corrections for modifications made to common mimetype code

[wxWidgets.git] / src / unix / mimetype.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        unix/mimetype.cpp
// Purpose:     classes and functions to manage MIME types
// Author:      Vadim Zeitlin
// Modified by:
// Created:     23.09.98
// RCS-ID:      $Id$
// Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence:     wxWindows license (part of wxExtra library)
/////////////////////////////////////////////////////////////////////////////

// known bugs; there may be others!! chris elliott, biol75@york.ac.uk 27 Mar 01

// 1) .mailcap and .mimetypes can be either in a netscape or metamail format
//    and entries may get confused during writing (I've tried to fix this; please let me know
//    any files that fail)
// 2) KDE and Gnome do not yet fully support international read/write
// 3) Gnome key lines like open.latex."LaTeX this file"=latex %f will have odd results
// 4) writing to files comments out the existing data; I hope this avoids losing
//    any data which we could not read, and data which we did not store like test=
// 5) results from reading files with multiple entries (especially matches with type/* )
//    may (or may not) work for getXXX commands
// 6) Loading the png icons in Gnome doesn't work for me...
// 7) In Gnome, if keys.mime exists but keys.users does not, there is
//    an error message in debug mode, but the file is still written OK
// 8) Deleting entries is only allowed from the user file; sytem wide entries
//    will be preserved during unassociate
// 9) KDE does not yet handle multiple actions; Netscape mode n??ever will

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#ifdef __GNUG__
    #pragma implementation "mimetype.h"
#endif

// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
  #pragma hdrstop
#endif

#ifndef WX_PRECOMP
  #include "wx/defs.h"
#endif

#if wxUSE_FILE && wxUSE_TEXTFILE

#ifndef WX_PRECOMP
  #include "wx/string.h"
  #if wxUSE_GUI
    #include "wx/icon.h"

  #endif
#endif //WX_PRECOMP


#include "wx/log.h"
#include "wx/file.h"
#include "wx/intl.h"
#include "wx/dynarray.h"
#include "wx/confbase.h"

#include "wx/ffile.h"
#include "wx/textfile.h"
#include "wx/dir.h"
#include "wx/utils.h"
#include "wx/tokenzr.h"

#include "wx/unix/mimetype.h"

// other standard headers
#include <ctype.h>

// this is a class to extend wxArrayString...
class wxMimeArrayString : public wxArrayString
{
public:
    wxMimeArrayString ()
    {
        wxArrayString ();
    }

    size_t pIndexOf (const wxString & verb)
    {
        size_t i = 0;
        wxString sTmp = verb;
        // avoid a problem with modifying const parameter
        sTmp.MakeLower();
        while ( (i < GetCount()) && (! Item(i).MakeLower().Contains(sTmp)) )
        {
            i++;
        }
        if ( i==GetCount() ) i = (size_t)wxNOT_FOUND;
        return i;
    }

    bool ReplaceOrAddLineCmd (const wxString verb, const wxString & cmd)
    {
        size_t nIndex = pIndexOf (verb);
        if (nIndex == (size_t)wxNOT_FOUND)
            Add(verb + wxT("=") + cmd);
        else
            Item(nIndex) = verb + wxT("=") + cmd;
        return TRUE;
    }

    wxString GetVerb (size_t i)
    {
        if (i < 0) return wxEmptyString;
        if (i > GetCount() ) return wxEmptyString;
        wxString sTmp = Item(i).BeforeFirst(wxT('='));
        return sTmp;
    }

    wxString GetCmd (size_t i)
    {
        if (i < 0) return wxEmptyString;
        if (i > GetCount() ) return wxEmptyString;
        wxString sTmp = Item(i).AfterFirst(wxT('='));
        return sTmp;
    }
};

//this class extends wxTextFile
class wxMimeTextFile : public wxTextFile
{
public:
    // constructors
    wxMimeTextFile () : wxTextFile () {};
    wxMimeTextFile (const wxString& strFile) : wxTextFile (strFile)  {  };

    int pIndexOf(const wxString & sSearch, bool bIncludeComments = FALSE, int iStart = 0)
    {
        size_t i = iStart;
        int nResult = wxNOT_FOUND;
        if (i>=GetLineCount()) return wxNOT_FOUND;

        wxString sTest = sSearch;
        sTest.MakeLower();
        wxString sLine;

        if (bIncludeComments)
        {
            while ( (i < GetLineCount())   )
            {
                sLine = GetLine (i);
                sLine.MakeLower();
                if (sLine.Contains(sTest)) nResult = (int) i;
                i++;
            }
        }
        else
        {
            while ( (i < GetLineCount()) )
            {
                sLine = GetLine (i);
                sLine.MakeLower();
                if ( ! sLine.StartsWith(wxT("#")))
                {
                    if (sLine.Contains(sTest)) nResult = (int) i;
                }
                i++;
            }
        }
        return  nResult;
    }

    bool CommentLine(int nIndex)
    {
        if (nIndex <0) return FALSE;
        if (nIndex >= (int)GetLineCount() ) return FALSE;
        GetLine(nIndex) = GetLine(nIndex).Prepend(wxT("#"));
        return TRUE;
    }

    bool CommentLine(const wxString & sTest)
    {
        int nIndex = pIndexOf(sTest);
        if (nIndex <0) return FALSE;
        if (nIndex >= (int)GetLineCount() ) return FALSE;
        GetLine(nIndex) = GetLine(nIndex).Prepend(wxT("#"));
        return TRUE;
    }

    wxString GetVerb (size_t i)
    {
        if (i < 0) return wxEmptyString;
        if (i > GetLineCount() ) return wxEmptyString;
        wxString sTmp = GetLine(i).BeforeFirst(wxT('='));
        return sTmp;
    }

    wxString GetCmd (size_t i)
    {
        if (i < 0) return wxEmptyString;
        if (i > GetLineCount() ) return wxEmptyString;
        wxString sTmp = GetLine(i).AfterFirst(wxT('='));
        return sTmp;
    }
};

// in case we're compiling in non-GUI mode
class WXDLLEXPORT wxIcon;

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

// MIME code tracing mask
#define TRACE_MIME _T("mime")

// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------

// there are some fields which we don't understand but for which we don't give
// warnings as we know that they're not important - this function is used to
// test for them
static bool IsKnownUnimportantField(const wxString& field);

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------



// This class uses both mailcap and mime.types to gather information about file
// types.
//
// The information about mailcap file was extracted from metamail(1) sources
// and documentation and subsequently revised when I found the RFC 1524
// describing it.
//
// Format of mailcap file: spaces are ignored, each line is either a comment
// (starts with '#') or a line of the form <field1>;<field2>;...;<fieldN>.
// A backslash can be used to quote semicolons and newlines (and, in fact,
// anything else including itself).
//
// The first field is always the MIME type in the form of type/subtype (see RFC
// 822) where subtype may be '*' meaning "any". Following metamail, we accept
// "type" which means the same as "type/*", although I'm not sure whether this
// is standard.
//
// The second field is always the command to run. It is subject to
// parameter/filename expansion described below.
//
// All the following fields are optional and may not be present at all. If
// they're present they may appear in any order, although each of them should
// appear only once. The optional fields are the following:
//  * notes=xxx is an uninterpreted string which is silently ignored
//  * test=xxx is the command to be used to determine whether this mailcap line
//    applies to our data or not. The RHS of this field goes through the
//    parameter/filename expansion (as the 2nd field) and the resulting string
//    is executed. The line applies only if the command succeeds, i.e. returns 0
//    exit code.
//  * print=xxx is the command to be used to print (and not view) the data of
//    this type (parameter/filename expansion is done here too)
//  * edit=xxx is the command to open/edit the data of this type
//  * needsterminal means that a new interactive console must be created for
//    the viewer
//  * copiousoutput means that the viewer doesn't interact with the user but
//    produces (possibly) a lof of lines of output on stdout (i.e. "cat" is a
//    good example), thus it might be a good idea to use some kind of paging
//    mechanism.
//  * textualnewlines means not to perform CR/LF translation (not honored)
//  * compose and composetyped fields are used to determine the program to be
//    called to create a new message pert in the specified format (unused).
//
// Parameter/filename expansion:
//  * %s is replaced with the (full) file name
//  * %t is replaced with MIME type/subtype of the entry
//  * for multipart type only %n is replaced with the nnumber of parts and %F is
//    replaced by an array of (content-type, temporary file name) pairs for all
//    message parts (TODO)
//  * %{parameter} is replaced with the value of parameter taken from
//    Content-type header line of the message.
//
//
// There are 2 possible formats for mime.types file, one entry per line (used
// for global mime.types and called Mosaic format) and "expanded" format where
// an entry takes multiple lines (used for users mime.types and called
// Netscape format).
//
// For both formats spaces are ignored and lines starting with a '#' are
// comments. Each record has one of two following forms:
//  a) for "brief" format:
//      <mime type>  <space separated list of extensions>
//  b) for "expanded" format:
//      type=<mime type> \ 
//      desc="<description>" \ 
//      exts="<comma separated list of extensions>"
//
// We try to autodetect the format of mime.types: if a non-comment line starts
// with "type=" we assume the second format, otherwise the first one.

// there may be more than one entry for one and the same mime type, to
// choose the right one we have to run the command specified in the test
// field on our data.

// ----------------------------------------------------------------------------
// wxGNOME
// ----------------------------------------------------------------------------

// GNOME stores the info we're interested in in several locations:
//  1. xxx.keys files under /usr/share/mime-info
//  2. xxx.keys files under ~/.gnome/mime-info
//
// The format of xxx.keys file is the following:
//
// mimetype/subtype:
//      field=value
//
// with blank lines separating the entries and indented lines starting with
// TABs. We're interested in the field icon-filename whose value is the path
// containing the icon.
//
// Update (Chris Elliott): apparently there may be an optional "[lang]" prefix
// just before the field name.


bool wxMimeTypesManagerImpl::CheckGnomeDirsExist ()
    {
    wxString gnomedir;
    wxGetHomeDir( &gnomedir );
    wxString sTmp = gnomedir;
    sTmp = sTmp + "/.gnome" ;
    if (! wxDir::Exists ( sTmp ) )
        {
        if (!wxMkdir ( sTmp ))
            {
            wxFAIL_MSG (wxString ("Failed to create directory\n.gnome in \nCheckGnomeDirsExist") + sTmp );
            return FALSE;
            }
        }
    sTmp = sTmp + "/mime-info";
    if (! wxDir::Exists ( sTmp ) )
        {
        if (!wxMkdir ( sTmp ))
        {
            wxFAIL_MSG (wxString ("Failed to create directory\nmime-info in \nCheckGnomeDirsExist") + sTmp );
            return FALSE;
        }
    }
    return TRUE;

}



bool wxMimeTypesManagerImpl::WriteGnomeKeyFile(int index, bool delete_index)
                {
    wxString gnomedir;
    wxGetHomeDir( &gnomedir );

    wxMimeTextFile outfile ( gnomedir + "/.gnome/mime-info/user.keys");
    // if this fails probably Gnome is not installed ??
    // create it anyway as a private mime store

    if (! outfile.Open () )
    {
        if (delete_index) return FALSE;
        if (!CheckGnomeDirsExist() ) return FALSE;
        outfile.Create ();
    }

    wxString sTmp, strType = m_aTypes[index];
    int nIndex = outfile.pIndexOf(strType);
    if ( nIndex == wxNOT_FOUND )
        {
        outfile.AddLine ( strType + wxT(':') );
        // see file:/usr/doc/gnome-libs-devel-1.0.40/devel-docs/mime-type-handling.txt
        // as this does not deal with internationalisation
        //        wxT( "\t[en_US]") + verb + wxT ('=') + cmd + wxT(" %f");
        wxMimeArrayString * entries = m_aEntries[index];
        size_t i;
        for (i=0; i < entries->GetCount(); i++)
            {
            sTmp = entries->Item(i);
            sTmp.Replace( wxT("%s"), wxT("%f") );
            sTmp = wxT ( "\t") + sTmp;
            outfile.AddLine ( sTmp );
            }
        //for international use do something like this
        //outfile.AddLine ( wxString( "\t[en_US]icon-filename=") + cmd );
        outfile.AddLine ( wxT( "\ticon-filename=") + m_aIcons[index] );
                }
                else
                {
        if (delete_index) outfile.CommentLine(nIndex);
        wxMimeArrayString sOld;
        size_t nOld = nIndex + 1;
        bool oldEntryEnd = FALSE;
        while ( (nOld < outfile.GetLineCount() )&& (oldEntryEnd == FALSE ))
            {
            sTmp = outfile.GetLine(nOld);
            if ( (sTmp[0u] == wxT('\t')) || (sTmp[0u] == wxT('#')) )
                {
                // we have another line to deal with
                outfile.CommentLine(nOld);
                nOld ++;
                // add the line to our store
                if ((!delete_index) && (sTmp[0u] == wxT('\t'))) sOld.Add(sTmp);
                }
            // next mimetpye ??or blank line
            else oldEntryEnd = TRUE;
            }
        // list of entries in our data; these should all be in sOld,
        // though sOld may also contain other entries , eg flags
        if (!delete_index)
            {
            wxMimeArrayString * entries = m_aEntries[index];
            size_t i;
            for (i=0; i < entries->GetCount(); i++)
                {
                // replace any entries in sold that match verbs we know
                sOld.ReplaceOrAddLineCmd ( entries->GetVerb(i), entries->GetCmd (i) );
            }
            //sOld should also contain the icon
            if ( !m_aIcons[index].IsEmpty() )
                sOld.ReplaceOrAddLineCmd ( wxT( "icon-filename"), m_aIcons[index] );

            for (i=0; i < sOld.GetCount(); i++)
                {
                sTmp = sOld.Item(i);
                sTmp.Replace( wxT("%s"), wxT("%f") );
                sTmp = wxT ( "\t") + sTmp;
                nIndex ++;
                outfile.InsertLine ( sTmp, nIndex );
                }
            }
        }
    bool bTmp = outfile.Write ();
    return bTmp;
        }


bool wxMimeTypesManagerImpl::WriteGnomeMimeFile(int index, bool delete_index)
                {
    wxString gnomedir;
    wxGetHomeDir( &gnomedir );

    wxMimeTextFile outfile ( gnomedir + "/.gnome/mime-info/user.mime");
    // if this fails probably Gnome is not installed ??
    // create it anyway as a private mime store
    if (! outfile.Open () )
    {
        if (delete_index) return FALSE;
        if (!CheckGnomeDirsExist() ) return FALSE;
        outfile.Create ();
    }
    wxString strType = m_aTypes[index];
    int nIndex = outfile.pIndexOf(strType);
    if ( nIndex == wxNOT_FOUND )
            {
        outfile.AddLine ( strType );
        outfile.AddLine ( wxT( "\text:") + m_aExtensions.Item(index) );
            }
    else
        {
        if (delete_index)
            {
            outfile.CommentLine(nIndex);
            outfile.CommentLine(nIndex+1);
        }
        else
            {// check for next line being the right one to replace ??
            wxString sOld = outfile.GetLine(nIndex+1);
            if (sOld.Contains(wxT("\text: ")))
        {
                outfile.GetLine(nIndex+1) = wxT( "\text: ") + m_aExtensions.Item(index);
                }
            else
            {
                outfile.InsertLine(wxT( "\text: ") + m_aExtensions.Item(index), nIndex + 1 );
            }
        }
    }
    bool bTmp = outfile.Write ();
    return bTmp;
}


void wxMimeTypesManagerImpl::LoadGnomeDataFromKeyFile(const wxString& filename)
{
    wxTextFile textfile(filename);
    if ( !textfile.Open() )
        return;
    wxLogTrace(TRACE_MIME, wxT("--- Opened Gnome file %s  ---"),
                 filename.c_str());

    // values for the entry being parsed
    wxString curMimeType, curIconFile;
    wxMimeArrayString * entry = new wxMimeArrayString;

    // these are always empty in this file
    wxArrayString strExtensions;
    wxString strDesc;

    const wxChar *pc;
    size_t nLineCount = textfile.GetLineCount();
    size_t nLine = 0;
    while ( nLine < nLineCount)
        {
        pc = textfile[nLine].c_str();
        if ( *pc != _T('#') )
            {

            wxLogTrace(TRACE_MIME, wxT("--- Reading from Gnome file %s '%s' ---"),
                 filename.c_str(),pc);

            wxString sTmp(pc);
            if (sTmp.Contains(wxT("=")) )
            {
            if (sTmp.Contains( wxT("icon-filename=") ) )
                {
                curIconFile = sTmp.AfterFirst(wxT('='));
                }
            else //: some other field,
    {
                //may contain lines like this (RH7)
                // \t[lang]open.tex."TeX this file"=tex %f
                // \tflags.tex.flags=needsterminal
                // \topen.latex."LaTeX this file"=latex %f
                // \tflags.latex.flags=needsterminal

                // \topen=xdvi %f
                // \tview=xdvi %f
                // \topen.convert.Convert file to Postscript=dvips %f -o `basename %f .dvi`.ps

                // for now ignore lines with flags in...FIX
                sTmp = sTmp.AfterLast(wxT(']'));
                sTmp = sTmp.AfterLast(wxT('\t'));
                sTmp.Trim(FALSE).Trim();
                if (0 == sTmp.Replace ( wxT("%f"), wxT("%s") )) sTmp = sTmp + wxT(" %s");
                entry->Add(sTmp);

                }

            } // emd of has an equals sign
            else
                {
                // not a comment and not an equals sign
                if (sTmp.Contains(wxT('/')))
                    {
                    // this is the start of the new mimetype
                    // overwrite any existing data
                    if (! curMimeType.IsEmpty())
                        {
                        AddToMimeData ( curMimeType, curIconFile, entry, strExtensions, strDesc);

                        // now get ready for next bit
                        entry = new wxMimeArrayString;
                        }
                    curMimeType = sTmp.BeforeFirst(wxT(':'));
                    }
    }
        } // end of not a comment
    // ignore blank lines
    nLine ++;
    } // end of while, save any data
    if (! curMimeType.IsEmpty())
        {
        AddToMimeData ( curMimeType, curIconFile, entry, strExtensions, strDesc);
        }

}



void wxMimeTypesManagerImpl::LoadGnomeMimeTypesFromMimeFile(const wxString& filename)
{
    wxTextFile textfile(filename);
    if ( !textfile.Open() )
        return;
    wxLogTrace(TRACE_MIME, wxT("--- Opened Gnome file %s  ---"),
                 filename.c_str());

    // values for the entry being parsed
    wxString curMimeType, curExtList;

    const wxChar *pc;
    size_t nLineCount = textfile.GetLineCount();
    for ( size_t nLine = 0; ; nLine++ )
    {
        if ( nLine < nLineCount )
        {
            pc = textfile[nLine].c_str();
            if ( *pc == _T('#') )
            {
                // skip comments
                continue;
            }
        }
        else
        {
            // so that we will fall into the "if" below
            pc = NULL;
        }

        if ( !pc || !*pc )
        {
            // end of the entry
            if ( !!curMimeType && !!curExtList )
            {
                 wxLogTrace(TRACE_MIME, wxT("--- At end of Gnome file  finding mimetype %s  ---"),
                 curMimeType.c_str());

                 AddMimeTypeInfo(curMimeType, curExtList, wxEmptyString);
            }

            if ( !pc )
            {
                // the end - this can only happen if nLine == nLineCount
                break;
            }

            curExtList.Empty();

            continue;
        }

        // what do we have here?
        if ( *pc == _T('\t') )
        {
            // this is a field=value ling
            pc++; // skip leading TAB

            static const int lenField = 4; // strlen("ext:")
            if ( wxStrncmp(pc, _T("ext:"), lenField) == 0 )
            {
                // skip ' ' which follows and take everything left until the end
                // of line
                curExtList = pc + lenField + 1;
            }
            //else: some other field, we don't care
        }
        else
        {
            // this is the start of the new section
            wxLogTrace(TRACE_MIME, wxT("--- In Gnome file  finding mimetype %s  ---"),
                 curMimeType.c_str());

            if (! curMimeType.IsEmpty()) AddMimeTypeInfo(curMimeType, curExtList, wxEmptyString);

            curMimeType.Empty();

            while ( *pc != _T(':') && *pc != _T('\0') )
            {
                curMimeType += *pc++;
            }
        }
    }
}


void wxMimeTypesManagerImpl::LoadGnomeMimeFilesFromDir(const wxString& dirbase)
{
    wxASSERT_MSG( !!dirbase && !wxEndsWithPathSeparator(dirbase),
                  _T("base directory shouldn't end with a slash") );

    wxString dirname = dirbase;
    dirname << _T("/mime-info");

    if ( !wxDir::Exists(dirname) )
        return;

    wxDir dir(dirname);
    if ( !dir.IsOpened() )
        return;

    // we will concatenate it with filename to get the full path below
    dirname += _T('/');

    wxString filename;
    bool cont = dir.GetFirst(&filename, _T("*.mime"), wxDIR_FILES);
    while ( cont )
    {
        LoadGnomeMimeTypesFromMimeFile(dirname + filename);

        cont = dir.GetNext(&filename);
    }

    cont = dir.GetFirst(&filename, _T("*.keys"), wxDIR_FILES);
    while ( cont )
    {
        LoadGnomeDataFromKeyFile(dirname + filename);

        cont = dir.GetNext(&filename);
    }
}




void wxMimeTypesManagerImpl::GetGnomeMimeInfo(const wxString& sExtraDir)
{

    wxArrayString dirs;
    dirs.Add(_T("/usr/share"));
    dirs.Add(_T("/usr/local/share"));

    wxString gnomedir;
    wxGetHomeDir( &gnomedir );
    gnomedir += _T("/.gnome");
    dirs.Add( gnomedir );
    if (!sExtraDir.IsEmpty()) dirs.Add( sExtraDir );

    size_t nDirs = dirs.GetCount();
    for ( size_t nDir = 0; nDir < nDirs; nDir++ )
    {
        LoadGnomeMimeFilesFromDir(dirs[nDir]);
    }
}




// end of gnome

// ----------------------------------------------------------------------------
// wxKDE
// ----------------------------------------------------------------------------

// KDE stores the icon info in its .kdelnk files. The file for mimetype/subtype
// may be found in either of the following locations
//
//  1. $KDEDIR/share/mimelnk/mimetype/subtype.kdelnk
//  2. ~/.kde/share/mimelnk/mimetype/subtype.kdelnk
//
// The format of a .kdelnk file is almost the same as the one used by
// wxFileConfig, i.e. there are groups, comments and entries. The icon is the
// value for the entry "Type"

// kde writing; see http://webcvs.kde.org/cgi-bin/cvsweb.cgi/~checkout~/kdelibs/kio/DESKTOP_ENTRY_STANDARD
// for now write to .kdelnk but should eventually do .desktop instead (in preference??)

bool wxMimeTypesManagerImpl::CheckKDEDirsExist ( const wxString & sOK, const wxString & sTest )

    {
    if (sTest.IsEmpty())
        {
            if (wxDir::Exists(sOK)) return TRUE;
            else return FALSE;
        }
    else
        {
            wxString sStart = sOK + wxT("/") + sTest.BeforeFirst(wxT('/'));
            if (!wxDir::Exists(sStart))  wxMkdir(sStart);
            wxString sEnd = sTest.AfterFirst(wxT('/'));
            return CheckKDEDirsExist(sStart, sEnd);
    }
}

bool wxMimeTypesManagerImpl::WriteKDEMimeFile(int index, bool delete_index)
{
    wxMimeTextFile appoutfile, mimeoutfile;
    wxString sHome = wxGetHomeDir();
    wxString sTmp = wxT(".kde/share/mimelnk/");
    wxString sMime = m_aTypes[index] ;
    CheckKDEDirsExist (sHome, sTmp + sMime.BeforeFirst(wxT('/')) );
    sTmp = sHome + wxT('/') + sTmp + sMime + wxT(".kdelnk");

    bool bTemp;
    bool bMimeExists = mimeoutfile.Open (sTmp);
    if (!bMimeExists)
    {
       bTemp = mimeoutfile.Create (sTmp);
       // some unknown error eg out of disk space
       if (!bTemp) return FALSE;
    }

    sTmp = wxT(".kde/share/applnk/");
    CheckKDEDirsExist (sHome, sTmp + sMime.AfterFirst(wxT('/')) );
    sTmp = sHome + wxT('/') + sTmp + sMime.AfterFirst(wxT('/')) + wxT(".kdelnk");

    bool bAppExists;
    bAppExists = appoutfile.Open (sTmp);
    if (!bAppExists)
    {
        bTemp = appoutfile.Create (sTmp);
        // some unknown error eg out of disk space
        if (!bTemp) return FALSE;
    }

    // fixed data; write if new file
    if (!bMimeExists)
    {
        mimeoutfile.AddLine(wxT("#KDE Config File"));
        mimeoutfile.AddLine(wxT("[KDE Desktop Entry]"));
        mimeoutfile.AddLine(wxT("Version=1.0"));
        mimeoutfile.AddLine(wxT("Type=MimeType"));
        mimeoutfile.AddLine(wxT("MimeType=") + sMime);
    }

    if (!bAppExists)
    {
        mimeoutfile.AddLine(wxT("#KDE Config File"));
        mimeoutfile.AddLine(wxT("[KDE Desktop Entry]"));
        appoutfile.AddLine(wxT("Version=1.0"));
        appoutfile.AddLine(wxT("Type=Application"));
        appoutfile.AddLine(wxT("MimeType=") + sMime + wxT(';'));
    }

    // variable data
    // ignore locale
    mimeoutfile.CommentLine(wxT("Comment="));
    if (!delete_index)
        mimeoutfile.AddLine(wxT("Comment=") + m_aDescriptions[index]);
    appoutfile.CommentLine(wxT("Name="));
    if (!delete_index)
        appoutfile.AddLine(wxT("Comment=") + m_aDescriptions[index]);

    sTmp = m_aIcons[index];
    // we can either give the full path, or the shortfilename if its in
    // one of the directories we search
    mimeoutfile.CommentLine(wxT("Icon=") );
    if (!delete_index) mimeoutfile.AddLine(wxT("Icon=") + sTmp );
    appoutfile.CommentLine(wxT("Icon=")  );
    if (!delete_index) appoutfile.AddLine(wxT("Icon=") + sTmp );

    sTmp = wxT(" ") + m_aExtensions[index];

    wxStringTokenizer tokenizer(sTmp, _T(" "));
    sTmp = wxT("Patterns=");
    mimeoutfile.CommentLine(sTmp);
    while ( tokenizer.HasMoreTokens() )
    {
        // holds an extension; need to change it to *.ext;
        wxString e = wxT("*.") + tokenizer.GetNextToken() + wxT(";");
        sTmp = sTmp + e;
}
    if (!delete_index) mimeoutfile.AddLine(sTmp);

    wxMimeArrayString * entries = m_aEntries[index];
    // if we don't find open just have an empty string ... FIX this
    size_t iOpen = entries->pIndexOf(wxT("open"));
    sTmp = entries->GetCmd(iOpen);
    sTmp.Replace( wxT("%s"), wxT("%f") );

    mimeoutfile.CommentLine(wxT("DefaultApp=") );
    if (!delete_index) mimeoutfile.AddLine(wxT("DefaultApp=") + sTmp);

    sTmp.Replace( wxT("%f"), wxT("") );
    appoutfile.CommentLine(wxT("Exec="));
    if (!delete_index) appoutfile.AddLine(wxT("Exec=") + sTmp);

    if (entries->GetCount() > 1)
        {
            //other actions as well as open

        }
    bTemp = FALSE;
    if (mimeoutfile.Write ()) bTemp = TRUE;
    mimeoutfile.Close ();
    if (appoutfile.Write ()) bTemp = TRUE;
    appoutfile.Close ();

    return bTemp;


}

void wxMimeTypesManagerImpl::LoadKDELinksForMimeSubtype(const wxString& dirbase,
                                               const wxString& subdir,
                                               const wxString& filename,
                                               const wxArrayString& icondirs)
{
    wxMimeTextFile file;
    if ( !file.Open(dirbase + filename) ) return;

    wxMimeArrayString * entry = new wxMimeArrayString;
    wxArrayString sExts;
    wxString mimetype, mime_desc, strIcon;

    int nIndex = file.pIndexOf ("MimeType=");
    if (nIndex == wxNOT_FOUND)
        {
    // construct mimetype from the directory name and the basename of the
    // file (it always has .kdelnk extension)
    mimetype << subdir << _T('/') << filename.BeforeLast(_T('.'));
        }
    else mimetype = file.GetCmd (nIndex);

    // first find the description string: it is the value in either "Comment="
    // line or "Comment[<locale_name>]=" one
    nIndex = wxNOT_FOUND;

    wxString comment;
#if wxUSE_INTL
    wxLocale *locale = wxGetLocale();
    if ( locale )
    {
        // try "Comment[locale name]" first
        comment << _T("Comment[") + locale->GetName() + _T("]=");
        nIndex = file.pIndexOf(comment);
    }
#endif // wxUSE_INTL

    if ( nIndex == wxNOT_FOUND )
    {
        comment = _T("Comment=");
        nIndex = file.pIndexOf(comment);
    }

    if ( nIndex != wxNOT_FOUND ) mime_desc = file.GetCmd(nIndex);
    //else: no description

    // next find the extensions
    wxString mime_extension;

    nIndex = file.pIndexOf(_T("Patterns="));
    if ( nIndex != wxNOT_FOUND )
        {
        wxString exts = file.GetCmd (nIndex) ;;

        wxStringTokenizer tokenizer(exts, _T(";"));
        while ( tokenizer.HasMoreTokens() )
        {
            wxString e = tokenizer.GetNextToken();
            if ( e.Left(2) != _T("*.") )
                continue; // don't support too difficult patterns

            if ( !mime_extension.empty() )
            {
                // separate from the previous ext
                mime_extension << _T(' ');
            }

            mime_extension << e.Mid(2);
        }
    }
    sExts.Add(mime_extension);


    // ok, now we can take care of icon:

    nIndex = file.pIndexOf(_T("Icon="));
    if ( nIndex != wxNOT_FOUND )
    {
        strIcon = file.GetCmd(nIndex);
        //it could be the real path, but more often a short name
        if (!wxFileExists(strIcon))
    {
            // icon is just the short name
            if ( !strIcon.IsEmpty() )
    {
        // we must check if the file exists because it may be stored
        // in many locations, at least ~/.kde and $KDEDIR
        size_t nDir, nDirs = icondirs.GetCount();
        for ( nDir = 0; nDir < nDirs; nDir++ )
                    if (wxFileExists(icondirs[nDir] + strIcon))
            {
                        strIcon.Prepend(icondirs[nDir]);
                break;
            }
                }
            }
         }
    // now look for lines which know about the application
    // exec= or DefaultApp=

    nIndex = file.pIndexOf(wxT("DefaultApp"));

    if ( nIndex == wxNOT_FOUND )
        {
        // no entry try exec
        nIndex = file.pIndexOf(wxT("Exec"));
        }

    if ( nIndex != wxNOT_FOUND )
        {
        wxString sTmp = file.GetCmd(nIndex);
        // we expect %f; others including  %F and %U and %u are possible
        if (0 == sTmp.Replace ( wxT("%f"), wxT("%s") )) sTmp = sTmp + wxT(" %s");
        entry->ReplaceOrAddLineCmd (wxString(wxT("open")), sTmp );
    }

    AddToMimeData (mimetype, strIcon, entry, sExts, mime_desc);


}

void wxMimeTypesManagerImpl::LoadKDELinksForMimeType(const wxString& dirbase,
                                            const wxString& subdir,
                                            const wxArrayString& icondirs)
{
    wxString dirname = dirbase;
    dirname += subdir;
    wxDir dir(dirname);
    if ( !dir.IsOpened() )
        return;

    dirname += _T('/');

    wxString filename;
    bool cont = dir.GetFirst(&filename, _T("*.kdelnk"), wxDIR_FILES);
    while ( cont )
    {
        LoadKDELinksForMimeSubtype(dirname, subdir, filename, icondirs);

        cont = dir.GetNext(&filename);
    }
    // new standard for Gnome and KDE
    cont = dir.GetFirst(&filename, _T("*.desktop"), wxDIR_FILES);
    while ( cont )
    {
        LoadKDELinksForMimeSubtype(dirname, subdir, filename, icondirs);

        cont = dir.GetNext(&filename);
    }
}

void wxMimeTypesManagerImpl::LoadKDELinkFilesFromDir(const wxString& dirbase,
                                            const wxArrayString& icondirs)
{
    wxASSERT_MSG( !!dirbase && !wxEndsWithPathSeparator(dirbase),
                  _T("base directory shouldn't end with a slash") );

    wxString dirname = dirbase;
    dirname << _T("/mimelnk");

    if ( !wxDir::Exists(dirname) )
        return;

    wxDir dir(dirname);
    if ( !dir.IsOpened() )
        return;

    // we will concatenate it with dir name to get the full path below
    dirname += _T('/');

    wxString subdir;
    bool cont = dir.GetFirst(&subdir, wxEmptyString, wxDIR_DIRS);
    while ( cont )
    {
        LoadKDELinksForMimeType(dirname, subdir, icondirs);

        cont = dir.GetNext(&subdir);
    }
}

void wxMimeTypesManagerImpl::GetKDEMimeInfo(const wxString& sExtraDir)
{
    wxArrayString dirs;
    wxArrayString icondirs;

    // settings in ~/.kde have maximal priority
    dirs.Add(wxGetHomeDir() + _T("/.kde/share"));
    icondirs.Add(wxGetHomeDir() + _T("/.kde/share/icons/"));

    // the variable KDEDIR is set when KDE is running
    const char *kdedir = getenv("KDEDIR");
    if ( kdedir )
    {
        dirs.Add(wxString(kdedir) + _T("/share"));
        icondirs.Add(wxString(kdedir) + _T("/share/icons/"));
    }
    else
    {
        // try to guess KDEDIR
        dirs.Add(_T("/usr/share"));
        dirs.Add(_T("/opt/kde/share"));
        icondirs.Add(_T("/usr/share/icons/"));
        icondirs.Add(_T("/usr/X11R6/share/icons/")); // Debian/Corel linux
        icondirs.Add(_T("/opt/kde/share/icons/"));
    }

    if (!sExtraDir.IsEmpty()) dirs.Add (sExtraDir);
    icondirs.Add(sExtraDir + wxT("/icons"));

    size_t nDirs = dirs.GetCount();
    for ( size_t nDir = 0; nDir < nDirs; nDir++ )
    {
        LoadKDELinkFilesFromDir(dirs[nDir], icondirs);
    }


}

// end of KDE

// ----------------------------------------------------------------------------
// wxFileTypeImpl (Unix)
// ----------------------------------------------------------------------------


wxString wxFileTypeImpl::GetExpandedCommand(const wxString & verb, const wxFileType::MessageParameters& params) const
{
    wxString sTmp;
    size_t i = 0;
    while ( (i < m_index.GetCount() ) && sTmp.IsEmpty() )
    {
            sTmp = m_manager->GetCommand ( verb, m_index[i] );
            i ++;
    }

    return wxFileType::ExpandCommand(sTmp, params);
}

bool wxFileTypeImpl::GetIcon(wxIcon *icon, wxString *iconFile /*= NULL */,
                 int *iconIndex /*= NULL*/) const

{
    wxString sTmp;
    size_t i = 0;
    while ( (i < m_index.GetCount() ) && sTmp.IsEmpty() )
        {
            sTmp = m_manager->m_aIcons[m_index[i]];
            i ++;
        }
    if ( sTmp.IsEmpty () ) return FALSE;

    wxIcon icn;

    if (sTmp.Right(4).MakeUpper() == _T(".XPM"))
        icn = wxIcon(sTmp);
    else
        icn = wxIcon(sTmp, wxBITMAP_TYPE_ANY);

    if ( icn.Ok() )
      {
      *icon = icn;
      if (iconFile) *iconFile = sTmp;
      if (iconIndex) *iconIndex = 0;
      return TRUE;
      }
        return FALSE;
    }


bool
wxFileTypeImpl::GetMimeTypes(wxArrayString& mimeTypes) const
{
    mimeTypes.Clear();
    for (size_t i = 0; i < m_index.GetCount(); i++)
        mimeTypes.Add(m_manager->m_aTypes[m_index[i]]);
    return TRUE;
}


size_t wxFileTypeImpl::GetAllCommands(wxArrayString *verbs,
                                  wxArrayString *commands,
                                  const wxFileType::MessageParameters& params) const
{

    wxString vrb, cmd, sTmp;
    size_t count = 0;
    wxMimeArrayString * sPairs;

    // verbs and commands have been cleared already in mimecmn.cpp...
    // if we find no entries in the exact match, try the inexact match
    for (size_t n = 0; ((count ==0) && (n < m_index.GetCount())); n++)
    {
        // list of verb = command pairs for this mimetype
        sPairs = m_manager->m_aEntries [m_index[n]];
        size_t i;
        for ( i = 0; i < sPairs->GetCount () ; i++ )
            {
                vrb = sPairs->GetVerb(i);
                // some gnome entries have . inside
                vrb = vrb.AfterLast(wxT('.'));
                cmd = sPairs->GetCmd (i);
                if (! cmd.IsEmpty() )
                     {
                     cmd = wxFileType::ExpandCommand(cmd, params);
                     count ++;
                     if ( vrb.IsSameAs (wxT("open")))
                         {
                         verbs->Insert(vrb,0u);
                         commands ->Insert(cmd,0u);
                         }
                     else
                         {
                         verbs->Add (vrb);
                         commands->Add (cmd);
                         }
                     }

        }

    }
    return count;

}

bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
{
    wxString strExtensions = m_manager->GetExtension(m_index[0]);
    extensions.Empty();

    // one extension in the space or comma delimitid list
    wxString strExt;
    for ( const wxChar *p = strExtensions; ; p++ ) {
        if ( *p == wxT(' ') || *p == wxT(',') || *p == wxT('\0') ) {
            if ( !strExt.IsEmpty() ) {
                extensions.Add(strExt);
                strExt.Empty();
            }
            //else: repeated spaces (shouldn't happen, but it's not that
            //      important if it does happen)

            if ( *p == wxT('\0') )
                break;
        }
        else if ( *p == wxT('.') ) {
            // remove the dot from extension (but only if it's the first char)
            if ( !strExt.IsEmpty() ) {
                strExt += wxT('.');
            }
            //else: no, don't append it
        }
        else {
            strExt += *p;
        }
    }

    return TRUE;
}

// set an arbitrary command,
// could adjust the code to ask confirmation if it already exists and
// overwriteprompt is TRUE, but this is currently ignored as *Associate* has
// no overwrite prompt
bool wxFileTypeImpl::SetCommand(const wxString& cmd, const wxString& verb, bool overwriteprompt /*= TRUE*/)
    {
    wxArrayString strExtensions;
    wxString strDesc, strIcon ;

    wxMimeArrayString *entry = new wxMimeArrayString ();
    entry->Add(verb + wxT("=")  + cmd + wxT(" %s "));

    wxArrayString strTypes;
    GetMimeTypes (strTypes);
    if (strTypes.GetCount() < 1) return FALSE;

    size_t i;
    bool Ok = TRUE;
    for (i = 0; i < strTypes.GetCount(); i++)
        {
        if (!m_manager->DoAssociation (strTypes[i], strIcon, entry, strExtensions, strDesc))
        Ok = FALSE;
        }

    return Ok;
    }

// ignore index on the grouds that we only have one icon in a Unix file
bool wxFileTypeImpl::SetDefaultIcon(const wxString& strIcon /*= wxEmptyString*/, int /*index = 0*/)
    {
    if (strIcon.IsEmpty()) return FALSE;
    wxArrayString strExtensions;
    wxString strDesc;

    wxMimeArrayString *entry = new wxMimeArrayString ();

    wxArrayString strTypes;
    GetMimeTypes (strTypes);
    if (strTypes.GetCount() < 1) return FALSE;

    size_t i;
    bool Ok = TRUE;
    for (i = 0; i < strTypes.GetCount(); i++)
        {
        if (!m_manager->DoAssociation (strTypes[i], strIcon, entry, strExtensions, strDesc))
        Ok = FALSE;
        }

    return Ok;
    }
// ----------------------------------------------------------------------------
// wxMimeTypesManagerImpl (Unix)
// ----------------------------------------------------------------------------


wxMimeTypesManagerImpl::wxMimeTypesManagerImpl()
{
    m_initialized = FALSE;
    m_mailcapStylesInited = 0;
}

// read system and user mailcaps and other files
void wxMimeTypesManagerImpl::Initialize(int mailcapStyles,
                                        const wxString& sExtraDir)
{
    // read mimecap amd mime.types
    if ( (mailcapStyles & wxMAILCAP_NETSCAPE) ||
         (mailcapStyles & wxMAILCAP_STANDARD) )
        GetMimeInfo(sExtraDir);

    // read GNOME tables
    if ( mailcapStyles & wxMAILCAP_GNOME)
        GetGnomeMimeInfo(sExtraDir);

    // read KDE tables
    if ( mailcapStyles & wxMAILCAP_KDE)
        GetKDEMimeInfo(sExtraDir);

    m_mailcapStylesInited |= mailcapStyles;
}

// clear data so you can read another group of WM files
void wxMimeTypesManagerImpl::ClearData()
{
    m_aTypes.Clear ();
    m_aIcons.Clear ();
    m_aExtensions.Clear ();
    m_aDescriptions.Clear ();

    size_t cnt = m_aTypes.GetCount();
    for (size_t i = 0; i < cnt; i++)
    {
        m_aEntries[i]->Clear ();
    }
    m_aEntries.Clear ();
    m_mailcapStylesInited = 0;
}

wxMimeTypesManagerImpl::~wxMimeTypesManagerImpl()
{
    ClearData(); // do we need to delete the ArrayStrings too to avoid a leak

//    delete m_aEntries //fix a leak here ?;
}


void wxMimeTypesManagerImpl::GetMimeInfo (const wxString& sExtraDir)
{
    // read this for netscape or Metamail formats

    // directories where we look for mailcap and mime.types by default
    // used by netscape and pine and other mailers, using 2 different formats!

    // (taken from metamail(1) sources)
    //
    // although RFC 1524 specifies the search path of
    // /etc/:/usr/etc:/usr/local/etc only, it doesn't hurt to search in more
    // places - OTOH, the RFC also says that this path can be changed with
    // MAILCAPS environment variable (containing the colon separated full
    // filenames to try) which is not done yet (TODO?)

    wxString strHome = wxGetenv(wxT("HOME"));

    wxArrayString dirs;
    dirs.Add ( wxT("/etc/") );
    dirs.Add ( wxT("/usr/etc/") );
    dirs.Add ( wxT("/usr/local/etc/") );
    dirs.Add ( wxT("/etc/mail/") );
    dirs.Add ( wxT("/usr/public/lib/") );
    dirs.Add ( strHome + wxT("/.") );
    if (!sExtraDir.IsEmpty()) dirs.Add ( sExtraDir + wxT("/") );

    size_t nDirs = dirs.GetCount();
    for ( size_t nDir = 0; nDir < nDirs; nDir++ )
    {
        wxString file = dirs[nDir] + wxT("mailcap");
        if ( wxFile::Exists(file) ) {
            ReadMailcap(file);
        }

        file = dirs[nDir] + wxT("mime.types");
        if ( wxFile::Exists(file) ) {
            ReadMimeTypes(file);
        }
    }

}

bool wxMimeTypesManagerImpl::WriteToMimeTypes (int index, bool delete_index)
{
    // check we have the right manager
    if (! ( m_mailcapStylesInited & wxMAILCAP_STANDARD) )
        return FALSE;

    bool bTemp;
    wxString strHome = wxGetenv(wxT("HOME"));

    // and now the users mailcap
    wxString strUserMailcap = strHome + wxT("/.mime.types");

    wxMimeTextFile file;
    if ( wxFile::Exists(strUserMailcap) )
    {
        bTemp =  file.Open(strUserMailcap);
    }
    else
    {
        if (delete_index) return FALSE;
        bTemp = file.Create(strUserMailcap);
    }
    if (bTemp)
    {
        int nIndex;
        // test for netscape's header and return FALSE if its found
        nIndex = file.pIndexOf (wxT("#--Netscape"));
        if (nIndex != wxNOT_FOUND)
        {
            wxASSERT_MSG(FALSE,wxT("Error in .mime.types \nTrying to mix Netscape and Metamail formats\nFile not modiifed"));
            return FALSE;
        }
        // write it in alternative format
        // get rid of unwanted entries
        wxString strType = m_aTypes[index];
        nIndex = file.pIndexOf (strType);
        // get rid of all the unwanted entries...
        if (nIndex != wxNOT_FOUND) file.CommentLine (nIndex);

        if (!delete_index)
        {
            // add the new entries in
            wxString sTmp = strType.Append (wxT(' '), 40-strType.Len() );
            sTmp = sTmp + m_aExtensions[index];
            file.AddLine (sTmp);
        }


        bTemp = file.Write ();
        file.Close ();
    }
    return bTemp;
}

bool wxMimeTypesManagerImpl::WriteToNSMimeTypes (int index, bool delete_index)
{
    //check we have the right managers
    if (! ( m_mailcapStylesInited & wxMAILCAP_NETSCAPE) )
        return FALSE;

    bool bTemp;
    wxString strHome = wxGetenv(wxT("HOME"));

    // and now the users mailcap
    wxString strUserMailcap = strHome + wxT("/.mime.types");

    wxMimeTextFile file;
    if ( wxFile::Exists(strUserMailcap) )
    {
        bTemp =  file.Open(strUserMailcap);
    }
    else
    {
        if (delete_index) return FALSE;
        bTemp = file.Create(strUserMailcap);
    }
    if (bTemp)
    {

        // write it in the format that Netscape uses
        int nIndex;
        // test for netscape's header and insert if required...
        // this is a comment so use TRUE
        nIndex = file.pIndexOf (wxT("#--Netscape"), TRUE);
        if (nIndex == wxNOT_FOUND)
        {
            // either empty file or metamail format
            // at present we can't cope with mixed formats, so exit to preseve
            // metamail entreies
            if (file.GetLineCount () > 0)
            {
                wxASSERT_MSG(FALSE, wxT(".mime.types File not in Netscape format\nNo entries written to\n.mime.types or to .mailcap"));
                return FALSE;
            }
            file.InsertLine (wxT( "#--Netscape Communications Corporation MIME Information" ), 0);
            nIndex = 0;
        }

        wxString strType = wxT("type=") + m_aTypes[index];
        nIndex = file.pIndexOf (strType);
        // get rid of all the unwanted entries...
        if (nIndex != wxNOT_FOUND)
        {
            wxString sOld = file[nIndex];
            while ( (sOld.Contains(wxT("\\"))) && (nIndex < (int) file.GetLineCount()) )
            {
                file.CommentLine(nIndex);
                sOld = file[nIndex];
                wxLogTrace(TRACE_MIME, wxT("--- Deleting from mime.types line '%d %s' ---"), nIndex, sOld.c_str());
                nIndex ++;
            }
            if (nIndex < (int) file.GetLineCount()) file.CommentLine (nIndex);
        }
        else nIndex = (int) file.GetLineCount();

        wxString sTmp = strType + wxT(" \\");
        if (!delete_index) file.InsertLine (sTmp, nIndex);
        if ( ! m_aDescriptions.Item(index).IsEmpty() )
        {
            sTmp =     wxT("desc=\"") + m_aDescriptions[index]+ wxT("\" \\") ; //.trim ??
            if (!delete_index)
            {
                nIndex ++;
                file.InsertLine (sTmp, nIndex);
            }
        }
        wxString sExts =  m_aExtensions.Item(index);
        sTmp =     wxT("exts=\"") + sExts.Trim(FALSE).Trim() + wxT("\"");
        if (!delete_index)
        {
            nIndex ++;
            file.InsertLine (sTmp, nIndex);
        }

        bTemp = file.Write ();
        file.Close ();
    }
    return bTemp;
}


bool wxMimeTypesManagerImpl::WriteToMailCap (int index, bool delete_index)
{
    //check we have the right managers
    if ( !( ( m_mailcapStylesInited & wxMAILCAP_NETSCAPE) ||
            ( m_mailcapStylesInited & wxMAILCAP_STANDARD) ) )
        return FALSE;

    bool bTemp;
    wxString strHome = wxGetenv(wxT("HOME"));

    // and now the users mailcap
    wxString strUserMailcap = strHome + wxT("/.mailcap");

    wxMimeTextFile file;
    if ( wxFile::Exists(strUserMailcap) )
    {
        bTemp =  file.Open(strUserMailcap);
    }
    else
    {
        if (delete_index) return FALSE;
        bTemp = file.Create(strUserMailcap);
    }
    if (bTemp)
    {
        // now got a file we can write to ....
        wxMimeArrayString * entries = m_aEntries[index];
        size_t iOpen = entries->pIndexOf(wxT("open"));
        wxString sCmd = entries->GetCmd(iOpen);
        wxString sTmp;

        sTmp = m_aTypes[index];
        wxString sOld;
        int nIndex = file.pIndexOf(sTmp);
        // get rid of all the unwanted entries...
        if (nIndex == wxNOT_FOUND)
        {
            nIndex = (int) file.GetLineCount();
        }
        else
        {
            sOld = file[nIndex];
            wxLogTrace(TRACE_MIME, wxT("--- Deleting from mailcap line '%d' ---"), nIndex);

            while ( (sOld.Contains(wxT("\\"))) && (nIndex < (int) file.GetLineCount()) )
            {
                file.CommentLine(nIndex);
                if (nIndex < (int) file.GetLineCount()) sOld = sOld + file[nIndex];
            }
            if (nIndex < (int) file.GetLineCount()) file.CommentLine (nIndex);
        }

        sTmp = sTmp + wxT(";") + sCmd ; //includes wxT(" %s ");

        // write it in the format that Netscape uses (default)
        if (! ( m_mailcapStylesInited & wxMAILCAP_STANDARD  ) )
        {
            if (! delete_index) file.InsertLine (sTmp, nIndex);
            nIndex ++;
        }

        // write extended format
        else
        {
            // todo FIX this code;
            // ii) lost entries
            // sOld holds all the entries, but our data store only has some
            // eg test= is not stored

            // so far we have written the mimetype and command out
            wxStringTokenizer sT (sOld, wxT(";\\"));
            if (sT.CountTokens () > 2)
            {
                // first one mimetype; second one command, rest unknown...
                wxString s;
                s = sT.GetNextToken();
                s = sT.GetNextToken();

                // first unknown
                s = sT.GetNextToken();
                while ( ! s.IsEmpty() )
                {
                    bool bKnownToken = FALSE;
                    if (s.Contains(wxT("description="))) bKnownToken = TRUE;
                    if (s.Contains(wxT("x11-bitmap="))) bKnownToken = TRUE;
                    size_t i;
                    for (i=0; i < entries->GetCount(); i++)
                    {
                        if (s.Contains(entries->GetVerb(i))) bKnownToken = TRUE;
                    }
                    if (!bKnownToken)
                    {
                        sTmp = sTmp + wxT("; \\");
                        file.InsertLine (sTmp, nIndex);
                        sTmp = s;
                    }
                    s = sT.GetNextToken ();
                }

            }

            if (! m_aDescriptions[index].IsEmpty() )
            {
                sTmp = sTmp + wxT("; \\");
                file.InsertLine (sTmp, nIndex);
                nIndex ++;
                sTmp = wxT("       description=\"") + m_aDescriptions[index] + wxT("\"");
            }

            if (! m_aIcons[index].IsEmpty() )
            {
                sTmp = sTmp + wxT("; \\");
                file.InsertLine (sTmp, nIndex);
                nIndex ++;
                sTmp = wxT("       x11-bitmap=\"") + m_aIcons[index] + wxT("\"");
            }
            if ( entries->GetCount() > 1 )

            {
                size_t i;
                for (i=0; i < entries->GetCount(); i++)
                    if ( i != iOpen )
                    {
                        sTmp = sTmp + wxT("; \\");
                        file.InsertLine (sTmp, nIndex);
                        nIndex ++;
                        sTmp = wxT("       ") + entries->Item(i);
                    }
            }

            file.InsertLine (sTmp, nIndex);
            nIndex ++;

        }
        bTemp = file.Write ();
        file.Close ();
    }
    return bTemp;
}

wxFileType *
wxMimeTypesManagerImpl::Associate(const wxFileTypeInfo& ftInfo)
{
    InitIfNeeded();

    wxString strType = ftInfo.GetMimeType ();
    wxString strDesc = ftInfo.GetDescription ();
    wxString strIcon = ftInfo.GetIconFile ();

    wxMimeArrayString *entry = new wxMimeArrayString ();

    if ( ! ftInfo.GetOpenCommand().IsEmpty())
        entry->Add(wxT("open=")  + ftInfo.GetOpenCommand  () + wxT(" %s "));
    if ( ! ftInfo.GetPrintCommand  ().IsEmpty())
        entry->Add(wxT("print=") + ftInfo.GetPrintCommand () + wxT(" %s "));

    // now find where these extensions are in the data store and remove them
    wxArrayString sA_Exts = ftInfo.GetExtensions ();
    wxString sExt, sExtStore;
    size_t i, nIndex;
    for (i=0; i < sA_Exts.GetCount(); i++)
        {
        sExt = sA_Exts.Item(i);
        //clean up to just a space before and after
        sExt.Trim().Trim(FALSE);
        sExt = wxT(' ') + sExt + wxT(' ');
        for (nIndex = 0; nIndex < m_aExtensions.GetCount(); nIndex ++)
            {
            sExtStore = m_aExtensions.Item(nIndex);
            if (sExtStore.Replace(sExt, wxT(" ") ) > 0) m_aExtensions.Item(nIndex) = sExtStore ;
    }

    }

    if ( !DoAssociation (strType, strIcon, entry, sA_Exts, strDesc) )
        return NULL;

    return GetFileTypeFromMimeType(strType);
}


bool wxMimeTypesManagerImpl::DoAssociation(const wxString& strType,
                                           const wxString& strIcon,
                                           wxMimeArrayString *entry,
                                           const wxArrayString& strExtensions,
                                           const wxString& strDesc)
{
    int nIndex = AddToMimeData(strType, strIcon, entry, strExtensions, strDesc, TRUE);

    if ( nIndex == wxNOT_FOUND )
        return FALSE;

    return WriteMimeInfo (nIndex, FALSE);
}

bool wxMimeTypesManagerImpl::WriteMimeInfo(int nIndex, bool delete_mime )
{
    bool ok = TRUE;

    if ( m_mailcapStylesInited & wxMAILCAP_STANDARD )
    {
        // write in metamail  format;
        if (WriteToMimeTypes (nIndex, delete_mime) )
            if ( WriteToMailCap   (nIndex, delete_mime) )
                ok = FALSE;
    }
    if ( m_mailcapStylesInited & wxMAILCAP_NETSCAPE )
    {
        // write in netsacpe format;
        if (WriteToNSMimeTypes (nIndex, delete_mime) )
            if ( WriteToMailCap   (nIndex, delete_mime) )
                ok = FALSE;
    }
    if (m_mailcapStylesInited & wxMAILCAP_GNOME)
    {
        // write in Gnome format;
        if (WriteGnomeMimeFile (nIndex, delete_mime) )
            if (WriteGnomeKeyFile   (nIndex, delete_mime) )
                ok = FALSE;
    }
    if (m_mailcapStylesInited & wxMAILCAP_KDE)
    {
        // write in KDE format;
        if (WriteKDEMimeFile (nIndex, delete_mime) )
            ok = FALSE;
    }

    return ok;
}

int wxMimeTypesManagerImpl::AddToMimeData(const wxString& strType,
                                          const wxString& strIcon,
                                          wxMimeArrayString *entry,
                                          const wxArrayString& strExtensions,
                                          const wxString& strDesc,
                                          bool ReplaceExisting)
{
    InitIfNeeded();

    wxLogTrace(TRACE_MIME, wxT("In Add to Mime data '%s' with %d entries and %d exts ---"),
            strType.c_str(), entry->GetCount(), strExtensions.GetCount() );

    // ensure mimetype is always lower case
    wxString mimeType = strType;
    mimeType.MakeLower();
    int nIndex = m_aTypes.Index(mimeType);
    if ( nIndex == wxNOT_FOUND )
    {
        // new file type
        m_aTypes.Add(mimeType);
        m_aIcons.Add(strIcon);
        m_aEntries.Add(entry);
        size_t i;
        // change nIndex so we can add to the correct line
        nIndex = m_aExtensions.Add(wxT(' '));
        for (i = 0; i < strExtensions.GetCount(); i ++)
        {
            if (! m_aExtensions.Item(nIndex).Contains(wxT(' ') + strExtensions.Item(i) + wxT(' ')))
                m_aExtensions.Item(nIndex) +=  strExtensions.Item(i) + wxT(' ');
        }
        m_aDescriptions.Add(strDesc);

    }
    else
    {
        // nIndex has the existing data
        // always add the extensions to this mimetype
        size_t i;
        for (i = 0; i < strExtensions.GetCount(); i ++)
        {
            if (! m_aExtensions.Item(nIndex).Contains(wxT(' ') + strExtensions.Item(i) + wxT(' ')))
                m_aExtensions.Item(nIndex) +=  strExtensions.Item(i) + wxT(' ');
        }
        if (ReplaceExisting)
        {
            // if new description change it
            if ( ! strDesc.IsEmpty())
                m_aDescriptions[nIndex] = strDesc;

            // if new icon change it
            if ( ! strIcon.IsEmpty())
                m_aIcons[nIndex] = strIcon;

            wxMimeArrayString *entryOld  =  m_aEntries[nIndex];
            // replace any matching entries...
            for (i=0; i < entry->GetCount(); i++)
                entryOld->ReplaceOrAddLineCmd (entry->GetVerb(i),
                        entry->GetCmd (i) );
        }
        else
        {
            // add data we don't already have ...
            // if new description add only if none
            if ( ! strDesc.IsEmpty() && m_aDescriptions.Item(i).IsEmpty() )
                m_aDescriptions[nIndex] = strDesc;

            // if new icon and no existing icon
            if ( ! strIcon.IsEmpty() && m_aIcons.Item(i). IsEmpty () )
                m_aIcons[nIndex] = strIcon;

            wxMimeArrayString *entryOld  =  m_aEntries[nIndex];
            // add any new entries...
            for (i=0; i < entry->GetCount(); i++)
            {
                wxString sVerb = entry->GetVerb(i);
                if ( entryOld->pIndexOf ( sVerb ) == (size_t) wxNOT_FOUND )
                    entryOld->Add (entry->Item(i));
            }
        }
    }

    // check data integrity
    wxASSERT( m_aTypes.Count() == m_aEntries.Count() &&
            m_aTypes.Count() == m_aExtensions.Count() &&
            m_aTypes.Count() == m_aIcons.Count() &&
            m_aTypes.Count() == m_aDescriptions.Count() );

    return nIndex;
}


wxFileType *
wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext)
{
    if (ext.IsEmpty() )
        return NULL;

    InitIfNeeded();

    wxFileType *fileType = NULL;
    size_t count = m_aExtensions.GetCount();
    for ( size_t n = 0; n < count; n++ )
        {
        wxString extensions = m_aExtensions[n];
        while ( !extensions.IsEmpty() ) {
            wxString field = extensions.BeforeFirst(wxT(' '));
            extensions = extensions.AfterFirst(wxT(' '));

            // consider extensions as not being case-sensitive
            if ( field.IsSameAs(ext, FALSE /* no case */) )
                {
                // found
                if (fileType == NULL) fileType = new wxFileType;
                fileType->m_impl->Init(this, n);
                     // adds this mime type to _list_ of mime types with this extension
            }
        }
    }

    return fileType;
}

wxFileType *
wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
{
    InitIfNeeded();

    wxFileType * fileType = NULL;
    // mime types are not case-sensitive
    wxString mimetype(mimeType);
    mimetype.MakeLower();

    // first look for an exact match
    int index = m_aTypes.Index(mimetype);
    if ( index != wxNOT_FOUND )
    {
        fileType = new wxFileType;
        fileType->m_impl->Init(this, index);
    }

    // then try to find "text/*" as match for "text/plain" (for example)
    // NB: if mimeType doesn't contain '/' at all, BeforeFirst() will return
    //     the whole string - ok.

    index = wxNOT_FOUND;
    wxString strCategory = mimetype.BeforeFirst(wxT('/'));

    size_t nCount = m_aTypes.Count();
    for ( size_t n = 0; n < nCount; n++ ) {
        if ( (m_aTypes[n].BeforeFirst(wxT('/')) == strCategory ) &&
                m_aTypes[n].AfterFirst(wxT('/')) == wxT("*") ) {
            index = n;
            break;
        }

    }

    if ( index != wxNOT_FOUND )
    {
        fileType = new wxFileType;
        fileType->m_impl->Init(this, index);
    }
    return fileType;
}


wxString wxMimeTypesManagerImpl::GetCommand(const wxString & verb, size_t nIndex) const
{
    wxString command, testcmd, sV, sTmp;
    sV = verb + wxT("=");
    // list of verb = command pairs for this mimetype
    wxMimeArrayString * sPairs = m_aEntries [nIndex];

    size_t i;
    for ( i = 0; i < sPairs->GetCount () ; i++ )
    {
        sTmp = sPairs->Item (i);
        if ( sTmp.Contains(sV) ) command = sTmp.AfterFirst(wxT('='));
    }
    return command;
}

void wxMimeTypesManagerImpl::AddFallback(const wxFileTypeInfo& filetype)
{
    InitIfNeeded();

    wxString extensions;
    const wxArrayString& exts = filetype.GetExtensions();
    size_t nExts = exts.GetCount();
    for ( size_t nExt = 0; nExt < nExts; nExt++ ) {
        if ( nExt > 0 ) {
            extensions += wxT(' ');
        }
        extensions += exts[nExt];
    }

    AddMimeTypeInfo(filetype.GetMimeType(),
                    extensions,
                    filetype.GetDescription());

    AddMailcapInfo(filetype.GetMimeType(),
                   filetype.GetOpenCommand(),
                   filetype.GetPrintCommand(),
                   wxT(""),
                   filetype.GetDescription());
}

void wxMimeTypesManagerImpl::AddMimeTypeInfo(const wxString& strMimeType,
                                             const wxString& strExtensions,
                                             const wxString& strDesc)
{
    // reading mailcap may find image/* , while
    // reading mime.types finds image/gif and no match is made
    // this means all the get functions don't work  fix this
    wxString strIcon;
    wxString sTmp = strExtensions;
    wxMimeArrayString * entry = new wxMimeArrayString () ;

    wxArrayString sExts;
    sTmp.Trim().Trim(FALSE);

    while (!sTmp.IsEmpty())
    {
        sExts.Add (sTmp.AfterLast(wxT(' ')));
        sTmp = sTmp.BeforeLast(wxT(' '));
    }

    AddToMimeData (strMimeType, strIcon, entry, sExts, strDesc, (bool)TRUE);
}

void wxMimeTypesManagerImpl::AddMailcapInfo(const wxString& strType,
                                            const wxString& strOpenCmd,
                                            const wxString& strPrintCmd,
                                            const wxString& strTest,
                                            const wxString& strDesc)
{
    InitIfNeeded();

    wxMimeArrayString *entry = new wxMimeArrayString;
    entry->Add(wxT("open=")  + strOpenCmd);
    entry->Add(wxT("print=") + strPrintCmd);
    entry->Add(wxT("test=")  + strTest);

    wxString strIcon;
    wxArrayString strExtensions;

    AddToMimeData (strType, strIcon, entry, strExtensions, strDesc, TRUE);

}

bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
{
    wxLogTrace(TRACE_MIME, wxT("--- Parsing mime.types file '%s' ---"),
               strFileName.c_str());

    wxTextFile file(strFileName);
    if ( !file.Open() )
        return FALSE;

    // the information we extract
    wxString strMimeType, strDesc, strExtensions;

    size_t nLineCount = file.GetLineCount();
    const wxChar *pc = NULL;
    for ( size_t nLine = 0; nLine < nLineCount; nLine++ ) {
        if ( pc == NULL ) {
            // now we're at the start of the line
            pc = file[nLine].c_str();
        }
        else {
            // we didn't finish with the previous line yet
            nLine--;
        }

        // skip whitespace
        while ( wxIsspace(*pc) )
            pc++;

        // comment or blank line?
        if ( *pc == wxT('#') || !*pc ) {
            // skip the whole line
            pc = NULL;
            continue;
        }

        // detect file format
        const wxChar *pEqualSign = wxStrchr(pc, wxT('='));
        if ( pEqualSign == NULL ) {
            // brief format
            // ------------

            // first field is mime type
            for ( strMimeType.Empty(); !wxIsspace(*pc) && *pc != wxT('\0'); pc++ ) {
                strMimeType += *pc;
            }

            // skip whitespace
            while ( wxIsspace(*pc) )
                pc++;

            // take all the rest of the string
            strExtensions = pc;

            // no description...
            strDesc.Empty();
        }
        else {
            // expanded format
            // ---------------

            // the string on the left of '=' is the field name
            wxString strLHS(pc, pEqualSign - pc);

            // eat whitespace
            for ( pc = pEqualSign + 1; wxIsspace(*pc); pc++ )
               ;

            const wxChar *pEnd;
            if ( *pc == wxT('"') ) {
                // the string is quoted and ends at the matching quote
                pEnd = wxStrchr(++pc, wxT('"'));
                if ( pEnd == NULL ) {
                    wxLogWarning(_("Mime.types file %s, line %d: unterminated "
                                   "quoted string."),
                                 strFileName.c_str(), nLine + 1);
                }
            }
            else {
                // unquoted string ends at the first space or at the end of
                // line
                for ( pEnd = pc; *pEnd && !wxIsspace(*pEnd); pEnd++ )
                   ;
            }

            // now we have the RHS (field value)
            wxString strRHS(pc, pEnd - pc);

            // check what follows this entry
            if ( *pEnd == wxT('"') ) {
                // skip this quote
                pEnd++;
            }

            for ( pc = pEnd; wxIsspace(*pc); pc++ )
               ;

            // if there is something left, it may be either a '\\' to continue
            // the line or the next field of the same entry
            bool entryEnded = *pc == wxT('\0'),
                 nextFieldOnSameLine = FALSE;
            if ( !entryEnded ) {
                nextFieldOnSameLine = ((*pc != wxT('\\')) || (pc[1] != wxT('\0')));
            }

            // now see what we got
            if ( strLHS == wxT("type") ) {
                strMimeType = strRHS;
            }
            else if ( strLHS == wxT("desc") ) {
                strDesc = strRHS;
            }
            else if ( strLHS == wxT("exts") ) {
                strExtensions = strRHS;
            }
            else {
                wxLogWarning(_("Unknown field in file %s, line %d: '%s'."),
                             strFileName.c_str(), nLine + 1, strLHS.c_str());
            }

            if ( !entryEnded ) {
                if ( !nextFieldOnSameLine )
                    pc = NULL;
                //else: don't reset it

                // as we don't reset strMimeType, the next field in this entry
                // will be interpreted correctly.

                continue;
            }
        }

        // depending on the format (Mosaic or Netscape) either space or comma
        // is used to separate the extensions
        strExtensions.Replace(wxT(","), wxT(" "));

        // also deal with the leading dot
        if ( !strExtensions.IsEmpty() && strExtensions[0u] == wxT('.') )
        {
            strExtensions.erase(0, 1);
        }

    wxLogTrace(TRACE_MIME, wxT("--- Found Mimetype '%s' ---"),
               strMimeType.c_str());

        AddMimeTypeInfo(strMimeType, strExtensions, strDesc);

        // finished with this line
        pc = NULL;
    }

    return TRUE;
}

bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
                                         bool fallback)
{
//    wxLog::AddTraceMask (TRACE_MIME);
    wxLogTrace(TRACE_MIME, wxT("--- Parsing mailcap file '%s' ---"),
               strFileName.c_str());

    wxTextFile file(strFileName);
    if ( !file.Open() )
        return FALSE;

    // see the comments near the end of function for the reason we need these
    // variables (search for the next occurence of them)
        // indices of MIME types (in m_aTypes) we already found in this file
    wxArrayInt aEntryIndices;
        // aLastIndices[n] is the index of last element in
        // m_aEntries[aEntryIndices[n]] from this file
  //  wxArrayInt aLastIndices;

    size_t nLineCount = file.GetLineCount();
    for ( size_t nLine = 0; nLine < nLineCount; nLine++ ) {
        // now we're at the start of the line
        const wxChar *pc = file[nLine].c_str();

        // skip whitespace
        while ( wxIsspace(*pc) )
            pc++;

        // comment or empty string?
        if ( *pc == wxT('#') || *pc == wxT('\0') )
            continue;

        // no, do parse

        // what field are we currently in? The first 2 are fixed and there may
        // be an arbitrary number of other fields -- currently, we are not
        // interested in any of them, but we should parse them as well...
        enum
        {
            Field_Type,
            Field_OpenCmd,
            Field_Other
        } currentToken = Field_Type;

        // the flags and field values on the current line
        bool needsterminal = FALSE,
             copiousoutput = FALSE;
        wxMimeArrayString *entry;

        wxString strType,
                 strOpenCmd,
                 strIcon,
                 strTest,
                 strDesc,
                 curField; // accumulator
        bool cont = TRUE;
        bool test_passed = TRUE;
        while ( cont ) {
            switch ( *pc ) {
                case wxT('\\'):
                    // interpret the next character literally (notice that
                    // backslash can be used for line continuation)
                    if ( *++pc == wxT('\0') ) {
                        // fetch the next line if there is one
                        if ( nLine == nLineCount - 1 ) {
                            // something is wrong, bail out
                            cont = FALSE;

                            wxLogDebug(wxT("Mailcap file %s, line %d: "
                                           "'\\' on the end of the last line "
                                           "ignored."),
                                       strFileName.c_str(),
                                       nLine + 1);
                        }
                        else {
                            // pass to the beginning of the next line
                            pc = file[++nLine].c_str();

                            // skip pc++ at the end of the loop
                            continue;
                        }
                    }
                    else {
                        // just a normal character
                        curField += *pc;
                    }
                    break;

                case wxT('\0'):
                    cont = FALSE;   // end of line reached, exit the loop

                    // fall through

                case wxT(';'):
                    // store this field and start looking for the next one

                    // trim whitespaces from both sides
                    curField.Trim(TRUE).Trim(FALSE);

                    switch ( currentToken ) {
                        case Field_Type:
                            strType = curField;
                            if ( strType.empty() ) {
                                // I don't think that this is a valid mailcap
                                // entry, but try to interpret it somehow
                                strType = _T('*');
                            }

                            if ( strType.Find(wxT('/')) == wxNOT_FOUND ) {
                                // we interpret "type" as "type/*"
                                strType += wxT("/*");
                            }

                            currentToken = Field_OpenCmd;
                            break;

                        case Field_OpenCmd:
                            strOpenCmd = curField;
                            entry = new wxMimeArrayString ();
                            entry->Add(wxT("open=")  + strOpenCmd);

                            currentToken = Field_Other;
                            break;

                        case Field_Other:
                            if ( !curField.empty() ) {
                                // "good" mailcap entry?
                                bool ok = TRUE;

                                if ( IsKnownUnimportantField(curField) ) ok = FALSE;

                                // is this something of the form foo=bar?
                                const wxChar *pEq = wxStrchr(curField, wxT('='));
                                if (ok)
                                {
                                if ( pEq != NULL )
                                    {
                                    wxString lhs = curField.BeforeFirst(wxT('=')),
                                             rhs = curField.AfterFirst(wxT('='));

                                    lhs.Trim(TRUE);     // from right
                                    rhs.Trim(FALSE);    // from left

                                        // it might be quoted
                                    if ( rhs[0u] == wxT('"') && rhs.Last() == wxT('"') )
                                        {
                                        wxString sTmp = wxString(rhs.c_str() + 1, rhs.Len() - 2);
                                        rhs = sTmp;
                                        }
                                    bool verbfound = TRUE;
                                    if ( lhs.Contains (wxT("test")))
                                        {
                                        if ( ! rhs.IsEmpty() )
                                            {
                                            if ( wxSystem(rhs) == 0 ) {
                                                // ok, test passed
                                                test_passed = TRUE;
                                                wxLogTrace(TRACE_MIME,
                                                           wxT("Test '%s' for mime type '%s' succeeded."),
                                                           rhs.c_str(), strType.c_str());

                                        }
                                        else {
                                                test_passed = FALSE;
                                                wxLogTrace(TRACE_MIME,
                                                           wxT("Test '%s' for mime type '%s' failed."),
                                                           rhs.c_str(), strType.c_str());
                                            }
                                        }
                                        verbfound = FALSE;
                                        }
                                    if ( lhs.Contains (wxT("desc")))
                                        {
                                            strDesc = rhs;
                                        verbfound = FALSE;
                                        }
                                    if ( lhs.Contains (wxT("x11-bitmap")))
                                        {
                                        strIcon = rhs;
                                        verbfound = FALSE;
                                    }
                                    if ( lhs.Contains (wxT("notes")))
                                        {
                                        // ignore
                                        verbfound = FALSE;
                                }
                                    if (verbfound) entry->Add ( lhs + wxT('=') + rhs );
                                    ok = TRUE;
                                    }
                                  else
                                    {
                                    // no, it's a simple flag
                                        if ( curField == wxT("needsterminal") ) {
                                        needsterminal = TRUE;
                                            ok = TRUE;
                                            }
                                        if ( curField == wxT("copiousoutput")) {
                                        // copiousoutput impies that the
                                        // viewer is a console program
                                        needsterminal =
                                            copiousoutput =
                                            ok = TRUE;

                                if ( !ok )
                                {
                                        // don't flood the user with error
                                        // messages if we don't understand
                                        // something in his mailcap, but give
                                        // them in debug mode because this might
                                        // be useful for the programmer
                                        wxLogDebug
                                        (
                                          wxT("Mailcap file %s, line %d: "
                                              "unknown field '%s' for the "
                                              "MIME type '%s' ignored."),
                                              strFileName.c_str(),
                                              nLine + 1,
                                              curField.c_str(),
                                              strType.c_str()
                                        );

                                            }

                                        }

                                    }

                                }

                            }


                            // it already has this value
                            //currentToken = Field_Other;
                            break;

                        default:
                            wxFAIL_MSG(wxT("unknown field type in mailcap"));
                    }

                    // next token starts immediately after ';'
                    curField.Empty();
                    break;

                default:
                    curField += *pc;
            }

            // continue in the same line
            pc++;
        }

        // check that we really read something reasonable
        if ( currentToken == Field_Type || currentToken == Field_OpenCmd ) {
            wxLogWarning(_("Mailcap file %s, line %d: incomplete entry "
                           "ignored."),
                         strFileName.c_str(), nLine + 1);
        }
        else {
            // support for flags:
            //  1. create an xterm for 'needsterminal'
            //  2. append "| $PAGER" for 'copiousoutput'
            //
            // Note that the RFC says that having both needsterminal and
            // copiousoutput is probably a mistake, so it seems that running
            // programs with copiousoutput inside an xterm as it is done now
            // is a bad idea (FIXME)
            if ( copiousoutput )
               {
                const wxChar *p = wxGetenv(_T("PAGER"));
                strOpenCmd << _T(" | ") << (p ? p : _T("more"));
                wxLogTrace(TRACE_MIME, wxT("Replacing .(for pager)...") + entry->Item(0u) + wxT("with") + strOpenCmd );

                entry->ReplaceOrAddLineCmd (wxString(wxT("open")), strOpenCmd );
            }

            if ( needsterminal )
            {
                strOpenCmd.Printf(_T("xterm -e sh -c '%s'"), strOpenCmd.c_str());
                wxLogTrace(TRACE_MIME, wxT("Replacing .(for needs term)...") + entry->Item(0u) + wxT("with") + strOpenCmd );

                entry->ReplaceOrAddLineCmd (wxString(wxT("open")), strOpenCmd );
            }

            // NB: because of complications below (we must get entries priority
            //     right), we can't use AddMailcapInfo() here, unfortunately.
            if ( test_passed )
                {
            strType.MakeLower();
                bool overwrite = TRUE;
                int entryIndex ;
                if (fallback)
                    overwrite = FALSE;
                    else
                    {
                    int nIndex = m_aTypes.Index(strType);
                    entryIndex = aEntryIndices.Index(nIndex);
                    if ( entryIndex == wxNOT_FOUND )
                       {
      //check this fix
                        // first time in this file, so replace the icons, entries
                        // and description (no extensions to replace so ignore these
                        overwrite = TRUE;
                        aEntryIndices.Add(nIndex);
                        //aLastIndices.Add(0);
                    }
                    else {
                        // not the first time in _this_ file
                        // so we don't want to overwrite
                        // existing entries,but want to add to them
                        // so we don't alter the mimetype
                        // the indices were shifted by 1
                        overwrite = FALSE;
                }


                }
                wxArrayString strExtensions;
                AddToMimeData (strType, strIcon, entry, strExtensions, strDesc, !overwrite );
                test_passed = TRUE;
            }
        }

    }

    return TRUE;
}

size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxArrayString& mimetypes)
{
    InitIfNeeded();

    mimetypes.Empty();

    wxString type;
    size_t count = m_aTypes.GetCount();
    for ( size_t n = 0; n < count; n++ )
    {
        // don't return template types from here (i.e. anything containg '*')
        type = m_aTypes[n];
        if ( type.Find(_T('*')) == wxNOT_FOUND )
        {
            mimetypes.Add(type);
        }
    }

    return mimetypes.GetCount();
}

// ----------------------------------------------------------------------------
// writing to MIME type files
// ----------------------------------------------------------------------------

bool wxMimeTypesManagerImpl::Unassociate(wxFileType *ft)
{
    wxArrayString sMimeTypes;
    ft->GetMimeTypes (sMimeTypes);

    wxString sMime;
    size_t i;
    for (i = 0; i < sMimeTypes.GetCount(); i ++)
    {
        sMime = sMimeTypes.Item(i);
        int nIndex = m_aTypes.Index (sMime);
        if ( nIndex == wxNOT_FOUND)
        {
            // error if we get here ??
            return FALSE;
        }
        else
        {
            WriteMimeInfo(nIndex, TRUE );
            m_aTypes.Remove (nIndex);
            m_aEntries.Remove (nIndex);
            m_aExtensions.Remove (nIndex);
            m_aDescriptions.Remove (nIndex);
            m_aIcons.Remove (nIndex);
        }
    }
    // check data integrity
    wxASSERT( m_aTypes.Count() == m_aEntries.Count() &&
            m_aTypes.Count() == m_aExtensions.Count() &&
            m_aTypes.Count() == m_aIcons.Count() &&
            m_aTypes.Count() == m_aDescriptions.Count() );

    return TRUE;
}

// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------

static bool IsKnownUnimportantField(const wxString& fieldAll)
{
    static const wxChar *knownFields[] =
    {
        _T("x-mozilla-flags"),
        _T("nametemplate"),
        _T("textualnewlines"),
    };

    wxString field = fieldAll.BeforeFirst(_T('='));
    for ( size_t n = 0; n < WXSIZEOF(knownFields); n++ )
    {
        if ( field.CmpNoCase(knownFields[n]) == 0 )
            return TRUE;
    }

    return FALSE;
}

#endif
  // wxUSE_FILE && wxUSE_TEXTFILE