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authorStefan Reinauer <stepan@coresystems.de>2009-10-30 18:16:09 +0000
committerStefan Reinauer <stepan@openbios.org>2009-10-30 18:16:09 +0000
commit20d626572bf95cd20bfeec98e81a74a2b40366b8 (patch)
tree10202e31c07d52a43d0a4d37ce45aba3579e120c /payloads/bayou/util/pbuilder/lzma/C/7zip/Common/InBuffer.h
parent9ac9e94b452b5ac58b6f7c44f1356b8e212ffcec (diff)
downloadcoreboot-20d626572bf95cd20bfeec98e81a74a2b40366b8.tar.xz
drop svn:externals in the tree and add it locally.
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4898 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/bayou/util/pbuilder/lzma/C/7zip/Common/InBuffer.h')
-rw-r--r--payloads/bayou/util/pbuilder/lzma/C/7zip/Common/InBuffer.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/payloads/bayou/util/pbuilder/lzma/C/7zip/Common/InBuffer.h b/payloads/bayou/util/pbuilder/lzma/C/7zip/Common/InBuffer.h
new file mode 100644
index 0000000000..a59ecefacd
--- /dev/null
+++ b/payloads/bayou/util/pbuilder/lzma/C/7zip/Common/InBuffer.h
@@ -0,0 +1,76 @@
+// InBuffer.h
+
+#ifndef __INBUFFER_H
+#define __INBUFFER_H
+
+#include "../IStream.h"
+#include "../../Common/MyCom.h"
+
+#ifndef _NO_EXCEPTIONS
+class CInBufferException
+{
+public:
+ HRESULT ErrorCode;
+ CInBufferException(HRESULT errorCode): ErrorCode(errorCode) {}
+};
+#endif
+
+class CInBuffer
+{
+ Byte *_buffer;
+ Byte *_bufferLimit;
+ Byte *_bufferBase;
+ CMyComPtr<ISequentialInStream> _stream;
+ UInt64 _processedSize;
+ UInt32 _bufferSize;
+ bool _wasFinished;
+
+ bool ReadBlock();
+ Byte ReadBlock2();
+
+public:
+ #ifdef _NO_EXCEPTIONS
+ HRESULT ErrorCode;
+ #endif
+
+ CInBuffer();
+ ~CInBuffer() { Free(); }
+
+ bool Create(UInt32 bufferSize);
+ void Free();
+
+ void SetStream(ISequentialInStream *stream);
+ void Init();
+ void ReleaseStream() { _stream.Release(); }
+
+ bool ReadByte(Byte &b)
+ {
+ if(_buffer >= _bufferLimit)
+ if(!ReadBlock())
+ return false;
+ b = *_buffer++;
+ return true;
+ }
+ Byte ReadByte()
+ {
+ if(_buffer >= _bufferLimit)
+ return ReadBlock2();
+ return *_buffer++;
+ }
+ void ReadBytes(void *data, UInt32 size, UInt32 &processedSize)
+ {
+ for(processedSize = 0; processedSize < size; processedSize++)
+ if (!ReadByte(((Byte *)data)[processedSize]))
+ return;
+ }
+ bool ReadBytes(void *data, UInt32 size)
+ {
+ UInt32 processedSize;
+ ReadBytes(data, size, processedSize);
+ return (processedSize == size);
+ }
+ UInt64 GetProcessedSize() const { return _processedSize + (_buffer - _bufferBase); }
+ bool WasFinished() const { return _wasFinished; }
+};
+
+#endif