static void
xps_parse_metadata(fz_context *ctx, xps_document *doc, xps_part *part, xps_fixdoc *fixdoc)
{
fz_xml *root;
char buf[1024];
char *s;
/* Save directory name part */
fz_strlcpy(buf, part->name, sizeof buf);
s = strrchr(buf, '/');
if (s)
s[0] = 0;
/* _rels parts are voodoo: their URI references are from
* the part they are associated with, not the actual _rels
* part being parsed.
*/
s = strstr(buf, "/_rels");
if (s)
*s = 0;
doc->base_uri = buf;
doc->part_uri = part->name;
root = fz_parse_xml(ctx, part->data, part->size, 0);
xps_parse_metadata_imp(ctx, doc, root, fixdoc);
fz_drop_xml(ctx, root);
doc->base_uri = NULL;
doc->part_uri = NULL;
}
static void
xps_parse_metadata_imp(fz_context *ctx, xps_document *doc, fz_xml *item, xps_fixdoc *fixdoc)
{
while (item)
{
if (fz_xml_is_tag(item, "Relationship"))
{
char *target = fz_xml_att(item, "Target");
char *type = fz_xml_att(item, "Type");
if (target && type)
{
char tgtbuf[1024];
xps_resolve_url(ctx, doc, tgtbuf, doc->base_uri, target, sizeof tgtbuf);
if (!strcmp(type, REL_START_PART) || !strcmp(type, REL_START_PART_OXPS))
doc->start_part = fz_strdup(ctx, tgtbuf);
if ((!strcmp(type, REL_DOC_STRUCTURE) || !strcmp(type, REL_DOC_STRUCTURE_OXPS)) && fixdoc)
fixdoc->outline = fz_strdup(ctx, tgtbuf);
if (!fz_xml_att(item, "Id"))
fz_warn(ctx, "missing relationship id for %s", target);
}
}
if (fz_xml_is_tag(item, "DocumentReference"))
{
char *source = fz_xml_att(item, "Source");
if (source)
{
char srcbuf[1024];
xps_resolve_url(ctx, doc, srcbuf, doc->base_uri, source, sizeof srcbuf);
xps_add_fixed_document(ctx, doc, srcbuf);
}
}
if (fz_xml_is_tag(item, "PageContent"))
{
char *source = fz_xml_att(item, "Source");
char *width_att = fz_xml_att(item, "Width");
char *height_att = fz_xml_att(item, "Height");
int width = width_att ? atoi(width_att) : 0;
int height = height_att ? atoi(height_att) : 0;
if (source)
{
char srcbuf[1024];
xps_resolve_url(ctx, doc, srcbuf, doc->base_uri, source, sizeof srcbuf);
xps_add_fixed_page(ctx, doc, srcbuf, width, height);
}
}
if (fz_xml_is_tag(item, "LinkTarget"))
{
char *name = fz_xml_att(item, "Name");
if (name)
xps_add_link_target(ctx, doc, name);
}
xps_parse_metadata_imp(ctx, doc, fz_xml_down(item), fixdoc);
item = fz_xml_next(item);
}
}
static void
xps_parse_metadata_imp(xps_context *ctx, xml_element *item)
{
while (item)
{
xps_parse_metadata_imp(ctx, xml_down(item));
if (!strcmp(xml_tag(item), "Relationship"))
{
char *target = xml_att(item, "Target");
char *type = xml_att(item, "Type");
if (target && type)
{
char tgtbuf[1024];
xps_absolute_path(tgtbuf, ctx->base_uri, target, sizeof tgtbuf);
if (!strcmp(type, REL_START_PART))
ctx->start_part = fz_strdup(tgtbuf);
}
}
if (!strcmp(xml_tag(item), "DocumentReference"))
{
char *source = xml_att(item, "Source");
if (source)
{
char srcbuf[1024];
xps_absolute_path(srcbuf, ctx->base_uri, source, sizeof srcbuf);
xps_add_fixed_document(ctx, srcbuf);
}
}
if (!strcmp(xml_tag(item), "PageContent"))
{
char *source = xml_att(item, "Source");
char *width_att = xml_att(item, "Width");
char *height_att = xml_att(item, "Height");
int width = width_att ? atoi(width_att) : 0;
int height = height_att ? atoi(height_att) : 0;
if (source)
{
char srcbuf[1024];
xps_absolute_path(srcbuf, ctx->base_uri, source, sizeof srcbuf);
xps_add_fixed_page(ctx, srcbuf, width, height);
}
}
item = xml_next(item);
}
}
static int
xps_parse_metadata(xps_context *ctx, xps_part *part)
{
xml_element *root;
char buf[1024];
char *s;
/* Save directory name part */
fz_strlcpy(buf, part->name, sizeof buf);
s = strrchr(buf, '/');
if (s)
s[0] = 0;
/* _rels parts are voodoo: their URI references are from
* the part they are associated with, not the actual _rels
* part being parsed.
*/
s = strstr(buf, "/_rels");
if (s)
*s = 0;
ctx->base_uri = buf;
ctx->part_uri = part->name;
root = xml_parse_document(part->data, part->size);
if (!root)
return fz_rethrow(-1, "cannot parse metadata part '%s'", part->name);
xps_parse_metadata_imp(ctx, root);
xml_free_element(root);
ctx->base_uri = NULL;
ctx->part_uri = NULL;
return fz_okay;
}
