mirror of https://github.com/tstack/lnav.git
661 lines
23 KiB
C++
661 lines
23 KiB
C++
/**
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* Copyright (c) 2018, 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 "filter_sub_source.hh"
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#include "base/enum_util.hh"
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#include "base/func_util.hh"
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#include "base/opt_util.hh"
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#include "config.h"
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#include "lnav.hh"
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#include "readline_highlighters.hh"
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#include "readline_possibilities.hh"
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filter_sub_source::filter_sub_source()
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{
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this->fss_regex_context.set_highlighter(readline_regex_highlighter)
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.set_append_character(0);
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this->fss_editor.add_context(filter_lang_t::REGEX, this->fss_regex_context);
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this->fss_sql_context.set_highlighter(readline_sqlite_highlighter)
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.set_append_character(0);
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this->fss_editor.add_context(filter_lang_t::SQL, this->fss_sql_context);
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this->fss_editor.set_change_action(
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bind_mem(&filter_sub_source::rl_change, this));
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this->fss_editor.set_perform_action(
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bind_mem(&filter_sub_source::rl_perform, this));
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this->fss_editor.set_abort_action(
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bind_mem(&filter_sub_source::rl_abort, this));
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this->fss_editor.set_display_match_action(
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bind_mem(&filter_sub_source::rl_display_matches, this));
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this->fss_editor.set_display_next_action(
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bind_mem(&filter_sub_source::rl_display_next, this));
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this->fss_match_view.set_sub_source(&this->fss_match_source);
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this->fss_match_view.set_height(0_vl);
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this->fss_match_view.set_show_scrollbar(true);
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this->fss_match_view.set_default_role(role_t::VCR_POPUP);
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}
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bool
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filter_sub_source::list_input_handle_key(listview_curses& lv, int ch)
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{
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if (this->fss_editing) {
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switch (ch) {
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case KEY_CTRL_RBRACKET:
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this->fss_editor.abort();
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return true;
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default:
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this->fss_editor.handle_key(ch);
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return true;
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}
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}
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switch (ch) {
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case 'f': {
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auto* top_view = *lnav_data.ld_view_stack.top();
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auto* tss = top_view->get_sub_source();
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tss->toggle_apply_filters();
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break;
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}
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case ' ': {
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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if (fs.empty()) {
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return true;
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}
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auto tf = *(fs.begin() + lv.get_selection());
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fs.set_filter_enabled(tf, !tf->is_enabled());
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tss->text_filters_changed();
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lv.reload_data();
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return true;
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}
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case 't': {
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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if (fs.empty()) {
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return true;
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}
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auto tf = *(fs.begin() + lv.get_selection());
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if (tf->get_type() == text_filter::INCLUDE) {
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tf->set_type(text_filter::EXCLUDE);
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} else {
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tf->set_type(text_filter::INCLUDE);
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}
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tss->text_filters_changed();
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lv.reload_data();
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return true;
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}
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case 'D': {
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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if (fs.empty()) {
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return true;
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}
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auto tf = *(fs.begin() + lv.get_selection());
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fs.delete_filter(tf->get_id());
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lv.reload_data();
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tss->text_filters_changed();
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return true;
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}
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case 'i': {
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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auto filter_index = fs.next_index();
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if (!filter_index) {
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lnav_data.ld_filter_help_status_source.fss_error.set_value(
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"error: too many filters");
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return true;
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}
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auto ef = std::make_shared<empty_filter>(
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text_filter::type_t::INCLUDE, *filter_index);
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fs.add_filter(ef);
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lv.set_selection(vis_line_t(fs.size() - 1));
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lv.reload_data();
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this->fss_editing = true;
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add_view_text_possibilities(&this->fss_editor,
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filter_lang_t::REGEX,
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"*",
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top_view,
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text_quoting::regex);
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this->fss_editor.set_window(lv.get_window());
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this->fss_editor.set_visible(true);
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this->fss_editor.set_y(lv.get_y()
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+ (int) (lv.get_selection() - lv.get_top()));
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this->fss_editor.set_left(25);
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this->fss_editor.set_width(this->tss_view->get_width() - 8 - 1);
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this->fss_editor.focus(filter_lang_t::REGEX, "", "");
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this->fss_filter_state = true;
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ef->disable();
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return true;
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}
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case 'o': {
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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auto filter_index = fs.next_index();
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if (!filter_index) {
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lnav_data.ld_filter_help_status_source.fss_error.set_value(
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"error: too many filters");
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return true;
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}
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auto ef = std::make_shared<empty_filter>(
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text_filter::type_t::EXCLUDE, *filter_index);
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fs.add_filter(ef);
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lv.set_selection(vis_line_t(fs.size() - 1));
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lv.reload_data();
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this->fss_editing = true;
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add_view_text_possibilities(&this->fss_editor,
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filter_lang_t::REGEX,
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"*",
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top_view,
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text_quoting::regex);
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this->fss_editor.set_window(lv.get_window());
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this->fss_editor.set_visible(true);
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this->fss_editor.set_y(lv.get_y()
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+ (int) (lv.get_selection() - lv.get_top()));
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this->fss_editor.set_left(25);
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this->fss_editor.set_width(this->tss_view->get_width() - 8 - 1);
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this->fss_editor.focus(filter_lang_t::REGEX, "", "");
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this->fss_filter_state = true;
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ef->disable();
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return true;
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}
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case '\r':
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case KEY_ENTER: {
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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if (fs.empty()) {
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return true;
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}
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auto tf = *(fs.begin() + lv.get_selection());
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this->fss_editing = true;
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auto tq = tf->get_lang() == filter_lang_t::SQL
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? text_quoting::sql
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: text_quoting::regex;
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add_view_text_possibilities(
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&this->fss_editor, tf->get_lang(), "*", top_view, tq);
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add_filter_expr_possibilities(
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&this->fss_editor, filter_lang_t::SQL, "*");
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this->fss_editor.set_window(lv.get_window());
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this->fss_editor.set_visible(true);
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this->fss_editor.set_y(lv.get_y()
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+ (int) (lv.get_selection() - lv.get_top()));
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this->fss_editor.set_left(25);
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this->fss_editor.set_width(this->tss_view->get_width() - 8 - 1);
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this->fss_editor.focus(tf->get_lang(), "");
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this->fss_editor.rewrite_line(0, tf->get_id().c_str());
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this->fss_filter_state = tf->is_enabled();
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tf->disable();
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tss->text_filters_changed();
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return true;
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}
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case 'n': {
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execute_command(lnav_data.ld_exec_context, "next-mark search");
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return true;
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}
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case 'N': {
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execute_command(lnav_data.ld_exec_context, "prev-mark search");
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return true;
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}
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case '/': {
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execute_command(lnav_data.ld_exec_context, "prompt search-filters");
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return true;
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}
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default:
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log_debug("unhandled %x", ch);
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break;
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}
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return false;
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}
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size_t
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filter_sub_source::text_line_count()
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{
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return (lnav_data.ld_view_stack.top() |
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[](auto tc) {
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text_sub_source* tss = tc->get_sub_source();
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filter_stack& fs = tss->get_filters();
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return nonstd::make_optional(fs.size());
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})
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.value_or(0);
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}
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size_t
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filter_sub_source::text_line_width(textview_curses& curses)
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{
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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size_t retval = 0;
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for (auto& filter : fs) {
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retval = std::max(filter->get_id().size() + 8, retval);
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}
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return retval;
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}
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void
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filter_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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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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auto tf = *(fs.begin() + line);
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value_out = " ";
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switch (tf->get_type()) {
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case text_filter::INCLUDE:
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value_out.append(" IN ");
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break;
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case text_filter::EXCLUDE:
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if (tf->get_lang() == filter_lang_t::REGEX) {
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value_out.append("OUT ");
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} else {
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value_out.append(" ");
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}
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break;
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default:
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ensure(0);
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break;
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}
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if (this->fss_editing && line == tc.get_selection()) {
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fmt::format_to(
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std::back_inserter(value_out), FMT_STRING("{:>9} hits | "), "-");
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} else {
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fmt::format_to(std::back_inserter(value_out),
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FMT_STRING("{:>9L} hits | "),
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tss->get_filtered_count_for(tf->get_index()));
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}
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value_out.append(tf->get_id());
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}
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void
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filter_sub_source::text_attrs_for_line(textview_curses& tc,
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int line,
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string_attrs_t& value_out)
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{
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auto& vcolors = view_colors::singleton();
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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auto tf = *(fs.begin() + line);
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bool selected
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= lnav_data.ld_mode == ln_mode_t::FILTER && line == tc.get_selection();
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if (selected) {
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value_out.emplace_back(line_range{0, 1},
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VC_GRAPHIC.value(ACS_RARROW));
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}
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chtype enabled = tf->is_enabled() ? ACS_DIAMOND : ' ';
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line_range lr{2, 3};
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value_out.emplace_back(lr, VC_GRAPHIC.value(enabled));
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if (tf->is_enabled()) {
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value_out.emplace_back(lr,
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VC_FOREGROUND.value(
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vcolors.ansi_to_theme_color(COLOR_GREEN)));
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}
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role_t fg_role = tf->get_type() == text_filter::INCLUDE ? role_t::VCR_OK
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: role_t::VCR_ERROR;
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value_out.emplace_back(line_range{4, 7},
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VC_ROLE_FG.value(fg_role));
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value_out.emplace_back(line_range{4, 7},
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VC_STYLE.value(A_BOLD));
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value_out.emplace_back(line_range{8, 17},
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VC_STYLE.value(A_BOLD));
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value_out.emplace_back(line_range{23, 24},
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VC_GRAPHIC.value(ACS_VLINE));
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if (selected) {
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value_out.emplace_back(
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line_range{0, -1},
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VC_ROLE.value(role_t::VCR_FOCUSED));
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}
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attr_line_t content{tf->get_id()};
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auto& content_attrs = content.get_attrs();
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switch (tf->get_lang()) {
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case filter_lang_t::REGEX:
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readline_regex_highlighter(content, content.length());
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break;
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case filter_lang_t::SQL:
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readline_sqlite_highlighter(content, content.length());
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break;
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case filter_lang_t::NONE:
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break;
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}
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shift_string_attrs(content_attrs, 0, 25);
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value_out.insert(
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value_out.end(), content_attrs.begin(), content_attrs.end());
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}
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size_t
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filter_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 raw)
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{
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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auto tf = *(fs.begin() + line);
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return 8 + tf->get_id().size();
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}
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void
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filter_sub_source::rl_change(readline_curses* rc)
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{
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textview_curses* top_view = *lnav_data.ld_view_stack.top();
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text_sub_source* tss = top_view->get_sub_source();
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filter_stack& fs = tss->get_filters();
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if (fs.empty()) {
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return;
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}
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auto iter = fs.begin() + this->tss_view->get_selection();
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auto tf = *iter;
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auto new_value = rc->get_line_buffer();
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switch (tf->get_lang()) {
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case filter_lang_t::NONE:
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break;
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case filter_lang_t::REGEX: {
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auto_mem<pcre> code;
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const char* errptr;
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int eoff;
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if ((code = pcre_compile(
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new_value.c_str(), PCRE_CASELESS, &errptr, &eoff, nullptr))
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== nullptr)
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{
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lnav_data.ld_filter_help_status_source.fss_error.set_value(
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"error: %s", errptr);
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} else {
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auto& hm = top_view->get_highlights();
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highlighter hl(code.release());
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int color;
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if (tf->get_type() == text_filter::EXCLUDE) {
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color = COLOR_RED;
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} else {
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color = COLOR_GREEN;
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}
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hl.with_attrs(view_colors::ansi_color_pair(COLOR_BLACK, color)
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| A_BLINK);
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hm[{highlight_source_t::PREVIEW, "preview"}] = hl;
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top_view->set_needs_update();
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lnav_data.ld_filter_help_status_source.fss_error.clear();
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}
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break;
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}
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case filter_lang_t::SQL: {
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auto full_sql
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= fmt::format(FMT_STRING("SELECT 1 WHERE {}"), new_value);
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auto_mem<sqlite3_stmt> stmt(sqlite3_finalize);
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#ifdef SQLITE_PREPARE_PERSISTENT
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auto retcode = sqlite3_prepare_v3(lnav_data.ld_db.in(),
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full_sql.c_str(),
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full_sql.size(),
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SQLITE_PREPARE_PERSISTENT,
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stmt.out(),
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nullptr);
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#else
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auto retcode = sqlite3_prepare_v2(lnav_data.ld_db.in(),
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full_sql.c_str(),
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full_sql.size(),
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stmt.out(),
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nullptr);
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#endif
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if (retcode != SQLITE_OK) {
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lnav_data.ld_filter_help_status_source.fss_error.set_value(
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"error: %s", sqlite3_errmsg(lnav_data.ld_db));
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} else {
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|
auto set_res = lnav_data.ld_log_source.set_preview_sql_filter(
|
|
stmt.release());
|
|
|
|
if (set_res.isErr()) {
|
|
lnav_data.ld_filter_help_status_source.fss_error.set_value(
|
|
"error: %s", set_res.unwrapErr().c_str());
|
|
} else {
|
|
top_view->set_needs_update();
|
|
lnav_data.ld_filter_help_status_source.fss_error.clear();
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
filter_sub_source::rl_perform(readline_curses* rc)
|
|
{
|
|
textview_curses* top_view = *lnav_data.ld_view_stack.top();
|
|
text_sub_source* tss = top_view->get_sub_source();
|
|
filter_stack& fs = tss->get_filters();
|
|
auto iter = fs.begin() + this->tss_view->get_selection();
|
|
auto tf = *iter;
|
|
auto new_value = rc->get_value().get_string();
|
|
|
|
if (new_value.empty()) {
|
|
this->rl_abort(rc);
|
|
} else {
|
|
top_view->get_highlights().erase(
|
|
{highlight_source_t::PREVIEW, "preview"});
|
|
switch (tf->get_lang()) {
|
|
case filter_lang_t::NONE:
|
|
case filter_lang_t::REGEX: {
|
|
auto_mem<pcre> code;
|
|
const char* errptr;
|
|
int eoff;
|
|
|
|
if ((code = pcre_compile(new_value.c_str(),
|
|
PCRE_CASELESS,
|
|
&errptr,
|
|
&eoff,
|
|
nullptr))
|
|
== nullptr)
|
|
{
|
|
this->rl_abort(rc);
|
|
} else {
|
|
tf->lf_deleted = true;
|
|
tss->text_filters_changed();
|
|
|
|
auto pf = std::make_shared<pcre_filter>(tf->get_type(),
|
|
new_value,
|
|
tf->get_index(),
|
|
code.release());
|
|
|
|
*iter = pf;
|
|
tss->text_filters_changed();
|
|
}
|
|
break;
|
|
}
|
|
case filter_lang_t::SQL: {
|
|
auto full_sql
|
|
= fmt::format(FMT_STRING("SELECT 1 WHERE {}"), new_value);
|
|
auto_mem<sqlite3_stmt> stmt(sqlite3_finalize);
|
|
#ifdef SQLITE_PREPARE_PERSISTENT
|
|
auto retcode = sqlite3_prepare_v3(lnav_data.ld_db.in(),
|
|
full_sql.c_str(),
|
|
full_sql.size(),
|
|
SQLITE_PREPARE_PERSISTENT,
|
|
stmt.out(),
|
|
nullptr);
|
|
#else
|
|
auto retcode = sqlite3_prepare_v2(lnav_data.ld_db.in(),
|
|
full_sql.c_str(),
|
|
full_sql.size(),
|
|
stmt.out(),
|
|
nullptr);
|
|
#endif
|
|
if (retcode != SQLITE_OK) {
|
|
this->rl_abort(rc);
|
|
} else {
|
|
lnav_data.ld_log_source.set_sql_filter(new_value,
|
|
stmt.release());
|
|
tss->text_filters_changed();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
lnav_data.ld_log_source.set_preview_sql_filter(nullptr);
|
|
lnav_data.ld_filter_help_status_source.fss_prompt.clear();
|
|
this->fss_editing = false;
|
|
this->fss_editor.set_visible(false);
|
|
this->tss_view->reload_data();
|
|
}
|
|
|
|
void
|
|
filter_sub_source::rl_abort(readline_curses* rc)
|
|
{
|
|
textview_curses* top_view = *lnav_data.ld_view_stack.top();
|
|
text_sub_source* tss = top_view->get_sub_source();
|
|
filter_stack& fs = tss->get_filters();
|
|
auto iter = fs.begin() + this->tss_view->get_selection();
|
|
auto tf = *iter;
|
|
|
|
lnav_data.ld_log_source.set_preview_sql_filter(nullptr);
|
|
lnav_data.ld_filter_help_status_source.fss_prompt.clear();
|
|
lnav_data.ld_filter_help_status_source.fss_error.clear();
|
|
top_view->get_highlights().erase({highlight_source_t::PREVIEW, "preview"});
|
|
top_view->reload_data();
|
|
fs.delete_filter("");
|
|
this->tss_view->reload_data();
|
|
this->fss_editor.set_visible(false);
|
|
this->fss_editing = false;
|
|
this->tss_view->set_needs_update();
|
|
tf->set_enabled(this->fss_filter_state);
|
|
tss->text_filters_changed();
|
|
this->tss_view->reload_data();
|
|
}
|
|
|
|
void
|
|
filter_sub_source::rl_display_matches(readline_curses* rc)
|
|
{
|
|
const std::vector<std::string>& matches = rc->get_matches();
|
|
unsigned long width = 0;
|
|
|
|
if (matches.empty()) {
|
|
this->fss_match_source.clear();
|
|
this->fss_match_view.set_height(0_vl);
|
|
this->tss_view->set_needs_update();
|
|
} else {
|
|
auto current_match = rc->get_match_string();
|
|
attr_line_t al;
|
|
vis_line_t line, selected_line;
|
|
|
|
for (auto& match : matches) {
|
|
if (match == current_match) {
|
|
al.append(match, VC_STYLE.value(A_REVERSE));
|
|
selected_line = line;
|
|
} else {
|
|
al.append(match);
|
|
}
|
|
al.append(1, '\n');
|
|
width = std::max(width, (unsigned long) match.size());
|
|
line += 1_vl;
|
|
}
|
|
|
|
this->fss_match_view.set_selection(selected_line);
|
|
this->fss_match_source.replace_with(al);
|
|
this->fss_match_view.set_height(
|
|
std::min(vis_line_t(matches.size()), 3_vl));
|
|
}
|
|
|
|
this->fss_match_view.set_window(this->tss_view->get_window());
|
|
this->fss_match_view.set_y(rc->get_y() + 1);
|
|
this->fss_match_view.set_x(rc->get_left() + rc->get_match_start());
|
|
this->fss_match_view.set_width(width + 3);
|
|
this->fss_match_view.set_needs_update();
|
|
this->fss_match_view.scroll_selection_into_view();
|
|
this->fss_match_view.reload_data();
|
|
}
|
|
|
|
void
|
|
filter_sub_source::rl_display_next(readline_curses* rc)
|
|
{
|
|
textview_curses& tc = this->fss_match_view;
|
|
|
|
if (tc.get_top() >= (tc.get_top_for_last_row() - 1)) {
|
|
tc.set_top(0_vl);
|
|
} else {
|
|
tc.shift_top(tc.get_height());
|
|
}
|
|
}
|
|
|
|
void
|
|
filter_sub_source::list_input_handle_scroll_out(listview_curses& lv)
|
|
{
|
|
lnav_data.ld_mode = ln_mode_t::PAGING;
|
|
lnav_data.ld_filter_view.reload_data();
|
|
}
|