public GraphNodePath GetPath(IContentNode node)
{
GraphNodePath path;
var graphNode = node as IGraphNode;
if (graphNode == null)
return null;
registeredNodes.TryGetValue(graphNode, out path);
return path;
}
public ExpressionIssue TryEvaluate(IContentNode input, out IContentNode result)
{
result = Constant;
return(null);
}
/// <summary>
/// 在流中读取字节后转换为对象
/// </summary>
/// <param name="setting">配置项</param>
/// <param name="reader">字符读取器</param>
/// <param name="node">节点流内容</param>
/// <param name="checkNullValue">是否检查空值</param>
/// <returns></returns>
public override Type Parse(IDeserializerReader reader, JsonDeserializeSetting setting, IContentNode node, bool checkNullValue)
{
if (node == null)
{
return(null);
}
var value = node.GetValue();
if (value.IsNullOrEmpty)
{
return(null);
}
try
{
if (checkNullValue && this.IsNullValue(value))
{
return(null);
}
return(Type.GetType(value.ToString()));
}
catch (OverflowException)
{
throw new ArgumentOutOfRangeException(node.Key, string.Format("数值溢出，在字符{0}至{1}处", node.Segment.Offset.ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
catch
{
throw new ArgumentNullException(string.Format("读取发现错误，在{0}至{1}字符处", node.Segment.Offset.ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
}
private static GraphNodeViewModel DefaultCreateNode(GraphViewModel viewModel, string baseName, bool isPrimitive, IContentNode modelNode, GraphNodePath graphNodePath, Type contentType, Index index)
{
return(GraphNodeViewModel.Create(viewModel, baseName, isPrimitive, modelNode, graphNodePath, contentType, index));
}
/// <summary>
/// 在流中读取字节后转换为对象
/// </summary>
/// <param name="setting">配置项</param>
/// <param name="reader">字符读取器</param>
/// <param name="node">节点流内容</param>
/// <param name="checkNullValue">是否检查空值</param>
/// <returns></returns>
/// <exception cref="System.ArgumentNullException">
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
public override DateTime Parse(IDeserializerReader reader, JsonDeserializeSetting setting, IContentNode node, bool checkNullValue)
{
if (node == null)
{
return(new DateTime());
}
var value = node.GetValue();
try
{
double ret = 0d;
for (var i = 7; i <= 19; i++)
{
switch (value[i])
{
case '0':
{
}
break;
case '1':
{
ret += GetInteger(20 - i);
}
break;
case '2':
{
ret += 2 * GetInteger(20 - i);
}
break;
case '3':
{
ret += 3 * GetInteger(20 - i);
}
break;
case '4':
{
ret += 4 * GetInteger(20 - i);
}
break;
case '5':
{
ret += 5 * GetInteger(20 - i);
}
break;
case '6':
{
ret += 6 * GetInteger(20 - i);
}
break;
case '7':
{
ret += 7 * GetInteger(20 - i);
}
break;
case '8':
{
ret += 8 * GetInteger(20 - i);
}
break;
case '9':
{
ret += 9 * GetInteger(20 - i);
}
break;
default:
throw new ArgumentNullException(string.Format("读取发现错误，在{0}至{1}字符处，取值只能在[0,9]范围内", (node.Segment.Offset).ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
}
return(_1970.AddMilliseconds(ret));
}
catch (OverflowException)
{
throw new ArgumentOutOfRangeException(node.Key, string.Format("数值溢出，在字符{0}至{1}处", node.Segment.Offset.ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
catch
{
throw new ArgumentNullException(string.Format("读取发现错误，在{0}至{1}字符处，取值只能在[0-9]范围内", node.Segment.Offset.ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
}
/// <summary>
/// 在流中读取字节后转换为对象
/// </summary>
/// <param name="setting">配置项</param>
/// <param name="reader">字符读取器</param>
/// <param name="node">节点流内容</param>
/// <param name="checkNullValue">是否检查空值</param>
/// <returns></returns>
public override decimal?Parse(IDeserializerReader reader, JsonDeserializeSetting setting, IContentNode node, bool checkNullValue)
{
if (node == null)
{
return(null);
}
var value = node.GetValue();
if (value.IsNullOrEmpty)
{
return(null);
}
if (checkNullValue && this.IsNullValue(value))
{
return(null);
}
return(MethodProviders.DecimalMethodProvider.Default.Parse(reader, setting, node, false));
}
protected override void LinkNodes(IContentNode sourceNode, IContentNode targetNode)
{
LinkedNodes.Add(sourceNode, targetNode);
base.LinkNodes(sourceNode, targetNode);
}
protected override ObjectReference FindTargetReference(IContentNode sourceNode, IContentNode targetNode, ObjectReference sourceReference)
{
if (sourceReference.Index.IsEmpty)
{
return(base.FindTargetReference(sourceNode, targetNode, sourceReference));
}
var matchValue = 0;
if (sourceReference.TargetNode != null)
{
matchValue = (int)sourceReference.TargetNode[nameof(SimpleClass.Member1)].Value;
}
var targetReference = targetNode.ItemReferences;
return(targetReference?.FirstOrDefault(x => (int)x.TargetNode[nameof(SimpleClass.Member1)].Value == matchValue));
}
public static IContentNode Root(this IContentNode node)
{
return(node.RootInternal());
}
public static bool IsNullOrEmpty(this IContentNode node)
{
return(node == null || node.IsEmpty());
}
public static IEnumerable <IContentNode <T> > Descendants <T>(this IContentNode <T> node) where T : IContent
{
return(node.DescendantsInternal());
}
public static IEnumerable <IContentNode> Descendants(this IContentNode node)
{
return(node.DescendantsInternal());
}
public static IEnumerable <IContentNode <T> > Ancestors <T>(this IContentNode <T> node) where T : IContent
{
return(node.AncestorsInternal());
}
public static IContentNode <T> Root <T>(this IContentNode <T> node) where T : IContent
{
return(node.RootInternal());
}
public static IEnumerable <IContentNode> Ancestors(this IContentNode node)
{
return(node.AncestorsInternal());
}
public override IEnumerable <SchemaIssue> FindIssues(IContentNode node)
{
var issues = base.FindIssues(node);
if (issues.Any())
{
foreach (var i in issues)
{
yield return(i);
}
}
else
{
var list = node as ContentList;
var itemCount = list.Count();
if ((MinItemCount != null && MinItemCount.Value > itemCount) ||
(MaxItemCount != null && MaxItemCount.Value < itemCount))
{
var sb = new StringBuilder();
sb.Append("Must have item count ");
if (MinItemCount != null)
{
sb.Append(">= ");
sb.Append(MinItemCount);
}
if (MaxItemCount != null)
{
if (MinItemCount != null)
{
sb.Append("and ");
}
sb.Append("<= ");
sb.Append(MaxItemCount);
}
sb.Append(", found ");
sb.Append(itemCount);
sb.Append(" items");
}
else
{
var idx = 0;
foreach (var item in list)
{
var index = ContentPath.Root.Append(idx);
issues = Item.FindIssues(item);
foreach (var issue in issues)
{
yield return(new SchemaIssue(
index.Append(issue.SubjectPath),
issue.Error));
}
++idx;
}
}
}
}
public override bool IsMatch(IContentNode document)
{
return(false);
}
/// <summary>
/// 在流中读取字节后转换为对象
/// </summary>
/// <param name="setting">配置项</param>
/// <param name="reader">字符读取器</param>
/// <param name="node">节点流内容</param>
/// <param name="checkNullValue">是否检查空值</param>
/// <returns></returns>
public override bool Parse(IDeserializerReader reader, JsonDeserializeSetting setting, IContentNode node, bool checkNullValue)
{
if (node == null)
{
return(false);
}
var value = node.GetValue();
if (value.IsNullOrEmpty)
{
return(false);
}
if (value.Length == 1)
{
return(value[0] == '1');
}
if (IsNullValue(value))
{
return(false);
}
if (value.Length != 4)
{
return(false);
}
return((value[0] == 't' || value[0] == 'T')
& (value[1] == 'r' || value[1] == 'R')
& (value[2] == 'u' || value[2] == 'U')
& (value[3] == 'e' || value[3] == 'e'));
}
public void TestCustomFindTargetReference()
{
var nodeContainer = new NodeContainer();
var instance1 = new ObjectListClass {
Member1 = 3, Member2 = new List <SimpleClass> {
new SimpleClass {
Member1 = 1
}, new SimpleClass {
Member1 = 2
}, new SimpleClass {
Member1 = 3
}
}
};
var instance2 = new ObjectListClass {
Member1 = 3, Member2 = new List <SimpleClass> {
new SimpleClass {
Member1 = 2
}, new SimpleClass {
Member1 = 4
}, new SimpleClass {
Member1 = 1
}
}
};
var source = nodeContainer.GetOrCreateNode(instance1);
var target = nodeContainer.GetOrCreateNode(instance2);
var linker = new CustomFindTargetReferenceLinker();
linker.LinkGraph(source, target);
// Expected links by index: 0 -> 2, 1 -> 0, 2 -> null
Index index = new Index(0);
IContentNode tempQualifier = source[nameof(SimpleClass.Member2)];
Index index1 = new Index(2);
IContentNode tempQualifier1 = target[nameof(SimpleClass.Member2)];
Index index2 = new Index(0);
IContentNode tempQualifier2 = source[nameof(SimpleClass.Member2)];
Index index3 = new Index(2);
IContentNode tempQualifier3 = target[nameof(SimpleClass.Member2)];
Index index4 = new Index(0);
IContentNode tempQualifier4 = source[nameof(SimpleClass.Member2)];
Index index5 = new Index(2);
IContentNode tempQualifier5 = target[nameof(SimpleClass.Member2)];
Index index6 = new Index(1);
IContentNode tempQualifier6 = source[nameof(SimpleClass.Member2)];
Index index7 = new Index(0);
IContentNode tempQualifier7 = target[nameof(SimpleClass.Member2)];
Index index8 = new Index(1);
IContentNode tempQualifier8 = source[nameof(SimpleClass.Member2)];
Index index9 = new Index(0);
IContentNode tempQualifier9 = target[nameof(SimpleClass.Member2)];
Index index10 = new Index(1);
IContentNode tempQualifier10 = source[nameof(SimpleClass.Member2)];
Index index11 = new Index(0);
IContentNode tempQualifier11 = target[nameof(SimpleClass.Member2)];
Index index12 = new Index(2);
IContentNode tempQualifier12 = source[nameof(SimpleClass.Member2)];
Index index13 = new Index(2);
IContentNode tempQualifier13 = source[nameof(SimpleClass.Member2)];
Index index14 = new Index(2);
IContentNode tempQualifier14 = source[nameof(SimpleClass.Member2)];
var expectedLinks = new Dictionary <IContentNode, IContentNode>
{
{ source, target },
{ source[nameof(SimpleClass.Member1)], target[nameof(SimpleClass.Member1)] },
{ source[nameof(SimpleClass.Member2)], target[nameof(SimpleClass.Member2)] },
{ tempQualifier.IndexedTarget(index), tempQualifier1.IndexedTarget(index1) },
{ tempQualifier2.IndexedTarget(index2)[nameof(SimpleClass.Member1)], tempQualifier3.IndexedTarget(index3)[nameof(SimpleClass.Member1)] },
{ tempQualifier4.IndexedTarget(index4)[nameof(SimpleClass.Member2)], tempQualifier5.IndexedTarget(index5)[nameof(SimpleClass.Member2)] },
{ tempQualifier6.IndexedTarget(index6), tempQualifier7.IndexedTarget(index7) },
{ tempQualifier8.IndexedTarget(index8)[nameof(SimpleClass.Member1)], tempQualifier9.IndexedTarget(index9)[nameof(SimpleClass.Member1)] },
{ tempQualifier10.IndexedTarget(index10)[nameof(SimpleClass.Member2)], tempQualifier11.IndexedTarget(index11)[nameof(SimpleClass.Member2)] },
{ tempQualifier12.IndexedTarget(index12), null },
{ tempQualifier13.IndexedTarget(index13)[nameof(SimpleClass.Member1)], null },
{ tempQualifier14.IndexedTarget(index14)[nameof(SimpleClass.Member2)], null },
};
VerifyLinks(expectedLinks, linker);
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphNodeChangeListener"/> class.
/// </summary>
/// <param name="rootNode">The root node for which to track referenced node changes.</param>
/// <param name="shouldRegisterNode">A method that can indicate whether a node of the hierarchy should be registered to the listener.</param>
public GraphNodeChangeListener(IContentNode rootNode, Func <IMemberNode, IContentNode, bool> shouldRegisterNode = null)
{
this.rootNode = rootNode;
this.shouldRegisterNode = shouldRegisterNode;
RegisterAllNodes();
}
public VirtualNodeCommandWrapper(IViewModelServiceProvider serviceProvider, INodeCommand nodeCommand, IContentNode node, Index index)
: base(serviceProvider)
{
if (nodeCommand == null)
{
throw new ArgumentNullException(nameof(nodeCommand));
}
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
this.node = node;
this.index = index;
NodeCommand = nodeCommand;
Service = serviceProvider.Get <GraphViewModelService>();
}
/// <summary>
/// 在流中读取字节后转换为对象
/// </summary>
/// <param name="setting">配置项</param>
/// <param name="node">节点流内容</param>
/// <param name="reader">字符读取器</param>
/// <param name="checkNullValue">是否检查空值</param>
/// <returns></returns>
/// <exception cref="System.ArgumentOutOfRangeException"></exception>
/// <exception cref="System.ArgumentNullException"></exception>
public override DateTime Parse(IDeserializerReader reader, JsonDeserializeSetting setting, IContentNode node, bool checkNullValue)
{
if (node == null)
{
return(new DateTime());
}
var value = node.GetValue();
try
{
int year = 0, month = 0, day = 0, hour = 0, minute = 0, second = 0, mill = 0;
if (value.Length > 22)
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
month = GetGigitInZeroToNightChar(value[5]) * 10 + GetGigitInZeroToNightChar(value[6]);
day = GetGigitInZeroToNightChar(value[8]) * 10 + GetGigitInZeroToNightChar(value[9]);
hour = GetGigitInZeroToNightChar(value[11]) * 10 + GetGigitInZeroToNightChar(value[12]);
minute = GetGigitInZeroToNightChar(value[14]) * 10 + GetGigitInZeroToNightChar(value[15]);
second = GetGigitInZeroToNightChar(value[17]) * 10 + GetGigitInZeroToNightChar(value[18]);
mill = GetGigitInZeroToNightChar(value[20]) * 100 + GetGigitInZeroToNightChar(value[21]) * 10 + GetGigitInZeroToNightChar(value[22]);
}
else if (value.Length > 18)
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
month = GetGigitInZeroToNightChar(value[5]) * 10 + GetGigitInZeroToNightChar(value[6]);
day = GetGigitInZeroToNightChar(value[8]) * 10 + GetGigitInZeroToNightChar(value[9]);
hour = GetGigitInZeroToNightChar(value[11]) * 10 + GetGigitInZeroToNightChar(value[12]);
minute = GetGigitInZeroToNightChar(value[14]) * 10 + GetGigitInZeroToNightChar(value[15]);
second = GetGigitInZeroToNightChar(value[17]) * 10 + GetGigitInZeroToNightChar(value[18]);
}
else if (value.Length > 15)
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
month = GetGigitInZeroToNightChar(value[5]) * 10 + GetGigitInZeroToNightChar(value[6]);
day = GetGigitInZeroToNightChar(value[8]) * 10 + GetGigitInZeroToNightChar(value[9]);
hour = GetGigitInZeroToNightChar(value[11]) * 10 + GetGigitInZeroToNightChar(value[12]);
minute = GetGigitInZeroToNightChar(value[14]) * 10 + GetGigitInZeroToNightChar(value[15]);
}
else if (value.Length > 12)
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
month = GetGigitInZeroToNightChar(value[5]) * 10 + GetGigitInZeroToNightChar(value[6]);
day = GetGigitInZeroToNightChar(value[8]) * 10 + GetGigitInZeroToNightChar(value[9]);
hour = GetGigitInZeroToNightChar(value[11]) * 10 + GetGigitInZeroToNightChar(value[12]);
}
else if (value.Length > 9)
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
month = GetGigitInZeroToNightChar(value[5]) * 10 + GetGigitInZeroToNightChar(value[6]);
day = GetGigitInZeroToNightChar(value[8]) * 10 + GetGigitInZeroToNightChar(value[9]);
}
else if (value.Length > 6)
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
month = GetGigitInZeroToNightChar(value[5]) * 10 + GetGigitInZeroToNightChar(value[6]);
}
else
{
year = GetGigitInZeroToNightChar(value[0]) * 1000 + GetGigitInZeroToNightChar(value[1]) * 100 + GetGigitInZeroToNightChar(value[2]) * 10 + GetGigitInZeroToNightChar(value[3]);
}
//year = GetGigitInZeroToNightChar(node.Value[0]) * 1000 + GetGigitInZeroToNightChar(node.Value[1]) * 100 + GetGigitInZeroToNightChar(node.Value[2]) * 10 + GetGigitInZeroToNightChar(node.Value[3]);
//month = GetGigitInZeroToNightChar(node.Value[5]) * 10 + GetGigitInZeroToNightChar(node.Value[6]);
//day = GetGigitInZeroToNightChar(node.Value[8]) * 10 + GetGigitInZeroToNightChar(node.Value[9]);
//hour = GetGigitInZeroToNightChar(node.Value[11]) * 10 + GetGigitInZeroToNightChar(node.Value[12]);
//minute = GetGigitInZeroToNightChar(node.Value[14]) * 10 + GetGigitInZeroToNightChar(node.Value[15]);
//second = GetGigitInZeroToNightChar(node.Value[17]) * 10 + GetGigitInZeroToNightChar(node.Value[18]);
//if (node.Value.Length > 22)
// mill = GetGigitInZeroToNightChar(node.Value[20]) * 100 + GetGigitInZeroToNightChar(node.Value[21]) * 10 + GetGigitInZeroToNightChar(node.Value[22]);
return(new DateTime(year, month, day, hour, minute, second, mill));
}
catch (OverflowException)
{
throw new ArgumentOutOfRangeException(node.Key, string.Format("数值溢出，在字符{0}至{1}处", node.Segment.Offset.ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
catch
{
throw new ArgumentNullException(string.Format("读取发现错误，在{0}至{1}字符处", node.Segment.Offset.ToString(), (node.Segment.Offset + node.Segment.Count).ToString()));
}
}
protected override bool ShouldVisitNode(IMemberNode memberContent, IContentNode targetNode)
{
// Make sure it's actually a target (not a member) node.
return(!propertyGraph.IsReferencedPart(memberContent, targetNode) && base.ShouldVisitNode(memberContent, targetNode));
}
public ExpandingEventArgs(IContentNode node, ITreeSettings settings)
{
this.Node = node ?? throw new ArgumentNullException(nameof(node));
this.Settings = settings ?? throw new ArgumentNullException(nameof(settings));
}
public IEnumerable <SchemaIssue> FindIssues(IContentNode node)
{
yield break;
}
protected override bool ShouldVisitSourceNode(IMemberNode memberContent, IContentNode targetNode)
{
return((ShouldVisit?.Invoke(memberContent, targetNode) ?? true) && base.ShouldVisitSourceNode(memberContent, targetNode));
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphViewModel"/> class.
/// </summary>
/// <param name="serviceProvider">A service provider that can provide a <see cref="IDispatcherService"/> and an <see cref="GraphViewModelService"/> to use for this view model.</param>
/// <param name="propertyProvider">The object providing properties to display</param>
/// <param name="graphNode">The root node of the view model to generate.</param>
private GraphViewModel(IViewModelServiceProvider serviceProvider, IPropertiesProviderViewModel propertyProvider, IContentNode graphNode)
: this(serviceProvider)
{
if (graphNode == null)
{
throw new ArgumentNullException(nameof(graphNode));
}
PropertiesProvider = propertyProvider;
var node = GraphViewModelService.GraphNodeViewModelFactory(this, "Root", graphNode.IsPrimitive, graphNode, new GraphNodePath(graphNode), graphNode.Type, Index.Empty);
RootNode = node;
node.Initialize();
node.FinalizeInitialization();
node.CheckConsistency();
}
protected override IContentNode FindTarget(IContentNode sourceNode)
{
var defaultTarget = base.FindTarget(sourceNode);
return(propertyGraph.FindTarget(sourceNode, defaultTarget));
}
public ConstantExpression(IContentNode constant)
{
Constant = constant ?? throw new ArgumentNullException(nameof(constant));
}
protected override ObjectReference FindTargetReference(IContentNode sourceNode, IContentNode targetNode, ObjectReference sourceReference)
{
if (sourceReference.Index.IsEmpty)
{
return(targetNode.TargetReference);
}
// Special case for objects that are identifiable: the object must be linked to the base only if it has the same id
if (sourceReference.ObjectValue != null)
{
if (sourceReference.Index.IsEmpty)
{
return(targetNode.TargetReference);
}
var sourceAssetNode = (IAssetNode)sourceNode;
if ((sourceAssetNode as AssetMemberNode)?.IsNonIdentifiableCollectionContent ?? false)
{
return(null);
}
// Enumerable reference: we look for an object with the same id
var targetReference = targetNode.ItemReferences;
var sourceIds = CollectionItemIdHelper.GetCollectionItemIds(sourceNode.Retrieve());
var targetIds = CollectionItemIdHelper.GetCollectionItemIds(targetNode.Retrieve());
var itemId = sourceIds[sourceReference.Index.Value];
var targetKey = targetIds.GetKey(itemId);
return(targetReference.FirstOrDefault(x => Equals(x.Index.Value, targetKey)));
}
// Not identifiable - default applies
return(base.FindTargetReference(sourceNode, targetNode, sourceReference));
}
internal void RegisterOwner(IContentNode node)
{
if (node == null) throw new ArgumentNullException(nameof(node));
if (OwnerNode != null) throw new InvalidOperationException("An owner node has already been registered for this content.");
OwnerNode = node;
}
/// <summary> /// 在流中读取字节后转换为对象 /// </summary> /// <param name="setting">配置项</param> /// <param name="reader">字符读取器</param> /// <param name="node">节点流内容</param> /// <param name="checkNullValue">是否检查空值</param> /// <returns></returns> public abstract T Parse(IDeserializerReader reader, JsonDeserializeSetting setting, IContentNode node, bool checkNullValue);
