Instigate Open Source Documentation

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src/toolkit/qt_syntax_highlighter.hpp

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/*
 *
 * Copyright (c) 2005-2009 Instigate cjsc, Yerevan, Armenia.
 * All rights reserved.
 * 
 */


#ifndef INSTIGATE_TOOLKIT_QT_SYNTAX_HIGHLIGHTER
#define INSTIGATE_TOOLKIT_QT_SYNTAX_HIGHLIGHTER

// Headers from this project

// Headers from other projects

// Headers from standard libraries
#include <vector>
#include <QSyntaxHighlighter>
#include <QTextCharFormat>
#include <QTextDocument>


// forward declarations
namespace instigate {
        namespace toolkit {
                class qt_syntax_highlighter;
        }
}

class instigate::toolkit::qt_syntax_highlighter 
        : public QSyntaxHighlighter
{
public: 
        void set_language(const std::string& s) throw();

private:
        void highlightBlock(const QString& s) throw();

private:
        typedef std::vector<QString> keywords;

        void set_tcl_keyword_patterns(keywords&) throw();
        void set_verilog_keyword_patterns(keywords&) throw();
        void set_vhdl_keyword_patterns(keywords&) throw();
        void set_cpp_keyword_patterns(keywords&) throw();
        void set_python_keyword_patterns(keywords&) throw();
        void set_language_for_cpp() throw();
        void set_language_for_vhdl() throw();
        void set_language_for_tcl() throw();
        void set_language_for_verilog() throw();
        void set_language_for_python() throw();

private:
        struct highlighting_rule
        {
                QRegExp m_pattern;
                QTextCharFormat m_format;

                highlighting_rule(QRegExp p, QTextCharFormat f) throw()
                        : m_pattern(p)
                        , m_format(f)
                {}
        };

        typedef std::vector<highlighting_rule> highlighting_rules;
        highlighting_rules m_highlighting_rules;

        QStringList m_keyword_patterns;
        QTextCharFormat m_keyword_format;       

public:
        qt_syntax_highlighter(QTextDocument* p) throw();

        ~qt_syntax_highlighter() throw();

private:
        qt_syntax_highlighter() throw();

        qt_syntax_highlighter(const qt_syntax_highlighter&) throw();

        qt_syntax_highlighter& operator=(const qt_syntax_highlighter&) throw();
};

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#endif // INSTIGATE_TOOLKIT_QT_SYNTAX_HIGHLIGHTER

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