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feat: Introduce robust hashline anchor validation and new editing tools.

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This commit is contained in:
Tomi Eckert
2026-03-06 02:35:46 +01:00
parent 119e623f5a
commit 82ef63c731
3 changed files with 55 additions and 39 deletions
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13
Hashline/HashlineValidator.cs
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@@ -62,17 +62,14 @@ internal static class HashlineValidator
if (lineNumber < 1 || lineNumber > lines.Length)
{
error = $"Anchor '{anchor}': line {lineNumber} is out of range " +
$"(file has {lines.Length} line(s)).";
error = $"Anchor '{anchor}': line {lineNumber} is out of range. Re-read the file ({lines.Length} lines).";
return false;
}
string actualHash = HashlineEncoder.ComputeHash(lines[lineNumber - 1].AsSpan(), lineNumber);
if (!string.Equals(actualHash, expectedHash, StringComparison.OrdinalIgnoreCase))
{
error = $"Anchor '{anchor}': hash mismatch at line {lineNumber} " +
$"(expected '{expectedHash}', got '{actualHash}'). " +
$"The file has changed — re-read before editing.";
error = $"Anchor '{anchor}': hash mismatch at line {lineNumber}. The file has changed — re-read before editing.";
return false;
}
@@ -98,10 +95,7 @@ internal static class HashlineValidator
out int endIndex,
out string error)
{
startIndex = -1;
endIndex = -1;
error = string.Empty;
if (!TryResolve(startAnchor, lines, out startIndex, out error))
return false;
@@ -110,8 +104,7 @@ internal static class HashlineValidator
if (startIndex > endIndex)
{
error = $"Range error: start anchor '{startAnchor}' (line {startIndex + 1}) " +
$"is after end anchor '{endAnchor}' (line {endIndex + 1}).";
error = $"Range error: start anchor is after end anchor.";
return false;
}