28 lines
892 B
Rust
28 lines
892 B
Rust
fn class_is_a(class: &str, superclass: &str) -> bool {
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if class==superclass {
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return true
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}
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let class_descriptor=rbx_reflection_database::get().classes.get(class);
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if let Some(descriptor) = &class_descriptor {
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if let Some(class_super) = &descriptor.superclass {
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return class_is_a(&class_super, superclass)
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}
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}
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return false
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}
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pub fn get_objects<R: std::io::Read>(buf_thing: R, superclass: &str) -> Result<std::vec::Vec<rbx_dom_weak::Instance>, Box<dyn std::error::Error>> {
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// Using buffered I/O is recommended with rbx_binary
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let dom = rbx_binary::from_reader(buf_thing)?;
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let mut objects = std::vec::Vec::<rbx_dom_weak::Instance>::new();
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//move matching instances into objects
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let (_,mut instances) = dom.into_raw();
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for (_,instance) in instances.drain() {
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if class_is_a(instance.class.as_str(), superclass) {
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objects.push(instance);
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}
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}
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return Ok(objects)
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}
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