-/*
- * Copyright 2001-2010 Internet2
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
*
- * Licensed 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
+ * UCAID 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
+ * 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.
+ * 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.
*/
/**
#ifndef __xmltooling_xmlhelper_h__
#define __xmltooling_xmlhelper_h__
-#include <xmltooling/base.h>
+#include <xmltooling/unicode.h>
-#include <set>
+#include <map>
#include <iostream>
#include <xercesc/dom/DOM.hpp>
/**
* Returns resource held by this object.
*
- * @return the resource held or NULL
+ * @return the resource held or nullptr
*/
T* get() {
return m_held;
/**
* Returns resource held by this object.
*
- * @return the resource held or NULL
+ * @return the resource held or nullptr
*/
T* operator->() {
return m_held;
/**
* Returns resource held by this object and releases it to the caller.
*
- * @return the resource held or NULL
+ * @return the resource held or nullptr
*/
T* release() {
T* ret=m_held;
- m_held=NULL;
+ m_held=nullptr;
return ret;
}
};
*
* @param tree root of tree to search
* @param id ID value to locate
- * @return XMLObject in the tree with a matching ID value, or NULL
+ * @return XMLObject in the tree with a matching ID value, or nullptr
*/
static const XMLObject* getXMLObjectById(const XMLObject& tree, const XMLCh* id);
*
* @param tree root of tree to search
* @param id ID value to locate
- * @return XMLObject in the tree with a matching ID value, or NULL
+ * @return XMLObject in the tree with a matching ID value, or nullptr
*/
static XMLObject* getXMLObjectById(XMLObject& tree, const XMLCh* id);
/**
- * Returns a list of non-visibly-used namespace prefixes found in a tree.
+ * Returns the set of non-visibly-used namespace declarations found in a tree.
+ * <p>Each member of the set is a prefix/URI pair.
*
* @param tree root of tree to search
- * @param prefixes container to store prefix list
+ * @param prefixes container to store declarations
*/
- static void getNonVisiblyUsedPrefixes(const XMLObject& tree, std::set<xstring>& prefixes);
+ static void getNonVisiblyUsedPrefixes(const XMLObject& tree, std::map<xstring,xstring>& prefixes);
/**
* Gets the QName for the given DOM node.
static QName* getNodeValueAsQName(const xercesc::DOMNode* domNode);
/**
+ * Returns a boolean based on a node's value.
+ *
+ * @param domNode the DOM node with a boolean (1/0/true/false) value
+ * @param def value to return if the node is null/missing
+ * @return a bool value based on the node's value, or a default value
+ */
+ static bool getNodeValueAsBool(const xercesc::DOMNode* domNode, bool def);
+
+ /**
* Appends the child Element to the parent Element,
* importing the child Element into the parent's Document if needed.
*
* Returns the first matching child element of the node if any.
*
* @param n node to check
- * @param localName local name to compare with or NULL for any match
- * @return the first matching child node of type Element, or NULL
+ * @param localName local name to compare with or nullptr for any match
+ * @return the first matching child node of type Element, or nullptr
*/
- static xercesc::DOMElement* getFirstChildElement(const xercesc::DOMNode* n, const XMLCh* localName=NULL);
+ static xercesc::DOMElement* getFirstChildElement(const xercesc::DOMNode* n, const XMLCh* localName=nullptr);
/**
* Returns the last matching child element of the node if any.
*
* @param n node to check
- * @param localName local name to compare with or NULL for any match
- * @return the last matching child node of type Element, or NULL
+ * @param localName local name to compare with or nullptr for any match
+ * @return the last matching child node of type Element, or nullptr
*/
- static xercesc::DOMElement* getLastChildElement(const xercesc::DOMNode* n, const XMLCh* localName=NULL);
+ static xercesc::DOMElement* getLastChildElement(const xercesc::DOMNode* n, const XMLCh* localName=nullptr);
/**
* Returns the next matching sibling element of the node if any.
*
* @param n node to check
- * @param localName local name to compare with or NULL for any match
- * @return the next matching sibling node of type Element, or NULL
+ * @param localName local name to compare with or nullptr for any match
+ * @return the next matching sibling node of type Element, or nullptr
*/
- static xercesc::DOMElement* getNextSiblingElement(const xercesc::DOMNode* n, const XMLCh* localName=NULL);
+ static xercesc::DOMElement* getNextSiblingElement(const xercesc::DOMNode* n, const XMLCh* localName=nullptr);
/**
* Returns the previous matching sibling element of the node if any.
*
* @param n node to check
- * @param localName local name to compare with or NULL for any match
- * @return the previous matching sibling node of type Element, or NULL
+ * @param localName local name to compare with or nullptr for any match
+ * @return the previous matching sibling node of type Element, or nullptr
*/
- static xercesc::DOMElement* getPreviousSiblingElement(const xercesc::DOMNode* n, const XMLCh* localName=NULL);
+ static xercesc::DOMElement* getPreviousSiblingElement(const xercesc::DOMNode* n, const XMLCh* localName=nullptr);
/**
* Returns the first matching child element of the node if any.
* @param n node to check
* @param ns namespace to compare with
* @param localName local name to compare with
- * @return the first matching child node of type Element, or NULL
+ * @return the first matching child node of type Element, or nullptr
*/
static xercesc::DOMElement* getFirstChildElement(const xercesc::DOMNode* n, const XMLCh* ns, const XMLCh* localName);
* @param n node to check
* @param ns namespace to compare with
* @param localName local name to compare with
- * @return the last matching child node of type Element, or NULL
+ * @return the last matching child node of type Element, or nullptr
*/
static xercesc::DOMElement* getLastChildElement(const xercesc::DOMNode* n, const XMLCh* ns, const XMLCh* localName);
* @param n node to check
* @param ns namespace to compare with
* @param localName local name to compare with
- * @return the next matching sibling node of type Element, or NULL
+ * @return the next matching sibling node of type Element, or nullptr
*/
static xercesc::DOMElement* getNextSiblingElement(const xercesc::DOMNode* n, const XMLCh* ns, const XMLCh* localName);
* @param n node to check
* @param ns namespace to compare with
* @param localName local name to compare with
- * @return the previous matching sibling node of type Element, or NULL
+ * @return the previous matching sibling node of type Element, or nullptr
*/
static xercesc::DOMElement* getPreviousSiblingElement(const xercesc::DOMNode* n, const XMLCh* ns, const XMLCh* localName);
/**
* Returns the content of the first Text node found in the element, if any.
* This is roughly similar to the DOM getTextContent function, but only
- * examples the immediate children of the element.
+ * examines the immediate children of the element.
*
* @param e element to examine
- * @return the content of the first Text node found, or NULL
+ * @return the content of the first Text node found, or nullptr
*/
static const XMLCh* getTextContent(const xercesc::DOMElement* e);
/**
+ * Returns the content of the specified attribute node as a string,
+ * or the default value, if the attribute is not present.
+ *
+ * @param e element to examine (may be nullptr)
+ * @param defValue default value to return
+ * @param localName local name of attribute
+ * @param ns namespace of attribute
+ * @return the specified attribute's value, or the specified default
+ */
+ static std::string getAttrString(
+ const xercesc::DOMElement* e, const char* defValue, const XMLCh* localName, const XMLCh* ns=nullptr
+ );
+
+ /**
+ * Returns the content of the specified attribute node as an integer,
+ * or the default value, if the attribute is not present.
+ *
+ * @param e element to examine (may be nullptr)
+ * @param defValue default value to return
+ * @param localName local name of attribute
+ * @param ns namespace of attribute
+ * @return the specified attribute's value, or the specified default
+ */
+ static int getAttrInt(
+ const xercesc::DOMElement* e, int defValue, const XMLCh* localName, const XMLCh* ns=nullptr
+ );
+
+ /**
+ * Returns the content of the specified attribute node as a boolean,
+ * or the default value, if the attribute is not present.
+ *
+ * @param e element to examine (may be nullptr)
+ * @param defValue default value to return
+ * @param localName local name of attribute
+ * @param ns namespace of attribute
+ * @return the specified attribute's value, or the specified default
+ */
+ static bool getAttrBool(
+ const xercesc::DOMElement* e, bool defValue, const XMLCh* localName, const XMLCh* ns=nullptr
+ );
+
+ /**
* Serializes the DOM node provided into a buffer using UTF-8 encoding and
* the default XML serializer available. No manipulation or formatting is applied.
*