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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
| commit | 88083f8c683c18f4de68a20c863a82a9da65db8f (patch) | |
| tree | 926656892d9d80260da02ea8ea71031b140c51df /other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java | |
| parent | f999f544aad04069b03704d994a99352263f600b (diff) | |
| parent | 843e4ceffd6ce21a6e6db37419335eafdc543e18 (diff) | |
| download | UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.gz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.lz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.xz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.zip | |
Merge branch 'master' into Sync-weave
Diffstat (limited to 'other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java')
| -rw-r--r-- | other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java new file mode 100644 index 000000000..620cb41b4 --- /dev/null +++ b/other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java @@ -0,0 +1,85 @@ +// LZ.OutWindow
+
+package SevenZip.Compression.LZ;
+
+import java.io.IOException;
+
+public class OutWindow
+{
+ byte[] _buffer;
+ int _pos;
+ int _windowSize = 0;
+ int _streamPos;
+ java.io.OutputStream _stream;
+
+ public void Create(int windowSize)
+ {
+ if (_buffer == null || _windowSize != windowSize)
+ _buffer = new byte[windowSize];
+ _windowSize = windowSize;
+ _pos = 0;
+ _streamPos = 0;
+ }
+
+ public void SetStream(java.io.OutputStream stream) throws IOException
+ {
+ ReleaseStream();
+ _stream = stream;
+ }
+
+ public void ReleaseStream() throws IOException
+ {
+ Flush();
+ _stream = null;
+ }
+
+ public void Init(boolean solid)
+ {
+ if (!solid)
+ {
+ _streamPos = 0;
+ _pos = 0;
+ }
+ }
+
+ public void Flush() throws IOException
+ {
+ int size = _pos - _streamPos;
+ if (size == 0)
+ return;
+ _stream.write(_buffer, _streamPos, size);
+ if (_pos >= _windowSize)
+ _pos = 0;
+ _streamPos = _pos;
+ }
+
+ public void CopyBlock(int distance, int len) throws IOException
+ {
+ int pos = _pos - distance - 1;
+ if (pos < 0)
+ pos += _windowSize;
+ for (; len != 0; len--)
+ {
+ if (pos >= _windowSize)
+ pos = 0;
+ _buffer[_pos++] = _buffer[pos++];
+ if (_pos >= _windowSize)
+ Flush();
+ }
+ }
+
+ public void PutByte(byte b) throws IOException
+ {
+ _buffer[_pos++] = b;
+ if (_pos >= _windowSize)
+ Flush();
+ }
+
+ public byte GetByte(int distance)
+ {
+ int pos = _pos - distance - 1;
+ if (pos < 0)
+ pos += _windowSize;
+ return _buffer[pos];
+ }
+}
|