public override string TypeOfMemberOrAttribute(string matchOrGraphElementType, string memberOrAttribute)
{
if (matchOrGraphElementType.StartsWith("match<class "))
{
MatchClassFilterer matchClass = actions.GetMatchClass(TypesHelper.GetMatchClassName(matchOrGraphElementType));
IPatternElement element = matchClass.info.GetPatternElement(memberOrAttribute);
if (element == null)
{
throw new SequenceParserException(memberOrAttribute, SequenceParserError.UnknownMatchMember);
}
GrGenType elementType = element.Type;
return(TypesHelper.DotNetTypeToXgrsType(elementType));
}
else if (matchOrGraphElementType.StartsWith("match<"))
{
IAction action = actions.GetAction(TypesHelper.GetRuleName(matchOrGraphElementType));
IPatternElement element = action.RulePattern.PatternGraph.GetPatternElement(memberOrAttribute);
if (element == null)
{
throw new SequenceParserException(memberOrAttribute, SequenceParserError.UnknownMatchMember);
}
GrGenType elementType = element.Type;
return(TypesHelper.DotNetTypeToXgrsType(elementType));
}
else
{
GrGenType graphElementType = TypesHelper.GetNodeOrEdgeType(matchOrGraphElementType, Model);
AttributeType attributeType = graphElementType.GetAttributeType(memberOrAttribute);
if (attributeType == null)
{
throw new SequenceParserException(memberOrAttribute, SequenceParserError.UnknownAttribute);
}
return(TypesHelper.AttributeTypeToXgrsType(attributeType));
}
}
public override string TypeOfMemberOrAttribute(string matchOrGraphElementType, string memberOrAttribute)
{
if (matchOrGraphElementType.StartsWith("match<class "))
{
String matchClassName = TypesHelper.GetMatchClassName(matchOrGraphElementType);
IMatchClass matchClass = actionsTypeInformation.matchClasses[matchClassName];
IPatternElement element = matchClass.GetPatternElement(memberOrAttribute);
if (element == null)
{
throw new SequenceParserException(memberOrAttribute, SequenceParserError.UnknownMatchMember);
}
GrGenType elementType = element.Type;
return(TypesHelper.DotNetTypeToXgrsType(elementType));
}
else if (matchOrGraphElementType.StartsWith("match<"))
{
String ruleName = TypesHelper.GetRuleName(matchOrGraphElementType);
if (!actionsTypeInformation.rulesToTopLevelEntities[ruleName].Contains(memberOrAttribute))
{
throw new SequenceParserException(memberOrAttribute, SequenceParserError.UnknownMatchMember);
}
int indexOfEntity = actionsTypeInformation.rulesToTopLevelEntities[ruleName].IndexOf(memberOrAttribute);
return(actionsTypeInformation.rulesToTopLevelEntityTypes[ruleName][indexOfEntity]);
}
else
{
GrGenType graphElementType = TypesHelper.GetNodeOrEdgeType(matchOrGraphElementType, Model);
AttributeType attributeType = graphElementType.GetAttributeType(memberOrAttribute);
if (attributeType == null)
{
throw new SequenceParserException(memberOrAttribute, SequenceParserError.UnknownAttribute);
}
return(TypesHelper.AttributeTypeToXgrsType(attributeType));
}
}
public PatternComprehension(
IPatternElement patternElement,
Where?where,
Expression?expression)
{
PatternElement = patternElement;
Where = where;
Expression = expression;
}
public static FunctionInvocation Create(
FunctionDefinition definition,
IPatternElement pattern)
{
Ensure.IsNotNull(
pattern,
$"The pattern for {definition.ImplementationName}() is required.");
return(new FunctionInvocation(definition.ImplementationName, new Pattern(pattern)));
}
public PatternComprehension(IPatternElement patternElement)
{
PatternElement = patternElement;
Where = null;
Expression = null;
}
public PatternComprehension(IPatternElement patternElement, Expression?expression)
{
PatternElement = patternElement;
Where = null;
Expression = expression;
}
public OldCommand([Key("old")] IValueProvider provider, IPatternElement element, ConstantValueProvider constant)
{
this.provider = provider;
this.element = element;
this.constant = constant;
}
public NewValueProvider(IPatternElement element)
{
}
public static IList Extract(object container, string memberOrAttribute, IGraphProcessingEnvironment procEnv)
{
IList array = (IList)container;
string arrayType = TypesHelper.DotNetTypeToXgrsType(array.GetType());
string arrayValueType = TypesHelper.ExtractSrc(arrayType);
if (arrayValueType.StartsWith("match<"))
{
if (arrayValueType == "match<>")
{
if (array.Count > 0)
{
IMatch match = (IMatch)array[0];
object matchElement = match.GetMember(memberOrAttribute);
Type matchElementType;
if (matchElement is IGraphElement)
{
matchElementType = TypesHelper.GetType(((IGraphElement)matchElement).Type, procEnv.Graph.Model);
}
else
{
matchElementType = matchElement.GetType();
}
Type listType = typeof(List <>).MakeGenericType(matchElementType);
IList extractedArray = (IList)Activator.CreateInstance(listType);
ExtractMatchMember(array, memberOrAttribute, extractedArray);
return(extractedArray);
}
else
{
return(new List <object>());
}
}
else
{
if (arrayValueType.StartsWith("match<class "))
{
MatchClassFilterer matchClass = procEnv.Actions.GetMatchClass(TypesHelper.GetMatchClassName(arrayValueType));
IPatternElement element = matchClass.info.GetPatternElement(memberOrAttribute);
GrGenType elementType = element.Type;
Type listType = typeof(List <>).MakeGenericType(TypesHelper.GetType(elementType, procEnv.Graph.Model));
IList extractedArray = (IList)Activator.CreateInstance(listType);
ExtractMatchMember(array, memberOrAttribute, extractedArray);
return(extractedArray);
}
else
{
IAction action = procEnv.Actions.GetAction(TypesHelper.GetRuleName(arrayValueType));
IPatternElement element = action.RulePattern.PatternGraph.GetPatternElement(memberOrAttribute);
GrGenType elementType = element.Type;
Type listType = typeof(List <>).MakeGenericType(TypesHelper.GetType(elementType, procEnv.Graph.Model));
IList extractedArray = (IList)Activator.CreateInstance(listType);
ExtractMatchMember(array, memberOrAttribute, extractedArray);
return(extractedArray);
}
}
}
else
{
GrGenType graphElementType = TypesHelper.GetNodeOrEdgeType(arrayValueType, procEnv.Graph.Model);
if (graphElementType != null)
{
AttributeType attributeType = graphElementType.GetAttributeType(memberOrAttribute);
Type listType = typeof(List <>).MakeGenericType(attributeType.Type);
IList extractedArray = (IList)Activator.CreateInstance(listType);
ExtractAttribute(array, memberOrAttribute, extractedArray);
return(extractedArray);
}
else
{
if (array.Count > 0)
{
IGraphElement graphElement = (IGraphElement)array[0];
object element = graphElement.GetAttribute(memberOrAttribute);
Type elementType;
if (element is IGraphElement)
{
elementType = TypesHelper.GetType(((IGraphElement)element).Type, procEnv.Graph.Model);
}
else
{
elementType = element.GetType();
}
Type listType = typeof(List <>).MakeGenericType(elementType);
IList extractedArray = (IList)Activator.CreateInstance(listType);
ExtractAttribute(array, memberOrAttribute, extractedArray);
return(extractedArray);
}
else
{
return(new List <object>());
}
}
}
}
