tree/formats/newick/writer.hpp

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#ifndef GENESIS_TREE_FORMATS_NEWICK_WRITER_H_
#define GENESIS_TREE_FORMATS_NEWICK_WRITER_H_

/*
    Genesis - A toolkit for working with phylogenetic data.
    Copyright (C) 2014-2018 Lucas Czech and HITS gGmbH

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    Contact:
    Lucas Czech <lucas.czech@h-its.org>
    Exelixis Lab, Heidelberg Institute for Theoretical Studies
    Schloss-Wolfsbrunnenweg 35, D-69118 Heidelberg, Germany
*/

#include <iosfwd>
#include <functional>
#include <string>
#include <vector>

namespace genesis {
namespace tree {

// =================================================================================================
//     Forward declarations
// =================================================================================================

class  Tree;
class  TreeNode;
class  TreeEdge;
class  TreeSet;

class  NewickBroker;
struct NewickBrokerElement;

// =================================================================================================
//     Newick Writer
// =================================================================================================

class NewickWriter
{
public:

    // -------------------------------------------------------------------------
    //     Typedefs and Enums
    // -------------------------------------------------------------------------

    using prepare_writing_function = std::function< void(
        Tree const& tree, NewickBroker& broker
    ) >;

    using finish_writing_function = std::function< void(
        Tree const& tree, NewickBroker& broker
    ) >;

    using node_to_element_function = std::function< void(
        TreeNode const& node, NewickBrokerElement& element
    ) >;

    using edge_to_element_function = std::function< void(
        TreeEdge const& edge, NewickBrokerElement& element
    ) >;

    // -------------------------------------------------------------------------
    //     Constructor and Rule of Five
    // -------------------------------------------------------------------------

    NewickWriter() = default;
    virtual ~NewickWriter() = default;

    NewickWriter(NewickWriter const&) = default;
    NewickWriter(NewickWriter&&)      = default;

    NewickWriter& operator= (NewickWriter const&) = default;
    NewickWriter& operator= (NewickWriter&&)      = default;

    // -------------------------------------------------------------------------
    //     Writing
    // -------------------------------------------------------------------------

    void to_stream( Tree const& tree, std::ostream& os ) const;

    void to_file( Tree const& tree, std::string const& filename) const;

    void to_string( Tree const& tree, std::string& ts ) const;

    std::string to_string( Tree const& tree ) const;

    // -------------------------------------------------------------------------
    //     Plugin Functions
    // -------------------------------------------------------------------------

    std::vector<prepare_writing_function> prepare_writing_plugins;

    std::vector<finish_writing_function>  finish_writing_plugins;

    std::vector<node_to_element_function> node_to_element_plugins;

    std::vector<edge_to_element_function> edge_to_element_plugins;

    // -------------------------------------------------------------------------
    //     Settings
    // -------------------------------------------------------------------------

    NewickWriter& quotation_marks( char value )
    {
        quotation_marks_ = value;
        return *this;
    }

    char quotation_marks() const
    {
        return quotation_marks_;
    }

    NewickWriter& force_quotation_marks( bool value )
    {
        force_quot_marks_ = value;
        return *this;
    }

    bool force_quotation_marks() const
    {
        return force_quot_marks_;
    }

    NewickWriter& write_names( bool value )
    {
        write_names_ = value;
        return *this;
    }

    bool write_names() const
    {
        return write_names_;
    }

    NewickWriter& write_values( bool value )
    {
        write_values_ = value;
        return *this;
    }

    bool write_values() const
    {
        return write_values_;
    }

    NewickWriter& write_comments( bool value )
    {
        write_comments_ = value;
        return *this;
    }

    bool write_comments() const
    {
        return write_comments_;
    }

    NewickWriter& write_tags( bool value )
    {
        write_tags_ = value;
        return *this;
    }

    bool write_tags() const
    {
        return write_tags_;
    }

    // -------------------------------------------------------------------------
    //      Intermediate Functions
    // -------------------------------------------------------------------------

    NewickBroker tree_to_broker( Tree const& tree ) const;

    void broker_to_stream( NewickBroker const& broker, std::ostream& os ) const;

    void broker_to_file( NewickBroker const& broker, std::string const& filename) const;

    void broker_to_string( NewickBroker const& broker, std::string& ts ) const;

    std::string broker_to_string( NewickBroker const& broker ) const;

    // -------------------------------------------------------------------------
    //     Internal Functions
    // -------------------------------------------------------------------------

private:

    std::string element_to_string_( NewickBrokerElement const& bn ) const;

    std::string to_string_rec_( NewickBroker const& broker, size_t pos ) const;

    // -------------------------------------------------------------------------
    //     Member Data
    // -------------------------------------------------------------------------

    bool force_quot_marks_ = false;
    char quotation_marks_  = '\"';

    bool write_names_    = true;
    bool write_values_   = true;
    bool write_comments_ = true;
    bool write_tags_     = true;

};

} // namespace tree
} // namespace genesis

#endif // include guard