1// ExtractEngine.cpp
2
3#include "StdAfx.h"
4
5#include "../../../Windows/FileDir.h"
6#include "../../../Windows/FileName.h"
7#include "../../../Windows/Thread.h"
8
9#include "../../UI/Common/OpenArchive.h"
10
11#include "../../UI/FileManager/FormatUtils.h"
12#include "../../UI/FileManager/LangUtils.h"
13
14#include "ExtractCallbackSfx.h"
15#include "ExtractEngine.h"
16
17using namespace NWindows;
18using namespace NFile;
19using namespace NDir;
20
21static LPCSTR const kCantFindArchive = "Cannot find archive file";
22static LPCSTR const kCantOpenArchive = "Cannot open the file as archive";
23
24struct CThreadExtracting
25{
26  CCodecs *Codecs;
27  FString FileName;
28  FString DestFolder;
29
30  CExtractCallbackImp *ExtractCallbackSpec;
31  CMyComPtr<IArchiveExtractCallback> ExtractCallback;
32
33  CArchiveLink ArchiveLink;
34  HRESULT Result;
35  UString ErrorMessage;
36
37  void Process2()
38  {
39    NFind::CFileInfo fi;
40    if (!fi.Find(FileName))
41    {
42      ErrorMessage = kCantFindArchive;
43      Result = E_FAIL;
44      return;
45    }
46
47    CObjectVector<COpenType> incl;
48    CIntVector excl;
49    COpenOptions options;
50    options.codecs = Codecs;
51    options.types = &incl;
52    options.excludedFormats = &excl;
53    options.filePath = fs2us(FileName);
54
55    Result = ArchiveLink.Open2(options, ExtractCallbackSpec);
56    if (Result != S_OK)
57    {
58      ErrorMessage = kCantOpenArchive;
59      return;
60    }
61
62    FString dirPath = DestFolder;
63    NName::NormalizeDirPathPrefix(dirPath);
64
65    if (!CreateComplexDir(dirPath))
66    {
67      ErrorMessage = MyFormatNew(IDS_CANNOT_CREATE_FOLDER, fs2us(dirPath));
68      Result = E_FAIL;
69      return;
70    }
71
72    ExtractCallbackSpec->Init(ArchiveLink.GetArchive(), dirPath, (UString)"Default", fi.MTime, 0);
73
74    Result = ArchiveLink.GetArchive()->Extract(NULL, (UInt32)(Int32)-1 , BoolToInt(false), ExtractCallback);
75  }
76
77  void Process()
78  {
79    try
80    {
81      #ifndef _NO_PROGRESS
82      CProgressCloser closer(ExtractCallbackSpec->ProgressDialog);
83      #endif
84      Process2();
85    }
86    catch(...) { Result = E_FAIL; }
87  }
88
89  static THREAD_FUNC_DECL MyThreadFunction(void *param)
90  {
91    ((CThreadExtracting *)param)->Process();
92    return 0;
93  }
94};
95
96HRESULT ExtractArchive(CCodecs *codecs, const FString &fileName, const FString &destFolder,
97    bool showProgress, bool &isCorrupt, UString &errorMessage)
98{
99  isCorrupt = false;
100  CThreadExtracting t;
101
102  t.Codecs = codecs;
103  t.FileName = fileName;
104  t.DestFolder = destFolder;
105
106  t.ExtractCallbackSpec = new CExtractCallbackImp;
107  t.ExtractCallback = t.ExtractCallbackSpec;
108
109  #ifndef _NO_PROGRESS
110
111  if (showProgress)
112  {
113    t.ExtractCallbackSpec->ProgressDialog.IconID = IDI_ICON;
114    NWindows::CThread thread;
115    const WRes wres = thread.Create(CThreadExtracting::MyThreadFunction, &t);
116    if (wres != 0)
117      return HRESULT_FROM_WIN32(wres);
118
119    UString title;
120    LangString(IDS_PROGRESS_EXTRACTING, title);
121    t.ExtractCallbackSpec->StartProgressDialog(title, thread);
122  }
123  else
124
125  #endif
126  {
127    t.Process2();
128  }
129
130  errorMessage = t.ErrorMessage;
131  if (errorMessage.IsEmpty())
132    errorMessage = t.ExtractCallbackSpec->_message;
133  isCorrupt = t.ExtractCallbackSpec->_isCorrupt;
134  return t.Result;
135}
136