/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "Clob.hxx" #include "Blob.hxx" #include "Connection.hxx" #include "Util.hxx" #include #include using namespace ::connectivity::firebird; using namespace ::osl; using namespace ::com::sun::star; using namespace ::com::sun::star::io; using namespace ::com::sun::star::sdbc; using namespace ::com::sun::star::uno; Clob::Clob(isc_db_handle* pDatabaseHandle, isc_tr_handle* pTransactionHandle, ISC_QUAD const & aBlobID): Clob_BASE(m_aMutex), m_aBlob(new connectivity::firebird::Blob(pDatabaseHandle, pTransactionHandle, aBlobID)), m_nCharCount(-1) { } void SAL_CALL Clob::disposing() { m_aBlob->dispose(); m_aBlob.clear(); Clob_BASE::disposing(); } sal_Int64 SAL_CALL Clob::length() { MutexGuard aGuard(m_aMutex); checkDisposed(Clob_BASE::rBHelper.bDisposed); if( m_nCharCount >= 0 ) return m_nCharCount; m_nCharCount = 0; // Read each segment, and calculate it's size by interpreting it as a // character stream. Assume that no characters are split by the segments. bool bLastSegmRead = false; do { uno::Sequence < sal_Int8 > aSegmentBytes; bLastSegmRead = m_aBlob->readOneSegment( aSegmentBytes ); OUString sSegment ( reinterpret_cast< sal_Char *>( aSegmentBytes.getArray() ), aSegmentBytes.getLength(), RTL_TEXTENCODING_UTF8 ); if( !bLastSegmRead) m_nCharCount += sSegment.getLength(); }while( !bLastSegmRead ); m_aBlob->closeInput(); // reset position return m_nCharCount; } OUString SAL_CALL Clob::getSubString(sal_Int64 nPosition, sal_Int32 nLength) { MutexGuard aGuard(m_aMutex); checkDisposed(Clob_BASE::rBHelper.bDisposed); // TODO do not reset position if it is not necessary m_aBlob->closeInput(); // reset position OUStringBuffer sSegmentBuffer; sal_Int64 nActPos = 1; sal_Int32 nActLen = 0; // skip irrelevant parts while( nActPos < nPosition ) { uno::Sequence < sal_Int8 > aSegmentBytes; bool bLastRead = m_aBlob->readOneSegment( aSegmentBytes ); if( bLastRead ) throw lang::IllegalArgumentException("nPosition out of range", *this, 0); OUString sSegment ( reinterpret_cast< sal_Char *>( aSegmentBytes.getArray() ), aSegmentBytes.getLength(), RTL_TEXTENCODING_UTF8 ); sal_Int32 nStrLen = sSegment.getLength(); nActPos += nStrLen; if( nActPos > nPosition ) { sal_Int32 nCharsToCopy = static_cast(nActPos - nPosition); if( nCharsToCopy > nLength ) nCharsToCopy = nLength; // append relevant part of first segment sSegmentBuffer.append( sSegment.copy(0, nCharsToCopy ) ); nActLen += sSegmentBuffer.getLength(); } } // read nLength characters while( nActLen < nLength ) { uno::Sequence < sal_Int8 > aSegmentBytes; bool bLastRead = m_aBlob->readOneSegment( aSegmentBytes ); OUString sSegment ( reinterpret_cast< sal_Char *>( aSegmentBytes.getArray() ), aSegmentBytes.getLength(), RTL_TEXTENCODING_UTF8 ); sal_Int32 nStrLen = sSegment.getLength(); if( nActLen + nStrLen > nLength ) sSegmentBuffer.append(sSegment.copy(0, nLength - nActLen) ); else sSegmentBuffer.append(sSegment); nActLen += nStrLen; if( bLastRead && nActLen < nLength ) throw lang::IllegalArgumentException("out of range", *this, 0); } return sSegmentBuffer.makeStringAndClear(); } uno::Reference< XInputStream > SAL_CALL Clob::getCharacterStream() { MutexGuard aGuard(m_aMutex); checkDisposed(Clob_BASE::rBHelper.bDisposed); return m_aBlob->getBinaryStream(); } sal_Int64 SAL_CALL Clob::position(const OUString& /*rPattern*/, sal_Int32 /*nStart*/) { ::dbtools::throwFeatureNotImplementedSQLException("Clob::position", *this); return 0; } sal_Int64 SAL_CALL Clob::positionOfClob(const Reference & /*rPattern*/, sal_Int64 /*aStart*/) { ::dbtools::throwFeatureNotImplementedSQLException("Blob::positionOfBlob", *this); return 0; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -6.0.5 LibreOffice 核心代码仓库文档基金会
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AgeCommit message (Expand)Author
2018-09-28Fix TRANPARENT -> TRANSPARENTAndrea Gelmini
2018-09-28Fix typoAndrea Gelmini
2016-04-11Get rid of _XPMPRIVATEStephan Bergmann
2016-04-11Get rid of _XBMPRIVATEStephan Bergmann
2016-04-11Get rid of _GIFPRIVATEStephan Bergmann
2016-02-18solenv: use html files for doxygen, not xhtml filesChris Sherlock
2016-02-04accessibility: fix rest of doxygen errorsChris Sherlock
2016-02-04accessibility: fix doxygen errorsChris Sherlock
2016-01-15vcl: allow doxygen to see boost::intrusive_ptrChris Sherlock
2016-01-08vcl: exclude precompiled headers from doxygenChris Sherlock
2016-01-08vcl: configure some predefines in Doxygen for several of the vcl filtersChris Sherlock
2016-01-08Upgrade doxygen config file via doxygen -u solenv/inc/doxygen.cfgChris Sherlock
2014-11-20doxygen: png -> gif for imagesMiklos Vajna
2014-11-12Fix common typos. No automatic tools. Handmade…Andrea Gelmini
2014-10-30Fixed typos. No automatic tools (sed, and so on).Andrea Gelmini
2014-10-23fdo#60689: replace SUPD variableMarcos Paulo de Souza
2014-01-26fdo#74013 Upgrade doxygen config fileChris Sherlock
2013-08-19Rename SOLAR_JAVA to ENABLE_JAVA and HAVE_FEATURE_JAVATor Lillqvist
2013-03-21fix mkdocs.shPeter Foley