diff options
Diffstat (limited to 'kdevdesigner/designer/syntaxhighlighter_html.cpp')
| -rw-r--r-- | kdevdesigner/designer/syntaxhighlighter_html.cpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/kdevdesigner/designer/syntaxhighlighter_html.cpp b/kdevdesigner/designer/syntaxhighlighter_html.cpp new file mode 100644 index 00000000..cd0c2760 --- /dev/null +++ b/kdevdesigner/designer/syntaxhighlighter_html.cpp @@ -0,0 +1,160 @@ +/********************************************************************** +** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of Qt Designer. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#include "syntaxhighlighter_html.h" +#include "qstring.h" +#include "qmap.h" +#include "qapplication.h" + + +SyntaxHighlighter_HTML::SyntaxHighlighter_HTML() + : QTextPreProcessor(), lastFormat( 0 ), lastFormatId( -1 ) +{ + QFont f( qApp->font() ); + + addFormat(Standard, new QTextFormat(f, qApp->palette().color(QPalette::Active, QColorGroup::Text))); + addFormat(Keyword, new QTextFormat(f, qApp->palette().color(QPalette::Active, QColorGroup::Dark))); + addFormat(Attribute, new QTextFormat(f, qApp->palette().color(QPalette::Active, QColorGroup::Link))); + addFormat(AttribValue, new QTextFormat(f, qApp->palette().color(QPalette::Active, QColorGroup::LinkVisited))); +} + +SyntaxHighlighter_HTML::~SyntaxHighlighter_HTML() +{ +} + +void SyntaxHighlighter_HTML::process( QTextDocument *doc, QTextParagraph *string, int, bool invalidate ) +{ + + QTextFormat *formatStandard = format( Standard ); + QTextFormat *formatKeyword = format( Keyword ); + QTextFormat *formatAttribute = format( Attribute ); + QTextFormat *formatAttribValue = format( AttribValue ); + + const int StateStandard = 0; + const int StateTag = 1; + const int StateAttribute = 2; + const int StateAttribVal = 3; + + QString buffer = ""; + + int state = StateStandard; + + + if ( string->prev() ) { + if ( string->prev()->endState() == -1 ) + process( doc, string->prev(), 0, FALSE ); + state = string->prev()->endState(); + } + + + int i = 0; + for ( ;; ) { + QChar c = string->at( i )->c; + + if ( c == '<' ) { + if ( state != StateStandard ) + string->setFormat( i - buffer.length(), buffer.length(), formatStandard, FALSE ); + buffer = c; + state = StateTag; + string->setFormat( i, 1, formatKeyword, FALSE ); + } + else if ( c == '>' && ( state != StateStandard ) ) { + string->setFormat( i, 1, formatKeyword, FALSE ); + buffer = ""; + state = StateStandard; + } + else if ( c == ' ' && state == StateTag ) { + buffer += c; + string->setFormat( i, 1, formatStandard, FALSE ); + state = StateAttribute; + } + else if ( c == '=' && state == StateAttribute ) { + buffer += c; + string->setFormat( i, 1, formatStandard, FALSE ); + state = StateAttribute; + } + else if ( c == '\"' && state == StateAttribute ) { + buffer += c; + string->setFormat( i, 1, formatStandard, FALSE ); + state = StateAttribVal; + } + else if ( c == '\"' && state == StateAttribVal ) { + buffer += c; + string->setFormat( i, 1, formatStandard, FALSE ); + state = StateAttribute; + } + else if ( state == StateAttribute ) { + buffer += c; + string->setFormat( i, 1, formatAttribute, FALSE ); + } + else if ( state == StateAttribVal ) { + buffer += c; + string->setFormat( i, 1, formatAttribValue, FALSE ); + } + else if ( state == StateTag ) { + string->setFormat( i, 1, formatKeyword, FALSE ); + buffer += c; + } + else if ( state == StateStandard ) { + string->setFormat( i, 1, formatStandard, FALSE ); + } + + i++; + if ( i >= string->length() ) + break; + } + + string->setEndState( state ); + string->setFirstPreProcess( FALSE ); + + if ( invalidate && string->next() && + !string->next()->firstPreProcess() && string->next()->endState() != -1 ) { + QTextParagraph *p = string->next(); + while ( p ) { + if ( p->endState() == -1 ) + return; + p->setEndState( -1 ); + p = p->next(); + } + } +} + +QTextFormat *SyntaxHighlighter_HTML::format( int id ) +{ + if ( lastFormatId == id && lastFormat ) + return lastFormat; + + QTextFormat *f = formats[ id ]; + lastFormat = f ? f : formats[ 0 ]; + lastFormatId = id; + return lastFormat; +} + +void SyntaxHighlighter_HTML::addFormat( int id, QTextFormat *f ) +{ + formats.insert( id, f ); +} |