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#include "mupdf/fitz.h"
#include "mupdf/pdf.h"
#include <assert.h>
static int
pdf_make_hash_key(fz_context *ctx, fz_store_hash *hash, void *key_)
{
pdf_obj *key = (pdf_obj *)key_;
if (!pdf_is_indirect(ctx, key))
return 0;
hash->u.pi.i = pdf_to_num(ctx, key);
hash->u.pi.ptr = pdf_get_indirect_document(ctx, key);
return 1;
}
static void *
pdf_keep_key(fz_context *ctx, void *key)
{
return (void *)pdf_keep_obj(ctx, (pdf_obj *)key);
}
static void
pdf_drop_key(fz_context *ctx, void *key)
{
pdf_drop_obj(ctx, (pdf_obj *)key);
}
static int
pdf_cmp_key(fz_context *ctx, void *k0, void *k1)
{
return pdf_objcmp(ctx, (pdf_obj *)k0, (pdf_obj *)k1);
}
static void
pdf_format_key(fz_context *ctx, char *s, int n, void *key_)
{
pdf_obj *key = (pdf_obj *)key_;
if (pdf_is_indirect(ctx, key))
fz_snprintf(s, n, "(%d 0 R)", pdf_to_num(ctx, key));
else
pdf_sprint_obj(ctx, s, n, key, 1);
}
static const fz_store_type pdf_obj_store_type =
{
pdf_make_hash_key,
pdf_keep_key,
pdf_drop_key,
pdf_cmp_key,
pdf_format_key,
NULL
};
void
pdf_store_item(fz_context *ctx, pdf_obj *key, void *val, size_t itemsize)
{
void *existing;
assert(pdf_is_name(ctx, key) || pdf_is_array(ctx, key) || pdf_is_dict(ctx, key) || pdf_is_indirect(ctx, key));
existing = fz_store_item(ctx, key, val, itemsize, &pdf_obj_store_type);
assert(existing == NULL);
(void)existing; /* Silence warning in release builds */
}
void *
pdf_find_item(fz_context *ctx, fz_store_drop_fn *drop, pdf_obj *key)
{
return fz_find_item(ctx, drop, key, &pdf_obj_store_type);
}
void
pdf_remove_item(fz_context *ctx, fz_store_drop_fn *drop, pdf_obj *key)
{
fz_remove_item(ctx, drop, key, &pdf_obj_store_type);
}
static int
pdf_filter_store(fz_context *ctx, void *doc_, void *key)
{
pdf_document *doc = (pdf_document *)doc_;
pdf_obj *obj = (pdf_obj *)key;
pdf_document *key_doc = pdf_get_bound_document(ctx, obj);
return (doc == key_doc);
}
void
pdf_empty_store(fz_context *ctx, pdf_document *doc)
{
fz_filter_store(ctx, pdf_filter_store, doc, &pdf_obj_store_type);
}
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