public static JProperty UpdateProperty(JObject jsonObject, WValueExpression fieldName, WValueExpression fieldValue)
{
string key = fieldName.Value;
//
// Special treat when fieldValue indicates null (that is, to remove a property)
// NOTE: fieldValue itself != null
//
if (!fieldValue.SingleQuoted && fieldValue.Value.Equals("null", StringComparison.OrdinalIgnoreCase))
{
jsonObject.Property(key)?.Remove();
return(null);
}
//
// JSON requires a lower case string if it is a boolean value
//
bool boolValue;
if (!fieldValue.SingleQuoted && bool.TryParse(fieldValue.Value, out boolValue))
{
jsonObject[key] = (JToken)boolValue;
}
else
{
jsonObject[key] = JToken.Parse(fieldValue.ToString());
}
return(jsonObject.Property(key));
}
public static JValue ToJValue(this WValueExpression expr)
{
//
// Special treat when fieldValue indicates null (that is, to remove a property)
// NOTE: fieldValue itself != null
//
if (!expr.SingleQuoted && expr.Value.Equals("null", StringComparison.OrdinalIgnoreCase))
{
return(null);
}
//
// JSON requires a lower case string if it is a boolean value
//
bool boolValue;
if (!expr.SingleQuoted && bool.TryParse(expr.Value, out boolValue))
{
return((JValue)boolValue);
}
else if (expr.SingleQuoted)
{
return((JValue)expr.Value); // String value
}
else
{
return((JValue)JToken.Parse(expr.ToString()));
}
}
public override void Visit(WValueExpression node)
{
string value = node.ToString("");
// TODO: double check, how to use boolean type in database?
// if (value == "true" || value == "false")
// {
// value = $"'{value}'";
// }
this.dfsStack.Push(value);
}
public static JValue ToJValue(this WValueExpression expr)
{
//
// JSON requires a lower case string if it is a boolean value
//
bool boolValue;
if (!expr.SingleQuoted && bool.TryParse(expr.Value, out boolValue))
{
return((JValue)boolValue);
}
else if (expr.SingleQuoted)
{
return((JValue)expr.Value); // String value
}
else
{
return((JValue)JToken.Parse(expr.ToString()));
}
}
public override void Visit(WValueExpression node)
{
this.dfsStack.Push(node.ToString(""));
}
