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
17 using namespace NWindows;
18 using namespace NFile;
19 using namespace NDir;
20
21 static LPCSTR const kCantFindArchive = "Cannot find archive file";
22 static LPCSTR const kCantOpenArchive = "Cannot open the file as archive";
23
24 struct 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
Process2CThreadExtracting37 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 = !
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
ProcessCThreadExtracting77 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
MyThreadFunctionCThreadExtracting89 static THREAD_FUNC_DECL MyThreadFunction(void *param)
90 {
91 ((CThreadExtracting *)param)->Process();
92 return 0;
93 }
94 };
95
ExtractArchive(CCodecs * codecs,const FString & fileName,const FString & destFolder,bool showProgress,bool & isCorrupt,UString & errorMessage)96 HRESULT 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