office-gobmx/package/inc/ZipFile.hxx
2000-11-13 12:38:03 +00:00

230 lines
8.9 KiB
C++

/*************************************************************************
*
* $RCSfile: ZipFile.hxx,v $
*
* $Revision: 1.1 $
*
* last change: $Author: mtg $ $Date: 2000-11-13 13:37:57 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 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
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _ZIP_FILE_HXX
#define _ZIP_FILE_HXX
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _CPPUHELPER_IMPLBASE1_HXX_
#include <cppuhelper/implbase1.hxx> // helper for implementations
#endif
#ifndef _COM_SUN_STAR_PACKAGE_XZIPFILE_HPP_
#include <com/sun/star/package/XZipFile.hpp>
#endif
#ifndef _ENTRY_INPUT_STREAM_HXX
#include "EntryInputStream.hxx"
#endif
#ifndef _ZIP_ENUMERATION_HXX
#include "ZipEnumeration.hxx"
#endif
#ifndef _ZIP_ENTRY_IMPL_HXX
#include "ZipEntryImpl.hxx"
#endif
#ifndef _BYTE_GRABBER_HXX_
#include "ByteGrabber.hxx"
#endif
/*
* We impose arbitrary but reasonable limit on ZIP files.
*/
#define ZIP_MAXNAMELEN 512
#define ZIP_MAXEXTRA 256
#define ZIP_MAXENTRIES (0x10000 - 2)
class ZipFile : public cppu::WeakImplHelper1<
com::sun::star::package::XZipFile>
{
private:
::rtl::OUString sName; /* zip file name */
::rtl::OUString sComment; /* zip file comment */
sal_uInt16 nTotal; /* total number of entries */
com::sun::star::package::ZipEntry *pEntries; /* array of zip entries */
ZipEntryImpl **pTable; /* Hash chain heads: indexes into entries */
sal_Int32 nTableLen; /* number of hash eads */
ByteGrabber aGrabber;
com::sun::star::uno::Reference < com::sun::star::io::XInputStream > xStream;
public:
//ZipFile( void );
ZipFile( com::sun::star::uno::Reference < com::sun::star::io::XInputStream > &xInput);
virtual ~ZipFile();
// XElementAccess
virtual ::com::sun::star::uno::Type SAL_CALL getElementType( )
throw(::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL hasElements( )
throw(::com::sun::star::uno::RuntimeException);
// XZipFile
virtual ::com::sun::star::uno::Reference< ::com::sun::star::io::XInputStream > SAL_CALL getInputStream( const ::com::sun::star::package::ZipEntry& rEntry )
throw(::com::sun::star::io::IOException, ::com::sun::star::package::ZipException, ::com::sun::star::uno::RuntimeException);
virtual ::rtl::OUString SAL_CALL getName( )
throw(::com::sun::star::uno::RuntimeException);
virtual sal_Int32 SAL_CALL getSize( )
throw(::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL close( )
throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException);
// XNameAccess
virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName )
throw(::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames( )
throw(::com::sun::star::uno::RuntimeException);
virtual sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName )
throw(::com::sun::star::uno::RuntimeException);
// XEnumerationAccess (except called with entries instead of
// createEnumeration
virtual ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration > SAL_CALL entries( )
throw(::com::sun::star::uno::RuntimeException);
private:
sal_Bool readLOC(const com::sun::star::package::ZipEntry &rEntry);
ZipEntryImpl* getNthEntry(sal_Int32 nIndex);
sal_Int32 readCEN();
sal_Int32 findEND();
};
#if 0
/**
* Function to create a new component instance; is needed by factory helper implementation.
* @param xMgr service manager to if the components needs other component instances
*/
com::sun::star::uno::Reference< com::sun::star::uno::XInterface > ZipFile_create
( const com::sun::star::uno::Reference< com::sun::star::lang::XMultiServiceFactory > & xMgr )
{
return com::sun::star::uno::Reference< com::sun::star::uno::XInterface >( *new ZipFile( xMgr ) );
}
/**
* This function returns the name of the used environment.
* @param ppEnvTypeName name of the environment
* @param ppEnv could be point to a special environment, this parameter is normally set to null
*/
extern "C" void SAL_CALL component_getImplementationEnvironment(
const sal_Char ** ppEnvTypeName, uno_Environment ** ppEnv )
{
*ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
}
/**
* This function creates an implementation section in the registry and another subkey
* for each supported service.
* @param pServiceManager generic uno interface providing a service manager
* @param pRegistryKey generic uno interface providing registry key to write
*/
extern "C" sal_Bool SAL_CALL component_writeInfo( void* pServiceManager, void* pRegistryKey )
{
if (pRegistryKey)
{
try
{
com::sun::star::uno::Reference< com::sun::star::registry::XRegistryKey > xNewKey(
reinterpret_cast< com::sun::star::registry::XRegistryKey * >( pRegistryKey )->createKey(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("/package.ZipFile/UNO/SERVICES") ) ) );
xNewKey->createKey( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("package.XZipFile") ) );
return sal_True;
}
catch ( com::sun::star::registry::InvalidRegistryException& )
{
DBG_ERROR( "InvalidRegistryException detected\n");
return sal_False;
}
}
return sal_False;
}
/**
* This function is called to get service factories for an implementation.
* @param pImplName name of implementation
* @param pServiceManager generic uno interface providing a service manager to instantiate components
* @param pRegistryKey registry data key to read and write component persistent data
* @return a component factory (generic uno interface)
*/
extern "C" void * SAL_CALL component_getFactory(
const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
{
void * pRet = 0;
// which implementation is demanded?
if (pServiceManager && rtl_str_compare( pImplName, "package.ZipFile" ))
{
rtl::OUString aServiceName( RTL_CONSTASCII_USTRINGPARAM("package.XZipFile") );
com::sun::star::uno::Reference< com::sun::star::lang::XSingleServiceFactory > xFactory(
cppu::createSingleFactory( // helper function from cppuhelper lib
reinterpret_cast< com::sun::star::lang::XMultiServiceFactory * >( pServiceManager ),
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("package.ZipFile") ),
ZipFile_create,
com::sun::star::uno::Sequence< rtl::OUString >( &aServiceName, 1 ) ) );
if (xFactory.is())
{
xFactory->acquire();
pRet = xFactory.get();
}
}
return pRet;
}
#endif
#endif