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Diffstat (limited to 'src/gui/text/qcssparser_p.h')
| -rw-r--r-- | src/gui/text/qcssparser_p.h | 847 |
1 files changed, 847 insertions, 0 deletions
diff --git a/src/gui/text/qcssparser_p.h b/src/gui/text/qcssparser_p.h new file mode 100644 index 0000000000..86bafc9215 --- /dev/null +++ b/src/gui/text/qcssparser_p.h @@ -0,0 +1,847 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@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 + +// VxWorks defines NONE as (-1) "for times when NULL won't do" +#if defined(Q_OS_VXWORKS) && defined(NONE) +# undef NONE +#endif +#if defined(Q_OS_INTEGRITY) +# undef Value +#endif + +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, + QtListNumberPrefix, + QtListNumberSuffix, + LineHeight, + 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_LowerRoman, + Value_UpperRoman, + 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() : role(QPalette::NoRole), type(Invalid) {} + ColorData(const QColor &col) : color(col), role(QPalette::NoRole), type(Color) {} + ColorData(QPalette::ColorRole r) : role(r), type(Role) {} + QColor color; + QPalette::ColorRole role; + enum { Invalid, Color, Role} type; +}; + +struct BrushData { + BrushData() : role(QPalette::NoRole), type(Invalid) {} + BrushData(const QBrush &br) : brush(br), role(QPalette::NoRole), 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_AUTOTEST_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 Pseudo +{ + Pseudo() : type(0), negated(false) { } + quint64 type; + QString name; + QString function; + bool negated; +}; + +struct AttributeSelector +{ + enum ValueMatchType { + NoMatch, + MatchEqual, + MatchContains, + MatchBeginsWith + }; + inline AttributeSelector() : valueMatchCriterium(NoMatch) {} + + QString name; + QString value; + ValueMatchType valueMatchCriterium; +}; + +struct 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_AUTOTEST_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_AUTOTEST_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 StyleRule +{ + StyleRule() : order(0) { } + QVector<Selector> selectors; + QVector<Declaration> declarations; + int order; +}; + +struct MediaRule +{ + QStringList media; + QVector<StyleRule> styleRules; +}; + +struct PageRule +{ + QString selector; + QVector<Declaration> declarations; +}; + +struct ImportRule +{ + QString href; + QStringList media; +}; + +enum StyleSheetOrigin { + StyleSheetOrigin_Unspecified, + StyleSheetOrigin_UserAgent, + StyleSheetOrigin_User, + StyleSheetOrigin_Author, + StyleSheetOrigin_Inline +}; + +struct 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() : token(NONE), 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); +}; + +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 |