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Diffstat (limited to 'tdehtml/css/css_base.h')
| -rw-r--r-- | tdehtml/css/css_base.h | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/tdehtml/css/css_base.h b/tdehtml/css/css_base.h new file mode 100644 index 000000000..d2ab4f63f --- /dev/null +++ b/tdehtml/css/css_base.h @@ -0,0 +1,271 @@ +/* + * This file is part of the CSS implementation for KDE. + * + * Copyright (C) 1999-2003 Lars Knoll ([email protected]) + * 1999 Waldo Bastian ([email protected]) + * 2002 Apple Computer, Inc. + * 2004 Allan Sandfeld Jensen ([email protected]) + * + * 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. + * + */ +#ifndef _CSS_BASE_H +#define _CSS_BASE_H + +#include "dom/dom_string.h" +#include "dom/dom_misc.h" +#include "xml/dom_nodeimpl.h" +#include "misc/shared.h" +#include <kdemacros.h> +#include <tqdatetime.h> +#include <tqptrlist.h> + +namespace DOM { + + class StyleSheetImpl; + class MediaList; + + class CSSSelector; + class CSSProperty; + class CSSValueImpl; + class CSSPrimitiveValueImpl; + class CSSStyleDeclarationImpl; + class CSSRuleImpl; + class CSSStyleRuleImpl; + + class DocumentImpl; + + struct CSSNamespace { + DOMString m_prefix; + DOMString m_uri; + CSSNamespace* m_parent; + + CSSNamespace(const DOMString& p, const DOMString& u, CSSNamespace* parent) + :m_prefix(p), m_uri(u), m_parent(parent) {} + ~CSSNamespace() { delete m_parent; } + + const DOMString& uri() { return m_uri; } + const DOMString& prefix() { return m_prefix; } + + CSSNamespace* namespaceForPrefix(const DOMString& prefix) { + if (prefix == m_prefix) + return this; + if (m_parent) + return m_parent->namespaceForPrefix(prefix); + return 0; + } + }; + +// this class represents a selector for a StyleRule + class CSSSelector + { + public: + CSSSelector() + : tagHistory(0), simpleSelector(0), attr(0), tag(anyQName), relation( Descendant ), + match( None ), nonCSSHint( false ), pseudoId( 0 ), _pseudoType(PseudoNotParsed) + {} + + ~CSSSelector() { + delete tagHistory; + delete simpleSelector; + } + + /** + * Print debug output for this selector + */ + void print(); + + /** + * Re-create selector text from selector's data + */ + DOMString selectorText() const; + + // checks if the 2 selectors (including sub selectors) agree. + bool operator == ( const CSSSelector &other ) const; + + // tag == -1 means apply to all elements (Selector = *) + + unsigned int specificity() const; + + /* how the attribute value has to match.... Default is Exact */ + enum Match + { + None = 0, + Id, + Exact, + Set, + Class, + List, + Hyphen, + PseudoClass, + PseudoElement, + Contain, // css3: E[foo*="bar"] + Begin, // css3: E[foo^="bar"] + End // css3: E[foo$="bar"] + }; + + enum Relation + { + Descendant = 0, + Child, + DirectAdjacent, + IndirectAdjacent, + SubSelector + }; + + enum PseudoType + { + PseudoNotParsed = 0, + PseudoOther, + PseudoEmpty, + PseudoFirstChild, + PseudoLastChild, + PseudoNthChild, + PseudoNthLastChild, + PseudoOnlyChild, + PseudoFirstOfType, + PseudoLastOfType, + PseudoNthOfType, + PseudoNthLastOfType, + PseudoOnlyOfType, + PseudoLink, + PseudoVisited, + PseudoHover, + PseudoFocus, + PseudoActive, + PseudoTarget, + PseudoLang, + PseudoNot, + PseudoContains, + PseudoRoot, + PseudoEnabled, + PseudoDisabled, + PseudoChecked, + PseudoIndeterminate, +// pseudo-elements: + // inherited: + PseudoFirstLine, + PseudoFirstLetter, + PseudoSelection, + // generated: + PseudoBefore, + PseudoAfter, + PseudoMarker, + PseudoReplaced + }; + + PseudoType pseudoType() const { + if (_pseudoType == PseudoNotParsed) + extractPseudoType(); + return _pseudoType; + } + + mutable DOM::DOMString value; + CSSSelector *tagHistory; + CSSSelector* simpleSelector; // Used by :not + DOM::DOMString string_arg; // Used by :contains, :lang and :nth-* + DOM::NodeImpl::Id attr; + DOM::NodeImpl::Id tag; + + Relation relation : 3; + mutable Match match : 4; + bool nonCSSHint : 1; + unsigned int pseudoId : 4; + mutable PseudoType _pseudoType : 6; + + private: + void extractPseudoType() const; + }; + + // a style class which has a parent (almost all have) + class StyleBaseImpl : public tdehtml::TreeShared<StyleBaseImpl> + { + public: + StyleBaseImpl() { m_parent = 0; hasInlinedDecl = false; strictParsing = true; multiLength = false; } + StyleBaseImpl(StyleBaseImpl *p) { + m_parent = p; hasInlinedDecl = false; + strictParsing = (m_parent ? m_parent->useStrictParsing() : true); + multiLength = false; + } + + virtual ~StyleBaseImpl() {} + + // returns the url of the style sheet this object belongs to + // not const + KURL baseURL(); + + virtual bool isStyleSheet() const { return false; } + virtual bool isCSSStyleSheet() const { return false; } + virtual bool isStyleSheetList() const { return false; } + virtual bool isMediaList() const { return false; } + virtual bool isRuleList() const { return false; } + virtual bool isRule() const { return false; } + virtual bool isStyleRule() const { return false; } + virtual bool isCharetRule() const { return false; } + virtual bool isImportRule() const { return false; } + virtual bool isMediaRule() const { return false; } + virtual bool isFontFaceRule() const { return false; } + virtual bool isPageRule() const { return false; } + virtual bool isUnknownRule() const { return false; } + virtual bool isStyleDeclaration() const { return false; } + virtual bool isValue() const { return false; } + virtual bool isPrimitiveValue() const { return false; } + virtual bool isValueList() const { return false; } + virtual bool isValueCustom() const { return false; } + + void setParent(StyleBaseImpl *parent) { m_parent = parent; } + + static void setParsedValue(int propId, const CSSValueImpl *parsedValue, + bool important, bool nonCSSHint, TQPtrList<CSSProperty> *propList); + + virtual bool parseString(const DOMString &/*cssString*/, bool = false) { return false; } + + virtual void checkLoaded() const; + + void setStrictParsing( bool b ) { strictParsing = b; } + bool useStrictParsing() const { return strictParsing; } + + // not const + StyleSheetImpl* stylesheet(); + + protected: + bool hasInlinedDecl : 1; + bool strictParsing : 1; + bool multiLength : 1; + }; + + // a style class which has a list of children (StyleSheets for example) + class StyleListImpl : public StyleBaseImpl + { + public: + StyleListImpl() : StyleBaseImpl() { m_lstChildren = 0; } + StyleListImpl(StyleBaseImpl *parent) : StyleBaseImpl(parent) { m_lstChildren = 0; } + virtual ~StyleListImpl(); + + unsigned long length() const { return m_lstChildren->count(); } + StyleBaseImpl *item(unsigned long num) const { return m_lstChildren->at(num); } + + void append(StyleBaseImpl *item) { m_lstChildren->append(item); } + + protected: + TQPtrList<StyleBaseImpl> *m_lstChildren; + }; + + KDE_NO_EXPORT int getPropertyID(const char *tagStr, int len); + +} + +#endif |