/// <inheritdoc />
public JsonItem ParseNext()
{
this.state = JsonStringParseState.Start;
while (this.state != JsonStringParseState.End)
{
if (this.Buffer.EndOfStream)
{
this.MakeEosError('\"');
}
switch (this.state)
{
case JsonStringParseState.Start:
if (this.Consume('"'))
{
this.state = JsonStringParseState.InString;
}
else
{
return this.MakeError('"');
}
break;
case JsonStringParseState.InString:
if (this.Consume('\\'))
{
this.state = JsonStringParseState.Escaping;
}
else if (this.Consume('"'))
{
this.state = JsonStringParseState.End;
}
else if (this.Pop())
{
this.stringBuilder.Append(this.OutChar);
}
break;
case JsonStringParseState.InHex:
ushort value = 0;
for (int i = 0; i < 4; i++)
{
if (this.Consume(Hex))
{
value <<= 4;
value |= ushort.Parse(this.OutChar.ToString(CultureInfo.InvariantCulture), NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
}
else
{
return this.MakeError(Hex);
}
}
this.stringBuilder.Append((char)value);
this.state = JsonStringParseState.InString;
break;
case JsonStringParseState.Escaping:
if (this.Consume('"', '\\', '/'))
{
this.state = JsonStringParseState.InString;
this.stringBuilder.Append(this.OutChar);
}
else if (this.Consume('b', 'f', 'n', 'r', 't', 'u'))
{
switch (this.OutChar)
{
case 'b':
this.stringBuilder.Append('\b');
this.state = JsonStringParseState.InString;
break;
case 'f':
this.stringBuilder.Append('\f');
this.state = JsonStringParseState.InString;
break;
case 'n':
this.stringBuilder.Append('\n');
this.state = JsonStringParseState.InString;
break;
case 'r':
this.stringBuilder.Append('\r');
this.state = JsonStringParseState.InString;
break;
case 't':
this.stringBuilder.Append('\t');
this.state = JsonStringParseState.InString;
break;
case 'u':
this.state = JsonStringParseState.InHex;
break;
}
}
else if (this.Pop())
{
this.stringBuilder.Append(this.OutChar);
this.state = JsonStringParseState.InString;
}
else
{
return this.MakeError('"', '\\', '/', 'b', 'f', 'n', 'r', 't', 'u');
}
break;
}
}
return new JsonString(this.stringBuilder.ToString());
}
/// <inheritdoc />
public JsonItem ParseNext()
{
this.state = JsonStringParseState.Start;
while (this.state != JsonStringParseState.End)
{
if (this.Buffer.EndOfStream)
{
this.MakeEosError('\"');
}
switch (this.state)
{
case JsonStringParseState.Start:
if (this.Consume('"'))
{
this.state = JsonStringParseState.InString;
}
else
{
return(this.MakeError('"'));
}
break;
case JsonStringParseState.InString:
if (this.Consume('\\'))
{
this.state = JsonStringParseState.Escaping;
}
else if (this.Consume('"'))
{
this.state = JsonStringParseState.End;
}
else if (this.Pop())
{
this.stringBuilder.Append(this.OutChar);
}
break;
case JsonStringParseState.InHex:
ushort value = 0;
for (int i = 0; i < 4; i++)
{
if (this.Consume(Hex))
{
value <<= 4;
value |= ushort.Parse(this.OutChar.ToString(CultureInfo.InvariantCulture), NumberStyles.AllowHexSpecifier, CultureInfo.InvariantCulture);
}
else
{
return(this.MakeError(Hex));
}
}
this.stringBuilder.Append((char)value);
this.state = JsonStringParseState.InString;
break;
case JsonStringParseState.Escaping:
if (this.Consume('"', '\\', '/'))
{
this.state = JsonStringParseState.InString;
this.stringBuilder.Append(this.OutChar);
}
else if (this.Consume('b', 'f', 'n', 'r', 't', 'u'))
{
switch (this.OutChar)
{
case 'b':
this.stringBuilder.Append('\b');
this.state = JsonStringParseState.InString;
break;
case 'f':
this.stringBuilder.Append('\f');
this.state = JsonStringParseState.InString;
break;
case 'n':
this.stringBuilder.Append('\n');
this.state = JsonStringParseState.InString;
break;
case 'r':
this.stringBuilder.Append('\r');
this.state = JsonStringParseState.InString;
break;
case 't':
this.stringBuilder.Append('\t');
this.state = JsonStringParseState.InString;
break;
case 'u':
this.state = JsonStringParseState.InHex;
break;
}
}
else if (this.Pop())
{
this.stringBuilder.Append(this.OutChar);
this.state = JsonStringParseState.InString;
}
else
{
return(this.MakeError('"', '\\', '/', 'b', 'f', 'n', 'r', 't', 'u'));
}
break;
}
}
return(new JsonString(this.stringBuilder.ToString()));
}
