public IEnumerable <bool> Parse()
{
LastCharIndex = -1;
JSONPart Expected = JSONPart.VALUE;
Stack <Dictionary <string, JsonObject> > ListStack = new Stack <Dictionary <string, JsonObject> >();
Stack <JsonObject> JsonStack = new Stack <JsonObject>();
JsonObject CurrentJsonObject = new JsonObject("");
var trimChars = new char[] { '"', '\'', ' ', '\n', '\r', '\t' };
var startTime = DateTime.Now;
while (LastCharIndex < Serialized.Length - 1)
{
var charIndex = -1;
switch (Expected)
{
case JSONPart.VALUE:
charIndex = Serialized.IndexOfAny(new char[] { '{', '}', ',' }, LastCharIndex + 1);
if (charIndex == -1)
{
throw new UnexpectedCharacterException(new char[] { '{', '}', ',' }, "EOF", LastCharIndex);
}
//Console.WriteLine("Expecting Value...");
//Console.WriteLine("Found " + Serialized[charIndex] + " (" + charIndex + ")");
switch (Serialized[charIndex])
{
case '{':
CurrentJsonObject.SetValue(new Dictionary <string, JsonObject>());
JsonStack.Push(CurrentJsonObject);
CurrentJsonObject = new JsonObject();
Expected = JSONPart.KEY;
break;
case '}':
case ',':
var value = Serialized.Substring(LastCharIndex + 1, charIndex - LastCharIndex - 1).Trim(trimChars);
//Console.WriteLine("value is: '" + value + "'");
CurrentJsonObject.SetValue(value);
if (Serialized[charIndex] == '}')
{
if (charIndex < Serialized.Length - 1 && Serialized[charIndex + 1] == ',')
{
charIndex++;
}
CurrentJsonObject = JsonStack.Pop();
}
Expected = JSONPart.KEY;
break;
}
LastCharIndex = charIndex;
break;
case JSONPart.KEY:
charIndex = Serialized.IndexOfAny(new char[] { '}', ':' }, LastCharIndex + 1);
//Console.WriteLine("Expecting Key...");
//Console.WriteLine("Found " + Serialized[charIndex] + " (" + charIndex + ")");
if (charIndex == -1)
{
throw new UnexpectedCharacterException(new char[] { '}', ':' }, "EOF", LastCharIndex);
}
switch (Serialized[charIndex])
{
case '}':
if (charIndex < Serialized.Length - 1 && Serialized[charIndex + 1] == ',')
{
charIndex++;
}
CurrentJsonObject = JsonStack.Pop();
Expected = JSONPart.KEY;
break;
case ':':
var key = Serialized.Substring(LastCharIndex + 1, charIndex - LastCharIndex - 1).Trim(trimChars);
//Console.WriteLine("key is: '" + key + "'");
CurrentJsonObject = new JsonObject(key);
JsonStack.Peek().GetValue()
.Add(CurrentJsonObject.Key, CurrentJsonObject);
Expected = JSONPart.VALUE;
break;
}
LastCharIndex = charIndex;
break;
}
//Console.WriteLine("Iteration done, CurrentJsonObject is: '" + CurrentJsonObject.Key + "'");
if (DateTime.Now - startTime > TimeSpan.FromMilliseconds(30))
{
yield return(false);
startTime = DateTime.Now;
}
}
Result = CurrentJsonObject;
yield return(true);
}
public IEnumerable <bool> Parse()
{
LastCharIndex = -1;
JSONPart Expected = JSONPart.VALUE;
Stack <Dictionary <string, JsonElement> > ListStack = new Stack <Dictionary <string, JsonElement> >();
Stack <IJsonNonPrimitive> JsonStack = new Stack <IJsonNonPrimitive>();
IJsonNonPrimitive CurrentNestedJsonObject = null;
IJsonNonPrimitive LastNestedJsonObject = null;
//Func<object, JsonObject> Generator = JsonObject.NewJsonObject("", readOnly);
var trimChars = new char[] { '"', '\'', ' ', '\n', '\r', '\t', '\f' };
string Key = "";
var keyDelims = new char[] { '}', ':' };
var valueDelims = new char[] { '{', '}', ',', '[', ']' };
var expectedDelims = valueDelims;
var charIndex = -1;
bool isInsideList = false;
while (LastCharIndex < Serialized.Length - 1)
{
charIndex = Serialized.IndexOfAny(expectedDelims, LastCharIndex + 1);
if (charIndex == -1)
{
throw new UnexpectedCharacterException(expectedDelims, "EOF", LastCharIndex);
}
char foundChar = Serialized[charIndex];
if (Expected == JSONPart.VALUE)
{
//Console.WriteLine("Expecting Value...");
//Console.WriteLine("Found " + Serialized[charIndex] + " (" + charIndex + ")");
switch (foundChar)
{
case '[':
CurrentNestedJsonObject = new JsonList(Key);
JsonStack.Peek().Add(CurrentNestedJsonObject as JsonElement);
JsonStack.Push(CurrentNestedJsonObject);
//Console.WriteLine("List started");
break;
case '{':
//Console.WriteLine("Found new JsonObject");
CurrentNestedJsonObject = new JsonObject(Key);
if (JsonStack.Count > 0)
{
JsonStack.Peek().Add(CurrentNestedJsonObject as JsonElement);
}
JsonStack.Push(CurrentNestedJsonObject);
Expected = JSONPart.KEY;
expectedDelims = keyDelims;
break;
case ',':
case '}':
case ']':
var value = Serialized.Substring(LastCharIndex + 1, charIndex - LastCharIndex - 1).Trim(trimChars);
//Console.WriteLine("value is: '" + value + "'");
JsonStack.Peek().Add(new JsonPrimitive(Key, value));
if (foundChar == '}' || foundChar == ']')
{
/*if (foundChar == ']')
* {
* Console.WriteLine("Leaving List...");
* }
* else
* {
* Console.WriteLine("Leaving JsonObject...");
* }*/
if (charIndex < Serialized.Length - 1 && Serialized[charIndex + 1] == ',')
{
charIndex++;
}
LastNestedJsonObject = JsonStack.Pop();
}
break;
}
isInsideList = JsonStack.Count == 0 || JsonStack.Peek() is JsonList;
if (isInsideList)
{
Key = null;
Expected = JSONPart.VALUE;
expectedDelims = valueDelims;
}
else
{
Expected = JSONPart.KEY;
expectedDelims = keyDelims;
}
}
else if (Expected == JSONPart.KEY)
{
//Console.WriteLine("Expecting Key...");
//Console.WriteLine("Found " + Serialized[charIndex] + " (" + charIndex + ")");
switch (Serialized[charIndex])
{
case ':':
Key = Serialized.Substring(LastCharIndex + 1, charIndex - LastCharIndex - 1).Trim(trimChars);
//Console.WriteLine("key is: '" + Key + "'");
//Generator = JsonObject.NewJsonObject(Key, readOnly);
Expected = JSONPart.VALUE;
expectedDelims = valueDelims;
break;
case '}':
//Console.WriteLine("Leaving JsonObject...");
if (charIndex < Serialized.Length - 1 && Serialized[charIndex + 1] == ',')
{
charIndex++;
}
LastNestedJsonObject = JsonStack.Pop();
break;
default:
//Console.WriteLine($"Invalid character found: '{Serialized[charIndex]}', expected ':'!");
break;
}
}
LastCharIndex = charIndex;
//Console.WriteLine("Iteration done, CurrentJsonObject is: '" + CurrentNestedJsonObject.Key + "'");
if (ShouldPause())
{
yield return(false);
}
}
Result = LastNestedJsonObject as JsonElement;
yield return(true);
}