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use super::tokenizer::{tokenize, BenToken, BenTokenIndex};
use super::items::BenItem;

pub struct BenParser {
    token_buf: Vec<BenToken>,
    indices: Vec<BenTokenIndex>
}

impl BenParser {
    pub fn new() -> BenParser {
        BenParser { token_buf: Vec::new(), indices: Vec::new() }
    }

    pub fn parse<'a>(&'a mut self, bytes: &'a [u8]) -> BenItem<'a> {
        self.token_buf.clear();
        self.indices.clear();
        if tokenize(bytes, &mut self.token_buf, &mut self.indices) {
            BenItem::new(&self.token_buf, bytes, 0)
        } else {
            BenItem::Error
        }
    }
}