author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 24 Sep 2009 12:53:48 +0300 | |
changeset 11 | c8a366e56285 |
parent 0 | dd21522fd290 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. |
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* Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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#include "TextCodecMac.h" |
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#include "CString.h" |
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#include "CharacterNames.h" |
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#include "CharsetData.h" |
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#include "PlatformString.h" |
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#include <wtf/Assertions.h> |
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using std::auto_ptr; |
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using std::min; |
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namespace WebCore { |
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// We need to keep this because ICU doesn't support some of the encodings that we need: |
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// <http://bugs.webkit.org/show_bug.cgi?id=4195>. |
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const size_t ConversionBufferSize = 16384; |
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static TECObjectRef cachedConverterTEC; |
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static TECTextEncodingID cachedConverterEncoding = invalidEncoding; |
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void TextCodecMac::registerEncodingNames(EncodingNameRegistrar registrar) |
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{ |
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TECTextEncodingID lastEncoding = invalidEncoding; |
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const char* lastName = 0; |
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for (size_t i = 0; CharsetTable[i].name; ++i) { |
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if (CharsetTable[i].encoding != lastEncoding) { |
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lastEncoding = CharsetTable[i].encoding; |
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lastName = CharsetTable[i].name; |
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} |
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registrar(CharsetTable[i].name, lastName); |
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} |
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} |
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static auto_ptr<TextCodec> newTextCodecMac(const TextEncoding&, const void* additionalData) |
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{ |
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return auto_ptr<TextCodec>(new TextCodecMac(*static_cast<const TECTextEncodingID*>(additionalData))); |
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} |
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void TextCodecMac::registerCodecs(TextCodecRegistrar registrar) |
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{ |
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TECTextEncodingID lastEncoding = invalidEncoding; |
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for (size_t i = 0; CharsetTable[i].name; ++i) |
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if (CharsetTable[i].encoding != lastEncoding) { |
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registrar(CharsetTable[i].name, newTextCodecMac, &CharsetTable[i].encoding); |
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lastEncoding = CharsetTable[i].encoding; |
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} |
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} |
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TextCodecMac::TextCodecMac(TECTextEncodingID encoding) |
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: m_encoding(encoding) |
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, m_error(false) |
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, m_numBufferedBytes(0) |
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, m_converterTEC(0) |
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{ |
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} |
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TextCodecMac::~TextCodecMac() |
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{ |
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releaseTECConverter(); |
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} |
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void TextCodecMac::releaseTECConverter() const |
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{ |
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if (m_converterTEC) { |
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if (cachedConverterTEC != 0) |
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TECDisposeConverter(cachedConverterTEC); |
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cachedConverterTEC = m_converterTEC; |
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cachedConverterEncoding = m_encoding; |
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m_converterTEC = 0; |
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} |
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} |
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OSStatus TextCodecMac::createTECConverter() const |
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{ |
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bool cachedEncodingEqual = cachedConverterEncoding == m_encoding; |
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cachedConverterEncoding = invalidEncoding; |
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|
108 |
if (cachedEncodingEqual && cachedConverterTEC) { |
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109 |
m_converterTEC = cachedConverterTEC; |
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|
110 |
cachedConverterTEC = 0; |
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|
111 |
TECClearConverterContextInfo(m_converterTEC); |
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|
112 |
} else { |
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113 |
OSStatus status = TECCreateConverter(&m_converterTEC, m_encoding, |
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114 |
CreateTextEncoding(kTextEncodingUnicodeDefault, kTextEncodingDefaultVariant, kUnicode16BitFormat)); |
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115 |
if (status) |
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116 |
return status; |
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|
117 |
|
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118 |
TECSetBasicOptions(m_converterTEC, kUnicodeForceASCIIRangeMask); |
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119 |
} |
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120 |
|
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121 |
return noErr; |
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122 |
} |
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123 |
|
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124 |
OSStatus TextCodecMac::decode(const unsigned char* inputBuffer, int inputBufferLength, int& inputLength, |
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125 |
void *outputBuffer, int outputBufferLength, int& outputLength) |
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126 |
{ |
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127 |
OSStatus status; |
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128 |
unsigned long bytesRead = 0; |
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unsigned long bytesWritten = 0; |
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130 |
|
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131 |
if (m_numBufferedBytes != 0) { |
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132 |
// Finish converting a partial character that's in our buffer. |
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133 |
|
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134 |
// First, fill the partial character buffer with as many bytes as are available. |
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135 |
ASSERT(m_numBufferedBytes < sizeof(m_bufferedBytes)); |
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136 |
const int spaceInBuffer = sizeof(m_bufferedBytes) - m_numBufferedBytes; |
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137 |
const int bytesToPutInBuffer = MIN(spaceInBuffer, inputBufferLength); |
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138 |
ASSERT(bytesToPutInBuffer != 0); |
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139 |
memcpy(m_bufferedBytes + m_numBufferedBytes, inputBuffer, bytesToPutInBuffer); |
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140 |
|
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|
141 |
// Now, do a conversion on the buffer. |
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142 |
status = TECConvertText(m_converterTEC, m_bufferedBytes, m_numBufferedBytes + bytesToPutInBuffer, &bytesRead, |
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143 |
reinterpret_cast<unsigned char*>(outputBuffer), outputBufferLength, &bytesWritten); |
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144 |
ASSERT(bytesRead <= m_numBufferedBytes + bytesToPutInBuffer); |
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|
145 |
|
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146 |
if (status == kTECPartialCharErr && bytesRead == 0) { |
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147 |
// Handle the case where the partial character was not converted. |
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148 |
if (bytesToPutInBuffer >= spaceInBuffer) { |
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149 |
LOG_ERROR("TECConvertText gave a kTECPartialCharErr but read none of the %u bytes in the buffer", sizeof(m_bufferedBytes)); |
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150 |
m_numBufferedBytes = 0; |
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151 |
status = kTECUnmappableElementErr; // should never happen, but use this error code |
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152 |
} else { |
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153 |
// Tell the caller we read all the source bytes and keep them in the buffer. |
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154 |
m_numBufferedBytes += bytesToPutInBuffer; |
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|
155 |
bytesRead = bytesToPutInBuffer; |
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156 |
status = noErr; |
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157 |
} |
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158 |
} else { |
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159 |
// We are done with the partial character buffer. |
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160 |
// Also, we have read some of the bytes from the main buffer. |
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161 |
if (bytesRead > m_numBufferedBytes) { |
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|
162 |
bytesRead -= m_numBufferedBytes; |
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|
163 |
} else { |
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|
164 |
LOG_ERROR("TECConvertText accepted some bytes it previously rejected with kTECPartialCharErr"); |
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165 |
bytesRead = 0; |
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|
166 |
} |
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|
167 |
m_numBufferedBytes = 0; |
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|
168 |
if (status == kTECPartialCharErr) { |
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|
169 |
// While there may be a partial character problem in the small buffer, |
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170 |
// we have to try again and not get confused and think there is a partial |
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|
171 |
// character problem in the large buffer. |
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|
172 |
status = noErr; |
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|
173 |
} |
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|
174 |
} |
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|
175 |
} else { |
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|
176 |
status = TECConvertText(m_converterTEC, inputBuffer, inputBufferLength, &bytesRead, |
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|
177 |
static_cast<unsigned char*>(outputBuffer), outputBufferLength, &bytesWritten); |
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|
178 |
ASSERT(static_cast<int>(bytesRead) <= inputBufferLength); |
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|
179 |
} |
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|
180 |
|
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|
181 |
// Work around bug 3351093, where sometimes we get kTECBufferBelowMinimumSizeErr instead of kTECOutputBufferFullStatus. |
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|
182 |
if (status == kTECBufferBelowMinimumSizeErr && bytesWritten != 0) { |
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|
183 |
status = kTECOutputBufferFullStatus; |
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|
184 |
} |
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|
185 |
|
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|
186 |
inputLength = bytesRead; |
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|
187 |
outputLength = bytesWritten; |
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|
188 |
return status; |
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|
189 |
} |
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|
190 |
|
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|
191 |
String TextCodecMac::decode(const char* bytes, size_t length, bool flush) |
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192 |
{ |
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193 |
// Get a converter for the passed-in encoding. |
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194 |
if (!m_converterTEC && createTECConverter() != noErr) |
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|
195 |
return String(); |
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|
196 |
|
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197 |
Vector<UChar> result; |
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|
198 |
|
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199 |
const unsigned char* sourcePointer = reinterpret_cast<const unsigned char*>(bytes); |
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|
200 |
int sourceLength = length; |
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|
201 |
bool bufferWasFull = false; |
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202 |
UniChar buffer[ConversionBufferSize]; |
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|
203 |
|
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|
204 |
while (sourceLength || bufferWasFull) { |
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|
205 |
int bytesRead = 0; |
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206 |
int bytesWritten = 0; |
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|
207 |
OSStatus status = decode(sourcePointer, sourceLength, bytesRead, buffer, sizeof(buffer), bytesWritten); |
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|
208 |
ASSERT(bytesRead <= sourceLength); |
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|
209 |
sourcePointer += bytesRead; |
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|
210 |
sourceLength -= bytesRead; |
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|
211 |
|
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212 |
switch (status) { |
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|
213 |
case noErr: |
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|
214 |
case kTECOutputBufferFullStatus: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
215 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
216 |
case kTextMalformedInputErr: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
217 |
case kTextUndefinedElementErr: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
218 |
// FIXME: Put FFFD character into the output string in this case? |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
219 |
TECClearConverterContextInfo(m_converterTEC); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
220 |
if (sourceLength) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
221 |
sourcePointer += 1; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
222 |
sourceLength -= 1; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
223 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
224 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
225 |
case kTECPartialCharErr: { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
226 |
// Put the partial character into the buffer. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
227 |
ASSERT(m_numBufferedBytes == 0); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
228 |
const int bufferSize = sizeof(m_numBufferedBytes); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
229 |
if (sourceLength < bufferSize) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
230 |
memcpy(m_bufferedBytes, sourcePointer, sourceLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
231 |
m_numBufferedBytes = sourceLength; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
232 |
} else { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
233 |
LOG_ERROR("TECConvertText gave a kTECPartialCharErr, but left %u bytes in the buffer", sourceLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
234 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
235 |
sourceLength = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
236 |
break; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
237 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
238 |
default: |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
239 |
LOG_ERROR("text decoding failed with error %d", status); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
240 |
m_error = true; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
241 |
return String(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
242 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
243 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
244 |
ASSERT(!(bytesWritten % sizeof(UChar))); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
245 |
appendOmittingBOM(result, buffer, bytesWritten / sizeof(UChar)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
246 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
247 |
bufferWasFull = status == kTECOutputBufferFullStatus; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
248 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
249 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
250 |
if (flush) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
251 |
unsigned long bytesWritten = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
252 |
TECFlushText(m_converterTEC, reinterpret_cast<unsigned char*>(buffer), sizeof(buffer), &bytesWritten); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
253 |
ASSERT(!(bytesWritten % sizeof(UChar))); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
254 |
appendOmittingBOM(result, buffer, bytesWritten / sizeof(UChar)); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
255 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
256 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
257 |
String resultString = String::adopt(result); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
258 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
259 |
// Workaround for a bug in the Text Encoding Converter (see bug 3225472). |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
260 |
// Simplified Chinese pages use the code U+A3A0 to mean "full-width space". |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
261 |
// But GB18030 decodes it to U+E5E5, which is correct in theory but not in practice. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
262 |
// To work around, just change all occurences of U+E5E5 to U+3000 (ideographic space). |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
263 |
if (m_encoding == kCFStringEncodingGB_18030_2000) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
264 |
resultString.replace(0xE5E5, ideographicSpace); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
265 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
266 |
return resultString; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
267 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
268 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
269 |
CString TextCodecMac::encode(const UChar* characters, size_t length, bool allowEntities) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
270 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
271 |
// FIXME: We should really use TEC here instead of CFString for consistency with the other direction. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
272 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
273 |
// FIXME: Since there's no "force ASCII range" mode in CFString, we change the backslash into a yen sign. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
274 |
// Encoding will change the yen sign back into a backslash. |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
275 |
String copy(characters, length); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
276 |
copy.replace('\\', m_backslashAsCurrencySymbol); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
277 |
CFStringRef cfs = copy.createCFString(); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
278 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
279 |
CFIndex startPos = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
280 |
CFIndex charactersLeft = CFStringGetLength(cfs); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
281 |
Vector<char> result; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
282 |
size_t size = 0; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
283 |
UInt8 lossByte = allowEntities ? 0 : '?'; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
284 |
while (charactersLeft > 0) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
285 |
CFRange range = CFRangeMake(startPos, charactersLeft); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
286 |
CFIndex bufferLength; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
287 |
CFStringGetBytes(cfs, range, m_encoding, lossByte, false, NULL, 0x7FFFFFFF, &bufferLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
288 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
289 |
result.resize(size + bufferLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
290 |
unsigned char* buffer = reinterpret_cast<unsigned char*>(result.data() + size); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
291 |
CFIndex charactersConverted = CFStringGetBytes(cfs, range, m_encoding, lossByte, false, buffer, bufferLength, &bufferLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
292 |
size += bufferLength; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
293 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
294 |
if (charactersConverted != charactersLeft) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
295 |
unsigned badChar = CFStringGetCharacterAtIndex(cfs, startPos + charactersConverted); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
296 |
++charactersConverted; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
297 |
if ((badChar & 0xFC00) == 0xD800 && charactersConverted != charactersLeft) { // is high surrogate |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
298 |
UniChar low = CFStringGetCharacterAtIndex(cfs, startPos + charactersConverted); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
299 |
if ((low & 0xFC00) == 0xDC00) { // is low surrogate |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
300 |
badChar <<= 10; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
301 |
badChar += low; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
302 |
badChar += 0x10000 - (0xD800 << 10) - 0xDC00; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
303 |
++charactersConverted; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
304 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
305 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
306 |
char entityBuffer[16]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
307 |
sprintf(entityBuffer, "&#%u;", badChar); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
308 |
size_t entityLength = strlen(entityBuffer); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
309 |
result.resize(size + entityLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
310 |
memcpy(result.data() + size, entityBuffer, entityLength); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
311 |
size += entityLength; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
312 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
313 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
314 |
startPos += charactersConverted; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
315 |
charactersLeft -= charactersConverted; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
316 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
317 |
CFRelease(cfs); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
318 |
return CString(result.data(), size); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
319 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
320 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
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} // namespace WebCore |