public void AssertAreEqual(YamlNode expected, YamlNode result)
{
Assert.AreEqual(expected.GetType(), result.GetType());
Assert.AreEqual(expected.Tag, result.Tag,
"Tag was different between expected ({0}) and result ({1}).", expected, result);
if ( expected is YamlScalar ) {
var expectedScalar = (YamlScalar)expected;
var resultScalar = (YamlScalar)result;
Assert.AreEqual(expectedScalar.Value, resultScalar.Value);
}
if ( expected is YamlSequence ) {
var expectedSequence = (YamlSequence)expected;
var resultSequence = (YamlSequence)result;
Assert.AreEqual(expectedSequence.Count, resultSequence.Count);
for ( int i = 0; i < expectedSequence.Count; i++ )
AssertAreEqual(expectedSequence[i], resultSequence[i]);
}
if ( expected is YamlMapping ) {
var expectedMapping = (YamlMapping)expected;
var resultMapping = (YamlMapping)result;
Assert.AreEqual(expectedMapping.Count, resultMapping.Count);
foreach ( var entry in expectedMapping ) {
Assert.IsTrue(resultMapping.ContainsKey(entry.Key),
"Mapping node {0} does not contain a key {1}.",
resultMapping, entry.Key);
AssertAreEqual(entry.Value, resultMapping[entry.Key]);
}
}
}
public void Add(string anchor_name, YamlNode node)
{
if ( Items.ContainsKey(anchor_name) ) {
// override an existing anchor
ItemsToRewind.Push(new RewindInfo(anchor_name, this[anchor_name]));
Items[anchor_name] = node;
} else {
ItemsToRewind.Push(new RewindInfo(anchor_name, null));
Items.Add(anchor_name, node);
}
}
/// <summary>
/// Returns true if <paramref name="b"/> is of same type as the <see cref="YamlNode"/> and
/// its Tag is same as the node. It returns true for <paramref name="skip"/> if they
/// both already appeared in the node trees and were compared.
/// </summary>
/// <param name="b">Node to be compared.</param>
/// <param name="repository">Node repository holds the nodes that already appeared and
/// the corresponding node in the other node tree.</param>
/// <param name="skip">true if they already appeared in the node tree and were compared.</param>
/// <returns>true if they are equal to each other.</returns>
internal bool EqualsSub(YamlNode b, ObjectRepository repository, out bool skip)
{
YamlNode a = this;
bool identity;
if ( repository.AlreadyAppeared(a, b, out identity) ) {
skip = true;
return identity;
}
skip = false;
if ( a.GetType() != b.GetType() || a.Tag != b.Tag )
return false;
return true;
}
/// <summary> /// Returns true if <paramref name="b"/> is of same type as the <see cref="YamlNode"/> and /// its content is also logically same. /// </summary> /// <param name="b">Node to be compared.</param> /// <param name="repository">Node repository holds the nodes that already appeared and /// the corresponding node in the other node tree.</param> /// <returns>true if they are equal to each other.</returns> internal abstract bool Equals(YamlNode b, ObjectRepository repository);
public bool AlreadyAppeared(YamlNode a, YamlNode b, out bool identity)
{
int ai, bi;
bool ar = nodes_a.TryGetValue(a, out ai);
bool br = nodes_b.TryGetValue(b, out bi);
if ( ar && br && ai == bi ) {
identity = true;
return true;
}
if ( ar ^ br ) {
identity = false;
return true;
}
nodes_a.Add(a, nodes_a.Count);
nodes_b.Add(b, nodes_b.Count);
stack_a.Push(a);
stack_b.Push(b);
if ( a == b ) {
identity = true;
return true;
}
identity = false;
return false;
}
public RewindInfo(string anchor_name, YamlNode old_value)
{
this.anchor_name = anchor_name;
this.old_value = old_value;
}
/// <summary> /// Returns true if <paramref name="b"/> is of same type as the <see cref="YamlNode"/> and /// its content is also logically same. /// </summary> /// <param name="b">Node to be compared.</param> /// <param name="repository">Node repository holds the nodes that already appeared and /// the corresponding node in the other node tree.</param> /// <returns>true if they are equal to each other.</returns> internal abstract bool Equals(YamlNode b, ObjectRepository repository);
public void ToYaml(Stream s, YamlNode node, YamlConfig config)
{
using (var yaml = new StreamWriter(s))
ToYaml(yaml, node, config);
}
public string ToYaml(YamlNode node, YamlConfig config)
{
yaml = new StringWriter();
ToYaml(yaml, node, config);
return(yaml.ToString());
}
public string ToYaml(YamlNode node)
{
return(ToYaml(node, YamlNode.DefaultConfig));
}
internal override bool Equals(YamlNode b, ObjectRepository repository)
{
bool skip;
if(! base.EqualsSub(b, repository, out skip) )
return false;
if(skip)
return true;
YamlScalar aa = this;
YamlScalar bb = (YamlScalar)b;
if ( NativeObjectAvailable ) {
return bb.NativeObjectAvailable &&
(aa.NativeObject == null ?
bb.NativeObject==null :
aa.NativeObject.Equals(bb.NativeObject) );
} else {
if ( ShorthandTag() == "!!str" ) {
return aa.Value == bb.Value;
} else {
// Node with non standard tag is compared by its identity.
return false;
}
}
}
