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authorJohn Schoenick <[email protected]>2015-09-09 18:35:41 -0700
committerJohn Schoenick <[email protected]>2015-09-09 18:35:41 -0700
commit0d8dceea4310fde5706b3ce1c70609d72a38efdf (patch)
treec831ef32c2c801a5c5a80401736b52c7b5a528ec /sp/src/utils/lzma/C/7zip/Compress/LZ/LZOutWindow.h
parentUpdated the SDK with the latest code from the TF and HL2 branches. (diff)
downloadsource-sdk-2013-master.tar.xz
source-sdk-2013-master.zip
Updated the SDK with the latest code from the TF and HL2 branches.HEADmaster
Diffstat (limited to 'sp/src/utils/lzma/C/7zip/Compress/LZ/LZOutWindow.h')
-rw-r--r--sp/src/utils/lzma/C/7zip/Compress/LZ/LZOutWindow.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/sp/src/utils/lzma/C/7zip/Compress/LZ/LZOutWindow.h b/sp/src/utils/lzma/C/7zip/Compress/LZ/LZOutWindow.h
new file mode 100644
index 00000000..3c50c6e7
--- /dev/null
+++ b/sp/src/utils/lzma/C/7zip/Compress/LZ/LZOutWindow.h
@@ -0,0 +1,56 @@
+// LZOutWindow.h
+
+#ifndef __LZ_OUT_WINDOW_H
+#define __LZ_OUT_WINDOW_H
+
+#include "../../IStream.h"
+#include "../../Common/OutBuffer.h"
+
+#ifndef _NO_EXCEPTIONS
+typedef COutBufferException CLZOutWindowException;
+#endif
+
+class CLZOutWindow: public COutBuffer
+{
+public:
+ void Init(bool solid = false);
+
+ // distance >= 0, len > 0,
+ bool CopyBlock(UInt32 distance, UInt32 len)
+ {
+ UInt32 pos = _pos - distance - 1;
+ if (distance >= _pos)
+ {
+ if (!_overDict || distance >= _bufferSize)
+ return false;
+ pos += _bufferSize;
+ }
+ do
+ {
+ if (pos == _bufferSize)
+ pos = 0;
+ _buffer[_pos++] = _buffer[pos++];
+ if (_pos == _limitPos)
+ FlushWithCheck();
+ }
+ while(--len != 0);
+ return true;
+ }
+
+ void PutByte(Byte b)
+ {
+ _buffer[_pos++] = b;
+ if (_pos == _limitPos)
+ FlushWithCheck();
+ }
+
+ Byte GetByte(UInt32 distance) const
+ {
+ UInt32 pos = _pos - distance - 1;
+ if (pos >= _bufferSize)
+ pos += _bufferSize;
+ return _buffer[pos];
+ }
+};
+
+#endif