YAYYYyyy giatn refactor

src/js/level/parseWaterfall.js

@@ -0,0 +1,68 @@
+var _ = require('underscore');
+
+var GitCommands = require('../git/commands');
+var SandboxCommands = require('../level/SandboxCommands');
+
+// more or less a static class
+function ParseWaterfall(options) {
+  this.shortcutWaterfall = [
+    GitCommands.shortcutMap
+  ];
+
+  this.instantWaterfall = [
+    GitCommands.instantCommands,
+    SandboxCommands.instantCommands
+  ];
+
+  this.parseWaterfall = [
+    GitCommands.parse
+  ];
+}
+
+ParseWaterfall.prototype.expandAllShortcuts = function(commandStr) {
+  _.each(this.shortcutWaterfall, function(shortcutMap) {
+    commandStr = this.expandShortcut(commandStr, shortcutMap);
+  }, this);
+  return commandStr;
+};
+
+ParseWaterfall.prototype.expandShortcut = function(commandStr, shortcutMap) {
+  _.each(shortcutMap, function(regex, method) {
+    var results = regex.exec(commandStr);
+    if (results) {
+      commandStr = method + ' ' + commandStr.slice(results[0].length);
+    }
+  });
+  return commandStr;
+};
+
+ParseWaterfall.prototype.processAllInstants = function(commandStr) {
+  _.each(this.instantWaterfall, function(instantCommands) {
+    this.processInstant(commandStr, instantCommands);
+  }, this);
+};
+
+ParseWaterfall.prototype.processInstant = function(commandStr, instantCommands) {
+  _.each(instantCommands, function(tuple) {
+    var regex = tuple[0];
+    var results = regex.exec(commandStr);
+    if (results) {
+      // this will throw a result
+      tuple[1](results);
+    }
+  });
+};
+
+ParseWaterfall.prototype.parseAll = function(commandStr) {
+  var toReturn = false;
+  _.each(this.parseWaterfall, function(parseFunc) {
+    var results = parseFunc(commandStr);
+    if (results) {
+      toReturn = results;
+    }
+  }, this);
+
+  return toReturn;
+};
+
+exports.ParseWaterfall = ParseWaterfall;