internal static JArray Parse(CharReader reader)
{
// Purpose: Convert a partial string into a JArray
// Author : Scott Bakker
// Created: 09/13/2019
// LastMod: 08/11/2020
if (reader == null || reader.Peek() == -1)
{
return(null);
}
JArray result = new JArray();
JsonRoutines.SkipBOM(reader);
JsonRoutines.SkipWhitespace(reader);
if (reader.Peek() != '[')
{
throw new SystemException(
$"JSON Error: Unexpected token to start JArray: {reader.Peek()}");
}
reader.Read();
do
{
JsonRoutines.SkipWhitespace(reader);
// check for symbols
if (reader.Peek() == ']')
{
reader.Read();
break; // done building JArray
}
if (reader.Peek() == ',')
{
// this logic ignores extra commas, but is ok
reader.Read();
continue; // next value
}
if (reader.Peek() == '{') // JObject
{
JObject jo = JObject.Parse(reader);
result.Add(jo);
continue;
}
if (reader.Peek() == '[') // JArray
{
JArray ja = JArray.Parse(reader);
result.Add(ja);
continue;
}
// Get value as a string, convert to object
string tempValue = JsonRoutines.GetToken(reader);
result.Add(JsonRoutines.JsonValueToObject(tempValue));
} while (true);
return(result);
}
internal static JObject Parse(CharReader reader)
{
// Purpose: Convert a partial string into a JObject
// Author : Scott Bakker
// Created: 09/13/2019
// LastMod: 08/11/2020
if (reader == null || reader.Peek() == -1)
{
return(null);
}
JObject result = new JObject();
JsonRoutines.SkipBOM(reader);
JsonRoutines.SkipWhitespace(reader);
if (reader.Peek() != '{')
{
throw new SystemException(
$"JSON Error: Unexpected token to start JObject: {reader.Peek()}");
}
reader.Read();
do
{
JsonRoutines.SkipWhitespace(reader);
// check for symbols
if (reader.Peek() == '}')
{
reader.Read();
break; // done building JObject
}
if (reader.Peek() == ',')
{
// this logic ignores extra commas, but is ok
reader.Read();
continue; // Next key/value
}
string tempKey = JsonRoutines.GetToken(reader);
if (JsonRoutines.IsWhitespaceString(tempKey))
{
throw new SystemException(JsonKeyError);
}
if (tempKey.Length <= 2 || !tempKey.StartsWith("\"") || !tempKey.EndsWith("\""))
{
throw new SystemException($"JSON Error: Invalid key format: {tempKey}");
}
// Convert to usable key
tempKey = JsonRoutines.JsonValueToObject(tempKey).ToString();
if (JsonRoutines.IsWhitespaceString(tempKey.Substring(1, tempKey.Length - 2)))
{
throw new SystemException(JsonKeyError);
}
// Check for ":" between key and value
JsonRoutines.SkipWhitespace(reader);
if (JsonRoutines.GetToken(reader) != ":")
{
throw new SystemException($"JSON Error: Missing colon: {tempKey}");
}
// Get value
JsonRoutines.SkipWhitespace(reader);
if (reader.Peek() == '{') // JObject
{
JObject jo = JObject.Parse(reader);
result[tempKey] = jo;
continue;
}
if (reader.Peek() == '[') // JArray
{
JArray ja = JArray.Parse(reader);
result[tempKey] = ja;
continue;
}
// Get value as a string, convert to object
string tempValue = JsonRoutines.GetToken(reader);
result[tempKey] = JsonRoutines.JsonValueToObject(tempValue);
} while (true);
return(result);
}
