shithub: freetype+ttf2subf

ref: e40ae7569aa4ef591f66ff9066df2f91de75bb77
dir: /src/psaux/afmparse.h/

/****************************************************************************
 *
 * afmparse.h
 *
 *   AFM parser (specification).
 *
 * Copyright (C) 2006-2021 by
 * David Turner, Robert Wilhelm, and Werner Lemberg.
 *
 * This file is part of the FreeType project, and may only be used,
 * modified, and distributed under the terms of the FreeType project
 * license, LICENSE.TXT.  By continuing to use, modify, or distribute
 * this file you indicate that you have read the license and
 * understand and accept it fully.
 *
 */


#ifndef AFMPARSE_H_
#define AFMPARSE_H_


#include <freetype/internal/psaux.h>


FT_BEGIN_HEADER


  FT_LOCAL( FT_Error )
  afm_parser_init( AFM_Parser  parser,
                   FT_Memory   memory,
                   FT_Byte*    base,
                   FT_Byte*    limit );


  FT_LOCAL( void )
  afm_parser_done( AFM_Parser  parser );


  FT_LOCAL( FT_Error )
  afm_parser_parse( AFM_Parser  parser );


  enum  AFM_ValueType_
  {
    AFM_VALUE_TYPE_STRING,
    AFM_VALUE_TYPE_NAME,
    AFM_VALUE_TYPE_FIXED,   /* real number */
    AFM_VALUE_TYPE_INTEGER,
    AFM_VALUE_TYPE_BOOL,
    AFM_VALUE_TYPE_INDEX    /* glyph index */
  };


  typedef struct  AFM_ValueRec_
  {
    enum AFM_ValueType_  type;
    union
    {
      char*     s;
      FT_Fixed  f;
      FT_Int    i;
      FT_UInt   u;
      FT_Bool   b;

    } u;

  } AFM_ValueRec, *AFM_Value;

#define  AFM_MAX_ARGUMENTS  5

  FT_LOCAL( FT_Int )
  afm_parser_read_vals( AFM_Parser  parser,
                        AFM_Value   vals,
                        FT_Int      n );

  /* read the next key from the next line or column */
  FT_LOCAL( char* )
  afm_parser_next_key( AFM_Parser  parser,
                       FT_Bool     line,
                       FT_Offset*  len );

FT_END_HEADER

#endif /* AFMPARSE_H_ */


/* END */