cnra/MiniJSON.cs

## MiniJSON.cs
/*
 * Copyright (c) 2013 Calvin Rien
 *
 * Based on the JSON parser by Patrick van Bergen
 * http://techblog.procurios.nl/k/618/news/view/14605/14863/How-do-I-write-my-own-parser-for-JSON.html
 *
 * Simplified it so that it doesn't throw exceptions
 * and can be used in Unity iPhone with maximum code stripping.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;

namespace MiniJSON {
    // Example usage:
    //
    //  using UnityEngine;
    //  using System.Collections;
    //  using System.Collections.Generic;
    //  using MiniJSON;
    //
    //  public class MiniJSONTest : MonoBehaviour {
    //      void Start () {
    //          var jsonString = "{ \"array\": [1.44,2,3], " +
    //                          "\"object\": {\"key1\":\"value1\", \"key2\":256}, " +
    //                          "\"string\": \"The quick brown fox \\\"jumps\\\" over the lazy dog \", " +
    //                          "\"unicode\": \"\\u3041 Men\u00fa sesi\u00f3n\", " +
    //                          "\"int\": 65536, " +
    //                          "\"float\": 3.1415926, " +
    //                          "\"bool\": true, " +
    //                          "\"null\": null }";
    //
    //          var dict = Json.Deserialize(jsonString) as Dictionary<string,object>;
    //
    //          Debug.Log("deserialized: " + dict.GetType());
    //          Debug.Log("dict['array'][0]: " + ((List<object>) dict["array"])[0]);
    //          Debug.Log("dict['string']: " + (string) dict["string"]);
    //          Debug.Log("dict['float']: " + (double) dict["float"]); // floats come out as doubles
    //          Debug.Log("dict['int']: " + (long) dict["int"]); // ints come out as longs
    //          Debug.Log("dict['unicode']: " + (string) dict["unicode"]);
    //
    //          var str = Json.Serialize(dict);
    //
    //          Debug.Log("serialized: " + str);
    //      }
    //  }

    /// <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 IList and IDictionary.
    /// All numbers are parsed to doubles.
    /// </summary>
    public static class Json {
        /// <summary>
        /// Parses the string json into a value
        /// </summary>
        /// <param name="json">A JSON string.</param>
        /// <returns>An List&lt;object&gt;, a Dictionary&lt;string, object&gt;, a double, an integer,a string, null, true, or false</returns>
        public static object Deserialize(string json) {
            // save the string for debug information
            if (json == null) {
                return null;
            }

            return Parser.Parse(json);
        }

        sealed class Parser : IDisposable {
            const string WORD_BREAK = "{}[],:\"";

            public static bool IsWordBreak(char c) {
                return Char.IsWhiteSpace(c) || WORD_BREAK.IndexOf(c) != -1;
            }

            enum TOKEN {
                NONE,
                CURLY_OPEN,
                CURLY_CLOSE,
                SQUARED_OPEN,
                SQUARED_CLOSE,
                COLON,
                COMMA,
                STRING,
                NUMBER,
                TRUE,
                FALSE,
                NULL
            };

            StringReader json;

            Parser(string jsonString) {
                json = new StringReader(jsonString);
            }

            public static object Parse(string jsonString) {
                using (var instance = new Parser(jsonString)) {
                    return instance.ParseValue();
                }
            }

            public void Dispose() {
                json.Dispose();
                json = null;
            }

            Dictionary<string, object> ParseObject() {
                Dictionary<string, object> table = new Dictionary<string, object>();

                // ditch opening brace
                json.Read();

                // {
                while (true) {
                    switch (NextToken) {
                    case TOKEN.NONE:
                        return null;
                    case TOKEN.COMMA:
                        continue;
                    case TOKEN.CURLY_CLOSE:
                        return table;
                    default:
                        // name
                        string name = ParseString();
                        if (name == null) {
                            return null;
                        }

                        // :
                        if (NextToken != TOKEN.COLON) {
                            return null;
                        }
                        // ditch the colon
                        json.Read();

                        // value
                        table[name] = ParseValue();
                        break;
                    }
                }
            }

            List<object> ParseArray() {
                List<object> array = new List<object>();

                // ditch opening bracket
                json.Read();

                // [
                var parsing = true;
                while (parsing) {
                    TOKEN nextToken = NextToken;

                    switch (nextToken) {
                    case TOKEN.NONE:
                        return null;
                    case TOKEN.COMMA:
                        continue;
                    case TOKEN.SQUARED_CLOSE:
                        parsing = false;
                        break;
                    default:
                        object value = ParseByToken(nextToken);

                        array.Add(value);
                        break;
                    }
                }

                return array;
            }

            object ParseValue() {
                TOKEN nextToken = NextToken;
                return ParseByToken(nextToken);
            }

            object ParseByToken(TOKEN token) {
                switch (token) {
                case TOKEN.STRING:
                    return ParseString();
                case TOKEN.NUMBER:
                    return ParseNumber();
                case TOKEN.CURLY_OPEN:
                    return ParseObject();
                case TOKEN.SQUARED_OPEN:
                    return ParseArray();
                case TOKEN.TRUE:
                    return true;
                case TOKEN.FALSE:
                    return false;
                case TOKEN.NULL:
                    return null;
                default:
                    return null;
                }
            }

            string ParseString() {
                StringBuilder s = new StringBuilder();
                char c;

                // ditch opening quote
                json.Read();

                bool parsing = true;
                while (parsing) {

                    if (json.Peek() == -1) {
                        parsing = false;
                        break;
                    }

                    c = NextChar;
                    switch (c) {
                    case '"':
                        parsing = false;
                        break;
                    case '\\':
                        if (json.Peek() == -1) {
                            parsing = false;
                            break;
                        }

                        c = NextChar;
                        switch (c) {
                        case '"':
                        case '\\':
                        case '/':
                            s.Append(c);
                            break;
                        case 'b':
                            s.Append('\b');
                            break;
                        case 'f':
                            s.Append('\f');
                            break;
                        case 'n':
                            s.Append('\n');
                            break;
                        case 'r':
                            s.Append('\r');
                            break;
                        case 't':
                            s.Append('\t');
                            break;
                        case 'u':
                            var hex = new char[4];

                            for (int i=0; i< 4; i++) {
                                hex[i] = NextChar;
                            }

                            s.Append((char) Convert.ToInt32(new string(hex), 16));
                            break;
                        }
                        break;
                    default:
                        s.Append(c);
                        break;
                    }
                }

                return s.ToString();
            }

            object ParseNumber() {
                string number = NextWord;

                if (number.IndexOf('.') == -1) {
                    long parsedInt;
                    Int64.TryParse(number, out parsedInt);
                    return parsedInt;
                }

                double parsedDouble;
                Double.TryParse(number, out parsedDouble);
                return parsedDouble;
            }

            void EatWhitespace() {
                while (Char.IsWhiteSpace(PeekChar)) {
                    json.Read();

                    if (json.Peek() == -1) {
                        break;
                    }
                }
            }

            char PeekChar {
                get {
                    return Convert.ToChar(json.Peek());
                }
            }

            char NextChar {
                get {
                    return Convert.ToChar(json.Read());
                }
            }

            string NextWord {
                get {
                    StringBuilder word = new StringBuilder();

                    while (!IsWordBreak(PeekChar)) {
                        word.Append(NextChar);

                        if (json.Peek() == -1) {
                            break;
                        }
                    }

                    return word.ToString();
                }
            }

            TOKEN NextToken {
                get {
                    EatWhitespace();

                    if (json.Peek() == -1) {
                        return TOKEN.NONE;
                    }

                    switch (PeekChar) {
                    case '{':
                        return TOKEN.CURLY_OPEN;
                    case '}':
                        json.Read();
                        return TOKEN.CURLY_CLOSE;
                    case '[':
                        return TOKEN.SQUARED_OPEN;
                    case ']':
                        json.Read();
                        return TOKEN.SQUARED_CLOSE;
                    case ',':
                        json.Read();
                        return TOKEN.COMMA;
                    case '"':
                        return TOKEN.STRING;
                    case ':':
                        return TOKEN.COLON;
                    case '0':
                    case '1':
                    case '2':
                    case '3':
                    case '4':
                    case '5':
                    case '6':
                    case '7':
                    case '8':
                    case '9':
                    case '-':
                        return TOKEN.NUMBER;
                    }

                    switch (NextWord) {
                    case "false":
                        return TOKEN.FALSE;
                    case "true":
                        return TOKEN.TRUE;
                    case "null":
                        return TOKEN.NULL;
                    }

                    return TOKEN.NONE;
                }
            }
        }

        /// <summary>
        /// Converts a IDictionary / IList object or a simple type (string, int, etc.) into a JSON string
        /// </summary>
        /// <param name="json">A Dictionary&lt;string, object&gt; / List&lt;object&gt;</param>
        /// <returns>A JSON encoded string, or null if object 'json' is not serializable</returns>
        public static string Serialize(object obj) {
            return Serializer.Serialize(obj);
        }

        sealed class Serializer {
            StringBuilder builder;

            Serializer() {
                builder = new StringBuilder();
            }

            public static string Serialize(object obj) {
                var instance = new Serializer();

                instance.SerializeValue(obj);

                return instance.builder.ToString();
            }

            void SerializeValue(object value) {
                IList asList;
                IDictionary asDict;
                string asStr;

                if (value == null) {
                    builder.Append("null");
                } else if ((asStr = value as string) != null) {
                    SerializeString(asStr);
                } else if (value is bool) {
                    builder.Append((bool) value ? "true" : "false");
                } else if ((asList = value as IList) != null) {
                    SerializeArray(asList);
                } else if ((asDict = value as IDictionary) != null) {
                    SerializeObject(asDict);
                } else if (value is char) {
                    SerializeString(new string((char) value, 1));
                } else {
                    SerializeOther(value);
                }
            }

            void SerializeObject(IDictionary obj) {
                bool first = true;

                builder.Append('{');

                foreach (object e in obj.Keys) {
                    if (!first) {
                        builder.Append(',');
                    }

                    SerializeString(e.ToString());
                    builder.Append(':');

                    SerializeValue(obj[e]);

                    first = false;
                }

                builder.Append('}');
            }

            void SerializeArray(IList anArray) {
                builder.Append('[');

                bool first = true;

                foreach (object obj in anArray) {
                    if (!first) {
                        builder.Append(',');
                    }

                    SerializeValue(obj);

                    first = false;
                }

                builder.Append(']');
            }

            void SerializeString(string str) {
                builder.Append('\"');

                char[] charArray = str.ToCharArray();
                foreach (var c in charArray) {
                    switch (c) {
                    case '"':
                        builder.Append("\\\"");
                        break;
                    case '\\':
                        builder.Append("\\\\");
                        break;
                    case '\b':
                        builder.Append("\\b");
                        break;
                    case '\f':
                        builder.Append("\\f");
                        break;
                    case '\n':
                        builder.Append("\\n");
                        break;
                    case '\r':
                        builder.Append("\\r");
                        break;
                    case '\t':
                        builder.Append("\\t");
                        break;
                    default:
                        int codepoint = Convert.ToInt32(c);
                        if ((codepoint >= 32) && (codepoint <= 126)) {
                            builder.Append(c);
                        } else {
                            builder.Append("\\u");
                            builder.Append(codepoint.ToString("x4"));
                        }
                        break;
                    }
                }

                builder.Append('\"');
            }

            void SerializeOther(object value) {
                // NOTE: decimals lose precision during serialization.
                // They always have, I'm just letting you know.
                // Previously floats and doubles lost precision too.
                if (value is float) {
                    builder.Append(((float) value).ToString("R"));
                } else if (value is int
                    || value is uint
                    || value is long
                    || value is sbyte
                    || value is byte
                    || value is short
                    || value is ushort
                    || value is ulong) {
                    builder.Append(value);
                } else if (value is double
                    || value is decimal) {
                    builder.Append(Convert.ToDouble(value).ToString("R"));
                } else {
                    SerializeString(value.ToString());
                }
            }
        }
    }
}
	/*
	* Copyright (c) 2013 Calvin Rien
	*
	* Based on the JSON parser by Patrick van Bergen
	* http://techblog.procurios.nl/k/618/news/view/14605/14863/How-do-I-write-my-own-parser-for-JSON.html
	*
	* Simplified it so that it doesn't throw exceptions
	* and can be used in Unity iPhone with maximum code stripping.
	*
	* Permission is hereby granted, free of charge, to any person obtaining
	* a copy of this software and associated documentation files (the
	* "Software"), to deal in the Software without restriction, including
	* without limitation the rights to use, copy, modify, merge, publish,
	* distribute, sublicense, and/or sell copies of the Software, and to
	* permit persons to whom the Software is furnished to do so, subject to
	* the following conditions:
	*
	* The above copyright notice and this permission notice shall be
	* included in all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
	* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
	* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	*/
	using System;
	using System.Collections;
	using System.Collections.Generic;
	using System.IO;
	using System.Text;

	namespace MiniJSON {
	// Example usage:
	//
	// using UnityEngine;
	// using System.Collections;
	// using System.Collections.Generic;
	// using MiniJSON;
	//
	// public class MiniJSONTest : MonoBehaviour {
	// void Start () {
	// var jsonString = "{ \"array\": [1.44,2,3], " +
	// "\"object\": {\"key1\":\"value1\", \"key2\":256}, " +
	// "\"string\": \"The quick brown fox \\\"jumps\\\" over the lazy dog \", " +
	// "\"unicode\": \"\\u3041 Men\u00fa sesi\u00f3n\", " +
	// "\"int\": 65536, " +
	// "\"float\": 3.1415926, " +
	// "\"bool\": true, " +
	// "\"null\": null }";
	//
	// var dict = Json.Deserialize(jsonString) as Dictionary<string,object>;
	//
	// Debug.Log("deserialized: " + dict.GetType());
	// Debug.Log("dict['array'][0]: " + ((List<object>) dict["array"])[0]);
	// Debug.Log("dict['string']: " + (string) dict["string"]);
	// Debug.Log("dict['float']: " + (double) dict["float"]); // floats come out as doubles
	// Debug.Log("dict['int']: " + (long) dict["int"]); // ints come out as longs
	// Debug.Log("dict['unicode']: " + (string) dict["unicode"]);
	//
	// var str = Json.Serialize(dict);
	//
	// Debug.Log("serialized: " + str);
	// }
	// }

	/// <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 IList and IDictionary.
	/// All numbers are parsed to doubles.
	/// </summary>
	public static class Json {
	/// <summary>
	/// Parses the string json into a value
	/// </summary>
	/// <param name="json">A JSON string.</param>
	/// <returns>An List<object>, a Dictionary<string, object>, a double, an integer,a string, null, true, or false</returns>
	public static object Deserialize(string json) {
	// save the string for debug information
	if (json == null) {
	return null;
	}

	return Parser.Parse(json);
	}

	sealed class Parser : IDisposable {
	const string WORD_BREAK = "{}[],:\"";

	public static bool IsWordBreak(char c) {
	return Char.IsWhiteSpace(c) \|\| WORD_BREAK.IndexOf(c) != -1;
	}

	enum TOKEN {
	NONE,
	CURLY_OPEN,
	CURLY_CLOSE,
	SQUARED_OPEN,
	SQUARED_CLOSE,
	COLON,
	COMMA,
	STRING,
	NUMBER,
	TRUE,
	FALSE,
	NULL
	};

	StringReader json;

	Parser(string jsonString) {
	json = new StringReader(jsonString);
	}

	public static object Parse(string jsonString) {
	using (var instance = new Parser(jsonString)) {
	return instance.ParseValue();
	}
	}

	public void Dispose() {
	json.Dispose();
	json = null;
	}

	Dictionary<string, object> ParseObject() {
	Dictionary<string, object> table = new Dictionary<string, object>();

	// ditch opening brace
	json.Read();

	// {
	while (true) {
	switch (NextToken) {
	case TOKEN.NONE:
	return null;
	case TOKEN.COMMA:
	continue;
	case TOKEN.CURLY_CLOSE:
	return table;
	default:
	// name
	string name = ParseString();
	if (name == null) {
	return null;
	}

	// :
	if (NextToken != TOKEN.COLON) {
	return null;
	}
	// ditch the colon
	json.Read();

	// value
	table[name] = ParseValue();
	break;
	}
	}
	}

	List<object> ParseArray() {
	List<object> array = new List<object>();

	// ditch opening bracket
	json.Read();

	// [
	var parsing = true;
	while (parsing) {
	TOKEN nextToken = NextToken;

	switch (nextToken) {
	case TOKEN.NONE:
	return null;
	case TOKEN.COMMA:
	continue;
	case TOKEN.SQUARED_CLOSE:
	parsing = false;
	break;
	default:
	object value = ParseByToken(nextToken);

	array.Add(value);
	break;
	}
	}

	return array;
	}

	object ParseValue() {
	TOKEN nextToken = NextToken;
	return ParseByToken(nextToken);
	}

	object ParseByToken(TOKEN token) {
	switch (token) {
	case TOKEN.STRING:
	return ParseString();
	case TOKEN.NUMBER:
	return ParseNumber();
	case TOKEN.CURLY_OPEN:
	return ParseObject();
	case TOKEN.SQUARED_OPEN:
	return ParseArray();
	case TOKEN.TRUE:
	return true;
	case TOKEN.FALSE:
	return false;
	case TOKEN.NULL:
	return null;
	default:
	return null;
	}
	}

	string ParseString() {
	StringBuilder s = new StringBuilder();
	char c;

	// ditch opening quote
	json.Read();

	bool parsing = true;
	while (parsing) {

	if (json.Peek() == -1) {
	parsing = false;
	break;
	}

	c = NextChar;
	switch (c) {
	case '"':
	parsing = false;
	break;
	case '\\':
	if (json.Peek() == -1) {
	parsing = false;
	break;
	}

	c = NextChar;
	switch (c) {
	case '"':
	case '\\':
	case '/':
	s.Append(c);
	break;
	case 'b':
	s.Append('\b');
	break;
	case 'f':
	s.Append('\f');
	break;
	case 'n':
	s.Append('\n');
	break;
	case 'r':
	s.Append('\r');
	break;
	case 't':
	s.Append('\t');
	break;
	case 'u':
	var hex = new char[4];

	for (int i=0; i< 4; i++) {
	hex[i] = NextChar;
	}

	s.Append((char) Convert.ToInt32(new string(hex), 16));
	break;
	}
	break;
	default:
	s.Append(c);
	break;
	}
	}

	return s.ToString();
	}

	object ParseNumber() {
	string number = NextWord;

	if (number.IndexOf('.') == -1) {
	long parsedInt;
	Int64.TryParse(number, out parsedInt);
	return parsedInt;
	}

	double parsedDouble;
	Double.TryParse(number, out parsedDouble);
	return parsedDouble;
	}

	void EatWhitespace() {
	while (Char.IsWhiteSpace(PeekChar)) {
	json.Read();

	if (json.Peek() == -1) {
	break;
	}
	}
	}

	char PeekChar {
	get {
	return Convert.ToChar(json.Peek());
	}
	}

	char NextChar {
	get {
	return Convert.ToChar(json.Read());
	}
	}

	string NextWord {
	get {
	StringBuilder word = new StringBuilder();

	while (!IsWordBreak(PeekChar)) {
	word.Append(NextChar);

	if (json.Peek() == -1) {
	break;
	}
	}

	return word.ToString();
	}
	}

	TOKEN NextToken {
	get {
	EatWhitespace();

	if (json.Peek() == -1) {
	return TOKEN.NONE;
	}

	switch (PeekChar) {
	case '{':
	return TOKEN.CURLY_OPEN;
	case '}':
	json.Read();
	return TOKEN.CURLY_CLOSE;
	case '[':
	return TOKEN.SQUARED_OPEN;
	case ']':
	json.Read();
	return TOKEN.SQUARED_CLOSE;
	case ',':
	json.Read();
	return TOKEN.COMMA;
	case '"':
	return TOKEN.STRING;
	case ':':
	return TOKEN.COLON;
	case '0':
	case '1':
	case '2':
	case '3':
	case '4':
	case '5':
	case '6':
	case '7':
	case '8':
	case '9':
	case '-':
	return TOKEN.NUMBER;
	}

	switch (NextWord) {
	case "false":
	return TOKEN.FALSE;
	case "true":
	return TOKEN.TRUE;
	case "null":
	return TOKEN.NULL;
	}

	return TOKEN.NONE;
	}
	}
	}

	/// <summary>
	/// Converts a IDictionary / IList object or a simple type (string, int, etc.) into a JSON string
	/// </summary>
	/// <param name="json">A Dictionary<string, object> / List<object></param>
	/// <returns>A JSON encoded string, or null if object 'json' is not serializable</returns>
	public static string Serialize(object obj) {
	return Serializer.Serialize(obj);
	}

	sealed class Serializer {
	StringBuilder builder;

	Serializer() {
	builder = new StringBuilder();
	}

	public static string Serialize(object obj) {
	var instance = new Serializer();

	instance.SerializeValue(obj);

	return instance.builder.ToString();
	}

	void SerializeValue(object value) {
	IList asList;
	IDictionary asDict;
	string asStr;

	if (value == null) {
	builder.Append("null");
	} else if ((asStr = value as string) != null) {
	SerializeString(asStr);
	} else if (value is bool) {
	builder.Append((bool) value ? "true" : "false");
	} else if ((asList = value as IList) != null) {
	SerializeArray(asList);
	} else if ((asDict = value as IDictionary) != null) {
	SerializeObject(asDict);
	} else if (value is char) {
	SerializeString(new string((char) value, 1));
	} else {
	SerializeOther(value);
	}
	}

	void SerializeObject(IDictionary obj) {
	bool first = true;

	builder.Append('{');

	foreach (object e in obj.Keys) {
	if (!first) {
	builder.Append(',');
	}

	SerializeString(e.ToString());
	builder.Append(':');

	SerializeValue(obj[e]);

	first = false;
	}

	builder.Append('}');
	}

	void SerializeArray(IList anArray) {
	builder.Append('[');

	bool first = true;

	foreach (object obj in anArray) {
	if (!first) {
	builder.Append(',');
	}

	SerializeValue(obj);

	first = false;
	}

	builder.Append(']');
	}

	void SerializeString(string str) {
	builder.Append('\"');

	char[] charArray = str.ToCharArray();
	foreach (var c in charArray) {
	switch (c) {
	case '"':
	builder.Append("\\\"");
	break;
	case '\\':
	builder.Append("\\\\");
	break;
	case '\b':
	builder.Append("\\b");
	break;
	case '\f':
	builder.Append("\\f");
	break;
	case '\n':
	builder.Append("\\n");
	break;
	case '\r':
	builder.Append("\\r");
	break;
	case '\t':
	builder.Append("\\t");
	break;
	default:
	int codepoint = Convert.ToInt32(c);
	if ((codepoint >= 32) && (codepoint <= 126)) {
	builder.Append(c);
	} else {
	builder.Append("\\u");
	builder.Append(codepoint.ToString("x4"));
	}
	break;
	}
	}

	builder.Append('\"');
	}

	void SerializeOther(object value) {
	// NOTE: decimals lose precision during serialization.
	// They always have, I'm just letting you know.
	// Previously floats and doubles lost precision too.
	if (value is float) {
	builder.Append(((float) value).ToString("R"));
	} else if (value is int
	\|\| value is uint
	\|\| value is long
	\|\| value is sbyte
	\|\| value is byte
	\|\| value is short
	\|\| value is ushort
	\|\| value is ulong) {
	builder.Append(value);
	} else if (value is double
	\|\| value is decimal) {
	builder.Append(Convert.ToDouble(value).ToString("R"));
	} else {
	SerializeString(value.ToString());
	}
	}
	}
	}
	}