gctl/lib/io/text_io2.cpp

/********************************************************
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 *  ╚═════╝  ╚═════╝   ╚═╝   ╚══════╝
 * Geophysical Computational Tools & Library (GCTL)
 *
 * Copyright (c) 2023  Yi Zhang (yizhang-geo@zju.edu.cn)
 *
 * GCTL is distributed under a dual licensing scheme. You can redistribute 
 * it and/or modify it under the terms of the GNU Lesser General Public 
 * License as published by the Free Software Foundation, either version 2 
 * of the License, or (at your option) any later version. You should have 
 * received a copy of the GNU Lesser General Public License along with this 
 * program. If not, see <http://www.gnu.org/licenses/>.
 * 
 * If the terms and conditions of the LGPL v.2. would prevent you from using 
 * the GCTL, please consider the option to obtain a commercial license for a 
 * fee. These licenses are offered by the GCTL's original author. As a rule, 
 * licenses are provided "as-is", unlimited in time for a one time fee. Please 
 * send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget 
 * to include some tcription of your company and the realm of its activities. 
 * Also add information on how to contact you by electronic and paper mail.
 ******************************************************/

#include "text_io2.h"

gctl::text_content::text_content()
{
    // 设置基础参数
    att_sym_ = '#';
	tag_sym_ = '!';
	deli_sym_ = ' ';
	head_num_ = 0;
}

gctl::text_content::~text_content()
{
    clear();
}

gctl::text_content::text_content(std::string filename, std::string file_exten, bool unpack)
{
    // 设置基础参数
    att_sym_ = '#';
	tag_sym_ = '!';
	deli_sym_ = ' ';
	head_num_ = 0;
    // 载入文本内容
    load_text(filename, file_exten, unpack);
}

void gctl::text_content::set(char deli_sym, int h_num, char att_sym, char tag_sym)
{
	att_sym_ = att_sym;
	tag_sym_ = tag_sym;
	deli_sym_ = deli_sym;
	head_num_ = h_num;
	return;
}

void gctl::text_content::clear()
{
    destroy_vector(heads_);
    destroy_vector(annotates_);
    destroy_vector(tags_);
    destroy_vector(lines_);
    destroy_vector(table_);
	return;
}

void gctl::text_content::load_text(std::string filename, std::string file_exten, bool unpack)
{
    std::ifstream infile;
    open_infile(infile, filename, file_exten);

    clear();

    std::string tmp_line;
    std::stringstream tmp_ss;
    for (int i = 0; i < head_num_; i++) // 跳过前n行 包括空行 但不会保存空行
    {
        std::getline(infile, tmp_line);
        if (!tmp_line.empty()) heads_.push_back(tmp_line);
    }

    while (std::getline(infile, tmp_line))
    {
        if (tmp_line.empty()) continue; // 跳过空行
        else if (tmp_line[0] == att_sym_) // 注释行或者标记行 # #!
        {
            if (tmp_line[1] == tag_sym_) // #!
            {
                tmp_line = tmp_line.substr(2); // 去掉前两个字符
                tmp_line.erase(0, tmp_line.find_first_not_of(" \t"));
                tmp_line.erase(tmp_line.find_last_not_of(" \t") + 1);
                tags_.push_back(tmp_line);
                continue;
            }
            
            // #
            tmp_line = tmp_line.substr(1); // 去掉第一个字符
            tmp_line.erase(0, tmp_line.find_first_not_of(" \t"));
            tmp_line.erase(tmp_line.find_last_not_of(" \t") + 1);
            annotates_.push_back(tmp_line);
        }
        else lines_.push_back(tmp_line);
    }

    infile.close();

    if (unpack)
    {
        table_.resize(lines_.size());

        std::vector<std::string> tmp_cols;
        for (size_t i = 0; i < lines_.size(); i++)
        {
            tmp_cols.clear();
            parse_string_to_vector(lines_[i], deli_sym_, tmp_cols);

            table_[i].resize(tmp_cols.size());
            for (size_t j = 0; j < tmp_cols.size(); j++)
            {
                table_[i][j].str_ = tmp_cols[j];
            }
        }
    }
    return;
}

void gctl::text_content::save_text(std::string filename, std::string file_exten, bool packed)
{
    std::ofstream outfile;
    open_outfile(outfile, filename, file_exten);

    for (int i = 0; i < heads_.size(); i++)
    {
        outfile << heads_[i] << std::endl;
    }

    for (int i = 0; i < tags_.size(); i++)
    {
        outfile << "#! " << tags_[i] << std::endl;
    }

    for (int i = 0; i < annotates_.size(); i++)
    {
        outfile << "# " << annotates_[i] << std::endl;
    }

    if (packed)
    {
        for (int i = 0; i < lines_.size(); i++)
        {
            outfile << lines_[i] << std::endl;
        }
    }
    else
    {
        for (int i = 0; i < table_.size(); i++)
        {
            outfile << table_[i][0].str_;
            for (size_t j = 1; j < table_[i].size(); j++)
            {
                outfile << deli_sym_ << table_[i][j].str_;
            }
            outfile << std::endl;
        }
    }

    outfile.close();
    return;
}