diff options
Diffstat (limited to 'scheduler/mime.h')
-rw-r--r-- | scheduler/mime.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/scheduler/mime.h b/scheduler/mime.h new file mode 100644 index 0000000..c9e2147 --- /dev/null +++ b/scheduler/mime.h @@ -0,0 +1,162 @@ +/* + * "$Id: mime.h 9750 2011-05-06 22:53:53Z mike $" + * + * MIME type/conversion database definitions for CUPS. + * + * Copyright 2007-2011 by Apple Inc. + * Copyright 1997-2007 by Easy Software Products, all rights reserved. + * + * These coded instructions, statements, and computer programs are the + * property of Apple Inc. and are protected by Federal copyright + * law. Distribution and use rights are outlined in the file "LICENSE.txt" + * which should have been included with this file. If this file is + * file is missing or damaged, see the license at "http://www.cups.org/". + */ + +#ifndef _CUPS_MIME_H_ +# define _CUPS_MIME_H_ + +# include <cups/array.h> +# include <cups/ipp.h> +# include <cups/file.h> + + +/* + * C++ magic... + */ + +# ifdef __cplusplus +extern "C" { +# endif /* __cplusplus */ + + +/* + * Constants... + */ + +# define MIME_MAX_SUPER 16 /* Maximum size of supertype name */ +# define MIME_MAX_TYPE IPP_MAX_NAME /* Maximum size of type name */ +# define MIME_MAX_FILTER 256 /* Maximum size of filter pathname */ +# define MIME_MAX_BUFFER 4096 /* Maximum size of file buffer */ + + +/* + * Types/structures... + */ + +typedef enum +{ + MIME_MAGIC_NOP, /* No operation */ + MIME_MAGIC_AND, /* Logical AND of all children */ + MIME_MAGIC_OR, /* Logical OR of all children */ + MIME_MAGIC_MATCH, /* Filename match */ + MIME_MAGIC_ASCII, /* ASCII characters in range */ + MIME_MAGIC_PRINTABLE, /* Printable characters (32-255) in range */ + MIME_MAGIC_STRING, /* String matches */ + MIME_MAGIC_CHAR, /* Character/byte matches */ + MIME_MAGIC_SHORT, /* Short/16-bit word matches */ + MIME_MAGIC_INT, /* Integer/32-bit word matches */ + MIME_MAGIC_LOCALE, /* Current locale matches string */ + MIME_MAGIC_CONTAINS, /* File contains a string */ + MIME_MAGIC_ISTRING /* Case-insensitive string matches */ +} mime_op_t; + +typedef struct _mime_magic_s /**** MIME Magic Data ****/ +{ + struct _mime_magic_s *prev, /* Previous rule */ + *next, /* Next rule */ + *parent, /* Parent rules */ + *child; /* Child rules */ + short op, /* Operation code (see above) */ + invert; /* Invert the result */ + int offset, /* Offset in file */ + region, /* Region length */ + length; /* Length of data */ + union + { + char matchv[64]; /* Match value */ + char localev[64]; /* Locale value */ + char stringv[64]; /* String value */ + unsigned char charv; /* Byte value */ + unsigned short shortv; /* Short value */ + unsigned intv; /* Integer value */ + } value; +} mime_magic_t; + +typedef struct _mime_type_s /**** MIME Type Data ****/ +{ + mime_magic_t *rules; /* Rules used to detect this type */ + int priority; /* Priority of this type */ + char super[MIME_MAX_SUPER], /* Super-type name ("image", "application", etc.) */ + type[MIME_MAX_TYPE]; /* Type name ("png", "postscript", etc.) */ +} mime_type_t; + +typedef struct _mime_filter_s /**** MIME Conversion Filter Data ****/ +{ + mime_type_t *src, /* Source type */ + *dst; /* Destination type */ + int cost; /* Relative cost */ + char filter[MIME_MAX_FILTER];/* Filter program to use */ + size_t maxsize; /* Maximum file size for this filter */ +} mime_filter_t; + +typedef void (*mime_error_cb_t)(void *ctx, const char *message); + +typedef struct _mime_s /**** MIME Database ****/ +{ + cups_array_t *types; /* File types */ + cups_array_t *filters; /* Type conversion filters */ + cups_array_t *srcs; /* Filters sorted by source type */ + mime_error_cb_t error_cb; /* Error message callback */ + void *error_ctx; /* Pointer for callback */ +} mime_t; + + +/* + * Functions... + */ + +extern void mimeDelete(mime_t *mime); +extern mime_t *mimeNew(void) _CUPS_API_1_5; +extern mime_t *mimeLoad(const char *pathname, const char *filterpath); +extern mime_t *mimeLoadFilters(mime_t *mime, const char *pathname, + const char *filterpath); +extern mime_t *mimeLoadTypes(mime_t *mime, const char *pathname); + +extern mime_type_t *mimeAddType(mime_t *mime, const char *super, + const char *type); +extern int mimeAddTypeRule(mime_type_t *mt, const char *rule); +extern void mimeDeleteType(mime_t *mime, mime_type_t *mt); +extern mime_type_t *mimeFileType(mime_t *mime, const char *pathname, + const char *filename, int *compression); +extern mime_type_t *mimeFirstType(mime_t *mime); +extern mime_type_t *mimeNextType(mime_t *mime); +extern int mimeNumTypes(mime_t *mime); +extern mime_type_t *mimeType(mime_t *mime, const char *super, + const char *type); + +extern mime_filter_t *mimeAddFilter(mime_t *mime, mime_type_t *src, + mime_type_t *dst, int cost, + const char *filter); +extern void mimeDeleteFilter(mime_t *mime, mime_filter_t *filter); +extern cups_array_t *mimeFilter(mime_t *mime, mime_type_t *src, + mime_type_t *dst, int *cost); +extern cups_array_t *mimeFilter2(mime_t *mime, mime_type_t *src, + size_t srcsize, mime_type_t *dst, + int *cost); +extern mime_filter_t *mimeFilterLookup(mime_t *mime, mime_type_t *src, + mime_type_t *dst); +extern mime_filter_t *mimeFirstFilter(mime_t *mime); +extern mime_filter_t *mimeNextFilter(mime_t *mime); +extern int mimeNumFilters(mime_t *mime); +extern void mimeSetErrorCallback(mime_t *mime, mime_error_cb_t cb, + void *context) _CUPS_API_1_5; + +# ifdef __cplusplus +} +# endif /* __cplusplus */ +#endif /* !_CUPS_MIME_H_ */ + +/* + * End of "$Id: mime.h 9750 2011-05-06 22:53:53Z mike $". + */ |