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#include "fitz.h"
#include "mupdf.h"
static fz_outline *
pdf_load_outline_imp(pdf_xref *xref, fz_obj *dict)
{
fz_context *ctx = xref->ctx;
fz_outline *node, **prev, *first;
fz_obj *obj;
if (fz_is_null(dict))
return NULL;
first = NULL;
prev = &first;
while (dict)
{
node = fz_malloc_struct(ctx, fz_outline);
node->ctx = ctx;
node->title = NULL;
node->dest.kind = FZ_LINK_NONE;
node->down = NULL;
node->next = NULL;
*prev = node;
prev = &node->next;
obj = fz_dict_gets(dict, "Title");
if (obj)
node->title = pdf_to_utf8(ctx, obj);
if ((obj = fz_dict_gets(dict, "Dest")))
node->dest = pdf_parse_link_dest(xref, obj);
else if ((obj = fz_dict_gets(dict, "A")))
node->dest = pdf_parse_action(xref, obj);
obj = fz_dict_gets(dict, "First");
if (obj)
node->down = pdf_load_outline_imp(xref, obj);
dict = fz_dict_gets(dict, "Next");
}
return first;
}
fz_outline *
pdf_load_outline(pdf_xref *xref)
{
fz_obj *root, *obj, *first;
root = fz_dict_gets(xref->trailer, "Root");
obj = fz_dict_gets(root, "Outlines");
first = fz_dict_gets(obj, "First");
if (first)
return pdf_load_outline_imp(xref, first);
return NULL;
}
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