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/*
** Copyright 2009-10 Martin Holmes, Meagan Timney and the
** University of Victoria Humanities Computing and Media
** Centre.
** This file is part of the projXMLEditor project which in
** turn belongs to the Image Markup Tool version 2.0
** project. The purpose of svgIconsTest is to provide a
** platform to test and learn various features of Qt, and
** to provide a semi-useful tool to aid in the rapid
** creation and editing of resource files containing SVG
** icons for Qt application development.
** GNU Lesser General Public License Usage
** 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.
** You may also use this code under the Mozilla Public Licence
** version 1.1. MPL 1.1 can be found at http://www.mozilla.org/MPL/MPL-1.1.html.
** "svgIconsTest" is distributed 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 Lesser General Public License for more details.
*/
#ifndef XMLHIGHLIGHTER_H
#define XMLHIGHLIGHTER_H
#include <QSyntaxHighlighter>
#include <QHash>
#include <QTextCharFormat>
QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE
/**
*
* @ingroup group_cepmodeling_libraries_mml
*
* @brief
* TODO Comment class here.
*/
class XmlHighlighter : public QSyntaxHighlighter {
Q_OBJECT
public:
XmlHighlighter(QTextDocument* parent = nullptr);
protected:
void highlightBlock(const QString& text) override;
void highlightSubBlock(const QString& text, const int startIndex, const int currState);
private:
struct HighlightingRule {
QRegExp pattern;
QTextCharFormat format;
};
QVector<HighlightingRule> hlRules;
QRegExp xmlProcInstStartExpression;
QRegExp xmlProcInstEndExpression;
QRegExp xmlCommentStartExpression;
QRegExp xmlCommentEndExpression;
QRegExp xmlDoctypeStartExpression;
QRegExp xmlDoctypeEndExpression;
QRegExp xmlOpenTagStartExpression;
QRegExp xmlOpenTagEndExpression;
QRegExp xmlCloseTagStartExpression;
QRegExp xmlCloseTagEndExpression;
QRegExp xmlAttributeStartExpression;
QRegExp xmlAttributeEndExpression;
QRegExp xmlAttValStartExpression;
QRegExp xmlAttValEndExpression;
QRegExp xmlAttValExpression;
QTextCharFormat xmlProcInstFormat;
QTextCharFormat xmlDoctypeFormat;
QTextCharFormat xmlCommentFormat;
QTextCharFormat xmlTagFormat;
QTextCharFormat xmlEntityFormat;
QTextCharFormat xmlAttributeFormat;
QTextCharFormat xmlAttValFormat;
//Enumeration for types of element, used for tracking what
//we're inside while highlighting over multiline blocks.
enum xmlState {
inNothing, //Don't know if we'll need this or not.
inProcInst, //starting with <? and ending with ?>
inDoctypeDecl, //starting with <!DOCTYPE and ending with >
inOpenTag, //starting with < + xmlName and ending with /?>
inOpenTagName, //after < and before whitespace. Implies inOpenTag.
inAttribute, //if inOpenTag, starting with /s*xmlName/s*=/s*" and ending with ".
inAttName, //after < + xmlName + whitespace, and before =". Implies inOpenTag.
inAttVal, //after =" and before ". May also use single quotes. Implies inOpenTag.
inCloseTag, //starting with </ and ending with >.
inCloseTagName,//after </ and before >. Implies inCloseTag.
inComment //starting with <!-- and ending with -->. Overrides all others.
};
};
#endif
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