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811 lines
28 KiB
C++
811 lines
28 KiB
C++
/**
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* Copyright (c) 2020, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "textfile_sub_source.hh"
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#include "base/ansi_scrubber.hh"
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#include "base/fs_util.hh"
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#include "base/injector.hh"
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#include "base/itertools.hh"
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#include "bound_tags.hh"
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#include "config.h"
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#include "lnav.events.hh"
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#include "md2attr_line.hh"
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#include "sqlitepp.hh"
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using namespace lnav::roles::literals;
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size_t
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textfile_sub_source::text_line_count()
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{
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size_t retval = 0;
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if (!this->tss_files.empty()) {
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std::shared_ptr<logfile> lf = this->current_file();
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auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
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if (rend_iter == this->tss_rendered_files.end()) {
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auto* lfo = (line_filter_observer*) lf->get_logline_observer();
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retval = lfo->lfo_filter_state.tfs_index.size();
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} else {
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retval = rend_iter->second.rf_text_source->text_line_count();
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}
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}
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return retval;
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}
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void
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textfile_sub_source::text_value_for_line(textview_curses& tc,
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int line,
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std::string& value_out,
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text_sub_source::line_flags_t flags)
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{
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if (!this->tss_files.empty()) {
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std::shared_ptr<logfile> lf = this->current_file();
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auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
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if (rend_iter == this->tss_rendered_files.end()) {
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auto* lfo = dynamic_cast<line_filter_observer*>(
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lf->get_logline_observer());
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auto read_result = lf->read_line(
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lf->begin() + lfo->lfo_filter_state.tfs_index[line]);
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if (read_result.isOk()) {
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value_out = to_string(read_result.unwrap());
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}
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} else {
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rend_iter->second.rf_text_source->text_value_for_line(
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tc, line, value_out, flags);
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}
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} else {
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value_out.clear();
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}
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}
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void
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textfile_sub_source::text_attrs_for_line(textview_curses& tc,
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int row,
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string_attrs_t& value_out)
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{
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auto lf = this->current_file();
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if (lf == nullptr) {
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return;
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}
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auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
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if (rend_iter != this->tss_rendered_files.end()) {
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rend_iter->second.rf_text_source->text_attrs_for_line(
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tc, row, value_out);
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}
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struct line_range lr;
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lr.lr_start = 0;
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lr.lr_end = -1;
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value_out.emplace_back(lr, logline::L_FILE.value(this->current_file()));
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}
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size_t
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textfile_sub_source::text_size_for_line(textview_curses& tc,
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int line,
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text_sub_source::line_flags_t flags)
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{
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size_t retval = 0;
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if (!this->tss_files.empty()) {
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std::shared_ptr<logfile> lf = this->current_file();
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auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
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if (rend_iter == this->tss_rendered_files.end()) {
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auto* lfo = dynamic_cast<line_filter_observer*>(
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lf->get_logline_observer());
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retval = lf->line_length(lf->begin()
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+ lfo->lfo_filter_state.tfs_index[line]);
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} else {
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retval = rend_iter->second.rf_text_source->text_size_for_line(
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tc, line, flags);
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}
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}
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return retval;
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}
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void
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textfile_sub_source::to_front(const std::shared_ptr<logfile>& lf)
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{
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auto iter = std::find(this->tss_files.begin(), this->tss_files.end(), lf);
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if (iter != this->tss_files.end()) {
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this->tss_files.erase(iter);
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} else {
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iter = std::find(
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this->tss_hidden_files.begin(), this->tss_hidden_files.end(), lf);
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if (iter != this->tss_hidden_files.end()) {
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this->tss_hidden_files.erase(iter);
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}
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}
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this->tss_files.push_front(lf);
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this->tss_view->reload_data();
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}
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void
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textfile_sub_source::rotate_left()
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{
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if (this->tss_files.size() > 1) {
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this->tss_files.push_back(this->tss_files.front());
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this->tss_files.pop_front();
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this->tss_view->reload_data();
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this->tss_view->redo_search();
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}
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}
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void
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textfile_sub_source::rotate_right()
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{
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if (this->tss_files.size() > 1) {
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this->tss_files.push_front(this->tss_files.back());
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this->tss_files.pop_back();
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this->tss_view->reload_data();
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this->tss_view->redo_search();
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}
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}
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void
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textfile_sub_source::remove(const std::shared_ptr<logfile>& lf)
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{
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auto iter = std::find(this->tss_files.begin(), this->tss_files.end(), lf);
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if (iter != this->tss_files.end()) {
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this->tss_files.erase(iter);
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detach_observer(lf);
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} else {
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iter = std::find(
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this->tss_hidden_files.begin(), this->tss_hidden_files.end(), lf);
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if (iter != this->tss_hidden_files.end()) {
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this->tss_hidden_files.erase(iter);
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detach_observer(lf);
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}
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}
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}
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void
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textfile_sub_source::push_back(const std::shared_ptr<logfile>& lf)
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{
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auto* lfo = new line_filter_observer(this->get_filters(), lf);
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lf->set_logline_observer(lfo);
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this->tss_files.push_back(lf);
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}
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void
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textfile_sub_source::text_filters_changed()
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{
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for (auto iter = this->tss_files.begin(); iter != this->tss_files.end();) {
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++iter;
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}
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for (auto iter = this->tss_hidden_files.begin();
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iter != this->tss_hidden_files.end();)
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{
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++iter;
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}
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std::shared_ptr<logfile> lf = this->current_file();
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if (lf == nullptr) {
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return;
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}
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auto* lfo = (line_filter_observer*) lf->get_logline_observer();
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uint32_t filter_in_mask, filter_out_mask;
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lfo->clear_deleted_filter_state();
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lf->reobserve_from(lf->begin() + lfo->get_min_count(lf->size()));
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this->get_filters().get_enabled_mask(filter_in_mask, filter_out_mask);
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lfo->lfo_filter_state.tfs_index.clear();
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for (uint32_t lpc = 0; lpc < lf->size(); lpc++) {
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if (this->tss_apply_filters
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&& lfo->excluded(filter_in_mask, filter_out_mask, lpc))
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{
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continue;
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}
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lfo->lfo_filter_state.tfs_index.push_back(lpc);
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}
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this->tss_view->redo_search();
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}
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int
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textfile_sub_source::get_filtered_count() const
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{
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std::shared_ptr<logfile> lf = this->current_file();
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int retval = 0;
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if (lf != nullptr) {
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auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
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if (rend_iter == this->tss_rendered_files.end()) {
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auto* lfo = (line_filter_observer*) lf->get_logline_observer();
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retval = lf->size() - lfo->lfo_filter_state.tfs_index.size();
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}
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}
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return retval;
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}
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int
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textfile_sub_source::get_filtered_count_for(size_t filter_index) const
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{
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std::shared_ptr<logfile> lf = this->current_file();
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if (lf == nullptr) {
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return 0;
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}
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auto* lfo = dynamic_cast<line_filter_observer*>(lf->get_logline_observer());
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return lfo->lfo_filter_state.tfs_filter_hits[filter_index];
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}
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text_format_t
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textfile_sub_source::get_text_format() const
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{
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if (this->tss_files.empty()) {
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return text_format_t::TF_UNKNOWN;
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}
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return this->tss_files.front()->get_text_format();
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}
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void
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textfile_sub_source::text_crumbs_for_line(
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int line, std::vector<breadcrumb::crumb>& crumbs)
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{
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text_sub_source::text_crumbs_for_line(line, crumbs);
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if (this->empty()) {
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return;
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}
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auto lf = this->current_file();
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crumbs.emplace_back(
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lf->get_unique_path(),
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attr_line_t().append(lnav::roles::identifier(lf->get_unique_path())),
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[this]() {
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return this->tss_files | lnav::itertools::map([](const auto& lf) {
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return breadcrumb::possibility{
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lf->get_unique_path(),
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attr_line_t(lf->get_unique_path()),
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};
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});
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},
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[this](const auto& key) {
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auto lf_opt = this->tss_files
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| lnav::itertools::find_if([&key](const auto& elem) {
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return key.template get<std::string>()
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== elem->get_unique_path();
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})
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| lnav::itertools::deref();
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if (!lf_opt) {
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return;
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}
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this->to_front(lf_opt.value());
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this->tss_view->reload_data();
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});
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if (lf->size() == 0) {
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return;
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}
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auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
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if (rend_iter != this->tss_rendered_files.end()) {
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rend_iter->second.rf_text_source->text_crumbs_for_line(line, crumbs);
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}
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auto meta_iter = this->tss_doc_metadata.find(lf->get_filename());
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if (meta_iter != this->tss_doc_metadata.end()) {
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auto* lfo
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= dynamic_cast<line_filter_observer*>(lf->get_logline_observer());
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auto ll_iter = lf->begin() + lfo->lfo_filter_state.tfs_index[line];
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auto ll_next_iter = ll_iter + 1;
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auto end_offset = (ll_next_iter == lf->end())
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? lf->get_index_size() - 1
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: ll_next_iter->get_offset() - 1;
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const auto initial_size = crumbs.size();
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meta_iter->second.ms_metadata.m_sections_tree.visit_overlapping(
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ll_iter->get_offset(),
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end_offset,
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[&crumbs,
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initial_size,
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meta = &meta_iter->second.ms_metadata,
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this,
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lf](const auto& iv) {
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auto path = crumbs | lnav::itertools::skip(initial_size)
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| lnav::itertools::map(&breadcrumb::crumb::c_key)
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| lnav::itertools::append(iv.value);
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auto curr_node = lnav::document::hier_node::lookup_path(
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meta->m_sections_root.get(), path);
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crumbs.template emplace_back(
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iv.value,
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[meta, path]() { return meta->possibility_provider(path); },
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[this, curr_node, path, lf](const auto& key) {
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if (!curr_node) {
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return;
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}
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auto* parent_node = curr_node.value()->hn_parent;
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if (parent_node == nullptr) {
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return;
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}
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key.template match(
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[this, parent_node](const std::string& str) {
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auto sib_iter
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= parent_node->hn_named_children.find(str);
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if (sib_iter
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== parent_node->hn_named_children.end()) {
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return;
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}
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this->set_top_from_off(
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sib_iter->second->hn_start);
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},
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[this, parent_node](size_t index) {
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if (index >= parent_node->hn_children.size()) {
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return;
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}
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auto sib
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= parent_node->hn_children[index].get();
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this->set_top_from_off(sib->hn_start);
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});
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});
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if (curr_node
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&& curr_node.value()->hn_parent->hn_children.size()
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!= curr_node.value()
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->hn_parent->hn_named_children.size())
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{
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auto node = lnav::document::hier_node::lookup_path(
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meta->m_sections_root.get(), path);
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crumbs.back().c_expected_input
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= curr_node.value()
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->hn_parent->hn_named_children.empty()
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? breadcrumb::crumb::expected_input_t::index
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: breadcrumb::crumb::expected_input_t::index_or_exact;
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crumbs.back().with_possible_range(
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node | lnav::itertools::map([](const auto hn) {
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return hn->hn_parent->hn_children.size();
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})
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| lnav::itertools::unwrap_or(size_t{0}));
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}
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});
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auto path = crumbs | lnav::itertools::skip(initial_size)
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| lnav::itertools::map(&breadcrumb::crumb::c_key);
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auto node = lnav::document::hier_node::lookup_path(
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meta_iter->second.ms_metadata.m_sections_root.get(), path);
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if (node && !node.value()->hn_children.empty()) {
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auto poss_provider = [curr_node = node.value()]() {
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std::vector<breadcrumb::possibility> retval;
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for (const auto& child : curr_node->hn_named_children) {
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retval.template emplace_back(child.first);
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}
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return retval;
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};
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auto path_performer = [this, curr_node = node.value()](
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const breadcrumb::crumb::key_t& value) {
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value.template match(
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[this, curr_node](const std::string& str) {
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auto child_iter
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= curr_node->hn_named_children.find(str);
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if (child_iter != curr_node->hn_named_children.end()) {
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this->set_top_from_off(
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child_iter->second->hn_start);
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}
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},
|
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[this, curr_node](size_t index) {
|
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if (index >= curr_node->hn_children.size()) {
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return;
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}
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auto* child = curr_node->hn_children[index].get();
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this->set_top_from_off(child->hn_start);
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});
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};
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crumbs.emplace_back("", "\u22ef", poss_provider, path_performer);
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crumbs.back().c_expected_input
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= node.value()->hn_named_children.empty()
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? breadcrumb::crumb::expected_input_t::index
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: breadcrumb::crumb::expected_input_t::index_or_exact;
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}
|
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}
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|
}
|
|
|
|
bool
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textfile_sub_source::rescan_files(
|
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textfile_sub_source::scan_callback& callback,
|
|
nonstd::optional<ui_clock::time_point> deadline)
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{
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static auto& lnav_db
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= injector::get<auto_mem<sqlite3, sqlite_close_wrapper>&,
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sqlite_db_tag>();
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|
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file_iterator iter;
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bool retval = false;
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|
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if (this->tss_view == nullptr || this->tss_view->is_paused()) {
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return retval;
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}
|
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|
|
std::vector<std::shared_ptr<logfile>> closed_files;
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for (iter = this->tss_files.begin(); iter != this->tss_files.end();) {
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std::shared_ptr<logfile> lf = (*iter);
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|
|
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if (lf->is_closed()) {
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iter = this->tss_files.erase(iter);
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this->tss_rendered_files.erase(lf->get_filename());
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this->tss_doc_metadata.erase(lf->get_filename());
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this->detach_observer(lf);
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closed_files.template emplace_back(lf);
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continue;
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}
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try {
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const auto& st = lf->get_stat();
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uint32_t old_size = lf->size();
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auto new_text_data = lf->rebuild_index(deadline);
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|
|
|
if (lf->get_format() != nullptr) {
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iter = this->tss_files.erase(iter);
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this->tss_rendered_files.erase(lf->get_filename());
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this->tss_doc_metadata.erase(lf->get_filename());
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this->detach_observer(lf);
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callback.promote_file(lf);
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|
continue;
|
|
}
|
|
|
|
switch (new_text_data) {
|
|
case logfile::rebuild_result_t::NEW_LINES:
|
|
case logfile::rebuild_result_t::NEW_ORDER:
|
|
retval = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
callback.scanned_file(lf);
|
|
|
|
if (lf->get_text_format() == text_format_t::TF_MARKDOWN) {
|
|
auto rend_iter
|
|
= this->tss_rendered_files.find(lf->get_filename());
|
|
if (rend_iter != this->tss_rendered_files.end()) {
|
|
if (rend_iter->second.rf_file_size == st.st_size
|
|
&& rend_iter->second.rf_mtime == st.st_mtime)
|
|
{
|
|
++iter;
|
|
continue;
|
|
}
|
|
log_info("markdown file has been updated, re-rendering: %s",
|
|
lf->get_filename().c_str());
|
|
this->tss_rendered_files.erase(rend_iter);
|
|
}
|
|
|
|
auto read_res = lf->read_file();
|
|
if (read_res.isOk()) {
|
|
auto content = read_res.unwrap();
|
|
auto content_sf = string_fragment{content};
|
|
std::string frontmatter;
|
|
auto front_matter_terminator = content.length() > 8
|
|
? content.find("\n---\n", 4)
|
|
: std::string::npos;
|
|
|
|
if (startswith(content, "---\n")
|
|
&& front_matter_terminator != std::string::npos)
|
|
{
|
|
frontmatter
|
|
= content.substr(4, front_matter_terminator - 3);
|
|
content_sf
|
|
= content_sf.substr(front_matter_terminator + 4);
|
|
}
|
|
|
|
md2attr_line mdal;
|
|
|
|
mdal.with_source_path(lf->get_actual_path());
|
|
auto parse_res = md4cpp::parse(content_sf, mdal);
|
|
|
|
auto& rf = this->tss_rendered_files[lf->get_filename()];
|
|
rf.rf_mtime = st.st_mtime;
|
|
rf.rf_file_size = st.st_size;
|
|
rf.rf_text_source = std::make_unique<plain_text_source>();
|
|
rf.rf_text_source->register_view(this->tss_view);
|
|
if (parse_res.isOk()) {
|
|
auto& lf_meta = lf->get_embedded_metadata();
|
|
|
|
rf.rf_text_source->replace_with(parse_res.unwrap());
|
|
|
|
if (!frontmatter.empty()) {
|
|
lf_meta["net.daringfireball.markdown.frontmatter"]
|
|
= {text_format_t::TF_YAML, frontmatter};
|
|
}
|
|
|
|
lnav::events::publish(
|
|
lnav_db,
|
|
lnav::events::file::format_detected{
|
|
lf->get_filename(),
|
|
fmt::to_string(lf->get_text_format()),
|
|
});
|
|
} else {
|
|
auto view_content
|
|
= lnav::console::user_message::error(
|
|
"unable to parse markdown file")
|
|
.with_reason(parse_res.unwrapErr())
|
|
.to_attr_line();
|
|
view_content.append("\n").append(
|
|
attr_line_t::from_ansi_str(content.c_str()));
|
|
|
|
rf.rf_text_source->replace_with(view_content);
|
|
}
|
|
} else {
|
|
log_error("unable to read markdown file: %s -- %s",
|
|
lf->get_filename().c_str(),
|
|
read_res.unwrapErr().c_str());
|
|
}
|
|
++iter;
|
|
continue;
|
|
}
|
|
|
|
if (!retval && lf->is_indexing()
|
|
&& lf->get_text_format() != text_format_t::TF_BINARY)
|
|
{
|
|
auto ms_iter = this->tss_doc_metadata.find(lf->get_filename());
|
|
|
|
if (ms_iter != this->tss_doc_metadata.end()) {
|
|
if (st.st_mtime != ms_iter->second.ms_mtime
|
|
|| st.st_size != ms_iter->second.ms_file_size)
|
|
{
|
|
this->tss_doc_metadata.erase(ms_iter);
|
|
ms_iter = this->tss_doc_metadata.end();
|
|
}
|
|
}
|
|
|
|
if (ms_iter == this->tss_doc_metadata.end()) {
|
|
auto read_res = lf->read_file();
|
|
|
|
if (read_res.isOk()) {
|
|
auto content = attr_line_t(read_res.unwrap());
|
|
|
|
log_info("generating metdata for: %s",
|
|
lf->get_filename().c_str());
|
|
scrub_ansi_string(content.get_string(),
|
|
&content.get_attrs());
|
|
this->tss_doc_metadata[lf->get_filename()]
|
|
= metadata_state{
|
|
st.st_mtime,
|
|
static_cast<file_ssize_t>(st.st_size),
|
|
lnav::document::discover_structure(
|
|
content, line_range{0, -1}),
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32_t filter_in_mask, filter_out_mask;
|
|
|
|
this->get_filters().get_enabled_mask(filter_in_mask,
|
|
filter_out_mask);
|
|
auto* lfo = (line_filter_observer*) lf->get_logline_observer();
|
|
for (uint32_t lpc = old_size; lpc < lf->size(); lpc++) {
|
|
if (this->tss_apply_filters
|
|
&& lfo->excluded(filter_in_mask, filter_out_mask, lpc))
|
|
{
|
|
continue;
|
|
}
|
|
lfo->lfo_filter_state.tfs_index.push_back(lpc);
|
|
}
|
|
} catch (const line_buffer::error& e) {
|
|
iter = this->tss_files.erase(iter);
|
|
this->tss_rendered_files.erase(lf->get_filename());
|
|
this->tss_doc_metadata.erase(lf->get_filename());
|
|
lf->close();
|
|
this->detach_observer(lf);
|
|
closed_files.template emplace_back(lf);
|
|
continue;
|
|
}
|
|
|
|
++iter;
|
|
}
|
|
if (!closed_files.empty()) {
|
|
callback.closed_files(closed_files);
|
|
}
|
|
|
|
if (retval) {
|
|
this->tss_view->search_new_data();
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
void
|
|
textfile_sub_source::set_top_from_off(file_off_t off)
|
|
{
|
|
auto lf = this->current_file();
|
|
|
|
lf->line_for_offset(off) | [this, lf](auto new_top_iter) {
|
|
auto* lfo = (line_filter_observer*) lf->get_logline_observer();
|
|
auto new_top_opt = lfo->lfo_filter_state.content_line_to_vis_line(
|
|
std::distance(lf->cbegin(), new_top_iter));
|
|
|
|
if (new_top_opt) {
|
|
this->tss_view->set_top(vis_line_t(new_top_opt.value()));
|
|
}
|
|
};
|
|
}
|
|
|
|
void
|
|
textfile_sub_source::quiesce()
|
|
{
|
|
for (auto& lf : this->tss_files) {
|
|
lf->quiesce();
|
|
}
|
|
}
|
|
|
|
nonstd::optional<vis_line_t>
|
|
textfile_sub_source::row_for_anchor(const std::string& id)
|
|
{
|
|
auto lf = this->current_file();
|
|
if (!lf) {
|
|
return nonstd::nullopt;
|
|
}
|
|
|
|
auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
|
|
if (rend_iter != this->tss_rendered_files.end()) {
|
|
return rend_iter->second.rf_text_source->row_for_anchor(id);
|
|
}
|
|
|
|
auto iter = this->tss_doc_metadata.find(lf->get_filename());
|
|
if (iter == this->tss_doc_metadata.end()) {
|
|
return nonstd::nullopt;
|
|
}
|
|
|
|
const auto& meta = iter->second.ms_metadata;
|
|
nonstd::optional<vis_line_t> retval;
|
|
|
|
lnav::document::hier_node::depth_first(
|
|
meta.m_sections_root.get(),
|
|
[lf, &id, &retval](const lnav::document::hier_node* node) {
|
|
for (const auto& child_pair : node->hn_named_children) {
|
|
auto child_anchor
|
|
= text_anchors::to_anchor_string(child_pair.first);
|
|
|
|
if (child_anchor == id) {
|
|
auto ll_opt
|
|
= lf->line_for_offset(child_pair.second->hn_start);
|
|
if (ll_opt != lf->end()) {
|
|
retval = vis_line_t(
|
|
std::distance(lf->cbegin(), ll_opt.value()));
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
return retval;
|
|
}
|
|
|
|
std::unordered_set<std::string>
|
|
textfile_sub_source::get_anchors()
|
|
{
|
|
std::unordered_set<std::string> retval;
|
|
|
|
auto lf = this->current_file();
|
|
if (!lf) {
|
|
return retval;
|
|
}
|
|
|
|
auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
|
|
if (rend_iter != this->tss_rendered_files.end()) {
|
|
return rend_iter->second.rf_text_source->get_anchors();
|
|
}
|
|
|
|
auto iter = this->tss_doc_metadata.find(lf->get_filename());
|
|
if (iter == this->tss_doc_metadata.end()) {
|
|
return retval;
|
|
}
|
|
|
|
const auto& meta = iter->second.ms_metadata;
|
|
|
|
lnav::document::hier_node::depth_first(
|
|
meta.m_sections_root.get(),
|
|
[&retval](const lnav::document::hier_node* node) {
|
|
if (retval.size() > 100) {
|
|
return;
|
|
}
|
|
|
|
for (const auto& child_pair : node->hn_named_children) {
|
|
retval.emplace(
|
|
text_anchors::to_anchor_string(child_pair.first));
|
|
}
|
|
});
|
|
|
|
return retval;
|
|
}
|
|
|
|
nonstd::optional<std::string>
|
|
textfile_sub_source::anchor_for_row(vis_line_t vl)
|
|
{
|
|
nonstd::optional<std::string> retval;
|
|
|
|
auto lf = this->current_file();
|
|
if (!lf) {
|
|
return retval;
|
|
}
|
|
|
|
auto rend_iter = this->tss_rendered_files.find(lf->get_filename());
|
|
if (rend_iter != this->tss_rendered_files.end()) {
|
|
return rend_iter->second.rf_text_source->anchor_for_row(vl);
|
|
}
|
|
|
|
auto iter = this->tss_doc_metadata.find(lf->get_filename());
|
|
if (iter == this->tss_doc_metadata.end()) {
|
|
return retval;
|
|
}
|
|
|
|
auto* lfo = dynamic_cast<line_filter_observer*>(lf->get_logline_observer());
|
|
auto ll_iter = lf->begin() + lfo->lfo_filter_state.tfs_index[vl];
|
|
auto ll_next_iter = ll_iter + 1;
|
|
auto end_offset = (ll_next_iter == lf->end())
|
|
? lf->get_index_size() - 1
|
|
: ll_next_iter->get_offset() - 1;
|
|
iter->second.ms_metadata.m_sections_tree.visit_overlapping(
|
|
ll_iter->get_offset(),
|
|
end_offset,
|
|
[&retval](const lnav::document::section_interval_t& iv) {
|
|
retval = iv.value.match(
|
|
[](const std::string& str) {
|
|
return nonstd::make_optional(
|
|
text_anchors::to_anchor_string(str));
|
|
},
|
|
[](size_t) { return nonstd::nullopt; });
|
|
});
|
|
|
|
return retval;
|
|
}
|
|
|
|
bool
|
|
textfile_sub_source::to_front(const std::string& filename)
|
|
{
|
|
auto lf_opt = this->tss_files
|
|
| lnav::itertools::find_if([&filename](const auto& elem) {
|
|
return elem->get_filename() == filename;
|
|
});
|
|
if (!lf_opt) {
|
|
lf_opt = this->tss_hidden_files
|
|
| lnav::itertools::find_if([&filename](const auto& elem) {
|
|
return elem->get_filename() == filename;
|
|
});
|
|
}
|
|
|
|
if (!lf_opt) {
|
|
return false;
|
|
}
|
|
|
|
this->to_front(*(lf_opt.value()));
|
|
|
|
return true;
|
|
}
|