| /* |
| * 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/>. |
| */ |
| #include "ElemAttribute.hpp" |
| |
| |
| |
| #include <sax/AttributeList.hpp> |
| |
| |
| |
| #include <PlatformSupport/DOMStringHelper.hpp> |
| #include <PlatformSupport/XalanUnicode.hpp> |
| |
| |
| |
| #include <DOMSupport/DOMServices.hpp> |
| |
| |
| |
| #include "AVT.hpp" |
| #include "Constants.hpp" |
| #include "StylesheetConstructionContext.hpp" |
| #include "StylesheetExecutionContext.hpp" |
| |
| |
| |
| ElemAttribute::ElemAttribute( |
| StylesheetConstructionContext& constructionContext, |
| Stylesheet& stylesheetTree, |
| const AttributeList& atts, |
| int lineNumber, |
| int columnNumber) : |
| ElemTemplateElement(constructionContext, |
| stylesheetTree, |
| lineNumber, |
| columnNumber, |
| Constants::ELEMNAME_ATTRIBUTE), |
| m_pNameAVT(0), |
| m_pNamespaceAVT(0) |
| { |
| const unsigned int nAttrs = atts.getLength(); |
| |
| for(unsigned int i = 0; i < nAttrs; i++) |
| { |
| const XalanDOMChar* const aname = atts.getName(i); |
| |
| if(equals(aname, Constants::ATTRNAME_NAME)) |
| { |
| m_pNameAVT = new AVT(getLocator(), aname, atts.getType(i), atts.getValue(i), |
| *this, constructionContext); |
| } |
| else if(equals(aname,Constants::ATTRNAME_NAMESPACE)) |
| { |
| m_pNamespaceAVT = new AVT(getLocator(), aname, atts.getType(i), atts.getValue(i), |
| *this, constructionContext); |
| } |
| else if(!(isAttrOK(aname, atts, i, constructionContext) || |
| processSpaceAttr(aname, atts, i, constructionContext))) |
| { |
| constructionContext.error( |
| "xsl:attribute has an illegal attribute", |
| 0, |
| this); |
| } |
| } |
| |
| if(0 == m_pNameAVT) |
| { |
| #if defined(XALAN_CANNOT_DELETE_CONST) |
| delete (AVT*)m_pNamespaceAVT; |
| #else |
| delete m_pNamespaceAVT; |
| #endif |
| |
| constructionContext.error( |
| "xsl:attribute must have a 'name' attribute", |
| 0, |
| this); |
| } |
| |
| } |
| |
| |
| |
| ElemAttribute::~ElemAttribute() |
| { |
| #if defined(XALAN_CANNOT_DELETE_CONST) |
| delete (AVT*)m_pNameAVT; |
| |
| delete (AVT*)m_pNamespaceAVT; |
| #else |
| delete m_pNameAVT; |
| |
| delete m_pNamespaceAVT; |
| #endif |
| } |
| |
| |
| |
| const XalanDOMString& |
| ElemAttribute::getElementName() const |
| { |
| return Constants::ELEMNAME_ATTRIBUTE_WITH_PREFIX_STRING; |
| } |
| |
| |
| |
| void |
| ElemAttribute::execute(StylesheetExecutionContext& executionContext) const |
| { |
| assert(m_pNameAVT != 0); |
| |
| ElemTemplateElement::execute(executionContext); |
| |
| StylesheetExecutionContext::GetAndReleaseCachedString attrNameGuard(executionContext); |
| |
| XalanDOMString& attrName = attrNameGuard.get(); |
| |
| XalanNode* sourceNode = executionContext.getCurrentNode(); |
| |
| m_pNameAVT->evaluate(attrName, sourceNode, *this, executionContext); |
| |
| if(!isEmpty(attrName)) |
| { |
| // save original attribute name |
| StylesheetExecutionContext::GetAndReleaseCachedString origAttrNameGuard(executionContext); |
| |
| XalanDOMString& origAttrName = origAttrNameGuard.get(); |
| |
| assign(origAttrName, attrName); |
| |
| const XalanDOMString::size_type origAttrNameLength = length(origAttrName); |
| |
| XalanDOMString::size_type indexOfNSSep = 0; |
| |
| StylesheetExecutionContext::GetAndReleaseCachedString attrNameSpaceGuard(executionContext); |
| |
| XalanDOMString& attrNameSpace = attrNameSpaceGuard.get(); |
| |
| if(0 != m_pNamespaceAVT) |
| { |
| m_pNamespaceAVT->evaluate(attrNameSpace, sourceNode, *this, executionContext); |
| |
| indexOfNSSep = indexOf(origAttrName, XalanUnicode::charColon); |
| |
| if(isEmpty(attrNameSpace)) |
| { |
| // If there's no namespace, but the attribute has a |
| // prefix, then we must strip the prefix off. |
| if (indexOfNSSep < origAttrNameLength) |
| { |
| substring(origAttrName, attrName, indexOfNSSep + 1); |
| } |
| |
| // We set this to indicate that there is no prefix any |
| // longer. |
| indexOfNSSep = origAttrNameLength; |
| } |
| else |
| { |
| // See if the namespace already exists. If it does, we'll get the |
| // prefix that was used when it was declared. |
| const XalanDOMString* const prefix = |
| executionContext.getResultPrefixForNamespace(attrNameSpace); |
| |
| // If there is already a prefix for the namespace, and it's length |
| // is not 0, and there is no prefix on the attribute name, or |
| // it's equal to the prefix on the attribute, then go ahead |
| // and use that prefix. |
| if(prefix != 0 && |
| length(*prefix) != 0 && |
| (indexOfNSSep == origAttrNameLength || |
| equals(c_wstr(*prefix), c_wstr(attrName), indexOfNSSep) == true)) |
| { |
| if(indexOfNSSep < origAttrNameLength) |
| { |
| reserve( |
| attrName, |
| length(attrName) - (indexOfNSSep + 1) + DOMServices::s_XMLNamespaceSeparatorStringLength + length(*prefix) + 1); |
| |
| assign(attrName, substring(attrName, indexOfNSSep + 1)); |
| } |
| else |
| { |
| reserve( |
| attrName, |
| length(attrName) + DOMServices::s_XMLNamespaceSeparatorStringLength + length(*prefix) + 1); |
| } |
| |
| insert(attrName, 0, DOMServices::s_XMLNamespaceSeparatorString); |
| insert(attrName, 0, *prefix); |
| } |
| else |
| { |
| StylesheetExecutionContext::GetAndReleaseCachedString newPrefixGuard(executionContext); |
| |
| XalanDOMString& newPrefix = newPrefixGuard.get(); |
| |
| // If the prefix on the QName is xmlns, we cannot use it. |
| const bool fPrefixIsXMLNS = |
| startsWith(origAttrName, DOMServices::s_XMLNamespaceWithSeparator); |
| |
| // If there's a prefix, and it's not xmlns, then use |
| // the prefix that's provided. |
| if(indexOfNSSep < origAttrNameLength && |
| fPrefixIsXMLNS == false) |
| { |
| newPrefix = substring(origAttrName, 0, indexOfNSSep); |
| |
| // OK, make sure that the prefix provided maps to |
| // the same namespace as the one the user requested, |
| // and see if it's in use... |
| const XalanDOMString* const theNamespace = |
| executionContext.getResultNamespaceForPrefix(newPrefix); |
| |
| if (theNamespace != 0 && |
| equals(*theNamespace, attrNameSpace) == false && |
| executionContext.isPendingResultPrefix(newPrefix) == true) |
| { |
| // It doesn't, so we'll need to manufacture a |
| // prefix. |
| clear(newPrefix); |
| |
| // Strip the user-supplied prefix from the name... |
| attrName = substring(origAttrName, indexOfNSSep + 1); |
| } |
| } |
| |
| if (length(newPrefix) == 0) |
| { |
| // If there's a prefix, and it's xmlns, then strip it |
| // off... |
| if (fPrefixIsXMLNS == true) |
| { |
| assign(attrName, substring(attrName, indexOfNSSep + 1)); |
| } |
| |
| // Get a new, unique namespace prefix... |
| executionContext.getUniqueNamespaceValue(newPrefix); |
| |
| // Reserve some space in the string. |
| reserve( |
| attrName, |
| length(attrName) + DOMServices::s_XMLNamespaceSeparatorStringLength + length(newPrefix) + 1); |
| |
| insert(attrName, 0, DOMServices::s_XMLNamespaceSeparatorString); |
| insert(attrName, 0, newPrefix); |
| } |
| |
| // OK, now we have to generate a namespace declaration... |
| StylesheetExecutionContext::GetAndReleaseCachedString nsDeclGuard(executionContext); |
| |
| XalanDOMString& nsDecl = nsDeclGuard.get(); |
| |
| reserve(nsDecl, DOMServices::s_XMLNamespaceWithSeparatorLength + length(newPrefix) + 1); |
| |
| assign(nsDecl, DOMServices::s_XMLNamespaceWithSeparator); |
| |
| append(nsDecl, newPrefix); |
| |
| // Add the namespace declaration... |
| executionContext.addResultAttribute(nsDecl, attrNameSpace); |
| } |
| } |
| } |
| // Note we are using original attribute name for these tests. |
| else if(executionContext.isElementPending() == true && |
| !equals(origAttrName, DOMServices::s_XMLNamespace)) |
| { |
| // Don't try to create a namespace declaration for anything that |
| // starts with xml: |
| if (startsWith(origAttrName, DOMServices::s_XMLString) == true) |
| { |
| // This just fakes out the test below. It would be better if |
| // we had a better way of testing this... |
| indexOfNSSep = origAttrNameLength; |
| } |
| else |
| { |
| // make sure that if a prefix is specified on the attribute name, it is valid |
| indexOfNSSep = indexOf(origAttrName, XalanUnicode::charColon); |
| |
| if(indexOfNSSep < origAttrNameLength) |
| { |
| StylesheetExecutionContext::GetAndReleaseCachedString nsprefixGuard(executionContext); |
| |
| XalanDOMString& nsprefix = nsprefixGuard.get(); |
| |
| nsprefix = substring(origAttrName, 0, indexOfNSSep); |
| |
| const XalanDOMString* const theNamespace = |
| getNamespaceForPrefix(nsprefix); |
| |
| if (theNamespace != 0) |
| { |
| assign(attrNameSpace, *theNamespace); |
| } |
| |
| if (isEmpty(attrNameSpace)) |
| { |
| // Could not resolve prefix |
| executionContext.warn("Warning: Could not resolve prefix " + nsprefix, sourceNode, this); |
| } |
| else |
| { |
| // Check to see if there's already a namespace declaration in scope... |
| const XalanDOMString* const prefix = |
| executionContext.getResultPrefixForNamespace(attrNameSpace); |
| |
| if (prefix == 0) |
| { |
| // We need to generate a namespace declaration... |
| StylesheetExecutionContext::GetAndReleaseCachedString nsDeclGuard(executionContext); |
| |
| XalanDOMString& nsDecl = nsDeclGuard.get(); |
| |
| reserve(nsDecl, DOMServices::s_XMLNamespaceWithSeparatorLength + length(nsprefix) + 1); |
| |
| assign(nsDecl, DOMServices::s_XMLNamespaceWithSeparator); |
| |
| append(nsDecl, nsprefix); |
| |
| // Add the namespace declaration... |
| executionContext.addResultAttribute(nsDecl, attrNameSpace); |
| } |
| } |
| } |
| } |
| } |
| else |
| { |
| executionContext.warn("Warning: Trying to add attribute after element child has been added, ignoring...", sourceNode, this); |
| } |
| |
| // If there was no namespace, or the namespace was resolved, process |
| // the result attribute. |
| if (indexOfNSSep == origAttrNameLength || !isEmpty(attrNameSpace)) |
| { |
| childrenToResultAttribute( |
| executionContext, |
| attrName); |
| } |
| } |
| } |
| |
| |
| |
| bool |
| ElemAttribute::childTypeAllowed(int xslToken) const |
| { |
| bool fResult = false; |
| |
| switch(xslToken) |
| { |
| // char-instructions |
| case Constants::ELEMNAME_TEXTLITERALRESULT: |
| case Constants::ELEMNAME_APPLY_TEMPLATES: |
| case Constants::ELEMNAME_APPLY_IMPORTS: |
| case Constants::ELEMNAME_CALLTEMPLATE: |
| case Constants::ELEMNAME_FOREACH: |
| case Constants::ELEMNAME_VALUEOF: |
| case Constants::ELEMNAME_COPY_OF: |
| case Constants::ELEMNAME_NUMBER: |
| case Constants::ELEMNAME_CHOOSE: |
| case Constants::ELEMNAME_IF: |
| case Constants::ELEMNAME_TEXT: |
| case Constants::ELEMNAME_COPY: |
| case Constants::ELEMNAME_VARIABLE: |
| case Constants::ELEMNAME_MESSAGE: |
| // instructions |
| // case Constants.ELEMNAME_PI: |
| // case Constants.ELEMNAME_COMMENT: |
| // case Constants.ELEMNAME_ELEMENT: |
| // case Constants.ELEMNAME_ATTRIBUTE: |
| fResult = true; |
| break; |
| |
| default: |
| break; |
| } |
| |
| return fResult; |
| } |