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ByteStream print unknown bytes for inspection

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Nat Quayle Nelson
2022-06-12 18:08:24 +00:00
parent 08c10a8ad2
commit 0dc5d831c4
1 changed files with 17 additions and 9 deletions
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26
src/kiss/ByteStream.hx
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@@ -72,27 +72,35 @@ class ByteStream {
}
public function unknownBytes(num:Int) {
trace('Warning: ignoring $num unknown bytes starting at ${posToPrint()} in $file');
paddingBytes(num);
var startPos = position;
paddingBytes(num, true);
var hexString = [for (p in collectedPadding) p.hex(2)].join(" ");
trace('Warning: ignoring $num unknown bytes starting at ${posToPrint(startPos)} in $file: $collectedPadding ($hexString)');
}
public function paddingBytes(num) {
for (_ in 0...num) readByte();
var collectedPadding:Array<Int> = [];
public function paddingBytes(num, collect=false) {
if (collect)
collectedPadding = [for (_ in 0...num) readByte()];
else
for (_ in 0...num) readByte();
}
public function paddingUntil(pos:String) {
public function paddingUntil(pos:String, collect=false) {
var nextPos = Std.parseInt(pos);
var startPos = position;
if (nextPos <= position) {
throw 'given position $pos ($nextPos) is <= stream ${posToPrint()} in $file';
}
paddingBytes(nextPos - position);
return nextPos - position;
paddingBytes(nextPos - position, collect);
return nextPos - startPos;
}
public function unknownUntil(pos:String) {
var startPos = position;
var num = paddingUntil(pos);
trace('Warning: ignoring $num unknown bytes starting at ${posToPrint(startPos)} in $file');
var num = paddingUntil(pos, true);
var hexString = [for (p in collectedPadding) p.hex(2)].join(" ");
trace('Warning: ignoring $num unknown bytes starting at ${posToPrint(startPos)} in $file: $collectedPadding ($hexString)');
}
public function tracePosition() {