p101_enc 0.11.0

Library to convert Olivetti P101 program to and from different encodings
Documentation 
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mod annotator;
pub use annotator::*;

use p101_is::instruction::*;
use crate::encoding::*;

pub struct Encoder<E: Encoding, A: Annotator> {
    encoding: E,
    annotator: A
}

impl<E, A> Encoder<E, A> where E: Encoding + Default, A: Annotator + Default {
    const DEFAULT_SEPARATOR: &'static str = "#";

    pub fn new() -> Self {
        Encoder {
            encoding: Default::default(),
            annotator: Default::default()
        }
    }

    pub fn encode(&self, _program: &Vec<Instruction>) -> String {
        let mut text = String::new();

        for i in _program.iter() {
            text += &self.encode_instruction(i);
        }

        text
    }

    fn encode_instruction(&self, i: &Instruction) -> String {
        let code = self.encoding.encode(i);

        let comment = self.annotator.comment(i);

        if comment.is_empty() {
            code + "\n"
        } else {
            format!("{} {} {}\n", code, Self::DEFAULT_SEPARATOR, &comment)
        }
    }
}

impl<E, A> Default for Encoder<E, A> where E: Encoding + Default, A: Annotator + Default {
    fn default() -> Self {
        Self::new()
    }
}