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

1 files changed, 419 insertions, 0 deletions

diff --git a/khtml/css/css_base.cpp b/khtml/css/css_base.cpp
new file mode 100644
index 000000000..9cca21761
--- /dev/null
+++ b/khtml/css/css_base.cpp
@@ -0,0 +1,419 @@
+/*
+ * 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;
+}
+
+// ----------------------------------------------------------------------------