mirror of
https://github.com/pocoproject/poco.git
synced 2024-12-26 19:22:34 +01:00
108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
//
|
|
// EntityResolverImpl.h
|
|
//
|
|
// $Id: //poco/1.1.0/XML/include/SAX/EntityResolverImpl.h#2 $
|
|
//
|
|
// Library: XML
|
|
// Package: SAX
|
|
// Module: SAX
|
|
//
|
|
// An implementation of EntityResolver.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person or organization
|
|
// obtaining a copy of the software and accompanying documentation covered by
|
|
// this license (the "Software") to use, reproduce, display, distribute,
|
|
// execute, and transmit the Software, and to prepare derivative works of the
|
|
// Software, and to permit third-parties to whom the Software is furnished to
|
|
// do so, all subject to the following:
|
|
//
|
|
// The copyright notices in the Software and this entire statement, including
|
|
// the above license grant, this restriction and the following disclaimer,
|
|
// must be included in all copies of the Software, in whole or in part, and
|
|
// all derivative works of the Software, unless such copies or derivative
|
|
// works are solely in the form of machine-executable object code generated by
|
|
// a source language processor.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
|
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
|
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
|
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
//
|
|
|
|
|
|
#ifndef SAX_EntityResolverImpl_INCLUDED
|
|
#define SAX_EntityResolverImpl_INCLUDED
|
|
|
|
|
|
#ifndef XML_XML_INCLUDED
|
|
#include "XML/XML.h"
|
|
#endif
|
|
#ifndef XML_XMLString_INCLUDED
|
|
#include "XML/XMLString.h"
|
|
#endif
|
|
#ifndef SAX_EntityResolver_INCLUDED
|
|
#include "SAX/EntityResolver.h"
|
|
#endif
|
|
#ifndef Foundation_URIStreamOpener_INCLUDED
|
|
#include "Foundation/URIStreamOpener.h"
|
|
#endif
|
|
|
|
|
|
XML_BEGIN
|
|
|
|
|
|
class XML_API EntityResolverImpl: public EntityResolver
|
|
/// A default implementation of the EntityResolver interface.
|
|
///
|
|
/// The system ID is first interpreted as an URI and the
|
|
/// URIStreamOpener is used to create and open an istream
|
|
/// for an InputSource.
|
|
///
|
|
/// If the system ID is not a valid URI, it is
|
|
/// interpreted as a filesystem path and a ifstream
|
|
/// is opened for it.
|
|
{
|
|
public:
|
|
EntityResolverImpl();
|
|
/// Creates an EntityResolverImpl that uses the default
|
|
/// URIStreamOpener.
|
|
|
|
EntityResolverImpl(const Foundation::URIStreamOpener& opener);
|
|
/// Creates an EntityResolverImpl that uses the given
|
|
/// URIStreamOpener.
|
|
|
|
~EntityResolverImpl();
|
|
/// Destroys the EntityResolverImpl.
|
|
|
|
InputSource* resolveEntity(const XMLString* publicId, const XMLString& systemId);
|
|
/// Tries to use the URIStreamOpener to create and open an istream
|
|
/// for the given systemId, which is interpreted as an URI.
|
|
///
|
|
/// If the systemId is not a valid URI, it is interpreted as
|
|
/// a local filesystem path and an ifstream is opened for it.
|
|
|
|
void releaseInputSource(InputSource* pSource);
|
|
/// Deletes the InputSource's stream.
|
|
|
|
protected:
|
|
std::istream* resolveSystemId(const XMLString& systemId);
|
|
|
|
private:
|
|
EntityResolverImpl(const EntityResolverImpl&);
|
|
EntityResolverImpl& operator = (const EntityResolverImpl&);
|
|
|
|
const Foundation::URIStreamOpener& _opener;
|
|
};
|
|
|
|
|
|
XML_END
|
|
|
|
|
|
#endif // SAX_EntityResolverImpl_INCLUDED
|