Initial parse command for Narwhal

ParseCommandLineArguments.js

function parseArguments(arguments)
{
  var startsWith = function(self, str) { return (self.match("^"+str.replace('\\', '\\\\'))==str) }
  var endsWith = function(self, str) { return (self.match(str.replace('\\', '\\\\')+"$")==str) }
  var results = [], quoteType = null, quotedElement = null;
  arguments.split(' ').forEach(function(element) {
    if (quoteType || endsWith(element, '\\') || startsWith(element, '\'') || startsWith(element, '"')) {
      if (quoteType) {
        if (endsWith(element, quoteType)) {
          results.push(quotedElement + " " + element.substring(0, element.length - 1));
          quotedElement = null;
          quoteType = null;
          return;
        }
        else { quotedElement += " " + element; return; }
      }
      if (!quoteType && startsWith(element, '\'')) {
        quoteType = '\'';
        quotedElement = element.substring(1, element.length);
        return;
      }
      if (!quoteType && startsWith(element, '"')) {
        quoteType = '"';
        quotedElement = element.substring(1, element.length);
        return;
      }
      if (!quoteType) {
        if (endsWith(element, '\\')) {
          if (quotedElement) { quotedElement += " " + element; }
          else { quotedElement = element; }
        }
        else { results.push(quotedElement + ' ' + element); quotedElement = null; return; }
      }
    }
    else {
     if (quotedElement) { results.push(quotedElement+' '+element); quotedElement = null;}
     else { results.push(element); }
    }
  });
  return results;
}