private IList <IPostfixLookupItem> TryReparseWith([NotNull] ISolution solution, [NotNull] ITextControl textControl,
[NotNull] string templateName, [NotNull] string reparseString)
{
var offset = textControl.Caret.Offset();
var document = textControl.Document;
try
{
document.InsertText(offset, reparseString);
solution.GetPsiServices().CommitAllDocuments();
var itemsOwner = myItemsOwnerFactory.CreateLookupItemsOwner(textControl);
var executionContext = new PostfixExecutionContext(
myLifetime, solution, textControl, itemsOwner, reparseString, false);
foreach (var position in TextControlToPsi.GetElements <ITokenNode>(solution, document, offset))
{
var postfixContext = myTemplatesManager.IsAvailable(position, executionContext);
if (postfixContext == null)
{
continue;
}
return(myTemplatesManager.CollectItems(postfixContext, templateName: templateName));
}
return(null);
}
finally
{
var reparseRange = TextRange.FromLength(offset, reparseString.Length);
document.DeleteText(reparseRange);
}
}
protected PostfixTemplateContext([NotNull] ITreeNode reference,
[NotNull] ICSharpExpression expression,
[NotNull] PostfixExecutionContext executionContext)
{
myInnerExpression = expression;
Reference = reference;
PsiModule = reference.GetPsiModule();
ExecutionContext = executionContext;
}
public ReferenceNamePostfixTemplateContext([NotNull] IReferenceName reference,
[NotNull] ICSharpExpression expression,
[NotNull] PostfixExecutionContext executionContext)
: base(reference, expression, executionContext)
{
}
public PostfixTemplateContext IsAvailable([CanBeNull] ITreeNode position, [NotNull] PostfixExecutionContext context)
{
if (!(position is ICSharpIdentifier))
{
return(null);
}
// expr.__
var referenceExpression = position.Parent as IReferenceExpression;
if (referenceExpression != null && referenceExpression.Delimiter != null)
{
var expression = referenceExpression.QualifierExpression;
if (expression != null)
{
// protect from 'o.M(.var)'
var invocation = expression as IInvocationExpression;
if (invocation != null && invocation.LPar != null && invocation.RPar == null)
{
var argument = invocation.Arguments.LastOrDefault();
if (argument != null && argument.Expression == null)
{
return(null);
}
}
// protect from 'smth.var\n(someCode).InBraces()'
invocation = referenceExpression.Parent as IInvocationExpression;
if (invocation != null)
{
for (ITokenNode lpar = invocation.LPar,
token = invocation.InvokedExpression.NextSibling as ITokenNode;
token != null && token != lpar && token.IsFiltered();
token = token.NextSibling as ITokenNode)
{
if (token.GetTokenType() == CSharpTokenType.NEW_LINE)
{
return(null);
}
}
}
// protect from 'doubleDot..var'
var qualifierReference = expression as IReferenceExpression;
if (qualifierReference != null && qualifierReference.NameIdentifier == null)
{
return(null);
}
return(new ReferenceExpressionPostfixTemplateContext(referenceExpression, expression, context));
}
}
// String.__
var referenceName = position.Parent as IReferenceName;
if (referenceName != null && referenceName.Qualifier != null && referenceName.Delimiter != null)
{
var typeUsage = referenceName.Parent as ITypeUsage;
if (typeUsage != null)
{
var expression = typeUsage.Parent as ICSharpExpression;
if (expression != null)
{
return(new ReferenceNamePostfixTemplateContext(referenceName, expression, context));
}
}
}
// string.__
var brokenStatement = FindBrokenStatement(position);
if (brokenStatement != null)
{
var expressionStatement = brokenStatement.PrevSibling as IExpressionStatement;
if (expressionStatement != null)
{
var expression = FindExpressionBrokenByKeyword(expressionStatement);
if (expression != null)
{
return(new BrokenStatementPostfixTemplateContext(brokenStatement, expression, context));
}
}
}
return(null);
}
public BrokenStatementPostfixTemplateContext([NotNull] ITreeNode reference,
[NotNull] ICSharpExpression expression,
[NotNull] PostfixExecutionContext executionContext)
: base(reference, expression, executionContext)
{
}
private IList<ILookupItem> TryReparseWith([NotNull] ISolution solution,
[NotNull] ITextControl textControl,
[NotNull] string templateName,
[NotNull] string reparseString)
{
var offset = textControl.Caret.Offset();
var document = textControl.Document;
try
{
document.InsertText(offset, reparseString);
solution.GetPsiServices().CommitAllDocuments();
var itemsOwner = myItemsOwnerFactory.CreateLookupItemsOwner(textControl);
var executionContext = new PostfixExecutionContext(
myLifetime, solution, textControl, itemsOwner, reparseString, false);
foreach (var position in TextControlToPsi.GetElements<ITokenNode>(solution, document, offset))
{
var postfixContext = myTemplatesManager.IsAvailable(position, executionContext);
if (postfixContext == null) continue;
return myTemplatesManager.CollectItems(postfixContext, templateName: templateName);
}
return null;
}
finally
{
var reparseRange = TextRange.FromLength(offset, reparseString.Length);
document.DeleteText(reparseRange);
}
}
