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compilation fix: include wx/platform.h before testing for __WIN32__
[wxWidgets.git] / src / common / fs_zip.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: fs_zip.cpp
3// Purpose: ZIP file system
4// Author: Vaclav Slavik
5// Copyright: (c) 1999 Vaclav Slavik
de0702d0 6// CVS-ID: $Id$
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7// Licence: wxWindows Licence
8/////////////////////////////////////////////////////////////////////////////
9
10
de0702d0 11
5526e819 12#ifdef __GNUG__
c3f4609e 13#pragma implementation "fs_zip.h"
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14#endif
15
3096bd2f 16#include "wx/wxprec.h"
5526e819 17
2b5f62a0 18#ifdef __BORLANDC__
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19#pragma hdrstop
20#endif
21
24528b0c 22#if wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM
e3e717ec 23
5526e819 24#ifndef WXPRECOMP
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25 #include "wx/intl.h"
26 #include "wx/log.h"
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27#endif
28
de0702d0 29#include "wx/hash.h"
5526e819 30#include "wx/filesys.h"
6001e347 31#include "wx/zipstrm.h"
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32#include "wx/fs_zip.h"
33
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34/* Not the right solution (paths in makefiles) but... */
35#ifdef __BORLANDC__
36#include "../common/unzip.h"
37#else
38#include "unzip.h"
39#endif
40
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41
42//--------------------------------------------------------------------------------
43// wxZipFSHandler
44//--------------------------------------------------------------------------------
45
46
47
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48wxZipFSHandler::wxZipFSHandler() : wxFileSystemHandler()
49{
50 m_Archive = NULL;
51 m_ZipFile = m_Pattern = m_BaseDir = wxEmptyString;
52 m_AllowDirs = m_AllowFiles = TRUE;
de0702d0 53 m_DirsFound = NULL;
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54}
55
56
57
58wxZipFSHandler::~wxZipFSHandler()
59{
505710ca 60 if (m_Archive)
aaa66113 61 unzClose((unzFile)m_Archive);
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62 if (m_DirsFound)
63 delete m_DirsFound;
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64}
65
66
67
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68bool wxZipFSHandler::CanOpen(const wxString& location)
69{
70 wxString p = GetProtocol(location);
505710ca 71 return (p == wxT("zip")) &&
08b50c2c 72 (GetProtocol(GetLeftLocation(location)) == wxT("file"));
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73}
74
75
76
77
78wxFSFile* wxZipFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
79{
80 wxString right = GetRightLocation(location);
81 wxString left = GetLeftLocation(location);
82 wxInputStream *s;
83
505710ca 84 if (GetProtocol(left) != wxT("file"))
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85 {
86 wxLogError(_("ZIP handler currently supports only local files!"));
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87 return NULL;
88 }
89
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90 if (right.GetChar(0) == wxT('/')) right = right.Mid(1);
91
9548c49a 92 wxFileName leftFilename = wxFileSystem::URLToFileName(left);
2b5f62a0 93
9548c49a 94 s = new wxZipInputStream(leftFilename.GetFullPath(), right);
2b5f62a0 95 if (s && s->IsOk() )
095472c0 96 {
5526e819 97 return new wxFSFile(s,
58c837a4 98 left + wxT("#zip:") + right,
5526e819 99 GetMimeTypeFromExt(location),
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100 GetAnchor(location)
101#if wxUSE_DATETIME
102 , wxDateTime(wxFileModificationTime(left))
103#endif // wxUSE_DATETIME
104 );
5526e819 105 }
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106
107 delete s;
108 return NULL;
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109}
110
111
112
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113wxString wxZipFSHandler::FindFirst(const wxString& spec, int flags)
114{
115 wxString right = GetRightLocation(spec);
116 wxString left = GetLeftLocation(spec);
505710ca 117
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118 if (right.Last() == wxT('/')) right.RemoveLast();
119
505710ca 120 if (m_Archive)
095472c0 121 {
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122 unzClose((unzFile)m_Archive);
123 m_Archive = NULL;
124 }
125
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126 if (GetProtocol(left) != wxT("file"))
127 {
128 wxLogError(_("ZIP handler currently supports only local files!"));
aaa66113 129 return wxEmptyString;
de0702d0 130 }
aaa66113 131
505710ca 132 switch (flags)
095472c0 133 {
505710ca 134 case wxFILE:
095472c0 135 m_AllowDirs = FALSE, m_AllowFiles = TRUE; break;
505710ca 136 case wxDIR:
095472c0 137 m_AllowDirs = TRUE, m_AllowFiles = FALSE; break;
505710ca 138 default:
095472c0 139 m_AllowDirs = m_AllowFiles = TRUE; break;
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140 }
141
142 m_ZipFile = left;
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143 wxString nativename = wxFileSystem::URLToFileName(m_ZipFile).GetFullPath();
144 m_Archive = (void*) unzOpen(nativename.mb_str());
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145 m_Pattern = right.AfterLast(wxT('/'));
146 m_BaseDir = right.BeforeLast(wxT('/'));
147
505710ca 148 if (m_Archive)
095472c0 149 {
505710ca 150 if (unzGoToFirstFile((unzFile)m_Archive) != UNZ_OK)
095472c0 151 {
aaa66113 152 unzClose((unzFile)m_Archive);
505710ca 153 m_Archive = NULL;
aaa66113 154 }
505710ca 155 else
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156 {
157 if (m_AllowDirs)
158 {
159 delete m_DirsFound;
160 m_DirsFound = new wxHashTableLong();
161 }
162 return DoFind();
163 }
aaa66113 164 }
095472c0 165 return wxEmptyString;
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166}
167
168
169
170wxString wxZipFSHandler::FindNext()
5526e819 171{
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172 if (!m_Archive) return wxEmptyString;
173 return DoFind();
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174}
175
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176
177
178wxString wxZipFSHandler::DoFind()
179{
180 static char namebuf[1024]; // char, not wxChar!
181 char *c;
de0702d0 182 wxString namestr, dir, filename;
aaa66113 183 wxString match = wxEmptyString;
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184
185 while (match == wxEmptyString)
186 {
187 unzGetCurrentFileInfo((unzFile)m_Archive, NULL, namebuf, 1024, NULL, 0, NULL, 0);
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188 for (c = namebuf; *c; c++) if (*c == '\\') *c = '/';
189 namestr = wxString::FromAscii( namebuf ); // TODO what encoding does ZIP use?
aaa66113 190
de0702d0 191 if (m_AllowDirs)
095472c0 192 {
505710ca 193 dir = namestr.BeforeLast(wxT('/'));
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194 while (!dir.IsEmpty())
195 {
196 long key = 0;
197 for (size_t i = 0; i < dir.Length(); i++) key += (wxUChar)dir[i];
198 if (m_DirsFound->Get(key) == wxNOT_FOUND)
199 {
200 m_DirsFound->Put(key, 1);
201 filename = dir.AfterLast(wxT('/'));
202 dir = dir.BeforeLast(wxT('/'));
203 if (!filename.IsEmpty() && m_BaseDir == dir &&
204 wxMatchWild(m_Pattern, filename, FALSE))
205 match = m_ZipFile + wxT("#zip:") + dir + wxT("/") + filename;
206 }
505710ca 207 else
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208 break; // already tranversed
209 }
aaa66113 210 }
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211
212 filename = namestr.AfterLast(wxT('/'));
213 dir = namestr.BeforeLast(wxT('/'));
214 if (m_AllowFiles && !filename.IsEmpty() && m_BaseDir == dir &&
215 wxMatchWild(m_Pattern, filename, FALSE))
216 match = m_ZipFile + wxT("#zip:") + namestr;
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217
218 if (unzGoToNextFile((unzFile)m_Archive) != UNZ_OK)
095472c0 219 {
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220 unzClose((unzFile)m_Archive);
221 m_Archive = NULL;
222 break;
223 }
224 }
505710ca 225
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226 return match;
227}
228
229
230
505710ca 231#endif
24528b0c 232 //wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM