void DWGimpl::output_BLOCK_HEADER(dwg_object_ref* ref) {
dwg_object* obj, *variable_obj;
dwg_obj_block_header* hdr;
int error;
unsigned long abs_ref;
obj = dwg_obj_reference_get_object(ref, &error);
abs_ref = dwg_obj_ref_get_abs_ref(ref, &error);
if (!ref) {
fprintf(stderr, "Found null object reference. Could not output an SVG symbol for this BLOCK_HEADER\n");
return;
}
if (!obj) {
fprintf(stderr, "Found null ref->obj\n");
return;
}
/* TODO: Review. (This check avoids a segfault, but it is
still unclear whether or not the condition is valid.) */
if (!dwg_object_to_object(obj, &error)) {
fprintf(stderr, "Found null ref->obj->tio.object\n");
return;
}
// hdr = dwg_object_to_BLOCK_HEADER(obj);
hdr = obj->tio.object->tio.BLOCK_HEADER;
variable_obj = get_first_owned_object(obj, hdr);
while (variable_obj) {
OutputObject(variable_obj);
variable_obj = get_next_owned_object(obj, variable_obj, hdr);
}
}
void output_BLOCK_HEADER(Dwg_Object_Ref* ref)
{
Dwg_Object* obj;
Dwg_Object_BLOCK_HEADER* hdr;
if (!ref)
{
fprintf(stderr, "Found null object reference. Could not output an SVG symbol for this BLOCK_HEADER\n");
return;
}
if (!ref->obj)
{
fprintf(stderr, "Found null ref->obj\n");
return;
}
/* TODO: Review. (This check avoids a segfault, but it is
still unclear whether or not the condition is valid.) */
if (!ref->obj->tio.object)
{
fprintf(stderr, "Found null ref->obj->tio.object\n");
return;
}
hdr = ref->obj->tio.object->tio.BLOCK_HEADER;
printf(
"\t<g id=\"symbol-%lu\" >\n\t\t<!-- %s -->\n", ref->absolute_ref, hdr->entry_name);
obj = get_first_owned_object(ref->obj, hdr);
while(obj)
{
output_object(obj);
obj = get_next_owned_object(ref->obj, obj, hdr);
}
printf("\t</g>\n");
}
