We will sort the encoding menu items according to current used UI language ex...

chrome/common/l10n_util.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "build/build_config.h"
 
-#include <algorithm>
-
 #include "chrome/common/l10n_util.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
-#include "base/logging.h"
 #include "base/path_service.h"
-#include "base/scoped_ptr.h"
-#include "base/string_util.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/gfx/chrome_canvas.h"
 #if defined(OS_WIN) || defined(OS_LINUX)
 // TODO(port): re-enable.
 #include "chrome/common/resource_bundle.h"
 #endif
 #if defined(OS_WIN)
 #include "chrome/views/view.h"
 #endif  // defined(OS_WIN)
-#include "unicode/coll.h"
-#include "unicode/locid.h"
 #include "unicode/rbbi.h"
 #include "unicode/uchar.h"
 
 // TODO(playmobil): remove this undef once SkPostConfig.h is fixed.
 // skia/include/corecg/SkPostConfig.h #defines strcasecmp() so we can't use
 // base::strcasecmp() without #undefing it here.
 #undef strcasecmp
 
 namespace {
 
@@ skipping 53 matching lines @@
   Locale locale(ICULocaleName(locale_string).c_str());
   UErrorCode error_code = U_ZERO_ERROR;
   Locale::setDefault(locale, error_code);
   // This return value is actually bogus because Locale object is
   // an ID and setDefault seems to always succeed (regardless of the
   // presence of actual locale data). However,
   // it does not hurt to have it as a sanity check.
   return U_SUCCESS(error_code);
 }
 
-// Compares two wstrings and returns true if the first arg is less than the
-// second arg.  This uses the locale specified in the constructor.
-class StringComparator : public std::binary_function<const std::wstring&,
-                                                     const std::wstring&,
-                                                     bool> {
- public:
-  explicit StringComparator(Collator* collator)
-      : collator_(collator) { }
-
-  // Returns true if lhs preceeds rhs.
-  bool operator() (const std::wstring& lhs, const std::wstring& rhs) {
-    UErrorCode error = U_ZERO_ERROR;
-#if defined(WCHAR_T_IS_UTF32)
-    // Need to convert to UTF-16 to be compatible with UnicodeString's
-    // constructor.
-    string16 lhs_utf16 = WideToUTF16(lhs);
-    string16 rhs_utf16 = WideToUTF16(rhs);
-
-    UCollationResult result = collator_->compare(
-        static_cast<const UChar*>(lhs_utf16.c_str()),
-        static_cast<int>(lhs_utf16.length()),
-        static_cast<const UChar*>(rhs_utf16.c_str()),
-        static_cast<int>(rhs_utf16.length()),
-        error);
-#else
-    UCollationResult result = collator_->compare(
-        static_cast<const UChar*>(lhs.c_str()), static_cast<int>(lhs.length()),
-        static_cast<const UChar*>(rhs.c_str()), static_cast<int>(rhs.length()),
-        error);
-#endif
-    DCHECK(U_SUCCESS(error));
-
-    return result == UCOL_LESS;
-  }
-
- private:
-  Collator* collator_;
-};
-
 // Returns true if |locale_name| has an alias in the ICU data file.
 bool IsDuplicateName(const std::string& locale_name) {
   static const char* const kDuplicateNames[] = {
     "en",
     "pt",
     "zh",
     "zh_hans_cn",
     "zh_hant_tw"
   };
 
@@ skipping 92 matching lines @@
   std::string ret;
   if (!language.empty())
     ret.append(language);
   if (!region.empty()) {
     ret.append("-");
     ret.append(region);
   }
   return ASCIIToWide(ret);
 }
 
+// Compares the character data stored in two different strings by specified
+// Collator instance.
+UCollationResult CompareStringWithCollator(const Collator* collator,
+                                           const std::wstring& lhs,
+                                           const std::wstring& rhs) {
+  DCHECK(collator);
+  UErrorCode error = U_ZERO_ERROR;
+#if defined(WCHAR_T_IS_UTF32)
+  // Need to convert to UTF-16 to be compatible with UnicodeString's
+  // constructor.
+  string16 lhs_utf16 = WideToUTF16(lhs);
+  string16 rhs_utf16 = WideToUTF16(rhs);
+
+  UCollationResult result = collator->compare(
+      static_cast<const UChar*>(lhs_utf16.c_str()),
+      static_cast<int>(lhs_utf16.length()),
+      static_cast<const UChar*>(rhs_utf16.c_str()),
+      static_cast<int>(rhs_utf16.length()),
+      error);
+#else
+  UCollationResult result = collator->compare(
+      static_cast<const UChar*>(lhs.c_str()), static_cast<int>(lhs.length()),
+      static_cast<const UChar*>(rhs.c_str()), static_cast<int>(rhs.length()),
+      error);
+#endif
+  DCHECK(U_SUCCESS(error));
+  return result;
+}
+
 }  // namespace
 
 namespace l10n_util {
 
 // Represents the locale-specific text direction.
 static TextDirection g_text_direction = UNKNOWN_DIRECTION;
 
 std::wstring GetApplicationLocale(const std::wstring& pref_locale) {
   std::wstring locale_path;
   PathService::Get(chrome::DIR_LOCALES, &locale_path);
@@ skipping 331 matching lines @@
     ::SetWindowLong(hwnd, GWL_EXSTYLE, ex_style);
 
     // Right-to-left layout changes are not applied to the window immediately
     // so we should make sure a WM_PAINT is sent to the window by invalidating
     // the entire window rect.
     ::InvalidateRect(hwnd, NULL, true);
   }
 }
 #endif  // defined(OS_WIN)
 
+// Specialization of operator() method for std::wstring version.
+template <>
+bool StringComparator<std::wstring>::operator()(const std::wstring& lhs,
+                                                const std::wstring& rhs) {
+  // If we can not get collator instance for specified locale, just do simple
+  // string compare.
+  if (!collator_)
+    return lhs < rhs;
+  return CompareStringWithCollator(collator_, lhs, rhs) == UCOL_LESS;
+};
+
 void SortStrings(const std::wstring& locale,
                  std::vector<std::wstring>* strings) {
-  UErrorCode error = U_ZERO_ERROR;
-  Locale loc(WideToUTF8(locale).c_str());
-  scoped_ptr<Collator> collator(Collator::createInstance(loc, error));
-  if (U_FAILURE(error)) {
-    // Just do an string sort.
-    sort(strings->begin(), strings->end());
-    return;
-  }
-  StringComparator c(collator.get());
-  sort(strings->begin(), strings->end(), c);
+  SortVectorWithStringKey(locale, strings, false);
 }
 
 const std::vector<std::wstring>& GetAvailableLocales() {
   static std::vector<std::wstring> locales;
   if (locales.empty()) {
     int num_locales = uloc_countAvailable();
     for (int i = 0; i < num_locales; ++i) {
       std::string locale_name = uloc_getAvailable(i);
       // Filter out the names that have aliases.
       if (IsDuplicateName(locale_name))
@@ skipping 60 matching lines @@
 }
 
 void BiDiLineIterator::GetLogicalRun(int start,
                                      int* end,
                                      UBiDiLevel* level) {
   DCHECK(bidi_ != NULL);
   ubidi_getLogicalRun(bidi_, start, end, level);
 }
 
 }