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helm-c-yasnippet.el
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helm-c-yasnippet.el
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;;; helm-c-yasnippet.el --- helm source for yasnippet.el -*- lexical-binding: t -*-
;; Copyright (C) 2008, 2009, 2010, 2011 Kenji.I (Kenji Imakado) <[email protected]>
;; Copyright (C) 2012,2013 Yuhei Maeda <yuhei.maeda_at_gmail.com>
;; Copyright (C) 2014 Yuhei Maeda <yuhei.maeda_at_gmail.com>, Yasuyuki Oka <yasuyk_at_gmail.com>
;; Author: Kenji.I (Kenji Imakado) <[email protected]>
;; Version: 0.6.7
;; Package-Requires: ((emacs "25.1") (helm "1.7.7") (yasnippet "0.8.0"))
;; Keywords: convenience, emulation
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Actions: Insert snippet, Open snippet file, Open snippet file other window
;; C-z: execute-persistent-action
;;; Changelog:
;; 2012/08/11 Port to helm
;; Fixed bug on yasnippet 0.7.0
;; 2012/08/23 Support yasnippet 0.8.0
;;
;;; Commands:
;;
;; Below are complete command list:
;;
;; `helm-yas-complete'
;; List of yasnippet snippets using `helm' interface.
;; `helm-yas-create-snippet-on-region'
;; Create a snippet from region.
;;
;;; Customizable Options:
;;
;; Below are customizable option list:
;;
;; `helm-yas-not-display-dups'
;; if non-nil not display duplicate snippet otherwise display all snippet
;; default = t
;; `helm-yas-display-msg-after-complete'
;; if non-nil display snippet key message in minibuffer after Complete
;; default = t
;; `helm-yas-space-match-any-greedy'
;; if non-nil helm pattern space match anyword greedy.
;; default = nil
;; `helm-yas-display-key-on-candidate'
;; if non-nil helm display candidate(snippet name) include key
;; default = nil
;; here's my yasnippet's configuration
;; (require 'yasnippet)
;; (require 'helm-c-yasnippet)
;; (setq helm-yas-space-match-any-greedy t) ;[default: nil]
;; (global-set-key (kbd "C-c y") 'helm-yas-complete)
;; (yas-global-mode 1)
;; (yas-load-directory "<path>/<to>/snippets/")
;;; Code:
(require 'cl-lib)
(require 'helm)
(require 'helm-files)
(require 'yasnippet)
(defgroup helm-yasnippet nil
"helm config yasnippet"
:group 'helm)
(defcustom helm-yas-not-display-dups t
"if non-nil not display duplicate snippet otherwise display all snippet"
:type 'boolean
:group 'helm-yasnippet)
(defcustom helm-yas-display-msg-after-complete t
"if non-nil display snippet key message in minibuffer after Complete"
:type 'boolean
:group 'helm-yasnippet)
(defcustom helm-yas-space-match-any-greedy nil
"if non-nil helm pattern space match anyword greedy.
pattern regexp: \"if else\" replace to \"if.*else\"
match \"if (...) { ... } else { ... }\" and \"if, elsif, else ...\"
quite convenience
Default: nil"
:type 'boolean
:group 'helm-yasnippet)
(defcustom helm-yas-display-key-on-candidate nil
"if non-nil helm display candidate(snippet name) include key
ex. [for] for (...) { ... }
otherwise display just name
ex. for (...) { ... }"
:type 'boolean
:group 'helm-yasnippet)
(defcustom helm-yas-create-new-snippet-insert-function
'helm-yas-create-new-snippet-insert
"Function to be called when create new insert file."
:type 'function
:group 'helm-yasnippet)
(defface helm-yas-key '((t (:foreground "orange" :underline t)))
"Face used in helm-yas-complete to show key triggers."
:group 'helm-yasnippet)
(defvar helm-yas-cur-snippets-alist nil)
(defun helm-yas-create-new-snippet-insert (selected-text snippet-file)
"Insert SELECTED-TEXT into SNIPPET-FILE."
(let* ((name (file-name-sans-extension
(file-name-nondirectory
(directory-file-name snippet-file))))
(string-format "# -*- mode: snippet -*-\n#name : %s\n#key : %s\n#contributor : %s\n# --\n"))
(insert (format string-format name name user-full-name) selected-text)))
(defun helm-yas-create-new-snippet-file (selected-text snippet-file)
"Create snippet file with inserted SELECTED-TEXT into SNIPPET-FILE."
(with-current-buffer (find-file snippet-file)
(snippet-mode)
(funcall helm-yas-create-new-snippet-insert-function selected-text snippet-file)))
(defun helm-yas-create-new-snippet (selected-text &optional snippet-file)
"Create snippet from SELECTED-TEXT into SNIPPET-FILE.
If SNIPPET-FILE is nil, asks file name.
If SNIPPET-FILE does not contain directory, it is placed in default snippet directory."
(let* ((major-mode-dir (symbol-name major-mode))
(yas-dir (file-name-as-directory (expand-file-name (or (car-safe yas-snippet-dirs) yas-snippet-dirs))))
(snippet-dir
(or (helm-yas-find-recursively major-mode-dir yas-dir 'dir)
(let ((target-dir (file-name-as-directory (concat yas-dir major-mode-dir))))
(if (yes-or-no-p (format "%s doesn't exist. Would you like to create this directory?" target-dir))
(progn
(make-directory target-dir)
target-dir)
(deactivate-mark)
(error "Snippet creation failed"))))))
(setq snippet-file
(helm-aif snippet-file
(expand-file-name snippet-file snippet-dir)
(read-file-name "create snippet : " snippet-dir snippet-dir)))
(when (file-exists-p snippet-file)
(error "can't create file [%s] already exists" (file-name-nondirectory snippet-file)))
(helm-yas-create-new-snippet-file selected-text snippet-file)))
(defun helm-yas-find-recursively (name &optional directory predicate)
(let* ((directory (or directory default-directory))
(predfunc (cl-case predicate
(dir 'file-directory-p)
(file 'file-regular-p)
(otherwise 'identity)))
(files (cl-remove-if (lambda (s) (string-match "^\\." (file-name-nondirectory s))) (directory-files directory t)))
(found nil)
(result nil))
(cl-loop for file in files
unless found
do (if (and (funcall predfunc file)
(string= name (file-name-nondirectory file)))
(progn (setq found t)
(cl-return (file-name-as-directory file)))
(when (file-directory-p file)
(setq result (helm-yas-find-recursively name file predicate))))
finally (cl-return result))))
(defun helm-yas-build-cur-snippets-alist (&optional table)
(let ((yas-choose-keys-first nil)
(yas-choose-tables-first nil)
(yas-buffer-local-condition 'always))
(let* ((result-alist '((candidates) (transformed) (template-key-alist)
(template-file-alist) (template-expand-env-alist)))
(cur-tables
(if table
(list table)
(yas--get-snippet-tables)))
(hash-value-alist nil))
(let ((hashes (cl-loop for table in cur-tables
collect (yas--table-hash table))))
(cl-loop for hash in hashes
do (maphash (lambda (k v)
(let (a)
(maphash (lambda (_n te)
(setq a (append (list (cons k te)) a)))
v)
(setq hash-value-alist (append a hash-value-alist))))
hash))
(cl-loop with transformed
with templates
with template-key-alist
with template-file-alist
with template-expand-env-alist
for lst in hash-value-alist
for key = (car lst)
for template-struct = (cdr lst)
for name = (yas--template-name template-struct) ;`yas--template-name'
for template = (yas--template-content template-struct) ;`yas--template-content'
for file = (yas--template-load-file template-struct) ;`yas--template-content'
for condition = (yas--template-condition template-struct)
for expand-env = (yas--template-expand-env template-struct)
when (or (not condition) (ignore-errors (eval condition)))
do (progn (push template templates)
(push `(,name . ,template) transformed)
(push `(,template . ,key) template-key-alist)
(push `(,template . ,file) template-file-alist)
(push `(,template . ,expand-env) template-expand-env-alist)
)
finally (progn (push `(candidates . ,templates) result-alist)
(push `(transformed . ,transformed) result-alist)
(push `(template-file-alist . ,template-file-alist) result-alist)
(push `(template-key-alist . ,template-key-alist) result-alist)
(push `(template-expand-env-alist . ,template-expand-env-alist) result-alist)
))
result-alist)
)))
(defun helm-yas-get-cmp-context ()
"Return list (initial-input point-start point-end)
like `yas--current-key'"
(let ((start (point))
(end (point))
(syntax "w_"))
(condition-case nil
(save-excursion
(when mark-active
(error ""))
(skip-syntax-backward syntax)
(setq start (point))
(cl-values (buffer-substring-no-properties start end) start end))
(error (cl-values "" (point) (point))))))
(defun helm-yas-get-key-by-template (template alist) ;str template
"Return key"
(assoc-default template (assoc-default 'template-key-alist alist)))
(defun helm-yas-get-candidates (alist)
"Return list of template"
(assoc-default 'candidates alist 'eq))
(defun helm-yas-get-transformed-list (alist initial-input)
"Return list of dotlist, (DISPLAY . REAL) DISPLAY is name of snippet, REAL is template of snippet"
(let ((transformed-list (assoc-default 'transformed alist 'eq)))
(cond
;; display key on candidate ex: [for] for (...) { ... }
(helm-yas-display-key-on-candidate
(setq transformed-list (cl-remove-if-not (lambda (lst)
(string-match (concat "^" (regexp-quote initial-input)) (car lst)))
transformed-list))
(setq transformed-list (cl-loop for dotlst in transformed-list
for name = (car dotlst)
for template = (cdr dotlst)
for key = (helm-yas-get-key-by-template template alist)
for key-str = (cond ((stringp key) key)
((vectorp key) (key-description key))
(t (format "%s" key)))
for name-inc-key = (concat "[" (propertize key-str 'face 'helm-yas-key) "] " name)
collect `(,name-inc-key . ,template))))
;; default ex: for (...) { ... }
(t
(setq transformed-list (cl-remove-if-not (lambda (lst)
(string-match (concat "^" (regexp-quote initial-input)) (car lst)))
transformed-list))))
(when helm-yas-not-display-dups
(setq transformed-list (delete-dups transformed-list)))
;; sort
(setq transformed-list (cl-sort transformed-list 'string< :key 'car))
transformed-list))
(defun helm-yas-find-file-snippet-by-template (template &optional other-window)
(let* ((path (helm-yas-get-path-by-template template))
;; (let* ((path (assoc-default template (assoc-default 'template-file-alist helm-yas-cur-snippets-alist)))
(ff-func (if other-window 'find-file-other-window 'find-file)))
(if path
(funcall ff-func path)
(message "not found snippet file"))))
(defun helm-yas-get-path-by-template (template)
(assoc-default template (assoc-default 'template-file-alist helm-yas-cur-snippets-alist)))
(defun helm-yas-get-expand-env-by-template (template)
(assoc-default template (assoc-default 'template-expand-env-alist helm-yas-cur-snippets-alist)))
(defun helm-yas-match (candidate)
"if customize variable `helm-yas-space-match-any-greedy' is non-nil
space match anyword greedy"
(cond
(helm-yas-space-match-any-greedy
(let ((re (replace-regexp-in-string "[ \t]+" ".*" helm-pattern)))
(string-match re candidate)))
(t
(string-match helm-pattern candidate))))
(defvar helm-yas-initial-input "")
(defvar helm-yas-point-start nil)
(defvar helm-yas-point-end nil)
(defvar helm-yas-selected-text "" "region text if mark-active otherwise \"\"")
(defvar helm-source-yasnippet
`((name . "Yasnippet")
(init . (lambda ()
(setq helm-yas-selected-text (if mark-active (buffer-substring-no-properties (region-beginning) (region-end)) ""))
(cl-multiple-value-setq
(helm-yas-initial-input helm-yas-point-start helm-yas-point-end) (helm-yas-get-cmp-context)) ;return values(str point point)
(setq helm-yas-cur-snippets-alist (helm-yas-build-cur-snippets-alist))))
(candidates . (helm-yas-get-candidates helm-yas-cur-snippets-alist))
(candidate-transformer . (lambda (candidates)
(helm-yas-get-transformed-list helm-yas-cur-snippets-alist helm-yas-initial-input)))
(action . (("Insert snippet" . (lambda (template)
(yas-expand-snippet template helm-yas-point-start helm-yas-point-end
(helm-yas-get-expand-env-by-template template))
(when helm-yas-display-msg-after-complete
(message "this snippet is bound to [ %s ]"
(helm-yas-get-key-by-template template helm-yas-cur-snippets-alist)))))
("Open snippet file" . (lambda (template)
(helm-yas-find-file-snippet-by-template template)))
("Open snippet file other window" . (lambda (template)
(helm-yas-find-file-snippet-by-template template t)))
("Create new snippet on region" . (lambda (template)
(helm-yas-create-new-snippet helm-yas-selected-text)))
("Reload All Snippts" . (lambda (template)
(yas-reload-all)
(message "Reload All Snippts done")))
("Rename snippet file" . (lambda (template)
(let* ((path (or (helm-yas-get-path-by-template template) ""))
(dir (file-name-directory path))
(filename (file-name-nondirectory path))
(rename-to (read-string (concat "rename [" filename "] to: "))))
(rename-file path (concat dir rename-to))
(yas-reload-all))))
("Delete snippet file" . (lambda (template)
(let ((path (or (helm-yas-get-path-by-template template) "")))
(when (y-or-n-p "really delete?")
(delete-file path)
(yas-reload-all)))))))
(persistent-action . (lambda (template)
(helm-yas-find-file-snippet-by-template template)))
(match . (helm-yas-match))))
;;; visit template
(defun helm-yas-all-templates ()
(let ((tables (yas--get-snippet-tables)))
(cl-loop for table in tables
append (yas--table-templates table))))
(defun helm-yas-snippet-files-candidates ()
"called in `helm-source-yasnippet-snippet-files' candidates"
(let ((yas-choose-keys-first nil)
(yas-choose-tables-first nil)
(yas-buffer-local-condition 'always))
(with-current-buffer helm-current-buffer
(cl-mapcar 'yas--template-load-file
(mapcar 'cdr
(helm-yas-all-templates))))))
(defun helm-yas--visit-files-transformer (candidate)
(file-name-nondirectory candidate))
;; (helm 'helm-source-yasnippet-snippet-files)
(defvar helm-source-yasnippet-snippet-files
(helm-build-sync-source "yasnippet snippet files"
:candidates #'helm-yas-snippet-files-candidates
:real-to-display #'helm-yas--visit-files-transformer
:action (helm-actions-from-type-file)))
;;; Commands
;;;###autoload
(defun helm-yas-complete ()
"List of yasnippet snippets using `helm' interface."
(interactive)
(helm 'helm-source-yasnippet))
;;;###autoload
(defun helm-yas-visit-snippet-file ()
"List of yasnippet snippet files"
(interactive)
(helm 'helm-source-yasnippet-snippet-files))
;;;###autoload
(defun helm-yas-create-snippet-on-region (&optional start end file-name)
"Create a snippet from region."
(interactive "r")
(let ((str (buffer-substring-no-properties start end)))
(helm-yas-create-new-snippet str file-name)))
;; (helm-yas-create-snippet-on-region (region-beginning) (region-end) "aaaa")
(define-obsolete-variable-alias 'helm-c-yas-not-display-dups 'helm-yas-not-display-dups "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-display-msg-after-complete 'helm-yas-display-msg-after-complete "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-space-match-any-greedy 'helm-yas-space-match-any-greedy "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-display-key-on-candidate 'helm-yas-display-key-on-candidate "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-cur-snippets-alist 'helm-yas-cur-snippets-alist "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-initial-input 'helm-yas-initial-input "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-point-start 'helm-yas-point-start "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-point-end 'helm-yas-point-end "0.6.4")
(define-obsolete-variable-alias 'helm-c-yas-selected-text 'helm-yas-selected-text "0.6.4")
(define-obsolete-variable-alias 'helm-c-source-yasnippet 'helm-source-yasnippet "0.6.4")
(define-obsolete-variable-alias 'helm-c-source-yasnippet-snippet-files 'helm-source-yasnippet-snippet-files "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-create-new-snippet 'helm-yas-create-new-snippet "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-find-recursively 'helm-yas-find-recursively "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-build-cur-snippets-alist 'helm-yas-build-cur-snippets-alist "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-get-cmp-context 'helm-yas-get-cmp-context "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-get-key-by-template 'helm-yas-get-key-by-template "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-get-candidates 'helm-yas-get-candidates "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-get-transformed-list 'helm-yas-get-transformed-list "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-find-file-snippet-by-template 'helm-yas-find-file-snippet-by-template "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-get-path-by-template 'helm-yas-get-path-by-template "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-match 'helm-yas-match "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-all-templates 'helm-yas-all-templates "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-snippet-files-candidates 'helm-yas-snippet-files-candidates "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-complete 'helm-yas-complete "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-visit-snippet-file 'helm-yas-visit-snippet-file "0.6.4")
(define-obsolete-function-alias 'helm-c-yas-create-snippet-on-region 'helm-yas-create-snippet-on-region "0.6.4")
(provide 'helm-c-yasnippet)
;;; helm-c-yasnippet.el ends here