/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: idlcproduce.cxx,v $
 *
 *  $Revision: 1.12 $
 *
 *  last change: $Author: hr $ $Date: 2006-06-20 03:49:18 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#ifndef _IDLC_IDLC_HXX_
#include <idlc/idlc.hxx>
#endif
#ifndef _IDLC_ASTMODULE_HXX_
#include <idlc/astmodule.hxx>
#endif
#ifndef _RTL_STRBUF_HXX_
#include <rtl/strbuf.hxx>
#endif
#ifndef _OSL_FILE_HXX_
#include <osl/file.hxx>
#endif
#ifndef _OSL_THREAD_H_
#include <osl/thread.h>
#endif

#if defined(SAL_W32) || defined(SAL_OS2)
#include <io.h>
#include <direct.h>
#include <errno.h>
#endif

#ifdef SAL_UNX
#include <unistd.h>
#include <sys/stat.h>
#include <errno.h>
#endif

using namespace ::rtl;
using namespace ::osl;

StringList* pCreatedDirectories = NULL;

static sal_Bool checkOutputPath(const OString& completeName)
{
    OString sysPathName = convertToAbsoluteSystemPath(completeName);
    OStringBuffer buffer(sysPathName.getLength());

    if ( sysPathName.indexOf( SEPARATOR ) == -1 )
        return sal_True;

    sal_Int32 nIndex = 0;
    OString token(sysPathName.getToken(0, SEPARATOR, nIndex));
    const sal_Char* p = token.getStr();
    if (strcmp(p, "..") == 0
        || *(p+1) == ':'
        || strcmp(p, ".") == 0)
    {
        buffer.append(token);
        buffer.append(SEPARATOR);
    }
    else
        nIndex = 0;

    do
    {
        buffer.append(sysPathName.getToken(0, SEPARATOR, nIndex));

        if ( buffer.getLength() > 0 && nIndex != -1 )
        {
#ifdef SAL_UNX
            if (mkdir((char*)buffer.getStr(), 0777) == -1)
#else
            if (mkdir((char*)buffer.getStr()) == -1)
#endif
            {
                if (errno == ENOENT)
                {
                    fprintf(stderr, "%s: cannot create directory '%s'\n",
                            idlc()->getOptions()->getProgramName().getStr(), buffer.getStr());
                    return sal_False;
                }
            } else
            {
                if ( !pCreatedDirectories )
                    pCreatedDirectories = new StringList();
                pCreatedDirectories->push_front(buffer.getStr());
            }
        }
        buffer.append(SEPARATOR);
    } while( nIndex != -1 );
    return sal_True;
}

static sal_Bool cleanPath()
{
    if ( pCreatedDirectories )
    {
        StringList::iterator iter = pCreatedDirectories->begin();
        StringList::iterator end = pCreatedDirectories->end();
        while ( iter != end )
        {
//#ifdef SAL_UNX
//          if (rmdir((char*)(*iter).getStr(), 0777) == -1)
//#else
            if (rmdir((char*)(*iter).getStr()) == -1)
//#endif
            {
                fprintf(stderr, "%s: cannot remove directory '%s'\n",
                        idlc()->getOptions()->getProgramName().getStr(), (*iter).getStr());
                return sal_False;
            }
            ++iter;
        }
        delete pCreatedDirectories;
    }
    return sal_True;
}

void removeIfExists(const OString& pathname)
{
    unlink(pathname.getStr());
}

sal_Int32 SAL_CALL produceFile(const OString& regFileName)
{
    Options* pOptions = idlc()->getOptions();

    OString regTmpName = regFileName.replaceAt(regFileName.getLength() -3, 3, "_idlc_");

    if ( !checkOutputPath(regFileName) )
    {
        fprintf(stderr, "%s: could not create path of registry file '%s'.\n",
                pOptions->getProgramName().getStr(), regFileName.getStr());
        return 1;
    }

    RegistryLoader regLoader;

    if ( !regLoader.isLoaded() )
    {
        fprintf(stderr, "%s: could not load registry dll.\n",
                pOptions->getProgramName().getStr());
        removeIfExists(regFileName);
        cleanPath();
        return 1;
    }

    Registry regFile(regLoader);

    removeIfExists(regTmpName);
    OString urlRegTmpName = convertToFileUrl(regTmpName);
    if ( regFile.create(OStringToOUString(urlRegTmpName, RTL_TEXTENCODING_UTF8)) )
    {
        fprintf(stderr, "%s: could not create registry file '%s'\n",
                pOptions->getProgramName().getStr(), regTmpName.getStr());
        removeIfExists(regTmpName);
        removeIfExists(regFileName);
        cleanPath();
        return 1;
    }

    RegistryKey rootKey;
    if ( regFile.openRootKey(rootKey) )
    {
        fprintf(stderr, "%s: could not open root of registry file '%s'\n",
                pOptions->getProgramName().getStr(), regFileName.getStr());
        removeIfExists(regTmpName);
        removeIfExists(regFileName);
        cleanPath();
        return 1;
    }

    // produce registry file
    if ( !idlc()->getRoot()->dump(rootKey) )
    {
        rootKey.closeKey();
        regFile.close();
        regFile.destroy(OStringToOUString(regFileName, RTL_TEXTENCODING_UTF8));
        removeIfExists(regFileName);
        cleanPath();
        return 1;
    }

    if ( rootKey.closeKey() )
    {
        fprintf(stderr, "%s: could not close root of registry file '%s'\n",
                pOptions->getProgramName().getStr(), regFileName.getStr());
        removeIfExists(regTmpName);
        removeIfExists(regFileName);
        cleanPath();
        return 1;
    }
    if ( regFile.close() )
    {
        fprintf(stderr, "%s: could not close registry file '%s'\n",
                pOptions->getProgramName().getStr(), regFileName.getStr());
        removeIfExists(regTmpName);
        removeIfExists(regFileName);
        cleanPath();
        return 1;
    }

    removeIfExists(regFileName);

    if ( File::move(OStringToOUString(regTmpName, osl_getThreadTextEncoding()),
                    OStringToOUString(regFileName, osl_getThreadTextEncoding())) != FileBase::E_None ) {
        fprintf(stderr, "%s: cannot rename temporary registry '%s' to '%s'\n",
                idlc()->getOptions()->getProgramName().getStr(),
                regTmpName.getStr(), regFileName.getStr());
        removeIfExists(regTmpName);
        cleanPath();
        return 1;
    }
    removeIfExists(regTmpName);

    return 0;
}
