rulemorph 0.3.4

YAML-based declarative data transformation engine for CSV/JSON to JSON
Documentation 
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pub(crate) fn is_xml_name(value: &str) -> bool {
    let mut chars = value.chars();
    let Some(first) = chars.next() else {
        return false;
    };
    is_xml_name_start_char(first) && chars.all(is_xml_name_char)
}

fn is_xml_name_start_char(value: char) -> bool {
    matches!(
        value,
        ':'
            | 'A'..='Z'
            | '_'
            | 'a'..='z'
            | '\u{C0}'..='\u{D6}'
            | '\u{D8}'..='\u{F6}'
            | '\u{F8}'..='\u{2FF}'
            | '\u{370}'..='\u{37D}'
            | '\u{37F}'..='\u{1FFF}'
            | '\u{200C}'..='\u{200D}'
            | '\u{2070}'..='\u{218F}'
            | '\u{2C00}'..='\u{2FEF}'
            | '\u{3001}'..='\u{D7FF}'
            | '\u{F900}'..='\u{FDCF}'
            | '\u{FDF0}'..='\u{FFFD}'
            | '\u{10000}'..='\u{EFFFF}'
    )
}

fn is_xml_name_char(value: char) -> bool {
    is_xml_name_start_char(value)
        || matches!(
            value,
            '-' | '.' | '0'..='9' | '\u{B7}' | '\u{300}'..='\u{36F}' | '\u{203F}'..='\u{2040}'
        )
}