/// <summary>
/// Initializes a new instance of the JsonTextNavigator class
/// </summary>
/// <param name="buffer">The (UTF-8) buffer to navigate.</param>
/// <param name="skipValidation">whether to skip validation or not.</param>
public JsonTextNavigator(byte[] buffer, bool skipValidation = false)
{
IJsonReader jsonTextReader = JsonReader.Create(buffer, skipValidation);
if (jsonTextReader.SerializationFormat != JsonSerializationFormat.Text)
{
throw new ArgumentException("jsonTextReader's serialization format must actually be text");
}
this.rootNode = JsonTextParser.Parse(jsonTextReader);
}
/// <summary>
/// Parses out a JSON property AST node with a jsonTextReader.
/// </summary>
/// <param name="jsonTextReader">The reader to use as a lexer / tokenizer</param>
/// <returns>JSON property AST node</returns>
private static ObjectProperty ParsePropertyNode(IJsonReader jsonTextReader)
{
FieldNameNode fieldName = FieldNameNode.Create((ArraySegment <byte>)jsonTextReader.GetBufferedRawJsonToken());
// Consume the fieldname from the jsonreader
jsonTextReader.Read();
JsonTextNode value = JsonTextParser.ParseNode(jsonTextReader);
return(new ObjectProperty(fieldName, value));
}
/// <summary>
/// Gets the <see cref="JsonNodeType"/> type for a particular node
/// </summary>
/// <param name="node">The <see cref="IJsonNavigatorNode"/> of the node you want to know the type of</param>
/// <returns><see cref="JsonNodeType"/> for the node</returns>
public override JsonNodeType GetNodeType(IJsonNavigatorNode node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
JsonTextNode jsonTextNode = node as JsonTextNode;
if (jsonTextNode == null)
{
throw new ArgumentException("node must actually be a text node.");
}
return jsonTextNode.JsonNodeType;
}
/// <summary>
/// Initializes a new instance of the <see cref="JsonTextNavigator"/> class.
/// </summary>
/// <param name="buffer">The (UTF-8) buffer to navigate.</param>
/// <param name="skipValidation">whether to skip validation or not.</param>
public JsonTextNavigator(
ReadOnlyMemory <byte> buffer,
bool skipValidation = false)
{
IJsonReader jsonTextReader = JsonReader.Create(
buffer: buffer,
jsonStringDictionary: null,
skipValidation: skipValidation);
if (jsonTextReader.SerializationFormat != JsonSerializationFormat.Text)
{
throw new ArgumentException("jsonTextReader's serialization format must actually be text");
}
this.rootNode = Parser.Parse(jsonTextReader);
}
/// <summary>
/// Parses out a JSON property AST node with a jsonTextReader.
/// </summary>
/// <param name="jsonTextReader">The reader to use as a lexer / tokenizer</param>
/// <returns>JSON property AST node</returns>
private static ObjectProperty ParsePropertyNode(IJsonReader jsonTextReader)
{
if (!jsonTextReader.TryGetBufferedRawJsonToken(out ReadOnlyMemory <byte> bufferedRawJsonToken))
{
throw new InvalidOperationException("Failed to get the buffered raw json token.");
}
FieldNameNode fieldName = FieldNameNode.Create(bufferedRawJsonToken);
// Consume the fieldname from the jsonreader
jsonTextReader.Read();
JsonTextNode value = Parser.ParseNode(jsonTextReader);
return(new ObjectProperty(fieldName, value));
}
/// <summary>
/// Gets the root node of a JSON AST from a jsonTextReader.
/// </summary>
/// <param name="jsonTextReader">The reader to use as a lexer / tokenizer</param>
/// <returns>The root node of a JSON AST from a jsonTextReader.</returns>
public static JsonTextNode Parse(IJsonReader jsonTextReader)
{
if (jsonTextReader.SerializationFormat != JsonSerializationFormat.Text)
{
throw new ArgumentException("jsonTextReader's serialization format must actually be text");
}
// Read past the json object not started state.
jsonTextReader.Read();
JsonTextNode rootNode = Parser.ParseNode(jsonTextReader);
// Make sure that we are at the end of the file.
if (jsonTextReader.Read())
{
throw new ArgumentException("Did not fully parse json");
}
return(rootNode);
}
public void Visit(JsonTextNode node)
{
VisitLiteral(node.TextToken);
}
