function ConvertFrom-Json {
	param (
		[Parameter(	Mandatory = $true, ValueFromPipeline = $true, Position = 0)]
		[Alias("Json")]
		[string[]]
		$InputObject,
		[switch]$AsPSObject = $false
	)
	Process {
		$output = [procurios.Public.JSON]::JsonDecode( $InputObject )
		if ( $AsPSObject ) {
			$output | ForEach-Object { New-Object PSObject -Property $_ }
		} 
		else { Write-Output $output }
	}
}

#REGION IMPORT CSHARP TYPES
# Source from: http://techblog.procurios.nl/k/618/news/view/14605/14863/How-do-I-write-my-own-parser-for-JSON.html
Add-Type @"
using System;
//using System.Data;
using System.Collections;
using System.Globalization;
using System.Text;

namespace Procurios.Public
{
	/// <summary>
	/// This class encodes and decodes JSON strings.
	/// Spec. details, see http://www.json.org/
	/// 
	/// JSON uses Arrays and Objects. These correspond here to the datatypes ArrayList and Hashtable.
	/// All numbers are parsed to doubles.
	/// </summary>
	public class JSON
	{
		public const int TOKEN_NONE = 0; 
		public const int TOKEN_CURLY_OPEN = 1;
		public const int TOKEN_CURLY_CLOSE = 2;
		public const int TOKEN_SQUARED_OPEN = 3;
		public const int TOKEN_SQUARED_CLOSE = 4;
		public const int TOKEN_COLON = 5;
		public const int TOKEN_COMMA = 6;
		public const int TOKEN_STRING = 7;
		public const int TOKEN_NUMBER = 8;
		public const int TOKEN_TRUE = 9;
		public const int TOKEN_FALSE = 10;
		public const int TOKEN_NULL = 11;

		private const int BUILDER_CAPACITY = 2000;

		protected static JSON instance = new JSON();

		/// <summary>
		/// On decoding, this value holds the position at which the parse failed (-1 = no error).
		/// </summary>
		protected int lastErrorIndex = -1;
		protected string lastDecode = "";

		/// <summary>
		/// Parses the string json into a value
		/// </summary>
		/// <param name="json">A JSON string.</param>
		/// <returns>An ArrayList, a Hashtable, a double, a string, null, true, or false</returns>
		public static object JsonDecode(string json)
		{
			// save the string for debug information
			JSON.instance.lastDecode = json;

			if (json != null) {
                char[] charArray = json.ToCharArray();
                int index = 0;
				bool success = true;
				object value = JSON.instance.ParseValue(charArray, ref index, ref success);
				if (success) {
					JSON.instance.lastErrorIndex = -1;
				} else {
					JSON.instance.lastErrorIndex = index;
				}
				return value;
            } else {
                return null;
            }
		}

		/// <summary>
		/// Converts a Hashtable / ArrayList object into a JSON string
		/// </summary>
		/// <param name="json">A Hashtable / ArrayList</param>
		/// <returns>A JSON encoded string, or null if object 'json' is not serializable</returns>
		public static string JsonEncode(object json)
		{
			StringBuilder builder = new StringBuilder(BUILDER_CAPACITY);
			bool success = JSON.instance.SerializeValue(json, builder);
			return (success ? builder.ToString() : null);
		}

		/// <summary>
		/// On decoding, this function returns the position at which the parse failed (-1 = no error).
		/// </summary>
		/// <returns></returns>
		public static bool LastDecodeSuccessful()
		{
			return (JSON.instance.lastErrorIndex == -1);
		}

		/// <summary>
		/// On decoding, this function returns the position at which the parse failed (-1 = no error).
		/// </summary>
		/// <returns></returns>
		public static int GetLastErrorIndex()
		{
			return JSON.instance.lastErrorIndex;
		}

		/// <summary>
		/// If a decoding error occurred, this function returns a piece of the JSON string 
		/// at which the error took place. To ease debugging.
		/// </summary>
		/// <returns></returns>
		public static string GetLastErrorSnippet()
		{
			if (JSON.instance.lastErrorIndex == -1) {
				return "";
			} else {
				int startIndex = JSON.instance.lastErrorIndex - 5;
				int endIndex = JSON.instance.lastErrorIndex + 15;
				if (startIndex < 0) {
					startIndex = 0;
				}
				if (endIndex >= JSON.instance.lastDecode.Length) {
					endIndex = JSON.instance.lastDecode.Length - 1;
				}

				return JSON.instance.lastDecode.Substring(startIndex, endIndex - startIndex + 1);
			}
		}

		protected Hashtable ParseObject(char[] json, ref int index)
		{
			Hashtable table = new Hashtable();
			int token;

			// {
			NextToken(json, ref index);

			bool done = false;
			while (!done) {
				token = LookAhead(json, index);
				if (token == JSON.TOKEN_NONE) {
					return null;
				} else if (token == JSON.TOKEN_COMMA) {
					NextToken(json, ref index);
				} else if (token == JSON.TOKEN_CURLY_CLOSE) {
					NextToken(json, ref index);
					return table;
				} else {

					// name
					string name = ParseString(json, ref index);
					if (name == null) {
						return null;
					}

					// :
					token = NextToken(json, ref index);
					if (token != JSON.TOKEN_COLON) {
						return null;
					}

					// value
					bool success = true;
					object value = ParseValue(json, ref index, ref success);
					if (!success) {
						return null;
					}

					table[name] = value;
				}
			}

			return table;
		}

		protected ArrayList ParseArray(char[] json, ref int index)
		{
			ArrayList array = new ArrayList();

			// [
			NextToken(json, ref index);

			bool done = false;
			while (!done) {
				int token = LookAhead(json, index);
				if (token == JSON.TOKEN_NONE) {
					return null;
				} else if (token == JSON.TOKEN_COMMA) {
					NextToken(json, ref index);
				} else if (token == JSON.TOKEN_SQUARED_CLOSE) {
					NextToken(json, ref index);
					break;
				} else {
					bool success = true;
					object value = ParseValue(json, ref index, ref success);
					if (!success) {
						return null;
					}

					array.Add(value);
				}
			}

			return array;
		}

		protected object ParseValue(char[] json, ref int index, ref bool success)
		{
			switch (LookAhead(json, index)) {
				case JSON.TOKEN_STRING:
					return ParseString(json, ref index);
				case JSON.TOKEN_NUMBER:
					return ParseNumber(json, ref index);
				case JSON.TOKEN_CURLY_OPEN:
					return ParseObject(json, ref index);
				case JSON.TOKEN_SQUARED_OPEN:
					return ParseArray(json, ref index);
				case JSON.TOKEN_TRUE:
					NextToken(json, ref index);
					return Boolean.Parse("TRUE");
				case JSON.TOKEN_FALSE:
					NextToken(json, ref index);
					return Boolean.Parse("FALSE");
				case JSON.TOKEN_NULL:
					NextToken(json, ref index);
					return null;
				case JSON.TOKEN_NONE:
					break;
			}

			success = false;
			return null;
		}

		protected string ParseString(char[] json, ref int index)
		{
			string s = "";
			char c;

			EatWhitespace(json, ref index);
			
			// "
			c = json[index++];

			bool complete = false;
			while (!complete) {

				if (index == json.Length) {
					break;
				}

				c = json[index++];
				if (c == '"') {
					complete = true;
					break;
				} else if (c == '\\') {

					if (index == json.Length) {
						break;
					}
					c = json[index++];
					if (c == '"') {
						s += '"';
					} else if (c == '\\') {
						s += '\\';
					} else if (c == '/') {
						s += '/';
					} else if (c == 'b') {
						s += '\b';
					} else if (c == 'f') {
						s += '\f';
					} else if (c == 'n') {
						s += '\n';
					} else if (c == 'r') {
						s += '\r';
					} else if (c == 't') {
						s += '\t';
					} else if (c == 'u') {
						int remainingLength = json.Length - index;
						if (remainingLength >= 4) {
							// fetch the next 4 chars
							char[] unicodeCharArray = new char[4];
							Array.Copy(json, index, unicodeCharArray, 0, 4);
							// parse the 32 bit hex into an integer codepoint
							uint codePoint = UInt32.Parse(new string(unicodeCharArray), NumberStyles.HexNumber);
							// convert the integer codepoint to a unicode char and add to string
							s += Char.ConvertFromUtf32((int)codePoint);
							// skip 4 chars
							index += 4;
						} else {
							break;
						}
					}

				} else {
					s += c;
				}

			}

			if (!complete) {
				return null;
			}

			return s;
		}

		protected double ParseNumber(char[] json, ref int index)
		{
			EatWhitespace(json, ref index);

			int lastIndex = GetLastIndexOfNumber(json, index);
			int charLength = (lastIndex - index) + 1;
			char[] numberCharArray = new char[charLength];

			Array.Copy(json, index, numberCharArray, 0, charLength);
			index = lastIndex + 1;
			return Double.Parse(new string(numberCharArray), CultureInfo.InvariantCulture);
		}

		protected int GetLastIndexOfNumber(char[] json, int index)
		{
			int lastIndex;
			for (lastIndex = index; lastIndex < json.Length; lastIndex++) {
				if ("0123456789+-.eE".IndexOf(json[lastIndex]) == -1) {
					break;
				}
			}
			return lastIndex - 1;
		}

		protected void EatWhitespace(char[] json, ref int index)
		{
			for (; index < json.Length; index++) {
				if (" \t\n\r".IndexOf(json[index]) == -1) {
					break;
				}
			}
		}

		protected int LookAhead(char[] json, int index)
		{
			int saveIndex = index;
			return NextToken(json, ref saveIndex);
		}

		protected int NextToken(char[] json, ref int index)
		{
			EatWhitespace(json, ref index);

			if (index == json.Length) {
				return JSON.TOKEN_NONE;
			}
			
			char c = json[index];
			index++;
			switch (c) {
				case '{':
					return JSON.TOKEN_CURLY_OPEN;
				case '}':
					return JSON.TOKEN_CURLY_CLOSE;
				case '[':
					return JSON.TOKEN_SQUARED_OPEN;
				case ']':
					return JSON.TOKEN_SQUARED_CLOSE;
				case ',':
					return JSON.TOKEN_COMMA;
				case '"':
					return JSON.TOKEN_STRING;
				case '0': case '1': case '2': case '3': case '4': 
				case '5': case '6': case '7': case '8': case '9':
				case '-': 
					return JSON.TOKEN_NUMBER;
				case ':':
					return JSON.TOKEN_COLON;
			}
			index--;

			int remainingLength = json.Length - index;

			// false
			if (remainingLength >= 5) {
				if (json[index] == 'f' &&
					json[index + 1] == 'a' &&
					json[index + 2] == 'l' &&
					json[index + 3] == 's' &&
					json[index + 4] == 'e') {
					index += 5;
					return JSON.TOKEN_FALSE;
				}
			}

			// true
			if (remainingLength >= 4) {
				if (json[index] == 't' &&
					json[index + 1] == 'r' &&
					json[index + 2] == 'u' &&
					json[index + 3] == 'e') {
					index += 4;
					return JSON.TOKEN_TRUE;
				}
			}

			// null
			if (remainingLength >= 4) {
				if (json[index] == 'n' &&
					json[index + 1] == 'u' &&
					json[index + 2] == 'l' &&
					json[index + 3] == 'l') {
					index += 4;
					return JSON.TOKEN_NULL;
				}
			}

			return JSON.TOKEN_NONE;
		}

		protected bool SerializeObjectOrArray(object objectOrArray, StringBuilder builder)
		{
			if (objectOrArray is Hashtable) {
				return SerializeObject((Hashtable)objectOrArray, builder);
			} else if (objectOrArray is ArrayList) {
				return SerializeArray((ArrayList)objectOrArray, builder);
			} else {
				return false;
			}
		}

		protected bool SerializeObject(Hashtable anObject, StringBuilder builder)
		{
			builder.Append("{");

			IDictionaryEnumerator e = anObject.GetEnumerator();
			bool first = true;
			while (e.MoveNext()) {
				string key = e.Key.ToString();
				object value = e.Value;

				if (!first) {
					builder.Append(", ");
				}

				SerializeString(key, builder);
				builder.Append(":");
				if (!SerializeValue(value, builder)) {
					return false;
				}

				first = false;
			}

			builder.Append("}");
			return true;
		}

		protected bool SerializeArray(ArrayList anArray, StringBuilder builder)
		{
			builder.Append("[");

			bool first = true;
			for (int i = 0; i < anArray.Count; i++) {
				object value = anArray[i];

				if (!first) {
					builder.Append(", ");
				}

				if (!SerializeValue(value, builder)) {
					return false;
				}

				first = false;
			}

			builder.Append("]");
			return true;
		}

		protected bool SerializeValue(object value, StringBuilder builder)
		{
			if (value is string) {
				SerializeString((string)value, builder);
			} else if (value is Hashtable) {
				SerializeObject((Hashtable)value, builder);
			} else if (value is ArrayList) {
				SerializeArray((ArrayList)value, builder);
			} else if (IsNumeric(value)) {
				SerializeNumber(Convert.ToDouble(value), builder);
			} else if ((value is Boolean) && ((Boolean)value == true)) {
				builder.Append("true");
			} else if ((value is Boolean) && ((Boolean)value == false)) {
				builder.Append("false");
			} else if (value == null) {
				builder.Append("null");
			} else {
				return false;
			}
			return true;
		}

		protected void SerializeString(string aString, StringBuilder builder)
		{
			builder.Append("\"");

			char[] charArray = aString.ToCharArray();
			for (int i = 0; i < charArray.Length; i++) {
				char c = charArray[i];
				if (c == '"') {
					builder.Append("\\\"");
				} else if (c == '\\') {
					builder.Append("\\\\");
				} else if (c == '\b') {
					builder.Append("\\b");
				} else if (c == '\f') {
					builder.Append("\\f");
				} else if (c == '\n') {
					builder.Append("\\n");
				} else if (c == '\r') {
					builder.Append("\\r");
				} else if (c == '\t') {
					builder.Append("\\t");
				} else {
					int codepoint = Convert.ToInt32(c);
					if ((codepoint >= 32) && (codepoint <= 126)) {
						builder.Append(c);
					} else {
						builder.Append("\\u" + Convert.ToString(codepoint, 16).PadLeft(4, '0'));
					}
				}
			}

			builder.Append("\"");
		}

		protected void SerializeNumber(double number, StringBuilder builder)
		{
			builder.Append(Convert.ToString(number, CultureInfo.InvariantCulture));
		}

		/// <summary>
		/// Determines if a given object is numeric in any way
		/// (can be integer, double, etc). C# has no pretty way to do this.
		/// </summary>
		protected bool IsNumeric(object o)
		{
			try {
				Double.Parse(o.ToString());
			} catch (Exception) {
				return false;
			}
			return true;
		}
	}
}
"@

#ENDREGION

Export-ModuleMember ConvertFrom-Json