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[wxWidgets.git] / src / common / fs_zip.cpp

diff --git a/src/common/fs_zip.cpp b/src/common/fs_zip.cpp
index a77a338dff0cebedc16652cfd4bb79ae37c43056..eefa93f96af4aa7723c2c3a963b003946f0e54f4 100644 (file)
--- a/src/common/fs_zip.cpp
+++ b/src/common/fs_zip.cpp
@@ -3,70 +3,243 @@
 // Purpose:     ZIP file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik
 // Purpose:     ZIP file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik

-// Licence:     wxWindows Licence
+// CVS-ID:      $Id$
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

+#include "wx/wxprec.h"

 
 

-#ifdef __GNUG__
-#pragma implementation
-#endif
-
-#include <wx/wxprec.h>
-
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__

 #pragma hdrstop
 #endif
 
 #pragma hdrstop
 #endif
 

-#if wxUSE_FS_ZIP
+#if wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM && wxUSE_ZLIB

 
 #ifndef WXPRECOMP
 
 #ifndef WXPRECOMP

-#include <wx/wx.h>
+    #include "wx/intl.h"
+    #include "wx/log.h"

 #endif
 
 #include "wx/filesys.h"
 #endif
 
 #include "wx/filesys.h"

-#include "wx/zipstream.h"
+#include "wx/wfstream.h"
+#include "wx/zipstrm.h"

 #include "wx/fs_zip.h"
 
 
 #include "wx/fs_zip.h"
 
 

-//--------------------------------------------------------------------------------
+//---------------------------------------------------------------------------
+// wxZipFSInputStream
+//---------------------------------------------------------------------------
+// Helper class for wxZipFSHandler
+
+class wxZipFSInputStream : public wxZipInputStream
+{
+    public:
+       wxZipFSInputStream(wxFSFile *file)
+               : wxZipInputStream(*file->GetStream())
+       {
+            m_file = file;
+#if 1 //WXWIN_COMPATIBILITY_2_6
+            m_allowSeeking = true;
+#endif
+       }
+
+       virtual ~wxZipFSInputStream() { delete m_file; }
+
+    private:
+       wxFSFile *m_file;
+};
+
+//----------------------------------------------------------------------------

 // wxZipFSHandler
 // wxZipFSHandler

-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------

 
 

+wxZipFSHandler::wxZipFSHandler() : wxFileSystemHandler()
+{
+    m_Archive = NULL;
+    m_ZipFile = m_Pattern = m_BaseDir = wxEmptyString;
+    m_AllowDirs = m_AllowFiles = true;
+    m_DirsFound = NULL;
+}

 
 
 
 

-bool wxZipFSHandler::CanOpen(const wxString& location)
+
+wxZipFSHandler::~wxZipFSHandler()

 {
 {

-    wxString p = GetProtocol(location);
-    return (p == "zip");
+    Cleanup();
+}
+
+
+void wxZipFSHandler::Cleanup()
+{
+    wxDELETE(m_Archive);
+    wxDELETE(m_DirsFound);

 }
 }

+ 

 
 
 
 

+bool wxZipFSHandler::CanOpen(const wxString& location)
+{
+    wxString p = GetProtocol(location);
+    return (p == wxT("zip"));
+}

 
 
 wxFSFile* wxZipFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
 {
     wxString right = GetRightLocation(location);
     wxString left = GetLeftLocation(location);
 
 
 wxFSFile* wxZipFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
 {
     wxString right = GetRightLocation(location);
     wxString left = GetLeftLocation(location);

-    wxInputStream *s;
-
-    if (GetProtocol(left) != "file") {
-        return NULL;
+    wxZipInputStream *s;
+
+    if (right.Contains(wxT("./")))
+    {
+        if (right.GetChar(0) != wxT('/')) right = wxT('/') + right;
+        wxFileName rightPart(right, wxPATH_UNIX);
+        rightPart.Normalize(wxPATH_NORM_DOTS, wxT("/"), wxPATH_UNIX);
+        right = rightPart.GetFullPath(wxPATH_UNIX);

     }
 
     }
 

-    s = new wxZipInputStream(left, right);
-    if (s && (s -> LastError() == wxStream_NOERROR)) {
-        return new wxFSFile(s,
-                            left + "#zip:" + right,
+    if (right.GetChar(0) == wxT('/')) right = right.Mid(1);
+
+    // a new wxFileSystem object is needed here to avoid infinite recursion
+    wxFSFile *leftFile = wxFileSystem().OpenFile(left);
+    if (!leftFile)
+       return NULL;
+
+    s = new wxZipFSInputStream(leftFile);
+    if (s && s->IsOk())
+    {
+       bool found = false;
+       while (!found)
+       {
+           wxZipEntry *ent = s->GetNextEntry();
+           if (!ent)
+               break;
+           if (ent->GetInternalName() == right)
+               found = true;
+           delete ent;
+       }
+       if (found)
+           return new wxFSFile(s,
+                            left + wxT("#zip:") + right,

                             GetMimeTypeFromExt(location),
                             GetMimeTypeFromExt(location),

-                            GetAnchor(location));
+                            GetAnchor(location)
+#if wxUSE_DATETIME
+                            , wxDateTime(wxFileModificationTime(left))
+#endif // wxUSE_DATETIME
+                            );

     }
     }

-    else return NULL;
+
+    delete s;
+    return NULL;

 }
 
 
 
 }
 
 
 

-wxZipFSHandler::~wxZipFSHandler()
+wxString wxZipFSHandler::FindFirst(const wxString& spec, int flags)
+{
+    wxString right = GetRightLocation(spec);
+    wxString left = GetLeftLocation(spec);
+
+    if (!right.empty() && right.Last() == wxT('/')) right.RemoveLast();
+
+    if (m_Archive)
+    {
+        delete m_Archive;
+        m_Archive = NULL;
+    }
+
+    switch (flags)
+    {
+        case wxFILE:
+            m_AllowDirs = false, m_AllowFiles = true; break;
+        case wxDIR:
+            m_AllowDirs = true, m_AllowFiles = false; break;
+        default:
+            m_AllowDirs = m_AllowFiles = true; break;
+    }
+
+    m_ZipFile = left;
+
+    wxFSFile *leftFile = wxFileSystem().OpenFile(left);
+    if (leftFile)
+        m_Archive = new wxZipFSInputStream(leftFile);
+
+    m_Pattern = right.AfterLast(wxT('/'));
+    m_BaseDir = right.BeforeLast(wxT('/'));
+    if (m_BaseDir.StartsWith(wxT("/")))
+        m_BaseDir = m_BaseDir.Mid(1);
+
+    if (m_Archive)
+    {
+        if (m_AllowDirs)
+        {
+            delete m_DirsFound;
+            m_DirsFound = new wxZipFilenameHashMap();
+            if (right.empty())  // allow "/" to match the archive root
+                return spec;
+        }
+        return DoFind();
+    }
+    return wxEmptyString;
+}
+
+
+
+wxString wxZipFSHandler::FindNext()
+{
+    if (!m_Archive) return wxEmptyString;
+    return DoFind();
+}
+
+
+
+wxString wxZipFSHandler::DoFind()

 {
 {

+    wxString namestr, dir, filename;
+    wxString match = wxEmptyString;
+
+    while (match == wxEmptyString)
+    {
+        wxZipEntry *entry = m_Archive->GetNextEntry();
+        if (!entry)
+        {
+            delete m_Archive;
+            m_Archive = NULL;
+            break;
+        }
+        namestr = entry->GetName(wxPATH_UNIX);
+        delete entry;
+
+        if (m_AllowDirs)
+        {
+            dir = namestr.BeforeLast(wxT('/'));
+            while (!dir.empty())
+            {
+                if( m_DirsFound->find(dir) == m_DirsFound->end() )
+                {
+                    (*m_DirsFound)[dir] = 1;
+                    filename = dir.AfterLast(wxT('/'));
+                    dir = dir.BeforeLast(wxT('/'));
+                    if (!filename.empty() && m_BaseDir == dir &&
+                                wxMatchWild(m_Pattern, filename, false))
+                        match = m_ZipFile + wxT("#zip:") + dir + wxT("/") + filename;
+                }
+                else
+                    break; // already tranversed
+            }
+        }
+
+        filename = namestr.AfterLast(wxT('/'));
+        dir = namestr.BeforeLast(wxT('/'));
+        if (m_AllowFiles && !filename.empty() && m_BaseDir == dir &&
+                            wxMatchWild(m_Pattern, filename, false))
+            match = m_ZipFile + wxT("#zip:") + namestr;
+    }
+
+    return match;

 }
 
 }
 

-#endif // wxUSE_FS_ZIP
+
+
+#endif
+      //wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM