src/chromeos/ime/extension_ime_util.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/ime/extension_ime_util.h"
   6
   7 #include "base/strings/string_util.h"
   8
   9 namespace chromeos {
  10 namespace {
  11 const char* kExtensionIMEPrefix = "_ext_ime_";
  12 }  // namespace
  13
  14 namespace extension_ime_util {
  15 std::string GetInputMethodID(const std::string& extension_id,
  16                              const std::string& engine_id) {
  17   DCHECK(!extension_id.empty());
  18   DCHECK(!engine_id.empty());
  19   return kExtensionIMEPrefix + extension_id + engine_id;
  20 }
  21
  22 bool IsExtensionIME(const std::string& input_method_id) {
  23   return StartsWithASCII(input_method_id,
  24                          kExtensionIMEPrefix,
  25                          true);  // Case sensitive.
  26 }
  27
  28 bool IsMemberOfExtension(const std::string& input_method_id,
  29                          const std::string& extension_id) {
  30   return StartsWithASCII(input_method_id,
  31                          kExtensionIMEPrefix + extension_id,
  32                          true);  // Case sensitive.
  33 }
  34
  35 }  // namespace extension_ime_util
  36 }  // namespace chromeos