minor fix that was part of helpbest.patch

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

diff --git a/src/common/fs_zip.cpp b/src/common/fs_zip.cpp
index e7765395d5aad56d0250566f91c779ec87656c88..cbef9152dd914d895b70b2fd101abfdd9632b745 100644 (file)
--- a/src/common/fs_zip.cpp
+++ b/src/common/fs_zip.cpp
@@ -3,30 +3,41 @@
 // Purpose:     ZIP file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik
+// CVS-ID:      $Id$
 // Licence:     wxWindows Licence
 /////////////////////////////////////////////////////////////////////////////
 
 
+
 #ifdef __GNUG__
-#pragma implementation
+#pragma implementation "fs_zip.h"
 #endif
 
-#include <wx/wxprec.h>
+#include "wx/wxprec.h"
 
 #ifdef __BORDLANDC__
 #pragma hdrstop
 #endif
 
-#if wxUSE_FS_ZIP
+#if wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM
 
 #ifndef WXPRECOMP
-#include <wx/wx.h>
+    #include "wx/intl.h"
+    #include "wx/log.h"
 #endif
 
+#include "wx/hash.h"
 #include "wx/filesys.h"
 #include "wx/zipstrm.h"
 #include "wx/fs_zip.h"
 
+/* Not the right solution (paths in makefiles) but... */
+#ifdef __BORLANDC__
+#include "../common/unzip.h"
+#else
+#include "unzip.h"
+#endif
+
 
 //--------------------------------------------------------------------------------
 // wxZipFSHandler
@@ -34,10 +45,31 @@
 
 
 
+wxZipFSHandler::wxZipFSHandler() : wxFileSystemHandler()
+{
+    m_Archive = NULL;
+    m_ZipFile = m_Pattern = m_BaseDir = wxEmptyString;
+    m_AllowDirs = m_AllowFiles = TRUE;
+    m_DirsFound = NULL;
+}
+
+
+
+wxZipFSHandler::~wxZipFSHandler()
+{
+    if (m_Archive)         
+        unzClose((unzFile)m_Archive);
+    if (m_DirsFound)
+        delete m_DirsFound;
+}
+
+
+
 bool wxZipFSHandler::CanOpen(const wxString& location)
 {
     wxString p = GetProtocol(location);
-    return (p == "zip");
+    return (p == wxT("zip")) && 
+           (GetProtocol(GetLeftLocation(location)) == wxT("file"));
 }
 
 
@@ -49,24 +81,144 @@ wxFSFile* wxZipFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& l
     wxString left = GetLeftLocation(location);
     wxInputStream *s;
 
-    if (GetProtocol(left) != "file") {
+    if (GetProtocol(left) != wxT("file")) 
+    {
+        wxLogError(_("ZIP handler currently supports only local files!"));
         return NULL;
     }
 
     s = new wxZipInputStream(left, right);
-    if (s && (s -> LastError() == wxStream_NOERROR)) {
+    if (s && (s->LastError() == wxStream_NOERROR)) 
+    {
         return new wxFSFile(s,
-                            left + "#zip:" + right,
+                            left + wxT("#zip:") + right,
                             GetMimeTypeFromExt(location),
-                            GetAnchor(location));
+                            GetAnchor(location),
+                            wxDateTime(wxFileModificationTime(left)));
     }
-    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.Last() == wxT('/')) right.RemoveLast();
+
+    if (m_Archive) 
+    {
+        unzClose((unzFile)m_Archive);
+        m_Archive = NULL;
+    }
+
+    if (GetProtocol(left) != wxT("file"))
+    {
+        wxLogError(_("ZIP handler currently supports only local files!"));
+        return wxEmptyString;
+    }
+
+    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;
+    m_Archive = (void*) unzOpen(m_ZipFile.mb_str());
+    m_Pattern = right.AfterLast(wxT('/'));
+    m_BaseDir = right.BeforeLast(wxT('/'));
+
+    if (m_Archive) 
+    {
+        if (unzGoToFirstFile((unzFile)m_Archive) != UNZ_OK) 
+        {
+            unzClose((unzFile)m_Archive);
+            m_Archive = NULL;        
+        }
+        else 
+        {
+            if (m_AllowDirs)
+            {
+                delete m_DirsFound;
+                m_DirsFound = new wxHashTableLong();
+            }
+            return DoFind();
+        }
+    }
+    return wxEmptyString;
+}
+
+
+
+wxString wxZipFSHandler::FindNext()
 {
+    if (!m_Archive) return wxEmptyString;
+    return DoFind();
 }
 
-#endif // wxUSE_FS_ZIP
+
+
+wxString wxZipFSHandler::DoFind()
+{
+    static char namebuf[1024]; // char, not wxChar!
+    char *c;
+    wxString namestr, dir, filename;
+    wxString match = wxEmptyString;
+
+    while (match == wxEmptyString)
+    {
+        unzGetCurrentFileInfo((unzFile)m_Archive, NULL, namebuf, 1024, NULL, 0, NULL, 0);
+        for (c = namebuf; *c; c++) if (*c == wxT('\\')) *c = wxT('/');
+        namestr = namebuf;
+
+        if (m_AllowDirs)
+        {
+            dir = namestr.BeforeLast(wxT('/'));       
+            while (!dir.IsEmpty())
+            {
+                long key = 0;
+                for (size_t i = 0; i < dir.Length(); i++) key += (wxUChar)dir[i];
+                if (m_DirsFound->Get(key) == wxNOT_FOUND)
+                {
+                    m_DirsFound->Put(key, 1);
+                    filename = dir.AfterLast(wxT('/'));
+                    dir = dir.BeforeLast(wxT('/'));
+                    if (!filename.IsEmpty() && 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.IsEmpty() && m_BaseDir == dir &&
+                            wxMatchWild(m_Pattern, filename, FALSE))
+            match = m_ZipFile + wxT("#zip:") + namestr;
+        
+        if (unzGoToNextFile((unzFile)m_Archive) != UNZ_OK) 
+        {
+            unzClose((unzFile)m_Archive);
+            m_Archive = NULL;
+            break;
+        }
+    }
+    
+    return match;
+}
+
+
+
+#endif 
+      //wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM