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git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1364@984 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
269 lines
8.2 KiB
C++
269 lines
8.2 KiB
C++
// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file must follow a specific format in order to
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// support the CEF translator tool. See the translator.README.txt file in the
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// tools directory for more information.
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//
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#ifndef CEF_INCLUDE_CEF_XML_READER_H_
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#define CEF_INCLUDE_CEF_XML_READER_H_
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#pragma once
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#include "include/cef_base.h"
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#include "include/cef_stream.h"
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///
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// Class that supports the reading of XML data via the libxml streaming API.
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// The methods of this class should only be called on the thread that creates
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// the object.
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///
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/*--cef(source=library)--*/
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class CefXmlReader : public virtual CefBase {
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public:
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typedef cef_xml_encoding_type_t EncodingType;
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typedef cef_xml_node_type_t NodeType;
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///
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// Create a new CefXmlReader object. The returned object's methods can only
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// be called from the thread that created the object.
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///
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/*--cef()--*/
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static CefRefPtr<CefXmlReader> Create(CefRefPtr<CefStreamReader> stream,
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EncodingType encodingType,
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const CefString& URI);
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///
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// Moves the cursor to the next node in the document. This method must be
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// called at least once to set the current cursor position. Returns true if
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// the cursor position was set successfully.
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///
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/*--cef()--*/
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virtual bool MoveToNextNode() =0;
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///
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// Close the document. This should be called directly to ensure that cleanup
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// occurs on the correct thread.
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///
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/*--cef()--*/
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virtual bool Close() =0;
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///
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// Returns true if an error has been reported by the XML parser.
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///
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/*--cef()--*/
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virtual bool HasError() =0;
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///
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// Returns the error string.
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///
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/*--cef()--*/
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virtual CefString GetError() =0;
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// The below methods retrieve data for the node at the current cursor
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// position.
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///
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// Returns the node type.
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///
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/*--cef(default_retval=XML_NODE_UNSUPPORTED)--*/
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virtual NodeType GetType() =0;
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///
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// Returns the node depth. Depth starts at 0 for the root node.
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///
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/*--cef()--*/
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virtual int GetDepth() =0;
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///
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// Returns the local name. See
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// http://www.w3.org/TR/REC-xml-names/#NT-LocalPart for additional details.
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///
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/*--cef()--*/
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virtual CefString GetLocalName() =0;
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///
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// Returns the namespace prefix. See http://www.w3.org/TR/REC-xml-names/ for
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// additional details.
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///
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/*--cef()--*/
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virtual CefString GetPrefix() =0;
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///
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// Returns the qualified name, equal to (Prefix:)LocalName. See
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// http://www.w3.org/TR/REC-xml-names/#ns-qualnames for additional details.
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///
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/*--cef()--*/
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virtual CefString GetQualifiedName() =0;
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///
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// Returns the URI defining the namespace associated with the node. See
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// http://www.w3.org/TR/REC-xml-names/ for additional details.
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///
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/*--cef()--*/
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virtual CefString GetNamespaceURI() =0;
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///
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// Returns the base URI of the node. See http://www.w3.org/TR/xmlbase/ for
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// additional details.
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///
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/*--cef()--*/
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virtual CefString GetBaseURI() =0;
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///
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// Returns the xml:lang scope within which the node resides. See
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// http://www.w3.org/TR/REC-xml/#sec-lang-tag for additional details.
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///
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/*--cef()--*/
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virtual CefString GetXmlLang() =0;
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///
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// Returns true if the node represents an empty element. <a/> is considered
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// empty but <a></a> is not.
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///
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/*--cef()--*/
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virtual bool IsEmptyElement() =0;
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///
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// Returns true if the node has a text value.
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///
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/*--cef()--*/
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virtual bool HasValue() =0;
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///
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// Returns the text value.
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///
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/*--cef()--*/
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virtual CefString GetValue() =0;
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///
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// Returns true if the node has attributes.
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///
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/*--cef()--*/
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virtual bool HasAttributes() =0;
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///
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// Returns the number of attributes.
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///
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/*--cef()--*/
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virtual size_t GetAttributeCount() =0;
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///
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// Returns the value of the attribute at the specified 0-based index.
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///
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/*--cef(capi_name=get_attribute_byindex,index_param=index)--*/
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virtual CefString GetAttribute(int index) =0;
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///
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// Returns the value of the attribute with the specified qualified name.
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///
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/*--cef(capi_name=get_attribute_byqname)--*/
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virtual CefString GetAttribute(const CefString& qualifiedName) =0;
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///
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// Returns the value of the attribute with the specified local name and
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// namespace URI.
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///
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/*--cef(capi_name=get_attribute_bylname)--*/
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virtual CefString GetAttribute(const CefString& localName,
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const CefString& namespaceURI) =0;
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///
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// Returns an XML representation of the current node's children.
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///
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/*--cef()--*/
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virtual CefString GetInnerXml() =0;
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///
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// Returns an XML representation of the current node including its children.
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///
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/*--cef()--*/
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virtual CefString GetOuterXml() =0;
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///
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// Returns the line number for the current node.
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///
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/*--cef()--*/
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virtual int GetLineNumber() =0;
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// Attribute nodes are not traversed by default. The below methods can be
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// used to move the cursor to an attribute node. MoveToCarryingElement() can
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// be called afterwards to return the cursor to the carrying element. The
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// depth of an attribute node will be 1 + the depth of the carrying element.
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///
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// Moves the cursor to the attribute at the specified 0-based index. Returns
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// true if the cursor position was set successfully.
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///
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/*--cef(capi_name=move_to_attribute_byindex,index_param=index)--*/
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virtual bool MoveToAttribute(int index) =0;
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///
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// Moves the cursor to the attribute with the specified qualified name.
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// Returns true if the cursor position was set successfully.
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///
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/*--cef(capi_name=move_to_attribute_byqname)--*/
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virtual bool MoveToAttribute(const CefString& qualifiedName) =0;
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///
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// Moves the cursor to the attribute with the specified local name and
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// namespace URI. Returns true if the cursor position was set successfully.
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///
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/*--cef(capi_name=move_to_attribute_bylname)--*/
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virtual bool MoveToAttribute(const CefString& localName,
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const CefString& namespaceURI) =0;
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///
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// Moves the cursor to the first attribute in the current element. Returns
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// true if the cursor position was set successfully.
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///
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/*--cef()--*/
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virtual bool MoveToFirstAttribute() =0;
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///
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// Moves the cursor to the next attribute in the current element. Returns
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// true if the cursor position was set successfully.
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///
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/*--cef()--*/
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virtual bool MoveToNextAttribute() =0;
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///
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// Moves the cursor back to the carrying element. Returns true if the cursor
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// position was set successfully.
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///
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/*--cef()--*/
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virtual bool MoveToCarryingElement() =0;
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};
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#endif // CEF_INCLUDE_CEF_XML_READER_H_
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