private static JToken RequireChild <T>(this JToken source, string key, JTokenErrors errors)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (string.IsNullOrEmpty(key))
{
throw new ArgumentException(nameof(key));
}
if (errors == null)
{
throw new ArgumentNullException(nameof(errors));
}
JToken data = source[key];
if (data == null || data.Value <T>() == null)
{
data = null;
errors.Add(string.IsNullOrEmpty(source.Path)
? $"The json object is missing the field: \"{key}\""
: $"The json object is missing the field: \"{source.Path}.{key}\"");
}
return(data);
}
public static string RequireString(this JToken source, string key, JTokenErrors errors)
{
JToken data = source.RequireChild <string>(key, errors);
return(data?.Value <string>().MarkdownEscape());
}
public static JToken RequireChild(this JToken source, string key, JTokenErrors errors)
{
JToken data = source.RequireChild <object>(key, errors);
return(data);
}