scoped_xml_ptr.h

// Copyright 2014 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
//
// unique_ptr alias for libxml2 objects. Deleters for the objects are also
// defined in this file.
 
#ifndef MPD_BASE_XML_SCOPED_XML_PTR_H_
#define MPD_BASE_XML_SCOPED_XML_PTR_H_
 
#include <memory>
 
#include <libxml/tree.h>
#include <libxml/xmlIO.h>
#include <libxml/xmlmemory.h>
#include <libxml/xmlschemas.h>
#include <libxml/xmlstring.h>
 
namespace shaka {
namespace xml {
 
struct XmlDeleter {
  // Called by std::unique_ptr.
  inline void operator()(xmlSchemaParserCtxtPtr ptr) const {
    xmlSchemaFreeParserCtxt(ptr);
  }
  inline void operator()(xmlSchemaValidCtxtPtr ptr) const {
    xmlSchemaFreeValidCtxt(ptr);
  }
  inline void operator()(xmlOutputBufferPtr ptr) const {
    xmlOutputBufferClose(ptr);
  }
  inline void operator()(xmlSchemaPtr ptr) const { xmlSchemaFree(ptr); }
  inline void operator()(xmlNodePtr ptr) const { xmlFreeNode(ptr); }
  inline void operator()(xmlDocPtr ptr) const { xmlFreeDoc(ptr); }
  inline void operator()(xmlChar* ptr) const { xmlFree(ptr); }
};
 
template <typename XmlType>
using scoped_xml_ptr = std::unique_ptr<XmlType, XmlDeleter>;
 
}  // namespace xml
}  // namespace shaka
 
#endif  // MPD_BASE_XML_SCOPED_XML_PTR_H_