src/lowlevel/macros.rs


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use anyhow::anyhow;

#[macro_export]
macro_rules! parse_property_test {
    ($type:ident, $input:expr, $expected_output:expr) => {{
        let doc = roxmltree::Document::parse($input).unwrap();
        let elem = doc.root_element();
        assert_eq!($type::from_xml(elem).unwrap(), $expected_output);
    }};
}

#[macro_export]
macro_rules! get_attribute {
    ($node:expr, $attribute_name:expr) => {{
        let node: &roxmltree::Node = &$node;
        let attribute_name: &str = $attribute_name;
        node.attribute(attribute_name)
            .ok_or(anyhow!("{} attribute missing", attribute_name))
    }};
}

#[macro_export]
macro_rules! ensure_element {
    ($node:expr) => {
        if $node.node_type() != roxmltree::NodeType::Element {
            return Err(anyhow!("xml -> node is not an element"));
        }
    };
}

#[macro_export]
macro_rules! ensure_tag_name {
    ($node:expr, $tag_name:expr) => {
        if !$node.has_tag_name($tag_name) {
            return Err(anyhow!("xml -> node is not an '{}' element ", $tag_name));
        }
    };
}