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79df52e3 | 1 | /* |
063e1ac7 | 2 | * "$Id: mime.h,v 1.6 1999/07/12 16:09:39 mike Exp $" |
79df52e3 | 3 | * |
0b74af7d | 4 | * MIME type/conversion database definitions for the Common UNIX Printing System (CUPS). |
79df52e3 | 5 | * |
3a193f5e | 6 | * Copyright 1997-1999 by Easy Software Products, all rights reserved. |
79df52e3 | 7 | * |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
8784b6a6 | 17 | * 44141 Airport View Drive, Suite 204 |
79df52e3 | 18 | * Hollywood, Maryland 20636-3111 USA |
19 | * | |
20 | * Voice: (301) 373-9603 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
79df52e3 | 23 | */ |
24 | ||
0b74af7d | 25 | #ifndef _MIME_H_ |
26 | # define _MIME_H_ | |
27 | ||
0b74af7d | 28 | /* |
29 | * C++ magic... | |
30 | */ | |
31 | ||
32 | # ifdef _cplusplus | |
33 | extern "C" { | |
34 | # endif /* _cplusplus */ | |
35 | ||
36 | ||
37 | /* | |
38 | * Constants... | |
39 | */ | |
40 | ||
41 | # define MIME_MAX_SUPER 16 /* Maximum size of supertype name */ | |
42 | # define MIME_MAX_TYPE 32 /* Maximum size of type name */ | |
43 | # define MIME_MAX_FILTER 256 /* Maximum size of filter pathname */ | |
44 | # define MIME_MAX_BUFFER 8192 /* Maximum size of file buffer */ | |
45 | ||
46 | ||
47 | /* | |
48 | * Types/structures... | |
49 | */ | |
50 | ||
51 | typedef enum | |
52 | { | |
53 | MIME_MAGIC_NOP, /* No operation */ | |
54 | MIME_MAGIC_AND, /* Logical AND of all children */ | |
55 | MIME_MAGIC_OR, /* Logical OR of all children */ | |
56 | MIME_MAGIC_MATCH, /* Filename match */ | |
57 | MIME_MAGIC_ASCII, /* ASCII characters in range */ | |
58 | MIME_MAGIC_PRINTABLE, /* Printable characters (32-255) in range */ | |
59 | MIME_MAGIC_STRING, /* String matches */ | |
60 | MIME_MAGIC_CHAR, /* Character/byte matches */ | |
61 | MIME_MAGIC_SHORT, /* Short/16-bit word matches */ | |
62 | MIME_MAGIC_INT, /* Integer/32-bit word matches */ | |
63 | MIME_MAGIC_LOCALE /* Current locale matches string */ | |
64 | } mime_op_t; | |
65 | ||
66 | typedef struct mime_magic_str /**** MIME Magic Data ****/ | |
67 | { | |
68 | struct mime_magic_str *prev, /* Previous rule */ | |
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 | length; /* Length of data */ | |
76 | union | |
77 | { | |
78 | char matchv[64]; /* Match value */ | |
79 | char localev[64]; /* Locale value */ | |
80 | char stringv[64]; /* String value */ | |
81 | char charv; /* Byte value */ | |
82 | short shortv; /* Short value */ | |
83 | int intv; /* Integer value */ | |
84 | } value; | |
85 | } mime_magic_t; | |
86 | ||
87 | typedef struct /**** MIME Type Data ****/ | |
88 | { | |
89 | char super[MIME_MAX_SUPER], /* Super-type name ("image", "application", etc.) */ | |
90 | type[MIME_MAX_TYPE]; /* Type name ("png", "postscript", etc.) */ | |
91 | mime_magic_t *rules; /* Rules used to detect this type */ | |
92 | } mime_type_t; | |
93 | ||
94 | typedef struct /**** MIME Conversion Filter Data ****/ | |
95 | { | |
96 | mime_type_t *src, /* Source type */ | |
97 | *dst; /* Destination type */ | |
98 | int cost; /* Relative cost */ | |
99 | char filter[MIME_MAX_FILTER];/* Filter program to use */ | |
100 | } mime_filter_t; | |
101 | ||
102 | typedef struct /**** MIME Database ****/ | |
103 | { | |
104 | int num_types; /* Number of file types */ | |
105 | mime_type_t **types; /* File types */ | |
106 | int num_filters; /* Number of type conversion filters */ | |
107 | mime_filter_t *filters; /* Type conversion filters */ | |
108 | } mime_t; | |
109 | ||
110 | ||
111 | /* | |
112 | * Functions... | |
113 | */ | |
114 | ||
115 | extern void mimeDelete(mime_t *mime); | |
3b960317 | 116 | #define mimeLoad(pathname) mimeMerge((mime_t *)0, (pathname)); |
063e1ac7 | 117 | extern mime_t *mimeMerge(mime_t *mime, const char *pathname); |
0b74af7d | 118 | extern mime_t *mimeNew(void); |
119 | ||
063e1ac7 | 120 | extern mime_type_t *mimeAddType(mime_t *mime, const char *super, const char *type); |
121 | extern int mimeAddTypeRule(mime_type_t *mt, const char *rule); | |
122 | extern mime_type_t *mimeFileType(mime_t *mime, const char *pathname); | |
123 | extern mime_type_t *mimeType(mime_t *mime, const char *super, const char *type); | |
0b74af7d | 124 | |
125 | extern mime_filter_t *mimeAddFilter(mime_t *mime, mime_type_t *src, mime_type_t *dst, | |
063e1ac7 | 126 | int cost, const char *filter); |
0b74af7d | 127 | extern mime_filter_t *mimeFilter(mime_t *mime, mime_type_t *src, mime_type_t *dst, |
128 | int *num_filters); | |
129 | ||
130 | # ifdef _cplusplus | |
131 | } | |
132 | # endif /* _cplusplus */ | |
0b74af7d | 133 | #endif /* !_MIME_H_ */ |
79df52e3 | 134 | |
135 | /* | |
063e1ac7 | 136 | * End of "$Id: mime.h,v 1.6 1999/07/12 16:09:39 mike Exp $". |
79df52e3 | 137 | */ |