private CodeImport GetImport(CodeElements codeElements)
{
List <CodeElement2> elements = codeElements.Cast <CodeElement2>().ToList();
CodeImport imp = elements.FirstOrDefault(codeElement => codeElement.Kind == vsCMElement.vsCMElementIDLImport) as CodeImport;
return(imp);
}
private static string GetNamespace(CodeElements attrs)
{
if (attrs == null)
{
return(DefaultModuleName);
}
var namespaceFromAttr = from a in attrs.Cast <CodeAttribute2>()
where a.Name.EndsWith(ModuleNameAttributeName, StringComparison.OrdinalIgnoreCase)
from arg in a.Arguments.Cast <CodeAttributeArgument>()
let v = (arg.Value ?? "").Trim('\"')
where !string.IsNullOrWhiteSpace(v)
select v;
return(namespaceFromAttr.FirstOrDefault() ?? DefaultModuleName);
}
private static CodeElement GetCodeElementAtTextPoint(vsCMElement eRequestedCodeElementKind, CodeElements colCodeElements, EnvDTE.TextPoint objTextPoint)
{
CodeElement objResultCodeElement = null;
if (colCodeElements == null)
{
return(null);
}
foreach (var objCodeElement in colCodeElements.Cast <CodeElement>())
{
if (objCodeElement.StartPoint.GreaterThan(objTextPoint))
{
// The code element starts beyond the point
}
else if (objCodeElement.EndPoint.LessThan(objTextPoint))
{
// The code element ends before the point
// The code element contains the point
}
else
{
if (objCodeElement.Kind == eRequestedCodeElementKind)
{
// Found
objResultCodeElement = objCodeElement;
}
// We enter in recursion, just in case there is an inner code element that also
// satisfies the conditions, for example, if we are searching a namespace or a class
var colCodeElementMembers = GetCodeElementMembers(objCodeElement);
var objMemberCodeElement = GetCodeElementAtTextPoint(eRequestedCodeElementKind, colCodeElementMembers, objTextPoint);
if ((objMemberCodeElement != null))
{
// A nested code element also satisfies the conditions
objResultCodeElement = objMemberCodeElement;
}
break;
}
}
return(objResultCodeElement);
}
/// <summary>
/// 获取类
/// </summary>
/// <param name="codeElements"></param>
/// <returns></returns>
private CodeClass2 GetClass(CodeElements codeElements)
{
List <CodeElement2> elements = codeElements.Cast <CodeElement2>().ToList();
CodeClass2 result = elements.FirstOrDefault(codeElement => codeElement.Kind == vsCMElement.vsCMElementClass) as CodeClass2;
if (result != null)
{
return(result);
}
foreach (CodeElement2 codeElement in elements)
{
result = GetClass(codeElement.Children);
if (result != null)
{
return(result);
}
}
return(null);
}
/// <summary>
/// 获取类
/// </summary>
/// <param name="codeElements"></param>
/// <returns></returns>
public static CodeClass GetClass(CodeElements codeElements)
{
var elements = codeElements.Cast <CodeElement>().ToList();
var result = elements.FirstOrDefault(codeElement => codeElement.Kind == vsCMElement.vsCMElementClass) as CodeClass;
if (result != null)
{
return(result);
}
foreach (var codeElement in elements)
{
result = GetClass(codeElement.Children);
if (result != null)
{
return(result);
}
}
return(null);
}
/// <summary>
/// 获取类
/// </summary>
/// <param name="codeElements"></param>
/// <returns></returns>
private static CodeClass GetClass(CodeElements codeElements)
{
ThreadHelper.ThrowIfNotOnUIThread();
List <CodeElement> elements = codeElements.Cast <CodeElement>().ToList();
if (elements.FirstOrDefault(codeElement => { ThreadHelper.ThrowIfNotOnUIThread(); return(codeElement.Kind == vsCMElement.vsCMElementClass); }) is CodeClass result)
{
return(result);
}
foreach (var codeElement in elements)
{
result = GetClass(codeElement.Children);
if (result != null)
{
return(result);
}
}
return(null);
}
private static CodeElement GetCodeElementAtTextPoint(vsCMElement eRequestedCodeElementKind, CodeElements colCodeElements, EnvDTE.TextPoint objTextPoint)
{
CodeElement objResultCodeElement = null;
if (colCodeElements == null) return null;
foreach (var objCodeElement in colCodeElements.Cast<CodeElement>()) {
if (objCodeElement.StartPoint.GreaterThan(objTextPoint)) {
// The code element starts beyond the point
}
else if (objCodeElement.EndPoint.LessThan(objTextPoint)) {
// The code element ends before the point
// The code element contains the point
}
else {
if (objCodeElement.Kind == eRequestedCodeElementKind) {
// Found
objResultCodeElement = objCodeElement;
}
// We enter in recursion, just in case there is an inner code element that also
// satisfies the conditions, for example, if we are searching a namespace or a class
var colCodeElementMembers = GetCodeElementMembers(objCodeElement);
var objMemberCodeElement = GetCodeElementAtTextPoint(eRequestedCodeElementKind, colCodeElementMembers, objTextPoint);
if ((objMemberCodeElement != null)) {
// A nested code element also satisfies the conditions
objResultCodeElement = objMemberCodeElement;
}
break;
}
}
return objResultCodeElement;
}
/// <summary>
/// 获取类
/// </summary>
/// <param name="codeElements"></param>
/// <returns></returns>
public static CodeClass GetClass(CodeElements codeElements)
{
Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread();
var elements = codeElements.Cast <CodeElement>().ToList();
var result = elements.FirstOrDefault(codeElement => codeElement.Kind == vsCMElement.vsCMElementClass) as CodeClass;
if (result != null)
{
return(result);
}
foreach (var codeElement in elements)
{
result = GetClass(codeElement.Children);
if (result != null)
{
return(result);
}
}
return(null);
}
private CodeClass GetClass(CodeElements codeElements)
{
var elements = codeElements.Cast<CodeElement>().ToList();
var result = elements.FirstOrDefault(codeElement => codeElement.Kind == vsCMElement.vsCMElementClass) as CodeClass;
if (result != null)
{
return result;
}
foreach (var codeElement in elements)
{
result = GetClass(codeElement.Children);
if (result != null)
{
return result;
}
}
return null;
}
private static string GetNamespace(CodeElements attrs)
{
if (attrs == null) return DefaultModuleName;
var namespaceFromAttr = from a in attrs.Cast<CodeAttribute2>()
where a.Name.EndsWith(ModuleNameAttributeName, StringComparison.OrdinalIgnoreCase)
from arg in a.Arguments.Cast<CodeAttributeArgument>()
let v = (arg.Value ?? "").Trim('\"')
where !string.IsNullOrWhiteSpace(v)
select v;
return namespaceFromAttr.FirstOrDefault() ?? DefaultModuleName;
}
/// <summary>
/// Extends elements by given part constraint (if constraint is <c>null</c> all elements are returned).
/// </summary>
/// <param name="elements">Elements to be extended.</param>
/// <param name="part">Extending part constraint.</param>
/// <returns>Extended element positions.</returns>
public static IEnumerable <ElementPosition> ExtendElements(CodeElements elements, string part)
{
return(ExtendElements(elements.Cast <CodeElement>(), part));
}