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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /other-licenses/7zstub/src/Java/SevenZip/Compression/LZ/OutWindow.java | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 0000000000..620cb41b47 --- /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];
+ }
+}
|