#!/usr/bin/env node

// A “pathological inflating” transform as described in Node’s stream.Transform
// implementation, where every byte of input is interpreted as an integer
// between 0 and 255, and results in that many bytes of output.
//
// [1] https://github.com/joyent/node/blob/v0.10.29/lib/_stream_transform.js#L52-L63

var rw = require("../");

var writer = rw.fileWriter("/dev/stdout"),
    reader = rw.fileReader(process.argv[2] || "/dev/stdin"),
    zero = "0".charCodeAt(0);

reader.fill(function flow(error) {
  if (error) throw error;
  var input;

  while ((input = reader.read(1)) != null) {
    var output = new Buffer(input[0]);
    output.fill(zero);
    if (!writer.write(output)) return writer.drain(flow);
  }

  if (reader.ended) return writer.end();
  reader.fill(flow);
});