/// <summary>
/// 입력한 이름에 해당하는 하위 JValue를 가져옵니다.
/// </summary>
/// <param name="key">이름</param>
/// <returns>입력한 이름에 존재하는 JValue 값.</returns>
/// <example>
/// <code>
/// var x = JValue.Parse("{hello:{world:10}}");
/// Trace.Assert(x["hello"]["world"] == 10);
/// </code>
/// </example>
public JValue Get(string key)
{
if (Type == TypeCode.Object)
{
int end = startIndex + length - 1;
int kStart = SkipWhitespaces(startIndex + 1);
while (kStart < end)
{
int kEnd = SkipString(kStart);
int vStart = SkipWhitespaces(kEnd + 1);
int vEnd = SkipValue(vStart);
kStart++; // remove quotes
kEnd--; // remove quotes
if (key.Length == kEnd - kStart &&
JValueExtension.Equals(key, 0, source, kStart, key.Length))
{
return(new JValue(source, vStart, vEnd - vStart));
}
kStart = SkipWhitespaces(vEnd + 1);
}
}
return(JValue.Null);
}
private long AsLongActually(long defaultValue = 0)
{
if (IsInteger())
{
return(JValueExtension.Parse(source, startIndex, length, defaultValue));
}
else
{
return((long)JValueExtension.Parse(source, startIndex, length, (double)defaultValue));
}
}
private int AsIntActually(int defaultValue = 0)
{
if (IsInteger())
{
return(JValueExtension.Parse(source, startIndex, length, defaultValue));
}
else
{
return((int)JValueExtension.Parse(source, startIndex, length, (double)defaultValue));
}
}
public double AsDouble(double defaultValue = 0.0)
{
switch (Type)
{
case TypeCode.Boolean:
return(AsBooleanActually() ? 1 : 0);
case TypeCode.Number:
return(AsDoubleActually(defaultValue));
case TypeCode.String:
return(JValueExtension.Parse(source, startIndex + 1, length - 2, defaultValue));
default:
return(defaultValue);
}
}
private double AsDoubleActually(double defaultValue = 0.0)
{
return(JValueExtension.Parse(source, startIndex, length, defaultValue));
}
private float AsFloatActually(float defaultValue = 0.0f)
{
return(JValueExtension.Parse(source, startIndex, length, defaultValue));
}