sophia_api/prefix/
_regex.rs

1//! Traits and wrapper for Turtle/SPARQL prefixes.
2use regex::Regex;
3
4lazy_static::lazy_static! {
5    /// Match an absolute IRI reference.
6    pub(crate) static ref PN_PREFIX: Regex = Regex::new(r"(?x)^
7        # PN_CHAR_BASE
8        [A-Za-z\u{00C0}-\u{00D6}\u{00D8}-\u{00F6}\u{00F8}-\u{02FF}\u{0370}-\u{037D}\u{037F}-\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}]
9        (
10            # [ PN_CHARS | '.' ]*
11            [A-Za-z\u{00C0}-\u{00D6}\u{00D8}-\u{00F6}\u{00F8}-\u{02FF}\u{0370}-\u{037D}\u{037F}-\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}_0-9\u{00B7}\u{0300}-\u{036F}\u{203F}-\u{2040}.-]*
12            # PN_CHARS
13            [A-Za-z\u{00C0}-\u{00D6}\u{00D8}-\u{00F6}\u{00F8}-\u{02FF}\u{0370}-\u{037D}\u{037F}-\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}_0-9\u{00B7}\u{0300}-\u{036F}\u{203F}-\u{2040}-]
14        )?
15    $").unwrap();
16}
17
18/// Check whether a `str` is a valid Turtle/SPARQL prefix (matches ON_PREFIX)
19pub fn is_valid_prefix(txt: &str) -> bool {
20    txt.is_empty() || PN_PREFIX.is_match(txt)
21}
sophia_api/prefix/_regex.rs

sophia_api/prefix/
_regex.rs
