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// Copyright (C) 2021-2022 Soni L.
// SPDX-License-Identifier: MIT OR Apache-2.0
use std::borrow::Borrow;
use std::collections::BTreeMap;
use serde::Deserialize;
use serde::Deserializer;
use serde::Serialize;
use crate::Predicate;
use crate::errors::PatternError;
use crate::parser::parse;
//use crate::vm::Matcher;
use crate::vm::PatternConstants;
//use crate::vm::MAX_CALLS;
pub struct Pattern<O: Serialize> {
consts: PatternConstants<O>,
}
impl<O: Serialize> Pattern<O> {
/// Compiles the input into a pattern.
pub fn compile<'s, PKey, OKey>(
input: &'s str,
preds: Option<BTreeMap<PKey, Box<Predicate>>>,
objs: Option<BTreeMap<OKey, O>>
) -> Result<Self, PatternError<'s>>
where
PKey: Borrow<str> + Ord,
OKey: Borrow<str> + Ord,
{
Ok(Self {
consts: parse(input, preds, objs)?
})
}
/// Matches the pattern against an input.
pub fn deserialize<'de, Der, De>(&self, de: Der) -> Result<De, Der::Error>
where
Der: Deserializer<'de>,
De: Deserialize<'de>,
{
todo!()
}
}
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