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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /khtml/css/css_base.cpp
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
tdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/khtml/css/css_base.cpp b/khtml/css/css_base.cpp
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+/*
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
+ * 1999 Waldo Bastian (bastian@kde.org)
+ * 2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
+ * 2001-2003 Dirk Mueller (mueller@kde.org)
+ * 2002 Apple Computer, Inc.
+ * 2004 Allan Sandfeld Jensen (kde@carewolf.com)
+ *
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+//#define CSS_DEBUG
+
+#include <assert.h>
+#include <kdebug.h>
+
+#include "css_base.h"
+
+#ifdef CSS_DEBUG
+#include "cssproperties.h"
+#endif
+
+#include "css_stylesheetimpl.h"
+#include "xml/dom_docimpl.h"
+#include "misc/htmlhashes.h"
+#include "css_valueimpl.h"
+using namespace DOM;
+
+void StyleBaseImpl::checkLoaded() const
+{
+ if(m_parent) m_parent->checkLoaded();
+}
+
+StyleSheetImpl* StyleBaseImpl::stylesheet()
+{
+ StyleBaseImpl* b = this;
+ while(b && !b->isStyleSheet())
+ b = b->m_parent;
+ return static_cast<StyleSheetImpl *>(b);
+}
+
+KURL StyleBaseImpl::baseURL()
+{
+ // try to find the style sheet. If found look for its url.
+ // If it has none, look for the parentsheet, or the parentNode and
+ // try to find out about their url
+
+ StyleSheetImpl *sheet = stylesheet();
+
+ if(!sheet) return KURL();
+
+ if(!sheet->href().isNull())
+ return KURL( sheet->href().string() );
+
+ // find parent
+ if(sheet->parent()) return sheet->parent()->baseURL();
+
+ if(!sheet->ownerNode()) return KURL();
+
+ return sheet->ownerNode()->getDocument()->baseURL();
+}
+
+void StyleBaseImpl::setParsedValue(int propId, const CSSValueImpl *parsedValue,
+ bool important, bool nonCSSHint, QPtrList<CSSProperty> *propList)
+{
+ QPtrListIterator<CSSProperty> propIt(*propList);
+ propIt.toLast(); // just remove the top one - not sure what should happen if we have multiple instances of the property
+ while (propIt.current() &&
+ ( propIt.current()->m_id != propId || propIt.current()->nonCSSHint != nonCSSHint ||
+ propIt.current()->m_important != important) )
+ --propIt;
+ if (propIt.current())
+ propList->removeRef(propIt.current());
+
+ CSSProperty *prop = new CSSProperty();
+ prop->m_id = propId;
+ prop->setValue((CSSValueImpl *) parsedValue);
+ prop->m_important = important;
+ prop->nonCSSHint = nonCSSHint;
+
+ propList->append(prop);
+#ifdef CSS_DEBUG
+ kdDebug( 6080 ) << "added property: " << getPropertyName(propId).string()
+ // non implemented yet << ", value: " << parsedValue->cssText().string()
+ << " important: " << prop->m_important
+ << " nonCSS: " << prop->nonCSSHint << endl;
+#endif
+}
+
+// ------------------------------------------------------------------------------
+
+StyleListImpl::~StyleListImpl()
+{
+ StyleBaseImpl *n;
+
+ if(!m_lstChildren) return;
+
+ for( n = m_lstChildren->first(); n != 0; n = m_lstChildren->next() )
+ {
+ n->setParent(0);
+ if( !n->refCount() ) delete n;
+ }
+ delete m_lstChildren;
+}
+
+// --------------------------------------------------------------------------------
+
+void CSSSelector::print(void)
+{
+ kdDebug( 6080 ) << "[Selector: tag = " << QString::number(tag,16) << ", attr = \"" << attr << "\", match = \"" << match
+ << "\" value = \"" << value.string().latin1() << "\" relation = " << (int)relation
+ << "]" << endl;
+ if ( tagHistory )
+ tagHistory->print();
+ kdDebug( 6080 ) << " specificity = " << specificity() << endl;
+}
+
+unsigned int CSSSelector::specificity() const
+{
+ if ( nonCSSHint )
+ return 0;
+
+ int s = ((localNamePart(tag) == anyLocalName) ? 0 : 1);
+ switch(match)
+ {
+ case Id:
+ s += 0x10000;
+ break;
+ case Exact:
+ case Set:
+ case List:
+ case Class:
+ case Hyphen:
+ case PseudoClass:
+ case PseudoElement:
+ case Contain:
+ case Begin:
+ case End:
+ s += 0x100;
+ case None:
+ break;
+ }
+ if(tagHistory)
+ s += tagHistory->specificity();
+ // make sure it doesn't overflow
+ return s & 0xffffff;
+}
+
+void CSSSelector::extractPseudoType() const
+{
+ if (match != PseudoClass && match != PseudoElement)
+ return;
+ _pseudoType = PseudoOther;
+ bool element = false;
+ bool compat = false;
+ if (!value.isEmpty()) {
+ value = value.lower();
+ switch (value[0]) {
+ case '-':
+ if (value == "-khtml-replaced")
+ _pseudoType = PseudoReplaced;
+ else
+ if (value == "-khtml-marker")
+ _pseudoType = PseudoMarker;
+ element = true;
+ break;
+ case 'a':
+ if (value == "active")
+ _pseudoType = PseudoActive;
+ else if (value == "after") {
+ _pseudoType = PseudoAfter;
+ element = compat = true;
+ }
+ break;
+ case 'b':
+ if (value == "before") {
+ _pseudoType = PseudoBefore;
+ element = compat = true;
+ }
+ break;
+ case 'c':
+ if (value == "checked")
+ _pseudoType = PseudoChecked;
+ else if (value == "contains(")
+ _pseudoType = PseudoContains;
+ break;
+ case 'd':
+ if (value == "disabled")
+ _pseudoType = PseudoDisabled;
+ break;
+ case 'e':
+ if (value == "empty")
+ _pseudoType = PseudoEmpty;
+ else if (value == "enabled")
+ _pseudoType = PseudoEnabled;
+ break;
+ case 'f':
+ if (value == "first-child")
+ _pseudoType = PseudoFirstChild;
+ else if (value == "first-letter") {
+ _pseudoType = PseudoFirstLetter;
+ element = compat = true;
+ }
+ else if (value == "first-line") {
+ _pseudoType = PseudoFirstLine;
+ element = compat = true;
+ }
+ else if (value == "first-of-type")
+ _pseudoType = PseudoFirstOfType;
+ else if (value == "focus")
+ _pseudoType = PseudoFocus;
+ break;
+ case 'h':
+ if (value == "hover")
+ _pseudoType = PseudoHover;
+ break;
+ case 'i':
+ if (value == "indeterminate")
+ _pseudoType = PseudoIndeterminate;
+ break;
+ case 'l':
+ if (value == "link")
+ _pseudoType = PseudoLink;
+ else if (value == "lang(")
+ _pseudoType = PseudoLang;
+ else if (value == "last-child")
+ _pseudoType = PseudoLastChild;
+ else if (value == "last-of-type")
+ _pseudoType = PseudoLastOfType;
+ break;
+ case 'n':
+ if (value == "not(")
+ _pseudoType = PseudoNot;
+ else if (value == "nth-child(")
+ _pseudoType = PseudoNthChild;
+ else if (value == "nth-last-child(")
+ _pseudoType = PseudoNthLastChild;
+ else if (value == "nth-of-type(")
+ _pseudoType = PseudoNthOfType;
+ else if (value == "nth-last-of-type(")
+ _pseudoType = PseudoNthLastOfType;
+ break;
+ case 'o':
+ if (value == "only-child")
+ _pseudoType = PseudoOnlyChild;
+ else if (value == "only-of-type")
+ _pseudoType = PseudoOnlyOfType;
+ break;
+ case 'r':
+ if (value == "root")
+ _pseudoType = PseudoRoot;
+ break;
+ case 's':
+ if (value == "selection") {
+ _pseudoType = PseudoSelection;
+ element = true;
+ }
+ break;
+ case 't':
+ if (value == "target")
+ _pseudoType = PseudoTarget;
+ break;
+ case 'v':
+ if (value == "visited")
+ _pseudoType = PseudoVisited;
+ break;
+ }
+ }
+ if (match == PseudoClass && element)
+ if (!compat) _pseudoType = PseudoOther;
+ else match = PseudoElement;
+ else
+ if (match == PseudoElement && !element)
+ _pseudoType = PseudoOther;
+}
+
+
+bool CSSSelector::operator == ( const CSSSelector &other ) const
+{
+ const CSSSelector *sel1 = this;
+ const CSSSelector *sel2 = &other;
+
+ while ( sel1 && sel2 ) {
+ //assert(sel1->_pseudoType != PseudoNotParsed);
+ //assert(sel2->_pseudoType != PseudoNotParsed);
+ if ( sel1->tag != sel2->tag || sel1->attr != sel2->attr ||
+ sel1->relation != sel2->relation || sel1->match != sel2->match ||
+ sel1->nonCSSHint != sel2->nonCSSHint ||
+ sel1->value != sel2->value ||
+ sel1->pseudoType() != sel2->pseudoType() ||
+ sel1->string_arg != sel2->string_arg)
+ return false;
+ sel1 = sel1->tagHistory;
+ sel2 = sel2->tagHistory;
+ }
+ if ( sel1 || sel2 )
+ return false;
+ return true;
+}
+
+DOMString CSSSelector::selectorText() const
+{
+ // FIXME: Support namespaces when dumping the selector text. This requires preserving
+ // the original namespace prefix used. Ugh. -dwh
+ DOMString str;
+ const CSSSelector* cs = this;
+ Q_UINT16 tag = localNamePart(cs->tag);
+ if (tag == anyLocalName && cs->match == CSSSelector::None)
+ str = "*";
+ else if (tag != anyLocalName)
+ str = getTagName( cs->tag );
+
+ const CSSSelector* op = 0;
+ while (true) {
+ if ( cs->attr == ATTR_ID && cs->match == CSSSelector::Id )
+ {
+ str += "#";
+ str += cs->value;
+ }
+ else if ( cs->match == CSSSelector::Class )
+ {
+ str += ".";
+ str += cs->value;
+ }
+ else if ( cs->match == CSSSelector::PseudoClass )
+ {
+ str += ":";
+ str += cs->value;
+ if (!cs->string_arg.isEmpty()) { // e.g :nth-child(...)
+ str += cs->string_arg;
+ str += ")";
+ } else if (cs->simpleSelector && !op) { // :not(...)
+ op = cs;
+ cs = cs->simpleSelector;
+ continue;
+ }
+ }
+ else if ( cs->match == CSSSelector::PseudoElement )
+ {
+ str += "::";
+ str += cs->value;
+ }
+ // optional attribute
+ else if ( cs->attr ) {
+ DOMString attrName = getAttrName( cs->attr );
+ str += "[";
+ str += attrName;
+ switch (cs->match) {
+ case CSSSelector::Exact:
+ str += "=";
+ break;
+ case CSSSelector::Set:
+ break;
+ case CSSSelector::List:
+ str += "~=";
+ break;
+ case CSSSelector::Hyphen:
+ str += "|=";
+ break;
+ case CSSSelector::Begin:
+ str += "^=";
+ break;
+ case CSSSelector::End:
+ str += "$=";
+ break;
+ case CSSSelector::Contain:
+ str += "*=";
+ break;
+ default:
+ kdWarning(6080) << "Unhandled case in CSSStyleRuleImpl::selectorText : match=" << cs->match << endl;
+ }
+ if (cs->match != CSSSelector::Set) {
+ str += "\"";
+ str += cs->value;
+ str += "\"";
+ }
+ str += "]";
+ }
+ if (op && !cs->tagHistory) {
+ cs=op;
+ op=0;
+ str += ")";
+ }
+
+ if ((cs->relation != CSSSelector::SubSelector && !op) || !cs->tagHistory)
+ break;
+ cs = cs->tagHistory;
+ }
+
+ if ( cs->tagHistory ) {
+ DOMString tagHistoryText = cs->tagHistory->selectorText();
+ if ( cs->relation == DirectAdjacent )
+ str = tagHistoryText + " + " + str;
+ else if ( cs->relation == IndirectAdjacent )
+ str = tagHistoryText + " ~ " + str;
+ else if ( cs->relation == Child )
+ str = tagHistoryText + " > " + str;
+ else // Descendant
+ str = tagHistoryText + " " + str;
+ }
+ return str;
+}
+
+// ----------------------------------------------------------------------------