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cffparse.h
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00001 /***************************************************************************/ 00002 /* */ 00003 /* cffparse.h */ 00004 /* */ 00005 /* CFF token stream parser (specification) */ 00006 /* */ 00007 /* Copyright 1996-2001, 2002, 2003 by */ 00008 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ 00009 /* */ 00010 /* This file is part of the FreeType project, and may only be used, */ 00011 /* modified, and distributed under the terms of the FreeType project */ 00012 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 00013 /* this file you indicate that you have read the license and */ 00014 /* understand and accept it fully. */ 00015 /* */ 00016 /***************************************************************************/ 00017 00018 00019 #ifndef __CFF_PARSE_H__ 00020 #define __CFF_PARSE_H__ 00021 00022 00023 #include <ft2build.h> 00024 #include "cfftypes.h" 00025 #include FT_INTERNAL_OBJECTS_H 00026 00027 00028 FT_BEGIN_HEADER 00029 00030 00031 #define CFF_MAX_STACK_DEPTH 96 00032 00033 #define CFF_CODE_TOPDICT 0x1000 00034 #define CFF_CODE_PRIVATE 0x2000 00035 00036 00037 typedef struct CFF_ParserRec_ 00038 { 00039 FT_Library library; 00040 FT_Byte* start; 00041 FT_Byte* limit; 00042 FT_Byte* cursor; 00043 00044 FT_Byte* stack[CFF_MAX_STACK_DEPTH + 1]; 00045 FT_Byte** top; 00046 00047 FT_UInt object_code; 00048 void* object; 00049 00050 } CFF_ParserRec, *CFF_Parser; 00051 00052 00053 FT_LOCAL( void ) 00054 cff_parser_init( CFF_Parser parser, 00055 FT_UInt code, 00056 void* object, 00057 FT_Library library); 00058 00059 FT_LOCAL( FT_Error ) 00060 cff_parser_run( CFF_Parser parser, 00061 FT_Byte* start, 00062 FT_Byte* limit ); 00063 00064 00065 enum 00066 { 00067 cff_kind_none = 0, 00068 cff_kind_num, 00069 cff_kind_fixed, 00070 cff_kind_fixed_thousand, 00071 cff_kind_string, 00072 cff_kind_bool, 00073 cff_kind_delta, 00074 cff_kind_callback, 00075 00076 cff_kind_max /* do not remove */ 00077 }; 00078 00079 00080 /* now generate handlers for the most simple fields */ 00081 typedef FT_Error (*CFF_Field_Reader)( CFF_Parser parser ); 00082 00083 typedef struct CFF_Field_Handler_ 00084 { 00085 int kind; 00086 int code; 00087 FT_UInt offset; 00088 FT_Byte size; 00089 CFF_Field_Reader reader; 00090 FT_UInt array_max; 00091 FT_UInt count_offset; 00092 00093 } CFF_Field_Handler; 00094 00095 00096 FT_END_HEADER 00097 00098 00099 #endif /* __CFF_PARSE_H__ */ 00100 00101 00102 /* END */
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