| /* |
| * 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/>. |
| * |
| * $ Id: $ |
| * |
| */ |
| |
| #include "ExtensionFunctionHandler.hpp" |
| |
| |
| |
| #include <cassert> |
| |
| |
| |
| #include <PlatformSupport/StringTokenizer.hpp> |
| #include <PlatformSupport/DOMStringHelper.hpp> |
| |
| |
| |
| const XalanDOMChar ExtensionFunctionHandler::s_tokenDelimiterCharacters[] = |
| { |
| XalanUnicode::charSpace, |
| XalanUnicode::charHTab, |
| XalanUnicode::charLF, |
| XalanUnicode::charCR, |
| 0 |
| }; |
| |
| |
| |
| ExtensionFunctionHandler::ExtensionFunctionHandler(const XalanDOMString& namespaceUri) : |
| m_namespaceUri(namespaceUri), |
| m_scriptLang(), |
| m_scriptSrc(), |
| m_scriptSrcURL(), |
| m_javaObject(0), |
| m_functions(), |
| m_componentStarted(false) |
| { |
| } |
| |
| |
| |
| ExtensionFunctionHandler::~ExtensionFunctionHandler() |
| { |
| } |
| |
| |
| |
| ExtensionFunctionHandler::ExtensionFunctionHandler ( |
| const XalanDOMString& namespaceUri, |
| const XalanDOMString& funcNames, |
| const XalanDOMString& lang, |
| const XalanDOMString& srcURL, |
| const XalanDOMString& src) : |
| m_namespaceUri(namespaceUri), |
| m_scriptLang(lang), |
| m_scriptSrc(src), |
| m_scriptSrcURL(srcURL), |
| m_javaObject(0), |
| m_functions(), |
| m_componentStarted(false) |
| { |
| setFunctions (funcNames); |
| } |
| |
| |
| |
| void |
| ExtensionFunctionHandler::setFunctions(const XalanDOMString& funcNames) |
| { |
| if (isEmpty(funcNames)) |
| { |
| return; |
| } |
| |
| StringTokenizer st(funcNames, s_tokenDelimiterCharacters, false); |
| |
| while (st.hasMoreTokens() == true) |
| { |
| m_functions.insert(st.nextToken()); |
| } |
| } |
| |
| |
| void |
| ExtensionFunctionHandler::setScript( |
| const XalanDOMString& lang, |
| const XalanDOMString& srcURL, |
| const XalanDOMString& scriptSrc) |
| { |
| m_scriptLang = lang; |
| m_scriptSrcURL = srcURL; |
| m_scriptSrc = scriptSrc; |
| } |
| |
| |
| |
| bool |
| ExtensionFunctionHandler::isFunctionAvailable (const XalanDOMString& function) const |
| { |
| return m_functions.find(function) != m_functions.end(); |
| } |
| |
| |
| |
| XObjectPtr |
| ExtensionFunctionHandler::callFunction( |
| const XalanDOMString& /* funcName */, |
| const ArgVectorType& /* args */) |
| { |
| assert(0); // @@ TODO: Not implemented |
| |
| if (!m_componentStarted) |
| { |
| startupComponent(); |
| } |
| |
| return XObjectPtr(); |
| } |
| |
| |
| |
| void |
| ExtensionFunctionHandler::startupComponent() |
| { |
| // special case the javaclass engine - the scriptSrcURL is |
| // the class name to run. If it starts with class: then use the |
| // class object with that name instead of init'ing it as the |
| // target of the calls later |
| if (equals(m_scriptLang, "javaclass")) |
| { |
| try |
| { |
| XalanDOMString cname(m_scriptSrcURL); |
| |
| bool isClass = false; |
| |
| if (startsWith(m_scriptSrcURL, "class:")) |
| { |
| substring(m_scriptSrcURL, cname, 6); |
| |
| isClass = true; |
| } |
| |
| // @@ JMD: Can't do this in C++ |
| /* |
| Class cl = Class.forName (cname); |
| if (isClass) |
| { |
| m_javaObject = cl; |
| } |
| else |
| { |
| m_javaObject = cl.newInstance (); |
| } |
| */ |
| m_componentStarted = true; |
| return; |
| } |
| //catch (Exception e) |
| catch (...) |
| { |
| assert(0); |
| // System.out.println("Extension error: "+e.getMessage ()); |
| // throw new XPathProcessorException (e.getMessage (), e); |
| } |
| } |
| |
| // if scriptSrcURL is specified read it off |
| if (!isEmpty(m_scriptSrcURL)) |
| { |
| assert(0); |
| // throw new XPathProcessorException ("src attr not supported (yet)"); |
| } |
| |
| if (isEmpty(m_scriptSrc)) |
| { |
| return; |
| } |
| |
| // evaluate the src to load whatever content is in that string to |
| // the engines |
| assert(0); |
| // System.out.println("Error! Extensions not implemented!"); |
| /* |
| try |
| { |
| mgr.exec (m_scriptLang, "XSLTScript", -1, -1, scriptSrc); |
| } |
| catch (BSFException bsfe) |
| { |
| throw new XPathProcessorException (bsfe.getMessage (), bsfe); |
| } |
| */ |
| |
| m_componentStarted = true; |
| } |