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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/CPP/7zip/Compress/CopyCoder.cpp | |
| 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/CPP/7zip/Compress/CopyCoder.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Compress/CopyCoder.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Compress/CopyCoder.cpp b/other-licenses/7zstub/src/CPP/7zip/Compress/CopyCoder.cpp new file mode 100644 index 000000000..89b523765 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Compress/CopyCoder.cpp @@ -0,0 +1,120 @@ +// Compress/CopyCoder.cpp
+
+#include "StdAfx.h"
+
+#include "../../../C/Alloc.h"
+
+#include "CopyCoder.h"
+
+namespace NCompress {
+
+static const UInt32 kBufSize = 1 << 17;
+
+CCopyCoder::~CCopyCoder()
+{
+ ::MidFree(_buf);
+}
+
+STDMETHODIMP CCopyCoder::SetFinishMode(UInt32 /* finishMode */)
+{
+ return S_OK;
+}
+
+STDMETHODIMP CCopyCoder::Code(ISequentialInStream *inStream,
+ ISequentialOutStream *outStream,
+ const UInt64 * /* inSize */, const UInt64 *outSize,
+ ICompressProgressInfo *progress)
+{
+ if (!_buf)
+ {
+ _buf = (Byte *)::MidAlloc(kBufSize);
+ if (!_buf)
+ return E_OUTOFMEMORY;
+ }
+
+ TotalSize = 0;
+
+ for (;;)
+ {
+ UInt32 size = kBufSize;
+ if (outSize && size > *outSize - TotalSize)
+ size = (UInt32)(*outSize - TotalSize);
+ if (size == 0)
+ return S_OK;
+
+ HRESULT readRes = inStream->Read(_buf, size, &size);
+
+ if (size == 0)
+ return readRes;
+
+ if (outStream)
+ {
+ UInt32 pos = 0;
+ do
+ {
+ UInt32 curSize = size - pos;
+ HRESULT res = outStream->Write(_buf + pos, curSize, &curSize);
+ pos += curSize;
+ TotalSize += curSize;
+ RINOK(res);
+ if (curSize == 0)
+ return E_FAIL;
+ }
+ while (pos < size);
+ }
+ else
+ TotalSize += size;
+
+ RINOK(readRes);
+
+ if (progress)
+ {
+ RINOK(progress->SetRatioInfo(&TotalSize, &TotalSize));
+ }
+ }
+}
+
+STDMETHODIMP CCopyCoder::SetInStream(ISequentialInStream *inStream)
+{
+ _inStream = inStream;
+ TotalSize = 0;
+ return S_OK;
+}
+
+STDMETHODIMP CCopyCoder::ReleaseInStream()
+{
+ _inStream.Release();
+ return S_OK;
+}
+
+STDMETHODIMP CCopyCoder::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+ UInt32 realProcessedSize = 0;
+ HRESULT res = _inStream->Read(data, size, &realProcessedSize);
+ TotalSize += realProcessedSize;
+ if (processedSize)
+ *processedSize = realProcessedSize;
+ return res;
+}
+
+STDMETHODIMP CCopyCoder::GetInStreamProcessedSize(UInt64 *value)
+{
+ *value = TotalSize;
+ return S_OK;
+}
+
+HRESULT CopyStream(ISequentialInStream *inStream, ISequentialOutStream *outStream, ICompressProgressInfo *progress)
+{
+ CMyComPtr<ICompressCoder> copyCoder = new CCopyCoder;
+ return copyCoder->Code(inStream, outStream, NULL, NULL, progress);
+}
+
+HRESULT CopyStream_ExactSize(ISequentialInStream *inStream, ISequentialOutStream *outStream, UInt64 size, ICompressProgressInfo *progress)
+{
+ NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder;
+ CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
+ RINOK(copyCoder->Code(inStream, outStream, NULL, &size, progress));
+ return copyCoderSpec->TotalSize == size ? S_OK : E_FAIL;
+}
+
+}
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