styledtextfile.hpp

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/*****************************************************************************
    NumeRe: Framework fuer Numerische Rechnungen
    Copyright (C) 2020  Erik Haenel et al.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program 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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
 
 
#ifndef STYLEDTEXTFILE_HPP
#define STYLEDTEXTFILE_HPP
 
#include <string>
#include <vector>
#include <utility>
 
class StyledTextFile
{
    public:
        enum Style
        {
            STYLE_ERROR = -1,
            DEFAULT = 0,
            COMMENT_LINE,
            COMMENT_DOC_LINE,
            BLOCK_START,
            STRING,
            COMMENT_BLOCK,
            COMMENT_DOC_BLOCK
        };
 
    private:
        std::vector<std::pair<size_t, std::string>> vFileContents;
        std::vector<std::vector<Style>> vStyles;
 
        std::string sFileName;
 
        std::string sCommentLine;
        std::string sDocCommentLine;
        std::string sCommentBlockStart;
        std::string sDocCommentBlockStart;
        std::string sBlockEnd;
        std::string sStringMarks;
 
        bool useStrings;
 
        void load();
        void lex();
 
    public:
        StyledTextFile(const std::string& fileName);
 
        std::string getFileName() const;
 
        std::string getTextRange(int pos1, int pos2) const;
        std::string getLine(size_t line) const;
        std::string getStrippedLine(size_t line) const;
        int getLastPosition() const;
        int getLinesCount() const;
        int PositionFromLine(size_t line) const;
        int LineFromPosition(size_t pos) const;
        int getLineEndPosition(size_t line) const;
        int getLineStartPosition(size_t line) const;
        int findDocStartLine(size_t line) const;
 
        Style getStyleAt(size_t pos) const;
        char getCharAt(size_t pos) const;
 
        void reStyle(const std::string& sComLine,
                     const std::string& sDocComLine,
                     const std::string& sComBlockStart,
                     const std::string& sDocComBlockStart,
                     const std::string& sComBlockEnd,
                     const std::string& sStrMarks = "",
                     bool strings = true);
};
 
#endif // STYLEDTEXTFILE_HPP