private static void RemoveEmbed(FramingState state, string id)
{
var embed = state.GetEmbeddedNode(id);
if (embed == null)
{
return;
}
var parent = embed.Item1;
var property = embed.Item2;
var subject = new JObject(new JProperty("@id", id));
if (parent is JArray parentArray)
{
for (var i = 0; i < parentArray.Count; i++)
{
var item = parentArray[i];
if (item is JObject itemObject && itemObject.ContainsKey("@id") && itemObject["@id"].Value <string>().Equals(id))
{
parent[i] = subject;
break;
}
}
}
else
{
var useArray = JsonLdUtils.IsArray(parent[property]);
JsonLdUtils.RemoveValue(parent as JObject, property, subject, useArray);
JsonLdUtils.AddValue(parent as JObject, property, subject, useArray);
}
}
/// <summary>
/// Determine if the specified token is a valid frame object.
/// </summary>
/// <param name="value">The token to validate.</param>
/// <exception cref="JsonLdFramingException">Raised if <paramref name="value"/> is not a valid frame object.</exception>
private static void ValidateFrame(JToken value)
{
// 1.1 - Frame MUST be a map.
if (!(value is JObject obj))
{
throw new JsonLdProcessorException(JsonLdErrorCode.InvalidFrame,
$"Invalid frame. The frame must be a map.");
}
// 1.2 - If frame has an @id entry, its value MUST be either an array containing a single empty map as a
// value, a valid IRI or an array where all values are valid IRIs.
if (obj.ContainsKey("@id"))
{
var idValue = obj["@id"];
if (!(IsEmptyMapArray(idValue) || JsonLdUtils.IsIri(idValue) || JsonLdUtils.IsArray(idValue, JsonLdUtils.IsIri)))
{
throw new JsonLdProcessorException(JsonLdErrorCode.InvalidFrame,
"Invalid frame. The value of the @id property must be either " +
"an array containing a single empty map; an IRI string or an array of IRI strings.");
}
}
// 1.3 - If frame has a @type entry, its value MUST be either an array containing a single empty map as a
// value, an array containing a map with a entry whose key is @default, a valid IRI or an array where all
// values are valid IRIs.
if (obj.ContainsKey("@type"))
{
var typeValue = obj["@type"];
if (!(IsEmptyMapArray(typeValue) || IsDefaultObjectArray(typeValue) || JsonLdUtils.IsIri(typeValue) ||
JsonLdUtils.IsArray(typeValue, JsonLdUtils.IsIri)))
{
throw new JsonLdProcessorException(JsonLdErrorCode.InvalidFrame,
"Invalid frame. The value of the @type property must be either " +
"an array containing a single empty map, " +
"an array containing a single map with an @default key, an IRI string, " +
"or an array of IRI strings.");
}
}
}
