private void ReadArray(System.IO.StreamReader sr)
{
int i;
List <JsonNode> array = new List <JsonNode>();
this.SetValue(array);
bool isOpen = false;
bool allowNext = true;
char lastChar = '\0';
while ((i = sr.Peek()) >= 0)
{
char c = (char)i;
if (!(c == ' ' || c == '\t' || c == '\n' || c == '\r'))
{
if (isOpen)
{
if (c == ']')
{
c = (i = sr.Read()) > 0 ? (char)c : '\0';
lastChar = c;
break;
}
else if (allowNext)
{
JsonNode node = new JsonNode();
node.Read(sr);
array.Add(node);
allowNext = false;
lastChar = '\0';
continue;
}
else if (c == ',')
{
allowNext = true;
}
else
{
throw new Exception("Parsing Object failed: Expected ',' or ']', got '" + c + '\'');
}
}
else
{
if (c != '[')
{
throw new Exception("Parsing Object failed: Expected '{', got '" + c + '\'');
}
isOpen = true;
allowNext = true;
}
}
c = (i = sr.Read()) > 0 ? (char)c : '\0';
lastChar = c;
}
}
private void ReadObject(System.IO.StreamReader sr)
{
int i;
bool isOpen = false;
bool hasLabel = false;
bool getNextValue = false;
bool getNextKeySet = false;
string label = "";
char lastChar = '\0';
Dictionary <string, JsonNode> dict = new Dictionary <string, JsonNode>();
this.SetValue(dict);
while ((i = sr.Peek()) >= 0)
{
char c = (char)i;
if (!(c == ' ' || c == '\t' || c == '\n' || c == '\r'))
{
if (isOpen)
{ //node is opened ('{' already got read) and ready to be parsed
if (hasLabel)
{ //Label for current object item was already started and thus can be
if (getNextKeySet)
{ //Next key set needs to be received (value already parsed) or the current object has to be closed
if (c == ',')
{
hasLabel = false;
getNextKeySet = false;
getNextValue = false;
hasLabel = false;
}
else if (c == '}')
{
c = (char)sr.Read();
lastChar = c;
break;
}
else
{
throw new Exception("Parsing Object failed: Expected ',' or '}', got '" + c + '\'');
}
}
else if (getNextValue)
{//Next value of current label needs to get parsed
JsonNode child = new JsonNode();
child.Read(sr);
dict.Add(label, child);
getNextKeySet = true;
lastChar = '\0';
continue;
}
else
{//Separator for label and string expected
if (c != ':')
{
throw new Exception("Parsing Object failed: Expected '\"', got '" + c + '\'');
}
getNextValue = true;
}
}
else
{//No label yet found --> get label of current item
if (c != '"')
{
throw new Exception("Parsing Object failed: Expected '\"', got '" + c + '\'');
}
label = ParseStringFromEncoded(sr);
hasLabel = true;
lastChar = '"';
continue;
}
}
else
{//node yet has to be opened
if (c != '{')
{
throw new Exception("Parsing Object failed: Expected '{', got '" + c + '\'');
}
isOpen = true;
}
}
c = (i = sr.Read()) > 0 ? (char)c : '\0';
lastChar = c;
}
if (lastChar != '}')
{
throw new Exception("Parsing Object failed: Expected '}', got '" + lastChar + '\'');
}
}
