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+/**********************************************************************
+**
+** 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 );
+}