From f2902217b38cf2e16e851ae84d61247f8e828180 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Mon, 25 Mar 2019 17:53:14 +0100
Subject: Update the 7z installer stub source to 18.05.

Tag #1022
---
 .../CPP/7zip/Bundles/SFXSetup/ExtractEngine.cpp    | 137 +++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 other-licenses/7zstub/src/CPP/7zip/Bundles/SFXSetup/ExtractEngine.cpp

(limited to 'other-licenses/7zstub/src/CPP/7zip/Bundles/SFXSetup/ExtractEngine.cpp')

diff --git a/other-licenses/7zstub/src/CPP/7zip/Bundles/SFXSetup/ExtractEngine.cpp b/other-licenses/7zstub/src/CPP/7zip/Bundles/SFXSetup/ExtractEngine.cpp
new file mode 100644
index 000000000..194e37614
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Bundles/SFXSetup/ExtractEngine.cpp
@@ -0,0 +1,137 @@
+// ExtractEngine.cpp
+
+#include "StdAfx.h"
+
+#include "../../../Windows/FileDir.h"
+#include "../../../Windows/FileName.h"
+#include "../../../Windows/Thread.h"
+
+#include "../../UI/Common/OpenArchive.h"
+
+#include "../../UI/FileManager/FormatUtils.h"
+#include "../../UI/FileManager/LangUtils.h"
+
+#include "ExtractCallbackSfx.h"
+#include "ExtractEngine.h"
+
+using namespace NWindows;
+using namespace NFile;
+using namespace NDir;
+
+static LPCSTR const kCantFindArchive = "Can not find archive file";
+static LPCSTR const kCantOpenArchive = "Can not open the file as archive";
+
+struct CThreadExtracting
+{
+  CCodecs *Codecs;
+  FString FileName;
+  FString DestFolder;
+
+  CExtractCallbackImp *ExtractCallbackSpec;
+  CMyComPtr<IArchiveExtractCallback> ExtractCallback;
+
+  CArchiveLink ArchiveLink;
+  HRESULT Result;
+  UString ErrorMessage;
+
+  void Process2()
+  {
+    NFind::CFileInfo fi;
+    if (!fi.Find(FileName))
+    {
+      ErrorMessage = kCantFindArchive;
+      Result = E_FAIL;
+      return;
+    }
+
+    CObjectVector<COpenType> incl;
+    CIntVector excl;
+    COpenOptions options;
+    options.codecs = Codecs;
+    options.types = &incl;
+    options.excludedFormats = &excl;
+    options.filePath = fs2us(FileName);
+    
+    Result = ArchiveLink.Open2(options, ExtractCallbackSpec);
+    if (Result != S_OK)
+    {
+      ErrorMessage = kCantOpenArchive;
+      return;
+    }
+
+    FString dirPath = DestFolder;
+    NName::NormalizeDirPathPrefix(dirPath);
+    
+    if (!CreateComplexDir(dirPath))
+    {
+      ErrorMessage = MyFormatNew(IDS_CANNOT_CREATE_FOLDER,
+        #ifdef LANG
+        0x02000603,
+        #endif
+        fs2us(dirPath));
+      Result = E_FAIL;
+      return;
+    }
+
+    ExtractCallbackSpec->Init(ArchiveLink.GetArchive(), dirPath, (UString)"Default", fi.MTime, 0);
+
+    Result = ArchiveLink.GetArchive()->Extract(0, (UInt32)(Int32)-1 , BoolToInt(false), ExtractCallback);
+  }
+
+  void Process()
+  {
+    try
+    {
+      #ifndef _NO_PROGRESS
+      CProgressCloser closer(ExtractCallbackSpec->ProgressDialog);
+      #endif
+      Process2();
+    }
+    catch(...) { Result = E_FAIL; }
+  }
+  
+  static THREAD_FUNC_DECL MyThreadFunction(void *param)
+  {
+    ((CThreadExtracting *)param)->Process();
+    return 0;
+  }
+};
+
+HRESULT ExtractArchive(CCodecs *codecs, const FString &fileName, const FString &destFolder,
+    bool showProgress, bool &isCorrupt, UString &errorMessage)
+{
+  isCorrupt = false;
+  CThreadExtracting t;
+
+  t.Codecs = codecs;
+  t.FileName = fileName;
+  t.DestFolder = destFolder;
+
+  t.ExtractCallbackSpec = new CExtractCallbackImp;
+  t.ExtractCallback = t.ExtractCallbackSpec;
+  
+  #ifndef _NO_PROGRESS
+
+  if (showProgress)
+  {
+    t.ExtractCallbackSpec->ProgressDialog.IconID = IDI_ICON;
+    NWindows::CThread thread;
+    RINOK(thread.Create(CThreadExtracting::MyThreadFunction, &t));
+    
+    UString title;
+    LangString(IDS_PROGRESS_EXTRACTING, title);
+    t.ExtractCallbackSpec->StartProgressDialog(title, thread);
+  }
+  else
+
+  #endif
+  {
+    t.Process2();
+  }
+
+  errorMessage = t.ErrorMessage;
+  if (errorMessage.IsEmpty())
+    errorMessage = t.ExtractCallbackSpec->_message;
+  isCorrupt = t.ExtractCallbackSpec->_isCorrupt;
+  return t.Result;
+}
-- 
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