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extern crate from_regex_macros;
pub use from_regex_macros::*;
pub use lazy_static::lazy_static;
pub use regex::{self, Captures, Regex};
pub use segmap::{self, SegmentMap};
pub use std::str::FromStr;
pub trait FromRegex: Sized {
fn from_regex(s: &str) -> Option<Self>;
fn matches(s: &str) -> Vec<Self> {
Self::match_locations(s)
.into_iter()
.map(|(_, v)| v)
.collect()
}
fn match_locations(s: &str) -> SegmentMap<usize, Self>;
}
pub trait TextMap<V> {
fn merge_only_longest<I: IntoIterator<Item = (segmap::Segment<usize>, V)>>(&mut self, other: I);
}
impl<V: Clone + Eq> TextMap<V> for SegmentMap<usize, V> {
fn merge_only_longest<I: IntoIterator<Item = (segmap::Segment<usize>, V)>>(
&mut self,
other: I,
) {
for (range, value) in other {
if let Some(value) = self.insert_if_empty(range, value) {
let to_remove =
if let (Some(start), Some(end)) = (range.start_value(), range.end_value()) {
let len = end - start;
let before = self.get_range_value(start).map(|(r, _)| r);
let larger_than_before = if let Some(before) = before {
before
.start_value()
.zip(before.end_value())
.map(|(a, b)| len > (b - a))
.unwrap_or_default()
} else {
true
};
let after = self.get_range_value(end).map(|(r, _)| r);
let larger_than_after = if let Some(after) = after {
after
.start_value()
.zip(after.end_value())
.map(|(a, b)| len > (b - a))
.unwrap_or_default()
} else {
true
};
if larger_than_before && larger_than_after {
Some((before.cloned(), after.cloned()))
} else {
None
}
} else {
None
};
if let Some((before, after)) = to_remove {
if let Some(before) = before {
self.clear_range(before);
}
if let Some(after) = after {
self.clear_range(after);
}
self.set(range, value);
}
}
}
}
}
#[cfg(test)]
mod tests;