/*
 *
The MIT License (MIT)

Copyright (c) 2015 Dmitry Ivanov

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*
*/

// This XML highligter is the same from Dmitry Ivanov available here:
// https://github.com/d1vanov/basic-xml-syntax-highlighter
// with some slightly modifications by random-guy (https://github.com/random-guy) 
// (like different colors, and remove of unneeded constructors)

#ifndef BASIC_XML_SYNTAX_HIGHLIGHTER_H
#define BASIC_XML_SYNTAX_HIGHLIGHTER_H

#include <QSyntaxHighlighter>
#include <QTextEdit>

class BasicXMLSyntaxHighlighter : public QSyntaxHighlighter
{
    Q_OBJECT
public:
    BasicXMLSyntaxHighlighter(QTextDocument * parent = nullptr);

protected:
    virtual void highlightBlock(const QString & text);

private:
    void highlightByRegex(const QTextCharFormat & format,
                          const QRegExp & regex, const QString & text);

    void setRegexes();
    void setFormats();

private:
    QTextCharFormat     m_xmlKeywordFormat;
    QTextCharFormat     m_xmlElementFormat;
    QTextCharFormat     m_xmlAttributeFormat;
    QTextCharFormat     m_xmlValueFormat;
    QTextCharFormat     m_xmlCommentFormat;

    QList<QRegExp>      m_xmlKeywordRegexes;
    QRegExp             m_xmlElementRegex;
    QRegExp             m_xmlAttributeRegex;
    QRegExp             m_xmlValueRegex;
    QRegExp             m_xmlCommentRegex;
};

#endif // BASIC_XML_SYNTAX_HIGHLIGHTER_H