unparser.hpp

Go to the documentation of this file.

#ifndef _json_unparser_hpp_
#define _json_unparser_hpp_

/*
 * Copyright (c) 2017 Andrew Haisley
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */


#include <ostream>

#include "common.hpp"
#include "json.hpp"
#include "writer.hpp"

namespace NAMESPACE
{
    std::ostream &operator<<(std::ostream &stream, const json &e);

    void operator<<(std::string &s, const json &e);

    class unparser
    {
    public:

        static void unparse(
                std::ostream &o,
                const json   &j,
                const char   *space = " ",
                const char   *newline = "",
                const char   *indent = " ",
                int          indent_inc = 0);

#ifndef _ARGO_WINDOWS_

        static void unparse(
                int        fd,
                const json &j,
                const char *space = " ",
                const char *newline = "",
                const char *indent = " ",
                int        indent_inc = 0);
#endif

        static void unparse(
                FILE       *s,
                const json &j,
                const char *space = " ",
                const char *newline = "",
                const char *indent = " ",
                int        indent_inc = 0);

        static void save(
                const json        &j,
                const std::string &file_name,
                const char        *space = " ",
                const char        *newline = "",
                const char        *indent = " ",
                int               indent_inc = 0);

        unparser(writer     &w,
                 const char *space = " ",
                 const char *newline = "",
                 const char *indent = " ",
                 int        indent_inc = 0);

    
        void unparse(const json &j, int indent_level = 0);

    private:

        void print_indent(int indent_level);
        void unparse_object(const json &j, int indent_level);
        void unparse_array(const json &j, int indent_level);

        writer     &m_writer;
        const char *m_space;
        const char *m_newline;
        const char *m_indent;
        int        m_indent_inc;

    };

}

#endif