeader bool // This tells if it's under the header row + Align CellAlignFlags // This holds the value for align attribute +} + +// HeadingData contains fields relevant to a Heading node type. +type HeadingData struct { + Level int // This holds the heading level number + HeadingID string // This might hold heading ID, if present + IsTitleblock bool // Specifies whether it's a title block +} + +// Node is a single element in the abstract syntax tree of the parsed document. +// It holds connections to the structurally neighboring nodes and, for certain +// types of nodes, additional information that might be needed when rendering. +type Node struct { + Type NodeType // Determines the type of the node + Parent *Node // Points to the parent + FirstChild *Node // Points to the first child, if any + LastChild *Node // Points to the last child, if any + Prev *Node // Previous sibling; nil if it's the first child + Next *Node // Next sibling; nil if it's the last child + + Literal []byte // Text contents of the leaf nodes + + HeadingData // Populated if Type is Heading + ListData // Populated if Type is List + CodeBlockData // Populated if Type is CodeBlock + LinkData // Populated if Type is Link + TableCellData // Populated if Type is TableCell + + content []byte // Markdown content of the block nodes + open bool // Specifies an open block node that has not been finished to process yet +} + +// NewNode allocates a node of a specified type. +func NewNode(typ NodeType) *Node { + return &Node{ + Type: typ, + open: true, + } +} + +func (n *Node) String() string { + ellipsis := "" + snippet := n.Literal + if len(snippet) > 16 { + snippet = snippet[:16] + ellipsis = "..." + } + return fmt.Sprintf("%s: '%s%s'", n.Type, snippet, ellipsis) +} + +// Unlink removes node 'n' from the tree. +// It panics if the node is nil. +func (n *Node) Unlink() { + if n.Prev != nil { + n.Prev.Next = n.Next + } else if n.Parent != nil { + n.Parent.FirstChild = n.Next + } + if n.Next != nil { + n.Next.Prev = n.Prev + } else if n.Parent != nil { + n.Parent.LastChild = n.Prev + } + n.Parent = nil + n.Next = nil + n.Prev = nil +} + +// AppendChild adds a node 'child' as a child of 'n'. +// It panics if either node is nil. +func (n *Node) AppendChild(child *Node) { + child.Unlink() + child.Parent = n + if n.LastChild != nil { + n.LastChild.Next = child + child.Prev = n.LastChild + n.LastChild = child + } else { + n.FirstChild = child + n.LastChild = child + } +} + +// InsertBefore inserts 'sibling' immediately before 'n'. +// It panics if either node is nil. +func (n *Node) InsertBefore(sibling *Node) { + sibling.Unlink() + sibling.Prev = n.Prev + if sibling.Prev != nil { + sibling.Prev.Next = sibling + } + sibling.Next = n + n.Prev = sibling + sibling.Parent = n.Parent + if sibling.Prev == nil { + sibling.Parent.FirstChild = sibling + } +} + +// IsContainer returns true if 'n' can contain children. +func (n *Node) IsContainer() bool { + switch n.Type { + case Document: + fallthrough + case BlockQuote: + fallthrough + case List: + fallthrough + case Item: + fallthrough + case Paragraph: + fallthrough + case Heading: + fallthrough + case Emph: + fallthrough + case Strong: + fallthrough + case Del: + fallthrough + case Link: + fallthrough + case Image: + fallthrough + case Table: + fallthrough + case TableHead: + fallthrough + case TableBody: + fallthrough + case TableRow: + fallthrough + case TableCell: + return true + default: + return false + } +} + +// IsLeaf returns true if 'n' is a leaf node. +func (n *Node) IsLeaf() bool { + return !n.IsContainer() +} + +func (n *Node) canContain(t NodeType) bool { + if n.Type == List { + return t == Item + } + if n.Type == Document || n.Type == BlockQuote || n.Type == Item { + return t != Item + } + if n.Type == Table { + return t == TableHead || t == TableBody + } + if n.Type == TableHead || n.Type == TableBody { + return t == TableRow + } + if n.Type == TableRow { + return t == TableCell + } + return false +} + +// WalkStatus allows NodeVisitor to have some control over the tree traversal. +// It is returned from NodeVisitor and different values allow Node.Walk to +// decide which node to go to next. +type WalkStatus int + +const ( + // GoToNext is the default traversal of every node. + GoToNext WalkStatus = iota + // SkipChildren tells walker to skip all children of current node. + SkipChildren + // Terminate tells walker to terminate the traversal. + Terminate +) + +// NodeVisitor is a callback to be called when traversing the syntax tree. +// Called twice for every node: once with entering=true when the branch is +// first visited, then with entering=false after all the children are done. +type NodeVisitor func(node *Node, entering bool) WalkStatus + +// Walk is a convenience method that instantiates a walker and starts a +// traversal of subtree rooted at n. +func (n *Node) Walk(visitor NodeVisitor) { + w := newNodeWalker(n) + for w.current != nil { + status := visitor(w.current, w.entering) + switch status { + case GoToNext: + w.next() + case SkipChildren: + w.entering = false + w.next() + case Terminate: + return + } + } +} + +type nodeWalker struct { + current *Node + root *Node + entering bool +} + +func newNodeWalker(root *Node) *nodeWalker { + return &nodeWalker{ + current: root, + root: root, + entering: true, + } +} + +func (nw *nodeWalker) next() { + if (!nw.current.IsContainer() || !nw.entering) && nw.current == nw.root { + nw.current = nil + return + } + if nw.entering && nw.current.IsContainer() { + if nw.current.FirstChild != nil { + nw.current = nw.current.FirstChild + nw.entering = true + } else { + nw.entering = false + } + } else if nw.current.Next == nil { + nw.current = nw.current.Parent + nw.entering = false + } else { + nw.current = nw.current.Next + nw.entering = true + } +} + +func dump(ast *Node) { + fmt.Println(dumpString(ast)) +} + +func dumpR(ast *Node, depth int) string { + if ast == nil { + return "" + } + indent := bytes.Repeat([]byte("\t"), depth) + content := ast.Literal + if content == nil { + content = ast.content + } + result := fmt.Sprintf("%s%s(%q)\n", indent, ast.Type, content) + for n := ast.FirstChild; n != nil; n = n.Next { + result += dumpR(n, depth+1) + } + return result +} + +func dumpString(ast *Node) string { + return dumpR(ast, 0) +} diff --git a/vendor/github.com/russross/blackfriday/v2/smartypants.go b/vendor/github.com/russross/blackfriday/v2/smartypants.go new file mode 100644 index 000000000..3a220e942 --- /dev/null +++ b/vendor/github.com/russross/blackfriday/v2/smartypants.go @@ -0,0 +1,457 @@ +// +// Blackfriday Markdown Processor +// Available at http://github.com/russross/blackfriday +// +// Copyright © 2011 Russ Ross . +// Distributed under the Simplified BSD License. +// See README.md for details. +// + +// +// +// SmartyPants rendering +// +// + +package blackfriday + +import ( + "bytes" + "io" +) + +// SPRenderer is a struct containing state of a Smartypants renderer. +type SPRenderer struct { + inSingleQuote bool + inDoubleQuote bool + callbacks [256]smartCallback +} + +func wordBoundary(c byte) bool { + return c == 0 || isspace(c) || ispunct(c) +} + +func tolower(c byte) byte { + if c >= 'A' && c <= 'Z' { + return c - 'A' + 'a' + } + return c +} + +func isdigit(c byte) bool { + return c >= '0' && c <= '9' +} + +func smartQuoteHelper(out *bytes.Buffer, previousChar byte, nextChar byte, quote byte, isOpen *bool, addNBSP bool) bool { + // edge of the buffer is likely to be a tag that we don't get to see, + // so we treat it like text sometimes + + // enumerate all sixteen possibilities for (previousChar, nextChar) + // each can be one of {0, space, punct, other} + switch { + case previousChar == 0 && nextChar == 0: + // context is not any help here, so toggle + *isOpen = !*isOpen + case isspace(previousChar) && nextChar == 0: + // [ "] might be [ "foo...] + *isOpen = true + case ispunct(previousChar) && nextChar == 0: + // [!"] hmm... could be [Run!"] or [("...] + *isOpen = false + case /* isnormal(previousChar) && */ nextChar == 0: + // [a"] is probably a close + *isOpen = false + case previousChar == 0 && isspace(nextChar): + // [" ] might be [...foo" ] + *isOpen = false + case isspace(previousChar) && isspace(nextChar): + // [ " ] context is not any help here, so toggle + *isOpen = !*isOpen + case ispunct(previousChar) && isspace(nextChar): + // [!" ] is probably a close + *isOpen = false + case /* isnormal(previousChar) && */ isspace(nextChar): + // [a" ] this is one of the easy cases + *isOpen = false + case previousChar == 0 && ispunct(nextChar): + // ["!] hmm... could be ["$1.95] or ["!...] + *isOpen = false + case isspace(previousChar) && ispunct(nextChar): + // [ "!] looks more like [ "$1.95] + *isOpen = true + case ispunct(previousChar) && ispunct(nextChar): + // [!"!] context is not any help here, so toggle + *isOpen = !*isOpen + case /* isnormal(previousChar) && */ ispunct(nextChar): + // [a"!] is probably a close + *isOpen = false + case previousChar == 0 /* && isnormal(nextChar) */ : + // ["a] is probably an open + *isOpen = true + case isspace(previousChar) /* && isnormal(nextChar) */ : + // [ "a] this is one of the easy cases + *isOpen = true + case ispunct(previousChar) /* && isnormal(nextChar) */ : + // [!"a] is probably an open + *isOpen = true + default: + // [a'b] maybe a contraction? + *isOpen = false + } + + // Note that with the limited lookahead, this non-breaking + // space will also be appended to single double quotes. + if addNBSP && !*isOpen { + out.WriteString(" ") + } + + out.WriteByte('&') + if *isOpen { + out.WriteByte('l') + } else { + out.WriteByte('r') + } + out.WriteByte(quote) + out.WriteString("quo;") + + if addNBSP && *isOpen { + out.WriteString(" ") + } + + return true +} + +func (r *SPRenderer) smartSingleQuote(out *bytes.Buffer, previousChar byte, text []byte) int { + if len(text) >= 2 { + t1 := tolower(text[1]) + + if t1 == '\'' { + nextChar := byte(0) + if len(text) >= 3 { + nextChar = text[2] + } + if smartQuoteHelper(out, previousChar, nextChar, 'd', &r.inDoubleQuote, false) { + return 1 + } + } + + if (t1 == 's' || t1 == 't' || t1 == 'm' || t1 == 'd') && (len(text) < 3 || wordBoundary(text[2])) { + out.WriteString("’") + return 0 + } + + if len(text) >= 3 { + t2 := tolower(text[2]) + + if ((t1 == 'r' && t2 == 'e') || (t1 == 'l' && t2 == 'l') || (t1 == 'v' && t2 == 'e')) && + (len(text) < 4 || wordBoundary(text[3])) { + out.WriteString("’") + return 0 + } + } + } + + nextChar := byte(0) + if len(text) > 1 { + nextChar = text[1] + } + if smartQuoteHelper(out, previousChar, nextChar, 's', &r.inSingleQuote, false) { + return 0 + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartParens(out *bytes.Buffer, previousChar byte, text []byte) int { + if len(text) >= 3 { + t1 := tolower(text[1]) + t2 := tolower(text[2]) + + if t1 == 'c' && t2 == ')' { + out.WriteString("©") + return 2 + } + + if t1 == 'r' && t2 == ')' { + out.WriteString("®") + return 2 + } + + if len(text) >= 4 && t1 == 't' && t2 == 'm' && text[3] == ')' { + out.WriteString("™") + return 3 + } + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartDash(out *bytes.Buffer, previousChar byte, text []byte) int { + if len(text) >= 2 { + if text[1] == '-' { + out.WriteString("—") + return 1 + } + + if wordBoundary(previousChar) && wordBoundary(text[1]) { + out.WriteString("–") + return 0 + } + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartDashLatex(out *bytes.Buffer, previousChar byte, text []byte) int { + if len(text) >= 3 && text[1] == '-' && text[2] == '-' { + out.WriteString("—") + return 2 + } + if len(text) >= 2 && text[1] == '-' { + out.WriteString("–") + return 1 + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartAmpVariant(out *bytes.Buffer, previousChar byte, text []byte, quote byte, addNBSP bool) int { + if bytes.HasPrefix(text, []byte(""")) { + nextChar := byte(0) + if len(text) >= 7 { + nextChar = text[6] + } + if smartQuoteHelper(out, previousChar, nextChar, quote, &r.inDoubleQuote, addNBSP) { + return 5 + } + } + + if bytes.HasPrefix(text, []byte("�")) { + return 3 + } + + out.WriteByte('&') + return 0 +} + +func (r *SPRenderer) smartAmp(angledQuotes, addNBSP bool) func(*bytes.Buffer, byte, []byte) int { + var quote byte = 'd' + if angledQuotes { + quote = 'a' + } + + return func(out *bytes.Buffer, previousChar byte, text []byte) int { + return r.smartAmpVariant(out, previousChar, text, quote, addNBSP) + } +} + +func (r *SPRenderer) smartPeriod(out *bytes.Buffer, previousChar byte, text []byte) int { + if len(text) >= 3 && text[1] == '.' && text[2] == '.' { + out.WriteString("…") + return 2 + } + + if len(text) >= 5 && text[1] == ' ' && text[2] == '.' && text[3] == ' ' && text[4] == '.' { + out.WriteString("…") + return 4 + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartBacktick(out *bytes.Buffer, previousChar byte, text []byte) int { + if len(text) >= 2 && text[1] == '`' { + nextChar := byte(0) + if len(text) >= 3 { + nextChar = text[2] + } + if smartQuoteHelper(out, previousChar, nextChar, 'd', &r.inDoubleQuote, false) { + return 1 + } + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartNumberGeneric(out *bytes.Buffer, previousChar byte, text []byte) int { + if wordBoundary(previousChar) && previousChar != '/' && len(text) >= 3 { + // is it of the form digits/digits(word boundary)?, i.e., \d+/\d+\b + // note: check for regular slash (/) or fraction slash (⁄, 0x2044, or 0xe2 81 84 in utf-8) + // and avoid changing dates like 1/23/2005 into fractions. + numEnd := 0 + for len(text) > numEnd && isdigit(text[numEnd]) { + numEnd++ + } + if numEnd == 0 { + out.WriteByte(text[0]) + return 0 + } + denStart := numEnd + 1 + if len(text) > numEnd+3 && text[numEnd] == 0xe2 && text[numEnd+1] == 0x81 && text[numEnd+2] == 0x84 { + denStart = numEnd + 3 + } else if len(text) < numEnd+2 || text[numEnd] != '/' { + out.WriteByte(text[0]) + return 0 + } + denEnd := denStart + for len(text) > denEnd && isdigit(text[denEnd]) { + denEnd++ + } + if denEnd == denStart { + out.WriteByte(text[0]) + return 0 + } + if len(text) == denEnd || wordBoundary(text[denEnd]) && text[denEnd] != '/' { + out.WriteString("") + out.Write(text[:numEnd]) + out.WriteString("") + out.Write(text[denStart:denEnd]) + out.WriteString("") + return denEnd - 1 + } + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartNumber(out *bytes.Buffer, previousChar byte, text []byte) int { + if wordBoundary(previousChar) && previousChar != '/' && len(text) >= 3 { + if text[0] == '1' && text[1] == '/' && text[2] == '2' { + if len(text) < 4 || wordBoundary(text[3]) && text[3] != '/' { + out.WriteString("½") + return 2 + } + } + + if text[0] == '1' && text[1] == '/' && text[2] == '4' { + if len(text) < 4 || wordBoundary(text[3]) && text[3] != '/' || (len(text) >= 5 && tolower(text[3]) == 't' && tolower(text[4]) == 'h') { + out.WriteString("¼") + return 2 + } + } + + if text[0] == '3' && text[1] == '/' && text[2] == '4' { + if len(text) < 4 || wordBoundary(text[3]) && text[3] != '/' || (len(text) >= 6 && tolower(text[3]) == 't' && tolower(text[4]) == 'h' && tolower(text[5]) == 's') { + out.WriteString("¾") + return 2 + } + } + } + + out.WriteByte(text[0]) + return 0 +} + +func (r *SPRenderer) smartDoubleQuoteVariant(out *bytes.Buffer, previousChar byte, text []byte, quote byte) int { + nextChar := byte(0) + if len(text) > 1 { + nextChar = text[1] + } + if !smartQuoteHelper(out, previousChar, nextChar, quote, &r.inDoubleQuote, false) { + out.WriteString(""") + } + + return 0 +} + +func (r *SPRenderer) smartDoubleQuote(out *bytes.Buffer, previousChar byte, text []byte) int { + return r.smartDoubleQuoteVariant(out, previousChar, text, 'd') +} + +func (r *SPRenderer) smartAngledDoubleQuote(out *bytes.Buffer, previousChar byte, text []byte) int { + return r.smartDoubleQuoteVariant(out, previousChar, text, 'a') +} + +func (r *SPRenderer) smartLeftAngle(out *bytes.Buffer, previousChar byte, text []byte) int { + i := 0 + + for i < len(text) && text[i] != '>' { + i++ + } + + out.Write(text[:i+1]) + return i +} + +type smartCallback func(out *bytes.Buffer, previousChar byte, text []byte) int + +// NewSmartypantsRenderer constructs a Smartypants renderer object. +func NewSmartypantsRenderer(flags HTMLFlags) *SPRenderer { + var ( + r SPRenderer + + smartAmpAngled = r.smartAmp(true, false) + smartAmpAngledNBSP = r.smartAmp(true, true) + smartAmpRegular = r.smartAmp(false, false) + smartAmpRegularNBSP = r.smartAmp(false, true) + + addNBSP = flags&SmartypantsQuotesNBSP != 0 + ) + + if flags&SmartypantsAngledQuotes == 0 { + r.callbacks['"'] = r.smartDoubleQuote + if !addNBSP { + r.callbacks['&'] = smartAmpRegular + } else { + r.callbacks['&'] = smartAmpRegularNBSP + } + } else { + r.callbacks['"'] = r.smartAngledDoubleQuote + if !addNBSP { + r.callbacks['&'] = smartAmpAngled + } else { + r.callbacks['&'] = smartAmpAngledNBSP + } + } + r.callbacks['\''] = r.smartSingleQuote + r.callbacks['('] = r.smartParens + if flags&SmartypantsDashes != 0 { + if flags&SmartypantsLatexDashes == 0 { + r.callbacks['-'] = r.smartDash + } else { + r.callbacks['-'] = r.smartDashLatex + } + } + r.callbacks['.'] = r.smartPeriod + if flags&SmartypantsFractions == 0 { + r.callbacks['1'] = r.smartNumber + r.callbacks['3'] = r.smartNumber + } else { + for ch := '1'; ch <= '9'; ch++ { + r.callbacks[ch] = r.smartNumberGeneric + } + } + r.callbacks['<'] = r.smartLeftAngle + r.callbacks['`'] = r.smartBacktick + return &r +} + +// Process is the entry point of the Smartypants renderer. +func (r *SPRenderer) Process(w io.Writer, text []byte) { + mark := 0 + for i := 0; i < len(text); i++ { + if action := r.callbacks[text[i]]; action != nil { + if i > mark { + w.Write(text[mark:i]) + } + previousChar := byte(0) + if i > 0 { + previousChar = text[i-1] + } + var tmp bytes.Buffer + i += action(&tmp, previousChar, text[i:]) + w.Write(tmp.Bytes()) + mark = i + 1 + } + } + if mark < len(text) { + w.Write(text[mark:]) + } +} diff --git a/vendor/github.com/spf13/cobra/.golangci.yml b/vendor/github.com/spf13/cobra/.golangci.yml index a618ec24d..2c8f4808c 100644 --- a/vendor/github.com/spf13/cobra/.golangci.yml +++ b/vendor/github.com/spf13/cobra/.golangci.yml @@ -26,33 +26,28 @@ linters: - errcheck #- exhaustive #- funlen - - gas #- gochecknoinits - goconst - #- gocritic + - gocritic #- gocyclo - #- gofmt + - gofmt - goimports - - golint #- gomnd #- goprintffuncname - #- gosec - #- gosimple + - gosec + - gosimple - govet - ineffassign - - interfacer #- lll - - maligned - - megacheck - #- misspell + - misspell #- nakedret #- noctx - #- nolintlint + - nolintlint #- rowserrcheck #- scopelint - #- staticcheck + - staticcheck #- structcheck ! deprecated since v1.49.0; replaced by 'unused' - #- stylecheck + - stylecheck #- typecheck - unconvert #- unparam diff --git a/vendor/github.com/spf13/cobra/active_help.go b/vendor/github.com/spf13/cobra/active_help.go index 5f965e057..25c30e3cc 100644 --- a/vendor/github.com/spf13/cobra/active_help.go +++ b/vendor/github.com/spf13/cobra/active_help.go @@ -17,21 +17,17 @@ package cobra import ( "fmt" "os" - "regexp" - "strings" ) const ( activeHelpMarker = "_activeHelp_ " // The below values should not be changed: programs will be using them explicitly // in their user documentation, and users will be using them explicitly. - activeHelpEnvVarSuffix = "_ACTIVE_HELP" - activeHelpGlobalEnvVar = "COBRA_ACTIVE_HELP" + activeHelpEnvVarSuffix = "ACTIVE_HELP" + activeHelpGlobalEnvVar = configEnvVarGlobalPrefix + "_" + activeHelpEnvVarSuffix activeHelpGlobalDisable = "0" ) -var activeHelpEnvVarPrefixSubstRegexp = regexp.MustCompile(`[^A-Z0-9_]`) - // AppendActiveHelp adds the specified string to the specified array to be used as ActiveHelp. // Such strings will be processed by the completion script and will be shown as ActiveHelp // to the user. @@ -60,8 +56,5 @@ func GetActiveHelpConfig(cmd *Command) string { // variable. It has the format _ACTIVE_HELP where is the name of the // root command in upper case, with all non-ASCII-alphanumeric characters replaced by `_`. func activeHelpEnvVar(name string) string { - // This format should not be changed: users will be using it explicitly. - activeHelpEnvVar := strings.ToUpper(fmt.Sprintf("%s%s", name, activeHelpEnvVarSuffix)) - activeHelpEnvVar = activeHelpEnvVarPrefixSubstRegexp.ReplaceAllString(activeHelpEnvVar, "_") - return activeHelpEnvVar + return configEnvVar(name, activeHelpEnvVarSuffix) } diff --git a/vendor/github.com/spf13/cobra/args.go b/vendor/github.com/spf13/cobra/args.go index e79ec33a8..ed1e70cea 100644 --- a/vendor/github.com/spf13/cobra/args.go +++ b/vendor/github.com/spf13/cobra/args.go @@ -52,9 +52,9 @@ func OnlyValidArgs(cmd *Command, args []string) error { if len(cmd.ValidArgs) > 0 { // Remove any description that may be included in ValidArgs. // A description is following a tab character. - var validArgs []string + validArgs := make([]string, 0, len(cmd.ValidArgs)) for _, v := range cmd.ValidArgs { - validArgs = append(validArgs, strings.Split(v, "\t")[0]) + validArgs = append(validArgs, strings.SplitN(v, "\t", 2)[0]) } for _, v := range args { if !stringInSlice(v, validArgs) { diff --git a/vendor/github.com/spf13/cobra/bash_completions.go b/vendor/github.com/spf13/cobra/bash_completions.go index 8a5315184..f4d198cbc 100644 --- a/vendor/github.com/spf13/cobra/bash_completions.go +++ b/vendor/github.com/spf13/cobra/bash_completions.go @@ -597,19 +597,16 @@ func writeRequiredFlag(buf io.StringWriter, cmd *Command) { if nonCompletableFlag(flag) { return } - for key := range flag.Annotations { - switch key { - case BashCompOneRequiredFlag: - format := " must_have_one_flag+=(\"--%s" - if flag.Value.Type() != "bool" { - format += "=" - } - format += cbn - WriteStringAndCheck(buf, fmt.Sprintf(format, flag.Name)) - - if len(flag.Shorthand) > 0 { - WriteStringAndCheck(buf, fmt.Sprintf(" must_have_one_flag+=(\"-%s"+cbn, flag.Shorthand)) - } + if _, ok := flag.Annotations[BashCompOneRequiredFlag]; ok { + format := " must_have_one_flag+=(\"--%s" + if flag.Value.Type() != "bool" { + format += "=" + } + format += cbn + WriteStringAndCheck(buf, fmt.Sprintf(format, flag.Name)) + + if len(flag.Shorthand) > 0 { + WriteStringAndCheck(buf, fmt.Sprintf(" must_have_one_flag+=(\"-%s"+cbn, flag.Shorthand)) } } }) @@ -621,7 +618,7 @@ func writeRequiredNouns(buf io.StringWriter, cmd *Command) { for _, value := range cmd.ValidArgs { // Remove any description that may be included following a tab character. // Descriptions are not supported by bash completion. - value = strings.Split(value, "\t")[0] + value = strings.SplitN(value, "\t", 2)[0] WriteStringAndCheck(buf, fmt.Sprintf(" must_have_one_noun+=(%q)\n", value)) } if cmd.ValidArgsFunction != nil { diff --git a/vendor/github.com/spf13/cobra/cobra.go b/vendor/github.com/spf13/cobra/cobra.go index a6b160ce5..e0b0947b0 100644 --- a/vendor/github.com/spf13/cobra/cobra.go +++ b/vendor/github.com/spf13/cobra/cobra.go @@ -193,8 +193,6 @@ func ld(s, t string, ignoreCase bool) int { d := make([][]int, len(s)+1) for i := range d { d[i] = make([]int, len(t)+1) - } - for i := range d { d[i][0] = i } for j := range d[0] { diff --git a/vendor/github.com/spf13/cobra/command.go b/vendor/github.com/spf13/cobra/command.go index 2fbe6c131..54748fc67 100644 --- a/vendor/github.com/spf13/cobra/command.go +++ b/vendor/github.com/spf13/cobra/command.go @@ -154,8 +154,10 @@ type Command struct { // pflags contains persistent flags. pflags *flag.FlagSet // lflags contains local flags. + // This field does not represent internal state, it's used as a cache to optimise LocalFlags function call lflags *flag.FlagSet // iflags contains inherited flags. + // This field does not represent internal state, it's used as a cache to optimise InheritedFlags function call iflags *flag.FlagSet // parentsPflags is all persistent flags of cmd's parents. parentsPflags *flag.FlagSet @@ -706,7 +708,7 @@ Loop: // This is not a flag or a flag value. Check to see if it matches what we're looking for, and if so, // return the args, excluding the one at this position. if s == x { - ret := []string{} + ret := make([]string, 0, len(args)-1) ret = append(ret, args[:pos]...) ret = append(ret, args[pos+1:]...) return ret @@ -754,14 +756,14 @@ func (c *Command) findSuggestions(arg string) string { if c.SuggestionsMinimumDistance <= 0 { c.SuggestionsMinimumDistance = 2 } - suggestionsString := "" + var sb strings.Builder if suggestions := c.SuggestionsFor(arg); len(suggestions) > 0 { - suggestionsString += "\n\nDid you mean this?\n" + sb.WriteString("\n\nDid you mean this?\n") for _, s := range suggestions { - suggestionsString += fmt.Sprintf("\t%v\n", s) + _, _ = fmt.Fprintf(&sb, "\t%v\n", s) } } - return suggestionsString + return sb.String() } func (c *Command) findNext(next string) *Command { @@ -873,7 +875,7 @@ func (c *Command) ArgsLenAtDash() int { func (c *Command) execute(a []string) (err error) { if c == nil { - return fmt.Errorf("Called Execute() on a nil Command") + return fmt.Errorf("called Execute() on a nil Command") } if len(c.Deprecated) > 0 { @@ -1187,10 +1189,11 @@ func (c *Command) InitDefaultHelpFlag() { c.mergePersistentFlags() if c.Flags().Lookup("help") == nil { usage := "help for " - if c.Name() == "" { + name := c.displayName() + if name == "" { usage += "this command" } else { - usage += c.Name() + usage += name } c.Flags().BoolP("help", "h", false, usage) _ = c.Flags().SetAnnotation("help", FlagSetByCobraAnnotation, []string{"true"}) @@ -1236,7 +1239,7 @@ func (c *Command) InitDefaultHelpCmd() { Use: "help [command]", Short: "Help about any command", Long: `Help provides help for any command in the application. -Simply type ` + c.Name() + ` help [path to command] for full details.`, +Simply type ` + c.displayName() + ` help [path to command] for full details.`, ValidArgsFunction: func(c *Command, args []string, toComplete string) ([]string, ShellCompDirective) { var completions []string cmd, _, e := c.Root().Find(args) @@ -1427,6 +1430,10 @@ func (c *Command) CommandPath() string { if c.HasParent() { return c.Parent().CommandPath() + " " + c.Name() } + return c.displayName() +} + +func (c *Command) displayName() string { if displayName, ok := c.Annotations[CommandDisplayNameAnnotation]; ok { return displayName } @@ -1436,10 +1443,11 @@ func (c *Command) CommandPath() string { // UseLine puts out the full usage for a given command (including parents). func (c *Command) UseLine() string { var useline string + use := strings.Replace(c.Use, c.Name(), c.displayName(), 1) if c.HasParent() { - useline = c.parent.CommandPath() + " " + c.Use + useline = c.parent.CommandPath() + " " + use } else { - useline = c.Use + useline = use } if c.DisableFlagsInUseLine { return useline @@ -1452,7 +1460,6 @@ func (c *Command) UseLine() string { // DebugFlags used to determine which flags have been assigned to which commands // and which persist. -// nolint:goconst func (c *Command) DebugFlags() { c.Println("DebugFlags called on", c.Name()) var debugflags func(*Command) @@ -1642,7 +1649,7 @@ func (c *Command) GlobalNormalizationFunc() func(f *flag.FlagSet, name string) f // to this command (local and persistent declared here and by all parents). func (c *Command) Flags() *flag.FlagSet { if c.flags == nil { - c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.flags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) if c.flagErrorBuf == nil { c.flagErrorBuf = new(bytes.Buffer) } @@ -1653,10 +1660,11 @@ func (c *Command) Flags() *flag.FlagSet { } // LocalNonPersistentFlags are flags specific to this command which will NOT persist to subcommands. +// This function does not modify the flags of the current command, it's purpose is to return the current state. func (c *Command) LocalNonPersistentFlags() *flag.FlagSet { persistentFlags := c.PersistentFlags() - out := flag.NewFlagSet(c.Name(), flag.ContinueOnError) + out := flag.NewFlagSet(c.displayName(), flag.ContinueOnError) c.LocalFlags().VisitAll(func(f *flag.Flag) { if persistentFlags.Lookup(f.Name) == nil { out.AddFlag(f) @@ -1666,11 +1674,12 @@ func (c *Command) LocalNonPersistentFlags() *flag.FlagSet { } // LocalFlags returns the local FlagSet specifically set in the current command. +// This function does not modify the flags of the current command, it's purpose is to return the current state. func (c *Command) LocalFlags() *flag.FlagSet { c.mergePersistentFlags() if c.lflags == nil { - c.lflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.lflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) if c.flagErrorBuf == nil { c.flagErrorBuf = new(bytes.Buffer) } @@ -1693,11 +1702,12 @@ func (c *Command) LocalFlags() *flag.FlagSet { } // InheritedFlags returns all flags which were inherited from parent commands. +// This function does not modify the flags of the current command, it's purpose is to return the current state. func (c *Command) InheritedFlags() *flag.FlagSet { c.mergePersistentFlags() if c.iflags == nil { - c.iflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.iflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) if c.flagErrorBuf == nil { c.flagErrorBuf = new(bytes.Buffer) } @@ -1718,6 +1728,7 @@ func (c *Command) InheritedFlags() *flag.FlagSet { } // NonInheritedFlags returns all flags which were not inherited from parent commands. +// This function does not modify the flags of the current command, it's purpose is to return the current state. func (c *Command) NonInheritedFlags() *flag.FlagSet { return c.LocalFlags() } @@ -1725,7 +1736,7 @@ func (c *Command) NonInheritedFlags() *flag.FlagSet { // PersistentFlags returns the persistent FlagSet specifically set in the current command. func (c *Command) PersistentFlags() *flag.FlagSet { if c.pflags == nil { - c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.pflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) if c.flagErrorBuf == nil { c.flagErrorBuf = new(bytes.Buffer) } @@ -1738,9 +1749,9 @@ func (c *Command) PersistentFlags() *flag.FlagSet { func (c *Command) ResetFlags() { c.flagErrorBuf = new(bytes.Buffer) c.flagErrorBuf.Reset() - c.flags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.flags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) c.flags.SetOutput(c.flagErrorBuf) - c.pflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.pflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) c.pflags.SetOutput(c.flagErrorBuf) c.lflags = nil @@ -1857,7 +1868,7 @@ func (c *Command) mergePersistentFlags() { // If c.parentsPflags == nil, it makes new. func (c *Command) updateParentsPflags() { if c.parentsPflags == nil { - c.parentsPflags = flag.NewFlagSet(c.Name(), flag.ContinueOnError) + c.parentsPflags = flag.NewFlagSet(c.displayName(), flag.ContinueOnError) c.parentsPflags.SetOutput(c.flagErrorBuf) c.parentsPflags.SortFlags = false } diff --git a/vendor/github.com/spf13/cobra/completions.go b/vendor/github.com/spf13/cobra/completions.go index b60f6b200..c0c08b057 100644 --- a/vendor/github.com/spf13/cobra/completions.go +++ b/vendor/github.com/spf13/cobra/completions.go @@ -17,6 +17,8 @@ package cobra import ( "fmt" "os" + "regexp" + "strconv" "strings" "sync" @@ -211,24 +213,29 @@ func (c *Command) initCompleteCmd(args []string) { // 2- Even without completions, we need to print the directive } - noDescriptions := (cmd.CalledAs() == ShellCompNoDescRequestCmd) + noDescriptions := cmd.CalledAs() == ShellCompNoDescRequestCmd + if !noDescriptions { + if doDescriptions, err := strconv.ParseBool(getEnvConfig(cmd, configEnvVarSuffixDescriptions)); err == nil { + noDescriptions = !doDescriptions + } + } + noActiveHelp := GetActiveHelpConfig(finalCmd) == activeHelpGlobalDisable + out := finalCmd.OutOrStdout() for _, comp := range completions { - if GetActiveHelpConfig(finalCmd) == activeHelpGlobalDisable { - // Remove all activeHelp entries in this case - if strings.HasPrefix(comp, activeHelpMarker) { - continue - } + if noActiveHelp && strings.HasPrefix(comp, activeHelpMarker) { + // Remove all activeHelp entries if it's disabled. + continue } if noDescriptions { // Remove any description that may be included following a tab character. - comp = strings.Split(comp, "\t")[0] + comp = strings.SplitN(comp, "\t", 2)[0] } // Make sure we only write the first line to the output. // This is needed if a description contains a linebreak. // Otherwise the shell scripts will interpret the other lines as new flags // and could therefore provide a wrong completion. - comp = strings.Split(comp, "\n")[0] + comp = strings.SplitN(comp, "\n", 2)[0] // Finally trim the completion. This is especially important to get rid // of a trailing tab when there are no description following it. @@ -237,14 +244,14 @@ func (c *Command) initCompleteCmd(args []string) { // although there is no description). comp = strings.TrimSpace(comp) - // Print each possible completion to stdout for the completion script to consume. - fmt.Fprintln(finalCmd.OutOrStdout(), comp) + // Print each possible completion to the output for the completion script to consume. + fmt.Fprintln(out, comp) } // As the last printout, print the completion directive for the completion script to parse. // The directive integer must be that last character following a single colon (:). // The completion script expects : - fmt.Fprintf(finalCmd.OutOrStdout(), ":%d\n", directive) + fmt.Fprintf(out, ":%d\n", directive) // Print some helpful info to stderr for the user to understand. // Output from stderr must be ignored by the completion script. @@ -291,7 +298,7 @@ func (c *Command) getCompletions(args []string) (*Command, []string, ShellCompDi } if err != nil { // Unable to find the real command. E.g., someInvalidCmd - return c, []string{}, ShellCompDirectiveDefault, fmt.Errorf("Unable to find a command for arguments: %v", trimmedArgs) + return c, []string{}, ShellCompDirectiveDefault, fmt.Errorf("unable to find a command for arguments: %v", trimmedArgs) } finalCmd.ctx = c.ctx @@ -899,3 +906,34 @@ func CompError(msg string) { func CompErrorln(msg string) { CompError(fmt.Sprintf("%s\n", msg)) } + +// These values should not be changed: users will be using them explicitly. +const ( + configEnvVarGlobalPrefix = "COBRA" + configEnvVarSuffixDescriptions = "COMPLETION_DESCRIPTIONS" +) + +var configEnvVarPrefixSubstRegexp = regexp.MustCompile(`[^A-Z0-9_]`) + +// configEnvVar returns the name of the program-specific configuration environment +// variable. It has the format _ where is the name of the +// root command in upper case, with all non-ASCII-alphanumeric characters replaced by `_`. +func configEnvVar(name, suffix string) string { + // This format should not be changed: users will be using it explicitly. + v := strings.ToUpper(fmt.Sprintf("%s_%s", name, suffix)) + v = configEnvVarPrefixSubstRegexp.ReplaceAllString(v, "_") + return v +} + +// getEnvConfig returns the value of the configuration environment variable +// _ where is the name of the root command in upper +// case, with all non-ASCII-alphanumeric characters replaced by `_`. +// If the value is empty or not set, the value of the environment variable +// COBRA_ is returned instead. +func getEnvConfig(cmd *Command, suffix string) string { + v := os.Getenv(configEnvVar(cmd.Root().Name(), suffix)) + if v == "" { + v = os.Getenv(configEnvVar(configEnvVarGlobalPrefix, suffix)) + } + return v +} diff --git a/vendor/github.com/spf13/cobra/doc/man_docs.go b/vendor/github.com/spf13/cobra/doc/man_docs.go new file mode 100644 index 000000000..2138f2488 --- /dev/null +++ b/vendor/github.com/spf13/cobra/doc/man_docs.go @@ -0,0 +1,246 @@ +// Copyright 2013-2023 The Cobra Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package doc + +import ( + "bytes" + "fmt" + "io" + "os" + "path/filepath" + "sort" + "strconv" + "strings" + "time" + + "github.com/cpuguy83/go-md2man/v2/md2man" + "github.com/spf13/cobra" + "github.com/spf13/pflag" +) + +// GenManTree will generate a man page for this command and all descendants +// in the directory given. The header may be nil. This function may not work +// correctly if your command names have `-` in them. If you have `cmd` with two +// subcmds, `sub` and `sub-third`, and `sub` has a subcommand called `third` +// it is undefined which help output will be in the file `cmd-sub-third.1`. +func GenManTree(cmd *cobra.Command, header *GenManHeader, dir string) error { + return GenManTreeFromOpts(cmd, GenManTreeOptions{ + Header: header, + Path: dir, + CommandSeparator: "-", + }) +} + +// GenManTreeFromOpts generates a man page for the command and all descendants. +// The pages are written to the opts.Path directory. +func GenManTreeFromOpts(cmd *cobra.Command, opts GenManTreeOptions) error { + header := opts.Header + if header == nil { + header = &GenManHeader{} + } + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() { + continue + } + if err := GenManTreeFromOpts(c, opts); err != nil { + return err + } + } + section := "1" + if header.Section != "" { + section = header.Section + } + + separator := "_" + if opts.CommandSeparator != "" { + separator = opts.CommandSeparator + } + basename := strings.ReplaceAll(cmd.CommandPath(), " ", separator) + filename := filepath.Join(opts.Path, basename+"."+section) + f, err := os.Create(filename) + if err != nil { + return err + } + defer f.Close() + + headerCopy := *header + return GenMan(cmd, &headerCopy, f) +} + +// GenManTreeOptions is the options for generating the man pages. +// Used only in GenManTreeFromOpts. +type GenManTreeOptions struct { + Header *GenManHeader + Path string + CommandSeparator string +} + +// GenManHeader is a lot like the .TH header at the start of man pages. These +// include the title, section, date, source, and manual. We will use the +// current time if Date is unset and will use "Auto generated by spf13/cobra" +// if the Source is unset. +type GenManHeader struct { + Title string + Section string + Date *time.Time + date string + Source string + Manual string +} + +// GenMan will generate a man page for the given command and write it to +// w. The header argument may be nil, however obviously w may not. +func GenMan(cmd *cobra.Command, header *GenManHeader, w io.Writer) error { + if header == nil { + header = &GenManHeader{} + } + if err := fillHeader(header, cmd.CommandPath(), cmd.DisableAutoGenTag); err != nil { + return err + } + + b := genMan(cmd, header) + _, err := w.Write(md2man.Render(b)) + return err +} + +func fillHeader(header *GenManHeader, name string, disableAutoGen bool) error { + if header.Title == "" { + header.Title = strings.ToUpper(strings.ReplaceAll(name, " ", "\\-")) + } + if header.Section == "" { + header.Section = "1" + } + if header.Date == nil { + now := time.Now() + if epoch := os.Getenv("SOURCE_DATE_EPOCH"); epoch != "" { + unixEpoch, err := strconv.ParseInt(epoch, 10, 64) + if err != nil { + return fmt.Errorf("invalid SOURCE_DATE_EPOCH: %v", err) + } + now = time.Unix(unixEpoch, 0) + } + header.Date = &now + } + header.date = header.Date.Format("Jan 2006") + if header.Source == "" && !disableAutoGen { + header.Source = "Auto generated by spf13/cobra" + } + return nil +} + +func manPreamble(buf io.StringWriter, header *GenManHeader, cmd *cobra.Command, dashedName string) { + description := cmd.Long + if len(description) == 0 { + description = cmd.Short + } + + cobra.WriteStringAndCheck(buf, fmt.Sprintf(`%% "%s" "%s" "%s" "%s" "%s" +# NAME +`, header.Title, header.Section, header.date, header.Source, header.Manual)) + cobra.WriteStringAndCheck(buf, fmt.Sprintf("%s \\- %s\n\n", dashedName, cmd.Short)) + cobra.WriteStringAndCheck(buf, "# SYNOPSIS\n") + cobra.WriteStringAndCheck(buf, fmt.Sprintf("**%s**\n\n", cmd.UseLine())) + cobra.WriteStringAndCheck(buf, "# DESCRIPTION\n") + cobra.WriteStringAndCheck(buf, description+"\n\n") +} + +func manPrintFlags(buf io.StringWriter, flags *pflag.FlagSet) { + flags.VisitAll(func(flag *pflag.Flag) { + if len(flag.Deprecated) > 0 || flag.Hidden { + return + } + format := "" + if len(flag.Shorthand) > 0 && len(flag.ShorthandDeprecated) == 0 { + format = fmt.Sprintf("**-%s**, **--%s**", flag.Shorthand, flag.Name) + } else { + format = fmt.Sprintf("**--%s**", flag.Name) + } + if len(flag.NoOptDefVal) > 0 { + format += "[" + } + if flag.Value.Type() == "string" { + // put quotes on the value + format += "=%q" + } else { + format += "=%s" + } + if len(flag.NoOptDefVal) > 0 { + format += "]" + } + format += "\n\t%s\n\n" + cobra.WriteStringAndCheck(buf, fmt.Sprintf(format, flag.DefValue, flag.Usage)) + }) +} + +func manPrintOptions(buf io.StringWriter, command *cobra.Command) { + flags := command.NonInheritedFlags() + if flags.HasAvailableFlags() { + cobra.WriteStringAndCheck(buf, "# OPTIONS\n") + manPrintFlags(buf, flags) + cobra.WriteStringAndCheck(buf, "\n") + } + flags = command.InheritedFlags() + if flags.HasAvailableFlags() { + cobra.WriteStringAndCheck(buf, "# OPTIONS INHERITED FROM PARENT COMMANDS\n") + manPrintFlags(buf, flags) + cobra.WriteStringAndCheck(buf, "\n") + } +} + +func genMan(cmd *cobra.Command, header *GenManHeader) []byte { + cmd.InitDefaultHelpCmd() + cmd.InitDefaultHelpFlag() + + // something like `rootcmd-subcmd1-subcmd2` + dashCommandName := strings.ReplaceAll(cmd.CommandPath(), " ", "-") + + buf := new(bytes.Buffer) + + manPreamble(buf, header, cmd, dashCommandName) + manPrintOptions(buf, cmd) + if len(cmd.Example) > 0 { + buf.WriteString("# EXAMPLE\n") + buf.WriteString(fmt.Sprintf("```\n%s\n```\n", cmd.Example)) + } + if hasSeeAlso(cmd) { + buf.WriteString("# SEE ALSO\n") + seealsos := make([]string, 0) + if cmd.HasParent() { + parentPath := cmd.Parent().CommandPath() + dashParentPath := strings.ReplaceAll(parentPath, " ", "-") + seealso := fmt.Sprintf("**%s(%s)**", dashParentPath, header.Section) + seealsos = append(seealsos, seealso) + cmd.VisitParents(func(c *cobra.Command) { + if c.DisableAutoGenTag { + cmd.DisableAutoGenTag = c.DisableAutoGenTag + } + }) + } + children := cmd.Commands() + sort.Sort(byName(children)) + for _, c := range children { + if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() { + continue + } + seealso := fmt.Sprintf("**%s-%s(%s)**", dashCommandName, c.Name(), header.Section) + seealsos = append(seealsos, seealso) + } + buf.WriteString(strings.Join(seealsos, ", ") + "\n") + } + if !cmd.DisableAutoGenTag { + buf.WriteString(fmt.Sprintf("# HISTORY\n%s Auto generated by spf13/cobra\n", header.Date.Format("2-Jan-2006"))) + } + return buf.Bytes() +} diff --git a/vendor/github.com/spf13/cobra/doc/md_docs.go b/vendor/github.com/spf13/cobra/doc/md_docs.go new file mode 100644 index 000000000..12592223b --- /dev/null +++ b/vendor/github.com/spf13/cobra/doc/md_docs.go @@ -0,0 +1,158 @@ +// Copyright 2013-2023 The Cobra Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package doc + +import ( + "bytes" + "fmt" + "io" + "os" + "path/filepath" + "sort" + "strings" + "time" + + "github.com/spf13/cobra" +) + +const markdownExtension = ".md" + +func printOptions(buf *bytes.Buffer, cmd *cobra.Command, name string) error { + flags := cmd.NonInheritedFlags() + flags.SetOutput(buf) + if flags.HasAvailableFlags() { + buf.WriteString("### Options\n\n```\n") + flags.PrintDefaults() + buf.WriteString("```\n\n") + } + + parentFlags := cmd.InheritedFlags() + parentFlags.SetOutput(buf) + if parentFlags.HasAvailableFlags() { + buf.WriteString("### Options inherited from parent commands\n\n```\n") + parentFlags.PrintDefaults() + buf.WriteString("```\n\n") + } + return nil +} + +// GenMarkdown creates markdown output. +func GenMarkdown(cmd *cobra.Command, w io.Writer) error { + return GenMarkdownCustom(cmd, w, func(s string) string { return s }) +} + +// GenMarkdownCustom creates custom markdown output. +func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) string) error { + cmd.InitDefaultHelpCmd() + cmd.InitDefaultHelpFlag() + + buf := new(bytes.Buffer) + name := cmd.CommandPath() + + buf.WriteString("## " + name + "\n\n") + buf.WriteString(cmd.Short + "\n\n") + if len(cmd.Long) > 0 { + buf.WriteString("### Synopsis\n\n") + buf.WriteString(cmd.Long + "\n\n") + } + + if cmd.Runnable() { + buf.WriteString(fmt.Sprintf("```\n%s\n```\n\n", cmd.UseLine())) + } + + if len(cmd.Example) > 0 { + buf.WriteString("### Examples\n\n") + buf.WriteString(fmt.Sprintf("```\n%s\n```\n\n", cmd.Example)) + } + + if err := printOptions(buf, cmd, name); err != nil { + return err + } + if hasSeeAlso(cmd) { + buf.WriteString("### SEE ALSO\n\n") + if cmd.HasParent() { + parent := cmd.Parent() + pname := parent.CommandPath() + link := pname + markdownExtension + link = strings.ReplaceAll(link, " ", "_") + buf.WriteString(fmt.Sprintf("* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short)) + cmd.VisitParents(func(c *cobra.Command) { + if c.DisableAutoGenTag { + cmd.DisableAutoGenTag = c.DisableAutoGenTag + } + }) + } + + children := cmd.Commands() + sort.Sort(byName(children)) + + for _, child := range children { + if !child.IsAvailableCommand() || child.IsAdditionalHelpTopicCommand() { + continue + } + cname := name + " " + child.Name() + link := cname + markdownExtension + link = strings.ReplaceAll(link, " ", "_") + buf.WriteString(fmt.Sprintf("* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short)) + } + buf.WriteString("\n") + } + if !cmd.DisableAutoGenTag { + buf.WriteString("###### Auto generated by spf13/cobra on " + time.Now().Format("2-Jan-2006") + "\n") + } + _, err := buf.WriteTo(w) + return err +} + +// GenMarkdownTree will generate a markdown page for this command and all +// descendants in the directory given. The header may be nil. +// This function may not work correctly if your command names have `-` in them. +// If you have `cmd` with two subcmds, `sub` and `sub-third`, +// and `sub` has a subcommand called `third`, it is undefined which +// help output will be in the file `cmd-sub-third.1`. +func GenMarkdownTree(cmd *cobra.Command, dir string) error { + identity := func(s string) string { return s } + emptyStr := func(s string) string { return "" } + return GenMarkdownTreeCustom(cmd, dir, emptyStr, identity) +} + +// GenMarkdownTreeCustom is the same as GenMarkdownTree, but +// with custom filePrepender and linkHandler. +func GenMarkdownTreeCustom(cmd *cobra.Command, dir string, filePrepender, linkHandler func(string) string) error { + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() { + continue + } + if err := GenMarkdownTreeCustom(c, dir, filePrepender, linkHandler); err != nil { + return err + } + } + + basename := strings.ReplaceAll(cmd.CommandPath(), " ", "_") + markdownExtension + filename := filepath.Join(dir, basename) + f, err := os.Create(filename) + if err != nil { + return err + } + defer f.Close() + + if _, err := io.WriteString(f, filePrepender(filename)); err != nil { + return err + } + if err := GenMarkdownCustom(cmd, f, linkHandler); err != nil { + return err + } + return nil +} diff --git a/vendor/github.com/spf13/cobra/doc/rest_docs.go b/vendor/github.com/spf13/cobra/doc/rest_docs.go new file mode 100644 index 000000000..c33acc2ba --- /dev/null +++ b/vendor/github.com/spf13/cobra/doc/rest_docs.go @@ -0,0 +1,186 @@ +// Copyright 2013-2023 The Cobra Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package doc + +import ( + "bytes" + "fmt" + "io" + "os" + "path/filepath" + "sort" + "strings" + "time" + + "github.com/spf13/cobra" +) + +func printOptionsReST(buf *bytes.Buffer, cmd *cobra.Command, name string) error { + flags := cmd.NonInheritedFlags() + flags.SetOutput(buf) + if flags.HasAvailableFlags() { + buf.WriteString("Options\n") + buf.WriteString("~~~~~~~\n\n::\n\n") + flags.PrintDefaults() + buf.WriteString("\n") + } + + parentFlags := cmd.InheritedFlags() + parentFlags.SetOutput(buf) + if parentFlags.HasAvailableFlags() { + buf.WriteString("Options inherited from parent commands\n") + buf.WriteString("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n\n::\n\n") + parentFlags.PrintDefaults() + buf.WriteString("\n") + } + return nil +} + +// defaultLinkHandler for default ReST hyperlink markup +func defaultLinkHandler(name, ref string) string { + return fmt.Sprintf("`%s <%s.rst>`_", name, ref) +} + +// GenReST creates reStructured Text output. +func GenReST(cmd *cobra.Command, w io.Writer) error { + return GenReSTCustom(cmd, w, defaultLinkHandler) +} + +// GenReSTCustom creates custom reStructured Text output. +func GenReSTCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string, string) string) error { + cmd.InitDefaultHelpCmd() + cmd.InitDefaultHelpFlag() + + buf := new(bytes.Buffer) + name := cmd.CommandPath() + + short := cmd.Short + long := cmd.Long + if len(long) == 0 { + long = short + } + ref := strings.ReplaceAll(name, " ", "_") + + buf.WriteString(".. _" + ref + ":\n\n") + buf.WriteString(name + "\n") + buf.WriteString(strings.Repeat("-", len(name)) + "\n\n") + buf.WriteString(short + "\n\n") + buf.WriteString("Synopsis\n") + buf.WriteString("~~~~~~~~\n\n") + buf.WriteString("\n" + long + "\n\n") + + if cmd.Runnable() { + buf.WriteString(fmt.Sprintf("::\n\n %s\n\n", cmd.UseLine())) + } + + if len(cmd.Example) > 0 { + buf.WriteString("Examples\n") + buf.WriteString("~~~~~~~~\n\n") + buf.WriteString(fmt.Sprintf("::\n\n%s\n\n", indentString(cmd.Example, " "))) + } + + if err := printOptionsReST(buf, cmd, name); err != nil { + return err + } + if hasSeeAlso(cmd) { + buf.WriteString("SEE ALSO\n") + buf.WriteString("~~~~~~~~\n\n") + if cmd.HasParent() { + parent := cmd.Parent() + pname := parent.CommandPath() + ref = strings.ReplaceAll(pname, " ", "_") + buf.WriteString(fmt.Sprintf("* %s \t - %s\n", linkHandler(pname, ref), parent.Short)) + cmd.VisitParents(func(c *cobra.Command) { + if c.DisableAutoGenTag { + cmd.DisableAutoGenTag = c.DisableAutoGenTag + } + }) + } + + children := cmd.Commands() + sort.Sort(byName(children)) + + for _, child := range children { + if !child.IsAvailableCommand() || child.IsAdditionalHelpTopicCommand() { + continue + } + cname := name + " " + child.Name() + ref = strings.ReplaceAll(cname, " ", "_") + buf.WriteString(fmt.Sprintf("* %s \t - %s\n", linkHandler(cname, ref), child.Short)) + } + buf.WriteString("\n") + } + if !cmd.DisableAutoGenTag { + buf.WriteString("*Auto generated by spf13/cobra on " + time.Now().Format("2-Jan-2006") + "*\n") + } + _, err := buf.WriteTo(w) + return err +} + +// GenReSTTree will generate a ReST page for this command and all +// descendants in the directory given. +// This function may not work correctly if your command names have `-` in them. +// If you have `cmd` with two subcmds, `sub` and `sub-third`, +// and `sub` has a subcommand called `third`, it is undefined which +// help output will be in the file `cmd-sub-third.1`. +func GenReSTTree(cmd *cobra.Command, dir string) error { + emptyStr := func(s string) string { return "" } + return GenReSTTreeCustom(cmd, dir, emptyStr, defaultLinkHandler) +} + +// GenReSTTreeCustom is the same as GenReSTTree, but +// with custom filePrepender and linkHandler. +func GenReSTTreeCustom(cmd *cobra.Command, dir string, filePrepender func(string) string, linkHandler func(string, string) string) error { + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() { + continue + } + if err := GenReSTTreeCustom(c, dir, filePrepender, linkHandler); err != nil { + return err + } + } + + basename := strings.ReplaceAll(cmd.CommandPath(), " ", "_") + ".rst" + filename := filepath.Join(dir, basename) + f, err := os.Create(filename) + if err != nil { + return err + } + defer f.Close() + + if _, err := io.WriteString(f, filePrepender(filename)); err != nil { + return err + } + if err := GenReSTCustom(cmd, f, linkHandler); err != nil { + return err + } + return nil +} + +// indentString adapted from: https://github.com/kr/text/blob/main/indent.go +func indentString(s, p string) string { + var res []byte + b := []byte(s) + prefix := []byte(p) + bol := true + for _, c := range b { + if bol && c != '\n' { + res = append(res, prefix...) + } + res = append(res, c) + bol = c == '\n' + } + return string(res) +} diff --git a/vendor/github.com/spf13/cobra/doc/util.go b/vendor/github.com/spf13/cobra/doc/util.go new file mode 100644 index 000000000..4de4ceee8 --- /dev/null +++ b/vendor/github.com/spf13/cobra/doc/util.go @@ -0,0 +1,52 @@ +// Copyright 2013-2023 The Cobra Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package doc + +import ( + "strings" + + "github.com/spf13/cobra" +) + +// Test to see if we have a reason to print See Also information in docs +// Basically this is a test for a parent command or a subcommand which is +// both not deprecated and not the autogenerated help command. +func hasSeeAlso(cmd *cobra.Command) bool { + if cmd.HasParent() { + return true + } + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() { + continue + } + return true + } + return false +} + +// Temporary workaround for yaml lib generating incorrect yaml with long strings +// that do not contain \n. +func forceMultiLine(s string) string { + if len(s) > 60 && !strings.Contains(s, "\n") { + s += "\n" + } + return s +} + +type byName []*cobra.Command + +func (s byName) Len() int { return len(s) } +func (s byName) Swap(i, j int) { s[i], s[j] = s[j], s[i] } +func (s byName) Less(i, j int) bool { return s[i].Name() < s[j].Name() } diff --git a/vendor/github.com/spf13/cobra/doc/yaml_docs.go b/vendor/github.com/spf13/cobra/doc/yaml_docs.go new file mode 100644 index 000000000..2b26d6ec0 --- /dev/null +++ b/vendor/github.com/spf13/cobra/doc/yaml_docs.go @@ -0,0 +1,175 @@ +// Copyright 2013-2023 The Cobra Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package doc + +import ( + "fmt" + "io" + "os" + "path/filepath" + "sort" + "strings" + + "github.com/spf13/cobra" + "github.com/spf13/pflag" + "gopkg.in/yaml.v3" +) + +type cmdOption struct { + Name string + Shorthand string `yaml:",omitempty"` + DefaultValue string `yaml:"default_value,omitempty"` + Usage string `yaml:",omitempty"` +} + +type cmdDoc struct { + Name string + Synopsis string `yaml:",omitempty"` + Description string `yaml:",omitempty"` + Usage string `yaml:",omitempty"` + Options []cmdOption `yaml:",omitempty"` + InheritedOptions []cmdOption `yaml:"inherited_options,omitempty"` + Example string `yaml:",omitempty"` + SeeAlso []string `yaml:"see_also,omitempty"` +} + +// GenYamlTree creates yaml structured ref files for this command and all descendants +// in the directory given. This function may not work +// correctly if your command names have `-` in them. If you have `cmd` with two +// subcmds, `sub` and `sub-third`, and `sub` has a subcommand called `third` +// it is undefined which help output will be in the file `cmd-sub-third.1`. +func GenYamlTree(cmd *cobra.Command, dir string) error { + identity := func(s string) string { return s } + emptyStr := func(s string) string { return "" } + return GenYamlTreeCustom(cmd, dir, emptyStr, identity) +} + +// GenYamlTreeCustom creates yaml structured ref files. +func GenYamlTreeCustom(cmd *cobra.Command, dir string, filePrepender, linkHandler func(string) string) error { + for _, c := range cmd.Commands() { + if !c.IsAvailableCommand() || c.IsAdditionalHelpTopicCommand() { + continue + } + if err := GenYamlTreeCustom(c, dir, filePrepender, linkHandler); err != nil { + return err + } + } + + basename := strings.ReplaceAll(cmd.CommandPath(), " ", "_") + ".yaml" + filename := filepath.Join(dir, basename) + f, err := os.Create(filename) + if err != nil { + return err + } + defer f.Close() + + if _, err := io.WriteString(f, filePrepender(filename)); err != nil { + return err + } + if err := GenYamlCustom(cmd, f, linkHandler); err != nil { + return err + } + return nil +} + +// GenYaml creates yaml output. +func GenYaml(cmd *cobra.Command, w io.Writer) error { + return GenYamlCustom(cmd, w, func(s string) string { return s }) +} + +// GenYamlCustom creates custom yaml output. +func GenYamlCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) string) error { + cmd.InitDefaultHelpCmd() + cmd.InitDefaultHelpFlag() + + yamlDoc := cmdDoc{} + yamlDoc.Name = cmd.CommandPath() + + yamlDoc.Synopsis = forceMultiLine(cmd.Short) + yamlDoc.Description = forceMultiLine(cmd.Long) + + if cmd.Runnable() { + yamlDoc.Usage = cmd.UseLine() + } + + if len(cmd.Example) > 0 { + yamlDoc.Example = cmd.Example + } + + flags := cmd.NonInheritedFlags() + if flags.HasFlags() { + yamlDoc.Options = genFlagResult(flags) + } + flags = cmd.InheritedFlags() + if flags.HasFlags() { + yamlDoc.InheritedOptions = genFlagResult(flags) + } + + if hasSeeAlso(cmd) { + result := []string{} + if cmd.HasParent() { + parent := cmd.Parent() + result = append(result, parent.CommandPath()+" - "+parent.Short) + } + children := cmd.Commands() + sort.Sort(byName(children)) + for _, child := range children { + if !child.IsAvailableCommand() || child.IsAdditionalHelpTopicCommand() { + continue + } + result = append(result, child.CommandPath()+" - "+child.Short) + } + yamlDoc.SeeAlso = result + } + + final, err := yaml.Marshal(&yamlDoc) + if err != nil { + fmt.Println(err) + os.Exit(1) + } + + if _, err := w.Write(final); err != nil { + return err + } + return nil +} + +func genFlagResult(flags *pflag.FlagSet) []cmdOption { + var result []cmdOption + + flags.VisitAll(func(flag *pflag.Flag) { + // Todo, when we mark a shorthand is deprecated, but specify an empty message. + // The flag.ShorthandDeprecated is empty as the shorthand is deprecated. + // Using len(flag.ShorthandDeprecated) > 0 can't handle this, others are ok. + if !(len(flag.ShorthandDeprecated) > 0) && len(flag.Shorthand) > 0 { + opt := cmdOption{ + flag.Name, + flag.Shorthand, + flag.DefValue, + forceMultiLine(flag.Usage), + } + result = append(result, opt) + } else { + opt := cmdOption{ + Name: flag.Name, + DefaultValue: forceMultiLine(flag.DefValue), + Usage: forceMultiLine(flag.Usage), + } + result = append(result, opt) + } + }) + + return result +} diff --git a/vendor/github.com/spf13/cobra/flag_groups.go b/vendor/github.com/spf13/cobra/flag_groups.go index 0671ec5f2..560612fd3 100644 --- a/vendor/github.com/spf13/cobra/flag_groups.go +++ b/vendor/github.com/spf13/cobra/flag_groups.go @@ -23,9 +23,9 @@ import ( ) const ( - requiredAsGroup = "cobra_annotation_required_if_others_set" - oneRequired = "cobra_annotation_one_required" - mutuallyExclusive = "cobra_annotation_mutually_exclusive" + requiredAsGroupAnnotation = "cobra_annotation_required_if_others_set" + oneRequiredAnnotation = "cobra_annotation_one_required" + mutuallyExclusiveAnnotation = "cobra_annotation_mutually_exclusive" ) // MarkFlagsRequiredTogether marks the given flags with annotations so that Cobra errors @@ -37,7 +37,7 @@ func (c *Command) MarkFlagsRequiredTogether(flagNames ...string) { if f == nil { panic(fmt.Sprintf("Failed to find flag %q and mark it as being required in a flag group", v)) } - if err := c.Flags().SetAnnotation(v, requiredAsGroup, append(f.Annotations[requiredAsGroup], strings.Join(flagNames, " "))); err != nil { + if err := c.Flags().SetAnnotation(v, requiredAsGroupAnnotation, append(f.Annotations[requiredAsGroupAnnotation], strings.Join(flagNames, " "))); err != nil { // Only errs if the flag isn't found. panic(err) } @@ -53,7 +53,7 @@ func (c *Command) MarkFlagsOneRequired(flagNames ...string) { if f == nil { panic(fmt.Sprintf("Failed to find flag %q and mark it as being in a one-required flag group", v)) } - if err := c.Flags().SetAnnotation(v, oneRequired, append(f.Annotations[oneRequired], strings.Join(flagNames, " "))); err != nil { + if err := c.Flags().SetAnnotation(v, oneRequiredAnnotation, append(f.Annotations[oneRequiredAnnotation], strings.Join(flagNames, " "))); err != nil { // Only errs if the flag isn't found. panic(err) } @@ -70,7 +70,7 @@ func (c *Command) MarkFlagsMutuallyExclusive(flagNames ...string) { panic(fmt.Sprintf("Failed to find flag %q and mark it as being in a mutually exclusive flag group", v)) } // Each time this is called is a single new entry; this allows it to be a member of multiple groups if needed. - if err := c.Flags().SetAnnotation(v, mutuallyExclusive, append(f.Annotations[mutuallyExclusive], strings.Join(flagNames, " "))); err != nil { + if err := c.Flags().SetAnnotation(v, mutuallyExclusiveAnnotation, append(f.Annotations[mutuallyExclusiveAnnotation], strings.Join(flagNames, " "))); err != nil { panic(err) } } @@ -91,9 +91,9 @@ func (c *Command) ValidateFlagGroups() error { oneRequiredGroupStatus := map[string]map[string]bool{} mutuallyExclusiveGroupStatus := map[string]map[string]bool{} flags.VisitAll(func(pflag *flag.Flag) { - processFlagForGroupAnnotation(flags, pflag, requiredAsGroup, groupStatus) - processFlagForGroupAnnotation(flags, pflag, oneRequired, oneRequiredGroupStatus) - processFlagForGroupAnnotation(flags, pflag, mutuallyExclusive, mutuallyExclusiveGroupStatus) + processFlagForGroupAnnotation(flags, pflag, requiredAsGroupAnnotation, groupStatus) + processFlagForGroupAnnotation(flags, pflag, oneRequiredAnnotation, oneRequiredGroupStatus) + processFlagForGroupAnnotation(flags, pflag, mutuallyExclusiveAnnotation, mutuallyExclusiveGroupStatus) }) if err := validateRequiredFlagGroups(groupStatus); err != nil { @@ -130,7 +130,7 @@ func processFlagForGroupAnnotation(flags *flag.FlagSet, pflag *flag.Flag, annota continue } - groupStatus[group] = map[string]bool{} + groupStatus[group] = make(map[string]bool, len(flagnames)) for _, name := range flagnames { groupStatus[group][name] = false } @@ -232,9 +232,9 @@ func (c *Command) enforceFlagGroupsForCompletion() { oneRequiredGroupStatus := map[string]map[string]bool{} mutuallyExclusiveGroupStatus := map[string]map[string]bool{} c.Flags().VisitAll(func(pflag *flag.Flag) { - processFlagForGroupAnnotation(flags, pflag, requiredAsGroup, groupStatus) - processFlagForGroupAnnotation(flags, pflag, oneRequired, oneRequiredGroupStatus) - processFlagForGroupAnnotation(flags, pflag, mutuallyExclusive, mutuallyExclusiveGroupStatus) + processFlagForGroupAnnotation(flags, pflag, requiredAsGroupAnnotation, groupStatus) + processFlagForGroupAnnotation(flags, pflag, oneRequiredAnnotation, oneRequiredGroupStatus) + processFlagForGroupAnnotation(flags, pflag, mutuallyExclusiveAnnotation, mutuallyExclusiveGroupStatus) }) // If a flag that is part of a group is present, we make all the other flags @@ -253,17 +253,17 @@ func (c *Command) enforceFlagGroupsForCompletion() { // If none of the flags of a one-required group are present, we make all the flags // of that group required so that the shell completion suggests them automatically for flagList, flagnameAndStatus := range oneRequiredGroupStatus { - set := 0 + isSet := false - for _, isSet := range flagnameAndStatus { + for _, isSet = range flagnameAndStatus { if isSet { - set++ + break } } // None of the flags of the group are set, mark all flags in the group // as required - if set == 0 { + if !isSet { for _, fName := range strings.Split(flagList, " ") { _ = c.MarkFlagRequired(fName) } diff --git a/vendor/github.com/spf13/cobra/powershell_completions.go b/vendor/github.com/spf13/cobra/powershell_completions.go index 551951939..a830b7bca 100644 --- a/vendor/github.com/spf13/cobra/powershell_completions.go +++ b/vendor/github.com/spf13/cobra/powershell_completions.go @@ -28,8 +28,8 @@ import ( func genPowerShellComp(buf io.StringWriter, name string, includeDesc bool) { // Variables should not contain a '-' or ':' character nameForVar := name - nameForVar = strings.Replace(nameForVar, "-", "_", -1) - nameForVar = strings.Replace(nameForVar, ":", "_", -1) + nameForVar = strings.ReplaceAll(nameForVar, "-", "_") + nameForVar = strings.ReplaceAll(nameForVar, ":", "_") compCmd := ShellCompRequestCmd if !includeDesc { diff --git a/vendor/modules.txt b/vendor/modules.txt index 905a36301..e26dcbec3 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -14,6 +14,9 @@ github.com/cilium/fake # github.com/cjrd/allocate v0.0.0-20220510215731-986f24f0fb18 ## explicit github.com/cjrd/allocate +# github.com/cpuguy83/go-md2man/v2 v2.0.4 +## explicit; go 1.11 +github.com/cpuguy83/go-md2man/v2/md2man # github.com/davecgh/go-spew v1.1.1 ## explicit github.com/davecgh/go-spew/spew @@ -142,6 +145,9 @@ github.com/pmezard/go-difflib/difflib # github.com/rivo/uniseg v0.4.4 ## explicit; go 1.18 github.com/rivo/uniseg +# github.com/russross/blackfriday/v2 v2.1.0 +## explicit +github.com/russross/blackfriday/v2 # github.com/spf13/afero v1.9.5 ## explicit; go 1.16 github.com/spf13/afero @@ -150,9 +156,10 @@ github.com/spf13/afero/mem # github.com/spf13/cast v1.5.1 ## explicit; go 1.18 github.com/spf13/cast -# github.com/spf13/cobra v1.8.0 +# github.com/spf13/cobra v1.8.1 ## explicit; go 1.15 github.com/spf13/cobra +github.com/spf13/cobra/doc # github.com/spf13/jwalterweatherman v1.1.0 ## explicit github.com/spf13/jwalterweatherman