/*
- * "$Id: filter.c 7694 2008-06-26 00:23:20Z mike $"
+ * File type conversion routines for CUPS.
*
- * File type conversion routines for CUPS.
+ * Copyright 2007-2011 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * Copyright 2007-2010 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/".
- *
- * Contents:
- *
- * mimeAddFilter() - Add a filter to the current MIME database.
- * mimeFilter() - Find the fastest way to convert from one type to
- * another.
- * mimeFilter2() - Find the fastest way to convert from one type to
- * another, including the file size.
- * mimeFilterLookup() - Lookup a filter.
- * compare_filters() - Compare two filters.
- * find_filters() - Find the filters to convert from one type to another.
+ * 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/".
*/
/*
* Local functions...
*/
-static int compare_filters(mime_filter_t *, mime_filter_t *);
-static int compare_srcs(mime_filter_t *, mime_filter_t *);
-static cups_array_t *find_filters(mime_t *mime, mime_type_t *src,
+static int mime_compare_filters(mime_filter_t *, mime_filter_t *);
+static int mime_compare_srcs(mime_filter_t *, mime_filter_t *);
+static cups_array_t *mime_find_filters(mime_t *mime, mime_type_t *src,
size_t srcsize, mime_type_t *dst,
int *cost, _mime_typelist_t *visited);
mime_filter_t *temp; /* New filter */
+ DEBUG_printf(("mimeAddFilter(mime=%p, src=%p(%s/%s), dst=%p(%s/%s), cost=%d, "
+ "filter=\"%s\")", mime,
+ src, src ? src->super : "???", src ? src->type : "???",
+ dst, dst ? dst->super : "???", dst ? dst->type : "???",
+ cost, filter));
+
/*
* Range-check the input...
*/
if (!mime || !src || !dst || !filter)
+ {
+ DEBUG_puts("1mimeAddFilter: Returning NULL.");
return (NULL);
+ }
/*
* See if we already have an existing filter for the given source and
if (temp->cost > cost)
{
+ DEBUG_printf(("1mimeAddFilter: Replacing filter \"%s\", cost %d.",
+ temp->filter, temp->cost));
temp->cost = cost;
strlcpy(temp->filter, filter, sizeof(temp->filter));
}
*/
if (!mime->filters)
- mime->filters = cupsArrayNew((cups_array_func_t)compare_filters, NULL);
+ mime->filters = cupsArrayNew((cups_array_func_t)mime_compare_filters, NULL);
if (!mime->filters)
return (NULL);
temp->cost = cost;
strlcpy(temp->filter, filter, sizeof(temp->filter));
+ DEBUG_puts("1mimeAddFilter: Adding new filter.");
cupsArrayAdd(mime->filters, temp);
+ cupsArrayAdd(mime->srcs, temp);
}
/*
* Return the new/updated filter...
*/
+ DEBUG_printf(("1mimeAddFilter: Returning %p.", temp));
+
return (temp);
}
int *cost) /* O - Cost of filters */
{
DEBUG_printf(("mimeFilter(mime=%p, src=%p(%s/%s), dst=%p(%s/%s), "
- "cost=%p(%d))",
- mime, src, src ? src->super : "?", src ? src->type : "?",
- dst, dst ? dst->super : "?", dst ? dst->type : "?",
+ "cost=%p(%d))", mime,
+ src, src ? src->super : "???", src ? src->type : "???",
+ dst, dst ? dst->super : "???", dst ? dst->type : "???",
cost, cost ? *cost : 0));
return (mimeFilter2(mime, src, 0, dst, cost));
mime_type_t *dst, /* I - Destination file type */
int *cost) /* O - Cost of filters */
{
+ cups_array_t *filters; /* Array of filters to run */
+
+
/*
* Range-check the input...
*/
DEBUG_printf(("mimeFilter2(mime=%p, src=%p(%s/%s), srcsize=" CUPS_LLFMT
- ", dst=%p(%s/%s), cost=%p(%d))",
- mime, src, src ? src->super : "?", src ? src->type : "?",
- CUPS_LLCAST srcsize, dst, dst ? dst->super : "?",
- dst ? dst->type : "?", cost, cost ? *cost : 0));
+ ", dst=%p(%s/%s), cost=%p(%d))", mime,
+ src, src ? src->super : "???", src ? src->type : "???",
+ CUPS_LLCAST srcsize,
+ dst, dst ? dst->super : "???", dst ? dst->type : "???",
+ cost, cost ? *cost : 0));
if (cost)
*cost = 0;
{
mime_filter_t *current; /* Current filter */
- mime->srcs = cupsArrayNew((cups_array_func_t)compare_srcs, NULL);
+ mime->srcs = cupsArrayNew((cups_array_func_t)mime_compare_srcs, NULL);
for (current = mimeFirstFilter(mime);
current;
* Find the filters...
*/
- return (find_filters(mime, src, srcsize, dst, cost, NULL));
+ filters = mime_find_filters(mime, src, srcsize, dst, cost, NULL);
+
+ DEBUG_printf(("1mimeFilter2: Returning %d filter(s), cost %d:",
+ cupsArrayCount(filters), cost ? *cost : -1));
+#ifdef DEBUG
+ {
+ mime_filter_t *filter; /* Current filter */
+
+ for (filter = (mime_filter_t *)cupsArrayFirst(filters);
+ filter;
+ filter = (mime_filter_t *)cupsArrayNext(filters))
+ DEBUG_printf(("1mimeFilter2: %s/%s %s/%s %d %s", filter->src->super,
+ filter->src->type, filter->dst->super, filter->dst->type,
+ filter->cost, filter->filter));
+ }
+#endif /* DEBUG */
+
+ return (filters);
}
mime_type_t *src, /* I - Source type */
mime_type_t *dst) /* I - Destination type */
{
- mime_filter_t key; /* Key record for filter search */
+ mime_filter_t key, /* Key record for filter search */
+ *filter; /* Matching filter */
+ DEBUG_printf(("2mimeFilterLookup(mime=%p, src=%p(%s/%s), dst=%p(%s/%s))", mime,
+ src, src ? src->super : "???", src ? src->type : "???",
+ dst, dst ? dst->super : "???", dst ? dst->type : "???"));
+
key.src = src;
key.dst = dst;
- return ((mime_filter_t *)cupsArrayFind(mime->filters, &key));
+ filter = (mime_filter_t *)cupsArrayFind(mime->filters, &key);
+ DEBUG_printf(("3mimeFilterLookup: Returning %p(%s).", filter,
+ filter ? filter->filter : "???"));
+ return (filter);
}
/*
- * 'compare_filters()' - Compare two filters.
+ * 'mime_compare_filters()' - Compare two filters.
*/
static int /* O - Comparison result */
-compare_filters(mime_filter_t *f0, /* I - First filter */
- mime_filter_t *f1) /* I - Second filter */
+mime_compare_filters(mime_filter_t *f0, /* I - First filter */
+ mime_filter_t *f1) /* I - Second filter */
{
int i; /* Result of comparison */
/*
- * 'compare_srcs()' - Compare two srcs...
+ * 'mime_compare_srcs()' - Compare two filter source types.
*/
static int /* O - Comparison result */
-compare_srcs(mime_filter_t *f0, /* I - First filter */
- mime_filter_t *f1) /* I - Second filter */
+mime_compare_srcs(mime_filter_t *f0, /* I - First filter */
+ mime_filter_t *f1) /* I - Second filter */
{
int i; /* Result of comparison */
/*
- * 'find_filters()' - Find the filters to convert from one type to another.
+ * 'mime_find_filters()' - Find the filters to convert from one type to another.
*/
static cups_array_t * /* O - Array of filters to run */
-find_filters(mime_t *mime, /* I - MIME database */
- mime_type_t *src, /* I - Source file type */
- size_t srcsize, /* I - Size of source file */
- mime_type_t *dst, /* I - Destination file type */
- int *cost, /* O - Cost of filters */
- _mime_typelist_t *list) /* I - Source types we've used */
+mime_find_filters(
+ mime_t *mime, /* I - MIME database */
+ mime_type_t *src, /* I - Source file type */
+ size_t srcsize, /* I - Size of source file */
+ mime_type_t *dst, /* I - Destination file type */
+ int *cost, /* O - Cost of filters */
+ _mime_typelist_t *list) /* I - Source types we've used */
{
int tempcost, /* Temporary cost */
mincost; /* Current minimum */
*listptr; /* Pointer in list */
- DEBUG_printf(("2find_filters(mime=%p, src=%p(%s/%s), srcsize=" CUPS_LLFMT
+ DEBUG_printf(("2mime_find_filters(mime=%p, src=%p(%s/%s), srcsize=" CUPS_LLFMT
", dst=%p(%s/%s), cost=%p, list=%p)", mime, src, src->super,
src->type, CUPS_LLCAST srcsize, dst, dst->super, dst->type,
cost, list));
* Got a direct filter!
*/
- DEBUG_puts("2find_filters: Direct filter found!");
+ DEBUG_puts("3mime_find_filters: Direct filter found.");
if ((mintemp = cupsArrayNew(NULL, NULL)) == NULL)
+ {
+ DEBUG_puts("3mime_find_filters: Returning NULL (out of memory).");
return (NULL);
+ }
cupsArrayAdd(mintemp, current);
mincost = current->cost;
if (!cost)
+ {
+ DEBUG_printf(("3mime_find_filters: Returning 1 filter, cost %d:",
+ mincost));
+ DEBUG_printf(("3mime_find_filters: %s/%s %s/%s %d %s",
+ current->src->super, current->src->type,
+ current->dst->super, current->dst->type,
+ current->cost, current->filter));
return (mintemp);
-
- DEBUG_puts("2find_filters: Found direct filter:");
- DEBUG_printf(("2find_filters: %s (cost=%d)", current->filter, mincost));
+ }
}
else
{
listnode.src = current->src;
cupsArraySave(mime->srcs);
- temp = find_filters(mime, current->dst, srcsize, dst, &tempcost, &listnode);
+ temp = mime_find_filters(mime, current->dst, srcsize, dst, &tempcost,
+ &listnode);
cupsArrayRestore(mime->srcs);
if (!temp)
continue;
if (!cost)
+ {
+ DEBUG_printf(("3mime_find_filters: Returning %d filter(s), cost %d:",
+ cupsArrayCount(temp), tempcost));
+
+#ifdef DEBUG
+ for (current = (mime_filter_t *)cupsArrayFirst(temp);
+ current;
+ current = (mime_filter_t *)cupsArrayNext(temp))
+ DEBUG_printf(("3mime_find_filters: %s/%s %s/%s %d %s",
+ current->src->super, current->src->type,
+ current->dst->super, current->dst->type,
+ current->cost, current->filter));
+#endif /* DEBUG */
+
return (temp);
+ }
/*
* Found a match; see if this one is less costly than the last (if
* Hey, we got a match!
*/
-#ifdef DEBUG
- DEBUG_printf(("find_filters: Returning %d filters:\n",
- cupsArrayCount(mintemp)));
+ DEBUG_printf(("3mime_find_filters: Returning %d filter(s), cost %d:",
+ cupsArrayCount(mintemp), mincost));
+#ifdef DEBUG
for (current = (mime_filter_t *)cupsArrayFirst(mintemp);
current;
current = (mime_filter_t *)cupsArrayNext(mintemp))
- DEBUG_printf(("find_filters: %s\n", current->filter));
+ DEBUG_printf(("3mime_find_filters: %s/%s %s/%s %d %s",
+ current->src->super, current->src->type,
+ current->dst->super, current->dst->type,
+ current->cost, current->filter));
#endif /* DEBUG */
if (cost)
return (mintemp);
}
- DEBUG_puts("find_filters: Returning zippo...");
+ DEBUG_puts("3mime_find_filters: Returning NULL (no matches).");
return (NULL);
}
-
-
-/*
- * End of "$Id: filter.c 7694 2008-06-26 00:23:20Z mike $".
- */
projects / thirdparty / cups.git / blobdiff