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#include "fitz-internal.h"
void
fz_free_link_dest(fz_context *ctx, fz_link_dest *dest)
{
switch(dest->kind)
{
case FZ_LINK_NONE:
case FZ_LINK_GOTO:
break;
case FZ_LINK_URI:
fz_free(ctx, dest->ld.uri.uri);
break;
case FZ_LINK_LAUNCH:
fz_free(ctx, dest->ld.launch.file_spec);
break;
case FZ_LINK_NAMED:
fz_free(ctx, dest->ld.named.named);
break;
case FZ_LINK_GOTOR:
fz_free(ctx, dest->ld.gotor.file_spec);
break;
}
}
fz_link *
fz_new_link(fz_context *ctx, const fz_rect *bbox, fz_link_dest dest)
{
fz_link *link;
fz_try(ctx)
{
link = fz_malloc_struct(ctx, fz_link);
link->refs = 1;
}
fz_catch(ctx)
{
fz_free_link_dest(ctx, &dest);
fz_rethrow(ctx);
}
link->dest = dest;
link->rect = *bbox;
link->next = NULL;
return link;
}
fz_link *
fz_keep_link(fz_context *ctx, fz_link *link)
{
if (link)
link->refs++;
return link;
}
void
fz_drop_link(fz_context *ctx, fz_link *link)
{
while (link && --link->refs == 0)
{
fz_link *next = link->next;
fz_free_link_dest(ctx, &link->dest);
fz_free(ctx, link);
link = next;
}
}
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