
.. _program_listing_file_cif++_file.hpp:

Program Listing for File file.hpp
=================================

|exhale_lsh| :ref:`Return to documentation for file <file_cif++_file.hpp>` (``cif++/file.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*-
    * SPDX-License-Identifier: BSD-2-Clause
    *
    * Copyright (c) 2022 NKI/AVL, Netherlands Cancer Institute
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions are met:
    *
    * 1. Redistributions of source code must retain the above copyright notice, this
    *    list of conditions and the following disclaimer
    * 2. Redistributions in binary form must reproduce the above copyright notice,
    *    this list of conditions and the following disclaimer in the documentation
    *    and/or other materials provided with the distribution.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
    * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
    * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    */
   
   #pragma once
   
   #include <list>
   
   #include "cif++/datablock.hpp"
   #include "cif++/parser.hpp"
   
   namespace cif
   {
   
   // --------------------------------------------------------------------
   
   class file : public std::list<datablock>
   {
     public:
       file() = default;
   
       explicit file(const std::filesystem::path &p)
       {
           load(p);
       }
   
       explicit file(std::istream &is)
       {
           load(is);
       }
   
       explicit file(const char *data, std::size_t length)
       {
           struct membuf : public std::streambuf
           {
               membuf(char *text, std::size_t length)
               {
                   this->setg(text, text, text + length);
               }
           } buffer(const_cast<char *>(data), length);
   
           std::istream is(&buffer);
           load(is);
       }
   
       file(const file &rhs)
           : std::list<datablock>(rhs)
       {
       }
   
       file(file &&rhs)
       {
           this->swap(rhs);
       }
   
       file &operator=(file f)
       {
           this->swap(f);
           return *this;
       }
   
       bool is_valid() const;
   
       bool is_valid();
   
       bool validate_links() const;
   
       bool contains(std::string_view name) const;
   
       datablock &front()
       {
           assert(not empty());
           return std::list<datablock>::front();
       }
   
       const datablock &front() const
       {
           assert(not empty());
           return std::list<datablock>::front();
       }
   
       datablock &operator[](std::string_view name);
   
       const datablock &operator[](std::string_view name) const;
   
       std::tuple<iterator, bool> emplace(std::string_view name);
   
       void load(const std::filesystem::path &p);
   
       void load(std::istream &is);
   
       void load(const std::filesystem::path &p, const validator &v);
   
       void load(std::istream &is, const validator &v);
   
       void save(const std::filesystem::path &p) const;
   
       void save(std::ostream &os) const;
   
       friend std::ostream &operator<<(std::ostream &os, const file &f)
       {
           f.save(os);
           return os;
       }
   };
   
   } // namespace cif
