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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
commit67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch)
tree1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/gui/text/qcssparser_p.h
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Long live Qt!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QCSSPARSER_P_H
+#define QCSSPARSER_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists for the convenience
+// of the QLibrary class. This header file may change from
+// version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/QStringList>
+#include <QtCore/QVector>
+#include <QtCore/QVariant>
+#include <QtCore/QPair>
+#include <QtCore/QSize>
+#include <QtCore/QMultiHash>
+#include <QtGui/QFont>
+#include <QtGui/QPalette>
+#include <QtGui/QIcon>
+#include <QtCore/QSharedData>
+
+
+#ifndef QT_NO_CSSPARSER
+
+QT_BEGIN_NAMESPACE
+
+namespace QCss
+{
+
+enum Property {
+ UnknownProperty,
+ BackgroundColor,
+ Color,
+ Float,
+ Font,
+ FontFamily,
+ FontSize,
+ FontStyle,
+ FontWeight,
+ Margin,
+ MarginBottom,
+ MarginLeft,
+ MarginRight,
+ MarginTop,
+ QtBlockIndent,
+ QtListIndent,
+ QtParagraphType,
+ QtTableType,
+ QtUserState,
+ TextDecoration,
+ TextIndent,
+ TextUnderlineStyle,
+ VerticalAlignment,
+ Whitespace,
+ QtSelectionForeground,
+ QtSelectionBackground,
+ Border,
+ BorderLeft,
+ BorderRight,
+ BorderTop,
+ BorderBottom,
+ Padding,
+ PaddingLeft,
+ PaddingRight,
+ PaddingTop,
+ PaddingBottom,
+ PageBreakBefore,
+ PageBreakAfter,
+ QtAlternateBackground,
+ BorderLeftStyle,
+ BorderRightStyle,
+ BorderTopStyle,
+ BorderBottomStyle,
+ BorderStyles,
+ BorderLeftColor,
+ BorderRightColor,
+ BorderTopColor,
+ BorderBottomColor,
+ BorderColor,
+ BorderLeftWidth,
+ BorderRightWidth,
+ BorderTopWidth,
+ BorderBottomWidth,
+ BorderWidth,
+ BorderTopLeftRadius,
+ BorderTopRightRadius,
+ BorderBottomLeftRadius,
+ BorderBottomRightRadius,
+ BorderRadius,
+ Background,
+ BackgroundOrigin,
+ BackgroundClip,
+ BackgroundRepeat,
+ BackgroundPosition,
+ BackgroundAttachment,
+ BackgroundImage,
+ BorderImage,
+ QtSpacing,
+ Width,
+ Height,
+ MinimumWidth,
+ MinimumHeight,
+ MaximumWidth,
+ MaximumHeight,
+ QtImage,
+ Left,
+ Right,
+ Top,
+ Bottom,
+ QtOrigin,
+ QtPosition,
+ Position,
+ QtStyleFeatures,
+ QtBackgroundRole,
+ ListStyleType,
+ ListStyle,
+ QtImageAlignment,
+ TextAlignment,
+ Outline,
+ OutlineOffset,
+ OutlineWidth,
+ OutlineColor,
+ OutlineStyle,
+ OutlineRadius,
+ OutlineTopLeftRadius,
+ OutlineTopRightRadius,
+ OutlineBottomLeftRadius,
+ OutlineBottomRightRadius,
+ FontVariant,
+ TextTransform,
+ NumProperties
+};
+
+enum KnownValue {
+ UnknownValue,
+ Value_Normal,
+ Value_Pre,
+ Value_NoWrap,
+ Value_PreWrap,
+ Value_Small,
+ Value_Medium,
+ Value_Large,
+ Value_XLarge,
+ Value_XXLarge,
+ Value_Italic,
+ Value_Oblique,
+ Value_Bold,
+ Value_Underline,
+ Value_Overline,
+ Value_LineThrough,
+ Value_Sub,
+ Value_Super,
+ Value_Left,
+ Value_Right,
+ Value_Top,
+ Value_Bottom,
+ Value_Center,
+ Value_Native,
+ Value_Solid,
+ Value_Dotted,
+ Value_Dashed,
+ Value_DotDash,
+ Value_DotDotDash,
+ Value_Double,
+ Value_Groove,
+ Value_Ridge,
+ Value_Inset,
+ Value_Outset,
+ Value_Wave,
+ Value_Middle,
+ Value_Auto,
+ Value_Always,
+ Value_None,
+ Value_Transparent,
+ Value_Disc,
+ Value_Circle,
+ Value_Square,
+ Value_Decimal,
+ Value_LowerAlpha,
+ Value_UpperAlpha,
+ Value_SmallCaps,
+ Value_Uppercase,
+ Value_Lowercase,
+
+ /* keep these in same order as QPalette::ColorRole */
+ Value_FirstColorRole,
+ Value_WindowText = Value_FirstColorRole,
+ Value_Button,
+ Value_Light,
+ Value_Midlight,
+ Value_Dark,
+ Value_Mid,
+ Value_Text,
+ Value_BrightText,
+ Value_ButtonText,
+ Value_Base,
+ Value_Window,
+ Value_Shadow,
+ Value_Highlight,
+ Value_HighlightedText,
+ Value_Link,
+ Value_LinkVisited,
+ Value_AlternateBase,
+ Value_LastColorRole = Value_AlternateBase,
+
+ Value_Disabled,
+ Value_Active,
+ Value_Selected,
+ Value_On,
+ Value_Off,
+
+ NumKnownValues
+};
+
+enum BorderStyle {
+ BorderStyle_Unknown,
+ BorderStyle_None,
+ BorderStyle_Dotted,
+ BorderStyle_Dashed,
+ BorderStyle_Solid,
+ BorderStyle_Double,
+ BorderStyle_DotDash,
+ BorderStyle_DotDotDash,
+ BorderStyle_Groove,
+ BorderStyle_Ridge,
+ BorderStyle_Inset,
+ BorderStyle_Outset,
+ BorderStyle_Native,
+ NumKnownBorderStyles
+};
+
+enum Edge {
+ TopEdge,
+ RightEdge,
+ BottomEdge,
+ LeftEdge,
+ NumEdges
+};
+
+enum Corner {
+ TopLeftCorner,
+ TopRightCorner,
+ BottomLeftCorner,
+ BottomRightCorner
+};
+
+enum TileMode {
+ TileMode_Unknown,
+ TileMode_Round,
+ TileMode_Stretch,
+ TileMode_Repeat,
+ NumKnownTileModes
+};
+
+enum Repeat {
+ Repeat_Unknown,
+ Repeat_None,
+ Repeat_X,
+ Repeat_Y,
+ Repeat_XY,
+ NumKnownRepeats
+};
+
+enum Origin {
+ Origin_Unknown,
+ Origin_Padding,
+ Origin_Border,
+ Origin_Content,
+ Origin_Margin,
+ NumKnownOrigins
+};
+
+enum PositionMode {
+ PositionMode_Unknown,
+ PositionMode_Static,
+ PositionMode_Relative,
+ PositionMode_Absolute,
+ PositionMode_Fixed,
+ NumKnownPositionModes
+};
+
+enum Attachment {
+ Attachment_Unknown,
+ Attachment_Fixed,
+ Attachment_Scroll,
+ NumKnownAttachments
+};
+
+enum StyleFeature {
+ StyleFeature_None = 0,
+ StyleFeature_BackgroundColor = 1,
+ StyleFeature_BackgroundGradient = 2,
+ NumKnownStyleFeatures = 4
+};
+
+struct Q_GUI_EXPORT Value
+{
+ enum Type {
+ Unknown,
+ Number,
+ Percentage,
+ Length,
+ String,
+ Identifier,
+ KnownIdentifier,
+ Uri,
+ Color,
+ Function,
+ TermOperatorSlash,
+ TermOperatorComma
+ };
+ inline Value() : type(Unknown) { }
+ Type type;
+ QVariant variant;
+ QString toString() const;
+};
+
+struct ColorData {
+ ColorData() : type(Invalid) {}
+ ColorData(const QColor &col) : color(col) , type(Color) {}
+ ColorData(QPalette::ColorRole r) : role(r) , type(Role) {}
+ QColor color;
+ QPalette::ColorRole role;
+ enum { Invalid, Color, Role} type;
+};
+
+struct BrushData {
+ BrushData() : type(Invalid) {}
+ BrushData(const QBrush &br) : brush(br) , type(Brush) {}
+ BrushData(QPalette::ColorRole r) : role(r) , type(Role) {}
+ QBrush brush;
+ QPalette::ColorRole role;
+ enum { Invalid, Brush, Role, DependsOnThePalette } type;
+};
+
+struct BackgroundData {
+ BrushData brush;
+ QString image;
+ Repeat repeat;
+ Qt::Alignment alignment;
+};
+
+struct LengthData {
+ qreal number;
+ enum { None, Px, Ex, Em } unit;
+};
+
+struct BorderData {
+ LengthData width;
+ BorderStyle style;
+ BrushData color;
+};
+
+
+// 1. StyleRule - x:hover, y:clicked > z:checked { prop1: value1; prop2: value2; }
+// 2. QVector<Selector> - x:hover, y:clicked z:checked
+// 3. QVector<BasicSelector> - y:clicked z:checked
+// 4. QVector<Declaration> - { prop1: value1; prop2: value2; }
+// 5. Declaration - prop1: value1;
+
+struct Q_GUI_EXPORT Declaration
+{
+ struct DeclarationData : public QSharedData
+ {
+ inline DeclarationData() : propertyId(UnknownProperty), important(false) {}
+ QString property;
+ Property propertyId;
+ QVector<Value> values;
+ QVariant parsed;
+ bool important;
+ };
+ QExplicitlySharedDataPointer<DeclarationData> d;
+ inline Declaration() : d(new DeclarationData()) {}
+ inline bool isEmpty() const { return d->property.isEmpty() && d->propertyId == UnknownProperty; }
+
+ // helper functions
+ QColor colorValue(const QPalette & = QPalette()) const;
+ void colorValues(QColor *c, const QPalette & = QPalette()) const;
+ QBrush brushValue(const QPalette & = QPalette()) const;
+ void brushValues(QBrush *c, const QPalette & = QPalette()) const;
+
+ BorderStyle styleValue() const;
+ void styleValues(BorderStyle *s) const;
+
+ Origin originValue() const;
+ Repeat repeatValue() const;
+ Qt::Alignment alignmentValue() const;
+ PositionMode positionValue() const;
+ Attachment attachmentValue() const;
+ int styleFeaturesValue() const;
+
+ bool intValue(int *i, const char *unit = 0) const;
+ bool realValue(qreal *r, const char *unit = 0) const;
+
+ QSize sizeValue() const;
+ QRect rectValue() const;
+ QString uriValue() const;
+ QIcon iconValue() const;
+
+ void borderImageValue(QString *image, int *cuts, TileMode *h, TileMode *v) const;
+};
+
+const quint64 PseudoClass_Unknown = Q_UINT64_C(0x0000000000000000);
+const quint64 PseudoClass_Enabled = Q_UINT64_C(0x0000000000000001);
+const quint64 PseudoClass_Disabled = Q_UINT64_C(0x0000000000000002);
+const quint64 PseudoClass_Pressed = Q_UINT64_C(0x0000000000000004);
+const quint64 PseudoClass_Focus = Q_UINT64_C(0x0000000000000008);
+const quint64 PseudoClass_Hover = Q_UINT64_C(0x0000000000000010);
+const quint64 PseudoClass_Checked = Q_UINT64_C(0x0000000000000020);
+const quint64 PseudoClass_Unchecked = Q_UINT64_C(0x0000000000000040);
+const quint64 PseudoClass_Indeterminate = Q_UINT64_C(0x0000000000000080);
+const quint64 PseudoClass_Unspecified = Q_UINT64_C(0x0000000000000100);
+const quint64 PseudoClass_Selected = Q_UINT64_C(0x0000000000000200);
+const quint64 PseudoClass_Horizontal = Q_UINT64_C(0x0000000000000400);
+const quint64 PseudoClass_Vertical = Q_UINT64_C(0x0000000000000800);
+const quint64 PseudoClass_Window = Q_UINT64_C(0x0000000000001000);
+const quint64 PseudoClass_Children = Q_UINT64_C(0x0000000000002000);
+const quint64 PseudoClass_Sibling = Q_UINT64_C(0x0000000000004000);
+const quint64 PseudoClass_Default = Q_UINT64_C(0x0000000000008000);
+const quint64 PseudoClass_First = Q_UINT64_C(0x0000000000010000);
+const quint64 PseudoClass_Last = Q_UINT64_C(0x0000000000020000);
+const quint64 PseudoClass_Middle = Q_UINT64_C(0x0000000000040000);
+const quint64 PseudoClass_OnlyOne = Q_UINT64_C(0x0000000000080000);
+const quint64 PseudoClass_PreviousSelected = Q_UINT64_C(0x0000000000100000);
+const quint64 PseudoClass_NextSelected = Q_UINT64_C(0x0000000000200000);
+const quint64 PseudoClass_Flat = Q_UINT64_C(0x0000000000400000);
+const quint64 PseudoClass_Left = Q_UINT64_C(0x0000000000800000);
+const quint64 PseudoClass_Right = Q_UINT64_C(0x0000000001000000);
+const quint64 PseudoClass_Top = Q_UINT64_C(0x0000000002000000);
+const quint64 PseudoClass_Bottom = Q_UINT64_C(0x0000000004000000);
+const quint64 PseudoClass_Exclusive = Q_UINT64_C(0x0000000008000000);
+const quint64 PseudoClass_NonExclusive = Q_UINT64_C(0x0000000010000000);
+const quint64 PseudoClass_Frameless = Q_UINT64_C(0x0000000020000000);
+const quint64 PseudoClass_ReadOnly = Q_UINT64_C(0x0000000040000000);
+const quint64 PseudoClass_Active = Q_UINT64_C(0x0000000080000000);
+const quint64 PseudoClass_Closable = Q_UINT64_C(0x0000000100000000);
+const quint64 PseudoClass_Movable = Q_UINT64_C(0x0000000200000000);
+const quint64 PseudoClass_Floatable = Q_UINT64_C(0x0000000400000000);
+const quint64 PseudoClass_Minimized = Q_UINT64_C(0x0000000800000000);
+const quint64 PseudoClass_Maximized = Q_UINT64_C(0x0000001000000000);
+const quint64 PseudoClass_On = Q_UINT64_C(0x0000002000000000);
+const quint64 PseudoClass_Off = Q_UINT64_C(0x0000004000000000);
+const quint64 PseudoClass_Editable = Q_UINT64_C(0x0000008000000000);
+const quint64 PseudoClass_Item = Q_UINT64_C(0x0000010000000000);
+const quint64 PseudoClass_Closed = Q_UINT64_C(0x0000020000000000);
+const quint64 PseudoClass_Open = Q_UINT64_C(0x0000040000000000);
+const quint64 PseudoClass_EditFocus = Q_UINT64_C(0x0000080000000000);
+const quint64 PseudoClass_Alternate = Q_UINT64_C(0x0000100000000000);
+// The Any specifier is never generated, but can be used as a wildcard in searches.
+const quint64 PseudoClass_Any = Q_UINT64_C(0x0000ffffffffffff);
+const int NumPseudos = 46;
+
+struct Q_GUI_EXPORT Pseudo
+{
+ Pseudo() : negated(false) { }
+ quint64 type;
+ QString name;
+ QString function;
+ bool negated;
+};
+
+struct Q_GUI_EXPORT AttributeSelector
+{
+ enum ValueMatchType {
+ NoMatch,
+ MatchEqual,
+ MatchContains,
+ MatchBeginsWith
+ };
+ inline AttributeSelector() : valueMatchCriterium(NoMatch) {}
+
+ QString name;
+ QString value;
+ ValueMatchType valueMatchCriterium;
+};
+
+struct Q_GUI_EXPORT BasicSelector
+{
+ inline BasicSelector() : relationToNext(NoRelation) {}
+
+ enum Relation {
+ NoRelation,
+ MatchNextSelectorIfAncestor,
+ MatchNextSelectorIfParent,
+ MatchNextSelectorIfPreceeds
+ };
+
+ QString elementName;
+
+ QStringList ids;
+ QVector<Pseudo> pseudos;
+ QVector<AttributeSelector> attributeSelectors;
+
+ Relation relationToNext;
+};
+
+struct Q_GUI_EXPORT Selector
+{
+ QVector<BasicSelector> basicSelectors;
+ int specificity() const;
+ quint64 pseudoClass(quint64 *negated = 0) const;
+ QString pseudoElement() const;
+};
+
+struct StyleRule;
+struct MediaRule;
+struct PageRule;
+struct ImportRule;
+
+struct Q_GUI_EXPORT ValueExtractor
+{
+ ValueExtractor(const QVector<Declaration> &declarations, const QPalette & = QPalette());
+
+ bool extractFont(QFont *font, int *fontSizeAdjustment);
+ bool extractBackground(QBrush *, QString *, Repeat *, Qt::Alignment *, QCss::Origin *, QCss::Attachment *,
+ QCss::Origin *);
+ bool extractGeometry(int *w, int *h, int *minw, int *minh, int *maxw, int *maxh);
+ bool extractPosition(int *l, int *t, int *r, int *b, QCss::Origin *, Qt::Alignment *,
+ QCss::PositionMode *, Qt::Alignment *);
+ bool extractBox(int *margins, int *paddings, int *spacing = 0);
+ bool extractBorder(int *borders, QBrush *colors, BorderStyle *Styles, QSize *radii);
+ bool extractOutline(int *borders, QBrush *colors, BorderStyle *Styles, QSize *radii, int *offsets);
+ bool extractPalette(QBrush *fg, QBrush *sfg, QBrush *sbg, QBrush *abg);
+ int extractStyleFeatures();
+ bool extractImage(QIcon *icon, Qt::Alignment *a, QSize *size);
+
+ int lengthValue(const Declaration &decl);
+
+private:
+ void extractFont();
+ void borderValue(const Declaration &decl, int *width, QCss::BorderStyle *style, QBrush *color);
+ LengthData lengthValue(const Value& v);
+ void lengthValues(const Declaration &decl, int *m);
+ QSize sizeValue(const Declaration &decl);
+ void sizeValues(const Declaration &decl, QSize *radii);
+
+ QVector<Declaration> declarations;
+ QFont f;
+ int adjustment;
+ int fontExtracted;
+ QPalette pal;
+};
+
+struct Q_GUI_EXPORT StyleRule
+{
+ StyleRule() : order(0) { }
+ QVector<Selector> selectors;
+ QVector<Declaration> declarations;
+ int order;
+};
+
+struct Q_GUI_EXPORT MediaRule
+{
+ QStringList media;
+ QVector<StyleRule> styleRules;
+};
+
+struct Q_GUI_EXPORT PageRule
+{
+ QString selector;
+ QVector<Declaration> declarations;
+};
+
+struct Q_GUI_EXPORT ImportRule
+{
+ QString href;
+ QStringList media;
+};
+
+enum StyleSheetOrigin {
+ StyleSheetOrigin_Unspecified,
+ StyleSheetOrigin_UserAgent,
+ StyleSheetOrigin_User,
+ StyleSheetOrigin_Author,
+ StyleSheetOrigin_Inline
+};
+
+struct Q_GUI_EXPORT StyleSheet
+{
+ StyleSheet() : origin(StyleSheetOrigin_Unspecified), depth(0) { }
+ QVector<StyleRule> styleRules; //only contains rules that are not indexed
+ QVector<MediaRule> mediaRules;
+ QVector<PageRule> pageRules;
+ QVector<ImportRule> importRules;
+ StyleSheetOrigin origin;
+ int depth; // applicable only for inline style sheets
+ QMultiHash<QString, StyleRule> nameIndex;
+ QMultiHash<QString, StyleRule> idIndex;
+ void buildIndexes(Qt::CaseSensitivity nameCaseSensitivity = Qt::CaseSensitive);
+};
+
+class Q_GUI_EXPORT StyleSelector
+{
+public:
+ StyleSelector() : nameCaseSensitivity(Qt::CaseSensitive) {}
+ virtual ~StyleSelector();
+
+ union NodePtr {
+ void *ptr;
+ int id;
+ };
+
+ QVector<StyleRule> styleRulesForNode(NodePtr node);
+ QVector<Declaration> declarationsForNode(NodePtr node, const char *extraPseudo = 0);
+
+ virtual bool nodeNameEquals(NodePtr node, const QString& nodeName) const;
+ virtual QString attribute(NodePtr node, const QString &name) const = 0;
+ virtual bool hasAttributes(NodePtr node) const = 0;
+ virtual QStringList nodeIds(NodePtr node) const;
+ virtual QStringList nodeNames(NodePtr node) const = 0;
+ virtual bool isNullNode(NodePtr node) const = 0;
+ virtual NodePtr parentNode(NodePtr node) const = 0;
+ virtual NodePtr previousSiblingNode(NodePtr node) const = 0;
+ virtual NodePtr duplicateNode(NodePtr node) const = 0;
+ virtual void freeNode(NodePtr node) const = 0;
+
+ QVector<StyleSheet> styleSheets;
+ QString medium;
+ Qt::CaseSensitivity nameCaseSensitivity;
+private:
+ void matchRule(NodePtr node, const StyleRule &rules, StyleSheetOrigin origin,
+ int depth, QMap<uint, StyleRule> *weightedRules);
+ bool selectorMatches(const Selector &rule, NodePtr node);
+ bool basicSelectorMatches(const BasicSelector &rule, NodePtr node);
+};
+
+enum TokenType {
+ NONE,
+
+ S,
+
+ CDO,
+ CDC,
+ INCLUDES,
+ DASHMATCH,
+
+ LBRACE,
+ PLUS,
+ GREATER,
+ COMMA,
+
+ STRING,
+ INVALID,
+
+ IDENT,
+
+ HASH,
+
+ ATKEYWORD_SYM,
+
+ EXCLAMATION_SYM,
+
+ LENGTH,
+
+ PERCENTAGE,
+ NUMBER,
+
+ FUNCTION,
+
+ COLON,
+ SEMICOLON,
+ RBRACE,
+ SLASH,
+ MINUS,
+ DOT,
+ STAR,
+ LBRACKET,
+ RBRACKET,
+ EQUAL,
+ LPAREN,
+ RPAREN,
+ OR
+};
+
+struct Q_GUI_EXPORT Symbol
+{
+ inline Symbol() : start(0), len(-1) {}
+ TokenType token;
+ QString text;
+ int start, len;
+ QString lexem() const;
+};
+
+class Q_AUTOTEST_EXPORT Scanner
+{
+public:
+ static QString preprocess(const QString &input, bool *hasEscapeSequences = 0);
+ static void scan(const QString &preprocessedInput, QVector<Symbol> *symbols);
+ static const char *tokenName(TokenType t);
+};
+
+class Q_GUI_EXPORT Parser
+{
+public:
+ Parser();
+ Parser(const QString &css, bool file = false);
+
+ void init(const QString &css, bool file = false);
+ bool parse(StyleSheet *styleSheet, Qt::CaseSensitivity nameCaseSensitivity = Qt::CaseSensitive);
+ Symbol errorSymbol();
+
+ bool parseImport(ImportRule *importRule);
+ bool parseMedia(MediaRule *mediaRule);
+ bool parseMedium(QStringList *media);
+ bool parsePage(PageRule *pageRule);
+ bool parsePseudoPage(QString *selector);
+ bool parseNextOperator(Value *value);
+ bool parseCombinator(BasicSelector::Relation *relation);
+ bool parseProperty(Declaration *decl);
+ bool parseRuleset(StyleRule *styleRule);
+ bool parseSelector(Selector *sel);
+ bool parseSimpleSelector(BasicSelector *basicSel);
+ bool parseClass(QString *name);
+ bool parseElementName(QString *name);
+ bool parseAttrib(AttributeSelector *attr);
+ bool parsePseudo(Pseudo *pseudo);
+ bool parseNextDeclaration(Declaration *declaration);
+ bool parsePrio(Declaration *declaration);
+ bool parseExpr(QVector<Value> *values);
+ bool parseTerm(Value *value);
+ bool parseFunction(QString *name, QString *args);
+ bool parseHexColor(QColor *col);
+ bool testAndParseUri(QString *uri);
+
+ inline bool testRuleset() { return testSelector(); }
+ inline bool testSelector() { return testSimpleSelector(); }
+ inline bool parseNextSelector(Selector *sel) { if (!testSelector()) return recordError(); return parseSelector(sel); }
+ bool testSimpleSelector();
+ inline bool parseNextSimpleSelector(BasicSelector *basicSel) { if (!testSimpleSelector()) return recordError(); return parseSimpleSelector(basicSel); }
+ inline bool testElementName() { return test(IDENT) || test(STAR); }
+ inline bool testClass() { return test(DOT); }
+ inline bool testAttrib() { return test(LBRACKET); }
+ inline bool testPseudo() { return test(COLON); }
+ inline bool testMedium() { return test(IDENT); }
+ inline bool parseNextMedium(QStringList *media) { if (!testMedium()) return recordError(); return parseMedium(media); }
+ inline bool testPseudoPage() { return test(COLON); }
+ inline bool testImport() { return testTokenAndEndsWith(ATKEYWORD_SYM, QLatin1String("import")); }
+ inline bool testMedia() { return testTokenAndEndsWith(ATKEYWORD_SYM, QLatin1String("media")); }
+ inline bool testPage() { return testTokenAndEndsWith(ATKEYWORD_SYM, QLatin1String("page")); }
+ inline bool testCombinator() { return test(PLUS) || test(GREATER) || test(S); }
+ inline bool testProperty() { return test(IDENT); }
+ bool testTerm();
+ inline bool testExpr() { return testTerm(); }
+ inline bool parseNextExpr(QVector<Value> *values) { if (!testExpr()) return recordError(); return parseExpr(values); }
+ bool testPrio();
+ inline bool testHexColor() { return test(HASH); }
+ inline bool testFunction() { return test(FUNCTION); }
+ inline bool parseNextFunction(QString *name, QString *args) { if (!testFunction()) return recordError(); return parseFunction(name, args); }
+
+ inline bool lookupElementName() const { return lookup() == IDENT || lookup() == STAR; }
+
+ inline void skipSpace() { while (test(S)) {}; }
+
+ inline bool hasNext() const { return index < symbols.count(); }
+ inline TokenType next() { return symbols.at(index++).token; }
+ bool next(TokenType t);
+ bool test(TokenType t);
+ inline void prev() { index--; }
+ inline const Symbol &symbol() const { return symbols.at(index - 1); }
+ inline QString lexem() const { return symbol().lexem(); }
+ QString unquotedLexem() const;
+ QString lexemUntil(TokenType t);
+ bool until(TokenType target, TokenType target2 = NONE);
+ inline TokenType lookup() const {
+ return (index - 1) < symbols.count() ? symbols.at(index - 1).token : NONE;
+ }
+
+ bool testTokenAndEndsWith(TokenType t, const QLatin1String &str);
+
+ inline bool recordError() { errorIndex = index; return false; }
+
+ QVector<Symbol> symbols;
+ int index;
+ int errorIndex;
+ bool hasEscapeSequences;
+ QString sourcePath;
+};
+
+} // namespace QCss
+
+QT_END_NAMESPACE
+
+Q_DECLARE_METATYPE( QCss::BackgroundData )
+Q_DECLARE_METATYPE( QCss::LengthData )
+Q_DECLARE_METATYPE( QCss::BorderData )
+
+
+#endif // QT_NO_CSSPARSER
+
+#endif