1 /***************************************************************************/ |
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2 /* */ |
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3 /* cffparse.h */ |
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4 /* */ |
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5 /* CFF token stream parser (specification) */ |
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6 /* */ |
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7 /* Copyright 1996-2001, 2002, 2003 by */ |
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8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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9 /* */ |
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10 /* This file is part of the FreeType project, and may only be used, */ |
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11 /* modified, and distributed under the terms of the FreeType project */ |
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12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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13 /* this file you indicate that you have read the license and */ |
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14 /* understand and accept it fully. */ |
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15 /* */ |
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16 /***************************************************************************/ |
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17 |
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18 |
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19 #ifndef __CFF_PARSE_H__ |
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20 #define __CFF_PARSE_H__ |
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21 |
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22 |
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23 #include <ft2build.h> |
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24 #include "cfftypes.h" |
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25 #include FT_INTERNAL_OBJECTS_H |
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26 |
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27 |
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28 FT_BEGIN_HEADER |
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29 |
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30 |
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31 #define CFF_MAX_STACK_DEPTH 96 |
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32 |
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33 #define CFF_CODE_TOPDICT 0x1000 |
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34 #define CFF_CODE_PRIVATE 0x2000 |
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35 |
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36 |
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37 typedef struct CFF_ParserRec_ |
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38 { |
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39 FT_Library library; |
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40 FT_Byte* start; |
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41 FT_Byte* limit; |
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42 FT_Byte* cursor; |
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43 |
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44 FT_Byte* stack[CFF_MAX_STACK_DEPTH + 1]; |
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45 FT_Byte** top; |
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46 |
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47 FT_UInt object_code; |
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48 void* object; |
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49 |
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50 } CFF_ParserRec, *CFF_Parser; |
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51 |
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52 |
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53 FT_LOCAL( void ) |
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54 cff_parser_init( CFF_Parser parser, |
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55 FT_UInt code, |
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56 void* object, |
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57 FT_Library library); |
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58 |
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59 FT_LOCAL( FT_Error ) |
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60 cff_parser_run( CFF_Parser parser, |
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61 FT_Byte* start, |
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62 FT_Byte* limit ); |
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63 |
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64 |
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65 enum |
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66 { |
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67 cff_kind_none = 0, |
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68 cff_kind_num, |
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69 cff_kind_fixed, |
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70 cff_kind_fixed_thousand, |
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71 cff_kind_string, |
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72 cff_kind_bool, |
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73 cff_kind_delta, |
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74 cff_kind_callback, |
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75 |
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76 cff_kind_max /* do not remove */ |
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77 }; |
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78 |
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79 |
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80 /* now generate handlers for the most simple fields */ |
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81 typedef FT_Error (*CFF_Field_Reader)( CFF_Parser parser ); |
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82 |
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83 typedef struct CFF_Field_Handler_ |
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84 { |
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85 int kind; |
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86 int code; |
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87 FT_UInt offset; |
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88 FT_Byte size; |
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89 CFF_Field_Reader reader; |
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90 FT_UInt array_max; |
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91 FT_UInt count_offset; |
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92 |
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93 } CFF_Field_Handler; |
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94 |
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95 |
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96 FT_END_HEADER |
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97 |
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98 |
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99 #endif /* __CFF_PARSE_H__ */ |
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100 |
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101 |
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102 /* END */ |
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