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IDOM_Document.hpp
上传用户:huihehuasu
上传日期:2007-01-10
资源大小:6948k
文件大小:21k
源码类别:
xml/soap/webservice
开发平台:
C/C++
- #ifndef IDOM_Document_HEADER_GUARD_
- #define IDOM_Document_HEADER_GUARD_
- /*
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2001 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) 2001, International
- * Business Machines, Inc., http://www.ibm.com . For more information
- * on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
- /*
- * $Id: IDOM_Document.hpp,v 1.4 2001/06/08 21:23:03 tng Exp $
- */
- #include <util/XercesDefs.hpp>
- #include "IDOM_Node.hpp"
- class IDNodeIteratorImpl;
- class IDOM_DocumentType;
- class IDOM_Element;
- class IDOM_DocumentFragment;
- class IDOM_Comment;
- class IDOM_CDATASection;
- class IDOM_ProcessingInstruction;
- class IDOM_Attr;
- class IDOM_Entity;
- class IDOM_EntityReference;
- class IDOM_DOMImplementation;
- class IDOM_NodeFilter;
- class IDOM_NodeList;
- class IDOM_Notation;
- class IDOM_Text;
- class IDOM_Node;
- class IDOM_NodeIterator;
- class IDOM_TreeWalker;
- class IDOM_Range;
- /**
- * Class to refer to XML Document nodes in the IDOM.
- *
- * Conceptually, a IDOM document node is the root of the document tree, and provides
- * the primary access to the document's data.
- * <p>Since elements, text nodes, comments, processing instructions, etc.
- * cannot exist outside the context of a <code>Document</code>, the
- * <code>Document</code> interface also contains the factory methods needed
- * to create these objects. The <code>Node</code> objects created have a
- * <code>ownerDocument</code> attribute which associates them with the
- * <code>Document</code> within whose context they were created.
- */
- class CDOM_EXPORT IDOM_Document: public IDOM_Node {
- protected:
- /** @name Constructors and assignment operators */
- //@{
- /**
- * The default constructor for IDOM_Document creates a null
- * IDOM_Document object that refers to no document. It may subsequently be
- * assigned to refer to an actual Document node.
- *
- * To create a new document, use the DOMImplementation
- * <code> IDOM_DOMImplementation::createDocument(). </code>
- *
- */
- IDOM_Document() {};
- /**
- * Copy constructor. Creates a new <code>IDOM_Document</code> that refers to the
- * same underlying actual document as the original.
- *
- * @param other The object to be copied
- */
- IDOM_Document(const IDOM_Document &other) {};
- /**
- * Assignment operator
- *
- * @param other The object to be copied
- */
- IDOM_Document & operator = (const IDOM_Document &other) {return *this;};
- //@}
- public:
- /** @name Destructor */
- //@{
- virtual ~IDOM_Document() {};
- //@}
- /** @name Factory methods to create new nodes for the Document */
- //@{
- /**
- * Create a new entity.
- *
- * Non-standard extension.
- * @param name The name of the entity to instantiate
- *
- */
- virtual IDOM_Entity *createEntity(const XMLCh *name) = 0;
- /**
- * Creates an element of the type specified.
- *
- * Note that the instance returned
- * implements the Element interface, so attributes can be specified
- * directly on the returned object.
- * @param tagName The name of the element type to instantiate.
- * @return A <code>IDOM_Element</code> that reference the new element.
- * @exception IDOMException
- * INVALID_CHARACTER_ERR: Raised if the specified name contains an
- * illegal character.
- */
- virtual IDOM_Element *createElement(const XMLCh *tagName) = 0;
- /**
- * Creates an empty DocumentFragment object.
- *
- * @return A <code>IDOM_DocumentFragment</code> that references the newly
- * created document fragment.
- */
- virtual IDOM_DocumentFragment *createDocumentFragment() = 0;
- /**
- * Creates a Text node given the specified string.
- *
- * @param data The data for the node.
- * @return A <code>IDOM_Text</code> object that references the newly
- * created text node.
- */
- virtual IDOM_Text *createTextNode(const XMLCh *data) = 0;
- /**
- * Creates a Comment node given the specified string.
- *
- * @param data The data for the comment.
- * @return A <code>IDOM_Comment</code> that references the newly
- * created comment node.
- */
- virtual IDOM_Comment *createComment(const XMLCh *data) = 0;
- /**
- * Creates a CDATASection node whose value is the specified
- * string.
- *
- * @param data The data for the <code>IDOM_CDATASection</code> contents.
- * @return A <code>IDOM_CDATASection</code> object.
- * @exception IDOMException
- * NOT_SUPPORTED_ERR: Raised if this document is an HTML document.
- */
- virtual IDOM_CDATASection *createCDATASection(const XMLCh *data) = 0;
- /**
- * Create a DocumentType node. Non-standard extension.
- *
- * @return A <code>IDOM_DocumentType</code> that references the newly
- * created DocumentType node.
- *
- */
- virtual IDOM_DocumentType *createDocumentType(const XMLCh *name) = 0;
- /**
- * Create a Notation.
- *
- * Non-standard extension.
- *
- * @param name The name of the notation to instantiate
- * @return A <code>IDOM_Notation</code> that references the newly
- * created Notation node.
- */
- virtual IDOM_Notation *createNotation(const XMLCh *name) = 0;
- /**
- * Creates a ProcessingInstruction node given the specified
- * name and data strings.
- *
- * @param target The target part of the processing instruction.
- * @param data The data for the node.
- * @return A <code>IDOM_ProcessingInstruction</code> that references the newly
- * created PI node.
- * @exception IDOMException
- * INVALID_CHARACTER_ERR: Raised if an illegal character is specified.
- */
- virtual IDOM_ProcessingInstruction *createProcessingInstruction(const XMLCh *target,
- const XMLCh *data) = 0;
- /**
- * Creates an Attr of the given name.
- *
- * Note that the
- * <code>Attr</code> instance can then be attached to an Element
- * using the <code>IDOMElement::setAttribute()</code> method.
- * @param name The name of the attribute.
- * @return A new <CODE>IDOM_Attr</CODE>
- * object with the <CODE>nodeName</CODE> attribute set to
- * <CODE>name</CODE>, and <CODE>localName</CODE>, <CODE>prefix</CODE>,
- * and <CODE>namespaceURI</CODE> set to
- * <CODE>null</CODE>.
- * @exception IDOMException
- * INVALID_CHARACTER_ERR: Raised if the specified name contains an
- * illegal character.
- */
- virtual IDOM_Attr *createAttribute(const XMLCh *name) = 0;
- /**
- * Creates an EntityReference object.
- *
- * @param name The name of the entity to reference.
- * @return A <code>IDOM_EntityReference</code> that references the newly
- * created EntityReference node.
- * @exception IDOMException
- * INVALID_CHARACTER_ERR: Raised if the specified name contains an
- * illegal character.
- */
- virtual IDOM_EntityReference *createEntityReference(const XMLCh *name) = 0;
- /**
- * Creates a NodeIterator object. (IDOM2)
- *
- * NodeIterators are used to step through a set of nodes, e.g. the set of nodes in a NodeList, the
- * document subtree governed by a particular node, the results of a query, or any other set of nodes.
- * The set of nodes to be iterated is determined by the implementation of the NodeIterator. IDOM Level 2
- * specifies a single NodeIterator implementation for document-order traversal of a document subtree.
- * Instances of these iterators are created by calling <code>DocumentTraversal.createNodeIterator()</code>.
- *
- * To produce a view of the document that has entity references expanded and does not
- * expose the entity reference node itself, use the <code>whatToShow</code> flags to hide the entity
- * reference node and set expandEntityReferences to true when creating the iterator. To
- * produce a view of the document that has entity reference nodes but no entity expansion,
- * use the <code>whatToShow</code> flags to show the entity reference node and set
- * expandEntityReferences to false.
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param root The root node of the IDOM tree
- * @param whatToShow This attribute determines which node types are presented via the iterator.
- * @param filter The filter used to screen nodes
- * @param entityReferenceExpansion The value of this flag determines whether the children of entity reference nodes are
- * visible to the iterator. If false, they will be skipped over.
- */
- virtual IDOM_NodeIterator *createNodeIterator(IDOM_Node *root,
- unsigned long whatToShow,
- IDOM_NodeFilter* filter,
- bool entityReferenceExpansion) = 0;
- /**
- * Creates a TreeWalker object. (IDOM2)
- *
- * TreeWalker objects are used to navigate a document tree or subtree using the view of the document defined
- * by its whatToShow flags and any filters that are defined for the TreeWalker. Any function which performs
- * navigation using a TreeWalker will automatically support any view defined by a TreeWalker.
- *
- * Omitting nodes from the logical view of a subtree can result in a structure that is substantially different from
- * the same subtree in the complete, unfiltered document. Nodes that are siblings in the TreeWalker view may
- * be children of different, widely separated nodes in the original view. For instance, consider a Filter that skips
- * all nodes except for Text nodes and the root node of a document. In the logical view that results, all text
- * nodes will be siblings and appear as direct children of the root node, no matter how deeply nested the
- * structure of the original document.
- *
- * To produce a view of the document that has entity references expanded
- * and does not expose the entity reference node itself, use the whatToShow
- * flags to hide the entity reference node and set <code>expandEntityReferences</code> to
- * true when creating the TreeWalker. To produce a view of the document
- * that has entity reference nodes but no entity expansion, use the
- * <code>whatToShow</code> flags to show the entity reference node and set
- * <code>expandEntityReferences</code> to false
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param root The root node of the IDOM tree
- * @param whatToShow This attribute determines which node types are presented via the tree-walker.
- * @param filter The filter used to screen nodes
- * @param entityReferenceExpansion The value of this flag determines whether the children of entity reference nodes are
- * visible to the tree-walker. If false, they will be skipped over.
- */
- virtual IDOM_TreeWalker *createTreeWalker(IDOM_Node *root,
- unsigned long whatToShow,
- IDOM_NodeFilter *filter,
- bool entityReferenceExpansion) = 0;
- /**
- * To create the range consisting of boundary-points and offset of the
- * selected contents
- *
- * @return The initial state of the Range such that both the boundary-points
- * are positioned at the beginning of the corresponding IDOM_DOcument, before
- * any content. The range returned can only be used to select content
- * associated with this document, or with documentFragments and Attrs for
- * which this document is the ownerdocument
- */
- virtual IDOM_Range *createRange() = 0;
- //@}
- /** @name Getter functions */
- //@{
- /**
- * Get Document Type Declaration (see <code>IDOM_DocumentType</code>) associated
- * with this document.
- *
- * For documents without
- * a document type declaration this returns <code>null</code> reference object. The IDOM Level
- * 1 does not support editing the Document Type Declaration, therefore
- * <code>docType</code> cannot be altered in any way.
- */
- virtual IDOM_DocumentType *getDoctype() const = 0;
- /**
- * Return the <code>IDOMImplementation</code> object that handles this document.
- */
- virtual IDOM_DOMImplementation *getImplementation() const = 0;
- /**
- * Return a reference to the root element of the document.
- */
- virtual IDOM_Element *getDocumentElement() const = 0;
- /**
- * Returns a <code>IDOM_NodeList</code> of all the elements with a
- * given tag name. The returned node list is "live", in that changes
- * to the document tree made after a nodelist was initially
- * returned will be immediately reflected in the node list.
- *
- * The elements in the node list are ordered in the same order in which they
- * would be encountered in a
- * preorder traversal of the <code>Document</code> tree.
- * @param tagname The name of the tag to match on. The special value "*"
- * matches all tags.
- * @return A reference to a NodeList containing all the matched
- * <code>Element</code>s.
- */
- virtual IDOM_NodeList *getElementsByTagName(const XMLCh *tagname) const = 0;
- //@}
- /** @name Functions introduced in IDOM Level 2. */
- //@{
- /**
- * Imports a node from another document to this document.
- * The returned node has no parent (<CODE>parentNode</CODE> is
- * <CODE>null</CODE>). The source node is not altered or removed from the
- * original document; this method creates a new copy of the source
- * node.<BR>For all nodes, importing a node creates a node object owned by
- * the importing document, with attribute values identical to the source
- * node's <CODE>nodeName</CODE> and <CODE>nodeType</CODE>, plus the
- * attributes related to namespaces (prefix and namespaces URI).
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param importedNode The node to import.
- * @param deep If <CODE>true</CODE>, recursively import the subtree under the
- * specified node; if <CODE>false</CODE>, import only the node itself,
- * as explained above. This does not apply to <CODE>IDOM_Attr</CODE>,
- * <CODE>IDOM_EntityReference</CODE>, and <CODE>IDOM_Notation</CODE> nodes.
- * @return The imported node that belongs to this <CODE>IDOM_Document</CODE>.
- * @exception IDOMException
- * NOT_SUPPORTED_ERR: Raised if the type of node being imported is
- * not supported.
- */
- virtual IDOM_Node *importNode(IDOM_Node *importedNode, bool deep) = 0;
- /**
- * Creates an element of the given qualified name and
- * namespace URI.
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param namespaceURI The <em>namespace URI</em> of
- * the element to create.
- * @param qualifiedName The <em>qualified name</em>
- * of the element type to instantiate.
- * @return A new <code>IDOM_Element</code> object.
- * @exception IDOMException
- * INVALID_CHARACTER_ERR: Raised if the specified qualified name contains
- * an illegal character.
- * <br>
- * NAMESPACE_ERR: Raised if the <CODE>qualifiedName</CODE> is
- * malformed, if the <CODE>qualifiedName</CODE> has a prefix and the
- * <CODE>namespaceURI</CODE> is <CODE>null</CODE> or an empty string,
- * or if the <CODE>qualifiedName</CODE> has a prefix that is "xml" and
- * the <CODE>namespaceURI</CODE> is different from
- * "http://www.w3.org/XML/1998/namespace".
- */
- virtual IDOM_Element *createElementNS(const XMLCh *namespaceURI,
- const XMLCh *qualifiedName) = 0;
- /**
- * Creates an attribute of the given qualified name and namespace
- * URI.
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param namespaceURI The <em>namespace URI</em> of
- * the attribute to create.
- * @param qualifiedName The <em>qualified name</em>
- * of the attribute to instantiate.
- * @return A new <code>IDOM_Attr</code> object.
- * @exception IDOMException
- * INVALID_CHARACTER_ERR: Raised if the specified qualified name contains
- * an illegal character.
- * <br>
- * NAMESPACE_ERR: Raised if the <CODE>qualifiedName</CODE> is
- * malformed, if the <CODE>qualifiedName</CODE> has a prefix and the
- * <CODE>namespaceURI</CODE> is <CODE>null</CODE> or an empty string,
- * if the <CODE>qualifiedName</CODE> has a prefix that is "xml" and the
- * <CODE>namespaceURI</CODE> is different from
- * "http://www.w3.org/XML/1998/namespace", if the
- * <CODE>qualifiedName</CODE> has a prefix that is "xmlns" and the
- * <CODE>namespaceURI</CODE> is different from
- * "http://www.w3.org/2000/xmlns/", or if the
- * <CODE>qualifiedName</CODE> is "xmlns" and the
- * <CODE>namespaceURI</CODE> is different from
- * "http://www.w3.org/2000/xmlns/".
- */
- virtual IDOM_Attr *createAttributeNS(const XMLCh *namespaceURI,
- const XMLCh *qualifiedName) = 0;
- /**
- * Returns a <code>IDOM_NodeList</code> of all the <code>IDOM_Element</code>s
- * with a given <em>local name</em> and
- * namespace URI in the order in which they would be encountered in a
- * preorder traversal of the <code>IDOM_Document</code> tree.
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param namespaceURI The <em>namespace URI</em> of
- * the elements to match on. The special value "*" matches all
- * namespaces.
- * @param localName The <em>local name</em> of the
- * elements to match on. The special value "*" matches all local names.
- * @return A new <code>IDOM_NodeList</code> object containing all the matched
- * <code>IDOM_Element</code>s.
- */
- virtual IDOM_NodeList *getElementsByTagNameNS(const XMLCh *namespaceURI,
- const XMLCh *localName) const = 0;
- /**
- * Returns the <code>IDOM_Element</code> whose ID is given by <code>elementId</code>.
- * If no such element exists, returns <code>null</code>.
- * Behavior is not defined if more than one element has this <code>ID</code>.
- * <P><B>Note:</B> The IDOM implementation must have information that says
- * which attributes are of type ID. Attributes with the name "ID" are not of
- * type ID unless so defined. Implementations that do not know whether
- * attributes are of type ID or not are expected to return
- * <CODE>null</CODE>.</P>
- *
- * <p><b>"Experimental - subject to change"</b></p>
- *
- * @param elementId The unique <code>id</code> value for an element.
- * @return The matching element.
- */
- virtual IDOM_Element * getElementById(const XMLCh *elementId) const = 0;
- //@}
- protected:
- friend class IDOM_Node;
- friend class DocumentImpl;
- friend class NodeIteratorImpl;
- friend class IDOM_IDOMImplementation;
- };
- #endif