As small as possible reorganization within wxDateTime to please PCH in DLL build...

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

diff --git a/src/common/fs_zip.cpp b/src/common/fs_zip.cpp
index e7765395d5aad56d0250566f91c779ec87656c88..136cbb9d3729c7ef47eac0d1b8087b3c41339689 100644 (file)
--- a/src/common/fs_zip.cpp
+++ b/src/common/fs_zip.cpp
@@ -3,41 +3,75 @@
 // Purpose:     ZIP file system
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik
-// Licence:     wxWindows Licence
+// CVS-ID:      $Id$
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 
-#ifdef __GNUG__
-#pragma implementation
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "fs_zip.h"
 #endif
 
-#include <wx/wxprec.h>
+#include "wx/wxprec.h"
 
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
 #pragma hdrstop
 #endif
 
-#if wxUSE_FS_ZIP
+#if wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM && wxUSE_ZLIB
 
 #ifndef WXPRECOMP
-#include <wx/wx.h>
+    #include "wx/intl.h"
+    #include "wx/log.h"
 #endif
 
 #include "wx/filesys.h"
+#include "wx/wfstream.h"
 #include "wx/zipstrm.h"
 #include "wx/fs_zip.h"
 
 
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
 // wxZipFSHandler
-//--------------------------------------------------------------------------------
+//----------------------------------------------------------------------------
+
+
+
+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)
+        CloseArchive(m_Archive);
+    if (m_DirsFound)
+        delete m_DirsFound;
+}
+
+
+
+void wxZipFSHandler::CloseArchive(wxZipInputStream *archive)
+{
+    wxInputStream *stream = archive->GetFilterInputStream();
+    delete archive;
+    delete stream;
+}
 
 
 
 bool wxZipFSHandler::CanOpen(const wxString& location)
 {
     wxString p = GetProtocol(location);
-    return (p == "zip");
+    return (p == wxT("zip")) &&
+           (GetProtocol(GetLeftLocation(location)) == wxT("file"));
 }
 
 
@@ -49,24 +83,156 @@ 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 (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);
+    }
+
+    if (right.GetChar(0) == wxT('/')) right = right.Mid(1);
+
+    wxFileName leftFilename = wxFileSystem::URLToFileName(left);
+
+    s = new wxZipInputStream(leftFilename.GetFullPath(), right);
+    if (s && s->IsOk() )
+    {
         return new wxFSFile(s,
-                            left + "#zip:" + right,
+                            left + wxT("#zip:") + right,
                             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.Last() == wxT('/')) right.RemoveLast();
+
+    if (m_Archive)
+    {
+        CloseArchive(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;
+    wxString nativename = wxFileSystem::URLToFileName(m_ZipFile).GetFullPath();
+
+    wxFFileInputStream *fs = new wxFFileInputStream(nativename);
+    if (fs->Ok())
+        m_Archive = new wxZipInputStream(*fs);
+    else
+        delete fs;
+
+    m_Pattern = right.AfterLast(wxT('/'));
+    m_BaseDir = right.BeforeLast(wxT('/'));
+
+    if (m_Archive)
+    {
+        if (m_AllowDirs)
+        {
+            delete m_DirsFound;
+            m_DirsFound = new wxLongToLongHashMap();
+        }
+        return DoFind();
+    }
+    return wxEmptyString;
 }
 
-#endif // wxUSE_FS_ZIP
+
+
+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)
+        {
+            CloseArchive(m_Archive);
+            m_Archive = NULL;
+            break;
+        }
+        namestr = entry->GetName(wxPATH_UNIX);
+        delete entry;
+
+        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];
+                wxLongToLongHashMap::iterator it = m_DirsFound->find(key);
+                if (it == m_DirsFound->end())
+                {
+                    (*m_DirsFound)[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;
+    }
+
+    return match;
+}
+
+
+
+#endif
+      //wxUSE_FILESYSTEM && wxUSE_FS_ZIP && wxUSE_ZIPSTREAM