MarkDown.h

Go to the documentation of this file.

// -*- mode: c++; c-file-style: "linux"; c-basic-offset: 2; indent-tabs-mode: nil -*-
//
//  Copyright (C) 2015-2016 Gunter Königsmann <wxMaxima@physikbuch.de>
//
//  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 2 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, write to the Free Software
//  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
//  SPDX-License-Identifier: GPL-2.0+
 
#ifndef MARKDOWN_H
#define MARKDOWN_H
 
#include "precomp.h"
#include <wx/wx.h>
#include <wx/string.h>
#include <wx/config.h>
#include <wx/tokenzr.h>
#include <wx/regex.h>
#include <list>
#include <memory>
#include "Configuration.h"
 
class MarkDownParser
{
protected:
  Configuration *m_configuration = NULL;
 
  class RegexReplacer : public wxRegEx
  {
  public:
    RegexReplacer(wxString from, const wxString &to) :
      wxRegEx(from),
      replaceBy(to)
      {}
 
    void DoReplace(wxString &line) const
      { Replace(&line, replaceBy); }
 
  private:
    wxString replaceBy; 
  };
 
  typedef std::list<RegexReplacer> replaceList;
  replaceList regexReplaceList;
public:
  explicit MarkDownParser(Configuration *cfg);
 
  wxString MarkDown(wxString str);
 
  const replaceList &RegexReplaceList() const
    { return regexReplaceList; }
 
private:
  virtual wxString itemizeBegin() = 0;      
  virtual wxString itemizeEnd() = 0;        
  virtual wxString quoteChar() = 0;         
  virtual wxString quoteBegin() = 0;        
  virtual wxString quoteEnd() = 0;        
  virtual wxString itemizeItem() = 0;       
  virtual wxString itemizeEndItem() = 0;    
  virtual wxString NewLine() = 0;           
};
 
class MarkDownTeX : public MarkDownParser
{
public:
  explicit MarkDownTeX(Configuration *cfg);
 
private:
  virtual wxString quoteBegin() override
    { return wxS("\\begin{quote}\n"); }
 
  virtual wxString quoteEnd() override
    { return wxS("\\end{quote}\n"); }
 
  virtual wxString quoteChar() override
    { return wxS("\\ensuremath{>}"); }
 
  virtual wxString itemizeBegin() override
    { return wxS("\\begin{itemize}\n"); }
 
  virtual wxString itemizeEnd() override
    { return wxS("\\end{itemize}\n"); }
 
  virtual wxString itemizeItem() override
    { return wxS("\\item "); }
 
  virtual wxString itemizeEndItem() override
    { return wxEmptyString; }
 
  virtual wxString NewLine() override
    { return wxS("\n\n"); }
};
 
class MarkDownHTML : public MarkDownParser
{
public:
  explicit MarkDownHTML(Configuration *cfg);
 
private:
  virtual wxString quoteChar() override
    { return wxS("&gt;"); }
 
  virtual wxString quoteBegin() override
    { return wxS("<blockquote>\n"); }
 
  virtual wxString quoteEnd() override
    { return wxS("</blockquote>\n"); }
 
  virtual wxString itemizeBegin() override
    { return wxS("<ul>\n"); }
 
  virtual wxString itemizeEnd() override
    { return wxS("</ul>\n"); }
 
  virtual wxString itemizeItem() override
    { return wxS("<li>"); }
 
  virtual wxString itemizeEndItem() override
    { return wxS("</li>\n"); }
 
  virtual wxString NewLine() override
    { return wxS("<br/>"); }
};
 
#endif // MARKDOWN_H