summaryrefslogtreecommitdiff
path: root/forms/source/xforms/computedexpression.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'forms/source/xforms/computedexpression.cxx')
-rw-r--r--forms/source/xforms/computedexpression.cxx249
1 files changed, 0 insertions, 249 deletions
diff --git a/forms/source/xforms/computedexpression.cxx b/forms/source/xforms/computedexpression.cxx
deleted file mode 100644
index 353741cf3..000000000
--- a/forms/source/xforms/computedexpression.cxx
+++ /dev/null
@@ -1,249 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*************************************************************************
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * Copyright 2000, 2010 Oracle and/or its affiliates.
- *
- * OpenOffice.org - a multi-platform office productivity suite
- *
- * This file is part of OpenOffice.org.
- *
- * OpenOffice.org is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 3
- * only, as published by the Free Software Foundation.
- *
- * OpenOffice.org 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 version 3 for more details
- * (a copy is included in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU Lesser General Public License
- * version 3 along with OpenOffice.org. If not, see
- * <http://www.openoffice.org/license.html>
- * for a copy of the LGPLv3 License.
- *
- ************************************************************************/
-
-// MARKER(update_precomp.py): autogen include statement, do not remove
-#include "precompiled_forms.hxx"
-
-#include "computedexpression.hxx"
-#include "unohelper.hxx"
-#include "evaluationcontext.hxx"
-#include "NameContainer.hxx"
-
-#include <com/sun/star/container/XNameContainer.hpp>
-#include <com/sun/star/uno/Sequence.hxx>
-#include <com/sun/star/xml/dom/NodeType.hpp>
-#include <com/sun/star/xml/dom/XNode.hpp>
-#include <com/sun/star/xml/xpath/XXPathAPI.hpp>
-#include <com/sun/star/xml/xpath/XXPathObject.hpp>
-#include <com/sun/star/xml/xpath/XXPathExtension.hpp>
-#include <com/sun/star/beans/NamedValue.hpp>
-#include <com/sun/star/lang/XInitialization.hpp>
-#include <com/sun/star/lang/XMultiServiceFactory.hpp>
-#include <com/sun/star/util/SearchAlgorithms.hpp>
-
-#include <unotools/textsearch.hxx>
-#include <comphelper/processfactory.hxx>
-
-using rtl::OUString;
-using com::sun::star::beans::NamedValue;
-using com::sun::star::uno::Any;
-using com::sun::star::uno::Reference;
-using com::sun::star::uno::Sequence;
-using com::sun::star::lang::XInitialization;
-using com::sun::star::lang::XMultiServiceFactory;
-using com::sun::star::xml::dom::XNode;
-using com::sun::star::container::XNameContainer;
-using com::sun::star::xml::xpath::XXPathAPI;
-using com::sun::star::xml::xpath::XXPathExtension;
-using com::sun::star::xml::xpath::XXPathObject;
-using com::sun::star::uno::RuntimeException;
-using com::sun::star::uno::Exception;
-using com::sun::star::uno::UNO_QUERY_THROW;
-using com::sun::star::xml::xpath::XPathObjectType_XPATH_UNDEFINED;
-using com::sun::star::util::SearchOptions;
-using com::sun::star::util::SearchAlgorithms_REGEXP;
-
-
-namespace xforms
-{
-
-ComputedExpression::ComputedExpression()
- : msExpression(),
- mbIsEmpty( true ),
- mbIsSimple( true ),
- mxResult()
-{
-}
-
-ComputedExpression::~ComputedExpression()
-{
-}
-
-
-OUString ComputedExpression::getExpression() const
-{
- return msExpression;
-}
-
-void ComputedExpression::setExpression( const OUString& rExpression )
-{
- // set new expression, and clear pre-computed results
- msExpression = rExpression;
- mbIsEmpty = _checkExpression( " *" );
- mbIsSimple = false;
- mxResult.clear();
-}
-
-
-bool ComputedExpression::_checkExpression( const sal_Char* pExpression ) const
-{
- OSL_ENSURE( pExpression != NULL, "no expression?" );
-
- // call RegExp engine
- SearchOptions aSearchOptions;
- aSearchOptions.algorithmType = SearchAlgorithms_REGEXP;
- aSearchOptions.searchString = String( pExpression, RTL_TEXTENCODING_ASCII_US );
- utl::TextSearch aTextSearch( aSearchOptions );
-
- xub_StrLen nLength =
- static_cast<xub_StrLen>( msExpression.getLength() );
- xub_StrLen nStart = 0;
- xub_StrLen nEnd = nLength;
- int nSearch = aTextSearch.SearchFrwrd( msExpression, &nStart, &nEnd );
-
- // our expression is static only if 1) we found our regexp, and 2)
- // the regexp goes from beginning to end.
- return ( nLength == 0 || nSearch != 0 )
- && ( nStart == 0 && nEnd == nLength );
-}
-
-/// do we have an actual expression?
-bool ComputedExpression::isEmptyExpression() const
-{
- return mbIsEmpty;
-}
-
-bool ComputedExpression::isSimpleExpression() const
-{
- // actual work is done by setExpression
- return mbIsEmpty || mbIsSimple;
-}
-
-
-const OUString ComputedExpression::_getExpressionForEvaluation() const
-{
- // the default implementation is to do nothing...
- return msExpression;
-}
-
-bool ComputedExpression::_evaluate(
- const xforms::EvaluationContext& rContext,
- const OUString& sExpression )
-{
- OSL_ENSURE( rContext.mxContextNode.is(), "no context node in context" );
-
- // obtain value by evaluating XPath expression
- mxResult.clear();
- try
- {
- mxResult = _getXPathAPI(rContext)->eval( rContext.mxContextNode,
- sExpression );
- }
- catch( const Exception& )
- {
- ; // ignore exception -> mxResult will be empty
- }
-
- return hasValue();
-}
-
-bool ComputedExpression::evaluate( const EvaluationContext& rContext )
-{
- // for simple expression we don't need to re-evaluate (if we have
- // an older result); neither for empty expressions
- if( mbIsEmpty || (mxResult.is() && mbIsSimple) )
- return true;
-
- return _evaluate( rContext, _getExpressionForEvaluation() );
-}
-
-
-bool ComputedExpression::hasValue() const
-{
- return mxResult.is() &&
- mxResult->getObjectType() != XPathObjectType_XPATH_UNDEFINED;
-}
-
-void ComputedExpression::clear()
-{
- mxResult.clear();
-}
-
-Reference<XXPathObject> ComputedExpression::getXPath() const
-{
- return mxResult;
-}
-
-OUString ComputedExpression::getString( const rtl::OUString& rDefault ) const
-{
- return mxResult.is() ? mxResult->getString() : rDefault;
-}
-
-bool ComputedExpression::getBool( bool bDefault ) const
-{
- return mxResult.is() ? mxResult->getBoolean() : bDefault;
-}
-
-
-
-
-Reference<XXPathAPI> ComputedExpression::_getXPathAPI(const xforms::EvaluationContext& aContext)
-{
- // create XPath API, then register namespaces
- Reference<XXPathAPI> xXPath( createInstance(
- OUSTRING( "com.sun.star.xml.xpath.XPathAPI" ) ),
- UNO_QUERY_THROW );
- OSL_ENSURE( xXPath.is(), "cannot get XPath API" );
-
- // register xforms extension#
- Sequence< Any > aSequence(2);
- NamedValue aValue;
- aValue.Name = OUSTRING("Model");
- aValue.Value <<= aContext.mxModel;
- aSequence[0] <<= aValue;
- aValue.Name = OUSTRING("ContextNode");
- aValue.Value <<= aContext.mxContextNode;
- aSequence[1] <<= aValue;
- Reference<XMultiServiceFactory> aFactory = comphelper::getProcessServiceFactory();
- Reference< XXPathExtension > aExtension( aFactory->createInstanceWithArguments(
- OUSTRING( "com.sun.star.comp.xml.xpath.XFormsExtension"), aSequence), UNO_QUERY_THROW);
- xXPath->registerExtensionInstance(aExtension);
-
- // register namespaces
- if( aContext.mxNamespaces.is() )
- {
- Sequence<OUString> aPrefixes =aContext.mxNamespaces->getElementNames();
- sal_Int32 nCount = aPrefixes.getLength();
- const OUString* pPrefixes = aPrefixes.getConstArray();
- for( sal_Int32 i = 0; i < nCount; i++ )
- {
- const OUString* pNamePrefix = &pPrefixes[i];
- OUString sNameURL;
- aContext.mxNamespaces->getByName( *pNamePrefix ) >>= sNameURL;
- xXPath->registerNS( *pNamePrefix, sNameURL );
- }
- }
-
- // done, so return xXPath-object
- return xXPath;
-}
-
-
-} // namespace xforms
-
-/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 11:43:53 +0000