xml_namespace.hpp

/* -*- 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_NAMESPACE_MANAGER_HPP
#define INCLUDED_ORCUS_XML_NAMESPACE_MANAGER_HPP
 
#include "types.hpp"
 
#include <ostream>
#include <memory>
 
namespace orcus {
 
class xmlns_context;
struct xmlns_repository_impl;
struct xmlns_context_impl;

class ORCUS_PSR_DLLPUBLIC xmlns_repository
{
    friend class xmlns_context;
 
    struct impl;
    std::unique_ptr<impl> mp_impl;
 
    xmlns_id_t intern(std::string_view uri);
 
    size_t get_index(xmlns_id_t ns_id) const;
 
public:
    xmlns_repository(const xmlns_repository&) = delete;
    xmlns_repository& operator= (const xmlns_repository&) = delete;
 
    xmlns_repository();
    xmlns_repository(xmlns_repository&& other);
    ~xmlns_repository();
 
    xmlns_repository& operator= (xmlns_repository&&);

    void add_predefined_values(const xmlns_id_t* predefined_ns);

    xmlns_context create_context();

    xmlns_id_t get_identifier(size_t index) const;

    std::string get_short_name(xmlns_id_t ns_id) const;
};

class ORCUS_PSR_DLLPUBLIC xmlns_context
{
    friend class xmlns_repository;
 
    struct impl;
    std::unique_ptr<impl> mp_impl;
 
    xmlns_context(xmlns_repository& repo);
public:
    xmlns_context();
    xmlns_context(xmlns_context&&);
    xmlns_context(const xmlns_context& r);
    ~xmlns_context();
 
    xmlns_context& operator= (const xmlns_context& r);
    xmlns_context& operator= (xmlns_context&& r);

    xmlns_id_t push(std::string_view alias, std::string_view uri);

    void pop(std::string_view alias);

    xmlns_id_t get(std::string_view alias) const;

    size_t get_index(xmlns_id_t ns_id) const;

    std::string get_short_name(xmlns_id_t ns_id) const;

    std::string_view get_alias(xmlns_id_t ns_id) const;
 
    std::vector<xmlns_id_t> get_all_namespaces() const;
 
    void dump(std::ostream& os) const;

    void dump_state(std::ostream& os) const;
 
    void swap(xmlns_context& other) noexcept;
};
 
}
 
#endif
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