Support for decoding date type in XML 1.0, with test.

Foundation/CPDate.j

@@ -231,4 +231,41 @@ var CPDateTimeKey = @"CPDateTimeKey";
 
 @end
 
+// Based on 'Universal JavaScript Date.parse for ISO 8601' available at https://github.com/csnover/js-iso8601.
+var numericKeys = [1, 4, 5, 6, 7, 10, 11];
+Date.parseISO8601 = function (date)
+{
+    var timestamp, struct, minutesOffset = 0;
+    
+    // First, check for native parsing.
+    timestamp = Date.parse(date);
+
+    if (isNaN(timestamp) && (struct = /^(\d{4}|[+\-]\d{6})(?:-(\d{2})(?:-(\d{2}))?)?(?:T(\d{2}):(\d{2})(?::(\d{2})(?:\.(\d{3}))?)?(?:(Z)|([+\-])(\d{2})(?::(\d{2}))?)?)?$/.exec(date)))
+    {
+        // avoid NaN timestamps caused by “undefined” values being passed to Date.UTC
+        for (var i = 0, k; (k = numericKeys[i]); ++i)
+        {
+            struct[k] = +struct[k] || 0;
+        }
+
+        // allow undefined days and months
+        struct[2] = (+struct[2] || 1) - 1;
+        struct[3] = +struct[3] || 1;
+
+        if (struct[8] !== 'Z' && struct[9] !== undefined)
+        {
+            minutesOffset = struct[10] * 60 + struct[11];
+
+            if (struct[9] === '+')
+            {
+                minutesOffset = 0 - minutesOffset;
+            }
+        }
+
+        return Date.UTC(struct[1], struct[2], struct[3], struct[4], struct[5] + minutesOffset, struct[6], struct[7]);
+    }
+
+    return timestamp;
+};
+
 Date.prototype.isa = CPDate;

Objective-J/CFPropertyList.js

@@ -297,6 +297,7 @@ var XML_XML                 = "xml",
     PLIST_DICTIONARY        = "dict",
     PLIST_ARRAY             = "array",
     PLIST_STRING            = "string",
+    PLIST_DATE              = "date",
     PLIST_BOOLEAN_TRUE      = "true",
     PLIST_BOOLEAN_FALSE     = "false",
     PLIST_NUMBER_REAL       = "real",
@@ -596,6 +597,10 @@ CFPropertyList.propertyListFromXML = function(/*String | XMLNode*/ aStringOrXMLN
                                             object = decodeHTMLComponent(FIRST_CHILD(XMLNode) ? TEXT_CONTENT(XMLNode) : "");
 
                                         break;
+                                        
+            case PLIST_DATE:            var timestamp = Date.parseISO8601(TEXT_CONTENT(XMLNode));
+                                        object = isNaN(timestamp) ? new Date() : new Date(timestamp);
+                                        break;
 
             case PLIST_BOOLEAN_TRUE:    object = YES;
                                         break;

Tests/Objective-J/CFPropertyListTest.j

@@ -14,4 +14,14 @@ var FILE = require("file"),
     });
 }
 
+- (void)testDateDeserialization
+{
+    var path = FILE.join(FILE.dirname(module.path), "PropertyLists/XMLDate.plist"),
+        object = CFPropertyList.readPropertyListFromFile(path),
+        date = [object objectForKey:@"date"];
+    
+    [self assert:[CPDate class] equals:[date class]];
+    [self assert:[[CPDate alloc] initWithString:"2012-01-01 10:00:00 +0100"] equals:date];
+}
+
 @end

Tests/Objective-J/PropertyLists/XMLDate.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>date</key>
+	<date>2012-01-01T09:00:00Z</date>
+</dict>
+</plist>