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Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Archive/Cab/CabIn.cpp')
-rw-r--r--src/libs/7zip/win/CPP/7zip/Archive/Cab/CabIn.cpp272
1 files changed, 0 insertions, 272 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Archive/Cab/CabIn.cpp b/src/libs/7zip/win/CPP/7zip/Archive/Cab/CabIn.cpp
deleted file mode 100644
index c0bffa2d2..000000000
--- a/src/libs/7zip/win/CPP/7zip/Archive/Cab/CabIn.cpp
+++ /dev/null
@@ -1,272 +0,0 @@
-// Archive/CabIn.cpp
-
-#include "StdAfx.h"
-
-#include "../Common/FindSignature.h"
-
-#include "CabIn.h"
-
-namespace NArchive {
-namespace NCab {
-
-Byte CInArchive::Read8()
-{
- Byte b;
- if (!inBuffer.ReadByte(b))
- throw CInArchiveException(CInArchiveException::kUnsupported);
- return b;
-}
-
-UInt16 CInArchive::Read16()
-{
- UInt16 value = 0;
- for (int i = 0; i < 2; i++)
- {
- Byte b = Read8();
- value |= (UInt16(b) << (8 * i));
- }
- return value;
-}
-
-UInt32 CInArchive::Read32()
-{
- UInt32 value = 0;
- for (int i = 0; i < 4; i++)
- {
- Byte b = Read8();
- value |= (UInt32(b) << (8 * i));
- }
- return value;
-}
-
-AString CInArchive::SafeReadName()
-{
- AString name;
- for (;;)
- {
- Byte b = Read8();
- if (b == 0)
- return name;
- name += (char)b;
- }
-}
-
-void CInArchive::ReadOtherArchive(COtherArchive &oa)
-{
- oa.FileName = SafeReadName();
- oa.DiskName = SafeReadName();
-}
-
-void CInArchive::Skip(UInt32 size)
-{
- while (size-- != 0)
- Read8();
-}
-
-HRESULT CInArchive::Open(const UInt64 *searchHeaderSizeLimit, CDatabaseEx &db)
-{
- IInStream *stream = db.Stream;
- db.Clear();
- RINOK(stream->Seek(0, STREAM_SEEK_SET, &db.StartPosition));
-
- RINOK(FindSignatureInStream(stream, NHeader::kMarker, NHeader::kMarkerSize,
- searchHeaderSizeLimit, db.StartPosition));
-
- RINOK(stream->Seek(db.StartPosition + NHeader::kMarkerSize, STREAM_SEEK_SET, NULL));
- if (!inBuffer.Create(1 << 17))
- return E_OUTOFMEMORY;
- inBuffer.SetStream(stream);
- inBuffer.Init();
-
- CInArchiveInfo &ai = db.ArchiveInfo;
-
- ai.Size = Read32();
- if (Read32() != 0)
- return S_FALSE;
- ai.FileHeadersOffset = Read32();
- if (Read32() != 0)
- return S_FALSE;
-
- ai.VersionMinor = Read8();
- ai.VersionMajor = Read8();
- ai.NumFolders = Read16();
- ai.NumFiles = Read16();
- ai.Flags = Read16();
- if (ai.Flags > 7)
- return S_FALSE;
- ai.SetID = Read16();
- ai.CabinetNumber = Read16();
-
- if (ai.ReserveBlockPresent())
- {
- ai.PerCabinetAreaSize = Read16();
- ai.PerFolderAreaSize = Read8();
- ai.PerDataBlockAreaSize = Read8();
-
- Skip(ai.PerCabinetAreaSize);
- }
-
- {
- if (ai.IsTherePrev())
- ReadOtherArchive(ai.PrevArc);
- if (ai.IsThereNext())
- ReadOtherArchive(ai.NextArc);
- }
-
- int i;
- for (i = 0; i < ai.NumFolders; i++)
- {
- CFolder folder;
-
- folder.DataStart = Read32();
- folder.NumDataBlocks = Read16();
- folder.CompressionTypeMajor = Read8();
- folder.CompressionTypeMinor = Read8();
-
- Skip(ai.PerFolderAreaSize);
- db.Folders.Add(folder);
- }
-
- RINOK(stream->Seek(db.StartPosition + ai.FileHeadersOffset, STREAM_SEEK_SET, NULL));
-
- inBuffer.SetStream(stream);
- inBuffer.Init();
- for (i = 0; i < ai.NumFiles; i++)
- {
- CItem item;
- item.Size = Read32();
- item.Offset = Read32();
- item.FolderIndex = Read16();
- UInt16 pureDate = Read16();
- UInt16 pureTime = Read16();
- item.Time = ((UInt32(pureDate) << 16)) | pureTime;
- item.Attributes = Read16();
- item.Name = SafeReadName();
- int folderIndex = item.GetFolderIndex(db.Folders.Size());
- if (folderIndex >= db.Folders.Size())
- return S_FALSE;
- db.Items.Add(item);
- }
- return S_OK;
-}
-
-#define RINOZ(x) { int __tt = (x); if (__tt != 0) return __tt; }
-
-static int CompareMvItems(const CMvItem *p1, const CMvItem *p2, void *param)
-{
- const CMvDatabaseEx &mvDb = *(const CMvDatabaseEx *)param;
- const CDatabaseEx &db1 = mvDb.Volumes[p1->VolumeIndex];
- const CDatabaseEx &db2 = mvDb.Volumes[p2->VolumeIndex];
- const CItem &item1 = db1.Items[p1->ItemIndex];
- const CItem &item2 = db2.Items[p2->ItemIndex];;
- bool isDir1 = item1.IsDir();
- bool isDir2 = item2.IsDir();
- if (isDir1 && !isDir2)
- return -1;
- if (isDir2 && !isDir1)
- return 1;
- int f1 = mvDb.GetFolderIndex(p1);
- int f2 = mvDb.GetFolderIndex(p2);
- RINOZ(MyCompare(f1, f2));
- RINOZ(MyCompare(item1.Offset, item2.Offset));
- RINOZ(MyCompare(item1.Size, item2.Size));
- RINOZ(MyCompare(p1->VolumeIndex, p2->VolumeIndex));
- return MyCompare(p1->ItemIndex, p2->ItemIndex);
-}
-
-bool CMvDatabaseEx::AreItemsEqual(int i1, int i2)
-{
- const CMvItem *p1 = &Items[i1];
- const CMvItem *p2 = &Items[i2];
- const CDatabaseEx &db1 = Volumes[p1->VolumeIndex];
- const CDatabaseEx &db2 = Volumes[p2->VolumeIndex];
- const CItem &item1 = db1.Items[p1->ItemIndex];
- const CItem &item2 = db2.Items[p2->ItemIndex];;
- return GetFolderIndex(p1) == GetFolderIndex(p2) &&
- item1.Offset == item2.Offset &&
- item1.Size == item2.Size &&
- item1.Name == item2.Name;
-}
-
-void CMvDatabaseEx::FillSortAndShrink()
-{
- Items.Clear();
- StartFolderOfVol.Clear();
- FolderStartFileIndex.Clear();
- int offset = 0;
- for (int v = 0; v < Volumes.Size(); v++)
- {
- const CDatabaseEx &db = Volumes[v];
- int curOffset = offset;
- if (db.IsTherePrevFolder())
- curOffset--;
- StartFolderOfVol.Add(curOffset);
- offset += db.GetNumberOfNewFolders();
-
- CMvItem mvItem;
- mvItem.VolumeIndex = v;
- for (int i = 0 ; i < db.Items.Size(); i++)
- {
- mvItem.ItemIndex = i;
- Items.Add(mvItem);
- }
- }
-
- Items.Sort(CompareMvItems, (void *)this);
- int j = 1;
- int i;
- for (i = 1; i < Items.Size(); i++)
- if (!AreItemsEqual(i, i -1))
- Items[j++] = Items[i];
- Items.DeleteFrom(j);
-
- for (i = 0; i < Items.Size(); i++)
- {
- int folderIndex = GetFolderIndex(&Items[i]);
- if (folderIndex >= FolderStartFileIndex.Size())
- FolderStartFileIndex.Add(i);
- }
-}
-
-bool CMvDatabaseEx::Check()
-{
- for (int v = 1; v < Volumes.Size(); v++)
- {
- const CDatabaseEx &db1 = Volumes[v];
- if (db1.IsTherePrevFolder())
- {
- const CDatabaseEx &db0 = Volumes[v - 1];
- if (db0.Folders.IsEmpty() || db1.Folders.IsEmpty())
- return false;
- const CFolder &f0 = db0.Folders.Back();
- const CFolder &f1 = db1.Folders.Front();
- if (f0.CompressionTypeMajor != f1.CompressionTypeMajor ||
- f0.CompressionTypeMinor != f1.CompressionTypeMinor)
- return false;
- }
- }
- UInt32 beginPos = 0;
- UInt64 endPos = 0;
- int prevFolder = -2;
- for (int i = 0; i < Items.Size(); i++)
- {
- const CMvItem &mvItem = Items[i];
- int fIndex = GetFolderIndex(&mvItem);
- if (fIndex >= FolderStartFileIndex.Size())
- return false;
- const CItem &item = Volumes[mvItem.VolumeIndex].Items[mvItem.ItemIndex];
- if (item.IsDir())
- continue;
- int folderIndex = GetFolderIndex(&mvItem);
- if (folderIndex != prevFolder)
- prevFolder = folderIndex;
- else if (item.Offset < endPos &&
- (item.Offset != beginPos || item.GetEndOffset() != endPos))
- return false;
- beginPos = item.Offset;
- endPos = item.GetEndOffset();
- }
- return true;
-}
-
-}}
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