FXINI.h

/********************************************************************************
*                                                                               *
*                      I N I   R e a d e r  &  W r i t e r                      *
*                                                                               *
*********************************************************************************
* Copyright (C) 2022,2024 by Jeroen van der Zijp.   All Rights Reserved.        *
*********************************************************************************
* This library is free software; you can redistribute it and/or modify          *
* it under the terms of the GNU Lesser General Public License as published by   *
* the Free Software Foundation; either version 3 of the License, or             *
* (at your option) any later version.                                           *
*                                                                               *
* This library 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.                           *
*                                                                               *
* You should have received a copy of the GNU Lesser General Public License      *
* along with this program.  If not, see <http://www.gnu.org/licenses/>          *
********************************************************************************/
#ifndef FXINI_H
#define FXINI_H

#ifndef FXPARSEBUFFER_H
#include "FXParseBuffer.h"
#endif

namespace FX {


class FXAPI FXINI : public FXParseBuffer {
public:
  enum Error {
    ErrOK,              
    ErrSave,            
    ErrLoad,            
    ErrToken,           
    ErrColon,           
    ErrComma,           
    ErrBracket,         
    ErrBrace,           
    ErrQuotes,          
    ErrQuote,           
    ErrNumber,          
    ErrEnd              
    };
protected:
  FXlong     offset;     // Position from start
  FXint      token;      // Current token
  FXint      column;     // Current column
  FXint      indent;     // Indentation level
  FXint      line;       // Line number
  FXuchar    state;      // Parse state
  FXuchar    prec;       // Numeric precision
  FXuchar    fmt;        // Numeric format
  FXuchar    esc;        // Escape mode
private:
  FXint next();
  Error loadVariant(FXVariant& var);
  Error saveVariant(const FXVariant& section);
  Error saveSection(const FXString& str);
  Error saveEntry(const FXVariant& var);
  Error saveString(const FXString& str);
private:
  static const FXchar *const errors[];
private:
  FXINI(const FXINI&);
  FXINI &operator=(const FXINI&);
public:

  FXINI();

  FXINI(FXchar* buffer,FXuval sz=8192,Direction d=Load);

  FXbool open(FXchar* buffer,FXuval sz=8192,Direction d=Load);

  FXint getLine() const { return line; }

  FXint getColumn() const { return column; }

  FXlong getOffset() const { return offset; }

  Error load(FXVariant& variant);

  Error save(const FXVariant& variant);

  static const FXchar* getError(Error err){ return errors[err]; }

  void setNumericPrecision(FXuchar p){ prec=p; }
  FXuchar getNumericPrecision() const { return prec; }

  void setNumericFormat(FXuchar f){ fmt=f; }
  FXuchar getNumericFormat() const { return fmt; }

  void setEscapeMode(FXuchar e){ esc=e; }
  FXuchar getEscapeMode() const { return esc; }

  FXbool close();

  virtual ~FXINI();
  };

}

#endif