private void HandleInclude(
[CanBeNull] string includeFileName,
[NotNull] T4DirectiveAttribute fileAttr,
[NotNull] CompositeElement parentElement,
bool once
)
{
FileSystemPath includePath = ResolveInclude(includeFileName);
if (includePath.IsEmpty)
{
fileAttr.ValueError = String.Format(CultureInfo.InvariantCulture, "Unresolved file \"{0}\"", includePath);
return;
}
if (!_existingIncludePaths.Add(includePath))
{
if (!once)
{
fileAttr.ValueError = String.Format(CultureInfo.InvariantCulture, "Already included file \"{0}\"", includePath);
}
return;
}
FileSystemPath sourceLocation = _sourceFile.GetLocation();
if (includePath == sourceLocation)
{
fileAttr.ValueError = "Recursive include";
_existingIncludePaths.Add(includePath);
return;
}
if (!includePath.ExistsFile)
{
fileAttr.ValueError = String.Format(CultureInfo.InvariantCulture, "File \"{0}\" not found", includePath);
return;
}
// find the matching include in the existing solution source files
// or create a new one if the include file is outside the solution
IPsiSourceFile includeSourceFile = includePath.FindSourceFileInSolution(_solution) ?? CreateIncludeSourceFile(includePath);
if (includeSourceFile == null)
{
fileAttr.ValueError = "No current solution";
return;
}
ILexer includeLexer = CreateLexer(includeSourceFile);
var builder = new T4TreeBuilder(_t4Environment, _directiveInfoManager, includeLexer, includeSourceFile, _existingIncludePaths, _solution, _macroResolveModule);
T4Include include = builder.CreateIncludeT4Tree();
include.Path = includePath;
_includes.Add(include);
// do not use AppendNewChild, we don't want the PsiBuilderLexer to move line breaks from the include into the main file.
parentElement.AddChild(include);
}