highlighter.cpp
author insilmaril
Tue, 15 Dec 2009 09:14:59 +0000
changeset 818 25ee6b988b73
parent 807 f9f7922989d8
child 831 25a950c2eb98
permissions -rw-r--r--
Fixed A&O report to show subitems
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/****************************************************************************
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**
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** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
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**
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** This file is part of the example classes of the Qt Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file.  Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://www.trolltech.com/products/qt/opensource.html
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://www.trolltech.com/products/qt/licensing.html or contact the
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** sales department at sales@trolltech.com.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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// highlighting rules have been adapted by Uwe Drechsel to match vym syntax
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#include <QtGui>
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#include "highlighter.h"
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Highlighter::Highlighter(QTextDocument *parent)
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    : QSyntaxHighlighter(parent)
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{
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    HighlightingRule rule;
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    keywordFormat.setForeground(Qt::darkBlue);
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    keywordFormat.setFontWeight(QFont::Bold);
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    QStringList keywordPatterns;
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    keywordPatterns << "\\baddBranch\\b" 
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					<< "\\baddBranchBefore\\b" 
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                    << "\\baddMapCenter\\b" 
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                    << "\\baddMapInsert\\b" 
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					<< "\\baddMapReplace\\b"
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                    << "\\bcolorBranch\\b" 
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					<< "\\bcolorSubtree\\b"
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					<< "\\bcopy\\b"
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                    << "\\bcut\\b" 
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					<< "\\bdelete\\b" 
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					<< "\\bdeleteKeepChilds\\b" 
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					<< "\\bdeleteChilds\\b"
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					<< "\\bexportAO\\b"
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					<< "\\bexportASCII\\b"
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					<< "\\bexportImage\\b"
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					<< "\\bexportXHTML\\b"
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					<< "\\bexportXML\\b"
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					<< "\\bimportDir\\b"
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					<< "\\blinkTo\\b" 
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					<< "\\bloadImage\\b"
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					<< "\\bmoveBranchUp\\b" 
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					<< "\\bmoveBranchDown\\b"
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					<< "\\bmove\\b" 
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					<< "\\bmoveRel\\b"
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					<< "\\bnop\\b"
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					<< "\\bpaste\\b" 
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					<< "\\bqa\\b" 
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					<< "\\bsaveImage\\b" 
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					<< "\\bscroll\\b" 
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					<< "\\bselect\\b" 
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					<< "\\bselectLastBranch\\b" 
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					<< "\\bselectLastImage\\b"
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					<< "\\bselectLatestAdded\\b"
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					<< "\\bsetFrameType\\b" 
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					<< "\\bsetFramePenColor\\b" 
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					<< "\\bsetFrameBrushColor\\b" 
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					<< "\\bsetFramePadding\\b" 
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					<< "\\bsetFrameBorderWidth\\b" 
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					<< "\\bsetHideLinkUnselected\\b" 
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					<< "\\bsetMapAuthor\\b" 
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					<< "\\bsetMapComment\\b" 
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					<< "\\bsetMapBackgroundColor\\b" 
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					<< "\\bsetMapDefLinkColor\\b" 
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					<< "\\bsetMapDefLinkStyle\\b" 
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					<< "\\bsetNote\\b" 
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					<< "\\bsetHeading\\b" 
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					<< "\\bsetHideExport\\b" 
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					<< "\\bsetIncludeImagesHorizontally\\b" 
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					<< "\\bsetIncludeImagesVertically\\b" 
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					<< "\\bsetURL\\b" 
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					<< "\\bsetVymLink\\b" 
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					<< "\\bsetFlag\\b" 
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					<< "\\bsortChildren\\b" 
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					<< "\\btoggleFlag\\b" 
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					<< "\\bunscroll\\b" 
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					<< "\\bunscrollChilds\\b" 
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					<< "\\bunsetFlag\\b" 
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					;
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    foreach (QString pattern, keywordPatterns) {
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        rule.pattern = QRegExp(pattern);
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        rule.format = keywordFormat;
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        highlightingRules.append(rule);
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    }
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	// QT keywords
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	/*
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    classFormat.setFontWeight(QFont::Bold);
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    classFormat.setForeground(Qt::darkMagenta);
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    rule.pattern = QRegExp("\\bQ[A-Za-z]+\\b");
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    rule.format = classFormat;
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    highlightingRules.append(rule);
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	*/
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	// Single line comments
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    singleLineCommentFormat.setForeground(Qt::red);
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    rule.pattern = QRegExp("#[^\n]*");
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    rule.format = singleLineCommentFormat;
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    highlightingRules.append(rule);
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	// multiline comments
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    multiLineCommentFormat.setForeground(Qt::red);
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    commentStartExpression = QRegExp("/\\*");
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    commentEndExpression = QRegExp("\\*/");
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	// Quotations
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    quotationFormat.setForeground(Qt::darkGreen);
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    rule.pattern = QRegExp("\".*\"");
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    rule.format = quotationFormat;
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    highlightingRules.append(rule);
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    QStringList valuePatterns;
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    valuePatterns << "\\btrue\\b" << "\\bfalse\\b";
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    foreach (QString pattern, valuePatterns) {
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        rule.pattern = QRegExp(pattern);
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        rule.format = quotationFormat;
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        highlightingRules.append(rule);
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    }
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	// Funtions
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	/*
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    functionFormat.setFontItalic(true);
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    functionFormat.setForeground(Qt::blue);
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    rule.pattern = QRegExp("\\b[A-Za-z0-9_]+(?=\\()");
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    rule.format = functionFormat;
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    highlightingRules.append(rule);
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	*/
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}
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void Highlighter::highlightBlock(const QString &text)
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{
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    foreach (HighlightingRule rule, highlightingRules) {
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        QRegExp expression(rule.pattern);
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        int index = text.indexOf(expression);
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        while (index >= 0) {
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            int length = expression.matchedLength();
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            setFormat(index, length, rule.format);
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            index = text.indexOf(expression, index + length);
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        }
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    }
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    setCurrentBlockState(0);
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    int startIndex = 0;
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    if (previousBlockState() != 1)
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        startIndex = text.indexOf(commentStartExpression);
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    while (startIndex >= 0) {
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        int endIndex = text.indexOf(commentEndExpression, startIndex);
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        int commentLength;
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        if (endIndex == -1) {
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            setCurrentBlockState(1);
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            commentLength = text.length() - startIndex;
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        } else {
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            commentLength = endIndex - startIndex
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                            + commentEndExpression.matchedLength();
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        }
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        setFormat(startIndex, commentLength, multiLineCommentFormat);
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        startIndex = text.indexOf(commentStartExpression,
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                                                startIndex + commentLength);
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    }
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}