/// <inheritdoc />
public override bool TryGetObjectProperty(
IJsonNavigatorNode objectNode,
string propertyName,
out ObjectProperty objectProperty)
{
ReadOnlyMemory <byte> buffer = JsonBinaryNavigator.GetNodeOfType(
JsonNodeType.Object,
objectNode);
ReadOnlySpan <byte> utf8StringPropertyName = Encoding.UTF8.GetBytes(propertyName);
foreach (ObjectProperty objectPropertyNode in this.GetObjectProperties(objectNode))
{
if (this.TryGetBufferedUtf8StringValue(objectPropertyNode.NameNode, out ReadOnlyMemory <byte> bufferedUtf8StringValue))
{
// First try and see if we can avoid materializing the UTF16 string.
if (utf8StringPropertyName.SequenceEqual(bufferedUtf8StringValue.Span))
{
objectProperty = objectPropertyNode;
return(true);
}
}
else
{
if (this.GetStringValue(objectPropertyNode.NameNode) == propertyName)
{
objectProperty = objectPropertyNode;
return(true);
}
}
}
objectProperty = default(ObjectProperty);
return(false);
}
/// <inheritdoc />
public override bool TryGetObjectProperty(
IJsonNavigatorNode objectNode,
string propertyName,
out ObjectProperty objectProperty)
{
_ = JsonBinaryNavigator.GetNodeOfType(
JsonNodeType.Object,
objectNode);
Utf8Span utf8StringPropertyName = Utf8Span.TranscodeUtf16(propertyName);
foreach (ObjectProperty objectPropertyNode in this.GetObjectProperties(objectNode))
{
if (this.TryGetBufferedStringValue(objectPropertyNode.NameNode, out Utf8Memory bufferedUtf8StringValue))
{
// First try and see if we can avoid materializing the UTF16 string.
if (utf8StringPropertyName.Equals(bufferedUtf8StringValue.Span))
{
objectProperty = objectPropertyNode;
return(true);
}
}
else
{
if (this.GetStringValue(objectPropertyNode.NameNode) == propertyName)
{
objectProperty = objectPropertyNode;
return(true);
}
}
}
objectProperty = default;
return(false);
}
/// <summary>
/// Parses out a JSON object AST node with a jsonTextReader.
/// </summary>
/// <param name="jsonTextReader">The reader to use as a lexer / tokenizer</param>
/// <returns>JSON object AST node</returns>
private static ObjectNode ParseObjectNode(IJsonReader jsonTextReader)
{
List <ObjectProperty> properties = new List <ObjectProperty>();
// consume the begin object token
jsonTextReader.Read();
while (jsonTextReader.CurrentTokenType != JsonTokenType.EndObject)
{
ObjectProperty property = Parser.ParsePropertyNode(jsonTextReader);
properties.Add(property);
}
// consume the end object token
jsonTextReader.Read();
return(ObjectNode.Create(properties));
}
/// <summary>
/// Parses out a JSON object AST node with a jsonTextReader.
/// </summary>
/// <param name="jsonTextReader">The reader to use as a lexer / tokenizer</param>
/// <returns>JSON object AST node</returns>
private static ObjectNode ParseObjectNode(IJsonReader jsonTextReader)
{
List <ObjectProperty> properties = new List <ObjectProperty>();
if (!jsonTextReader.TryGetBufferedRawJsonToken(out ReadOnlyMemory <byte> bufferedObjectStartToken))
{
throw new InvalidOperationException($"Failed to get {nameof(bufferedObjectStartToken)}.");
}
if (!MemoryMarshal.TryGetArray(bufferedObjectStartToken, out ArraySegment <byte> startObjectArraySegment))
{
throw new InvalidOperationException($"Failed to get {nameof(startObjectArraySegment)}.");
}
// consume the begin object token
jsonTextReader.Read();
while (jsonTextReader.CurrentTokenType != JsonTokenType.EndObject)
{
ObjectProperty property = Parser.ParsePropertyNode(jsonTextReader);
properties.Add(property);
}
if (!jsonTextReader.TryGetBufferedRawJsonToken(out ReadOnlyMemory <byte> bufferedObjectEndToken))
{
throw new InvalidOperationException($"Failed to get {nameof(bufferedObjectEndToken)}.");
}
if (!MemoryMarshal.TryGetArray(bufferedObjectEndToken, out ArraySegment <byte> endObjectArraySegment))
{
throw new InvalidOperationException($"Failed to get {nameof(endObjectArraySegment)}.");
}
// consume the end object token
jsonTextReader.Read();
ReadOnlyMemory <byte> bufferedRawObject = startObjectArraySegment.Array;
bufferedRawObject = bufferedRawObject.Slice(start: startObjectArraySegment.Offset, length: endObjectArraySegment.Offset - startObjectArraySegment.Offset + 1);
return(ObjectNode.Create(properties, bufferedRawObject));
}
/// <inheritdoc />
public override bool TryGetObjectProperty(
IJsonNavigatorNode objectNode,
string propertyName,
out ObjectProperty objectProperty)
{
ReadOnlyMemory <byte> buffer = JsonBinaryNavigator.GetNodeOfType(
JsonNodeType.Object,
objectNode);
foreach (ObjectProperty objectPropertyNode in this.GetObjectProperties(objectNode))
{
if (this.GetStringValue(objectPropertyNode.NameNode) == propertyName)
{
objectProperty = objectPropertyNode;
return(true);
}
}
objectProperty = default(ObjectProperty);
return(false);
}
/// <inheritdoc />
public abstract bool TryGetObjectProperty(
IJsonNavigatorNode objectNode,
string propertyName,
out ObjectProperty objectProperty);
/// <inheritdoc />
public override bool TryGetObjectProperty(IJsonNavigatorNode node, string propertyName, out ObjectProperty objectProperty)
{
if (node is LazyNode lazyNode)
{
node = lazyNode.Value;
}
if (!(node is ObjectNode objectNode))
{
throw new ArgumentException($"{node} was not of type: {nameof(ObjectNode)}.");
}
Utf8Memory propertyNameAsUtf8 = Utf8Memory.Create(propertyName);
foreach (ObjectProperty property in objectNode.Properties)
{
if (!this.TryGetBufferedStringValue(property.NameNode, out Utf8Memory candidate))
{
throw new InvalidOperationException("Failed to get property name buffered value.");
}
if (propertyNameAsUtf8.Span == candidate.Span)
{
objectProperty = property;
return(true);
}
}
objectProperty = default;
return(false);
}
/// <inheritdoc />
public override bool TryGetObjectProperty(IJsonNavigatorNode objectNavigatorNode, string propertyName, out ObjectProperty objectProperty)
{
if (objectNavigatorNode == null)
{
throw new ArgumentNullException("objectNavigatorNode");
}
if (propertyName == null)
{
throw new ArgumentNullException("propertyName");
}
ObjectNode objectNode = objectNavigatorNode as ObjectNode;
if (objectNode == null)
{
throw new ArgumentException("objectNavigatorNode must actually be an array node");
}
objectProperty = default(ObjectProperty);
IReadOnlyList <ObjectProperty> properties = ((ObjectNode)objectNode).Properties;
foreach (ObjectProperty property in properties)
{
if (this.GetStringValue(property.NameNode) == propertyName)
{
objectProperty = property;
return(true);
}
}
return(false);
}
/// <summary>
/// Tries to get a object property from an object with a particular property name.
/// </summary>
/// <param name="objectNavigatorNode">The <see cref="ObjectProperty"/> of object node to get a property from.</param>
/// <param name="propertyName">The name of the property to search for.</param>
/// <param name="objectProperty">The <see cref="IJsonNavigatorNode"/> with the specified property name if it exists.</param>
/// <returns><code>true</code> if the JsonNavigator successfully found the <see cref="ObjectProperty"/> with the specified property name; <code>false</code> otherwise.</returns>
public override bool TryGetObjectProperty(IJsonNavigatorNode objectNavigatorNode, string propertyName, out ObjectProperty objectProperty)
{
foreach (ObjectProperty objectPropertyNode in this.GetObjectProperties(objectNavigatorNode))
{
if (this.GetStringValue(objectPropertyNode.NameNode) == propertyName)
{
objectProperty = objectPropertyNode;
return(true);
}
}
objectProperty = default(ObjectProperty);
return(false);
}