/***************************************************************************/

/*                                                                         */

/*  cffparse.h                                                             */

/*                                                                         */

/*    CFF token stream parser (specification)                              */

/*                                                                         */

/*  Copyright 1996-2001, 2002, 2003 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 __CFF_PARSE_H__

#define __CFF_PARSE_H__

#include <ft2build.h>

#include "cfftypes.h"

#include FT_INTERNAL_OBJECTS_H

FT_BEGIN_HEADER

#define CFF_MAX_STACK_DEPTH  96

#define CFF_CODE_TOPDICT  0x1000

#define CFF_CODE_PRIVATE  0x2000

  typedef struct  CFF_ParserRec_

  {

    FT_Library library;

    FT_Byte*   start;

    FT_Byte*   limit;

    FT_Byte*   cursor;

    FT_Byte*   stack[CFF_MAX_STACK_DEPTH + 1];

    FT_Byte**  top;

    FT_UInt    object_code;

    void*      object;

  } CFF_ParserRec, *CFF_Parser;

  FT_LOCAL( void )

  cff_parser_init( CFF_Parser  parser,

                   FT_UInt     code,

                   void*       object,

                   FT_Library  library);

  FT_LOCAL( FT_Error )

  cff_parser_run( CFF_Parser  parser,

                  FT_Byte*    start,

                  FT_Byte*    limit );

  enum

  {

    cff_kind_none = 0,

    cff_kind_num,

    cff_kind_fixed,

    cff_kind_fixed_thousand,

    cff_kind_string,

    cff_kind_bool,

    cff_kind_delta,

    cff_kind_callback,

    cff_kind_max  /* do not remove */

  };

  /* now generate handlers for the most simple fields */

  typedef FT_Error  (*CFF_Field_Reader)( CFF_Parser  parser );

  typedef struct  CFF_Field_Handler_

  {

    int               kind;

    int               code;

    FT_UInt           offset;

    FT_Byte           size;

    CFF_Field_Reader  reader;

    FT_UInt           array_max;

    FT_UInt           count_offset;

  } CFF_Field_Handler;

FT_END_HEADER

#endif /* __CFF_PARSE_H__ */

/* END */