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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDED_ORCUS_XML_WRITER_HPP
#define INCLUDED_ORCUS_XML_WRITER_HPP
#include "orcus/types.hpp"
#include <memory>
namespace orcus {
class xmlns_repository;
/**
* This class lets you produce XML contents from scratch. It writes its
* content to any object supporting the std::ostream interface.
*/
class ORCUS_PSR_DLLPUBLIC xml_writer
{
struct impl;
std::unique_ptr<impl> mp_impl;
void close_current_element();
void pop_elements();
public:
class ORCUS_PSR_DLLPUBLIC scope
{
friend class xml_writer;
struct impl;
std::unique_ptr<impl> mp_impl;
scope(xml_writer* parent, const xml_name_t& name);
public:
scope(const scope&) = delete;
scope(scope&& other);
~scope();
scope& operator= (scope&& other);
};
xml_writer(const xml_writer&) = delete;
xml_writer& operator= (const xml_writer&) = delete;
xml_writer(xmlns_repository& ns_repo, std::ostream& os);
xml_writer(xml_writer&& other);
xml_writer& operator= (xml_writer&& other);
/**
* Destructor. Any remaining element(s) on the stack will get popped when
* the destructor is called.
*/
~xml_writer();
/**
* Push a new element to the stack, and write an opening element to the
* output stream. It differs from the {@link push_element} method in that
* the new element will be automatically popped when the returned object
* goes out of scope.
*
* @param name name of the new element.
*
* @return scope object which automatically pops the element when it goes
* out of scope.
*/
scope push_element_scope(const xml_name_t& name);
/**
* Push a new element to the stack, and write an opening element to the
* output stream.
*
* @param name name of the element.
*/
void push_element(const xml_name_t& name);
/**
* Add a namespace definition for the next element to be pushed.
*
* @param alias alias for the namespace.
* @param value value of the namespace definition.
*
* @return ID for the namespace being added.
*/
xmlns_id_t add_namespace(std::string_view alias, std::string_view value);
/**
* Add a new attribute for the next element to be pushed.
*
* @param name name of the attribute to be added.
* @param value value of the attribute to be added.
*/
void add_attribute(const xml_name_t& name, std::string_view value);
/**
* Add a content to the current element on the stack. The content will be
* properly encoded.
*
* @param content content to be added to the current element.
*/
void add_content(std::string_view content);
/**
* Pop the current element from the stack, and write a closing element to
* the output stream.
*
* @return the name of the element being popped.
*/
xml_name_t pop_element();
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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