1 files changed, 192 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Common/CreateCoder.h b/other-licenses/7zstub/src/CPP/7zip/Common/CreateCoder.h
new file mode 100644
index 000000000..2105818fb
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Common/CreateCoder.h
@@ -0,0 +1,192 @@
+// CreateCoder.h
+
+#ifndef __CREATE_CODER_H
+#define __CREATE_CODER_H
+
+#include "../../Common/MyCom.h"
+#include "../../Common/MyString.h"
+
+#include "../ICoder.h"
+
+#include "MethodId.h"
+
+/*
+  if EXTERNAL_CODECS is not defined, the code supports only codecs that
+      are statically linked at compile-time and link-time.
+
+  if EXTERNAL_CODECS is defined, the code supports also codecs from another
+      executable modules, that can be linked dynamically at run-time:
+        - EXE module can use codecs from external DLL files.
+        - DLL module can use codecs from external EXE and DLL files.
+     
+      CExternalCodecs contains information about codecs and interfaces to create them.
+  
+  The order of codecs:
+    1) Internal codecs
+    2) External codecs
+*/
+
+#ifdef EXTERNAL_CODECS
+
+struct CCodecInfoEx
+{
+  CMethodId Id;
+  AString Name;
+  UInt32 NumStreams;
+  bool EncoderIsAssigned;
+  bool DecoderIsAssigned;
+  
+  CCodecInfoEx(): EncoderIsAssigned(false), DecoderIsAssigned(false) {}
+};
+
+struct CHasherInfoEx
+{
+  CMethodId Id;
+  AString Name;
+};
+
+#define PUBLIC_ISetCompressCodecsInfo public ISetCompressCodecsInfo,
+#define QUERY_ENTRY_ISetCompressCodecsInfo MY_QUERYINTERFACE_ENTRY(ISetCompressCodecsInfo)
+#define DECL_ISetCompressCodecsInfo STDMETHOD(SetCompressCodecsInfo)(ICompressCodecsInfo *compressCodecsInfo);
+#define IMPL_ISetCompressCodecsInfo2(x) \
+STDMETHODIMP x::SetCompressCodecsInfo(ICompressCodecsInfo *compressCodecsInfo) { \
+  COM_TRY_BEGIN __externalCodecs.GetCodecs = compressCodecsInfo;  return __externalCodecs.Load(); COM_TRY_END }
+#define IMPL_ISetCompressCodecsInfo IMPL_ISetCompressCodecsInfo2(CHandler)
+
+struct CExternalCodecs
+{
+  CMyComPtr<ICompressCodecsInfo> GetCodecs;
+  CMyComPtr<IHashers> GetHashers;
+
+  CObjectVector<CCodecInfoEx> Codecs;
+  CObjectVector<CHasherInfoEx> Hashers;
+
+  bool IsSet() const { return GetCodecs != NULL || GetHashers != NULL; }
+
+  HRESULT Load();
+
+  void ClearAndRelease()
+  {
+    Hashers.Clear();
+    Codecs.Clear();
+    GetHashers.Release();
+    GetCodecs.Release();
+  }
+
+  ~CExternalCodecs()
+  {
+    GetHashers.Release();
+    GetCodecs.Release();
+  }
+};
+
+extern CExternalCodecs g_ExternalCodecs;
+
+#define EXTERNAL_CODECS_VARS2   (__externalCodecs.IsSet() ? &__externalCodecs : &g_ExternalCodecs)
+#define EXTERNAL_CODECS_VARS2_L (&__externalCodecs)
+#define EXTERNAL_CODECS_VARS2_G (&g_ExternalCodecs)
+
+#define DECL_EXTERNAL_CODECS_VARS CExternalCodecs __externalCodecs;
+
+#define EXTERNAL_CODECS_VARS   EXTERNAL_CODECS_VARS2,
+#define EXTERNAL_CODECS_VARS_L EXTERNAL_CODECS_VARS2_L,
+#define EXTERNAL_CODECS_VARS_G EXTERNAL_CODECS_VARS2_G,
+
+#define DECL_EXTERNAL_CODECS_LOC_VARS2 const CExternalCodecs *__externalCodecs
+#define EXTERNAL_CODECS_LOC_VARS2 __externalCodecs
+
+#define DECL_EXTERNAL_CODECS_LOC_VARS DECL_EXTERNAL_CODECS_LOC_VARS2,
+#define EXTERNAL_CODECS_LOC_VARS EXTERNAL_CODECS_LOC_VARS2,
+
+#else
+
+#define PUBLIC_ISetCompressCodecsInfo
+#define QUERY_ENTRY_ISetCompressCodecsInfo
+#define DECL_ISetCompressCodecsInfo
+#define IMPL_ISetCompressCodecsInfo
+#define EXTERNAL_CODECS_VARS2
+#define DECL_EXTERNAL_CODECS_VARS
+#define EXTERNAL_CODECS_VARS
+#define EXTERNAL_CODECS_VARS_L
+#define EXTERNAL_CODECS_VARS_G
+#define DECL_EXTERNAL_CODECS_LOC_VARS2
+#define EXTERNAL_CODECS_LOC_VARS2
+#define DECL_EXTERNAL_CODECS_LOC_VARS
+#define EXTERNAL_CODECS_LOC_VARS
+
+#endif
+
+int FindMethod_Index(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    const AString &name,
+    bool encode,
+    CMethodId &methodId,
+    UInt32 &numStreams);
+
+bool FindMethod(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CMethodId methodId,
+    AString &name);
+
+bool FindHashMethod(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    const AString &name,
+    CMethodId &methodId);
+
+void GetHashMethods(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CRecordVector<CMethodId> &methods);
+
+
+struct CCreatedCoder
+{
+  CMyComPtr<ICompressCoder> Coder;
+  CMyComPtr<ICompressCoder2> Coder2;
+  
+  bool IsExternal;
+  bool IsFilter; // = true, if Coder was created from filter
+  UInt32 NumStreams;
+
+  // CCreatedCoder(): IsExternal(false), IsFilter(false), NumStreams(1) {}
+};
+
+
+HRESULT CreateCoder_Index(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    unsigned codecIndex, bool encode,
+    CMyComPtr<ICompressFilter> &filter,
+    CCreatedCoder &cod);
+
+HRESULT CreateCoder_Index(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    unsigned index, bool encode,
+    CCreatedCoder &cod);
+
+HRESULT CreateCoder_Id(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CMethodId methodId, bool encode,
+    CMyComPtr<ICompressFilter> &filter,
+    CCreatedCoder &cod);
+
+HRESULT CreateCoder_Id(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CMethodId methodId, bool encode,
+    CCreatedCoder &cod);
+
+HRESULT CreateCoder_Id(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CMethodId methodId, bool encode,
+    CMyComPtr<ICompressCoder> &coder);
+
+HRESULT CreateFilter(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CMethodId methodId, bool encode,
+    CMyComPtr<ICompressFilter> &filter);
+
+HRESULT CreateHasher(
+    DECL_EXTERNAL_CODECS_LOC_VARS
+    CMethodId methodId,
+    AString &name,
+    CMyComPtr<IHasher> &hasher);
+
+#endif