private Result(JSONObject obj)
{
if (obj == null)
{
throw new ArgumentException("json object cannot be null");
}
_isArray = false;
_json = obj;
_array = null;
}
private Result(JSONArray obj)
{
if (obj == null)
{
throw new ArgumentException("json object cannot be null");
}
_isArray = true;
_json = null;
_array = obj;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 07JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Produce a JSONArray containing the values of the members of this
* JSONObject.
* @param names A JSONArray containing a list of key strings. This
* determines the sequence of the values in the result.
* @return A JSONArray of values.
* @throws JSONException If any of the values are non-finite numbers.
*/
public JSONArray ToJSONArray(JSONArray names)
{
if (names == null || names.Length() == 0)
{
return null;
}
var ja = new JSONArray();
for (var i = 0; i < names.Length(); i += 1)
{
ja.Put(Opt(names.GetString(i)));
}
return ja;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 07JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Produce a JSONArray containing the names of the elements of this
* JSONObject.
* @return A JSONArray containing the key strings, or null if the JSONObject
* is empty.
*/
public JSONArray Names()
{
var ja = new JSONArray();
var keyset = Keys();
foreach (var o in keyset)
{
ja.Put(o);
}
return ja.Length() == 0 ? null : ja;
}
internal static JSONObject Apply(JSONArray start, ArrayList tokens,
int firstToken)
{
if (start == null)
{
return null;
}
var nTokens = tokens.Count;
for (var i = firstToken; i < nTokens; )
{
var tok1 = (string)tokens[i];
var t1 = tok1[0];
switch (t1)
{
case SEPARATOR:
throw new JSONException("Syntax error: must start with an "
+ "array: " + tok1);
case ARRAY_START:
if (i + 1 >= nTokens)
{
throw new JSONException("Syntax error: array must be " +
"followed by a dimension: " + tok1);
}
var tok2 = (string)tokens[i + 1];
int dim ;
try
{
dim = int.Parse(tok2);
}
catch (FormatException)
{
throw new JSONException("Syntax error: illegal " +
"array dimension: " + tok2);
}
if (i + 2 >= nTokens)
{
throw new JSONException("Syntax error: array " +
"dimension must be closed: " + tok2);
}
var tok3 = (string)tokens[i + 2];
if (tok3.Length != 1 && tok3[0] != ARRAY_END)
{
throw new JSONException("Syntax error: illegal " +
"close of array dimension: " + tok3);
}
if (i + 3 >= nTokens)
{
throw new JSONException("Syntax error: array close " +
"must be followed by a separator or " +
"array open: " + tok3);
}
var tok4 = (string)tokens[i + 3];
if (tok4.Length != 1 && tok4[0]
!= SEPARATOR && tok4[0] != ARRAY_START)
{
throw new JSONException("Syntax error: illegal " +
"separator after array: " + tok4);
}
i += 4;
if (tok4[0] == SEPARATOR)
{
return JSONObject.Apply(start.OptJSONObject(dim), tokens, i);
}
if (tok4[0] == ARRAY_START)
{
return Apply(start.OptJSONArray(dim), tokens, i);
}
throw new JSONException("Syntax error: illegal" +
" token after array: " + tok4);
default:
throw new JSONException("Syntax error: unknown" +
" delimiter: " + tok1);
}
}
return null;
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 07JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Produce a JSONObject by combining a JSONArray of names with the values
* of this JSONArray.
* @param names A JSONArray containing a list of key strings. These will be
* paired with the values.
* @return A JSONObject, or null if there are no names or if this JSONArray
* has no values.
* @ If any of the names are null.
*/
public JSONObject ToJSONObject(JSONArray names)
{
if (names == null || names.Length() == 0 || Length() == 0)
{
return null;
}
var jo = new JSONObject();
for (int i = 0; i < names.Length(); i += 1)
{
jo.Put(names.GetString(i), Opt(i));
}
return jo;
}