| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /** |
| * @author <a href="mailto:david_n_bertoni@us.ibm.com">David N. Bertoni</a> |
| */ |
| |
| #include "XPathEnvSupportDefault.hpp" |
| |
| |
| |
| #include <algorithm> |
| |
| |
| |
| #if defined(XALAN_CLASSIC_IOSTREAMS) |
| #include <iostream.h> |
| #else |
| #include <iostream> |
| #endif |
| |
| |
| |
| #include <xalanc/Include/STLHelper.hpp> |
| |
| |
| |
| #include <xalanc/PlatformSupport/DOMStringHelper.hpp> |
| #include <xalanc/PlatformSupport/XalanMessageLoader.hpp> |
| |
| |
| |
| #include <xalanc/DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include "XObject.hpp" |
| #include "XObjectFactory.hpp" |
| #include "XPath.hpp" |
| #include "XPathExecutionContext.hpp" |
| |
| |
| |
| XALAN_USING_STD(cerr) |
| XALAN_USING_STD(endl) |
| |
| |
| |
| XALAN_CPP_NAMESPACE_BEGIN |
| |
| |
| |
| XPathEnvSupportDefault::NamespaceFunctionTablesType XPathEnvSupportDefault::s_externalFunctions(XalanMemMgrs::getDummyMemMgr()); |
| |
| const XalanDOMString XPathEnvSupportDefault::s_emptyString(XalanMemMgrs::getDummyMemMgr()); |
| |
| void |
| XPathEnvSupportDefault::initialize(MemoryManagerType& theManager) |
| { |
| XPathEnvSupportDefault::NamespaceFunctionTablesType tmpMap(theManager); |
| |
| s_externalFunctions.swap(tmpMap); |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::terminate() |
| { |
| XALAN_USING_STD(for_each) |
| |
| // Clean up the extension namespaces vector |
| for_each(s_externalFunctions.begin(), |
| s_externalFunctions.end(), |
| NamespaceFunctionTableDeleteFunctor(s_externalFunctions.getMemoryManager())); |
| |
| NamespaceFunctionTablesType temp(XalanMemMgrs::getDummyMemMgr()); |
| temp.swap(s_externalFunctions); |
| } |
| |
| |
| |
| XPathEnvSupportDefault::XPathEnvSupportDefault(MemoryManagerType& theManager) : |
| XPathEnvSupport(), |
| m_sourceDocs(theManager), |
| m_externalFunctions(theManager) |
| { |
| } |
| |
| |
| |
| XPathEnvSupportDefault::~XPathEnvSupportDefault() |
| { |
| XALAN_USING_STD(for_each) |
| |
| // Clean up the extension namespaces vector |
| for_each(m_externalFunctions.begin(), |
| m_externalFunctions.end(), |
| NamespaceFunctionTableDeleteFunctor(m_externalFunctions.getMemoryManager())); |
| |
| NamespaceFunctionTablesType temp(XalanMemMgrs::getDummyMemMgr()); |
| temp.swap(m_externalFunctions); |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::updateFunctionTable( |
| NamespaceFunctionTablesType& theTable, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function* function) |
| { |
| // See if there's a table for that namespace... |
| const NamespaceFunctionTablesType::iterator i = |
| theTable.find(theNamespace); |
| |
| if (i == theTable.end()) |
| { |
| // The namespace was not found. If function is not |
| // 0, then add a clone of the function. |
| if (function != 0) |
| { |
| theTable[theNamespace][functionName] = |
| function->clone(theTable.getMemoryManager()); |
| } |
| } |
| else |
| { |
| // There is already a table for the namespace, |
| // so look for the function... |
| const FunctionTableType::iterator j = |
| (*i).second.find(functionName); |
| |
| if (j == (*i).second.end()) |
| { |
| // The function was not found. If function is not |
| // 0, then add a clone of the function. |
| if (function != 0) |
| { |
| (*i).second[functionName] = function->clone(theTable.getMemoryManager()); |
| } |
| } |
| else |
| { |
| // Found it, so delete the function... |
| const_cast<Function*>((*j).second)->~Function(); |
| |
| MemoryManagerType& theManager = theTable.getMemoryManager(); |
| |
| theManager.deallocate((void*)(*j).second); |
| |
| // If function is not 0, then we update |
| // the entry. Otherwise, we erase it... |
| if (function != 0) |
| { |
| // Update it... |
| (*j).second = function->clone(theTable.getMemoryManager()); |
| } |
| else |
| { |
| // Erase it... |
| (*i).second.erase(j); |
| } |
| } |
| } |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::installExternalFunctionGlobal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function& function) |
| { |
| updateFunctionTable(s_externalFunctions, theNamespace, functionName, &function); |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::uninstallExternalFunctionGlobal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) |
| { |
| updateFunctionTable(s_externalFunctions, theNamespace, functionName, 0); |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::installExternalFunctionLocal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| const Function& function) |
| { |
| updateFunctionTable(m_externalFunctions, theNamespace, functionName, &function); |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::uninstallExternalFunctionLocal( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) |
| { |
| updateFunctionTable(m_externalFunctions, theNamespace, functionName, 0); |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::reset() |
| { |
| m_sourceDocs.clear(); |
| } |
| |
| |
| |
| XalanDocument* |
| XPathEnvSupportDefault::parseXML( |
| MemoryManagerType& /* theManager */, |
| const XalanDOMString& /* urlString */, |
| const XalanDOMString& /* base */) |
| { |
| return 0; |
| } |
| |
| |
| |
| XalanDocument* |
| XPathEnvSupportDefault::getSourceDocument(const XalanDOMString& theURI) const |
| { |
| const SourceDocsTableType::const_iterator i = |
| m_sourceDocs.find(theURI); |
| |
| if (i == m_sourceDocs.end()) |
| { |
| return 0; |
| } |
| else |
| { |
| return (*i).second; |
| } |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::setSourceDocument( |
| const XalanDOMString& theURI, |
| XalanDocument* theDocument) |
| { |
| m_sourceDocs[theURI] = theDocument; |
| } |
| |
| |
| |
| const XalanDOMString& |
| XPathEnvSupportDefault::findURIFromDoc(const XalanDocument* owner) const |
| { |
| SourceDocsTableType::const_iterator i = |
| m_sourceDocs.begin(); |
| |
| bool fFound = false; |
| |
| while(i != m_sourceDocs.end() && fFound == false) |
| { |
| if ((*i).second == owner) |
| { |
| fFound = true; |
| } |
| else |
| { |
| ++i; |
| } |
| } |
| |
| return fFound == false ? s_emptyString : (*i).first; |
| } |
| |
| |
| |
| bool |
| XPathEnvSupportDefault::elementAvailable( |
| const XalanDOMString& /* theNamespace */, |
| const XalanDOMString& /* elementName */) const |
| { |
| return false; |
| } |
| |
| |
| |
| bool |
| XPathEnvSupportDefault::functionAvailable( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) const |
| { |
| bool theResult = false; |
| |
| // Any function without a namespace prefix is considered |
| // to be an intrinsic function. |
| if (isEmpty(theNamespace) == true) |
| { |
| theResult = XPath::isInstalledFunction(functionName); |
| } |
| else |
| { |
| const Function* const theFunction = |
| findFunction( |
| theNamespace, |
| functionName); |
| |
| if (theFunction != 0) |
| { |
| theResult = true; |
| } |
| } |
| |
| return theResult; |
| } |
| |
| |
| |
| const Function* |
| XPathEnvSupportDefault::findFunction( |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) const |
| { |
| // First, look locally... |
| const Function* theFunction = findFunction( |
| m_externalFunctions, |
| theNamespace, |
| functionName); |
| |
| if (theFunction == 0) |
| { |
| // Not found, so look in the global space... |
| theFunction = findFunction( |
| s_externalFunctions, |
| theNamespace, |
| functionName); |
| } |
| |
| return theFunction; |
| } |
| |
| |
| |
| const Function* |
| XPathEnvSupportDefault::findFunction( |
| const NamespaceFunctionTablesType& theTable, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName) const |
| { |
| const Function* theFunction = 0; |
| |
| // See if there's a table for that namespace... |
| const NamespaceFunctionTablesType::const_iterator i = |
| theTable.find(theNamespace); |
| |
| if (i != theTable.end()) |
| { |
| // There is a table for the namespace, |
| // so look for the function... |
| const FunctionTableType::const_iterator j = |
| (*i).second.find(functionName); |
| |
| if (j != (*i).second.end()) |
| { |
| // Found the function... |
| assert((*j).second != 0); |
| |
| theFunction = (*j).second; |
| } |
| } |
| |
| return theFunction; |
| } |
| |
| |
| |
| XObjectPtr |
| XPathEnvSupportDefault::extFunction( |
| XPathExecutionContext& executionContext, |
| const XalanDOMString& theNamespace, |
| const XalanDOMString& functionName, |
| XalanNode* context, |
| const XObjectArgVectorType& argVec, |
| const LocatorType* locator) const |
| { |
| const Function* const theFunction = findFunction(theNamespace, functionName); |
| |
| if (theFunction != 0) |
| { |
| return theFunction->execute( |
| executionContext, |
| context, |
| argVec, |
| locator); |
| } |
| else |
| { |
| XalanDOMString theFunctionName(executionContext.getMemoryManager()); |
| |
| if(length(theNamespace) > 0) |
| { |
| theFunctionName += theNamespace; |
| theFunctionName += DOMServices::s_XMLNamespaceSeparatorString; |
| } |
| |
| theFunctionName += functionName; |
| |
| XPathExecutionContext::GetAndReleaseCachedString theGuard(executionContext); |
| |
| if (locator != 0) |
| { |
| throw XPathExceptionFunctionNotAvailable(theFunctionName, *locator, theGuard.get()); |
| } |
| else |
| { |
| throw XPathExceptionFunctionNotAvailable(theFunctionName, theGuard.get()); |
| } |
| |
| // dummy return value... |
| return XObjectPtr(); |
| } |
| } |
| |
| |
| |
| bool |
| XPathEnvSupportDefault::problem( |
| eSource /* where */, |
| eClassification classification, |
| const PrefixResolver* /* resolver */, |
| const XalanNode* /* sourceNode */, |
| const XalanDOMString& msg, |
| const XalanDOMChar* uri, |
| int lineNo, |
| int charOffset) const |
| { |
| cerr << msg; |
| |
| if (uri != 0) |
| { |
| cerr << ",in " << uri; |
| } |
| |
| cerr << ", at line number " |
| << lineNo |
| << " at offset " |
| << charOffset |
| << endl; |
| |
| return classification == XPathEnvSupport::eError ? true : false; |
| } |
| |
| |
| |
| XPathEnvSupportDefault::NamespaceFunctionTableDeleteFunctor::NamespaceFunctionTableDeleteFunctor(MemoryManagerType& theManager) : |
| m_memMgr(theManager) |
| { |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::NamespaceFunctionTableDeleteFunctor::operator()(const NamespaceFunctionTablesInnerType::value_type& thePair) const |
| { |
| FunctionTableInnerType::const_iterator i = thePair.second.begin(); |
| |
| while(i != thePair.second.end()) |
| { |
| const_cast<Function*>((*i).second)->~Function(); |
| |
| m_memMgr.deallocate((void*)(*i).second); |
| |
| ++i; |
| } |
| } |
| |
| |
| |
| XALAN_CPP_NAMESPACE_END |