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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
10d09e33 | 4 | * MIME type/conversion database definitions for CUPS. |
ef416fc2 | 5 | * |
6ee54c07 | 6 | * Copyright 2007-2013 by Apple Inc. |
f7deaa1a | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 10 | * property of Apple Inc. and are protected by Federal copyright |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | */ |
15 | ||
16 | #ifndef _CUPS_MIME_H_ | |
17 | # define _CUPS_MIME_H_ | |
18 | ||
fa73b229 | 19 | # include <cups/array.h> |
ef416fc2 | 20 | # include <cups/ipp.h> |
21 | # include <cups/file.h> | |
6ee54c07 | 22 | # include <regex.h> |
ef416fc2 | 23 | |
24 | ||
25 | /* | |
26 | * C++ magic... | |
27 | */ | |
28 | ||
d09495fa | 29 | # ifdef __cplusplus |
ef416fc2 | 30 | extern "C" { |
d09495fa | 31 | # endif /* __cplusplus */ |
ef416fc2 | 32 | |
33 | ||
34 | /* | |
35 | * Constants... | |
36 | */ | |
37 | ||
38 | # define MIME_MAX_SUPER 16 /* Maximum size of supertype name */ | |
39 | # define MIME_MAX_TYPE IPP_MAX_NAME /* Maximum size of type name */ | |
40 | # define MIME_MAX_FILTER 256 /* Maximum size of filter pathname */ | |
4400e98d | 41 | # define MIME_MAX_BUFFER 4096 /* Maximum size of file buffer */ |
ef416fc2 | 42 | |
43 | ||
44 | /* | |
45 | * Types/structures... | |
46 | */ | |
47 | ||
48 | typedef enum | |
49 | { | |
50 | MIME_MAGIC_NOP, /* No operation */ | |
51 | MIME_MAGIC_AND, /* Logical AND of all children */ | |
52 | MIME_MAGIC_OR, /* Logical OR of all children */ | |
53 | MIME_MAGIC_MATCH, /* Filename match */ | |
54 | MIME_MAGIC_ASCII, /* ASCII characters in range */ | |
55 | MIME_MAGIC_PRINTABLE, /* Printable characters (32-255) in range */ | |
56 | MIME_MAGIC_STRING, /* String matches */ | |
57 | MIME_MAGIC_CHAR, /* Character/byte matches */ | |
58 | MIME_MAGIC_SHORT, /* Short/16-bit word matches */ | |
59 | MIME_MAGIC_INT, /* Integer/32-bit word matches */ | |
60 | MIME_MAGIC_LOCALE, /* Current locale matches string */ | |
61 | MIME_MAGIC_CONTAINS, /* File contains a string */ | |
6ee54c07 MS |
62 | MIME_MAGIC_ISTRING, /* Case-insensitive string matches */ |
63 | MIME_MAGIC_REGEX /* Regular expression matches */ | |
ef416fc2 | 64 | } mime_op_t; |
65 | ||
4400e98d | 66 | typedef struct _mime_magic_s /**** MIME Magic Data ****/ |
ef416fc2 | 67 | { |
bd7854cb | 68 | struct _mime_magic_s *prev, /* Previous rule */ |
ef416fc2 | 69 | *next, /* Next rule */ |
70 | *parent, /* Parent rules */ | |
71 | *child; /* Child rules */ | |
72 | short op, /* Operation code (see above) */ | |
73 | invert; /* Invert the result */ | |
74 | int offset, /* Offset in file */ | |
75 | region, /* Region length */ | |
76 | length; /* Length of data */ | |
77 | union | |
78 | { | |
79 | char matchv[64]; /* Match value */ | |
80 | char localev[64]; /* Locale value */ | |
81 | char stringv[64]; /* String value */ | |
cc754834 MS |
82 | unsigned char charv; /* Byte value */ |
83 | unsigned short shortv; /* Short value */ | |
84 | unsigned intv; /* Integer value */ | |
6ee54c07 | 85 | regex_t rev; /* Regular expression value */ |
ef416fc2 | 86 | } value; |
87 | } mime_magic_t; | |
88 | ||
4400e98d | 89 | typedef struct _mime_type_s /**** MIME Type Data ****/ |
ef416fc2 | 90 | { |
ef416fc2 | 91 | mime_magic_t *rules; /* Rules used to detect this type */ |
dd1abb6b | 92 | int priority; /* Priority of this type */ |
fa73b229 | 93 | char super[MIME_MAX_SUPER], /* Super-type name ("image", "application", etc.) */ |
94 | type[MIME_MAX_TYPE]; /* Type name ("png", "postscript", etc.) */ | |
ef416fc2 | 95 | } mime_type_t; |
96 | ||
4400e98d | 97 | typedef struct _mime_filter_s /**** MIME Conversion Filter Data ****/ |
ef416fc2 | 98 | { |
99 | mime_type_t *src, /* Source type */ | |
100 | *dst; /* Destination type */ | |
101 | int cost; /* Relative cost */ | |
102 | char filter[MIME_MAX_FILTER];/* Filter program to use */ | |
07ed0e9a | 103 | size_t maxsize; /* Maximum file size for this filter */ |
ef416fc2 | 104 | } mime_filter_t; |
105 | ||
eac3a0a0 MS |
106 | typedef void (*mime_error_cb_t)(void *ctx, const char *message); |
107 | ||
4400e98d | 108 | typedef struct _mime_s /**** MIME Database ****/ |
ef416fc2 | 109 | { |
eac3a0a0 MS |
110 | cups_array_t *types; /* File types */ |
111 | cups_array_t *filters; /* Type conversion filters */ | |
112 | cups_array_t *srcs; /* Filters sorted by source type */ | |
113 | mime_error_cb_t error_cb; /* Error message callback */ | |
114 | void *error_ctx; /* Pointer for callback */ | |
ef416fc2 | 115 | } mime_t; |
116 | ||
117 | ||
118 | /* | |
119 | * Functions... | |
120 | */ | |
121 | ||
122 | extern void mimeDelete(mime_t *mime); | |
eac3a0a0 | 123 | extern mime_t *mimeNew(void) _CUPS_API_1_5; |
fa73b229 | 124 | extern mime_t *mimeLoad(const char *pathname, const char *filterpath); |
75bd9771 MS |
125 | extern mime_t *mimeLoadFilters(mime_t *mime, const char *pathname, |
126 | const char *filterpath); | |
127 | extern mime_t *mimeLoadTypes(mime_t *mime, const char *pathname); | |
ef416fc2 | 128 | |
fa73b229 | 129 | extern mime_type_t *mimeAddType(mime_t *mime, const char *super, |
130 | const char *type); | |
ef416fc2 | 131 | extern int mimeAddTypeRule(mime_type_t *mt, const char *rule); |
fa73b229 | 132 | extern void mimeDeleteType(mime_t *mime, mime_type_t *mt); |
ef416fc2 | 133 | extern mime_type_t *mimeFileType(mime_t *mime, const char *pathname, |
4400e98d | 134 | const char *filename, int *compression); |
fa73b229 | 135 | extern mime_type_t *mimeFirstType(mime_t *mime); |
136 | extern mime_type_t *mimeNextType(mime_t *mime); | |
137 | extern int mimeNumTypes(mime_t *mime); | |
138 | extern mime_type_t *mimeType(mime_t *mime, const char *super, | |
139 | const char *type); | |
140 | ||
141 | extern mime_filter_t *mimeAddFilter(mime_t *mime, mime_type_t *src, | |
142 | mime_type_t *dst, int cost, | |
143 | const char *filter); | |
144 | extern void mimeDeleteFilter(mime_t *mime, mime_filter_t *filter); | |
145 | extern cups_array_t *mimeFilter(mime_t *mime, mime_type_t *src, | |
bd7854cb | 146 | mime_type_t *dst, int *cost); |
07ed0e9a MS |
147 | extern cups_array_t *mimeFilter2(mime_t *mime, mime_type_t *src, |
148 | size_t srcsize, mime_type_t *dst, | |
149 | int *cost); | |
f7deaa1a | 150 | extern mime_filter_t *mimeFilterLookup(mime_t *mime, mime_type_t *src, |
151 | mime_type_t *dst); | |
fa73b229 | 152 | extern mime_filter_t *mimeFirstFilter(mime_t *mime); |
153 | extern mime_filter_t *mimeNextFilter(mime_t *mime); | |
154 | extern int mimeNumFilters(mime_t *mime); | |
eac3a0a0 MS |
155 | extern void mimeSetErrorCallback(mime_t *mime, mime_error_cb_t cb, |
156 | void *context) _CUPS_API_1_5; | |
ef416fc2 | 157 | |
d09495fa | 158 | # ifdef __cplusplus |
ef416fc2 | 159 | } |
d09495fa | 160 | # endif /* __cplusplus */ |
ef416fc2 | 161 | #endif /* !_CUPS_MIME_H_ */ |
162 | ||
163 | /* | |
f2d18633 | 164 | * End of "$Id$". |
ef416fc2 | 165 | */ |