/** * This file is part of the DOM implementation for KDE. * * (C) 1999-2003 Lars Knoll (knoll@kde.org) * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include "config.h" #include "CSSStyleDeclaration.h" #include "CSSMutableStyleDeclaration.h" #include "CSSProperty.h" #include "CSSPropertyNames.h" #include "CSSRule.h" #include "DeprecatedValueList.h" #include "ksvgcssproperties.h" namespace WebCore { // Defined in CSSGrammar.y, but not in any header, so just declare it here for now. int getPropertyID(const char* str, int len); static int propertyID(const String& s) { char buffer[maxCSSPropertyNameLength]; unsigned len = s.length(); if (len > maxCSSPropertyNameLength) return 0; for (unsigned i = 0; i != len; ++i) { UChar c = s[i]; if (c == 0 || c >= 0x7F) return 0; // illegal character buffer[i] = c; } int propID = getPropertyID(buffer, len); #if ENABLE(SVG) if (!propID) propID = SVG::getSVGCSSPropertyID(buffer, len); #endif return propID; } CSSStyleDeclaration::CSSStyleDeclaration(CSSRule* parent) : StyleBase(parent) { } bool CSSStyleDeclaration::isStyleDeclaration() { return true; } PassRefPtr CSSStyleDeclaration::getPropertyCSSValue(const String& propertyName) { int propID = propertyID(propertyName); if (!propID) return 0; return getPropertyCSSValue(propID); } String CSSStyleDeclaration::getPropertyValue(const String &propertyName) { int propID = propertyID(propertyName); if (!propID) return String(); return getPropertyValue(propID); } String CSSStyleDeclaration::getPropertyPriority(const String& propertyName) { int propID = propertyID(propertyName); if (!propID) return String(); return getPropertyPriority(propID) ? "important" : ""; } String CSSStyleDeclaration::getPropertyShorthand(const String& propertyName) { int propID = propertyID(propertyName); if (!propID) return String(); int shorthandID = getPropertyShorthand(propID); if (!shorthandID) return String(); return getPropertyName(static_cast(shorthandID)); } bool CSSStyleDeclaration::isPropertyImplicit(const String& propertyName) { int propID = propertyID(propertyName); if (!propID) return false; return isPropertyImplicit(propID); } void CSSStyleDeclaration::setProperty(const String& propertyName, const String& value, ExceptionCode& ec) { int important = value.find("!important", 0, false); if (important == -1) setProperty(propertyName, value, "", ec); else setProperty(propertyName, value.left(important - 1), "important", ec); } void CSSStyleDeclaration::setProperty(const String& propertyName, const String& value, const String& priority, ExceptionCode& ec) { int propID = propertyID(propertyName); if (!propID) // FIXME: set exception? return; bool important = priority.find("important", 0, false) != -1; setProperty(propID, value, important, ec); } String CSSStyleDeclaration::removeProperty(const String& propertyName, ExceptionCode& ec) { int propID = propertyID(propertyName); if (!propID) return String(); return removeProperty(propID, ec); } bool CSSStyleDeclaration::isPropertyName(const String& propertyName) { return propertyID(propertyName); } CSSRule* CSSStyleDeclaration::parentRule() const { return (parent() && parent()->isRule()) ? static_cast(parent()) : 0; } void CSSStyleDeclaration::diff(CSSMutableStyleDeclaration* style) const { if (!style) return; Vector properties; DeprecatedValueListConstIterator end; for (DeprecatedValueListConstIterator it(style->valuesIterator()); it != end; ++it) { const CSSProperty& property = *it; RefPtr value = getPropertyCSSValue(property.id()); if (value && (value->cssText() == property.value()->cssText())) properties.append(property.id()); } for (unsigned i = 0; i < properties.size(); i++) style->removeProperty(properties[i]); } PassRefPtr CSSStyleDeclaration::copyPropertiesInSet(const int* set, unsigned length) const { DeprecatedValueList list; for (unsigned i = 0; i < length; i++) { RefPtr value = getPropertyCSSValue(set[i]); if (value) list.append(CSSProperty(set[i], value.release(), false)); } return new CSSMutableStyleDeclaration(0, list); } } // namespace WebCore