private IMethodElement FindExtensionMethodInNamespace(INamespaceElement namespaceElement, string methodName, ITypeElement callerType, Expression qualifier)
{
IClassElement classElement;
IMethodElement extensionMethod;
foreach (ITypeElement namespaceChild in namespaceElement.Types)
{
classElement = GetStaticClass(namespaceChild);
if (classElement == null)
{
continue;
}
extensionMethod = FindExtensionMethodInClass(classElement, methodName, callerType, qualifier);
if (extensionMethod != null)
{
return(extensionMethod);
}
}
foreach (INamespaceElement childNamespace in namespaceElement.Namespaces)
{
extensionMethod = FindExtensionMethodInNamespace(childNamespace, methodName, callerType, qualifier);
if (extensionMethod != null)
{
return(extensionMethod);
}
}
return(null);
}
private IMethodElement FindExtensionMethod(IEnumerable projectSymbols, string methodName, ITypeElement callerType, Expression qualifier)
{
if (projectSymbols == null || callerType == null)
{
return(null);
}
foreach (IElement element in projectSymbols)
{
INamespaceElement namespaceElement = element as INamespaceElement;
IClassElement classElement;
IMethodElement extensionMethod;
if (namespaceElement != null)
{
extensionMethod = FindExtensionMethodInNamespace(namespaceElement, methodName, callerType, qualifier);
if (extensionMethod != null)
{
return(extensionMethod);
}
}
else
{
classElement = GetStaticClass(element);
extensionMethod = FindExtensionMethodInClass(classElement, methodName, callerType, qualifier);
if (extensionMethod != null)
{
return(extensionMethod);
}
}
}
return(null);
}
private IEnumerable <TextRange> GetWrongNamespaceNameRanges(ISourceFile scope, INamespaceElement namespaceElement)
{
foreach (var range in GetNameSpaceRanges(scope, namespaceElement))
{
// Find first namespace part in the same line
INamespaceElement rootNamespace = namespaceElement;
TextRange startRange = range;
while (rootNamespace.ParentNamespace != null)
{
rootNamespace = rootNamespace.ParentNamespace;
startRange = (from tempRange in GetNameSpaceRanges(scope, rootNamespace) where tempRange.Start.Line == range.End.Line select tempRange).DefaultIfEmpty(startRange).First();
}
// Find last namespace part in the same line
INamespaceElement childNamespace;
INamespaceElement temp = namespaceElement;
do
{
childNamespace = temp;
temp = (from child in childNamespace.Namespaces.Cast <INamespaceElement>()
where
(from tempRange in GetNameSpaceRanges(scope, child) where tempRange.End.Line == range.Start.Line select range).Any()
select child).FirstOrDefault();
}while (temp != null);
TextRange endRange = (from tempRange in GetNameSpaceRanges(scope, childNamespace) where tempRange.End.Line == range.Start.Line select tempRange).FirstOrDefault();
yield return(new TextRange(startRange.Start, endRange.End));
}
}
private bool NamespaceShouldBeUpdated(ISourceFile scope, IElement element, string expectedNamespace)
{
INamespaceElement namespaceElement = element as INamespaceElement;
if (namespaceElement == null)
{
return(false);
}
string currentNamespace = CurrentNamespace(namespaceElement);
bool namespaceIsDefault = expectedNamespace == currentNamespace || (ContainsOnlyNamespacesOrUsings(scope, namespaceElement) && expectedNamespace.StartsWith(currentNamespace));
return(!namespaceIsDefault);
}
private IEnumerable <TextRange> GetNameSpaceRanges(ISourceFile scope, INamespaceElement namespaceElement)
{
if (namespaceElement == null || scope == null)
{
yield break;
}
int filesCount = namespaceElement.Files.Count;
if (filesCount > 1)
{
for (int i = 0; i < filesCount; i++)
{
ISourceFile elementFile = namespaceElement.Files[i];
if (elementFile.Name == scope.Name &&
i < namespaceElement.NameRanges.Count)
{
yield return(namespaceElement.NameRanges[i]);
}
}
yield break;
}
yield return(namespaceElement.FirstNameRange);
}
private bool ContainsOnlyNamespacesOrUsings(ISourceFile scope, INamespaceElement namespaceElement)
{
return namespaceElement.Children.All<IElement>(child => !IsInScope(scope, child) || child is INamespaceElement || child is INamespaceReference);
}
private string CurrentNamespace(INamespaceElement namespaceElement)
{
return namespaceElement.FullName;
}
private IEnumerable<TextRange> GetWrongNamespaceNameRanges(ISourceFile scope, INamespaceElement namespaceElement)
{
foreach (var range in GetNameSpaceRanges(scope, namespaceElement))
{
// Find first namespace part in the same line
INamespaceElement rootNamespace = namespaceElement;
TextRange startRange = range;
while (rootNamespace.ParentNamespace != null)
{
rootNamespace = rootNamespace.ParentNamespace;
startRange = (from tempRange in GetNameSpaceRanges(scope, rootNamespace) where tempRange.Start.Line == range.End.Line select tempRange).DefaultIfEmpty(startRange).First();
}
// Find last namespace part in the same line
INamespaceElement childNamespace;
INamespaceElement temp = namespaceElement;
do
{
childNamespace = temp;
temp = (from child in childNamespace.Namespaces.Cast<INamespaceElement>()
where
(from tempRange in GetNameSpaceRanges(scope, child) where tempRange.End.Line == range.Start.Line select range).Any()
select child).FirstOrDefault();
}
while (temp != null);
TextRange endRange = (from tempRange in GetNameSpaceRanges(scope, childNamespace) where tempRange.End.Line == range.Start.Line select tempRange).FirstOrDefault();
yield return new TextRange(startRange.Start, endRange.End);
}
}
private IEnumerable<TextRange> GetNameSpaceRanges(ISourceFile scope, INamespaceElement namespaceElement)
{
if (namespaceElement == null || scope == null) yield break;
int filesCount = namespaceElement.Files.Count;
if (filesCount > 1)
{
for (int i = 0; i < filesCount; i++)
{
ISourceFile elementFile = namespaceElement.Files[i];
if (elementFile.Name == scope.Name
&& i < namespaceElement.NameRanges.Count)
yield return namespaceElement.NameRanges[i];
}
yield break;
}
yield return namespaceElement.FirstNameRange;
}
private IMethodElement FindExtensionMethodInNamespace(INamespaceElement namespaceElement, string methodName, ITypeElement callerType, Expression qualifier)
{
IClassElement classElement;
IMethodElement extensionMethod;
foreach (ITypeElement namespaceChild in namespaceElement.Types)
{
classElement = GetStaticClass(namespaceChild);
if (classElement == null)
continue;
extensionMethod = FindExtensionMethodInClass(classElement, methodName, callerType, qualifier);
if (extensionMethod != null)
return extensionMethod;
}
foreach (INamespaceElement childNamespace in namespaceElement.Namespaces)
{
extensionMethod = FindExtensionMethodInNamespace(childNamespace, methodName, callerType,qualifier);
if (extensionMethod != null)
return extensionMethod;
}
return null;
}
private bool ContainsOnlyNamespacesOrUsings(ISourceFile scope, INamespaceElement namespaceElement)
{
return(namespaceElement.Children.All <IElement>(child => !IsInScope(scope, child) || child is INamespaceElement || child is INamespaceReference));
}
private string CurrentNamespace(INamespaceElement namespaceElement)
{
return(namespaceElement.FullName);
}
