48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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//
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// scoped_ptr alias for libxml2 objects. Deleters for the objects are also
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// defined in this file.
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#ifndef MPD_BASE_XML_SCOPED_XML_PTR_H_
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#define MPD_BASE_XML_SCOPED_XML_PTR_H_
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#include <libxml/tree.h>
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#include <libxml/xmlschemas.h>
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#include "packager/base/memory/scoped_ptr.h"
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namespace edash_packager {
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namespace xml {
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/// Deleter functor for deleting libxml2 pointers. This is used with
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/// ScopedXmlPtr.
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struct XmlDeleter {
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// Called by scoped_ptr. http://goo.gl/YaLbcS
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inline void operator()(xmlSchemaParserCtxtPtr ptr) const {
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xmlSchemaFreeParserCtxt(ptr);
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}
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inline void operator()(xmlSchemaValidCtxtPtr ptr) const {
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xmlSchemaFreeValidCtxt(ptr);
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}
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inline void operator()(xmlSchemaPtr ptr) const { xmlSchemaFree(ptr); }
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inline void operator()(xmlNodePtr ptr) const { xmlFreeNode(ptr); }
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inline void operator()(xmlDocPtr ptr) const { xmlFreeDoc(ptr); }
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inline void operator()(xmlChar* ptr) const { xmlFree(ptr); }
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};
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// C++11 allows template alias but standards before it do not. This struct is
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// for aliasing scoped_ptr with libxml2 object deleter.
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/// scoped_ptr for libxml2 resources.
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template <typename XmlType>
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struct ScopedXmlPtr {
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typedef scoped_ptr<XmlType, XmlDeleter> type;
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};
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} // namespace xml
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} // namespace edash_packager
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#endif // MPD_BASE_XML_SCOPED_XML_PTR_H_
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