| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: fs_zip.cpp |
| 3 | // Purpose: ZIP file system |
| 4 | // Author: Vaclav Slavik |
| 5 | // Copyright: (c) 1999 Vaclav Slavik |
| 6 | // Licence: wxWindows Licence |
| 7 | ///////////////////////////////////////////////////////////////////////////// |
| 8 | |
| 9 | |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation |
| 12 | #endif |
| 13 | |
| 14 | #include "wx/wxprec.h" |
| 15 | |
| 16 | #ifdef __BORDLANDC__ |
| 17 | #pragma hdrstop |
| 18 | #endif |
| 19 | |
| 20 | #if wxUSE_FS_ZIP |
| 21 | |
| 22 | #ifndef WXPRECOMP |
| 23 | #include "wx/wx.h" |
| 24 | #endif |
| 25 | |
| 26 | #include "wx/filesys.h" |
| 27 | #include "wx/zipstrm.h" |
| 28 | #include "wx/fs_zip.h" |
| 29 | |
| 30 | /* Not the right solution (paths in makefiles) but... */ |
| 31 | #ifdef __BORLANDC__ |
| 32 | #include "../common/unzip.h" |
| 33 | #else |
| 34 | #include "unzip.h" |
| 35 | #endif |
| 36 | |
| 37 | |
| 38 | //-------------------------------------------------------------------------------- |
| 39 | // wxZipFSHandler |
| 40 | //-------------------------------------------------------------------------------- |
| 41 | |
| 42 | |
| 43 | |
| 44 | wxZipFSHandler::wxZipFSHandler() : wxFileSystemHandler() |
| 45 | { |
| 46 | m_Archive = NULL; |
| 47 | m_ZipFile = m_Pattern = m_BaseDir = wxEmptyString; |
| 48 | m_AllowDirs = m_AllowFiles = TRUE; |
| 49 | } |
| 50 | |
| 51 | |
| 52 | |
| 53 | wxZipFSHandler::~wxZipFSHandler() |
| 54 | { |
| 55 | if (m_Archive) |
| 56 | unzClose((unzFile)m_Archive); |
| 57 | } |
| 58 | |
| 59 | |
| 60 | |
| 61 | bool wxZipFSHandler::CanOpen(const wxString& location) |
| 62 | { |
| 63 | wxString p = GetProtocol(location); |
| 64 | return (p == wxT("zip") ); |
| 65 | } |
| 66 | |
| 67 | |
| 68 | |
| 69 | |
| 70 | wxFSFile* wxZipFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) |
| 71 | { |
| 72 | wxString right = GetRightLocation(location); |
| 73 | wxString left = GetLeftLocation(location); |
| 74 | wxInputStream *s; |
| 75 | |
| 76 | if (GetProtocol(left) != wxT("file")) { |
| 77 | return NULL; |
| 78 | } |
| 79 | |
| 80 | s = new wxZipInputStream(left, right); |
| 81 | if (s && (s -> LastError() == wxStream_NOERROR)) { |
| 82 | return new wxFSFile(s, |
| 83 | left + wxT("#zip:") + right, |
| 84 | GetMimeTypeFromExt(location), |
| 85 | GetAnchor(location)); |
| 86 | } |
| 87 | else return NULL; |
| 88 | } |
| 89 | |
| 90 | |
| 91 | |
| 92 | wxString wxZipFSHandler::FindFirst(const wxString& spec, int flags) |
| 93 | { |
| 94 | wxString right = GetRightLocation(spec); |
| 95 | wxString left = GetLeftLocation(spec); |
| 96 | |
| 97 | if (right.Last() == wxT('/')) right.RemoveLast(); |
| 98 | |
| 99 | if (m_Archive) { |
| 100 | unzClose((unzFile)m_Archive); |
| 101 | m_Archive = NULL; |
| 102 | } |
| 103 | |
| 104 | if (GetProtocol(left) != wxT("file")) { |
| 105 | return wxEmptyString; |
| 106 | } |
| 107 | |
| 108 | switch (flags) { |
| 109 | case wxFILE : m_AllowDirs = FALSE, m_AllowFiles = TRUE; break; |
| 110 | case wxDIR : m_AllowDirs = TRUE, m_AllowFiles = FALSE; break; |
| 111 | default : m_AllowDirs = m_AllowFiles = TRUE; break; |
| 112 | } |
| 113 | |
| 114 | m_ZipFile = left; |
| 115 | m_Archive = (void*) unzOpen(m_ZipFile.fn_str()); |
| 116 | m_Pattern = right.AfterLast(wxT('/')); |
| 117 | m_BaseDir = right.BeforeLast(wxT('/')); |
| 118 | |
| 119 | if (m_Archive) { |
| 120 | if (unzGoToFirstFile((unzFile)m_Archive) != UNZ_OK) { |
| 121 | unzClose((unzFile)m_Archive); |
| 122 | m_Archive = NULL; |
| 123 | } |
| 124 | } |
| 125 | return DoFind(); |
| 126 | } |
| 127 | |
| 128 | |
| 129 | |
| 130 | wxString wxZipFSHandler::FindNext() |
| 131 | { |
| 132 | if (!m_Archive) return wxEmptyString; |
| 133 | return DoFind(); |
| 134 | } |
| 135 | |
| 136 | |
| 137 | |
| 138 | wxString wxZipFSHandler::DoFind() |
| 139 | { |
| 140 | static char namebuf[1024]; // char, not wxChar! |
| 141 | char *c; |
| 142 | wxString fn, dir, name; |
| 143 | wxString match = wxEmptyString; |
| 144 | bool wasdir; |
| 145 | |
| 146 | while (match == wxEmptyString) |
| 147 | { |
| 148 | unzGetCurrentFileInfo((unzFile)m_Archive, NULL, namebuf, 1024, NULL, 0, NULL, 0); |
| 149 | for (c = namebuf; *c; c++) if (*c == wxT('\\')) *c = wxT('/'); |
| 150 | fn = namebuf; |
| 151 | if (fn.Last() == wxT('/')) { |
| 152 | fn.RemoveLast(); |
| 153 | wasdir = TRUE; |
| 154 | } |
| 155 | else wasdir = FALSE; |
| 156 | |
| 157 | name = fn.AfterLast(wxT('/')); |
| 158 | dir = fn.BeforeLast(wxT('/')); |
| 159 | |
| 160 | if (dir == m_BaseDir) { |
| 161 | if (m_AllowFiles && !wasdir && wxMatchWild(m_Pattern, name, FALSE)) |
| 162 | match = m_ZipFile + wxT("#zip:") + fn; |
| 163 | if (m_AllowDirs && wasdir && wxMatchWild(m_Pattern, name, FALSE)) |
| 164 | match = m_ZipFile + wxT("#zip:") + fn; |
| 165 | } |
| 166 | |
| 167 | if (unzGoToNextFile((unzFile)m_Archive) != UNZ_OK) { |
| 168 | unzClose((unzFile)m_Archive); |
| 169 | m_Archive = NULL; |
| 170 | break; |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | return match; |
| 175 | } |
| 176 | |
| 177 | |
| 178 | |
| 179 | #endif // wxUSE_FS_ZIP |