author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:56:02 +0200 | |
changeset 0 | e83bab7cf002 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: OSN string data implementation. |
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* |
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*/ |
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|
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|
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#include <stdio.h> |
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#include <stdarg.h> |
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|
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#if defined(__GNUC__) |
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#include <string.h> |
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#else |
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#include <libc/string.h> |
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#endif |
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|
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#include <osn/osntypes.h> |
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|
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#include "alfstringdata.h" |
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//#include "osn/char.h" |
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#include <osn/osnbadalloc.h> |
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|
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using namespace std; |
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|
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namespace osncore |
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{ |
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|
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|
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|
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// ------------------------------------------------------------------------- |
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// stringData |
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// ------------------------------------------------------------------------- |
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SAlfStringData::SAlfStringData() : refCount(1), /*_unicode(0),*/ _ascii(0), _maxAscii(QS_INTERNAL_BUFFER_CHARS), _isAsciiValid(1) |
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{ |
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//#ifdef QSTRING_DEBUG_ALLOCATIONS |
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// stringDataInstances++; |
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//#endif |
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refCount = 1; |
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_length=0; |
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// _unicode = 0; |
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_isUnicodeValid=0; |
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_isAsciiValid = 1; |
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_isHeapAllocated=0; |
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_ascii = _internalBuffer; |
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_internalBuffer[0] = 0; |
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} |
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|
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SAlfStringData::~SAlfStringData() |
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{ |
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// ASSERT(refCount == 0); |
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/* if (_unicode && !isUnicodeInternal()) |
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{ |
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DELETE_QCHAR(_unicode); |
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} |
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*/ |
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if (_ascii && !isAsciiInternal()) |
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{ |
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DELETE_CHAR(_ascii); |
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} |
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|
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} |
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|
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|
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// Copy data |
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void SAlfStringData::initialize(const char *a, int l) |
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{ |
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refCount = 1; |
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_length = l; |
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// _unicode = 0; |
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_isUnicodeValid = 0; |
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_maxUnicode = 0; |
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_isAsciiValid = 1; |
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_isHeapAllocated = 0; |
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|
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if (l > QS_INTERNAL_BUFFER_CHARS) |
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{ |
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_maxAscii = ALLOC_CHAR_GOOD_SIZE(l+1); |
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_ascii = ALLOC_CHAR(_maxAscii); |
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//Make sure we have memory before doing data copy. |
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if(_ascii) |
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{ |
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if (a) |
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{ |
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memcpy(_ascii, a, l); |
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} |
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_ascii[l] = 0; |
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} |
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else{ |
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_length = 0; |
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refCount = 0; |
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_length = 0; |
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// _unicode = 0; |
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_isUnicodeValid = 0; |
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_maxUnicode = 0; |
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_isAsciiValid = 1; |
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_isHeapAllocated = 0; |
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throw bad_alloc(); |
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109 |
} |
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} |
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111 |
else { |
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_maxAscii = QS_INTERNAL_BUFFER_CHARS; |
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_ascii = _internalBuffer; |
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114 |
if (a) |
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115 |
memcpy(_internalBuffer, a, l); |
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_internalBuffer[l] = 0; |
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} |
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118 |
|
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119 |
|
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} |
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121 |
|
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122 |
|
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123 |
bool SAlfStringData::increaseAsciiSize(uint size) |
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124 |
{ |
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//ASSERT(this != QString::shared_null); |
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126 |
|
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uint newSize = (uint)ALLOC_CHAR_GOOD_SIZE((size * 3 + 1) / 2); |
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128 |
|
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/* |
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if (!_isAsciiValid) |
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return false; |
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*/ |
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// ASSERT(_isAsciiValid); |
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134 |
|
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if (isAsciiInternal()) { |
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char *newAscii = ALLOC_CHAR(newSize); |
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if( !newAscii ) return false; |
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138 |
|
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if (_length) |
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memcpy(newAscii, _ascii, _length); |
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_ascii = newAscii; |
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} else { |
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char* ap = _ascii; |
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_ascii = REALLOC_CHAR( _ascii, newSize ); |
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145 |
|
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if( !_ascii ) |
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147 |
{ |
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148 |
// memory manager won't delete the original pointer if realloc failed |
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_ascii = ap; |
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return false; |
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} |
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152 |
} |
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153 |
|
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_maxAscii = newSize; |
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_isAsciiValid = 1; |
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_isUnicodeValid = 0; |
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return true; |
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} |
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159 |
|
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160 |
|
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161 |
|
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162 |
|
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163 |
|
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char* SAlfStringData::ascii() |
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165 |
{ |
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// return _isAsciiValid ? _ascii :0; |
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return _ascii; |
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} |
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169 |
|
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170 |
|
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171 |
/* |
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AlfChar *SAlfStringData::makeUnicode() |
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173 |
{ |
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174 |
//ASSERT(this != QString::shared_null); |
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175 |
|
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176 |
if (_isAsciiValid){ |
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177 |
char copyBuf[QS_INTERNAL_BUFFER_CHARS]; |
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// char *str; |
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179 |
|
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if (_unicode && !isUnicodeInternal()) |
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DELETE_QCHAR(_unicode); |
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182 |
|
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if (_length <= QS_INTERNAL_BUFFER_UCHARS){ |
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184 |
if (isAsciiInternal()) { |
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uint i = _length; |
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char *tp = ©Buf[0], *fp = _ascii; |
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while (i--) |
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*tp++ = *fp++; |
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// str = ©Buf[0]; |
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_isAsciiValid = 0; |
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191 |
} |
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192 |
else |
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193 |
{ |
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194 |
// str = _ascii; |
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195 |
|
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196 |
} |
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_unicode = (AlfChar *)_internalBuffer; |
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_maxUnicode = QS_INTERNAL_BUFFER_UCHARS; |
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199 |
} |
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200 |
else { |
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201 |
uint newSize = ALLOC_QCHAR_GOOD_SIZE(_length); |
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_unicode = ALLOC_QCHAR(newSize); |
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203 |
if( !_unicode ) |
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204 |
{ |
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_maxUnicode = 0; |
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return 0; |
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207 |
} |
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208 |
_maxUnicode = newSize; |
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209 |
// str = _ascii; |
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210 |
} |
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211 |
// uint i = _length; |
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// AlfChar *cp = _unicode; |
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// while ( i-- ) |
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// *cp++ = *str++; |
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215 |
|
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216 |
_isUnicodeValid = 1; |
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217 |
} |
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218 |
// else if (!_isUnicodeValid) |
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// FATAL("invalid character cache",0); |
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return _unicode; |
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} |
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*/ |
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} // osncore |
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