| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 1999 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Xalan" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * nor may "Apache" appear in their name, without prior written |
| * permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 1999, International |
| * Business Machines, Inc., http://www.ibm.com. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| * |
| * @author <a href="mailto:david_n_bertoni@lotus.com">David N. Bertoni</a> |
| */ |
| |
| #include "XPathEnvSupportDefault.hpp" |
| |
| |
| |
| #include <algorithm> |
| |
| |
| |
| #if defined(XALAN_OLD_STREAM_HEADERS) |
| #include <iostream.h> |
| #else |
| #include <iostream> |
| #endif |
| |
| |
| |
| #include <Include/STLHelper.hpp> |
| |
| |
| |
| #include <PlatformSupport/DOMStringHelper.hpp> |
| |
| |
| |
| #include <DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include "XObject.hpp" |
| #include "XObjectFactory.hpp" |
| #include "XPath.hpp" |
| #include "XPathExecutionContext.hpp" |
| |
| |
| |
| #if !defined(XALAN_NO_NAMESPACES) |
| using std::cerr; |
| using std::endl; |
| using std::for_each; |
| #endif |
| |
| |
| |
| XPathEnvSupportDefault::NamespaceFunctionTablesType XPathEnvSupportDefault::s_externalFunctions; |
| |
| |
| |
| void |
| XPathEnvSupportDefault::initialize() |
| { |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::terminate() |
| { |
| // Clean up the extension namespaces vector |
| for_each(s_externalFunctions.begin(), |
| s_externalFunctions.end(), |
| NamespaceFunctionTableDeleteFunctor()); |
| |
| NamespaceFunctionTablesType().swap(s_externalFunctions); |
| } |
| |
| |
| |
| XPathEnvSupportDefault::XPathEnvSupportDefault() : |
| XPathEnvSupport(), |
| m_sourceDocs(), |
| m_externalFunctions() |
| { |
| } |
| |
| |
| |
| XPathEnvSupportDefault::~XPathEnvSupportDefault() |
| { |
| // Clean up the extension namespaces vector |
| for_each(m_externalFunctions.begin(), |
| m_externalFunctions.end(), |
| NamespaceFunctionTableDeleteFunctor()); |
| |
| NamespaceFunctionTablesType().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(); |
| } |
| } |
| 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(); |
| } |
| } |
| else |
| { |
| // Found it, so delete the function... |
| #if defined(XALAN_CANNOT_DELETE_CONST) |
| delete (Function*)(*j).second; |
| #else |
| delete (*j).second; |
| #endif |
| |
| // If function is not 0, then we update |
| // the entry. Otherwise, we erase it... |
| if (function != 0) |
| { |
| // Update it... |
| (*j).second = function->clone(); |
| } |
| 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( |
| 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; |
| } |
| |
| |
| |
| 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 ? XalanDOMString() : (*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 Locator* locator) const |
| { |
| const Function* const theFunction = findFunction(theNamespace, functionName); |
| |
| if (theFunction != 0) |
| { |
| return theFunction->execute( |
| executionContext, |
| context, |
| argVec, |
| locator); |
| } |
| else |
| { |
| XalanDOMString theFunctionName; |
| |
| if(length(theNamespace) > 0) |
| { |
| theFunctionName += theNamespace; |
| theFunctionName += DOMServices::s_XMLNamespaceSeparatorString; |
| } |
| |
| theFunctionName += functionName; |
| |
| throw XPathExceptionFunctionNotAvailable(theFunctionName); |
| |
| // dummy return value... |
| return XObjectPtr(); |
| } |
| } |
| |
| |
| |
| bool |
| XPathEnvSupportDefault::problem( |
| eSource /* where */, |
| eClassification classification, |
| const XalanNode* /* styleNode */, |
| 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; |
| } |
| |
| |
| |
| 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; |
| } |
| |
| |
| |
| void |
| XPathEnvSupportDefault::NamespaceFunctionTableDeleteFunctor::operator()(const NamespaceFunctionTablesInnerType::value_type& thePair) const |
| { |
| #if defined(XALAN_CANNOT_DELETE_CONST) |
| FunctionTableInnerType::const_iterator i = thePair.second.begin(); |
| |
| while(i != thePair.second.end()) |
| { |
| delete (Function*) (*i).second; |
| |
| ++i; |
| } |
| #else |
| // Clean up the extension namespaces vector |
| for_each(thePair.second.begin(), |
| thePair.second.end(), |
| MapValueDeleteFunctor<FunctionTableInnerType>()); |
| #endif |
| } |