private object ParseNumberPrimitiveValue()
{
double num2;
int num3;
int characterCount = 1;
while (((this.tokenStartIndex + characterCount) < this.storedCharacterCount) || this.ReadInput())
{
char c = this.characterBuffer[this.tokenStartIndex + characterCount];
if (((!char.IsDigit(c) && (c != '.')) && ((c != 'E') && (c != 'e'))) && ((c != '-') && (c != '+')))
{
break;
}
characterCount++;
}
string s = this.ConsumeTokenToString(characterCount);
if (int.TryParse(s, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out num3))
{
return(num3);
}
if (!double.TryParse(s, NumberStyles.Float, (IFormatProvider)NumberFormatInfo.InvariantInfo, out num2))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_InvalidNumberFormat(s));
}
return(num2);
}
private bool EndOfInput()
{
if (this.scopes.Count > 1)
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_EndOfInputWithOpenScope);
}
this.nodeType = JsonNodeType.EndOfInput;
return(false);
}
private object ParseNullPrimitiveValue()
{
string a = this.ParseName();
if (!string.Equals(a, "null"))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedToken(a));
}
return(null);
}
private JsonNodeType ParseValue()
{
Scope local1 = this.scopes.Peek();
local1.ValueCount++;
char c = this.characterBuffer[this.tokenStartIndex];
switch (c)
{
case '"':
case '\'':
bool flag;
this.nodeValue = this.ParseStringPrimitiveValue(out flag);
if (flag)
{
object obj2 = TryParseDateTimePrimitiveValue((string)this.nodeValue);
if (obj2 != null)
{
this.nodeValue = obj2;
}
}
break;
case '[':
this.PushScope(ScopeType.Array);
this.tokenStartIndex++;
return(JsonNodeType.StartArray);
case 't':
case 'f':
this.nodeValue = this.ParseBooleanPrimitiveValue();
break;
case '{':
this.PushScope(ScopeType.Object);
this.tokenStartIndex++;
return(JsonNodeType.StartObject);
case 'n':
this.nodeValue = this.ParseNullPrimitiveValue();
break;
default:
if ((!char.IsDigit(c) && (c != '-')) && (c != '.'))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnrecognizedToken);
}
this.nodeValue = this.ParseNumberPrimitiveValue();
break;
}
this.TryPopPropertyScope();
return(JsonNodeType.PrimitiveValue);
}
private object ParseBooleanPrimitiveValue()
{
string a = this.ParseName();
if (string.Equals(a, "false"))
{
return(false);
}
if (!string.Equals(a, "true"))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedToken(a));
}
return(true);
}
private JsonNodeType ParseProperty()
{
Scope local1 = this.scopes.Peek();
local1.ValueCount++;
this.PushScope(ScopeType.Property);
this.nodeValue = this.ParseName();
if (string.IsNullOrEmpty((string)this.nodeValue))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_InvalidPropertyNameOrUnexpectedComma((string)this.nodeValue));
}
if (!this.SkipWhitespaces() || (this.characterBuffer[this.tokenStartIndex] != ':'))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_MissingColon((string)this.nodeValue));
}
this.tokenStartIndex++;
return(JsonNodeType.Property);
}
public virtual bool Read()
{
this.nodeValue = null;
if (!this.SkipWhitespaces())
{
return(this.EndOfInput());
}
Scope scope = this.scopes.Peek();
bool flag = false;
if (this.characterBuffer[this.tokenStartIndex] == ',')
{
flag = true;
this.tokenStartIndex++;
if (!this.SkipWhitespaces())
{
return(this.EndOfInput());
}
}
switch (scope.Type)
{
case ScopeType.Root:
if (flag)
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedComma(ScopeType.Root));
}
if (scope.ValueCount > 0)
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_MultipleTopLevelValues);
}
this.nodeType = this.ParseValue();
break;
case ScopeType.Array:
if (flag && (scope.ValueCount == 0))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedComma(ScopeType.Array));
}
if (this.characterBuffer[this.tokenStartIndex] == ']')
{
this.tokenStartIndex++;
if (flag)
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedComma(ScopeType.Array));
}
this.PopScope();
this.nodeType = JsonNodeType.EndArray;
}
else
{
if (!flag && (scope.ValueCount > 0))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_MissingComma(ScopeType.Array));
}
this.nodeType = this.ParseValue();
}
break;
case ScopeType.Object:
if (flag && (scope.ValueCount == 0))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedComma(ScopeType.Object));
}
if (this.characterBuffer[this.tokenStartIndex] == '}')
{
this.tokenStartIndex++;
if (flag)
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedComma(ScopeType.Object));
}
this.PopScope();
this.nodeType = JsonNodeType.EndObject;
}
else
{
if (!flag && (scope.ValueCount > 0))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_MissingComma(ScopeType.Object));
}
this.nodeType = this.ParseProperty();
}
break;
case ScopeType.Property:
if (flag)
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedComma(ScopeType.Property));
}
this.nodeType = this.ParseValue();
break;
default:
throw JsonReaderExtensions.CreateException(Strings.General_InternalError(InternalErrorCodes.JsonReader_Read));
}
return(true);
}
private string ParseStringPrimitiveValue(out bool hasLeadingBackslash)
{
hasLeadingBackslash = false;
char ch = this.characterBuffer[this.tokenStartIndex];
this.tokenStartIndex++;
StringBuilder stringValueBuilder = null;
int characterCount = 0;
while (((this.tokenStartIndex + characterCount) < this.storedCharacterCount) || this.ReadInput())
{
char ch2 = this.characterBuffer[this.tokenStartIndex + characterCount];
if (ch2 == '\\')
{
int num2;
if ((characterCount == 0) && (stringValueBuilder == null))
{
hasLeadingBackslash = true;
}
if (stringValueBuilder == null)
{
if (this.stringValueBuilder == null)
{
this.stringValueBuilder = new StringBuilder();
}
else
{
this.stringValueBuilder.Length = 0;
}
stringValueBuilder = this.stringValueBuilder;
}
stringValueBuilder.Append(this.ConsumeTokenToString(characterCount));
characterCount = 0;
if (!this.EnsureAvailableCharacters(2))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnrecognizedEscapeSequence(@"\"));
}
ch2 = this.characterBuffer[this.tokenStartIndex + 1];
this.tokenStartIndex += 2;
switch (ch2)
{
case '/':
case '\\':
case '"':
case '\'':
{
stringValueBuilder.Append(ch2);
continue;
}
case 'b':
{
stringValueBuilder.Append('\b');
continue;
}
case 'f':
{
stringValueBuilder.Append('\f');
continue;
}
case 'r':
{
stringValueBuilder.Append('\r');
continue;
}
case 't':
{
stringValueBuilder.Append('\t');
continue;
}
case 'u':
if (!this.EnsureAvailableCharacters(4))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnrecognizedEscapeSequence(@"\uXXXX"));
}
break;
case 'n':
{
stringValueBuilder.Append('\n');
continue;
}
default:
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnrecognizedEscapeSequence(@"\" + ch2));
}
string s = this.ConsumeTokenToString(4);
if (!int.TryParse(s, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out num2))
{
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnrecognizedEscapeSequence(@"\u" + s));
}
stringValueBuilder.Append((char)num2);
continue;
}
if (ch2 == ch)
{
string str2 = this.ConsumeTokenToString(characterCount);
this.tokenStartIndex++;
if (stringValueBuilder != null)
{
stringValueBuilder.Append(str2);
str2 = stringValueBuilder.ToString();
}
return(str2);
}
characterCount++;
}
throw JsonReaderExtensions.CreateException(Strings.JsonReader_UnexpectedEndOfString);
}
