public SourceFile OpenInclude(string includeFilename, SourceFile currentFile)
{
SourceText text;
includeFilename = includeFilename
.Replace('/', Path.DirectorySeparatorChar)
.Replace('\\', Path.DirectorySeparatorChar);
// Check for invalid path chars.
if (includeFilename.Any(x => Path.GetInvalidPathChars().Contains(x)))
{
return(null);
}
// If path is rooted, open it directly.
if (Path.IsPathRooted(includeFilename))
{
if (_fileSystem.TryGetFile(includeFilename, out text))
{
return(new SourceFile(text, currentFile));
}
return(null);
}
// Look through the hierarchy of files that included currentFile, to see if any of their
// directories contain the include.
var fileToCheck = currentFile;
while (fileToCheck != null)
{
if (fileToCheck.FilePath != null)
{
var rootFileDirectory = Path.GetDirectoryName(fileToCheck.FilePath);
var testFilename = Path.Combine(rootFileDirectory, includeFilename);
if (_fileSystem.TryGetFile(testFilename, out text))
{
return(new SourceFile(text, currentFile));
}
}
fileToCheck = fileToCheck.IncludedBy;
}
// Then try additional include directories.
foreach (var includeDirectory in _parserOptions.AdditionalIncludeDirectories)
{
var testFilename = Path.Combine(includeDirectory, includeFilename);
if (_fileSystem.TryGetFile(testFilename, out text))
{
return(new SourceFile(text, currentFile));
}
}
return(null);
}
public SourceText OpenInclude(string includeFilename, string currentFilename, string rootFilename, IEnumerable <string> additionalIncludeDirectories)
{
SourceText text;
// Check for invalid path chars.
if (includeFilename.Any(x => Path.GetInvalidPathChars().Contains(x)))
{
return(null);
}
// If path is rooted, open it directly.
if (Path.IsPathRooted(includeFilename))
{
_fileSystem.TryGetFile(includeFilename, out text);
return(text);
}
// If current file has been saved (i.e. has a filename), try same directory as current file.
if (currentFilename != null)
{
var rootFileDirectory = Path.GetDirectoryName(currentFilename);
if (_fileSystem.TryGetFile(Path.Combine(rootFileDirectory, includeFilename), out text))
{
return(text);
}
}
// If this is not the root file, try same directory as root file.
if (rootFilename != currentFilename)
{
var rootFileDirectory = Path.GetDirectoryName(rootFilename);
if (_fileSystem.TryGetFile(Path.Combine(rootFileDirectory, includeFilename), out text))
{
return(text);
}
}
// Then try additional include directories.
foreach (var includeDirectory in additionalIncludeDirectories)
{
if (_fileSystem.TryGetFile(Path.Combine(includeDirectory, includeFilename), out text))
{
return(text);
}
}
return(null);
}
public SourceFile OpenInclude(string includeFilename, SourceFile currentFile)
{
SourceText text;
includeFilename = includeFilename
.Replace('/', Path.DirectorySeparatorChar)
.Replace('\\', Path.DirectorySeparatorChar);
// Resolve virtual directory mappings.
if (includeFilename.StartsWith(Path.DirectorySeparatorChar.ToString()))
{
var secondSeparatorIndex = includeFilename.IndexOf(Path.DirectorySeparatorChar, 1);
if (secondSeparatorIndex != -1)
{
var virtualDirectory = includeFilename.Substring(0, secondSeparatorIndex);
var remainingPath = includeFilename.Substring(virtualDirectory.Length + 1);
if (_parserOptions.VirtualDirectoryMappings.TryGetValue(virtualDirectory, out var realDirectory))
{
includeFilename = Path.Combine(realDirectory, remainingPath);
}
}
}
// Check for invalid path chars.
if (includeFilename.Any(x => Path.GetInvalidPathChars().Contains(x)))
{
return(null);
}
// If path is rooted, open it directly.
if (Path.IsPathRooted(includeFilename))
{
if (_fileSystem.TryGetFile(includeFilename, out text))
{
return(new SourceFile(text, currentFile, includeFilename));
}
return(null);
}
// Look through the hierarchy of files that included currentFile, to see if any of their
// directories contain the include.
var fileToCheck = currentFile;
while (fileToCheck != null)
{
if (fileToCheck.FilePath != null)
{
var rootFileDirectory = Path.GetDirectoryName(fileToCheck.FilePath);
var testFilename = Path.Combine(rootFileDirectory, includeFilename);
if (_fileSystem.TryGetFile(testFilename, out text))
{
return(new SourceFile(text, currentFile, testFilename));
}
}
fileToCheck = fileToCheck.IncludedBy;
}
// Then try additional include directories.
foreach (var includeDirectory in _parserOptions.AdditionalIncludeDirectories)
{
var testFilename = Path.Combine(includeDirectory, includeFilename);
if (_fileSystem.TryGetFile(testFilename, out text))
{
return(new SourceFile(text, currentFile, testFilename));
}
}
return(null);
}
