define(function(require, exports, module) {

// Parses a CLI instruction line and returns an array of its arguments, respecting

// quotes and special cases.

module.exports = function(lineBuffer) {

var argv = [];

var cursor = 0;

var currentQuote = "";

var inSpace = false;

var len = lineBuffer.length;

for (var i=0; i<len; i++) {

var ch = lineBuffer.charAt(i);

if (!argv[cursor])

argv[cursor] = "";

if (/["'`]/.test(ch)) {

if (currentQuote.length) {

if (currentQuote === ch)

currentQuote = "";

else {

argv[cursor] += ch;

}

}

else {

currentQuote = ch;

}

inSpace = false;

}

else if (/\s/.test(ch)) {

if (currentQuote.length) {

inSpace = false;

argv[cursor] += ch;

}

else if (!inSpace) {

inSpace = true;

cursor += 1;

}

}

else {

inSpace = false;

argv[cursor] += ch;

}

}

if (argv[argv.length - 1] === "")

argv.pop();

return argv;

};

});