// Return a double representation of JSValue.
// Boolean is converted to 0.0 or 1.0.
// Null, Object, and Array are 0.
public double AsDouble()
{
switch (Type)
{
case JSValueType.String: return(JSConverter.ToJSNumber(StringValue));
case JSValueType.Boolean: return(BooleanValue ? 1.0 : 0.0);
case JSValueType.Int64: return(Int64Value);
case JSValueType.Double: return(DoubleValue);
default: return(0);
}
}
// Return an Int64 representation of JSValue.
// String is converted to double first before converting to Int64.
// Boolean is converted to 0 or 1.
// Null, Object, and Array are 0.
public long AsInt64()
{
switch (Type)
{
case JSValueType.String: return(JSConverter.ToInt64(JSConverter.ToJSNumber(StringValue)));
case JSValueType.Boolean: return(BooleanValue ? 1 : 0);
case JSValueType.Int64: return(Int64Value);
case JSValueType.Double: return(JSConverter.ToInt64(DoubleValue));
default: return(0);
}
}
// Return a Double representation of JSValue. It is equivalent to JavaScript Number(value) result.
public double AsJSNumber()
{
switch (Type)
{
case JSValueType.Object:
case JSValueType.Array:
case JSValueType.String: return(JSConverter.ToJSNumber(AsJSString()));
case JSValueType.Boolean: return(BooleanValue ? 1 : 0);
case JSValueType.Int64: return(Int64Value);
case JSValueType.Double: return(DoubleValue);
default: return(0);
}
}
// Return a String representation of JSValue.
// Null is "null".
// Object and Array are empty strings "".
// Boolean is "true" or "false".
// Int64 is converted to string using integer representation.
// Double uses AsJSString() conversion which uses "NaN", "Infinity", and "-Infinity" for special values.
public string AsString()
{
switch (Type)
{
case JSValueType.Null: return(JSConverter.NullString);
case JSValueType.String: return(StringValue);
case JSValueType.Boolean: return(JSConverter.ToJSString(BooleanValue));
case JSValueType.Int64: return(Int64Value.ToString());
case JSValueType.Double: return(JSConverter.ToJSString(DoubleValue));
default: return("");
}
}
// Convert JSValue to a readable string that can be used for logging and debugging.
public override string ToString()
{
switch (Type)
{
case JSValueType.Null: return(JSConverter.NullString);
case JSValueType.Object:
{
var sb = new StringBuilder();
sb.Append("{");
bool start = true;
foreach (var prop in ObjectValue)
{
if (start)
{
start = false;
}
else
{
sb.Append(", ");
}
sb.Append(prop.Key);
sb.Append(": ");
sb.Append(prop.Value.ToString());
}
sb.Append("}");
return(sb.ToString());
}
case JSValueType.Array:
{
var sb = new StringBuilder();
sb.Append("[");
bool start = true;
foreach (var item in ArrayValue)
{
if (start)
{
start = false;
}
else
{
sb.Append(", ");
}
sb.Append(item.ToString());
}
sb.Append("]");
return(sb.ToString());
}
case JSValueType.String: return("\"" + StringValue + "\"");
case JSValueType.Boolean: return(JSConverter.ToJSString(BooleanValue));
case JSValueType.Int64: return(Int64Value.ToString());
case JSValueType.Double: return(JSConverter.ToJSString(DoubleValue));
default: return("<Unexpected>");
}
}
// Return a String representation of JSValue. It is equivalent to JavaScript String(value) result.
public string AsJSString()
{
StringBuilder WriteValue(StringBuilder sb, JSValue node)
{
switch (node.Type)
{
case JSValueType.Null: return(sb.Append(JSConverter.NullString));
case JSValueType.Object: return(sb.Append(JSConverter.ObjectString));
case JSValueType.Array:
{
bool start = true;
foreach (var item in node.ArrayValue)
{
if (start)
{
start = false;
}
else
{
sb.Append(',');
}
WriteValue(sb, item);
}
return(sb);
}
case JSValueType.String: return(sb.Append(node.StringValue));
case JSValueType.Boolean: return(sb.Append(JSConverter.ToJSString(node.BooleanValue)));
case JSValueType.Int64: return(sb.Append(node.Int64Value));
case JSValueType.Double: return(sb.Append(JSConverter.ToJSString(node.DoubleValue)));
default: return(sb);
}
}
switch (Type)
{
case JSValueType.Null: return(JSConverter.NullString);
case JSValueType.Object: return(JSConverter.ObjectString);
case JSValueType.Array:
{
StringBuilder sb = new StringBuilder();
WriteValue(sb, this);
return(sb.ToString());
}
case JSValueType.String: return(StringValue);
case JSValueType.Boolean: return(JSConverter.ToJSString(BooleanValue));
case JSValueType.Int64: return(Int64Value.ToString());
case JSValueType.Double: return(JSConverter.ToJSString(DoubleValue));
default: return("");
}
}
