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use std::collections::HashMap; use std::fmt; use std::hash::{Hash, Hasher}; use crate::extn::core::regexp::{Config, Encoding, Source}; use crate::extn::prelude::*; pub mod lazy; #[cfg(feature = "core-regexp-oniguruma")] pub mod onig; pub mod regex; pub type NilableString = Option<Vec<u8>>; pub type NameToCaptureLocations = Vec<(Vec<u8>, Vec<usize>)>; #[derive(Debug, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)] pub enum Scan { Collected(Vec<Vec<Option<Vec<u8>>>>), Patterns(Vec<Vec<u8>>), Haystack, } impl TryConvertMut<Scan, Option<Value>> for Artichoke { type Error = Error; fn try_convert_mut(&mut self, from: Scan) -> Result<Option<Value>, Self::Error> { match from { Scan::Collected(collected) => { let ary = self.try_convert_mut(collected)?; Ok(Some(ary)) } Scan::Patterns(patterns) => { let ary = self.try_convert_mut(patterns)?; Ok(Some(ary)) } Scan::Haystack => Ok(None), } } } pub trait RegexpType { fn box_clone(&self) -> Box<dyn RegexpType>; fn debug(&self) -> String; fn source(&self) -> &Source; fn config(&self) -> &Config; fn encoding(&self) -> &Encoding; fn inspect(&self) -> Vec<u8>; fn string(&self) -> &[u8]; fn captures(&self, haystack: &[u8]) -> Result<Option<Vec<NilableString>>, Error>; fn capture_indexes_for_name(&self, name: &[u8]) -> Result<Option<Vec<usize>>, Error>; fn captures_len(&self, haystack: Option<&[u8]>) -> Result<usize, Error>; fn capture0<'a>(&self, haystack: &'a [u8]) -> Result<Option<&'a [u8]>, Error>; fn case_match(&self, interp: &mut Artichoke, haystack: &[u8]) -> Result<bool, Error>; fn is_match(&self, haystack: &[u8], pos: Option<Int>) -> Result<bool, Error>; fn match_( &self, interp: &mut Artichoke, haystack: &[u8], pos: Option<Int>, block: Option<Block>, ) -> Result<Value, Error>; fn match_operator(&self, interp: &mut Artichoke, haystack: &[u8]) -> Result<Option<usize>, Error>; fn named_captures(&self) -> Result<NameToCaptureLocations, Error>; fn named_captures_for_haystack(&self, haystack: &[u8]) -> Result<Option<HashMap<Vec<u8>, NilableString>>, Error>; fn names(&self) -> Vec<Vec<u8>>; fn pos(&self, haystack: &[u8], at: usize) -> Result<Option<(usize, usize)>, Error>; fn scan(&self, interp: &mut Artichoke, haystack: &[u8], block: Option<Block>) -> Result<Scan, Error>; } impl Clone for Box<dyn RegexpType> { #[inline] fn clone(&self) -> Self { self.box_clone() } } impl fmt::Debug for Box<dyn RegexpType> { #[inline] fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::Debug::fmt(&self.as_ref(), f) } } impl Hash for Box<dyn RegexpType> { #[inline] fn hash<H: Hasher>(&self, state: &mut H) { Hash::hash(&self.as_ref(), state) } } impl PartialEq for Box<dyn RegexpType> { #[inline] fn eq(&self, other: &Self) -> bool { PartialEq::eq(&self.as_ref(), &other.as_ref()) } } impl Eq for Box<dyn RegexpType> {} impl fmt::Debug for &dyn RegexpType { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.write_str(&self.debug()) } } impl Hash for &dyn RegexpType { fn hash<H: Hasher>(&self, state: &mut H) { self.source().hash(state); } } impl PartialEq for &dyn RegexpType { fn eq(&self, other: &Self) -> bool { self.config().pattern() == other.config().pattern() && self.encoding() == other.encoding() } } impl Eq for &dyn RegexpType {} impl fmt::Debug for &mut dyn RegexpType { #[inline] fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::Debug::fmt(&&*self, f) } } impl Hash for &mut dyn RegexpType { #[inline] fn hash<H: Hasher>(&self, state: &mut H) { Hash::hash(&&*self, state); } } impl PartialEq for &mut dyn RegexpType { #[inline] fn eq(&self, other: &Self) -> bool { PartialEq::eq(&&*self, &&*other) } } impl Eq for &mut dyn RegexpType {}