зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.2 KiB
C++
86 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCollation.h"
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#include "nsCOMPtr.h"
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#include "nsUnicharUtils.h"
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#include "prmem.h"
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#include <string.h>
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nsCollation::nsCollation()
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{
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}
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nsCollation::~nsCollation()
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{
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}
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NS_IMPL_ISUPPORTS(nsCollation, nsICollation)
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NS_IMETHODIMP
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nsCollation::Initialize(const nsACString& locale)
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{
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// Android doesn't have locale support
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCollation::CompareString(int32_t strength,
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const nsAString& string1,
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const nsAString& string2,
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int32_t* result)
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{
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NS_ENSURE_ARG_POINTER(result);
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nsAutoString stringNormalized1(string1);
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nsAutoString stringNormalized2(string2);
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if (strength != kCollationCaseSensitive) {
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ToLowerCase(stringNormalized1);
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ToLowerCase(stringNormalized2);
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}
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*result = strcmp(NS_ConvertUTF16toUTF8(stringNormalized1).get(),
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NS_ConvertUTF16toUTF8(stringNormalized2).get());
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCollation::AllocateRawSortKey(int32_t strength,
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const nsAString& stringIn,
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uint8_t** key, uint32_t* outLen)
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{
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NS_ENSURE_ARG_POINTER(key);
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NS_ENSURE_ARG_POINTER(outLen);
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nsAutoString stringNormalized(stringIn);
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if (strength != kCollationCaseSensitive) {
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ToLowerCase(stringNormalized);
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}
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NS_ConvertUTF16toUTF8 str(stringNormalized);
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size_t len = str.Length() + 1;
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void *buffer = PR_Malloc(len);
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memcpy(buffer, str.get(), len);
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*key = (uint8_t *)buffer;
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*outLen = len;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCollation::CompareRawSortKey(const uint8_t* key1, uint32_t len1,
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const uint8_t* key2, uint32_t len2,
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int32_t* result)
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{
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NS_ENSURE_ARG_POINTER(key1);
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NS_ENSURE_ARG_POINTER(key2);
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NS_ENSURE_ARG_POINTER(result);
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*result = strcmp((const char *)key1, (const char *)key2);
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return NS_OK;
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}
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