diff options
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/UI/Common/OpenArchive.h')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/UI/Common/OpenArchive.h | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/UI/Common/OpenArchive.h b/other-licenses/7zstub/src/CPP/7zip/UI/Common/OpenArchive.h new file mode 100644 index 000000000..033cb960f --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/UI/Common/OpenArchive.h @@ -0,0 +1,436 @@ +// OpenArchive.h
+
+#ifndef __OPEN_ARCHIVE_H
+#define __OPEN_ARCHIVE_H
+
+#include "../../../Windows/PropVariant.h"
+
+#include "ArchiveOpenCallback.h"
+#include "LoadCodecs.h"
+#include "Property.h"
+
+#ifndef _SFX
+
+#define SUPPORT_ALT_STREAMS
+
+#endif
+
+HRESULT Archive_GetItemBoolProp(IInArchive *arc, UInt32 index, PROPID propID, bool &result) throw();
+HRESULT Archive_IsItem_Dir(IInArchive *arc, UInt32 index, bool &result) throw();
+HRESULT Archive_IsItem_Aux(IInArchive *arc, UInt32 index, bool &result) throw();
+HRESULT Archive_IsItem_AltStream(IInArchive *arc, UInt32 index, bool &result) throw();
+HRESULT Archive_IsItem_Deleted(IInArchive *arc, UInt32 index, bool &deleted) throw();
+
+#ifdef SUPPORT_ALT_STREAMS
+int FindAltStreamColon_in_Path(const wchar_t *path);
+#endif
+
+/*
+struct COptionalOpenProperties
+{
+ UString FormatName;
+ CObjectVector<CProperty> Props;
+};
+*/
+
+#ifdef _SFX
+#define OPEN_PROPS_DECL
+#else
+#define OPEN_PROPS_DECL const CObjectVector<CProperty> *props;
+// #define OPEN_PROPS_DECL , const CObjectVector<COptionalOpenProperties> *props
+#endif
+
+struct COpenSpecFlags
+{
+ // bool CanReturnFull;
+ bool CanReturnFrontal;
+ bool CanReturnTail;
+ bool CanReturnMid;
+
+ bool CanReturn_NonStart() const { return CanReturnTail || CanReturnMid; }
+
+ COpenSpecFlags():
+ // CanReturnFull(true),
+ CanReturnFrontal(false),
+ CanReturnTail(false),
+ CanReturnMid(false)
+ {}
+};
+
+struct COpenType
+{
+ int FormatIndex;
+
+ COpenSpecFlags SpecForcedType;
+ COpenSpecFlags SpecMainType;
+ COpenSpecFlags SpecWrongExt;
+ COpenSpecFlags SpecUnknownExt;
+
+ bool Recursive;
+
+ bool CanReturnArc;
+ bool CanReturnParser;
+ bool EachPos;
+
+ // bool SkipSfxStub;
+ // bool ExeAsUnknown;
+
+ bool ZerosTailIsAllowed;
+
+ bool MaxStartOffset_Defined;
+ UInt64 MaxStartOffset;
+
+ const COpenSpecFlags &GetSpec(bool isForced, bool isMain, bool isUnknown) const
+ {
+ return isForced ? SpecForcedType : (isMain ? SpecMainType : (isUnknown ? SpecUnknownExt : SpecWrongExt));
+ }
+
+ COpenType():
+ FormatIndex(-1),
+ Recursive(true),
+ EachPos(false),
+ CanReturnArc(true),
+ CanReturnParser(false),
+ // SkipSfxStub(true),
+ // ExeAsUnknown(true),
+ ZerosTailIsAllowed(false),
+ MaxStartOffset_Defined(false),
+ MaxStartOffset(0)
+ {
+ SpecForcedType.CanReturnFrontal = true;
+ SpecForcedType.CanReturnTail = true;
+ SpecForcedType.CanReturnMid = true;
+
+ SpecMainType.CanReturnFrontal = true;
+
+ SpecUnknownExt.CanReturnTail = true; // for sfx
+ SpecUnknownExt.CanReturnMid = true;
+ SpecUnknownExt.CanReturnFrontal = true; // for alt streams of sfx with pad
+
+ // ZerosTailIsAllowed = true;
+ }
+};
+
+struct COpenOptions
+{
+ CCodecs *codecs;
+ COpenType openType;
+ const CObjectVector<COpenType> *types;
+ const CIntVector *excludedFormats;
+
+ IInStream *stream;
+ ISequentialInStream *seqStream;
+ IArchiveOpenCallback *callback;
+ COpenCallbackImp *callbackSpec;
+ OPEN_PROPS_DECL
+ // bool openOnlySpecifiedByExtension,
+
+ bool stdInMode;
+ UString filePath;
+
+ COpenOptions():
+ codecs(NULL),
+ types(NULL),
+ excludedFormats(NULL),
+ stream(NULL),
+ seqStream(NULL),
+ callback(NULL),
+ callbackSpec(NULL),
+ stdInMode(false)
+ {}
+
+};
+
+UInt32 GetOpenArcErrorFlags(const NWindows::NCOM::CPropVariant &prop, bool *isDefinedProp = NULL);
+
+struct CArcErrorInfo
+{
+ bool ThereIsTail;
+ bool UnexpecedEnd;
+ bool IgnoreTail; // all are zeros
+ // bool NonZerosTail;
+ bool ErrorFlags_Defined;
+ UInt32 ErrorFlags;
+ UInt32 WarningFlags;
+ int ErrorFormatIndex; // - 1 means no Error.
+ // if FormatIndex == ErrorFormatIndex, the archive is open with offset
+ UInt64 TailSize;
+
+ /* if CArc is Open OK with some format:
+ - ErrorFormatIndex shows error format index, if extension is incorrect
+ - other variables show message and warnings of archive that is open */
+
+ UString ErrorMessage;
+ UString WarningMessage;
+
+ // call IsArc_After_NonOpen only if Open returns S_FALSE
+ bool IsArc_After_NonOpen() const
+ {
+ return (ErrorFlags_Defined && (ErrorFlags & kpv_ErrorFlags_IsNotArc) == 0);
+ }
+
+
+ CArcErrorInfo():
+ ThereIsTail(false),
+ UnexpecedEnd(false),
+ IgnoreTail(false),
+ // NonZerosTail(false),
+ ErrorFlags_Defined(false),
+ ErrorFlags(0),
+ WarningFlags(0),
+ ErrorFormatIndex(-1),
+ TailSize(0)
+ {}
+
+ void ClearErrors();
+
+ void ClearErrors_Full()
+ {
+ ErrorFormatIndex = -1;
+ ClearErrors();
+ }
+
+ bool IsThereErrorOrWarning() const
+ {
+ return ErrorFlags != 0
+ || WarningFlags != 0
+ || NeedTailWarning()
+ || UnexpecedEnd
+ || !ErrorMessage.IsEmpty()
+ || !WarningMessage.IsEmpty();
+ }
+
+ bool AreThereErrors() const { return ErrorFlags != 0 || UnexpecedEnd; }
+ bool AreThereWarnings() const { return WarningFlags != 0 || NeedTailWarning(); }
+
+ bool NeedTailWarning() const { return !IgnoreTail && ThereIsTail; }
+
+ UInt32 GetWarningFlags() const
+ {
+ UInt32 a = WarningFlags;
+ if (NeedTailWarning() && (ErrorFlags & kpv_ErrorFlags_DataAfterEnd) == 0)
+ a |= kpv_ErrorFlags_DataAfterEnd;
+ return a;
+ }
+
+ UInt32 GetErrorFlags() const
+ {
+ UInt32 a = ErrorFlags;
+ if (UnexpecedEnd)
+ a |= kpv_ErrorFlags_UnexpectedEnd;
+ return a;
+ }
+};
+
+struct CReadArcItem
+{
+ UString Path; // Path from root (including alt stream name, if alt stream)
+ UStringVector PathParts; // without altStream name, path from root or from _baseParentFolder, if _use_baseParentFolder_mode
+
+ #ifdef SUPPORT_ALT_STREAMS
+ UString MainPath;
+ /* MainPath = Path for non-AltStream,
+ MainPath = Path of parent, if there is parent for AltStream. */
+ UString AltStreamName;
+ bool IsAltStream;
+ bool WriteToAltStreamIfColon;
+ #endif
+
+ bool IsDir;
+ bool MainIsDir;
+ UInt32 ParentIndex; // use it, if IsAltStream
+
+ #ifndef _SFX
+ bool _use_baseParentFolder_mode;
+ int _baseParentFolder;
+ #endif
+
+ CReadArcItem()
+ {
+ #ifdef SUPPORT_ALT_STREAMS
+ WriteToAltStreamIfColon = false;
+ #endif
+
+ #ifndef _SFX
+ _use_baseParentFolder_mode = false;
+ _baseParentFolder = -1;
+ #endif
+ }
+};
+
+class CArc
+{
+ HRESULT PrepareToOpen(const COpenOptions &op, unsigned formatIndex, CMyComPtr<IInArchive> &archive);
+ HRESULT CheckZerosTail(const COpenOptions &op, UInt64 offset);
+ HRESULT OpenStream2(const COpenOptions &options);
+
+ #ifndef _SFX
+ // parts.Back() can contain alt stream name "nams:AltName"
+ HRESULT GetItemPathToParent(UInt32 index, UInt32 parent, UStringVector &parts) const;
+ #endif
+
+public:
+ CMyComPtr<IInArchive> Archive;
+ CMyComPtr<IInStream> InStream;
+ // we use InStream in 2 cases (ArcStreamOffset != 0):
+ // 1) if we use additional cache stream
+ // 2) we reopen sfx archive with CTailInStream
+
+ CMyComPtr<IArchiveGetRawProps> GetRawProps;
+ CMyComPtr<IArchiveGetRootProps> GetRootProps;
+
+ CArcErrorInfo ErrorInfo; // for OK archives
+ CArcErrorInfo NonOpen_ErrorInfo; // ErrorInfo for mainArchive (false OPEN)
+
+ UString Path;
+ UString filePath;
+ UString DefaultName;
+ int FormatIndex; // - 1 means Parser.
+ int SubfileIndex;
+ FILETIME MTime;
+ bool MTimeDefined;
+
+ Int64 Offset; // it's offset of start of archive inside stream that is open by Archive Handler
+ UInt64 PhySize;
+ // UInt64 OkPhySize;
+ bool PhySizeDefined;
+ // bool OkPhySize_Defined;
+ UInt64 FileSize;
+ UInt64 AvailPhySize; // PhySize, but it's reduced if exceed end of file
+ // bool offsetDefined;
+
+ UInt64 GetEstmatedPhySize() const { return PhySizeDefined ? PhySize : FileSize; }
+
+ UInt64 ArcStreamOffset; // offset of stream that is open by Archive Handler
+ Int64 GetGlobalOffset() const { return ArcStreamOffset + Offset; } // it's global offset of archive
+
+ // AString ErrorFlagsText;
+
+ bool IsParseArc;
+
+ bool IsTree;
+ bool IsReadOnly;
+
+ bool Ask_Deleted;
+ bool Ask_AltStream;
+ bool Ask_Aux;
+ bool Ask_INode;
+
+ bool IgnoreSplit; // don't try split handler
+
+ // void Set_ErrorFlagsText();
+
+ CArc():
+ MTimeDefined(false),
+ IsTree(false),
+ IsReadOnly(false),
+ Ask_Deleted(false),
+ Ask_AltStream(false),
+ Ask_Aux(false),
+ Ask_INode(false),
+ IgnoreSplit(false)
+ {}
+
+ HRESULT ReadBasicProps(IInArchive *archive, UInt64 startPos, HRESULT openRes);
+
+ // ~CArc();
+
+ HRESULT Close()
+ {
+ InStream.Release();
+ return Archive->Close();
+ }
+
+ HRESULT GetItemPath(UInt32 index, UString &result) const;
+ HRESULT GetDefaultItemPath(UInt32 index, UString &result) const;
+
+ // GetItemPath2 adds [DELETED] dir prefix for deleted items.
+ HRESULT GetItemPath2(UInt32 index, UString &result) const;
+
+ HRESULT GetItem(UInt32 index, CReadArcItem &item) const;
+
+ HRESULT GetItemSize(UInt32 index, UInt64 &size, bool &defined) const;
+ HRESULT GetItemMTime(UInt32 index, FILETIME &ft, bool &defined) const;
+ HRESULT IsItemAnti(UInt32 index, bool &result) const
+ { return Archive_GetItemBoolProp(Archive, index, kpidIsAnti, result); }
+
+
+ HRESULT OpenStream(const COpenOptions &options);
+ HRESULT OpenStreamOrFile(COpenOptions &options);
+
+ HRESULT ReOpen(const COpenOptions &options);
+
+ HRESULT CreateNewTailStream(CMyComPtr<IInStream> &stream);
+};
+
+struct CArchiveLink
+{
+ CObjectVector<CArc> Arcs;
+ UStringVector VolumePaths;
+ UInt64 VolumesSize;
+ bool IsOpen;
+
+ bool PasswordWasAsked;
+ // UString Password;
+
+ // int NonOpenErrorFormatIndex; // - 1 means no Error.
+ UString NonOpen_ArcPath;
+
+ CArcErrorInfo NonOpen_ErrorInfo;
+
+ // UString ErrorsText;
+ // void Set_ErrorsText();
+
+ CArchiveLink():
+ VolumesSize(0),
+ IsOpen(false),
+ PasswordWasAsked(false)
+ {}
+
+ void KeepModeForNextOpen();
+ HRESULT Close();
+ void Release();
+ ~CArchiveLink() { Release(); }
+
+ const CArc *GetArc() const { return &Arcs.Back(); }
+ IInArchive *GetArchive() const { return Arcs.Back().Archive; }
+ IArchiveGetRawProps *GetArchiveGetRawProps() const { return Arcs.Back().GetRawProps; }
+ IArchiveGetRootProps *GetArchiveGetRootProps() const { return Arcs.Back().GetRootProps; }
+
+ HRESULT Open(COpenOptions &options);
+ HRESULT Open2(COpenOptions &options, IOpenCallbackUI *callbackUI);
+ HRESULT Open3(COpenOptions &options, IOpenCallbackUI *callbackUI);
+
+ HRESULT Open_Strict(COpenOptions &options, IOpenCallbackUI *callbackUI)
+ {
+ HRESULT result = Open3(options, callbackUI);
+ if (result == S_OK && NonOpen_ErrorInfo.ErrorFormatIndex >= 0)
+ result = S_FALSE;
+ return result;
+ }
+
+ HRESULT ReOpen(COpenOptions &options);
+};
+
+bool ParseOpenTypes(CCodecs &codecs, const UString &s, CObjectVector<COpenType> &types);
+
+
+struct CDirPathSortPair
+{
+ unsigned Len;
+ unsigned Index;
+
+ void SetNumSlashes(const FChar *s);
+
+ int Compare(const CDirPathSortPair &a) const
+ {
+ // We need sorting order where parent items will be after child items
+ if (Len < a.Len) return 1;
+ if (Len > a.Len) return -1;
+ if (Index < a.Index) return -1;
+ if (Index > a.Index) return 1;
+ return 0;
+ }
+};
+
+#endif
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