1  /****************************************************************************
       2   *
       3   * afmparse.h
       4   *
       5   *   AFM parser (specification).
       6   *
       7   * Copyright (C) 2006-2023 by
       8   * David Turner, Robert Wilhelm, and Werner Lemberg.
       9   *
      10   * This file is part of the FreeType project, and may only be used,
      11   * modified, and distributed under the terms of the FreeType project
      12   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
      13   * this file you indicate that you have read the license and
      14   * understand and accept it fully.
      15   *
      16   */
      17  
      18  
      19  #ifndef AFMPARSE_H_
      20  #define AFMPARSE_H_
      21  
      22  
      23  #include <freetype/internal/psaux.h>
      24  
      25  
      26  FT_BEGIN_HEADER
      27  
      28  
      29    FT_LOCAL( FT_Error )
      30    afm_parser_init( AFM_Parser  parser,
      31                     FT_Memory   memory,
      32                     FT_Byte*    base,
      33                     FT_Byte*    limit );
      34  
      35  
      36    FT_LOCAL( void )
      37    afm_parser_done( AFM_Parser  parser );
      38  
      39  
      40    FT_LOCAL( FT_Error )
      41    afm_parser_parse( AFM_Parser  parser );
      42  
      43  
      44    enum  AFM_ValueType_
      45    {
      46      AFM_VALUE_TYPE_STRING,
      47      AFM_VALUE_TYPE_NAME,
      48      AFM_VALUE_TYPE_FIXED,   /* real number */
      49      AFM_VALUE_TYPE_INTEGER,
      50      AFM_VALUE_TYPE_BOOL,
      51      AFM_VALUE_TYPE_INDEX    /* glyph index */
      52    };
      53  
      54  
      55    typedef struct  AFM_ValueRec_
      56    {
      57      enum AFM_ValueType_  type;
      58      union
      59      {
      60        char*     s;
      61        FT_Fixed  f;
      62        FT_Int    i;
      63        FT_UInt   u;
      64        FT_Bool   b;
      65  
      66      } u;
      67  
      68    } AFM_ValueRec, *AFM_Value;
      69  
      70  #define  AFM_MAX_ARGUMENTS  5
      71  
      72    FT_LOCAL( FT_Int )
      73    afm_parser_read_vals( AFM_Parser  parser,
      74                          AFM_Value   vals,
      75                          FT_Int      n );
      76  
      77    /* read the next key from the next line or column */
      78    FT_LOCAL( char* )
      79    afm_parser_next_key( AFM_Parser  parser,
      80                         FT_Bool     line,
      81                         FT_Offset*  len );
      82  
      83  FT_END_HEADER
      84  
      85  #endif /* AFMPARSE_H_ */
      86  
      87  
      88  /* END */