public override string GetCanonicalPath(string path, IPathCache cache)
{
DirectoryInfo parent = Directory.GetParent(path);
if (parent != null)
{
string name = Path.GetFileName(path);
string parentPath = cache.GetCanonicalPath(parent.FullName);
try
{
string[] entries = Directory.GetFileSystemEntries(parentPath, name);
return(entries.Length == 1 ?
entries[0] :
Path.Combine(parentPath, name));
}
catch (Exception)
{
// IO error or security error querying directory.
return(Path.Combine(parentPath, name));
}
}
else
{
// We are at a root of the filesystem.
// Convert drive letters, UNC paths etc. to uppercase.
// On UNIX, this should be "/" or "".
return(path.ToUpperInvariant());
}
}
public SolutionForDependencyPathRules(
IPathCache pathCache,
IReadOnlyDictionary <ProjectId, IDotNetProject> projectsById)
{
_pathCache = pathCache;
_projectsById = projectsById;
}
public void Check(IPathCache cache, IAnalysisReportInProgress report)
{
foreach (var dependencyRule in _rules)
{
cache.Check(dependencyRule, report);
}
}
/// <summary>
/// Constructs a canonical path for a file
/// which doesn't yet exist.
/// </summary>
/// <param name="path">Path to canonicalise.</param>
/// <param name="cache">The PathCache.</param>
/// <returns>A canonical path.</returns>
protected static string ConstructCanonicalPath(string path, IPathCache cache)
{
DirectoryInfo parent = Directory.GetParent(path);
return(parent != null?
Path.Combine(cache.GetCanonicalPath(parent.FullName), Path.GetFileName(path)) :
path.ToUpperInvariant());
}
public override string GetCanonicalPath(string path, IPathCache cache)
{
try
{
return(GetRealPath(path));
}
catch
{
// File does not exist
return(ConstructCanonicalPath(path, cache));
}
}
public override string GetCanonicalPath(string path, IPathCache cache)
{
try
{
return(GetRealPath(path));
}
catch // lgtm[cs/catch-of-all-exceptions]
{
// File does not exist
return(ConstructCanonicalPath(path, cache));
}
}
/// <summary>
/// Call GetFinalPathNameByHandle() to get a canonical filename.
/// Follows symlinks.
/// </summary>
///
/// <remarks>
/// GetFinalPathNameByHandle() only works on open file handles,
/// so if the path doesn't yet exist, construct the path
/// by appending the filename to the canonical parent directory.
/// </remarks>
///
/// <param name="path">The path to canonicalise.</param>
/// <param name="cache">Subquery cache.</param>
/// <returns>The canonical path.</returns>
public override string GetCanonicalPath(string path, IPathCache cache)
{
using (var hFile = Win32.CreateFile(
path,
0,
Win32.FILE_SHARE_READ | Win32.FILE_SHARE_WRITE,
IntPtr.Zero,
Win32.OPEN_EXISTING,
Win32.FILE_FLAG_BACKUP_SEMANTICS,
IntPtr.Zero))
{
if (hFile.IsInvalid)
{
// File/directory does not exist.
return(ConstructCanonicalPath(path, cache));
}
else
{
StringBuilder outPath = new StringBuilder(Win32.MAX_PATH);
int length = Win32.GetFinalPathNameByHandle(hFile, outPath, outPath.Capacity, 0);
if (length >= outPath.Capacity)
{
// Path length exceeded MAX_PATH.
// Possible if target has a long path.
outPath = new StringBuilder(length + 1);
length = Win32.GetFinalPathNameByHandle(hFile, outPath, outPath.Capacity, 0);
}
const int PREAMBLE = 4; // outPath always starts \\?\
if (length <= PREAMBLE)
{
// Failed. GetFinalPathNameByHandle() failed somehow.
return(ConstructCanonicalPath(path, cache));
}
string result = outPath.ToString(PREAMBLE, length - PREAMBLE); // Trim off leading \\?\
return(result.StartsWith("UNC") ?
@"\" + result.Substring(3) :
result);
}
}
}
/// <summary> /// Obtain a canonical path. /// </summary> /// <param name="path">The path to canonicalise.</param> /// <param name="cache">A cache for making subqueries.</param> /// <returns>The canonical path.</returns> public abstract string GetCanonicalPath(string path, IPathCache cache);
/// <summary>
/// Default constructor reads parameters from the environment.
/// </summary>
public PathTransformer(IPathCache pathCache) :
this(pathCache, Environment.GetEnvironmentVariable("CODEQL_PATH_TRANSFORMER") is string file ? File.ReadAllLines(file) : null)
