public static Object FromJsValue(this JsValue val)
{
switch (val.Type)
{
case Types.Boolean:
return val.AsBoolean();
case Types.Number:
return val.AsNumber();
case Types.String:
return val.AsString();
case Types.Object:
var obj = val.AsObject();
var node = obj as DomNodeInstance;
if (node != null)
return node.Value;
return obj;
case Types.Undefined:
return "undefined";
case Types.Null:
return null;
}
return val.ToObject();
}
public static object Uncast(this JsValue value)
{
if (value.IsBoolean()) {
return value.AsBoolean();
}
if (value.IsNumber()) {
return value.AsNumber();
}
if (value.IsObject()) {
return value.AsObject();
}
if (value.IsString()) {
return value.AsString();
}
return null;
}
internal static int CompareTo(this Value a, Value b)
{
a = a.Self();
b = b.Self();
if (a.IsNumber() && b.IsNumber())
return a.AsNumber().CompareTo(b.AsNumber());
if (a.Type != b.Type)
return -2; // invalid
switch (a.Type)
{
case GTType.Bool:
return ((GTBool)a).Value.CompareTo(((GTBool)b).Value);
case GTType.Function:
return a == b ? 0 : -1;
case GTType.List:
if (a.Count != b.Count)
return a.Count.CompareTo(b.Count);
for (int i = 0; i < a.Count; i++)
{
var comp = a[i].CompareTo(b[i]);
if (comp != 0)
return comp;
}
return 0;
case GTType.String:
return ((GTString)a).Value.CompareTo(((GTString)b).Value);
case GTType.Void:
return -1;
}
return -2;
}
/// <summary>
/// 判断给定的IP地址是否为内网IP。
/// </summary>
/// <param name="ipAddress">IP地址</param>
/// <returns>是否为内网IP</returns>
public static bool IsInnerIPAddress(this string ipAddress)
{
ipAddress = ipAddress == "::1" ? "127.0.0.1" : ipAddress;
var ipNumber = ipAddress.AsNumber();
// 私有IP：
// A类:10.0.0.0-10.255.255.255
// B类:172.16.0.0-172.31.255.255
// C类:192.168.0.0-192.168.255.255
// 当然，还有127这个网段是环回地址
var aBegin = AsNumber("10.0.0.0");
var aEnd = AsNumber("10.255.255.255");
var bBegin = AsNumber("172.16.0.0");
var bEnd = AsNumber("172.31.255.255");
var cBegin = AsNumber("192.168.0.0");
var cEnd = AsNumber("192.168.255.255");
return InRange(ipNumber, aBegin, aEnd) ||
InRange(ipNumber, bBegin, bEnd) ||
InRange(ipNumber, cBegin, cEnd) ||
ipAddress.Equals("127.0.0.1");
}
public static bool TryConvert(this IJsonValue value, out object propertyValue)
{
propertyValue = null;
if (!value.IsNull())
{
switch (value.ValueType)
{
case JsonValueType.Boolean:
propertyValue = value.AsBool().Value;
break;
case JsonValueType.Number:
propertyValue = value.AsNumber().Value;
break;
case JsonValueType.String:
propertyValue = value.AsString();
break;
case JsonValueType.Null:
break;
case JsonValueType.Object:
case JsonValueType.Array:
default:
return false;
}
}
return true;
}
/// <summary>
/// Try to convert a value to a CLR object.
/// </summary>
/// <param name="value">The value to convert.</param>
/// <param name="propertyValue">The converted value.</param>
/// <returns>
/// A value indicating whether the conversion was successful.
/// </returns>
public static bool TryConvert(this JToken value, out object propertyValue)
{
propertyValue = null;
if (!value.IsNull())
{
switch (value.Type)
{
case JTokenType.Boolean:
propertyValue = value.AsBool().Value;
break;
case JTokenType.Float:
case JTokenType.Integer:
propertyValue = value.AsNumber().Value;
break;
case JTokenType.String:
propertyValue = value.AsString();
break;
case JTokenType.Date:
propertyValue = value.ToObject<DateTime>().ToRoundtripDateString(); //win8 store json data serialization doesn't have Date type, and is always returning string type, we should do the same
break;
case JTokenType.Null:
break;
case JTokenType.Object:
case JTokenType.Array:
default:
return false;
}
}
return true;
}
/// <summary>
/// Try to convert a value to a CLR object.
/// </summary>
/// <param name="value">The value to convert.</param>
/// <param name="propertyValue">The converted value.</param>
/// <returns>
/// A value indicating whether the conversion was successful.
/// </returns>
public static bool TryConvert(this JToken value, out object propertyValue)
{
propertyValue = null;
if (!value.IsNull())
{
switch (value.Type)
{
case JTokenType.Boolean:
propertyValue = value.AsBool().Value;
break;
case JTokenType.Float:
case JTokenType.Integer:
propertyValue = value.AsNumber().Value;
break;
case JTokenType.String:
propertyValue = value.AsString();
break;
case JTokenType.Date:
propertyValue = value.ToObject<DateTime>(); // AsDateTime() doesn't make sense since DateTime is a reference not object type. (Can't use 'as' operator)
break;
case JTokenType.Null:
break;
case JTokenType.Object:
case JTokenType.Array:
default:
return false;
}
}
return true;
}
