1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _ZIP_OUTPUT_STREAM_HXX 24 #define _ZIP_OUTPUT_STREAM_HXX 25 26 #include <com/sun/star/uno/Reference.hxx> 27 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 28 #include <com/sun/star/io/XOutputStream.hpp> 29 #include <com/sun/star/xml/crypto/XCipherContext.hpp> 30 #include <com/sun/star/xml/crypto/XDigestContext.hpp> 31 32 #include <ByteChucker.hxx> 33 #include <Deflater.hxx> 34 #include <CRC32.hxx> 35 36 #include <vector> 37 38 struct ZipEntry; 39 class ZipPackageStream; 40 41 class ZipOutputStream 42 { 43 protected: 44 ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > m_xFactory; 45 ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > xStream; 46 47 ::std::vector < ZipEntry * > aZipList; 48 49 ::com::sun::star::uno::Sequence< sal_Int8 > m_aDeflateBuffer; 50 51 ::rtl::OUString sComment; 52 Deflater aDeflater; 53 54 ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > m_xCipherContext; 55 ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XDigestContext > m_xDigestContext; 56 57 CRC32 aCRC; 58 ByteChucker aChucker; 59 ZipEntry *pCurrentEntry; 60 sal_Int16 nMethod, nLevel, mnDigested; 61 sal_Bool bFinished, bEncryptCurrentEntry; 62 ZipPackageStream* m_pCurrentStream; 63 64 public: 65 ZipOutputStream( 66 const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& xFactory, 67 const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream > &xOStream ); 68 ~ZipOutputStream(); 69 70 // rawWrite to support a direct write to the output stream 71 void SAL_CALL rawWrite( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ) 72 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 73 void SAL_CALL rawCloseEntry( ) 74 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 75 76 // XZipOutputStream interfaces 77 void SAL_CALL setMethod( sal_Int32 nNewMethod ) 78 throw(::com::sun::star::uno::RuntimeException); 79 void SAL_CALL setLevel( sal_Int32 nNewLevel ) 80 throw(::com::sun::star::uno::RuntimeException); 81 void SAL_CALL putNextEntry( ZipEntry& rEntry, 82 ZipPackageStream* pStream, 83 sal_Bool bEncrypt = sal_False ) 84 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 85 void SAL_CALL closeEntry( ) 86 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 87 void SAL_CALL write( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ) 88 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 89 void SAL_CALL finish( ) 90 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 91 static sal_uInt32 getCurrentDosTime ( ); 92 protected: 93 void doDeflate(); 94 void writeEND(sal_uInt32 nOffset, sal_uInt32 nLength) 95 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 96 void writeCEN( const ZipEntry &rEntry ) 97 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 98 void writeEXT( const ZipEntry &rEntry ) 99 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 100 sal_Int32 writeLOC( const ZipEntry &rEntry ) 101 throw(::com::sun::star::io::IOException, ::com::sun::star::uno::RuntimeException); 102 }; 103 104 #endif 105