author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:17:46 +0300 | |
branch | RCL_3 |
changeset 93 | 79859ed3eea9 |
parent 92 | e1bea15f9a39 |
child 94 | 919f36ff910f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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 the License "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: |
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* |
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*/ |
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|
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#include "config.h" |
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#include "../../bidi.h" |
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|
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#include "WebTextFormatMask.h" |
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|
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#include "Frame.h" |
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#include "Editor.h" |
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#include "string.h" |
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#include "HTMLNames.h" |
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#include "HTMLInputElement.h" |
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|
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#include "Text.h" |
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#include "CString.h" |
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#include "DeprecatedCString.h" |
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#include "SelectionController.h" |
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using namespace WebCore; |
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static const int kInfinite = -1; |
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|
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// help functions |
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inline bool isPunctuation(TChar::TCategory category) { return (category & 0xF0) == TChar::EPunctuationGroup; } |
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inline bool isSymbol(TChar::TCategory category) { return (category & 0xF0) == TChar::ESymbolGroup; } |
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inline bool isLowerCase(TChar::TCategory category) { return category == TChar::ELlCategory; } |
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inline bool isUpperCase(TChar::TCategory category) { return category == TChar::ELuCategory; } |
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inline bool isDigit(TChar::TCategory category) { return category == TChar::ENdCategory; } |
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|
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// NOTE: it seems more logical to put WebTextFormatMask as a member of |
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// RenderStyle. This way we just need to parse the format mask string once |
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// when parsing CSS. However, for now we don't want to mess up with css code |
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// in webcore, and anyway wap css is not used very often. |
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|
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WebTextFormatMask::WebTextFormatMask(const String& str, bool required) |
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: m_masks(0), m_currentMask(0), m_acceptAll(false), m_inputRequired(required) |
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{ |
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buildMaskList(str); |
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m_currentMask = m_masks; |
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} |
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WebTextFormatMask::~WebTextFormatMask() |
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{ |
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clearMaskList(); |
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} |
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void WebTextFormatMask::buildMaskList(const String& str) |
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{ |
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// *M or *m |
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if (str.isEmpty() || str=="*M" || str=="*m") { |
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m_acceptAll = true; |
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return; |
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} |
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// parse the string |
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const UChar* p = String(str).charactersWithNullTermination(); |
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UChar ch; |
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int mul = 1; |
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bool result = true; |
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while( ch = *p++ ) { |
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switch(ch) { |
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case 'a': result = createMask( ELeLoSymPuc, mul ); break; |
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case 'A': result = createMask( ELeUpSymPuc, mul ); break; |
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case 'n': result = createMask( ENumSymPuc, mul ); break; |
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case 'N': result = createMask( ENumChar, mul ); break; |
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case 'x': result = createMask( ELeLoNumSymPuc, mul ); break; |
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case 'X': result = createMask( ELeUpNumSymPuc, mul ); break; |
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case 'm': result = createMask( EAnyLow, mul ); break; |
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case 'M': result = createMask( EAnyUpper, mul ); break; |
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case '*': mul = kInfinite; break; |
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case '\\':result = createStaticMask(p); break; |
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default: { |
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// 'nf' |
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if( isdigit(ch) ) |
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mul = parseMultitude(--p, result); |
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else |
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result = false; |
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break; |
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} |
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} |
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if(!result) { |
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// something wrong with the format string, fallback to |
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// accept all characters. |
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clearMaskList(); |
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m_acceptAll = true; |
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return; |
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} |
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} |
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|
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} |
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107 |
void WebTextFormatMask::clearMaskList() |
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|
108 |
{ |
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|
109 |
MaskBase* m = m_masks; |
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|
110 |
MaskBase* p = m; |
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|
111 |
while(p) { |
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|
112 |
p = m->m_next; |
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|
113 |
delete m; |
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|
114 |
m = p; |
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|
115 |
} |
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|
116 |
m_masks = NULL; |
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|
117 |
} |
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|
118 |
|
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|
119 |
bool WebTextFormatMask::createMask( TInputFormatMaskType type, int& multi ) |
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|
120 |
{ |
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|
121 |
MaskBase* m = NULL; |
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|
122 |
if( multi == 1 ) |
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|
123 |
m = new MaskSingle( type ); |
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|
124 |
else |
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|
125 |
m = new MaskComposite( type, multi ); |
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|
126 |
multi = 1; |
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|
127 |
return appendMask(m); |
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|
128 |
} |
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|
129 |
|
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130 |
int WebTextFormatMask::parseMultitude( const UChar*& p, bool& result ) |
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|
131 |
{ |
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132 |
// start from p, search all digits |
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|
133 |
String dstr; |
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134 |
while(isdigit(*p)) |
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135 |
dstr.append(*p++); |
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|
136 |
|
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|
137 |
// there should be one valid character after digits |
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|
138 |
if(*p == 0) { |
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|
139 |
result = false; |
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|
140 |
return 0; |
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|
141 |
} |
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|
142 |
|
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|
143 |
// parse the digit string |
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|
144 |
int multi = atoi( dstr.latin1().deprecatedCString().data() ); |
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|
145 |
if(multi>0) |
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|
146 |
result = true; |
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|
147 |
return multi; |
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|
148 |
} |
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|
149 |
|
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|
150 |
bool WebTextFormatMask::createStaticMask( const UChar*& p ) |
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|
151 |
{ |
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|
152 |
MaskBase* m = new MaskStatic( *p++ ); |
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|
153 |
return appendMask(m); |
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|
154 |
} |
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|
155 |
|
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|
156 |
bool WebTextFormatMask::checkText( const String& text, ErrorBlock& eb ) |
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|
157 |
{ |
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|
158 |
// "-wap-input-required" takes precedence |
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|
159 |
if(text.length() == 0) { |
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Revision: 200911
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|
160 |
return !m_inputRequired; |
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|
161 |
} |
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|
162 |
|
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|
163 |
if(m_acceptAll) return true; |
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|
164 |
|
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|
165 |
m_currentMask = m_masks; |
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|
166 |
|
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|
167 |
// we have no masks left |
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|
168 |
if( !m_currentMask && text.length()>0 ) { |
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Revision: 200911
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|
169 |
eb.set(0, text.length()); |
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|
170 |
return false; |
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parents:
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|
171 |
} |
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|
172 |
|
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|
173 |
for(int i=0; i<text.length(); ++i) { |
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Revision: 200911
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parents:
diff
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|
174 |
if( !m_currentMask || !m_currentMask->check(text[i]) ) { |
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Revision: 200911
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parents:
diff
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|
175 |
// search all illegal characters in this run |
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Revision: 200911
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parents:
diff
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|
176 |
if( m_currentMask ) { |
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Revision: 200911
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parents:
diff
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|
177 |
if( eb.m_start == -1 ) |
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Revision: 200911
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parents:
diff
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|
178 |
eb.set( i, 1 ); |
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Revision: 200911
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parents:
diff
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|
179 |
else |
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Revision: 200911
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parents:
diff
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|
180 |
eb.m_extent++; |
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|
181 |
} |
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|
182 |
else { |
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Revision: 200911
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parents:
diff
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|
183 |
eb.m_extent += text.length() - i; |
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Revision: 200911
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diff
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|
184 |
return false; |
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parents:
diff
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|
185 |
} |
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parents:
diff
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|
186 |
} |
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Revision: 200911
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parents:
diff
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|
187 |
else if( eb.m_start != -1 ) { |
dd21522fd290
Revision: 200911
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parents:
diff
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|
188 |
// the previous check failed |
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Revision: 200911
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diff
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|
189 |
return false; |
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Revision: 200911
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parents:
diff
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|
190 |
} |
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Revision: 200911
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parents:
diff
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|
191 |
|
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diff
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|
192 |
m_currentMask = m_currentMask->nextMask(); |
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diff
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|
193 |
} |
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Revision: 200911
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parents:
diff
changeset
|
194 |
|
93
79859ed3eea9
Revision: 201034
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
92
diff
changeset
|
195 |
// did we use up all the masks? |
79859ed3eea9
Revision: 201034
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
92
diff
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|
196 |
if(m_currentMask && m_currentMask->multitude() != kInfinite) |
79859ed3eea9
Revision: 201034
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
92
diff
changeset
|
197 |
return false; |
0
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|
198 |
|
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diff
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|
199 |
return (eb.m_start == -1); |
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diff
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|
200 |
} |
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Revision: 200911
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parents:
diff
changeset
|
201 |
|
16
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
202 |
MaskBase* WebTextFormatMask::getMask(int aOffset) |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
203 |
{ |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
204 |
MaskBase* m = m_masks; |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
205 |
int i = 0; |
a359256acfc6
Revision: 200929
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parents:
8
diff
changeset
|
206 |
while(m) { |
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
207 |
if (i == aOffset) { |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
208 |
return m; |
a359256acfc6
Revision: 200929
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parents:
8
diff
changeset
|
209 |
} |
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
210 |
m = m->nextMask(); |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
211 |
++i; |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
212 |
} |
a359256acfc6
Revision: 200929
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parents:
8
diff
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|
213 |
return NULL; |
a359256acfc6
Revision: 200929
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parents:
8
diff
changeset
|
214 |
} |
a359256acfc6
Revision: 200929
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
8
diff
changeset
|
215 |
|
0
dd21522fd290
Revision: 200911
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parents:
diff
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|
216 |
int WebTextFormatMask::getMultitude() |
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Revision: 200911
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diff
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|
217 |
{ |
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Revision: 200911
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parents:
diff
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|
218 |
int count = 0; |
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|
219 |
MaskBase* m = m_masks; |
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|
220 |
while (m) { |
93
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diff
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|
221 |
|
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|
222 |
if (m->multitude() == kInfinite){ |
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diff
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|
223 |
return kInfinite; |
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diff
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|
224 |
} |
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diff
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|
225 |
else { |
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diff
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|
226 |
count += m->multitude(); |
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diff
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|
227 |
} |
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diff
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|
228 |
m = m->nextMask(); |
0
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|
229 |
} |
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|
230 |
|
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|
231 |
return (count)?count:kInfinite; |
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|
232 |
} |
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|
233 |
|
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|
234 |
|
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|
235 |
TInputFormatMaskType WebTextFormatMask::getInputFormatMaskType(Frame* frame, int aOffset) |
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|
236 |
{ |
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|
237 |
|
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|
238 |
int i = 0; |
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|
239 |
MaskBase* m = m_masks; |
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|
240 |
while (m) { |
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|
241 |
if (m->isComposite()){ |
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|
242 |
return m->getInputFormatMaskType(); |
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|
243 |
} |
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|
244 |
else if (i==aOffset) { |
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|
245 |
|
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|
246 |
TInputFormatMaskType ifmt = m->getInputFormatMaskType(); |
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|
247 |
return ifmt; |
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|
248 |
} |
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|
249 |
m = m->nextMask(); |
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Revision: 200911
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|
250 |
++i; |
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|
251 |
} |
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|
252 |
|
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|
253 |
return ENoFormat; |
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|
254 |
} |
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|
255 |
|
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|
256 |
bool WebTextFormatMask::appendMask(MaskBase* m) |
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|
257 |
{ |
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Revision: 200911
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|
258 |
// build the mask chain |
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|
259 |
if( !m_masks ) { |
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Revision: 200911
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|
260 |
m_masks = m; |
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|
261 |
} |
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|
262 |
else { |
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|
263 |
MaskBase* msk = m_masks; |
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Revision: 200911
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|
264 |
while( msk->m_next ) |
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Revision: 200911
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|
265 |
msk = msk->m_next; |
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|
266 |
|
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|
267 |
// composite mask only exists at the end of mask chain. |
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|
268 |
if( msk->isComposite() ) { |
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Revision: 200911
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|
269 |
delete m; |
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|
270 |
return false; |
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|
271 |
} |
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|
272 |
|
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|
273 |
msk->m_next = m; |
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|
274 |
} |
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|
275 |
|
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|
276 |
return true; |
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|
277 |
} |
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|
278 |
|
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|
279 |
MaskComposite::MaskComposite(TInputFormatMaskType t, int mul) |
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|
280 |
: MaskSingle(t), m_offset(0), m_length(mul) |
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|
281 |
{ |
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|
282 |
} |
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diff
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|
283 |
|
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Revision: 200911
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diff
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|
284 |
MaskBase* MaskComposite::nextMask() |
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|
285 |
{ |
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Revision: 200911
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parents:
diff
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|
286 |
if( ++m_offset < m_length || m_length == kInfinite ) |
dd21522fd290
Revision: 200911
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diff
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|
287 |
return this; |
8
7c90e6132015
Revision: 200915
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
0
diff
changeset
|
288 |
m_offset = 0; |
0
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Revision: 200911
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diff
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|
289 |
return NULL; |
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Revision: 200911
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diff
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|
290 |
} |
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Revision: 200911
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diff
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|
291 |
|
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Revision: 200911
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|
292 |
bool MaskSingle::check(UChar ch) |
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diff
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|
293 |
{ |
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|
294 |
|
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|
295 |
TChar::TCategory c = TChar(ch).GetCategory(); |
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Revision: 200911
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diff
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|
296 |
|
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Revision: 200911
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|
297 |
switch(m_type) { |
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Revision: 200911
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diff
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|
298 |
case ELeLoSymPuc: return isLowerCase(c) || isSymbol(c) || isPunctuation(c); |
dd21522fd290
Revision: 200911
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diff
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|
299 |
case ELeUpSymPuc: return isUpperCase(c) || isSymbol(c) || isPunctuation(c); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
300 |
case ENumSymPuc: return isDigit(c) || isSymbol(c) || isPunctuation(c); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
301 |
case ENumChar: return isDigit(c); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
302 |
case ELeLoNumSymPuc: return isLowerCase(c) || isDigit(c) || isSymbol(c) || isPunctuation(c); |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
303 |
case ELeUpNumSymPuc: return isUpperCase(c) || isDigit(c) || isSymbol(c) || isPunctuation(c); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
304 |
case EAnyLow: |
dd21522fd290
Revision: 200911
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parents:
diff
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|
305 |
case EAnyUpper: |
dd21522fd290
Revision: 200911
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parents:
diff
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|
306 |
default: |
dd21522fd290
Revision: 200911
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diff
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|
307 |
return true; |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
308 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
309 |
|
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Revision: 200911
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parents:
diff
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|
310 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
311 |
|
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Revision: 200911
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parents:
diff
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|
312 |
bool MaskStatic::check(UChar ch) |
dd21522fd290
Revision: 200911
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parents:
diff
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|
313 |
{ |
dd21522fd290
Revision: 200911
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parents:
diff
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|
314 |
return m_char == ch; |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
315 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
316 |
|
dd21522fd290
Revision: 200911
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parents:
diff
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|
317 |
// END OF FILE |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
318 |