| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2000 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/>. |
| */ |
| #include "FunctionSubstringAfter.hpp" |
| |
| |
| |
| #include "XObjectFactory.hpp" |
| |
| |
| |
| FunctionSubstringAfter::FunctionSubstringAfter() |
| { |
| } |
| |
| |
| |
| FunctionSubstringAfter::~FunctionSubstringAfter() |
| { |
| } |
| |
| |
| |
| XObjectPtr |
| FunctionSubstringAfter::execute( |
| XPathExecutionContext& executionContext, |
| XalanNode* /* context */, |
| const XObjectPtr arg1, |
| const XObjectPtr arg2, |
| const Locator* /* locator */) const |
| { |
| assert(arg1.null() == false && arg2.null() == false); |
| |
| const XalanDOMString& theFirstString = arg1->str(); |
| |
| const XalanDOMString::size_type theFirstStringLength = length(theFirstString); |
| |
| if (theFirstStringLength == 0) |
| { |
| return executionContext.getXObjectFactory().createString(XalanDOMString()); |
| } |
| else |
| { |
| const XalanDOMString& theSecondString = arg2->str(); |
| |
| const XalanDOMString::size_type theIndex = indexOf(theFirstString, |
| theSecondString); |
| |
| if (theIndex == theFirstStringLength) |
| { |
| return executionContext.getXObjectFactory().createString(XalanDOMString()); |
| } |
| else |
| { |
| const XalanDOMString::size_type theSecondStringLength = length(theSecondString); |
| |
| // Find the first character, which will be the offset of the index of the |
| // beginning of the second string, plus the length of the second string. |
| const XalanDOMChar* const theFirstCharacter = |
| toCharArray(theFirstString) + theIndex + theSecondStringLength; |
| |
| // The remaining length is just the opposite -- the length of the string, |
| // minus the index, minus the length of the second string. |
| const XalanDOMString::size_type theSubstringLength = |
| theFirstStringLength - theIndex - theSecondStringLength; |
| |
| XPathExecutionContext::GetAndReleaseCachedString theResult(executionContext); |
| |
| XalanDOMString& theString = theResult.get(); |
| |
| assign( |
| theString, |
| theFirstCharacter, |
| theSubstringLength); |
| |
| return executionContext.getXObjectFactory().createString(theResult); |
| } |
| } |
| } |
| |
| |
| |
| #if defined(XALAN_NO_COVARIANT_RETURN_TYPE) |
| Function* |
| #else |
| FunctionSubstringAfter* |
| #endif |
| FunctionSubstringAfter::clone() const |
| { |
| return new FunctionSubstringAfter(*this); |
| } |
| |
| |
| |
| const XalanDOMString |
| FunctionSubstringAfter::getError() const |
| { |
| return StaticStringToDOMString(XALAN_STATIC_UCODE_STRING("The substring-after() function takes two arguments!")); |
| } |