Adds bindings needed for the unum.h header

This will allow us to implement the functionality in `unum.h`

Issue google#141.

Cargo.toml

@@ -15,6 +15,7 @@ members = [
   "rust_icu_ulistformatter",
   "rust_icu_uloc",
   "rust_icu_umsg",
+  "rust_icu_unum",
   "rust_icu_upluralrules",
   "rust_icu_ustring",
   "rust_icu_utext",

Makefile

@@ -134,6 +134,7 @@ publish:
 	$(call publish,rust_icu_ulistformatter)
 	$(call publish,rust_icu_upluralrules)
 	$(call publish,rust_icu_uformattable)
+	$(call publish,rust_icu_unum)
 	$(call publish,rust_icu)
 
 # A helper to up-rev the cargo crate versions.
@@ -166,6 +167,7 @@ uprev:
 	$(call uprev,rust_icu_ustring)
 	$(call uprev,rust_icu_utext)
 	$(call uprev,rust_icu_uformattable)
+	$(call uprev,rust_icu_unum)
 
 cov:
 	./build/showprogress.sh

rust_icu_sys/bindgen/run_bindgen.sh

@@ -42,6 +42,7 @@ readonly BINDGEN_SOURCE_MODULES=(
         "uformattable"
         "ulistformatter"
         "umsg"
+        "unum"
         "upluralrules"
         "uset"
         "ustring"
@@ -62,12 +63,15 @@ readonly BINDGEN_ALLOWLIST_TYPES=(
         "UData.*"
         "UDate.*"
         "UDateFormat.*"
+        "UDisplayContext.*"
         "UEnumeration.*"
         "UErrorCode"
-        "UFormattable.*",
+        "UFormat.*"
         "UFormattedList.*"
         "UListFormatter.*"
         "UMessageFormat"
+        "UNUM.*"
+        "UNumber.*",
         "UParseError"
         "UPlural.*"
         "USet"
@@ -84,12 +88,13 @@ readonly BINDGEN_ALLOWLIST_FUNCTIONS=(
         "udat_.*"
         "udata_.*"
         "uenum_.*"
+        "ufmt_.*"
         "ulistfmt_.*"
         "uloc_.*"
         "umsg_.*"
+        "unum_.*"
         "uplrules_.*"
         "utext_.*"
-        "ufmt_.*"
 )
 
 function check_requirements() {

rust_icu_sys/build.rs

@@ -47,6 +47,7 @@ mod inner {
             "uformattable",
             "ulistformatter",
             "umsg",
+            "unum",
             "upluralrules",
             "uset",
             "ustring",
@@ -66,6 +67,7 @@ mod inner {
             "ulistfmt_.*",
             "uloc_.*",
             "umsg_.*",
+            "unum_.*",
             "uplrules_.*",
             "utext_.*",
         ];
@@ -83,13 +85,15 @@ mod inner {
             "UData.*",
             "UDate.*",
             "UDateFormat.*",
+            "UDisplayContext.*",
             "UEnumeration.*",
             "UErrorCode",
             "UFormat.*",
             "UFormattedList.*",
             "UListFormatter.*",
             "UMessageFormat",
             "UNUM.*",
+            "UNumber.*",
             "UParseError",
             "UPlural.*",
             "USet",

rust_icu_unum/Cargo.toml

@@ -0,0 +1,68 @@
+[package]
+authors = ["Google Inc."]
+edition = "2018"
+license = "Apache-2.0"
+name = "rust_icu_unum"
+readme = "README.md"
+repository = "https://github.com/google/rust_icu"
+version = "0.3.1"
+default-features = false
+keywords = ["icu", "unicode", "i18n", "l10n"]
+
+description = """
+Native bindings to the ICU4C library from Unicode.
+
+- ufmt.h: Number formatting support
+"""
+
+[dependencies]
+log = "0.4.6"
+paste = "0.1.5"
+rust_icu_common = { path = "../rust_icu_common", version = "0.3.1", default-features = false }
+rust_icu_sys = { path = "../rust_icu_sys", version = "0.3.1", default-features = false }
+rust_icu_ustring = { path = "../rust_icu_ustring", version = "0.3.1", default-features = false }
+anyhow = "1.0.25"
+
+[dev-dependencies]
+anyhow = "1.0.25"
+
+# See the feature description in ../rust_icu_sys/Cargo.toml for details.
+[features]
+default = ["use-bindgen", "renaming", "icu_config"]
+
+use-bindgen = [
+  "rust_icu_common/use-bindgen",
+  "rust_icu_sys/use-bindgen",
+  "rust_icu_ustring/use-bindgen",
+]
+renaming = [
+  "rust_icu_common/renaming",
+  "rust_icu_sys/renaming",
+  "rust_icu_ustring/renaming",
+]
+icu_config = [
+  "rust_icu_common/icu_config",
+  "rust_icu_sys/icu_config",
+  "rust_icu_ustring/icu_config",
+]
+icu_version_in_env = [
+  "rust_icu_common/icu_version_in_env",
+  "rust_icu_sys/icu_version_in_env",
+  "rust_icu_ustring/icu_version_in_env",
+]
+icu_version_64_plus = [
+  "rust_icu_common/icu_version_64_plus",
+  "rust_icu_sys/icu_version_64_plus",
+  "rust_icu_ustring/icu_version_64_plus",
+]
+icu_version_67_plus = [
+  "rust_icu_common/icu_version_67_plus",
+  "rust_icu_sys/icu_version_67_plus",
+  "rust_icu_ustring/icu_version_67_plus",
+]
+
+[badges]
+maintenance = { status = "actively-developed" }
+is-it-maintained-issue-resolution = { repository = "google/rust_icu" }
+is-it-maintained-open-issues = { repository = "google/rust_icu" }
+travis-ci = { repository = "google/rust_icu", branch = "master" }

rust_icu_unum/README.md

@@ -0,0 +1 @@
+../README.md

rust_icu_unum/src/lib.rs

@@ -0,0 +1,29 @@
+// Copyright 2020 Google LLC
+//
+// 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.
+
+//! # ICU number formatting support for rust
+//!
+//! Since 0.3.1
+
+use {
+    rust_icu_common as common, rust_icu_sys as sys,
+    rust_icu_sys::versioned_function,
+    rust_icu_sys::*,
+    rust_icu_ustring as ustring,
+    std::{convert::TryFrom, os::raw, ffi, ptr},
+};
+
+#[cfg(test)]
+mod tests {
+}