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+/**
+ * Functions for manipulating web forms.
+ *
+ * @author David I. Lehn <dlehn@digitalbazaar.com>
+ * @author Dave Longley
+ * @author Mike Johnson
+ *
+ * Copyright (c) 2011-2014 Digital Bazaar, Inc. All rights reserved.
+ */
+(function($) {
+
+/**
+ * The form namespace.
+ */
+var form = {};
+
+/**
+ * Regex for parsing a single name property (handles array brackets).
+ */
+var _regex = /(.*?)\[(.*?)\]/g;
+
+/**
+ * Parses a single name property into an array with the name and any
+ * array indices.
+ *
+ * @param name the name to parse.
+ *
+ * @return the array of the name and its array indices in order.
+ */
+var _parseName = function(name) {
+  var rval = [];
+
+  var matches;
+  while(!!(matches = _regex.exec(name))) {
+    if(matches[1].length > 0) {
+      rval.push(matches[1]);
+    }
+    if(matches.length >= 2) {
+      rval.push(matches[2]);
+    }
+  }
+  if(rval.length === 0) {
+    rval.push(name);
+  }
+
+  return rval;
+};
+
+/**
+ * Adds a field from the given form to the given object.
+ *
+ * @param obj the object.
+ * @param names the field as an array of object property names.
+ * @param value the value of the field.
+ * @param dict a dictionary of names to replace.
+ */
+var _addField = function(obj, names, value, dict) {
+  // combine array names that fall within square brackets
+  var tmp = [];
+  for(var i = 0; i < names.length; ++i) {
+    // check name for starting square bracket but no ending one
+    var name = names[i];
+    if(name.indexOf('[') !== -1 && name.indexOf(']') === -1 &&
+      i < names.length - 1) {
+      do {
+        name += '.' + names[++i];
+      } while(i < names.length - 1 && names[i].indexOf(']') === -1);
+    }
+    tmp.push(name);
+  }
+  names = tmp;
+
+  // split out array indexes
+  var tmp = [];
+  $.each(names, function(n, name) {
+    tmp = tmp.concat(_parseName(name));
+  });
+  names = tmp;
+
+  // iterate over object property names until value is set
+  $.each(names, function(n, name) {
+    // do dictionary name replacement
+    if(dict && name.length !== 0 && name in dict) {
+       name = dict[name];
+    }
+
+    // blank name indicates appending to an array, set name to
+    // new last index of array
+    if(name.length === 0) {
+       name = obj.length;
+    }
+
+    // value already exists, append value
+    if(obj[name]) {
+      // last name in the field
+      if(n == names.length - 1) {
+        // more than one value, so convert into an array
+        if(!$.isArray(obj[name])) {
+          obj[name] = [obj[name]];
+        }
+        obj[name].push(value);
+      } else {
+        // not last name, go deeper into object
+        obj = obj[name];
+      }
+    } else if(n == names.length - 1) {
+      // new value, last name in the field, set value
+      obj[name] = value;
+    } else {
+      // new value, not last name, go deeper
+      // get next name
+      var next = names[n + 1];
+
+      // blank next value indicates array-appending, so create array
+      if(next.length === 0) {
+         obj[name] = [];
+      } else {
+        // if next name is a number create an array, otherwise a map
+        var isNum = ((next - 0) == next && next.length > 0);
+        obj[name] = isNum ? [] : {};
+      }
+      obj = obj[name];
+    }
+  });
+};
+
+/**
+ * Serializes a form to a JSON object. Object properties will be separated
+ * using the given separator (defaults to '.') and by square brackets.
+ *
+ * @param input the jquery form to serialize.
+ * @param sep the object-property separator (defaults to '.').
+ * @param dict a dictionary of names to replace (name=replace).
+ *
+ * @return the JSON-serialized form.
+ */
+form.serialize = function(input, sep, dict) {
+  var rval = {};
+
+  // add all fields in the form to the object
+  sep = sep || '.';
+  $.each(input.serializeArray(), function() {
+    _addField(rval, this.name.split(sep), this.value || '', dict);
+  });
+
+  return rval;
+};
+
+/**
+ * The forge namespace and form API.
+ */
+if(typeof forge === 'undefined') {
+  forge = {};
+}
+forge.form = form;
+
+})(jQuery);