/// <summary>
/// 测试值的类型,光标将会跳过空白，但不会跳过值开始第一个字符
/// </summary>
/// <param name="str"></param>
/// <param name="offset"></param>
/// <param name="line"></param>
/// <param name="column"></param>
/// <returns></returns>
private ObjectTypes TestValueType(SimpleReader reader)
{
var c = reader.Peek(true);
switch (c)
{
case '[':
return(ObjectTypes.Array);
case '{':
return(ObjectTypes.Object);
case '\"':
return(ObjectTypes.String);
default:
if (c == 't' && reader.TestString("true", false))
{
return(ObjectTypes.Boolean);
}
else if (c == 'f' && reader.TestString("false", false))
{
return(ObjectTypes.Boolean);
}
else if (c >= '0' && c <= '9')
{
return(ObjectTypes.Number);
}
break;
}
throw new ParseException("无法识别的类型", reader);
}
/// <summary>
/// 读取 true/false 字符串。
/// 要求光标必须放在 t 或是 false 上面
/// </summary>
/// <param name="reader"></param>
/// <returns></returns>
private string ReadBooleanValue(SimpleReader reader)
{
if (reader.TestString("true", true))
{
return("true");
}
else if (reader.TestString("false", true))
{
return("false");
}
throw new ParseException("ReadBooleanValue异常", reader);
}