54 lines
1.5 KiB
Rust
54 lines
1.5 KiB
Rust
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use regex::Regex;
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pub fn split_into_key_value(s: String) -> Option<(String, String)> {
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let r = "^(?P<KEY>(.*))=((\"(?P<DOUBLE_QVAL>(.*))\")|(\'(?P<SINGLE_QVAL>(.*)))\'|(?P<VAL>[^\'\"](.*)[^\'\"]))$";
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let regex = Regex::new(r).unwrap();
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regex.captures(&s[..]).and_then(|cap| {
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cap.name("KEY")
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.map(|name| {
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cap.name("SINGLE_QVAL")
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.or(cap.name("DOUBLE_QVAL"))
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.or(cap.name("VAL"))
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.map(|value| (String::from(name), String::from(value)))
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}).unwrap_or(None)
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})
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}
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#[cfg(test)]
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mod test {
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use super::split_into_key_value;
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#[test]
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fn test_single_quoted() {
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let s = String::from("foo='bar'");
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assert_eq!(Some((String::from("foo"), String::from("bar"))), split_into_key_value(s));
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}
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#[test]
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fn test_double_quoted() {
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let s = String::from("foo=\"bar\"");
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assert_eq!(Some((String::from("foo"), String::from("bar"))), split_into_key_value(s));
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}
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#[test]
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fn test_double_and_single_quoted() {
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let s = String::from("foo=\"bar\'");
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assert!(split_into_key_value(s).is_none());
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}
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#[test]
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fn test_single_and_double_quoted() {
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let s = String::from("foo=\'bar\"");
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assert!(split_into_key_value(s).is_none());
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}
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#[test]
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fn test_not_quoted() {
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let s = String::from("foo=bar");
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assert_eq!(Some((String::from("foo"), String::from("bar"))), split_into_key_value(s));
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}
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}
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