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Fix: resolve project file paths case-insensitively (Linux block code lost) #256

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Merged
jogibear9988 merged 1 commit into from
Jun 12, 2026
Merged

Fix: resolve project file paths case-insensitively (Linux block code lost) #256

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44 changes: 41 additions & 3 deletions LibNoDaveConnectionLibrary/General/ZipHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,7 @@ public Stream GetReadStream(string file)
if (_zipFile == null)
{
#endif
return new FileStream(file, FileMode.Open, FileAccess.Read, System.IO.FileShare.ReadWrite);
return new FileStream(ResolveCaseInsensitivePath(file), FileMode.Open, FileAccess.Read, System.IO.FileShare.ReadWrite);
#if SHARPZIPLIB
}
else
Expand Down Expand Up @@ -161,7 +161,7 @@ public Stream GetWriteStream(string file)
if (_zipFile == null)
{
#endif
return new FileStream(file, FileMode.Open, FileAccess.Write, System.IO.FileShare.ReadWrite);
return new FileStream(ResolveCaseInsensitivePath(file), FileMode.Open, FileAccess.Write, System.IO.FileShare.ReadWrite);
#if SHARPZIPLIB
}
else
Expand Down Expand Up @@ -249,13 +249,51 @@ public long GetStreamLength(string file, Stream strm)
}
#endif
}
// STEP7 legt Dateien gemischt groß/klein ab (z.B. SUBBLK.DBT), die Library baut Pfade aber
// mit fester Schreibweise (z.B. ".dbt" klein in ParseDBF.openMemoFile). Auf case-sensitiven
// Dateisystemen (Linux) wird die Datei dann nicht gefunden -> Block-Code bleibt leer.
// Diese Methode löst einen Pfad case-insensitiv gegen das echte Dateisystem auf.
// Auf Windows (case-insensitiv) ist das ein No-Op über den File.Exists-Fastpath.
private static string ResolveCaseInsensitivePath(string file)
{
if (string.IsNullOrEmpty(file) || File.Exists(file) || Directory.Exists(file))
return file;
try
{
bool rooted = Path.IsPathRooted(file);
var parts = file.Split('/', '\\');
string cur = rooted ? "/" : ".";
for (int i = (rooted ? 1 : 0); i < parts.Length; i++)
{
var part = parts[i];
if (part.Length == 0) continue;
string next = Path.Combine(cur, part);
if (File.Exists(next) || Directory.Exists(next)) { cur = next; continue; }
string match = null;
try
{
foreach (var entry in Directory.GetFileSystemEntries(cur))
{
if (string.Equals(Path.GetFileName(entry), part, StringComparison.OrdinalIgnoreCase))
{ match = entry; break; }
}
}
catch { }
if (match == null) return file;
cur = match;
}
return cur;
}
catch { return file; }
}

public bool FileExists(string file)
{
#if SHARPZIPLIB
if (_zipFile == null)
{
#endif
return System.IO.File.Exists(file);
return File.Exists(ResolveCaseInsensitivePath(file));
#if SHARPZIPLIB
}
else
Expand Down
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