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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include "i18n-locale.h" | 28 #include "i18n-locale.h" |
29 | 29 |
30 #include <algorithm> | 30 #include "language-matcher.h" |
31 #include <string> | |
32 | |
33 #include "unicode/locid.h" | 31 #include "unicode/locid.h" |
34 #include "unicode/uloc.h" | 32 #include "unicode/uloc.h" |
35 | 33 |
36 namespace v8 { | 34 namespace v8 { |
37 namespace internal { | 35 namespace internal { |
38 | 36 |
37 const char* const I18NLocale::kLocaleID = "localeID"; | |
38 const char* const I18NLocale::kRegionID = "regionID"; | |
39 const char* const I18NLocale::kICULocaleID = "icuLocaleID"; | |
40 | |
39 v8::Handle<v8::Value> I18NLocale::JSLocale(const v8::Arguments& args) { | 41 v8::Handle<v8::Value> I18NLocale::JSLocale(const v8::Arguments& args) { |
40 // TODO(cira): Fetch browser locale. Accept en-US as good default for now. | 42 v8::HandleScope handle_scope; |
41 // We could possibly pass browser locale as a parameter in the constructor. | |
42 std::string locale_name("en-US"); | |
43 if (args.Length() == 1 && args[0]->IsString()) { | |
44 locale_name = *v8::String::Utf8Value(args[0]->ToString()); | |
45 } | |
46 | 43 |
47 v8::Local<v8::Object> locale = v8::Object::New(); | 44 if (args.Length() != 1 || !args[0]->IsObject()) { |
48 locale->Set(v8::String::New("locale"), v8::String::New(locale_name.c_str())); | |
49 | |
50 icu::Locale icu_locale(locale_name.c_str()); | |
51 | |
52 const char* language = icu_locale.getLanguage(); | |
53 locale->Set(v8::String::New("language"), v8::String::New(language)); | |
54 | |
55 const char* script = icu_locale.getScript(); | |
56 if (strlen(script)) { | |
57 locale->Set(v8::String::New("script"), v8::String::New(script)); | |
58 } | |
59 | |
60 const char* region = icu_locale.getCountry(); | |
61 if (strlen(region)) { | |
62 locale->Set(v8::String::New("region"), v8::String::New(region)); | |
63 } | |
64 | |
65 return locale; | |
66 } | |
67 | |
68 // TODO(cira): Filter out locales that Chrome doesn't support. | |
69 v8::Handle<v8::Value> I18NLocale::JSAvailableLocales( | |
70 const v8::Arguments& args) { | |
71 v8::Local<v8::Array> all_locales = v8::Array::New(); | |
72 | |
73 int count = 0; | |
74 const icu::Locale* icu_locales = icu::Locale::getAvailableLocales(count); | |
75 for (int i = 0; i < count; ++i) { | |
76 all_locales->Set(i, v8::String::New(icu_locales[i].getName())); | |
77 } | |
78 | |
79 return all_locales; | |
80 } | |
81 | |
82 // Use - as tag separator, not _ that ICU uses. | |
83 static std::string NormalizeLocale(const std::string& locale) { | |
84 std::string result(locale); | |
85 // TODO(cira): remove STL dependency. | |
86 std::replace(result.begin(), result.end(), '_', '-'); | |
87 return result; | |
88 } | |
89 | |
90 v8::Handle<v8::Value> I18NLocale::JSMaximizedLocale(const v8::Arguments& args) { | |
91 if (!args.Length() || !args[0]->IsString()) { | |
92 return v8::Undefined(); | 45 return v8::Undefined(); |
93 } | 46 } |
94 | 47 |
95 UErrorCode status = U_ZERO_ERROR; | 48 v8::Local<v8::Object> settings = args[0]->ToObject(); |
96 std::string locale_name = *v8::String::Utf8Value(args[0]->ToString()); | 49 |
97 char max_locale[ULOC_FULLNAME_CAPACITY]; | 50 // Get best match for locale. |
98 uloc_addLikelySubtags(locale_name.c_str(), max_locale, | 51 v8::TryCatch try_catch; |
99 sizeof(max_locale), &status); | 52 v8::Handle<v8::Value> locale_id = settings->Get(v8::String::New(kLocaleID)); |
100 if (U_FAILURE(status)) { | 53 if (try_catch.HasCaught()) { |
101 return v8::Undefined(); | 54 return v8::Undefined(); |
102 } | 55 } |
103 | 56 |
104 return v8::String::New(NormalizeLocale(max_locale).c_str()); | 57 LocaleIDMatch result; |
58 if (locale_id->IsArray()) { | |
59 LanguageMatcher::GetBestMatchForPriorityList( | |
60 v8::Handle<v8::Array>::Cast(locale_id), &result); | |
61 } else if (locale_id->IsString()) { | |
jungshik at Google
2011/05/02 20:00:15
perhaps, ASCII-ness has to be checked for input.
Nebojša Ćirić
2011/05/02 22:44:01
I made the change in language-matcher.cc:CompareTo
| |
62 LanguageMatcher::GetBestMatchForString(locale_id->ToString(), &result); | |
63 } else { | |
64 LanguageMatcher::GetBestMatchForString(v8::String::New(""), &result); | |
65 } | |
66 | |
67 // Get best match for region. | |
68 char region_id[ULOC_COUNTRY_CAPACITY]; | |
69 sprintf(region_id, ""); | |
70 | |
71 v8::Handle<v8::Value> region = settings->Get(v8::String::New(kRegionID)); | |
72 if (try_catch.HasCaught()) { | |
73 return v8::Undefined(); | |
74 } | |
75 GetBestMatchForRegionID(result.icu_locale, region, region_id); | |
76 | |
77 // Build JavaScript object that contains bcp and icu locale ID and region ID. | |
78 v8::Handle<v8::Object> locale = v8::Object::New(); | |
79 locale->Set(v8::String::New(kLocaleID), v8::String::New(result.bcp47_locale)); | |
80 locale->Set(v8::String::New(kICULocaleID), | |
81 v8::String::New(result.icu_locale)); | |
82 locale->Set(v8::String::New(kRegionID), v8::String::New(region_id)); | |
83 | |
84 return handle_scope.Close(locale); | |
105 } | 85 } |
106 | 86 |
107 v8::Handle<v8::Value> I18NLocale::JSMinimizedLocale(const v8::Arguments& args) { | 87 void I18NLocale::GetBestMatchForRegionID( |
108 if (!args.Length() || !args[0]->IsString()) { | 88 const char* locale_id, v8::Handle<v8::Value> region_id, char* result) { |
109 return v8::Undefined(); | 89 if (region_id->IsString() && region_id->ToString()->Length() != 0) { |
jungshik at Google
2011/05/02 19:57:23
just checking: IsString() covers cases where kRegi
Nebojša Ćirić
2011/05/02 22:44:01
My test behaves as expected for this case, and v8
| |
90 icu::Locale user_locale( | |
91 icu::Locale("und", *v8::String::Utf8Value(region_id->ToString()))); | |
92 snprintf(result, ULOC_COUNTRY_CAPACITY, "%s", user_locale.getCountry()); | |
93 } else { | |
94 // Expand "de" into "de-Latn-DE" and grab country info. | |
jungshik at Google
2011/05/02 19:57:23
nit: This command seems to get out of blue. How ab
Nebojša Ćirić
2011/05/02 22:44:01
Done.
| |
95 UErrorCode status = U_ZERO_ERROR; | |
96 char maximized_locale[ULOC_FULLNAME_CAPACITY]; | |
97 uloc_addLikelySubtags(locale_id, maximized_locale, | |
98 ULOC_FULLNAME_CAPACITY, &status); | |
99 status = U_ZERO_ERROR; | |
jungshik at Google
2011/05/02 19:57:23
YOu're not supposed to reset the error code here.
Nebojša Ćirić
2011/05/02 22:44:01
Done.
| |
100 uloc_getCountry(maximized_locale, result, ULOC_COUNTRY_CAPACITY, &status); | |
110 } | 101 } |
111 | |
112 UErrorCode status = U_ZERO_ERROR; | |
113 std::string locale_name = *v8::String::Utf8Value(args[0]->ToString()); | |
114 char min_locale[ULOC_FULLNAME_CAPACITY]; | |
115 uloc_minimizeSubtags(locale_name.c_str(), min_locale, | |
116 sizeof(min_locale), &status); | |
117 if (U_FAILURE(status)) { | |
118 return v8::Undefined(); | |
119 } | |
120 | |
121 return v8::String::New(NormalizeLocale(min_locale).c_str()); | |
122 } | |
123 | |
124 // Common code for JSDisplayXXX methods. | |
125 static v8::Handle<v8::Value> GetDisplayItem(const v8::Arguments& args, | |
126 const std::string& item) { | |
127 if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsString()) { | |
128 return v8::Undefined(); | |
129 } | |
130 | |
131 std::string base_locale = *v8::String::Utf8Value(args[0]->ToString()); | |
132 icu::Locale icu_locale(base_locale.c_str()); | |
133 icu::Locale display_locale = | |
134 icu::Locale(*v8::String::Utf8Value(args[1]->ToString())); | |
135 icu::UnicodeString result; | |
136 if (item == "language") { | |
137 icu_locale.getDisplayLanguage(display_locale, result); | |
138 } else if (item == "script") { | |
139 icu_locale.getDisplayScript(display_locale, result); | |
140 } else if (item == "region") { | |
141 icu_locale.getDisplayCountry(display_locale, result); | |
142 } else if (item == "name") { | |
143 icu_locale.getDisplayName(display_locale, result); | |
144 } else { | |
145 return v8::Undefined(); | |
146 } | |
147 | |
148 if (result.length()) { | |
149 return v8::String::New( | |
150 reinterpret_cast<const uint16_t*>(result.getBuffer()), result.length()); | |
151 } | |
152 | |
153 return v8::Undefined(); | |
154 } | |
155 | |
156 v8::Handle<v8::Value> I18NLocale::JSDisplayLanguage(const v8::Arguments& args) { | |
157 return GetDisplayItem(args, "language"); | |
158 } | |
159 | |
160 v8::Handle<v8::Value> I18NLocale::JSDisplayScript(const v8::Arguments& args) { | |
161 return GetDisplayItem(args, "script"); | |
162 } | |
163 | |
164 v8::Handle<v8::Value> I18NLocale::JSDisplayRegion(const v8::Arguments& args) { | |
165 return GetDisplayItem(args, "region"); | |
166 } | |
167 | |
168 v8::Handle<v8::Value> I18NLocale::JSDisplayName(const v8::Arguments& args) { | |
169 return GetDisplayItem(args, "name"); | |
170 } | 102 } |
171 | 103 |
172 } } // namespace v8::internal | 104 } } // namespace v8::internal |
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