assembler.h

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// Copyright (c) 2015-2025  Made to Order Software Corp.  All Rights Reserved
//
// 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 2 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, write to the Free Software Foundation, Inc.,
// 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#pragma once
 
// self
//
#include    "csspp/node.h"
 
 
namespace csspp
{
 
enum class output_mode_t
{
    COMPACT,        // one rule per line, spaces around all objects
    COMPRESSED,     // as compressed as possible
    EXPANDED,       // beautified for human consumption
    TIDY            // one rule per line, no spaces
};
 
class assembler_impl;
 
class assembler
{
public:
                            assembler(std::ostream & out);
 
    void                    output(node::pointer_t n, output_mode_t mode);
 
private:
    std::string             escape_id(std::string const & id);
 
    void                    output(node::pointer_t n);
    void                    output_component_value(node::pointer_t n);
    void                    output_parenthesis(node::pointer_t n, int flags);
    void                    output_at_keyword(node::pointer_t n);
    void                    output_comment(node::pointer_t n);
    void                    output_string(std::string const & str);
    void                    output_url(std::string const & str);
 
    std::shared_ptr<assembler_impl> f_impl = std::shared_ptr<assembler_impl>();
    std::ostream &                  f_out;
    node::pointer_t                 f_root = node::pointer_t();
};
 
} // namespace csspp
 
std::ostream & operator << (std::ostream & out, csspp::output_mode_t const type);
 
// vim: ts=4 sw=4 et