intl/locale/src/nsLanguageAtomService.cpp@6474c204b198 (annotated)
intl/locale/src/nsLanguageAtomService.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "nsLanguageAtomService.h" |
| michael@0 | 7 | #include "nsICharsetConverterManager.h" |
| michael@0 | 8 | #include "nsILocaleService.h" |
| michael@0 | 9 | #include "nsUnicharUtils.h" |
| michael@0 | 10 | #include "nsIAtom.h" |
| michael@0 | 11 | #include "mozilla/Services.h" |
| michael@0 | 12 | #include "nsServiceManagerUtils.h" |
| michael@0 | 13 | |
| michael@0 | 14 | NS_IMPL_ISUPPORTS(nsLanguageAtomService, nsILanguageAtomService) |
| michael@0 | 15 | |
| michael@0 | 16 | nsLanguageAtomService::nsLanguageAtomService() |
| michael@0 | 17 | { |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | nsresult |
| michael@0 | 21 | nsLanguageAtomService::InitLangGroupTable() |
| michael@0 | 22 | { |
| michael@0 | 23 | if (mLangGroups) |
| michael@0 | 24 | return NS_OK; |
| michael@0 | 25 | |
| michael@0 | 26 | nsCOMPtr<nsIStringBundleService> bundleService = |
| michael@0 | 27 | mozilla::services::GetStringBundleService(); |
| michael@0 | 28 | if (!bundleService) |
| michael@0 | 29 | return NS_ERROR_FAILURE; |
| michael@0 | 30 | |
| michael@0 | 31 | return bundleService->CreateBundle("resource://gre/res/langGroups.properties", |
| michael@0 | 32 | getter_AddRefs(mLangGroups)); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | nsIAtom* |
| michael@0 | 36 | nsLanguageAtomService::LookupLanguage(const nsACString &aLanguage, |
| michael@0 | 37 | nsresult *aError) |
| michael@0 | 38 | { |
| michael@0 | 39 | nsAutoCString lowered(aLanguage); |
| michael@0 | 40 | ToLowerCase(lowered); |
| michael@0 | 41 | |
| michael@0 | 42 | nsCOMPtr<nsIAtom> lang = do_GetAtom(lowered); |
| michael@0 | 43 | return GetLanguageGroup(lang, aError); |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | already_AddRefed<nsIAtom> |
| michael@0 | 47 | nsLanguageAtomService::LookupCharSet(const char *aCharSet, nsresult *aError) |
| michael@0 | 48 | { |
| michael@0 | 49 | if (!mCharSets) { |
| michael@0 | 50 | mCharSets = do_GetService(NS_CHARSETCONVERTERMANAGER_CONTRACTID); |
| michael@0 | 51 | if (!mCharSets) { |
| michael@0 | 52 | if (aError) |
| michael@0 | 53 | *aError = NS_ERROR_FAILURE; |
| michael@0 | 54 | |
| michael@0 | 55 | return nullptr; |
| michael@0 | 56 | } |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | nsCOMPtr<nsIAtom> langGroup; |
| michael@0 | 60 | mCharSets->GetCharsetLangGroup(aCharSet, getter_AddRefs(langGroup)); |
| michael@0 | 61 | if (!langGroup) { |
| michael@0 | 62 | if (aError) |
| michael@0 | 63 | *aError = NS_ERROR_FAILURE; |
| michael@0 | 64 | |
| michael@0 | 65 | return nullptr; |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | if (aError) |
| michael@0 | 69 | *aError = NS_OK; |
| michael@0 | 70 | |
| michael@0 | 71 | return langGroup.forget(); |
| michael@0 | 72 | } |
| michael@0 | 73 | |
| michael@0 | 74 | nsIAtom* |
| michael@0 | 75 | nsLanguageAtomService::GetLocaleLanguage(nsresult *aError) |
| michael@0 | 76 | { |
| michael@0 | 77 | nsresult res = NS_OK; |
| michael@0 | 78 | |
| michael@0 | 79 | do { |
| michael@0 | 80 | if (!mLocaleLanguage) { |
| michael@0 | 81 | nsCOMPtr<nsILocaleService> localeService; |
| michael@0 | 82 | localeService = do_GetService(NS_LOCALESERVICE_CONTRACTID); |
| michael@0 | 83 | if (!localeService) { |
| michael@0 | 84 | res = NS_ERROR_FAILURE; |
| michael@0 | 85 | break; |
| michael@0 | 86 | } |
| michael@0 | 87 | |
| michael@0 | 88 | nsCOMPtr<nsILocale> locale; |
| michael@0 | 89 | res = localeService->GetApplicationLocale(getter_AddRefs(locale)); |
| michael@0 | 90 | if (NS_FAILED(res)) |
| michael@0 | 91 | break; |
| michael@0 | 92 | |
| michael@0 | 93 | nsAutoString loc; |
| michael@0 | 94 | res = locale->GetCategory(NS_LITERAL_STRING(NSILOCALE_MESSAGE), loc); |
| michael@0 | 95 | if (NS_FAILED(res)) |
| michael@0 | 96 | break; |
| michael@0 | 97 | |
| michael@0 | 98 | ToLowerCase(loc); // use lowercase for all language atoms |
| michael@0 | 99 | mLocaleLanguage = do_GetAtom(loc); |
| michael@0 | 100 | } |
| michael@0 | 101 | } while (0); |
| michael@0 | 102 | |
| michael@0 | 103 | if (aError) |
| michael@0 | 104 | *aError = res; |
| michael@0 | 105 | |
| michael@0 | 106 | return mLocaleLanguage; |
| michael@0 | 107 | } |
| michael@0 | 108 | |
| michael@0 | 109 | nsIAtom* |
| michael@0 | 110 | nsLanguageAtomService::GetLanguageGroup(nsIAtom *aLanguage, |
| michael@0 | 111 | nsresult *aError) |
| michael@0 | 112 | { |
| michael@0 | 113 | nsIAtom *retVal; |
| michael@0 | 114 | nsresult res = NS_OK; |
| michael@0 | 115 | |
| michael@0 | 116 | retVal = mLangToGroup.GetWeak(aLanguage); |
| michael@0 | 117 | |
| michael@0 | 118 | if (!retVal) { |
| michael@0 | 119 | if (!mLangGroups) { |
| michael@0 | 120 | if (NS_FAILED(InitLangGroupTable())) { |
| michael@0 | 121 | if (aError) { |
| michael@0 | 122 | *aError = NS_ERROR_FAILURE; |
| michael@0 | 123 | } |
| michael@0 | 124 | return nullptr; |
| michael@0 | 125 | } |
| michael@0 | 126 | } |
| michael@0 | 127 | |
| michael@0 | 128 | nsString langStr; |
| michael@0 | 129 | aLanguage->ToString(langStr); |
| michael@0 | 130 | |
| michael@0 | 131 | nsXPIDLString langGroupStr; |
| michael@0 | 132 | res = mLangGroups->GetStringFromName(langStr.get(), |
| michael@0 | 133 | getter_Copies(langGroupStr)); |
| michael@0 | 134 | if (NS_FAILED(res)) { |
| michael@0 | 135 | int32_t hyphen = langStr.FindChar('-'); |
| michael@0 | 136 | if (hyphen >= 0) { |
| michael@0 | 137 | nsAutoString truncated(langStr); |
| michael@0 | 138 | truncated.Truncate(hyphen); |
| michael@0 | 139 | res = mLangGroups->GetStringFromName(truncated.get(), |
| michael@0 | 140 | getter_Copies(langGroupStr)); |
| michael@0 | 141 | if (NS_FAILED(res)) { |
| michael@0 | 142 | langGroupStr.AssignLiteral("x-unicode"); |
| michael@0 | 143 | } |
| michael@0 | 144 | } else { |
| michael@0 | 145 | langGroupStr.AssignLiteral("x-unicode"); |
| michael@0 | 146 | } |
| michael@0 | 147 | } |
| michael@0 | 148 | |
| michael@0 | 149 | nsCOMPtr<nsIAtom> langGroup = do_GetAtom(langGroupStr); |
| michael@0 | 150 | |
| michael@0 | 151 | // The hashtable will keep an owning reference to the atom |
| michael@0 | 152 | mLangToGroup.Put(aLanguage, langGroup); |
| michael@0 | 153 | retVal = langGroup.get(); |
| michael@0 | 154 | } |
| michael@0 | 155 | |
| michael@0 | 156 | if (aError) { |
| michael@0 | 157 | *aError = res; |
| michael@0 | 158 | } |
| michael@0 | 159 | |
| michael@0 | 160 | return retVal; |
| michael@0 | 161 | } |
