diff options
Diffstat (limited to 'src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/LoadCodecs.cpp')
| -rw-r--r-- | src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/LoadCodecs.cpp | 910 |
1 files changed, 910 insertions, 0 deletions
diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/LoadCodecs.cpp b/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/LoadCodecs.cpp new file mode 100644 index 000000000..09c79147d --- /dev/null +++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Common/LoadCodecs.cpp @@ -0,0 +1,910 @@ +// LoadCodecs.cpp + +#include "StdAfx.h" + +#include "../../../../C/7zVersion.h" + +#include "../../../Common/MyCom.h" +#include "../../../Common/StringToInt.h" +#include "../../../Common/StringConvert.h" + +#include "../../../Windows/PropVariant.h" + +#include "LoadCodecs.h" + +using namespace NWindows; + +#ifdef NEW_FOLDER_INTERFACE +#include "../../../Common/StringToInt.h" +#endif + +#include "../../ICoder.h" +#include "../../Common/RegisterArc.h" + +#ifdef EXTERNAL_CODECS + +#include "../../../Windows/FileFind.h" +#include "../../../Windows/DLL.h" +#ifdef NEW_FOLDER_INTERFACE +#include "../../../Windows/ResourceString.h" +static const UINT kIconTypesResId = 100; +#endif + +#ifdef _WIN32 +#include "../../../Windows/FileName.h" +#include "../../../Windows/Registry.h" +#else +#include "../../../Common/StringConvert.h" +#endif + +using namespace NFile; + +#ifdef _WIN32 +extern HINSTANCE g_hInstance; +#endif + +#define kCodecsFolderName FTEXT("Codecs") +#define kFormatsFolderName FTEXT("Formats") +static CFSTR kMainDll = FTEXT("7z.dll"); + +#ifdef _WIN32 + +static LPCTSTR kRegistryPath = TEXT("Software") TEXT(STRING_PATH_SEPARATOR) TEXT("7-zip"); +static LPCWSTR kProgramPathValue = L"Path"; +static LPCWSTR kProgramPath2Value = L"Path" + #ifdef _WIN64 + L"64"; + #else + L"32"; + #endif + +static bool ReadPathFromRegistry(HKEY baseKey, LPCWSTR value, FString &path) +{ + NRegistry::CKey key; + if (key.Open(baseKey, kRegistryPath, KEY_READ) == ERROR_SUCCESS) + { + UString pathU; + if (key.QueryValue(value, pathU) == ERROR_SUCCESS) + { + path = us2fs(pathU); + NName::NormalizeDirPathPrefix(path); + return NFind::DoesFileExist(path + kMainDll); + } + } + return false; +} + +#endif // _WIN32 + +#endif // EXTERNAL_CODECS + + +static const unsigned kNumArcsMax = 48; +static unsigned g_NumArcs = 0; +static const CArcInfo *g_Arcs[kNumArcsMax]; + +void RegisterArc(const CArcInfo *arcInfo) throw() +{ + if (g_NumArcs < kNumArcsMax) + { + g_Arcs[g_NumArcs] = arcInfo; + g_NumArcs++; + } +} + +static void SplitString(const UString &srcString, UStringVector &destStrings) +{ + destStrings.Clear(); + UString s; + unsigned len = srcString.Len(); + if (len == 0) + return; + for (unsigned i = 0; i < len; i++) + { + wchar_t c = srcString[i]; + if (c == L' ') + { + if (!s.IsEmpty()) + { + destStrings.Add(s); + s.Empty(); + } + } + else + s += c; + } + if (!s.IsEmpty()) + destStrings.Add(s); +} + +int CArcInfoEx::FindExtension(const UString &ext) const +{ + FOR_VECTOR (i, Exts) + if (ext.IsEqualToNoCase(Exts[i].Ext)) + return i; + return -1; +} + +void CArcInfoEx::AddExts(const UString &ext, const UString &addExt) +{ + UStringVector exts, addExts; + SplitString(ext, exts); + SplitString(addExt, addExts); + FOR_VECTOR (i, exts) + { + CArcExtInfo extInfo; + extInfo.Ext = exts[i]; + if (i < addExts.Size()) + { + extInfo.AddExt = addExts[i]; + if (extInfo.AddExt == L"*") + extInfo.AddExt.Empty(); + } + Exts.Add(extInfo); + } +} + +#ifndef _SFX + +static bool ParseSignatures(const Byte *data, unsigned size, CObjectVector<CByteBuffer> &signatures) +{ + signatures.Clear(); + while (size > 0) + { + unsigned len = *data++; + size--; + if (len > size) + return false; + signatures.AddNew().CopyFrom(data, len); + data += len; + size -= len; + } + return true; +} + +#endif // _SFX + +#ifdef EXTERNAL_CODECS + +static FString GetBaseFolderPrefixFromRegistry() +{ + FString moduleFolderPrefix = NDLL::GetModuleDirPrefix(); + #ifdef _WIN32 + if (!NFind::DoesFileExist(moduleFolderPrefix + kMainDll) && + !NFind::DoesDirExist(moduleFolderPrefix + kCodecsFolderName) && + !NFind::DoesDirExist(moduleFolderPrefix + kFormatsFolderName)) + { + FString path; + if (ReadPathFromRegistry(HKEY_CURRENT_USER, kProgramPath2Value, path)) return path; + if (ReadPathFromRegistry(HKEY_LOCAL_MACHINE, kProgramPath2Value, path)) return path; + if (ReadPathFromRegistry(HKEY_CURRENT_USER, kProgramPathValue, path)) return path; + if (ReadPathFromRegistry(HKEY_LOCAL_MACHINE, kProgramPathValue, path)) return path; + } + #endif + return moduleFolderPrefix; +} + +static HRESULT GetCoderClass(Func_GetMethodProperty getMethodProperty, UInt32 index, + PROPID propId, CLSID &clsId, bool &isAssigned) +{ + NCOM::CPropVariant prop; + isAssigned = false; + RINOK(getMethodProperty(index, propId, &prop)); + if (prop.vt == VT_BSTR) + { + if (::SysStringByteLen(prop.bstrVal) != sizeof(GUID)) + return E_FAIL; + isAssigned = true; + clsId = *(const GUID *)prop.bstrVal; + } + else if (prop.vt != VT_EMPTY) + return E_FAIL; + return S_OK; +} + +HRESULT CCodecs::LoadCodecs() +{ + CCodecLib &lib = Libs.Back(); + lib.GetMethodProperty = (Func_GetMethodProperty)lib.Lib.GetProc("GetMethodProperty"); + if (lib.GetMethodProperty) + { + UInt32 numMethods = 1; + Func_GetNumberOfMethods getNumberOfMethodsFunc = (Func_GetNumberOfMethods)lib.Lib.GetProc("GetNumberOfMethods"); + if (getNumberOfMethodsFunc) + { + RINOK(getNumberOfMethodsFunc(&numMethods)); + } + for (UInt32 i = 0; i < numMethods; i++) + { + CDllCodecInfo info; + info.LibIndex = Libs.Size() - 1; + info.CodecIndex = i; + RINOK(GetCoderClass(lib.GetMethodProperty, i, NMethodPropID::kEncoder, info.Encoder, info.EncoderIsAssigned)); + RINOK(GetCoderClass(lib.GetMethodProperty, i, NMethodPropID::kDecoder, info.Decoder, info.DecoderIsAssigned)); + Codecs.Add(info); + } + } + + Func_GetHashers getHashers = (Func_GetHashers)lib.Lib.GetProc("GetHashers"); + if (getHashers) + { + RINOK(getHashers(&lib.Hashers)); + if (lib.Hashers) + { + UInt32 numMethods = lib.Hashers->GetNumHashers(); + for (UInt32 i = 0; i < numMethods; i++) + { + CDllHasherInfo info; + info.LibIndex = Libs.Size() - 1; + info.HasherIndex = i; + Hashers.Add(info); + } + } + } + return S_OK; +} + +static HRESULT GetProp( + Func_GetHandlerProperty getProp, + Func_GetHandlerProperty2 getProp2, + UInt32 index, PROPID propID, NCOM::CPropVariant &prop) +{ + if (getProp2) + return getProp2(index, propID, &prop);; + return getProp(propID, &prop); +} + +static HRESULT GetProp_Bool( + Func_GetHandlerProperty getProp, + Func_GetHandlerProperty2 getProp2, + UInt32 index, PROPID propID, bool &res) +{ + res = false; + NCOM::CPropVariant prop; + RINOK(GetProp(getProp, getProp2, index, propID, prop)); + if (prop.vt == VT_BOOL) + res = VARIANT_BOOLToBool(prop.boolVal); + else if (prop.vt != VT_EMPTY) + return E_FAIL; + return S_OK; +} + +static HRESULT GetProp_UInt32( + Func_GetHandlerProperty getProp, + Func_GetHandlerProperty2 getProp2, + UInt32 index, PROPID propID, UInt32 &res, bool &defined) +{ + res = 0; + defined = false; + NCOM::CPropVariant prop; + RINOK(GetProp(getProp, getProp2, index, propID, prop)); + if (prop.vt == VT_UI4) + { + res = prop.ulVal; + defined = true; + } + else if (prop.vt != VT_EMPTY) + return E_FAIL; + return S_OK; +} + +static HRESULT GetProp_String( + Func_GetHandlerProperty getProp, + Func_GetHandlerProperty2 getProp2, + UInt32 index, PROPID propID, UString &res) +{ + res.Empty(); + NCOM::CPropVariant prop; + RINOK(GetProp(getProp, getProp2, index, propID, prop)); + if (prop.vt == VT_BSTR) + res = prop.bstrVal; + else if (prop.vt != VT_EMPTY) + return E_FAIL; + return S_OK; +} + +static HRESULT GetProp_RawData( + Func_GetHandlerProperty getProp, + Func_GetHandlerProperty2 getProp2, + UInt32 index, PROPID propID, CByteBuffer &bb) +{ + bb.Free(); + NCOM::CPropVariant prop; + RINOK(GetProp(getProp, getProp2, index, propID, prop)); + if (prop.vt == VT_BSTR) + { + UINT len = ::SysStringByteLen(prop.bstrVal); + bb.CopyFrom((const Byte *)prop.bstrVal, len); + } + else if (prop.vt != VT_EMPTY) + return E_FAIL; + return S_OK; +} + +static const UInt32 kArcFlagsPars[] = +{ + NArchive::NHandlerPropID::kKeepName, NArcInfoFlags::kKeepName, + NArchive::NHandlerPropID::kAltStreams, NArcInfoFlags::kAltStreams, + NArchive::NHandlerPropID::kNtSecure, NArcInfoFlags::kNtSecure +}; + +HRESULT CCodecs::LoadFormats() +{ + const NDLL::CLibrary &lib = Libs.Back().Lib; + + Func_GetHandlerProperty getProp = NULL; + Func_GetHandlerProperty2 getProp2 = (Func_GetHandlerProperty2)lib.GetProc("GetHandlerProperty2"); + Func_GetIsArc getIsArc = (Func_GetIsArc)lib.GetProc("GetIsArc"); + + UInt32 numFormats = 1; + + if (getProp2) + { + Func_GetNumberOfFormats getNumberOfFormats = (Func_GetNumberOfFormats)lib.GetProc("GetNumberOfFormats"); + if (getNumberOfFormats) + { + RINOK(getNumberOfFormats(&numFormats)); + } + } + else + { + getProp = (Func_GetHandlerProperty)lib.GetProc("GetHandlerProperty"); + if (!getProp) + return S_OK; + } + + for (UInt32 i = 0; i < numFormats; i++) + { + CArcInfoEx item; + item.LibIndex = Libs.Size() - 1; + item.FormatIndex = i; + + RINOK(GetProp_String(getProp, getProp2, i, NArchive::NHandlerPropID::kName, item.Name)); + + { + NCOM::CPropVariant prop; + if (GetProp(getProp, getProp2, i, NArchive::NHandlerPropID::kClassID, prop) != S_OK) + continue; + if (prop.vt != VT_BSTR) + continue; + if (::SysStringByteLen(prop.bstrVal) != sizeof(GUID)) + return E_FAIL; + item.ClassID = *(const GUID *)prop.bstrVal; + prop.Clear(); + } + + UString ext, addExt; + RINOK(GetProp_String(getProp, getProp2, i, NArchive::NHandlerPropID::kExtension, ext)); + RINOK(GetProp_String(getProp, getProp2, i, NArchive::NHandlerPropID::kAddExtension, addExt)); + item.AddExts(ext, addExt); + + GetProp_Bool(getProp, getProp2, i, NArchive::NHandlerPropID::kUpdate, item.UpdateEnabled); + bool flags_Defined = false; + RINOK(GetProp_UInt32(getProp, getProp2, i, NArchive::NHandlerPropID::kFlags, item.Flags, flags_Defined)); + item.NewInterface = flags_Defined; + if (!flags_Defined) // && item.UpdateEnabled + { + // support for DLL version before 9.31: + for (unsigned j = 0; j < ARRAY_SIZE(kArcFlagsPars); j += 2) + { + bool val = false; + GetProp_Bool(getProp, getProp2, i, kArcFlagsPars[j], val); + if (val) + item.Flags |= kArcFlagsPars[j + 1]; + } + } + + CByteBuffer sig; + RINOK(GetProp_RawData(getProp, getProp2, i, NArchive::NHandlerPropID::kSignature, sig)); + if (sig.Size() != 0) + item.Signatures.Add(sig); + else + { + RINOK(GetProp_RawData(getProp, getProp2, i, NArchive::NHandlerPropID::kMultiSignature, sig)); + ParseSignatures(sig, (unsigned)sig.Size(), item.Signatures); + } + + bool signatureOffset_Defined; + RINOK(GetProp_UInt32(getProp, getProp2, i, NArchive::NHandlerPropID::kSignatureOffset, item.SignatureOffset, signatureOffset_Defined)); + + // bool version_Defined; + // RINOK(GetProp_UInt32(getProp, getProp2, i, NArchive::NHandlerPropID::kVersion, item.Version, version_Defined)); + + if (getIsArc) + getIsArc(i, &item.IsArcFunc); + + Formats.Add(item); + } + return S_OK; +} + +#ifdef NEW_FOLDER_INTERFACE +void CCodecIcons::LoadIcons(HMODULE m) +{ +#ifdef _WIN32 + UString iconTypes; + MyLoadString(m, kIconTypesResId, iconTypes); + UStringVector pairs; + SplitString(iconTypes, pairs); + FOR_VECTOR (i, pairs) + { + const UString &s = pairs[i]; + int pos = s.Find(L':'); + CIconPair iconPair; + iconPair.IconIndex = -1; + if (pos < 0) + pos = s.Len(); + else + { + UString num = s.Ptr(pos + 1); + if (!num.IsEmpty()) + { + const wchar_t *end; + iconPair.IconIndex = ConvertStringToUInt32(num, &end); + if (*end != 0) + continue; + } + } + iconPair.Ext = s.Left(pos); + IconPairs.Add(iconPair); + } +#endif // #ifdef _WIN32 +} + +bool CCodecIcons::FindIconIndex(const UString &ext, int &iconIndex) const +{ +#ifdef _WIN32 + iconIndex = -1; + FOR_VECTOR (i, IconPairs) + { + const CIconPair &pair = IconPairs[i]; + if (ext.IsEqualToNoCase(pair.Ext)) + { + iconIndex = pair.IconIndex; + return true; + } + } +#endif // #ifdef _WIN32 + return false; +} + +#endif // EXTERNAL_CODECS + +#ifdef _7ZIP_LARGE_PAGES +extern "C" +{ + extern size_t g_LargePageSize; +} +#endif + +HRESULT CCodecs::LoadDll(const FString &dllPath, bool needCheckDll) +{ +#ifdef _WIN32 + if (needCheckDll) + { + NDLL::CLibrary library; + if (!library.LoadEx(dllPath, LOAD_LIBRARY_AS_DATAFILE)) + return S_OK; + } +#endif + Libs.Add(CCodecLib()); + CCodecLib &lib = Libs.Back(); + lib.Path = dllPath; + bool used = false; + HRESULT res = S_OK; + if (lib.Lib.Load(dllPath)) + { + #ifdef NEW_FOLDER_INTERFACE + lib.LoadIcons(); + #endif + + #ifdef _7ZIP_LARGE_PAGES + if (g_LargePageSize != 0) + { + Func_SetLargePageMode setLargePageMode = (Func_SetLargePageMode)lib.Lib.GetProc("SetLargePageMode"); + if (setLargePageMode) + setLargePageMode(); + } + #endif + + if (CaseSensitiveChange) + { + Func_SetCaseSensitive setCaseSensitive = (Func_SetCaseSensitive)lib.Lib.GetProc("SetCaseSensitive"); + if (setCaseSensitive) + setCaseSensitive(CaseSensitive ? 1 : 0); + } + + lib.CreateObject = (Func_CreateObject)lib.Lib.GetProc("CreateObject"); + if (lib.CreateObject) + { + unsigned startSize = Codecs.Size() + Hashers.Size(); + res = LoadCodecs(); + used = (startSize != Codecs.Size() + Hashers.Size()); + if (res == S_OK) + { + startSize = Formats.Size(); + res = LoadFormats(); + if (startSize != Formats.Size()) + used = true; + } + } + } + if (!used) + Libs.DeleteBack(); + return res; +} + +HRESULT CCodecs::LoadDllsFromFolder(const FString &folderPrefix) +{ + NFile::NFind::CEnumerator enumerator(folderPrefix + FCHAR_ANY_MASK); + NFile::NFind::CFileInfo fi; + while (enumerator.Next(fi)) + { + if (fi.IsDir()) + continue; + RINOK(LoadDll(folderPrefix + fi.Name, true)); + } + return S_OK; +} + +#endif + +HRESULT CCodecs::Load() +{ + #ifdef NEW_FOLDER_INTERFACE + #ifdef _WIN32 + InternalIcons.LoadIcons(g_hInstance); + #endif + #endif + + Formats.Clear(); + + #ifdef EXTERNAL_CODECS + Codecs.Clear(); + Hashers.Clear(); + #endif + + for (UInt32 i = 0; i < g_NumArcs; i++) + { + const CArcInfo &arc = *g_Arcs[i]; + CArcInfoEx item; + + item.Name.SetFromAscii(arc.Name); + item.CreateInArchive = arc.CreateInArchive; + item.IsArcFunc = arc.IsArc; + item.Flags = arc.Flags; + + { + UString e, ae; + if (arc.Ext) + e.SetFromAscii(arc.Ext); + if (arc.AddExt) + ae.SetFromAscii(arc.AddExt); + item.AddExts(e, ae); + } + + #ifndef _SFX + + item.CreateOutArchive = arc.CreateOutArchive; + item.UpdateEnabled = (arc.CreateOutArchive != NULL); + item.SignatureOffset = arc.SignatureOffset; + // item.Version = MY_VER_MIX; + item.NewInterface = true; + + if (arc.IsMultiSignature()) + ParseSignatures(arc.Signature, arc.SignatureSize, item.Signatures); + else + item.Signatures.AddNew().CopyFrom(arc.Signature, arc.SignatureSize); + + #endif + + Formats.Add(item); + } + + #ifdef EXTERNAL_CODECS + const FString baseFolder = GetBaseFolderPrefixFromRegistry(); + RINOK(LoadDll(baseFolder + kMainDll, false)); + RINOK(LoadDllsFromFolder(baseFolder + kCodecsFolderName FSTRING_PATH_SEPARATOR)); + RINOK(LoadDllsFromFolder(baseFolder + kFormatsFolderName FSTRING_PATH_SEPARATOR)); + #endif + + return S_OK; +} + +#ifndef _SFX + +int CCodecs::FindFormatForArchiveName(const UString &arcPath) const +{ + int slashPos = arcPath.ReverseFind(WCHAR_PATH_SEPARATOR); + int dotPos = arcPath.ReverseFind(L'.'); + if (dotPos < 0 || dotPos < slashPos) + return -1; + const UString ext = arcPath.Ptr(dotPos + 1); + if (ext.IsEmpty()) + return -1; + if (ext.IsEqualToNoCase(L"exe")) + return -1; + FOR_VECTOR (i, Formats) + { + const CArcInfoEx &arc = Formats[i]; + /* + if (!arc.UpdateEnabled) + continue; + */ + if (arc.FindExtension(ext) >= 0) + return i; + } + return -1; +} + +int CCodecs::FindFormatForExtension(const UString &ext) const +{ + if (ext.IsEmpty()) + return -1; + FOR_VECTOR (i, Formats) + if (Formats[i].FindExtension(ext) >= 0) + return i; + return -1; +} + +int CCodecs::FindFormatForArchiveType(const UString &arcType) const +{ + FOR_VECTOR (i, Formats) + if (Formats[i].Name.IsEqualToNoCase(arcType)) + return i; + return -1; +} + +bool CCodecs::FindFormatForArchiveType(const UString &arcType, CIntVector &formatIndices) const +{ + formatIndices.Clear(); + for (unsigned pos = 0; pos < arcType.Len();) + { + int pos2 = arcType.Find('.', pos); + if (pos2 < 0) + pos2 = arcType.Len(); + const UString name = arcType.Mid(pos, pos2 - pos); + if (name.IsEmpty()) + return false; + int index = FindFormatForArchiveType(name); + if (index < 0 && name != L"*") + { + formatIndices.Clear(); + return false; + } + formatIndices.Add(index); + pos = pos2 + 1; + } + return true; +} + +#endif // _SFX + + +#ifdef EXTERNAL_CODECS + +// #define EXPORT_CODECS + +#ifdef EXPORT_CODECS + +extern unsigned g_NumCodecs; +STDAPI CreateCoder2(bool encode, UInt32 index, const GUID *iid, void **outObject); +STDAPI GetMethodProperty(UInt32 codecIndex, PROPID propID, PROPVARIANT *value); +#define NUM_EXPORT_CODECS g_NumCodecs + +extern unsigned g_NumHashers; +STDAPI CreateHasher(UInt32 index, IHasher **hasher); +STDAPI GetHasherProp(UInt32 codecIndex, PROPID propID, PROPVARIANT *value); +#define NUM_EXPORT_HASHERS g_NumHashers + +#else // EXPORT_CODECS + +#define NUM_EXPORT_CODECS 0 +#define NUM_EXPORT_HASHERS 0 + +#endif // EXPORT_CODECS + +STDMETHODIMP CCodecs::GetNumberOfMethods(UInt32 *numMethods) +{ + *numMethods = NUM_EXPORT_CODECS + #ifdef EXTERNAL_CODECS + + Codecs.Size() + #endif + ; + return S_OK; +} + +STDMETHODIMP CCodecs::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value) +{ + #ifdef EXPORT_CODECS + if (index < g_NumCodecs) + return GetMethodProperty(index, propID, value); + #endif + + #ifdef EXTERNAL_CODECS + const CDllCodecInfo &ci = Codecs[index - NUM_EXPORT_CODECS]; + + if (propID == NMethodPropID::kDecoderIsAssigned || + propID == NMethodPropID::kEncoderIsAssigned) + { + NCOM::CPropVariant prop; + prop = (propID == NMethodPropID::kDecoderIsAssigned) ? + ci.DecoderIsAssigned : + ci.EncoderIsAssigned; + prop.Detach(value); + return S_OK; + } + return Libs[ci.LibIndex].GetMethodProperty(ci.CodecIndex, propID, value); + #else + return E_FAIL; + #endif +} + +STDMETHODIMP CCodecs::CreateDecoder(UInt32 index, const GUID *iid, void **coder) +{ + #ifdef EXPORT_CODECS + if (index < g_NumCodecs) + return CreateCoder2(false, index, iid, coder); + #endif + #ifdef EXTERNAL_CODECS + const CDllCodecInfo &ci = Codecs[index - NUM_EXPORT_CODECS]; + if (ci.DecoderIsAssigned) + return Libs[ci.LibIndex].CreateObject(&ci.Decoder, iid, (void **)coder); + return S_OK; + #else + return E_FAIL; + #endif +} + +STDMETHODIMP CCodecs::CreateEncoder(UInt32 index, const GUID *iid, void **coder) +{ + #ifdef EXPORT_CODECS + if (index < g_NumCodecs) + return CreateCoder2(true, index, iid, coder); + #endif + #ifdef EXTERNAL_CODECS + const CDllCodecInfo &ci = Codecs[index - NUM_EXPORT_CODECS]; + if (ci.EncoderIsAssigned) + return Libs[ci.LibIndex].CreateObject(&ci.Encoder, iid, (void **)coder); + return S_OK; + #else + return E_FAIL; + #endif +} + + +STDMETHODIMP_(UInt32) CCodecs::GetNumHashers() +{ + return NUM_EXPORT_HASHERS + #ifdef EXTERNAL_CODECS + + Hashers.Size() + #endif + ; +} + +STDMETHODIMP CCodecs::GetHasherProp(UInt32 index, PROPID propID, PROPVARIANT *value) +{ + #ifdef EXPORT_CODECS + if (index < g_NumHashers) + return ::GetHasherProp(index, propID, value); + #endif + + #ifdef EXTERNAL_CODECS + const CDllHasherInfo &ci = Hashers[index - NUM_EXPORT_HASHERS]; + return Libs[ci.LibIndex].Hashers->GetHasherProp(ci.HasherIndex, propID, value); + #else + return E_FAIL; + #endif +} + +STDMETHODIMP CCodecs::CreateHasher(UInt32 index, IHasher **hasher) +{ + #ifdef EXPORT_CODECS + if (index < g_NumHashers) + return CreateHasher(index, hasher); + #endif + #ifdef EXTERNAL_CODECS + const CDllHasherInfo &ci = Hashers[index - NUM_EXPORT_HASHERS]; + return Libs[ci.LibIndex].Hashers->CreateHasher(ci.HasherIndex, hasher); + #else + return E_FAIL; + #endif +} + +int CCodecs::GetCodecLibIndex(UInt32 index) +{ + #ifdef EXPORT_CODECS + if (index < g_NumCodecs) + return -1; + #endif + #ifdef EXTERNAL_CODECS + const CDllCodecInfo &ci = Codecs[index - NUM_EXPORT_CODECS]; + return ci.LibIndex; + #else + return -1; + #endif +} + +int CCodecs::GetHasherLibIndex(UInt32 index) +{ + #ifdef EXPORT_CODECS + if (index < g_NumHashers) + return -1; + #endif + #ifdef EXTERNAL_CODECS + const CDllHasherInfo &ci = Hashers[index - NUM_EXPORT_HASHERS]; + return ci.LibIndex; + #else + return -1; + #endif +} + +bool CCodecs::GetCodecEncoderIsAssigned(UInt32 index) +{ + #ifdef EXPORT_CODECS + if (index < g_NumCodecs) + { + NCOM::CPropVariant prop; + if (GetProperty(index, NMethodPropID::kEncoder, &prop) == S_OK) + if (prop.vt != VT_EMPTY) + return true; + return false; + } + #endif + #ifdef EXTERNAL_CODECS + const CDllCodecInfo &ci = Codecs[index - NUM_EXPORT_CODECS]; + return ci.EncoderIsAssigned; + #else + return false; + #endif +} + +HRESULT CCodecs::GetCodecId(UInt32 index, UInt64 &id) +{ + NCOM::CPropVariant prop; + RINOK(GetProperty(index, NMethodPropID::kID, &prop)); + if (prop.vt != VT_UI8) + return E_INVALIDARG; + id = prop.uhVal.QuadPart; + return S_OK; +} + +UString CCodecs::GetCodecName(UInt32 index) +{ + UString s; + NCOM::CPropVariant prop; + if (GetProperty(index, NMethodPropID::kName, &prop) == S_OK) + if (prop.vt == VT_BSTR) + s = prop.bstrVal; + return s; +} + +UInt64 CCodecs::GetHasherId(UInt32 index) +{ + NCOM::CPropVariant prop; + RINOK(GetHasherProp(index, NMethodPropID::kID, &prop)); + if (prop.vt != VT_UI8) + return 0; + return prop.uhVal.QuadPart; +} + +UString CCodecs::GetHasherName(UInt32 index) +{ + UString s; + NCOM::CPropVariant prop; + if (GetHasherProp(index, NMethodPropID::kName, &prop) == S_OK) + if (prop.vt == VT_BSTR) + s = prop.bstrVal; + return s; +} + +UInt32 CCodecs::GetHasherDigestSize(UInt32 index) +{ + NCOM::CPropVariant prop; + RINOK(GetHasherProp(index, NMethodPropID::kDigestSize, &prop)); + if (prop.vt != VT_UI4) + return 0; + return prop.ulVal; +} + +#endif // EXTERNAL_CODECS |