use Result;
use block::Block;
use binread::{BinRead, BinReadable};

#[derive(Debug)]
pub struct Pool {
    pub data: Vec<i32>
}

impl Pool {
    pub fn new(mut block: Block) -> Result<Pool> {
        let cap = block.len() / 4;
        let mut vec = Vec::with_capacity(cap);
        while block.has_i32() {
            vec.push(block.read_i32()?);
        }
        Ok(Pool {
            data: vec
        })
    }

    pub fn get(&self, index: usize) -> Result<i32> {
        if index >= self.data.len() {
            return Err("No such constant")
        }
        Ok(self.data[index])
    }
}