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/// <summary>
/// Class Name：JSONConvert
/// Description：JSON Class as JAVA's
/// Authors：ppgame (The deserialization part is by ppgame. The serialization part is from http://www.mzwu.com/)
/// Email: ppgame.mit@gmail.com
/// Date：2012-08-07
/// </summary>
public static class JSONConvert
{
#region Global Variables
private static char[] _charary;
private static int _aryend;
#endregion
#region JSON Deserialization
/// <summary>
/// Convert string to JSONObject
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private static JSONObject DeserializeSingletonObject(ref int left)
{
JSONObject localjson = new JSONObject();
while (left <= _aryend)
{
char c = _charary[left];
if (c == ' ' || c == '\r' || c == '\n' || c == '\t') //skip empty char
{
left++;
continue;
}
if (c == ',')
{
left++;
continue;
}
char r = '\0';
if (c == '\"' || c == '\'') //beginning of key
{
left++;
r = c;
}
else if (c == '}') //end of JSONObject
{
left++;
break;
}
int column = left;
while (!((_charary[column] == r || r == '\0') && _charary[column - 1] != '\\' && _charary[column + 1] == ':')) column++;
if (r == '\0') column++;
string key = new string(_charary, left, column - left); //get the key
if (r == '\0')
left = column + 1;
else
left = column + 2;
c = _charary[left];
while (c == ' ' || c == '\r' || c == '\n' || c == '\t') //skip empty char
{
left++;
c = _charary[left];
}
if (c == '\"' || c == '\'') //if value is string
{
left++;
int strend = left;
while (_charary[strend] != c || _charary[strend - 1] == '\\') strend++;
localjson[key] = new string(_charary, left, strend - left);
left = strend + 1;
}
else if (c == '{') // JSONObject
{
left++;
localjson[key] = DeserializeSingletonObject(ref left);
}
else if (c == '[') //JSONArray
{
left++;
localjson[key] = DeserializeSingletonArray(ref left);
}
else
{
//other class, such as boolean, int
//all are converted to string, it can be enriched if in need
int comma = left;
char co = _charary[comma];
while (co != ',' && co != '}')
{
comma++;
co = _charary[comma];
}
int em = comma - 1;
co = _charary[em];
while (co == ' ' || co == '\r' || co == '\n' || co == '\t')
{
em--;
co = _charary[em];
}
localjson[key] = new string(_charary, left, em - left + 1);
left = comma;
}
}
return localjson;
}
/// <summary>
/// Convert string to JSONArray
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private static JSONArray DeserializeSingletonArray(ref int left)
{
JSONArray jsary = new JSONArray();
while (left <= _aryend)
{
char c = _charary[left];
if (c == ' ' || c == '\r' || c == '\n' || c == '\t') //skip empty char
{
left++;
continue;
}
if (c == ',')
{
left++;
continue;
}
if (c == ']')
{
left++;
break;
}
if (c == '{') //JSONObject
{
left++;
jsary.Add(DeserializeSingletonObject(ref left));
}
else if (c == '[') //JSONArray
{
left++;
jsary.Add(DeserializeSingletonArray(ref left));
}
else if (c == '\"' || c == '\'') //string
{
left++;
int strend = left;
while (_charary[strend] != c || _charary[strend - 1] == '\\') strend++;
jsary.Add(new string(_charary, left, strend - left));
left = strend + 1;
}
else
{
//other class, such as boolean, int
//all are converted to string, it can be enriched if in need
int comma = left;
char co = _charary[comma];
while (co != ',' && co != ']')
{
comma++;
co = _charary[comma];
}
int em = comma - 1;
co = _charary[em];
while (co == ' ' || co == '\r' || co == '\n' || co == '\t')
{
em--;
co = _charary[em];
}
jsary.Add(new string(_charary, left, em - left + 1));
left = comma;
}
}
return jsary;
}
#endregion
#region Public Interface
/// <summary>
/// Get a JSONObject instance from char[]
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static JSONObject DeserializeCharToObject(char[] input)
{
_charary = input;
_aryend = _charary.Length - 1;
while (_aryend > 0)
if (_charary[_aryend] != '}')
_aryend--;
else
break;
int start = 0;
while (start < _aryend)
if (_charary[start] != '{')
start++;
else
break;
start++;
if (_aryend < start + 1)
return null;
return DeserializeSingletonObject(ref start);
}
/// <summary>
/// Get a JSONObject instance from string
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static JSONObject DeserializeObject(string input)
{
return DeserializeCharToObject(input.ToCharArray()); //The first char must be '{'
}
/// <summary>
/// Get a JSONArray instance from char[]
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static JSONArray DeserializeCharsToArray(char[] input)
{
_charary = input;
_aryend = _charary.Length - 1;
while (_aryend > 0)
if (_charary[_aryend] != ']')
_aryend--;
else
break;
int start = 0;
while (start < _aryend)
if (_charary[start] != '[')
start++;
else
break;
start++;
if (_aryend < start + 1)
return null;
return DeserializeSingletonArray(ref start);
}
/// <summary>
/// Get a JSONArray instance from string
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
public static JSONArray DeserializeArray(string input)
{
return DeserializeCharsToArray(input.ToCharArray());
}
/// <summary>
/// Serialize a JSONObject instance
/// </summary>
/// <param name="jsonObject"></param>
/// <returns></returns>
public static string SerializeObject(JSONObject jsonObject)
{
StringBuilder sb = new StringBuilder();
sb.Append("{");
foreach (KeyValuePair<string, object> kvp in jsonObject)
{
if (kvp.Value is JSONObject)
{
sb.Append(string.Format("\"{0}\":{1},", kvp.Key, SerializeObject((JSONObject)kvp.Value)));
}
else if (kvp.Value is JSONArray)
{
sb.Append(string.Format("\"{0}\":{1},", kvp.Key, SerializeArray((JSONArray)kvp.Value)));
}
else if (kvp.Value is string)
{
sb.Append(string.Format("\"{0}\":\"{1}\",", kvp.Key, kvp.Value));
}
else
{
sb.Append(string.Format("\"{0}\":\"{1}\",", kvp.Key, ""));
}
}
if (sb.Length > 1)
sb.Remove(sb.Length - 1, 1);
sb.Append("}");
return sb.ToString();
}
/// <summary>
/// Serialize a JSONArray instance
/// </summary>
/// <param name="jsonArray"></param>
/// <returns></returns>
public static string SerializeArray(JSONArray jsonArray)
{
StringBuilder sb = new StringBuilder();
sb.Append("[");
for (int i = 0; i < jsonArray.Count; i++)
{
if (jsonArray[i] is JSONObject)
{
sb.Append(string.Format("{0},", SerializeObject((JSONObject)jsonArray[i])));
}
else if (jsonArray[i] is JSONArray)
{
sb.Append(string.Format("{0},", SerializeArray((JSONArray)jsonArray[i])));
}
else if (jsonArray[i] is string)
{
sb.Append(string.Format("\"{0}\",", jsonArray[i]));
}
else
{
sb.Append(string.Format("\"{0}\",", ""));
}
}
if (sb.Length > 1)
sb.Remove(sb.Length - 1, 1);
sb.Append("]");
return sb.ToString();
}
#endregion
}
/// <summary>
/// Class Name：JSONObject
/// Description：JSON Class
/// Author：dnawo
/// Website：http://www.mzwu.com/
/// Date：2010-01-06
/// Version：1.1.0
/// </summary>
public class JSONObject : Dictionary<string, object>
{
public void put(string key, string value)
{
this[key] = value;
}
public void put(string key, int value)
{
this[key] = value.ToString();
}
}
/// <summary>
/// Class Name：JSONArray
/// Description：JSONArray Class
/// Author：dnawo
/// Website：http://www.mzwu.com/
/// Date：2010-01-06
/// Version：1.1.0
/// </summary>
public class JSONArray : List<object>
{ }