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 LPCWSTR kCantFindArchive = L"Can not find archive file";
22 static LPCWSTR kCantOpenArchive = L"Can not 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,
68 #ifdef LANG
69 0x02000603,
70 #endif
71 fs2us(dirPath));
72 Result = E_FAIL;
73 return;
74 }
75
76 ExtractCallbackSpec->Init(ArchiveLink.GetArchive(), dirPath, L"Default", fi.MTime, 0);
77
78 Result = ArchiveLink.GetArchive()->Extract(0, (UInt32)(Int32)-1 , BoolToInt(false), ExtractCallback);
79 }
80
ProcessCThreadExtracting81 void Process()
82 {
83 try
84 {
85 #ifndef _NO_PROGRESS
86 CProgressCloser closer(ExtractCallbackSpec->ProgressDialog);
87 #endif
88 Process2();
89 }
90 catch(...) { Result = E_FAIL; }
91 }
92
MyThreadFunctionCThreadExtracting93 static THREAD_FUNC_DECL MyThreadFunction(void *param)
94 {
95 ((CThreadExtracting *)param)->Process();
96 return 0;
97 }
98 };
99
ExtractArchive(CCodecs * codecs,const FString & fileName,const FString & destFolder,bool showProgress,bool & isCorrupt,UString & errorMessage)100 HRESULT ExtractArchive(CCodecs *codecs, const FString &fileName, const FString &destFolder,
101 bool showProgress, bool &isCorrupt, UString &errorMessage)
102 {
103 isCorrupt = false;
104 CThreadExtracting t;
105
106 t.Codecs = codecs;
107 t.FileName = fileName;
108 t.DestFolder = destFolder;
109
110 t.ExtractCallbackSpec = new CExtractCallbackImp;
111 t.ExtractCallback = t.ExtractCallbackSpec;
112
113 #ifndef _NO_PROGRESS
114
115 if (showProgress)
116 {
117 t.ExtractCallbackSpec->ProgressDialog.IconID = IDI_ICON;
118 NWindows::CThread thread;
119 RINOK(thread.Create(CThreadExtracting::MyThreadFunction, &t));
120
121 UString title;
122 LangString(IDS_PROGRESS_EXTRACTING, title);
123 t.ExtractCallbackSpec->StartProgressDialog(title, thread);
124 }
125 else
126
127 #endif
128 {
129 t.Process2();
130 }
131
132 errorMessage = t.ErrorMessage;
133 if (errorMessage.IsEmpty())
134 errorMessage = t.ExtractCallbackSpec->_message;
135 isCorrupt = t.ExtractCallbackSpec->_isCorrupt;
136 return t.Result;
137 }
138