void
lo_DestroyScriptData(void *arg)
{
ScriptData *data = arg;
if (data == NULL)
return;
XP_FREEIF(data->url);
XP_FREEIF(data->archiveSrc);
XP_FREEIF(data->id);
XP_FREEIF(data->codebase);
XP_FREEIF(data->buffer);
if (data->tag)
PA_FreeTag(data->tag);
XP_FREE(data);
}
lo_ObjectStack*
lo_PushObject(MWContext* context, lo_DocState* state, PA_Tag* tag)
{
/*
* If possible, reuse an object stack entry created in
* a previous pass over this tag (i.e. while blocked, by
* lo_BlockObjectTag). If there's no previously-created
* object, make a new one.
*/
lo_TopState* top_state = state->top_state;
lo_ObjectStack* new_top = top_state->object_cache;
if (new_top != NULL)
{
/* Find and remove the matching item, if any */
if (new_top->real_tag == tag)
top_state->object_cache = new_top->next;
else
{
while (new_top->next != NULL)
{
if (new_top->next->real_tag == tag)
{
lo_ObjectStack* temp = new_top->next;
new_top->next = new_top->next->next;
new_top = temp;
break;
}
new_top = new_top->next;
}
}
}
if (new_top == NULL || new_top->real_tag != tag)
{
new_top = XP_NEW_ZAP(lo_ObjectStack);
if (new_top == NULL)
{
state->top_state->out_of_memory = TRUE;
return NULL;
}
}
new_top->next = top_state->object_stack;
top_state->object_stack = new_top;
new_top->context = context;
new_top->state = state;
/*
* Clone the tag since the tag passed in may be freed
* by the parser before we're ready for it.
*/
if (new_top->real_tag != tag)
{
new_top->real_tag = tag;
if (new_top->clone_tag != NULL)
PA_FreeTag(new_top->clone_tag);
new_top->clone_tag = XP_NEW(PA_Tag);
if (new_top->clone_tag != NULL)
{
XP_MEMCPY(new_top->clone_tag, tag, sizeof(PA_Tag));
new_top->clone_tag->data = PA_ALLOC((tag->data_len + 1) * sizeof (char));
if (new_top->clone_tag->data != NULL)
{
char* source;
char* dest;
PA_LOCK(source, char*, tag->data);
PA_LOCK(dest, char*, new_top->clone_tag->data);
XP_MEMCPY(dest, source, tag->data_len + 1);
PA_UNLOCK(dest);
PA_UNLOCK(source);
}
