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

/*                                                                         */

/*  psaux.h                                                                */

/*                                                                         */

/*    Auxiliary functions and data structures related to PostScript fonts  */

/*    (specification).                                                     */

/*                                                                         */

/*  Copyright 1996-2001, 2002, 2003, 2004, 2006, 2008, 2009 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 __PSAUX_H__

#define __PSAUX_H__





#include <ft2build.h>

#include FT_INTERNAL_OBJECTS_H

#include FT_INTERNAL_TYPE1_TYPES_H

#include FT_SERVICE_POSTSCRIPT_CMAPS_H





FT_BEGIN_HEADER





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

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

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

  /*****                             T1_TABLE                          *****/

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

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

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





  typedef struct PS_TableRec_*              PS_Table;

  typedef const struct PS_Table_FuncsRec_*  PS_Table_Funcs;





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

  /*                                                                       */

  /* <Struct>                                                              */

  /*    PS_Table_FuncsRec                                                  */

  /*                                                                       */

  /* <Description>                                                         */

  /*    A set of function pointers to manage PS_Table objects.             */

  /*                                                                       */

  /* <Fields>                                                              */

  /*    table_init    :: Used to initialize a table.                       */

  /*                                                                       */

  /*    table_done    :: Finalizes resp. destroy a given table.            */

  /*                                                                       */

  /*    table_add     :: Adds a new object to a table.                     */

  /*                                                                       */

  /*    table_release :: Releases table data, then finalizes it.           */

  /*                                                                       */

  typedef struct  PS_Table_FuncsRec_

  {

    FT_Error

    (*init)( PS_Table   table,

             FT_Int     count,

             FT_Memory  memory );



    void

    (*done)( PS_Table  table );



    FT_Error

    (*add)( PS_Table    table,

            FT_Int      idx,

            void*       object,

            FT_PtrDist  length );



    void

    (*release)( PS_Table  table );



  } PS_Table_FuncsRec;





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

  /*                                                                       */

  /* <Struct>                                                              */

  /*    PS_TableRec                                                        */

  /*                                                                       */

  /* <Description>                                                         */

  /*    A PS_Table is a simple object used to store an array of objects in */

  /*    a single memory block.                                             */

  /*                                                                       */

  /* <Fields>                                                              */

  /*    block     :: The address in memory of the growheap's block.  This  */

  /*                 can change between two object adds, due to            */

  /*                 reallocation.                                         */

  /*                                                                       */

  /*    cursor    :: The current top of the grow heap within its block.    */

  /*                                                                       */

  /*    capacity  :: The current size of the heap block.  Increments by    */

  /*                 1kByte chunks.                                        */

  /*                                                                       */

  /*    max_elems :: The maximum number of elements in table.              */

  /*                                                                       */

  /*    num_elems :: The current number of elements in table.              */

  /*                                                                       */

  /*    elements  :: A table of element addresses within the block.        */

  /*                                                                       */

  /*    lengths   :: A table of element sizes within the block.            */

  /*                                                                       */

  /*    memory    :: The object used for memory operations                 */

  /*                 (alloc/realloc).                                      */

  /*                                                                       */

  /*    funcs     :: A table of method pointers for this object.           */

  /*                                                                       */

  typedef struct  PS_TableRec_

  {

    FT_Byte*           block;          /* current memory block           */

    FT_Offset          cursor;         /* current cursor in memory block */

    FT_Offset          capacity;       /* current size of memory block   */

    FT_Long            init;



    FT_Int             max_elems;

    FT_Int             num_elems;

    FT_Byte**          elements;       /* addresses of table elements */

    FT_PtrDist*        lengths;        /* lengths of table elements   */



    FT_Memory          memory;

    PS_Table_FuncsRec  funcs;



  } PS_TableRec;





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

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

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

  /*****                       T1 FIELDS & TOKENS                      *****/

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

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

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



  typedef struct PS_ParserRec_*  PS_Parser;



  typedef struct T1_TokenRec_*   T1_Token;



  typedef struct T1_FieldRec_*   T1_Field;





  /* simple enumeration type used to identify token types */

  typedef enum  T1_TokenType_

  {

    T1_TOKEN_TYPE_NONE = 0,

    T1_TOKEN_TYPE_ANY,

    T1_TOKEN_TYPE_STRING,

    T1_TOKEN_TYPE_ARRAY,

    T1_TOKEN_TYPE_KEY, /* aka `name' */



    /* do not remove */

    T1_TOKEN_TYPE_MAX



  } T1_TokenType;





  /* a simple structure used to identify tokens */

  typedef struct  T1_TokenRec_

  {

    FT_Byte*      start;   /* first character of token in input stream */

    FT_Byte*      limit;   /* first character after the token          */

    T1_TokenType  type;    /* type of token                            */



  } T1_TokenRec;





  /* enumeration type used to identify object fields */

  typedef enum  T1_FieldType_

  {

    T1_FIELD_TYPE_NONE = 0,

    T1_FIELD_TYPE_BOOL,

    T1_FIELD_TYPE_INTEGER,

    T1_FIELD_TYPE_FIXED,

    T1_FIELD_TYPE_FIXED_1000,

    T1_FIELD_TYPE_STRING,

    T1_FIELD_TYPE_KEY,

    T1_FIELD_TYPE_BBOX,

    T1_FIELD_TYPE_INTEGER_ARRAY,

    T1_FIELD_TYPE_FIXED_ARRAY,

    T1_FIELD_TYPE_CALLBACK,



    /* do not remove */

    T1_FIELD_TYPE_MAX



  } T1_FieldType;





  typedef enum  T1_FieldLocation_

  {

    T1_FIELD_LOCATION_CID_INFO,

    T1_FIELD_LOCATION_FONT_DICT,

    T1_FIELD_LOCATION_FONT_EXTRA,

    T1_FIELD_LOCATION_FONT_INFO,

    T1_FIELD_LOCATION_PRIVATE,

    T1_FIELD_LOCATION_BBOX,

    T1_FIELD_LOCATION_LOADER,

    T1_FIELD_LOCATION_FACE,

    T1_FIELD_LOCATION_BLEND,



    /* do not remove */

    T1_FIELD_LOCATION_MAX



  } T1_FieldLocation;





  typedef void

  (*T1_Field_ParseFunc)( FT_Face     face,

                         FT_Pointer  parser );





  /* structure type used to model object fields */

  typedef struct  T1_FieldRec_

  {

    const char*         ident;        /* field identifier               */

    T1_FieldLocation    location;

    T1_FieldType        type;         /* type of field                  */

    T1_Field_ParseFunc  reader;

    FT_UInt             offset;       /* offset of field in object      */

    FT_Byte             size;         /* size of field in bytes         */

    FT_UInt             array_max;    /* maximal number of elements for */

                                      /* array                          */

    FT_UInt             count_offset; /* offset of element count for    */

                                      /* arrays; must not be zero if in */

                                      /* use -- in other words, a       */

                                      /* `num_FOO' element must not     */

                                      /* start the used structure if we */

                                      /* parse a `FOO' array            */

    FT_UInt             dict;         /* where we expect it             */

  } T1_FieldRec;



#define T1_FIELD_DICT_FONTDICT ( 1 << 0 ) /* also FontInfo and FDArray */

#define T1_FIELD_DICT_PRIVATE  ( 1 << 1 )







#define T1_NEW_SIMPLE_FIELD( _ident, _type, _fname, _dict ) \

          {                                                 \

            _ident, T1CODE, _type,                          \

            0,                                              \

            FT_FIELD_OFFSET( _fname ),                      \

            FT_FIELD_SIZE( _fname ),                        \

            0, 0,                                           \

            _dict                                           \

          },



#define T1_NEW_CALLBACK_FIELD( _ident, _reader, _dict ) \

          {                                             \

            _ident, T1CODE, T1_FIELD_TYPE_CALLBACK,     \

            (T1_Field_ParseFunc)_reader,                \

            0, 0,                                       \

            0, 0,                                       \

            _dict                                       \

          },



#define T1_NEW_TABLE_FIELD( _ident, _type, _fname, _max, _dict ) \

          {                                                      \

            _ident, T1CODE, _type,                               \

            0,                                                   \

            FT_FIELD_OFFSET( _fname ),                           \

            FT_FIELD_SIZE_DELTA( _fname ),                       \

            _max,                                                \

            FT_FIELD_OFFSET( num_ ## _fname ),                   \

            _dict                                                \

          },



#define T1_NEW_TABLE_FIELD2( _ident, _type, _fname, _max, _dict ) \

          {                                                       \

            _ident, T1CODE, _type,                                \

            0,                                                    \

            FT_FIELD_OFFSET( _fname ),                            \

            FT_FIELD_SIZE_DELTA( _fname ),                        \

            _max, 0,                                              \

            _dict                                                 \

          },





#define T1_FIELD_BOOL( _ident, _fname, _dict )                             \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BOOL, _fname, _dict )



#define T1_FIELD_NUM( _ident, _fname, _dict )                                 \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER, _fname, _dict )



#define T1_FIELD_FIXED( _ident, _fname, _dict )                             \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED, _fname, _dict )



#define T1_FIELD_FIXED_1000( _ident, _fname, _dict )                     \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_1000, _fname, \

                               _dict )



#define T1_FIELD_STRING( _ident, _fname, _dict )                             \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_STRING, _fname, _dict )



#define T1_FIELD_KEY( _ident, _fname, _dict )                             \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_KEY, _fname, _dict )



#define T1_FIELD_BBOX( _ident, _fname, _dict )                             \

          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BBOX, _fname, _dict )





#define T1_FIELD_NUM_TABLE( _ident, _fname, _fmax, _dict )         \

          T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \

                              _fname, _fmax, _dict )



#define T1_FIELD_FIXED_TABLE( _ident, _fname, _fmax, _dict )     \

          T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \

                              _fname, _fmax, _dict )



#define T1_FIELD_NUM_TABLE2( _ident, _fname, _fmax, _dict )         \

          T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \

                               _fname, _fmax, _dict )



#define T1_FIELD_FIXED_TABLE2( _ident, _fname, _fmax, _dict )     \

          T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \

                               _fname, _fmax, _dict )



#define T1_FIELD_CALLBACK( _ident, _name, _dict )       \

          T1_NEW_CALLBACK_FIELD( _ident, _name, _dict )





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

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

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

  /*****                            T1 PARSER                          *****/

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

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

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



  typedef const struct PS_Parser_FuncsRec_*  PS_Parser_Funcs;



  typedef struct  PS_Parser_FuncsRec_

  {

    void

    (*init)( PS_Parser  parser,

             FT_Byte*   base,

             FT_Byte*   limit,

             FT_Memory  memory );



    void

    (*done)( PS_Parser  parser );



    void

    (*skip_spaces)( PS_Parser  parser );

    void

    (*skip_PS_token)( PS_Parser  parser );



    FT_Long

    (*to_int)( PS_Parser  parser );

    FT_Fixed

    (*to_fixed)( PS_Parser  parser,

                 FT_Int     power_ten );



    FT_Error

    (*to_bytes)( PS_Parser  parser,

                 FT_Byte*   bytes,

                 FT_Offset  max_bytes,

                 FT_Long*   pnum_bytes,

                 FT_Bool    delimiters );



    FT_Int

    (*to_coord_array)( PS_Parser  parser,

                       FT_Int     max_coords,

                       FT_Short*  coords );

    FT_Int

    (*to_fixed_array)( PS_Parser  parser,

                       FT_Int     max_values,

                       FT_Fixed*  values,

                       FT_Int     power_ten );



    void

    (*to_token)( PS_Parser  parser,

                 T1_Token   token );

    void

    (*to_token_array)( PS_Parser  parser,

                       T1_Token   tokens,

                       FT_UInt    max_tokens,

                       FT_Int*    pnum_tokens );



    FT_Error

    (*load_field)( PS_Parser       parser,

                   const T1_Field  field,

                   void**          objects,

                   FT_UInt         max_objects,

                   FT_ULong*       pflags );



    FT_Error

    (*load_field_table)( PS_Parser       parser,

                         const T1_Field  field,

                         void**          objects,

                         FT_UInt         max_objects,

                         FT_ULong*       pflags );



  } PS_Parser_FuncsRec;





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

  /*                                                                       */

  /* <Struct>                                                              */

  /*    PS_ParserRec                                                       */

  /*                                                                       */

  /* <Description>                                                         */

  /*    A PS_Parser is an object used to parse a Type 1 font very quickly. */

  /*                                                                       */

  /* <Fields>                                                              */

  /*    cursor :: The current position in the text.                        */

  /*                                                                       */

  /*    base   :: Start of the processed text.                             */

  /*                                                                       */

  /*    limit  :: End of the processed text.                               */

  /*                                                                       */

  /*    error  :: The last error returned.                                 */

  /*                                                                       */

  /*    memory :: The object used for memory operations (alloc/realloc).   */

  /*                                                                       */

  /*    funcs  :: A table of functions for the parser.                     */

  /*                                                                       */

  typedef struct  PS_ParserRec_

  {

    FT_Byte*   cursor;

    FT_Byte*   base;

    FT_Byte*   limit;

    FT_Error   error;

    FT_Memory  memory;



    PS_Parser_FuncsRec  funcs;



  } PS_ParserRec;





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

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

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

  /*****                         T1 BUILDER                            *****/

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

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

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





  typedef struct T1_BuilderRec_*  T1_Builder;





  typedef FT_Error

  (*T1_Builder_Check_Points_Func)( T1_Builder  builder,

                                   FT_Int      count );



  typedef void

  (*T1_Builder_Add_Point_Func)( T1_Builder  builder,

                                FT_Pos      x,

                                FT_Pos      y,

                                FT_Byte     flag );



  typedef FT_Error

  (*T1_Builder_Add_Point1_Func)( T1_Builder  builder,

                                 FT_Pos      x,

                                 FT_Pos      y );



  typedef FT_Error

  (*T1_Builder_Add_Contour_Func)( T1_Builder  builder );



  typedef FT_Error

  (*T1_Builder_Start_Point_Func)( T1_Builder  builder,

                                  FT_Pos      x,

                                  FT_Pos      y );



  typedef void

  (*T1_Builder_Close_Contour_Func)( T1_Builder  builder );





  typedef const struct T1_Builder_FuncsRec_*  T1_Builder_Funcs;



  typedef struct  T1_Builder_FuncsRec_

  {

    void

    (*init)( T1_Builder    builder,

             FT_Face       face,

             FT_Size       size,

             FT_GlyphSlot  slot,

             FT_Bool       hinting );



    void

    (*done)( T1_Builder   builder );



    T1_Builder_Check_Points_Func   check_points;

    T1_Builder_Add_Point_Func      add_point;

    T1_Builder_Add_Point1_Func     add_point1;

    T1_Builder_Add_Contour_Func    add_contour;

    T1_Builder_Start_Point_Func    start_point;

    T1_Builder_Close_Contour_Func  close_contour;



  } T1_Builder_FuncsRec;





  /* an enumeration type to handle charstring parsing states */

  typedef enum  T1_ParseState_

  {

    T1_Parse_Start,

    T1_Parse_Have_Width,

    T1_Parse_Have_Moveto,

    T1_Parse_Have_Path



  } T1_ParseState;





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

  /*                                                                       */

  /* <Structure>                                                           */

  /*    T1_BuilderRec                                                      */

  /*                                                                       */

  /* <Description>                                                         */

  /*     A structure used during glyph loading to store its outline.       */

  /*                                                                       */

  /* <Fields>                                                              */

  /*    memory       :: The current memory object.                         */

  /*                                                                       */

  /*    face         :: The current face object.                           */

  /*                                                                       */

  /*    glyph        :: The current glyph slot.                            */

  /*                                                                       */

  /*    loader       :: XXX                                                */

  /*                                                                       */

  /*    base         :: The base glyph outline.                            */

  /*                                                                       */

  /*    current      :: The current glyph outline.                         */

  /*                                                                       */

  /*    max_points   :: maximum points in builder outline                  */

  /*                                                                       */

  /*    max_contours :: Maximal number of contours in builder outline.     */

  /*                                                                       */

  /*    pos_x        :: The horizontal translation (if composite glyph).   */

  /*                                                                       */

  /*    pos_y        :: The vertical translation (if composite glyph).     */

  /*                                                                       */

  /*    left_bearing :: The left side bearing point.                       */

  /*                                                                       */

  /*    advance      :: The horizontal advance vector.                     */

  /*                                                                       */

  /*    bbox         :: Unused.                                            */

  /*                                                                       */

  /*    parse_state  :: An enumeration which controls the charstring       */

  /*                    parsing state.                                     */

  /*                                                                       */

  /*    load_points  :: If this flag is not set, no points are loaded.     */

  /*                                                                       */

  /*    no_recurse   :: Set but not used.                                  */

  /*                                                                       */

  /*    metrics_only :: A boolean indicating that we only want to compute  */

  /*                    the metrics of a given glyph, not load all of its  */

  /*                    points.                                            */

  /*                                                                       */

  /*    funcs        :: An array of function pointers for the builder.     */

  /*                                                                       */

  typedef struct  T1_BuilderRec_

  {

    FT_Memory       memory;

    FT_Face         face;

    FT_GlyphSlot    glyph;

    FT_GlyphLoader  loader;

    FT_Outline*     base;

    FT_Outline*     current;



    FT_Pos          pos_x;

    FT_Pos          pos_y;



    FT_Vector       left_bearing;

    FT_Vector       advance;



    FT_BBox         bbox;          /* bounding box */

    T1_ParseState   parse_state;

    FT_Bool         load_points;

    FT_Bool         no_recurse;



    FT_Bool         metrics_only;



    void*           hints_funcs;    /* hinter-specific */

    void*           hints_globals;  /* hinter-specific */



    T1_Builder_FuncsRec  funcs;



  } T1_BuilderRec;





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

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

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

  /*****                         T1 DECODER                            *****/

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

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

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



#if 0



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

  /*                                                                       */

  /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine   */

  /* calls during glyph loading.                                           */

  /*                                                                       */

#define T1_MAX_SUBRS_CALLS  8





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

  /*                                                                       */

  /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity.  A     */

  /* minimum of 16 is required.                                            */

  /*                                                                       */

#define T1_MAX_CHARSTRINGS_OPERANDS  32



#endif /* 0 */





  typedef struct  T1_Decoder_ZoneRec_

  {

    FT_Byte*  cursor;

    FT_Byte*  base;

    FT_Byte*  limit;



  } T1_Decoder_ZoneRec, *T1_Decoder_Zone;





  typedef struct T1_DecoderRec_*              T1_Decoder;

  typedef const struct T1_Decoder_FuncsRec_*  T1_Decoder_Funcs;





  typedef FT_Error

  (*T1_Decoder_Callback)( T1_Decoder  decoder,

                          FT_UInt     glyph_index );





  typedef struct  T1_Decoder_FuncsRec_

  {

    FT_Error

    (*init)( T1_Decoder           decoder,

             FT_Face              face,

             FT_Size              size,

             FT_GlyphSlot         slot,

             FT_Byte**            glyph_names,

             PS_Blend             blend,

             FT_Bool              hinting,

             FT_Render_Mode       hint_mode,

             T1_Decoder_Callback  callback );



    void

    (*done)( T1_Decoder  decoder );



    FT_Error

    (*parse_charstrings)( T1_Decoder  decoder,

                          FT_Byte*    base,

                          FT_UInt     len );



  } T1_Decoder_FuncsRec;





  typedef struct  T1_DecoderRec_

  {

    T1_BuilderRec        builder;



    FT_Long              stack[T1_MAX_CHARSTRINGS_OPERANDS];

    FT_Long*             top;



    T1_Decoder_ZoneRec   zones[T1_MAX_SUBRS_CALLS + 1];

    T1_Decoder_Zone      zone;



    FT_Service_PsCMaps   psnames;      /* for seac */

    FT_UInt              num_glyphs;

    FT_Byte**            glyph_names;



    FT_Int               lenIV;        /* internal for sub routine calls */

    FT_UInt              num_subrs;

    FT_Byte**            subrs;

    FT_PtrDist*          subrs_len;    /* array of subrs length (optional) */



    FT_Matrix            font_matrix;

    FT_Vector            font_offset;



    FT_Int               flex_state;

    FT_Int               num_flex_vectors;

    FT_Vector            flex_vectors[7];



    PS_Blend             blend;       /* for multiple master support */



    FT_Render_Mode       hint_mode;



    T1_Decoder_Callback  parse_callback;

    T1_Decoder_FuncsRec  funcs;



    FT_Long*             buildchar;

    FT_UInt              len_buildchar;



    FT_Bool              seac;



  } T1_DecoderRec;





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

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

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

  /*****                            AFM PARSER                         *****/

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

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

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



  typedef struct AFM_ParserRec_*  AFM_Parser;



  typedef struct  AFM_Parser_FuncsRec_

  {

    FT_Error

    (*init)( AFM_Parser  parser,

             FT_Memory   memory,

             FT_Byte*    base,

             FT_Byte*    limit );



    void

    (*done)( AFM_Parser  parser );



    FT_Error

    (*parse)( AFM_Parser  parser );



  } AFM_Parser_FuncsRec;





  typedef struct AFM_StreamRec_*  AFM_Stream;





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

  /*                                                                       */

  /* <Struct>                                                              */

  /*    AFM_ParserRec                                                      */

  /*                                                                       */

  /* <Description>                                                         */

  /*    An AFM_Parser is a parser for the AFM files.                       */

  /*                                                                       */

  /* <Fields>                                                              */

  /*    memory    :: The object used for memory operations (alloc and      */

  /*                 realloc).                                             */

  /*                                                                       */

  /*    stream    :: This is an opaque object.                             */

  /*                                                                       */

  /*    FontInfo  :: The result will be stored here.                       */

  /*                                                                       */

  /*    get_index :: A user provided function to get a glyph index by its  */

  /*                 name.                                                 */

  /*                                                                       */

  typedef struct  AFM_ParserRec_

  {

    FT_Memory     memory;

    AFM_Stream    stream;



    AFM_FontInfo  FontInfo;



    FT_Int

    (*get_index)( const char*  name,

                  FT_Offset    len,

                  void*        user_data );



    void*         user_data;



  } AFM_ParserRec;





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

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

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

  /*****                     TYPE1 CHARMAPS                            *****/

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

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

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



  typedef const struct T1_CMap_ClassesRec_*  T1_CMap_Classes;



  typedef struct T1_CMap_ClassesRec_

  {

    FT_CMap_Class  standard;

    FT_CMap_Class  expert;

    FT_CMap_Class  custom;

    FT_CMap_Class  unicode;



  } T1_CMap_ClassesRec;





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

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

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

  /*****                        PSAux Module Interface                 *****/

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

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

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



  typedef struct  PSAux_ServiceRec_

  {

    /* don't use `PS_Table_Funcs' and friends to avoid compiler warnings */

    const PS_Table_FuncsRec*    ps_table_funcs;

    const PS_Parser_FuncsRec*   ps_parser_funcs;

    const T1_Builder_FuncsRec*  t1_builder_funcs;

    const T1_Decoder_FuncsRec*  t1_decoder_funcs;



    void

    (*t1_decrypt)( FT_Byte*   buffer,

                   FT_Offset  length,

                   FT_UShort  seed );



    T1_CMap_Classes  t1_cmap_classes;



    /* fields after this comment line were added after version 2.1.10 */

    const AFM_Parser_FuncsRec*  afm_parser_funcs;



  } PSAux_ServiceRec, *PSAux_Service;



  /* backwards-compatible type definition */

  typedef PSAux_ServiceRec   PSAux_Interface;





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

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

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

  /*****                 Some convenience functions                    *****/

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

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

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



#define IS_PS_NEWLINE( ch ) \

  ( (ch) == '\r' ||         \

    (ch) == '\n' )



#define IS_PS_SPACE( ch )  \

  ( (ch) == ' '         || \

    IS_PS_NEWLINE( ch ) || \

    (ch) == '\t'        || \

    (ch) == '\f'        || \

    (ch) == '\0' )



#define IS_PS_SPECIAL( ch )       \

  ( (ch) == '/'                || \

    (ch) == '(' || (ch) == ')' || \

    (ch) == '<' || (ch) == '>' || \

    (ch) == '[' || (ch) == ']' || \

    (ch) == '{' || (ch) == '}' || \

    (ch) == '%'                )



#define IS_PS_DELIM( ch )  \

  ( IS_PS_SPACE( ch )   || \

    IS_PS_SPECIAL( ch ) )



#define IS_PS_DIGIT( ch )        \

  ( (ch) >= '0' && (ch) <= '9' )



#define IS_PS_XDIGIT( ch )            \

  ( IS_PS_DIGIT( ch )              || \

    ( (ch) >= 'A' && (ch) <= 'F' ) || \

    ( (ch) >= 'a' && (ch) <= 'f' ) )



#define IS_PS_BASE85( ch )       \

  ( (ch) >= '!' && (ch) <= 'u' )



#define IS_PS_TOKEN( cur, limit, token )                                \

  ( (char)(cur)[0] == (token)[0]                                     && \

    ( (cur) + sizeof ( (token) ) == (limit) ||                          \

      ( (cur) + sizeof( (token) ) < (limit)          &&                 \

        IS_PS_DELIM( (cur)[sizeof ( (token) ) - 1] ) ) )             && \

    ft_strncmp( (char*)(cur), (token), sizeof ( (token) ) - 1 ) == 0 )





FT_END_HEADER



#endif /* __PSAUX_H__ */





/* END */

