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/*
* libjingle
* Copyright 2004--2005, Google Inc.
*
* 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 name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 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 AUTHOR 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.
*/
#ifndef _xmlnsstack_h_
#define _xmlnsstack_h_
#include <string>
#include "talk/base/scoped_ptr.h"
#include "talk/base/stl_decl.h"
#include "talk/xmllite/qname.h"
namespace buzz {
class XmlnsStack {
public:
XmlnsStack();
~XmlnsStack();
void AddXmlns(const std::string & prefix, const std::string & ns);
void RemoveXmlns();
void PushFrame();
void PopFrame();
void Reset();
const std::string * NsForPrefix(const std::string & prefix);
bool PrefixMatchesNs(const std::string & prefix, const std::string & ns);
std::pair<std::string, bool> PrefixForNs(const std::string & ns, bool isAttr);
std::pair<std::string, bool> AddNewPrefix(const std::string & ns, bool isAttr);
std::string FormatQName(const QName & name, bool isAttr);
private:
scoped_ptr<std::vector<std::string, std::allocator<std::string> > > pxmlnsStack_;
scoped_ptr<std::vector<size_t, std::allocator<size_t> > > pxmlnsDepthStack_;
};
}
#endif
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