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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/Archive/7z/7zFolderInStream.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/Archive/7z/7zFolderInStream.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zFolderInStream.cpp | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zFolderInStream.cpp b/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zFolderInStream.cpp new file mode 100644 index 000000000..eee11a085 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zFolderInStream.cpp @@ -0,0 +1,139 @@ +// 7zFolderInStream.cpp
+
+#include "StdAfx.h"
+
+#include "7zFolderInStream.h"
+
+namespace NArchive {
+namespace N7z {
+
+void CFolderInStream::Init(IArchiveUpdateCallback *updateCallback,
+ const UInt32 *indexes, unsigned numFiles)
+{
+ _updateCallback = updateCallback;
+ _indexes = indexes;
+ _numFiles = numFiles;
+ _index = 0;
+
+ Processed.ClearAndReserve(numFiles);
+ CRCs.ClearAndReserve(numFiles);
+ Sizes.ClearAndReserve(numFiles);
+
+ _pos = 0;
+ _crc = CRC_INIT_VAL;
+ _size_Defined = false;
+ _size = 0;
+
+ _stream.Release();
+}
+
+HRESULT CFolderInStream::OpenStream()
+{
+ _pos = 0;
+ _crc = CRC_INIT_VAL;
+ _size_Defined = false;
+ _size = 0;
+
+ while (_index < _numFiles)
+ {
+ CMyComPtr<ISequentialInStream> stream;
+ HRESULT result = _updateCallback->GetStream(_indexes[_index], &stream);
+ if (result != S_OK)
+ {
+ if (result != S_FALSE)
+ return result;
+ }
+
+ _stream = stream;
+
+ if (stream)
+ {
+ CMyComPtr<IStreamGetSize> streamGetSize;
+ stream.QueryInterface(IID_IStreamGetSize, &streamGetSize);
+ if (streamGetSize)
+ {
+ if (streamGetSize->GetSize(&_size) == S_OK)
+ _size_Defined = true;
+ }
+ return S_OK;
+ }
+
+ _index++;
+ RINOK(_updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK));
+ AddFileInfo(result == S_OK);
+ }
+ return S_OK;
+}
+
+void CFolderInStream::AddFileInfo(bool isProcessed)
+{
+ Processed.Add(isProcessed);
+ Sizes.Add(_pos);
+ CRCs.Add(CRC_GET_DIGEST(_crc));
+}
+
+STDMETHODIMP CFolderInStream::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+ if (processedSize)
+ *processedSize = 0;
+ while (size != 0)
+ {
+ if (_stream)
+ {
+ UInt32 cur = size;
+ const UInt32 kMax = (UInt32)1 << 20;
+ if (cur > kMax)
+ cur = kMax;
+ RINOK(_stream->Read(data, cur, &cur));
+ if (cur != 0)
+ {
+ _crc = CrcUpdate(_crc, data, cur);
+ _pos += cur;
+ if (processedSize)
+ *processedSize = cur;
+ return S_OK;
+ }
+
+ _stream.Release();
+ _index++;
+ AddFileInfo(true);
+
+ _pos = 0;
+ _crc = CRC_INIT_VAL;
+ _size_Defined = false;
+ _size = 0;
+
+ RINOK(_updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK));
+ }
+
+ if (_index >= _numFiles)
+ break;
+ RINOK(OpenStream());
+ }
+ return S_OK;
+}
+
+STDMETHODIMP CFolderInStream::GetSubStreamSize(UInt64 subStream, UInt64 *value)
+{
+ *value = 0;
+ if (subStream > Sizes.Size())
+ return S_FALSE; // E_FAIL;
+
+ unsigned index = (unsigned)subStream;
+ if (index < Sizes.Size())
+ {
+ *value = Sizes[index];
+ return S_OK;
+ }
+
+ if (!_size_Defined)
+ {
+ *value = _pos;
+ return S_FALSE;
+ }
+
+ *value = (_pos > _size ? _pos : _size);
+ return S_OK;
+}
+
+}}
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