lnav/src/top_status_source.cc

/**
 * Copyright (c) 2020, Timothy Stack
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 * * 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.
 * * Neither the name of Timothy Stack nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 */

#include "config.h"

#include "lnav_config.hh"
#include "logfile_sub_source.hh"
#include "top_status_source.hh"

top_status_source::top_status_source()
{
    this->tss_fields[TSF_TIME].set_width(28);
    this->tss_fields[TSF_PARTITION_NAME].set_width(34);
    this->tss_fields[TSF_PARTITION_NAME].set_left_pad(1);
    this->tss_fields[TSF_VIEW_NAME].set_width(8);
    this->tss_fields[TSF_VIEW_NAME].set_role(view_colors::VCR_STATUS_TITLE);
    this->tss_fields[TSF_VIEW_NAME].right_justify(true);
    this->tss_fields[TSF_STITCH_VIEW_FORMAT].set_width(2);
    this->tss_fields[TSF_STITCH_VIEW_FORMAT].set_stitch_value(
        view_colors::VCR_STATUS_STITCH_SUB_TO_TITLE,
        view_colors::VCR_STATUS_STITCH_TITLE_TO_SUB);
    this->tss_fields[TSF_STITCH_VIEW_FORMAT].right_justify(true);
    this->tss_fields[TSF_FORMAT].set_width(20);
    this->tss_fields[TSF_FORMAT].set_role(view_colors::VCR_STATUS_SUBTITLE);
    this->tss_fields[TSF_FORMAT].right_justify(true);
    this->tss_fields[TSF_STITCH_FORMAT_FILENAME].set_width(2);
    this->tss_fields[TSF_STITCH_FORMAT_FILENAME].set_stitch_value(
        view_colors::VCR_STATUS_STITCH_NORMAL_TO_SUB,
        view_colors::VCR_STATUS_STITCH_SUB_TO_NORMAL);
    this->tss_fields[TSF_STITCH_FORMAT_FILENAME].right_justify(true);
    this->tss_fields[TSF_FILENAME].set_min_width(35); /* XXX */
    this->tss_fields[TSF_FILENAME].set_share(1);
    this->tss_fields[TSF_FILENAME].right_justify(true);
}

void top_status_source::update_time(const timeval &current_time)
{
    status_field &sf           = this->tss_fields[TSF_TIME];
    char          buffer[32];

    buffer[0] = ' ';
    strftime(&buffer[1], sizeof(buffer) - 1,
             lnav_config.lc_ui_clock_format.c_str(),
             localtime(&current_time.tv_sec));
    sf.set_value(buffer);
}

void top_status_source::update_time()
{
    struct timeval tv;

    gettimeofday(&tv, nullptr);
    this->update_time(tv);
}

void top_status_source::update_filename(listview_curses *lc)
{
    auto &sf_partition = this->tss_fields[TSF_PARTITION_NAME];
    auto &sf_format = this->tss_fields[TSF_FORMAT];
    auto &sf_filename = this->tss_fields[TSF_FILENAME];

    if (lc->get_inner_height() > 0) {
        string_attrs_t::const_iterator line_attr;
        std::vector<attr_line_t> rows(1);

        lc->get_data_source()->
            listview_value_for_rows(*lc, lc->get_top(), rows);
        string_attrs_t &sa = rows[0].get_attrs();
        line_attr = find_string_attr(sa, &logline::L_FILE);
        if (line_attr != sa.end()) {
            logfile *lf = (logfile *)line_attr->sa_value.sav_ptr;

            if (lf->get_format()) {
                sf_format.set_value("% 13s",
                                    lf->get_format()->get_name().get());
            }
            else if (!lf->get_filename().empty()) {
                sf_format.set_value("% 13s", "plain text");
            }
            else{
                sf_format.clear();
            }

            if (sf_filename.get_width() > (ssize_t) lf->get_filename().length()) {
                sf_filename.set_value(lf->get_filename());
            } else {
                sf_filename.set_value(lf->get_unique_path());
            }
        }
        else {
            sf_format.clear();
            sf_filename.clear();
        }

        line_attr = find_string_attr(sa, &logline::L_PARTITION);
        if (line_attr != sa.end()) {
            auto bm = (bookmark_metadata *)line_attr->sa_value.sav_ptr;

            sf_partition.set_value(bm->bm_name.c_str());
        }
        else {
            sf_partition.clear();
        }
    }
    else {
        sf_format.clear();
        if (lc->get_data_source() != nullptr) {
            sf_filename.set_value(lc->get_data_source()->listview_source_name(*lc));
        }
    }
}

void top_status_source::update_view_name(listview_curses *lc)
{
    status_field &sf_view_name = this->tss_fields[TSF_VIEW_NAME];

    sf_view_name.set_value("%s ", lc->get_title().c_str());
}