author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Fri, 08 May 2009 08:25:06 +0300 | |
changeset 8 | 7c90e6132015 |
parent 0 | dd21522fd290 |
child 13 | 10e98eab6f85 |
permissions | -rw-r--r-- |
0
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/** |
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* This file is part of the DOM implementation for KDE. |
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* |
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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* (C) 1999 Antti Koivisto (koivisto@kde.org) |
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* (C) 2001 Peter Kelly (pmk@post.com) |
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* (C) 2001 Dirk Mueller (mueller@kde.org) |
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* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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*/ |
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#include "config.h" |
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#include "HashMap.h" |
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#include "StyledElement.h" |
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#include "CSSStyleSelector.h" |
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#include "CSSStyleSheet.h" |
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#include "CSSValueKeywords.h" |
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#include "Document.h" |
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#include "HTMLNames.h" |
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using namespace std; |
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namespace WebCore { |
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using namespace HTMLNames; |
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struct MappedAttributeKey { |
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uint16_t type; |
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StringImpl* name; |
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StringImpl* value; |
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MappedAttributeKey(MappedAttributeEntry t = eNone, StringImpl* n = 0, StringImpl* v = 0) |
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: type(t), name(n), value(v) { } |
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static MappedAttributeKey sDeletedValueKey; |
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}; |
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MappedAttributeKey MappedAttributeKey::sDeletedValueKey(eLastEntry); |
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static inline bool operator==(const MappedAttributeKey& a, const MappedAttributeKey& b) |
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{ return a.type == b.type && a.name == b.name && a.value == b.value; } |
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struct MappedAttributeKeyTraits : WTF::GenericHashTraits<MappedAttributeKey*> { |
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static const bool emptyValueIsZero = true; |
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static const bool needsDestruction = true; |
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static MappedAttributeKey* deletedValue() { return &(MappedAttributeKey::sDeletedValueKey); } |
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}; |
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struct MappedAttributeHash { |
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static unsigned hash(const MappedAttributeKey*); |
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static bool equal(const MappedAttributeKey* a, const MappedAttributeKey* b) { return *a == *b; } |
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}; |
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//typedef HashMap<MappedAttributeKey, CSSMappedAttributeDeclaration*, MappedAttributeHash, MappedAttributeKeyTraits> MappedAttributeDecls; |
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typedef MappedAttributeKey* MappedAttributeKeyPtr; |
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typedef HashMap<MappedAttributeKeyPtr, CSSMappedAttributeDeclaration*, MappedAttributeHash, MappedAttributeKeyTraits> MappedAttributeDecls; |
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static MappedAttributeDecls* mappedAttributeDecls = 0; |
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CSSMappedAttributeDeclaration* StyledElement::getMappedAttributeDecl(MappedAttributeEntry entryType, Attribute* attr) |
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{ |
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if (!mappedAttributeDecls) |
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return 0; |
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MappedAttributeKey* key = new MappedAttributeKey(entryType, attr->name().localName().impl(), attr->value().impl()); |
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CSSMappedAttributeDeclaration* value = mappedAttributeDecls->get( key ); |
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delete key; |
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return value; |
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} |
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void StyledElement::setMappedAttributeDecl(MappedAttributeEntry entryType, Attribute* attr, CSSMappedAttributeDeclaration* decl) |
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{ |
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if (!mappedAttributeDecls) |
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mappedAttributeDecls = new MappedAttributeDecls; |
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mappedAttributeDecls->set(new MappedAttributeKey(entryType, attr->name().localName().impl(), attr->value().impl()), decl); |
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} |
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void StyledElement::removeMappedAttributeDecl(MappedAttributeEntry entryType, |
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const QualifiedName& attrName, const AtomicString& attrValue) |
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{ |
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if (!mappedAttributeDecls) |
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return; |
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MappedAttributeKey* key = new MappedAttributeKey(entryType, attrName.localName().impl(), attrValue.impl()); |
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mappedAttributeDecls->remove(key); |
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delete key; |
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} |
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void StyledElement::invalidateStyleAttribute() |
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{ |
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m_isStyleAttributeValid = false; |
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} |
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void StyledElement::updateStyleAttributeIfNeeded() const |
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{ |
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if (!m_isStyleAttributeValid) { |
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m_isStyleAttributeValid = true; |
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m_synchronizingStyleAttribute = true; |
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if (m_inlineStyleDecl) |
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const_cast<StyledElement*>(this)->setAttribute(styleAttr, m_inlineStyleDecl->cssText()); |
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m_synchronizingStyleAttribute = false; |
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} |
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} |
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115 |
|
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inline static bool isClassWhitespace(UChar c) |
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{ |
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return c == ' ' || c == '\r' || c == '\n' || c == '\t'; |
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} |
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120 |
|
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StyledElement::StyledElement(const QualifiedName& name, Document *doc) |
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: Element(name, doc) |
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123 |
{ |
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m_isStyleAttributeValid = true; |
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m_synchronizingStyleAttribute = false; |
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} |
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127 |
|
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StyledElement::~StyledElement() |
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{ |
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destroyInlineStyleDecl(); |
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} |
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132 |
|
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Attribute* StyledElement::createAttribute(const QualifiedName& name, StringImpl* value) |
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134 |
{ |
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return new MappedAttribute(name, value); |
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} |
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137 |
|
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void StyledElement::createInlineStyleDecl() |
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139 |
{ |
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m_inlineStyleDecl = new CSSMutableStyleDeclaration; |
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m_inlineStyleDecl->setParent(document()->elementSheet()); |
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m_inlineStyleDecl->setNode(this); |
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m_inlineStyleDecl->setStrictParsing(!document()->inCompatMode()); |
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144 |
} |
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145 |
|
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146 |
void StyledElement::destroyInlineStyleDecl() |
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147 |
{ |
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148 |
if (m_inlineStyleDecl) { |
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m_inlineStyleDecl->setNode(0); |
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m_inlineStyleDecl->setParent(0); |
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m_inlineStyleDecl = 0; |
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152 |
} |
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153 |
} |
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154 |
|
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void StyledElement::attributeChanged(Attribute* attr, bool preserveDecls) |
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156 |
{ |
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MappedAttribute* mappedAttr = static_cast<MappedAttribute*>(attr); |
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if (mappedAttr->decl() && !preserveDecls) { |
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mappedAttr->setDecl(0); |
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160 |
setChanged(); |
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161 |
if (namedAttrMap) |
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mappedAttributes()->declRemoved(); |
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163 |
} |
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164 |
|
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bool checkDecl = true; |
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MappedAttributeEntry entry; |
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bool needToParse = mapToEntry(attr->name(), entry); |
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168 |
if (preserveDecls) { |
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169 |
if (mappedAttr->decl()) { |
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setChanged(); |
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171 |
if (namedAttrMap) |
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mappedAttributes()->declAdded(); |
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checkDecl = false; |
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174 |
} |
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175 |
} |
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176 |
else if (!attr->isNull() && entry != eNone) { |
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CSSMappedAttributeDeclaration* decl = getMappedAttributeDecl(entry, attr); |
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178 |
if (decl) { |
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mappedAttr->setDecl(decl); |
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180 |
setChanged(); |
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181 |
if (namedAttrMap) |
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182 |
mappedAttributes()->declAdded(); |
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183 |
checkDecl = false; |
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184 |
} else |
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185 |
needToParse = true; |
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186 |
} |
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187 |
|
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188 |
if (needToParse) |
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189 |
parseMappedAttribute(mappedAttr); |
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190 |
|
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191 |
if (entry == eNone && ownerDocument()->styleSelector()->hasSelectorForAttribute(attr->name().localName())) |
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setChanged(); |
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193 |
|
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194 |
if (checkDecl && mappedAttr->decl()) { |
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195 |
// Add the decl to the table in the appropriate spot. |
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setMappedAttributeDecl(entry, attr, mappedAttr->decl()); |
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197 |
mappedAttr->decl()->setMappedState(entry, attr->name(), attr->value()); |
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198 |
mappedAttr->decl()->setParent(0); |
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199 |
mappedAttr->decl()->setNode(0); |
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200 |
if (namedAttrMap) |
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201 |
mappedAttributes()->declAdded(); |
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202 |
} |
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203 |
} |
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204 |
|
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205 |
bool StyledElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const |
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206 |
{ |
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result = eNone; |
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if (attrName == styleAttr) |
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return !m_synchronizingStyleAttribute; |
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return true; |
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211 |
} |
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212 |
|
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void StyledElement::parseMappedAttribute(MappedAttribute *attr) |
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214 |
{ |
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215 |
if (attr->name() == idAttr) { |
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// unique id |
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setHasID(!attr->isNull()); |
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if (namedAttrMap) { |
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if (attr->isNull()) |
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namedAttrMap->setID(nullAtom); |
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else if (document()->inCompatMode() && !attr->value().impl()->isLower()) |
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namedAttrMap->setID(AtomicString(attr->value().domString().lower())); |
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else |
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namedAttrMap->setID(attr->value()); |
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} |
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setChanged(); |
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} else if (attr->name() == classAttr) { |
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// class |
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setHasClass(!attr->isNull()); |
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if (namedAttrMap) |
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mappedAttributes()->parseClassAttribute(attr->value()); |
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setChanged(); |
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} else if (attr->name() == styleAttr) { |
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if (attr->isNull()) |
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destroyInlineStyleDecl(); |
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else |
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getInlineStyleDecl()->parseDeclaration(attr->value()); |
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m_isStyleAttributeValid = true; |
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setChanged(); |
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} |
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} |
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242 |
|
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void StyledElement::createAttributeMap() const |
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{ |
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namedAttrMap = new NamedMappedAttrMap(const_cast<StyledElement*>(this)); |
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} |
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247 |
|
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CSSMutableStyleDeclaration* StyledElement::getInlineStyleDecl() |
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249 |
{ |
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if (!m_inlineStyleDecl) |
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createInlineStyleDecl(); |
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return m_inlineStyleDecl.get(); |
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} |
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254 |
|
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255 |
CSSStyleDeclaration* StyledElement::style() |
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256 |
{ |
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return getInlineStyleDecl(); |
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258 |
} |
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259 |
|
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CSSMutableStyleDeclaration* StyledElement::additionalAttributeStyleDecl() |
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261 |
{ |
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return 0; |
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263 |
} |
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|
264 |
|
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const AtomicStringList* StyledElement::getClassList() const |
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266 |
{ |
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return namedAttrMap ? mappedAttributes()->getClassList() : 0; |
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268 |
} |
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|
269 |
|
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270 |
static inline int toHex(UChar c) { |
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return ((c >= '0' && c <= '9') ? (c - '0') |
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: ((c >= 'a' && c <= 'f') ? (c - 'a' + 10) |
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: (( c >= 'A' && c <= 'F') ? (c - 'A' + 10) |
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274 |
: -1))); |
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275 |
} |
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|
276 |
|
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277 |
void StyledElement::addCSSProperty(MappedAttribute* attr, int id, const String &value) |
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|
278 |
{ |
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279 |
if (!attr->decl()) createMappedDecl(attr); |
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|
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attr->decl()->setProperty(id, value, false); |
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|
281 |
} |
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|
282 |
|
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|
283 |
void StyledElement::addCSSProperty(MappedAttribute* attr, int id, int value) |
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|
284 |
{ |
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|
285 |
if (!attr->decl()) createMappedDecl(attr); |
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|
286 |
attr->decl()->setProperty(id, value, false); |
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|
287 |
} |
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|
288 |
|
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|
289 |
void StyledElement::addCSSStringProperty(MappedAttribute* attr, int id, const String &value, CSSPrimitiveValue::UnitTypes type) |
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|
290 |
{ |
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|
291 |
if (!attr->decl()) createMappedDecl(attr); |
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|
292 |
attr->decl()->setStringProperty(id, value, type, false); |
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|
293 |
} |
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|
294 |
|
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|
295 |
void StyledElement::addCSSImageProperty(MappedAttribute* attr, int id, const String &URL) |
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|
296 |
{ |
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|
297 |
if (!attr->decl()) createMappedDecl(attr); |
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|
298 |
attr->decl()->setImageProperty(id, URL, false); |
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|
299 |
} |
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|
300 |
|
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|
301 |
void StyledElement::addCSSLength(MappedAttribute* attr, int id, const String &value) |
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|
302 |
{ |
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|
303 |
// FIXME: This function should not spin up the CSS parser, but should instead just figure out the correct |
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|
304 |
// length unit and make the appropriate parsed value. |
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|
305 |
if (!attr->decl()) createMappedDecl(attr); |
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|
306 |
|
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|
307 |
// strip attribute garbage.. |
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|
308 |
StringImpl* v = value.impl(); |
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|
309 |
if (v) { |
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|
310 |
unsigned int l = 0; |
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|
311 |
|
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|
312 |
while (l < v->length() && (*v)[l] <= ' ') |
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|
313 |
l++; |
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|
314 |
|
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|
315 |
for (; l < v->length(); l++) { |
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|
316 |
UChar cc = (*v)[l]; |
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|
317 |
if (cc > '9' || (cc < '0' && cc != '*' && cc != '%' && cc != '.')) |
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|
318 |
break; |
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|
319 |
} |
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|
320 |
|
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|
321 |
if (l != v->length()) { |
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|
322 |
attr->decl()->setLengthProperty(id, v->substring(0, l), false); |
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|
323 |
return; |
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|
324 |
} |
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|
325 |
} |
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|
326 |
|
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|
327 |
attr->decl()->setLengthProperty(id, value, false); |
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|
328 |
} |
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|
329 |
|
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|
330 |
/* color parsing that tries to match as close as possible IE 6. */ |
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|
331 |
void StyledElement::addCSSColor(MappedAttribute* attr, int id, const String &c) |
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|
332 |
{ |
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Revision: 200911
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|
333 |
// this is the only case no color gets applied in IE. |
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|
334 |
if (!c.length()) |
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|
335 |
return; |
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|
336 |
|
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|
337 |
if (!attr->decl()) |
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|
338 |
createMappedDecl(attr); |
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|
339 |
|
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|
340 |
if (attr->decl()->setProperty(id, c, false)) |
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|
341 |
return; |
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|
342 |
|
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|
343 |
String color = c.copy(); |
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|
344 |
// not something that fits the specs. |
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|
345 |
|
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|
346 |
// we're emulating IEs color parser here. It maps transparent to black, otherwise it tries to build a rgb value |
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|
347 |
// out of everyhting you put in. The algorithm is experimentally determined, but seems to work for all test cases I have. |
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|
348 |
|
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349 |
// the length of the color value is rounded up to the next |
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350 |
// multiple of 3. each part of the rgb triple then gets one third |
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351 |
// of the length. |
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352 |
// |
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|
353 |
// Each triplet is parsed byte by byte, mapping |
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354 |
// each number to a hex value (0-9a-fA-F to their values |
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|
355 |
// everything else to 0). |
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|
356 |
// |
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|
357 |
// The highest non zero digit in all triplets is remembered, and |
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|
358 |
// used as a normalization point to normalize to values between 0 |
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|
359 |
// and 255. |
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|
360 |
|
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|
361 |
if (color.lower() != "transparent") { |
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|
362 |
if (color[0] == '#') |
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|
363 |
color.remove(0, 1); |
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|
364 |
int basicLength = (color.length() + 2) / 3; |
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|
365 |
if (basicLength > 1) { |
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|
366 |
// IE ignores colors with three digits or less |
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367 |
int colors[3] = { 0, 0, 0 }; |
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368 |
int component = 0; |
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369 |
int pos = 0; |
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|
370 |
int maxDigit = basicLength-1; |
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|
371 |
while (component < 3) { |
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Revision: 200911
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|
372 |
// search forward for digits in the string |
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|
373 |
int numDigits = 0; |
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|
374 |
while (pos < (int)color.length() && numDigits < basicLength) { |
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Revision: 200911
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|
375 |
int hex = toHex(color[pos]); |
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|
376 |
colors[component] = (colors[component] << 4); |
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|
377 |
if (hex > 0) { |
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Revision: 200911
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|
378 |
colors[component] += hex; |
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|
379 |
maxDigit = min(maxDigit, numDigits); |
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|
380 |
} |
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|
381 |
numDigits++; |
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|
382 |
pos++; |
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|
383 |
} |
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|
384 |
while (numDigits++ < basicLength) |
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|
385 |
colors[component] <<= 4; |
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|
386 |
component++; |
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|
387 |
} |
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|
388 |
maxDigit = basicLength - maxDigit; |
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|
389 |
|
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diff
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|
390 |
// normalize to 00-ff. The highest filled digit counts, minimum is 2 digits |
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Revision: 200911
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|
391 |
maxDigit -= 2; |
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Revision: 200911
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|
392 |
colors[0] >>= 4*maxDigit; |
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|
393 |
colors[1] >>= 4*maxDigit; |
dd21522fd290
Revision: 200911
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|
394 |
colors[2] >>= 4*maxDigit; |
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Revision: 200911
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|
395 |
// ASSERT(colors[0] < 0x100 && colors[1] < 0x100 && colors[2] < 0x100); |
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|
396 |
|
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Revision: 200911
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|
397 |
color = String::format("#%02x%02x%02x", colors[0], colors[1], colors[2]); |
dd21522fd290
Revision: 200911
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diff
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|
398 |
if (attr->decl()->setProperty(id, color, false)) |
dd21522fd290
Revision: 200911
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|
399 |
return; |
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Revision: 200911
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|
400 |
} |
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|
401 |
} |
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Revision: 200911
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parents:
diff
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|
402 |
attr->decl()->setProperty(id, CSS_VAL_BLACK, false); |
dd21522fd290
Revision: 200911
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parents:
diff
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|
403 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
404 |
|
dd21522fd290
Revision: 200911
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parents:
diff
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|
405 |
void StyledElement::createMappedDecl(MappedAttribute* attr) |
dd21522fd290
Revision: 200911
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|
406 |
{ |
dd21522fd290
Revision: 200911
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diff
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|
407 |
CSSMappedAttributeDeclaration* decl = new CSSMappedAttributeDeclaration(0); |
dd21522fd290
Revision: 200911
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diff
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|
408 |
attr->setDecl(decl); |
dd21522fd290
Revision: 200911
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|
409 |
decl->setParent(document()->elementSheet()); |
dd21522fd290
Revision: 200911
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diff
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|
410 |
decl->setNode(this); |
dd21522fd290
Revision: 200911
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diff
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|
411 |
decl->setStrictParsing(false); // Mapped attributes are just always quirky. |
dd21522fd290
Revision: 200911
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parents:
diff
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|
412 |
} |
dd21522fd290
Revision: 200911
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parents:
diff
changeset
|
413 |
|
dd21522fd290
Revision: 200911
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parents:
diff
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|
414 |
// Golden ratio - arbitrary start value to avoid mapping all 0's to all 0's |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
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|
415 |
// or anything like that. |
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Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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|
416 |
const unsigned PHI = 0x9e3779b9U; |
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Revision: 200911
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parents:
diff
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|
417 |
|
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Revision: 200911
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diff
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|
418 |
// Paul Hsieh's SuperFastHash |
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Revision: 200911
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parents:
diff
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|
419 |
// http://www.azillionmonkeys.com/qed/hash.html |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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|
420 |
unsigned MappedAttributeHash::hash(const MappedAttributeKey* key_) |
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Revision: 200911
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diff
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|
421 |
{ |
dd21522fd290
Revision: 200911
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parents:
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|
422 |
const MappedAttributeKey& key = *key_; |
dd21522fd290
Revision: 200911
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parents:
diff
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|
423 |
uint32_t hash = PHI; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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|
424 |
uint32_t tmp; |
dd21522fd290
Revision: 200911
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diff
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|
425 |
|
dd21522fd290
Revision: 200911
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parents:
diff
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|
426 |
const uint16_t* p; |
dd21522fd290
Revision: 200911
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diff
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|
427 |
|
dd21522fd290
Revision: 200911
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parents:
diff
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|
428 |
p = reinterpret_cast<const uint16_t*>(&key.name); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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|
429 |
hash += p[0]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
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|
430 |
tmp = (p[1] << 11) ^ hash; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
431 |
hash = (hash << 16) ^ tmp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
432 |
hash += hash >> 11; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
433 |
ASSERT(sizeof(key.name) == 4 || sizeof(key.name) == 8); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
434 |
if (sizeof(key.name) == 8) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
435 |
p += 2; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
436 |
hash += p[0]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
437 |
tmp = (p[1] << 11) ^ hash; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
438 |
hash = (hash << 16) ^ tmp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
439 |
hash += hash >> 11; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
440 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
441 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
442 |
p = reinterpret_cast<const uint16_t*>(&key.value); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
443 |
hash += p[0]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
444 |
tmp = (p[1] << 11) ^ hash; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
445 |
hash = (hash << 16) ^ tmp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
446 |
hash += hash >> 11; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
447 |
ASSERT(sizeof(key.value) == 4 || sizeof(key.value) == 8); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
448 |
if (sizeof(key.value) == 8) { |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
449 |
p += 2; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
450 |
hash += p[0]; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
451 |
tmp = (p[1] << 11) ^ hash; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
452 |
hash = (hash << 16) ^ tmp; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
453 |
hash += hash >> 11; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
454 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
455 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
456 |
// Handle end case |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
457 |
hash += key.type; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
458 |
hash ^= hash << 11; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
459 |
hash += hash >> 17; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
460 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
461 |
// Force "avalanching" of final 127 bits |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
462 |
hash ^= hash << 3; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
463 |
hash += hash >> 5; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
464 |
hash ^= hash << 2; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
465 |
hash += hash >> 15; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
466 |
hash ^= hash << 10; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
467 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
468 |
// This avoids ever returning a hash code of 0, since that is used to |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
469 |
// signal "hash not computed yet", using a value that is likely to be |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
470 |
// effectively the same as 0 when the low bits are masked |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
471 |
if (hash == 0) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
472 |
hash = 0x80000000; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
473 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
474 |
return hash; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
475 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
476 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
477 |
void StyledElement::copyNonAttributeProperties(const Element *sourceElement) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
478 |
{ |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
479 |
const StyledElement* source = static_cast<const StyledElement*>(sourceElement); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
480 |
if (!source->m_inlineStyleDecl) |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
481 |
return; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
482 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
483 |
*getInlineStyleDecl() = *source->m_inlineStyleDecl; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
484 |
m_isStyleAttributeValid = source->m_isStyleAttributeValid; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
485 |
m_synchronizingStyleAttribute = source->m_synchronizingStyleAttribute; |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
486 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
487 |
Element::copyNonAttributeProperties(sourceElement); |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
488 |
} |
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
489 |
|
dd21522fd290
Revision: 200911
Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com>
parents:
diff
changeset
|
490 |
} |