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// This defines the interface to the QextScintillaLexerCSS class.
//
// Copyright (c) 2006
// Riverbank Computing Limited <info@riverbankcomputing.co.uk>
//
// This file is part of QScintilla.
//
// This copy of QScintilla is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option) any
// later version.
//
// QScintilla is supplied 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 General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// QScintilla; see the file LICENSE. If not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef QEXTSCINTILLALEXERCSS_H
#define QEXTSCINTILLALEXERCSS_H
#include <qobject.h>
#include <qextscintillaglobal.h>
#include <qextscintillalexer.h>
//! \brief The QextScintillaLexerCSS class encapsulates the Scintilla CSS
//! lexer.
class QEXTSCINTILLA_EXPORT QextScintillaLexerCSS : public QextScintillaLexer
{
Q_OBJECT
public:
//! This enum defines the meanings of the different styles used by the
//! CSS lexer.
enum {
//! The default.
Default = 0,
//! A tag.
Tag = 1,
//! A class selector.
ClassSelector = 2,
//! A pseudo-class.
PseudoClass = 3,
//! An pseudo-class.
UnknownPseudoClass = 4,
//! An operator.
Operator = 5,
//! A CSS1 property.
CSS1Property = 6,
//! An unknown property.
UnknownProperty = 7,
//! A value.
Value = 8,
//! A comment.
Comment = 9,
//! An ID selector.
IDSelector = 10,
//! An important value.
Important = 11,
//! An @-rule.
AtRule = 12,
//! A double-quoted string.
DoubleQuotedString = 13,
//! A single-quoted string.
SingleQuotedString = 14,
//! A CSS2 property.
CSS2Property = 15,
//! An attribute.
Attribute = 16
};
//! Construct a QextScintillaLexerCSS with parent \a parent and name
//! \a name. \a parent is typically the QextScintilla instance.
QextScintillaLexerCSS(QObject *parent = 0,const char *name = 0);
//! Destroys the QextScintillaLexerCSS instance.
virtual ~QextScintillaLexerCSS();
//! Returns the name of the language.
const char *language() const;
//! Returns the name of the lexer. Some lexers support a number of
//! languages.
const char *lexer() const;
//! \internal Returns a space separated list of words or characters in
//! a particular style that define the end of a block for
//! auto-indentation. The styles is returned via \a style.
const char *blockEnd(int *style = 0) const;
//! \internal Returns a space separated list of words or characters in
//! a particular style that define the start of a block for
//! auto-indentation. The styles is returned via \a style.
const char *blockStart(int *style = 0) const;
//! \internal Returns the string of characters that comprise a word.
const char *wordCharacters() const;
//! Returns the foreground colour of the text for style number
//! \a style.
//!
//! \sa paper()
QColor color(int style) const;
//! Returns the font for style number \a style.
QFont font(int style) const;
//! Returns the set of keywords for the keyword set \a set recognised
//! by the lexer as a space separated string.
const char *keywords(int set) const;
//! Returns the descriptive name for style number \a style. If the
//! style is invalid for this language then QString::null is returned.
//! This is intended to be used in user preference dialogs.
QString description(int style) const;
//! Causes all properties to be refreshed by emitting the
//! propertyChanged() signal as required.
void refreshProperties();
//! Returns TRUE if multi-line comment blocks can be folded.
//!
//! \sa setFoldComments()
bool foldComments() const;
//! Returns TRUE if trailing blank lines are included in a fold block.
//!
//! \sa setFoldCompact()
bool foldCompact() const;
public slots:
//! If \a fold is TRUE then multi-line comment blocks can be folded.
//! The default is FALSE.
//!
//! \sa foldComments()
virtual void setFoldComments(bool fold);
//! If \a fold is TRUE then trailing blank lines are included in a fold
//! block. The default is TRUE.
//!
//! \sa foldCompact()
virtual void setFoldCompact(bool fold);
protected:
//! The lexer's properties are read from the settings \a qs. \a prefix
//! (which has a trailing '/') should be used as a prefix to the key of
//! each setting. TRUE is returned if there is no error.
//!
bool readProperties(QSettings &qs,const QString &prefix);
//! The lexer's properties are written to the settings \a qs.
//! \a prefix (which has a trailing '/') should be used as a prefix to
//! the key of each setting. TRUE is returned if there is no error.
//!
bool writeProperties(QSettings &qs,const QString &prefix) const;
private:
void setCommentProp();
void setCompactProp();
bool fold_comments;
bool fold_compact;
#if defined(Q_DISABLE_COPY)
QextScintillaLexerCSS(const QextScintillaLexerCSS &);
QextScintillaLexerCSS &operator=(const QextScintillaLexerCSS &);
#endif
};
#endif
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