src/psaux/afmparse.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  afmparse.h                                                             */
   4 /*                                                                         */
   5 /*    AFM parser (specification).                                          */
   6 /*                                                                         */
   7 /*  Copyright 2006 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 <ft2build.h>
  24 #include FT_INTERNAL_POSTSCRIPT_AUX_H
  25
  26
  27 FT_BEGIN_HEADER
  28
  29
  30   FT_LOCAL( FT_Error )
  31   afm_parser_init( AFM_Parser  parser,
  32                    FT_Memory   memory,
  33                    FT_Byte*    base,
  34                    FT_Byte*    limit );
  35
  36
  37   FT_LOCAL( void )
  38   afm_parser_done( AFM_Parser  parser );
  39
  40
  41   FT_LOCAL( FT_Error )
  42   afm_parser_parse( AFM_Parser  parser );
  43
  44
  45   enum  AFM_ValueType_
  46   {
  47     AFM_VALUE_TYPE_STRING,
  48     AFM_VALUE_TYPE_NAME,
  49     AFM_VALUE_TYPE_FIXED,   /* real number */
  50     AFM_VALUE_TYPE_INTEGER,
  51     AFM_VALUE_TYPE_BOOL,
  52     AFM_VALUE_TYPE_INDEX    /* glyph index */
  53   };
  54
  55
  56   typedef struct  AFM_ValueRec_
  57   {
  58     enum AFM_ValueType_  type;
  59     union
  60     {
  61       char*     s;
  62       FT_Fixed  f;
  63       FT_Int    i;
  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_UInt     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 */