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use range::Range;
use {
MetaData,
};
pub struct Tokenizer {
pub tokens: Vec<(Range, MetaData)>
}
impl Tokenizer {
pub fn new() -> Tokenizer {
Tokenizer { tokens: vec![] }
}
pub fn data(&mut self, data: MetaData, state: &TokenizerState, range: Range)
-> TokenizerState
{
if state.0 < self.tokens.len() {
self.tokens.truncate(state.0);
}
self.tokens.push((range, data));
TokenizerState(self.tokens.len())
}
}
#[derive(Copy, Clone, Debug, PartialOrd, Ord, PartialEq, Eq)]
pub struct TokenizerState(pub usize);
impl TokenizerState {
pub fn new() -> TokenizerState { TokenizerState(0) }
}