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implement missing method

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Haven1433 2022-09-03 21:01:47 -05:00
parent 5630ea5eb9
commit b81bd0506a
1 changed files with 15 additions and 1 deletions
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16
src/HexManiac.Core/Models/Runs/TableStreamRun.cs
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@ -480,7 +480,21 @@ namespace HavenSoft.HexManiac.Core.Models.Runs {
public int ExtraLength => 0;
public TableStreamRun Append(TableStreamRun run, ModelDelta token, int length) {
throw new NotImplementedException();
var naturalLength = run.Length;
var newRun = model.RelocateForExpansion(token, run, naturalLength + length * run.ElementLength);
// add new element data
for (int i = 0; i < run.ElementLength * length; i++) {
var prevIndex = newRun.Start + naturalLength + i - newRun.ElementLength * length;
while (prevIndex < newRun.Start) prevIndex += newRun.ElementLength;
byte prevData = prevIndex >= newRun.Start ? model[prevIndex] : default;
token.ChangeData(model, newRun.Start + naturalLength + i, prevData);
}
// remove excess element data
for (int i = naturalLength + length * run.ElementLength; i < naturalLength; i++) token.ChangeData(model, newRun.Start + i, 0xFF);
return new TableStreamRun(model, newRun.Start, run.PointerSources, run.FormatString, run.ElementContent, this, run.ElementCount + length);
}
public int GetCount(int start, int elementLength, IReadOnlyList<int> pointerSources) {