NodeContainerImpl.h
上传用户:zhuqijet
上传日期:2013-06-25
资源大小:10074k
文件大小:6k
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 1999-2000 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 "Xerces" 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: NodeContainerImpl.h,v 1.1.1.1 2002/02/01 22:21:40 peiyongz Exp $
- */
- #ifndef ___nodecontainerimpl_h___
- #define ___nodecontainerimpl_h___
- template <class T>
- class NodeContainerImpl
- {
- public:
- class iterator
- {
- public:
- iterator()
- :m_container()
- ,m_NextNodeIndex(0)
- ,m_pIXMLDOMDocument(NULL)
- {
- VariantInit(&m_NextVar);
- V_VT(&m_NextVar) = VT_NULL;
- }
- iterator(const T& container,int idx,IXMLDOMDocument *p)
- :m_container(container)
- ,m_NextNodeIndex(idx)
- ,m_pIXMLDOMDocument(p)
- {
- VariantInit(&m_NextVar);
- V_VT(&m_NextVar) = VT_NULL;
- if (m_pIXMLDOMDocument != NULL)
- m_pIXMLDOMDocument->AddRef();
- }
- ~iterator()
- {
- VariantClear(&m_NextVar);
- if (m_pIXMLDOMDocument != NULL)
- m_pIXMLDOMDocument->Release();
- }
-
- bool operator !=(const iterator& rhs)
- {
- return (m_NextNodeIndex != rhs.m_NextNodeIndex);
- }
-
- iterator& operator=(const iterator& rhs)
- {
- if (this != &rhs) {
- if (m_pIXMLDOMDocument != NULL) {
- m_pIXMLDOMDocument->Release() ;
- m_pIXMLDOMDocument = NULL ;
- }
- m_container = rhs.m_container ;
- m_NextNodeIndex = rhs.m_NextNodeIndex ;
- m_NextVar = rhs.m_NextVar ;
- m_pIXMLDOMDocument = rhs.m_pIXMLDOMDocument ;
- if (m_pIXMLDOMDocument != NULL) {
- m_pIXMLDOMDocument->AddRef() ;
- }
- }
- return *this ;
- }
- VARIANT& operator*()
- {
- if (m_container == 0)
- return m_NextVar;
- int length = m_container.getLength();
- if (m_NextNodeIndex >= length)
- return m_NextVar;
-
- CComPtr<IXMLDOMNode> pNode;
- HRESULT hr = wrapNode(m_pIXMLDOMDocument,m_container.item(m_NextNodeIndex),IID_IXMLDOMNode, reinterpret_cast<LPVOID *> (&pNode));
- if (S_OK == hr) {
- CComQIPtr<IDispatch,&IID_IDispatch> pDisp(pNode);
- if (pNode) {
- VariantClear(&m_NextVar);
- V_VT(&m_NextVar) = VT_DISPATCH;
- V_DISPATCH(&m_NextVar) = pDisp.Detach();
- }
- }
- return m_NextVar;
- }
-
- iterator operator++(int)
- {
- return iterator(m_container,m_NextNodeIndex++,m_pIXMLDOMDocument);
- }
-
- private:
- T m_container;
- int m_NextNodeIndex;
- IXMLDOMDocument *m_pIXMLDOMDocument;
- VARIANT m_NextVar;
- };
- NodeContainerImpl()
- :m_NextNodeIndex(0)
- ,m_pIXMLDOMDocument(NULL)
- {}
- iterator begin()
- {
- return iterator(m_container,0,m_pIXMLDOMDocument);
- }
-
- iterator end()
- {
- if (m_container == 0)
- return iterator(m_container,0,m_pIXMLDOMDocument);
- else
- return iterator(m_container,m_container.getLength(),m_pIXMLDOMDocument);
- }
-
- void SetOwnerDoc(IXMLDOMDocument *p)
- {
- m_pIXMLDOMDocument = p;
- if (m_pIXMLDOMDocument != NULL)
- m_pIXMLDOMDocument->AddRef();
- }
- T m_container;
- protected:
- int m_NextNodeIndex;
- IXMLDOMDocument *m_pIXMLDOMDocument;
- void ReleaseOwnerDoc()
- {
- if (m_pIXMLDOMDocument != NULL) {
- m_pIXMLDOMDocument->Release();
- m_pIXMLDOMDocument = NULL;
- }
- }
- };
- #endif // ___nodecontainerimpl_h___