The Tor Browser / file comparison
comparison: intl/locale/src/windows/nsCollationWin.cpp
intl/locale/src/windows/nsCollationWin.cpp
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:8aba6f62089a |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 | |
| 7 #include "nsCollationWin.h" | |
| 8 #include "nsIServiceManager.h" | |
| 9 #include "nsIComponentManager.h" | |
| 10 #include "nsILocaleService.h" | |
| 11 #include "nsIPlatformCharset.h" | |
| 12 #include "nsWin32Locale.h" | |
| 13 #include "nsCOMPtr.h" | |
| 14 #include "prmem.h" | |
| 15 #include "plstr.h" | |
| 16 #include <windows.h> | |
| 17 | |
| 18 #undef CompareString | |
| 19 | |
| 20 NS_IMPL_ISUPPORTS(nsCollationWin, nsICollation) | |
| 21 | |
| 22 | |
| 23 nsCollationWin::nsCollationWin() : mCollation(nullptr) | |
| 24 { | |
| 25 } | |
| 26 | |
| 27 nsCollationWin::~nsCollationWin() | |
| 28 { | |
| 29 if (mCollation) | |
| 30 delete mCollation; | |
| 31 } | |
| 32 | |
| 33 nsresult nsCollationWin::Initialize(nsILocale* locale) | |
| 34 { | |
| 35 NS_ASSERTION(!mCollation, "Should only be initialized once."); | |
| 36 | |
| 37 nsresult res; | |
| 38 | |
| 39 mCollation = new nsCollation; | |
| 40 | |
| 41 // default LCID (en-US) | |
| 42 mLCID = 1033; | |
| 43 | |
| 44 nsAutoString localeStr; | |
| 45 | |
| 46 // get locale string, use app default if no locale specified | |
| 47 if (!locale) { | |
| 48 nsCOMPtr<nsILocaleService> localeService = | |
| 49 do_GetService(NS_LOCALESERVICE_CONTRACTID); | |
| 50 if (localeService) { | |
| 51 nsCOMPtr<nsILocale> appLocale; | |
| 52 res = localeService->GetApplicationLocale(getter_AddRefs(appLocale)); | |
| 53 if (NS_SUCCEEDED(res)) { | |
| 54 res = appLocale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"), | |
| 55 localeStr); | |
| 56 } | |
| 57 } | |
| 58 } | |
| 59 else { | |
| 60 res = locale->GetCategory(NS_LITERAL_STRING("NSILOCALE_COLLATE"), | |
| 61 localeStr); | |
| 62 } | |
| 63 | |
| 64 // Get LCID and charset name from locale, if available | |
| 65 LCID lcid; | |
| 66 res = nsWin32Locale::GetPlatformLocale(localeStr, &lcid); | |
| 67 if (NS_SUCCEEDED(res)) { | |
| 68 mLCID = lcid; | |
| 69 } | |
| 70 | |
| 71 nsCOMPtr <nsIPlatformCharset> platformCharset = | |
| 72 do_GetService(NS_PLATFORMCHARSET_CONTRACTID); | |
| 73 if (platformCharset) { | |
| 74 nsAutoCString mappedCharset; | |
| 75 res = platformCharset->GetDefaultCharsetForLocale(localeStr, mappedCharset); | |
| 76 if (NS_SUCCEEDED(res)) { | |
| 77 mCollation->SetCharset(mappedCharset.get()); | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 return NS_OK; | |
| 82 } | |
| 83 | |
| 84 | |
| 85 NS_IMETHODIMP nsCollationWin::CompareString(int32_t strength, | |
| 86 const nsAString & string1, | |
| 87 const nsAString & string2, | |
| 88 int32_t *result) | |
| 89 { | |
| 90 int retval; | |
| 91 nsresult res; | |
| 92 DWORD dwMapFlags = 0; | |
| 93 | |
| 94 if (strength == kCollationCaseInSensitive) | |
| 95 dwMapFlags |= NORM_IGNORECASE; | |
| 96 | |
| 97 retval = ::CompareStringW(mLCID, | |
| 98 dwMapFlags, | |
| 99 (LPCWSTR) PromiseFlatString(string1).get(), | |
| 100 -1, | |
| 101 (LPCWSTR) PromiseFlatString(string2).get(), | |
| 102 -1); | |
| 103 if (retval) { | |
| 104 res = NS_OK; | |
| 105 *result = retval - 2; | |
| 106 } else { | |
| 107 res = NS_ERROR_FAILURE; | |
| 108 } | |
| 109 | |
| 110 return res; | |
| 111 } | |
| 112 | |
| 113 | |
| 114 nsresult nsCollationWin::AllocateRawSortKey(int32_t strength, | |
| 115 const nsAString& stringIn, uint8_t** key, uint32_t* outLen) | |
| 116 { | |
| 117 int byteLen; | |
| 118 void *buffer; | |
| 119 nsresult res = NS_OK; | |
| 120 DWORD dwMapFlags = LCMAP_SORTKEY; | |
| 121 | |
| 122 if (strength == kCollationCaseInSensitive) | |
| 123 dwMapFlags |= NORM_IGNORECASE; | |
| 124 | |
| 125 byteLen = LCMapStringW(mLCID, dwMapFlags, | |
| 126 (LPCWSTR) PromiseFlatString(stringIn).get(), | |
| 127 -1, nullptr, 0); | |
| 128 buffer = PR_Malloc(byteLen); | |
| 129 if (!buffer) { | |
| 130 res = NS_ERROR_OUT_OF_MEMORY; | |
| 131 } else { | |
| 132 *key = (uint8_t *)buffer; | |
| 133 *outLen = LCMapStringW(mLCID, dwMapFlags, | |
| 134 (LPCWSTR) PromiseFlatString(stringIn).get(), | |
| 135 -1, (LPWSTR) buffer, byteLen); | |
| 136 } | |
| 137 return res; | |
| 138 } | |
| 139 | |
| 140 nsresult nsCollationWin::CompareRawSortKey(const uint8_t* key1, uint32_t len1, | |
| 141 const uint8_t* key2, uint32_t len2, | |
| 142 int32_t* result) | |
| 143 { | |
| 144 *result = PL_strcmp((const char *)key1, (const char *)key2); | |
| 145 return NS_OK; | |
| 146 } |
