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lnav/src/textview_curses.cc

1423 lines
46 KiB
C++

/**
* Copyright (c) 2007-2012, 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 <algorithm>
#include <vector>
#include "textview_curses.hh"
#include "base/ansi_scrubber.hh"
#include "base/humanize.time.hh"
#include "base/injector.hh"
#include "base/time_util.hh"
#include "config.h"
#include "data_scanner.hh"
#include "date/solar_hijri.h"
#include "fmt/format.h"
#include "lnav_config.hh"
#include "log_format_fwd.hh"
#include "logfile.hh"
#include "shlex.hh"
#include "text_overlay_menu.hh"
#include "view_curses.hh"
const auto REVERSE_SEARCH_OFFSET = 2000_vl;
void
text_filter::revert_to_last(logfile_filter_state& lfs, size_t rollback_size)
{
require(lfs.tfs_lines_for_message[this->lf_index] == 0);
lfs.tfs_message_matched[this->lf_index]
= lfs.tfs_last_message_matched[this->lf_index];
lfs.tfs_lines_for_message[this->lf_index]
= lfs.tfs_last_lines_for_message[this->lf_index];
for (size_t lpc = 0; lpc < lfs.tfs_lines_for_message[this->lf_index]; lpc++)
{
if (lfs.tfs_message_matched[this->lf_index]) {
lfs.tfs_filter_hits[this->lf_index] -= 1;
}
lfs.tfs_filter_count[this->lf_index] -= 1;
size_t line_number = lfs.tfs_filter_count[this->lf_index];
lfs.tfs_mask[line_number] &= ~(((uint32_t) 1) << this->lf_index);
}
if (lfs.tfs_lines_for_message[this->lf_index] > 0) {
require(lfs.tfs_lines_for_message[this->lf_index] >= rollback_size);
lfs.tfs_lines_for_message[this->lf_index] -= rollback_size;
}
if (lfs.tfs_lines_for_message[this->lf_index] == 0) {
lfs.tfs_message_matched[this->lf_index] = false;
}
}
void
text_filter::add_line(logfile_filter_state& lfs,
logfile::const_iterator ll,
const shared_buffer_ref& line)
{
bool match_state = this->matches(line_source{*lfs.tfs_logfile, ll}, line);
if (ll->is_message()) {
this->end_of_message(lfs);
}
lfs.tfs_message_matched[this->lf_index]
= lfs.tfs_message_matched[this->lf_index] || match_state;
lfs.tfs_lines_for_message[this->lf_index] += 1;
}
void
text_filter::end_of_message(logfile_filter_state& lfs)
{
uint32_t mask = 0;
mask = ((uint32_t) 1U << this->lf_index);
for (size_t lpc = 0; lpc < lfs.tfs_lines_for_message[this->lf_index]; lpc++)
{
require(lfs.tfs_filter_count[this->lf_index]
<= lfs.tfs_logfile->size());
size_t line_number = lfs.tfs_filter_count[this->lf_index];
if (lfs.tfs_message_matched[this->lf_index]) {
lfs.tfs_mask[line_number] |= mask;
} else {
lfs.tfs_mask[line_number] &= ~mask;
}
lfs.tfs_filter_count[this->lf_index] += 1;
if (lfs.tfs_message_matched[this->lf_index]) {
lfs.tfs_filter_hits[this->lf_index] += 1;
}
}
lfs.tfs_last_message_matched[this->lf_index]
= lfs.tfs_message_matched[this->lf_index];
lfs.tfs_last_lines_for_message[this->lf_index]
= lfs.tfs_lines_for_message[this->lf_index];
lfs.tfs_message_matched[this->lf_index] = false;
lfs.tfs_lines_for_message[this->lf_index] = 0;
}
log_accel::direction_t
text_accel_source::get_line_accel_direction(vis_line_t vl)
{
log_accel la;
while (vl >= 0) {
const auto* curr_line = this->text_accel_get_line(vl);
if (!curr_line->is_message()) {
--vl;
continue;
}
if (!la.add_point(curr_line->get_time_in_millis())) {
break;
}
--vl;
}
return la.get_direction();
}
std::string
text_accel_source::get_time_offset_for_line(textview_curses& tc, vis_line_t vl)
{
auto ll = this->text_accel_get_line(vl);
auto curr_tv = ll->get_timeval();
struct timeval diff_tv;
auto prev_umark = tc.get_bookmarks()[&textview_curses::BM_USER].prev(vl);
auto next_umark = tc.get_bookmarks()[&textview_curses::BM_USER].next(vl);
auto prev_emark
= tc.get_bookmarks()[&textview_curses::BM_USER_EXPR].prev(vl);
auto next_emark
= tc.get_bookmarks()[&textview_curses::BM_USER_EXPR].next(vl);
if (!prev_umark && !prev_emark && (next_umark || next_emark)) {
auto next_line = this->text_accel_get_line(
std::max(next_umark.value_or(0_vl), next_emark.value_or(0_vl)));
diff_tv = curr_tv - next_line->get_timeval();
} else {
auto prev_row
= std::max(prev_umark.value_or(0_vl), prev_emark.value_or(0_vl));
auto first_line = this->text_accel_get_line(prev_row);
auto start_tv = first_line->get_timeval();
diff_tv = curr_tv - start_tv;
}
return humanize::time::duration::from_tv(diff_tv).to_string();
}
const bookmark_type_t textview_curses::BM_USER("user");
const bookmark_type_t textview_curses::BM_USER_EXPR("user-expr");
const bookmark_type_t textview_curses::BM_SEARCH("search");
const bookmark_type_t textview_curses::BM_META("meta");
const bookmark_type_t textview_curses::BM_PARTITION("partition");
textview_curses::
textview_curses()
: lnav_config_listener(__FILE__), tc_search_action(noop_func{})
{
this->set_data_source(this);
}
textview_curses::~
textview_curses()
{
this->tc_search_action = noop_func{};
}
void
textview_curses::reload_config(error_reporter& reporter)
{
const static auto DEFAULT_THEME_NAME = std::string("default");
for (auto iter = this->tc_highlights.begin();
iter != this->tc_highlights.end();)
{
if (iter->first.first != highlight_source_t::THEME) {
++iter;
continue;
}
iter = this->tc_highlights.erase(iter);
}
std::map<std::string, scoped_value_t> vars;
auto curr_theme_iter
= lnav_config.lc_ui_theme_defs.find(lnav_config.lc_ui_theme);
if (curr_theme_iter != lnav_config.lc_ui_theme_defs.end()) {
for (const auto& vpair : curr_theme_iter->second.lt_vars) {
vars[vpair.first] = vpair.second;
}
}
for (const auto& theme_name : {DEFAULT_THEME_NAME, lnav_config.lc_ui_theme})
{
auto theme_iter = lnav_config.lc_ui_theme_defs.find(theme_name);
if (theme_iter == lnav_config.lc_ui_theme_defs.end()) {
continue;
}
for (const auto& hl_pair : theme_iter->second.lt_highlights) {
if (hl_pair.second.hc_regex.pp_value == nullptr) {
continue;
}
const auto& sc = hl_pair.second.hc_style;
std::string fg1, bg1, fg_color, bg_color, errmsg;
bool invalid = false;
text_attrs attrs;
fg1 = sc.sc_color;
bg1 = sc.sc_background_color;
shlex(fg1).eval(fg_color, scoped_resolver{&vars});
shlex(bg1).eval(bg_color, scoped_resolver{&vars});
auto fg = styling::color_unit::from_str(fg_color).unwrapOrElse(
[&](const auto& msg) {
reporter(&sc.sc_color,
lnav::console::user_message::error(
attr_line_t("invalid color -- ")
.append_quoted(sc.sc_color))
.with_reason(msg));
invalid = true;
return styling::color_unit::make_empty();
});
auto bg = styling::color_unit::from_str(bg_color).unwrapOrElse(
[&](const auto& msg) {
reporter(&sc.sc_background_color,
lnav::console::user_message::error(
attr_line_t("invalid background color -- ")
.append_quoted(sc.sc_background_color))
.with_reason(msg));
invalid = true;
return styling::color_unit::make_empty();
});
if (invalid) {
continue;
}
if (sc.sc_bold) {
attrs.ta_attrs |= A_BOLD;
}
if (sc.sc_underline) {
attrs.ta_attrs |= A_UNDERLINE;
}
this->tc_highlights[{highlight_source_t::THEME, hl_pair.first}]
= highlighter(hl_pair.second.hc_regex.pp_value)
.with_attrs(attrs)
.with_color(fg, bg)
.with_nestable(false);
}
}
if (this->tc_reload_config_delegate) {
this->tc_reload_config_delegate(*this);
}
}
void
textview_curses::invoke_scroll()
{
this->tc_selected_text = std::nullopt;
if (this->tc_sub_source != nullptr) {
this->tc_sub_source->scroll_invoked(this);
}
listview_curses::invoke_scroll();
}
void
textview_curses::reload_data()
{
this->tc_selected_text = std::nullopt;
if (this->tc_sub_source != nullptr) {
this->tc_sub_source->text_update_marks(this->tc_bookmarks);
}
if (this->tc_sub_source != nullptr) {
auto* ttt = dynamic_cast<text_time_translator*>(this->tc_sub_source);
if (ttt != nullptr) {
ttt->data_reloaded(this);
}
}
listview_curses::reload_data();
}
void
textview_curses::grep_begin(grep_proc<vis_line_t>& gp,
vis_line_t start,
vis_line_t stop)
{
require(this->tc_searching >= 0);
this->tc_searching += 1;
this->tc_search_action(this);
if (start != -1_vl) {
auto& search_bv = this->tc_bookmarks[&BM_SEARCH];
auto pair = search_bv.equal_range(start, stop);
if (pair.first != pair.second) {
this->set_needs_update();
}
for (auto mark_iter = pair.first; mark_iter != pair.second; ++mark_iter)
{
if (this->tc_sub_source) {
this->tc_sub_source->text_mark(&BM_SEARCH, *mark_iter, false);
}
}
if (pair.first != pair.second) {
search_bv.erase(pair.first, pair.second);
}
}
listview_curses::reload_data();
}
void
textview_curses::grep_end_batch(grep_proc<vis_line_t>& gp)
{
if (this->tc_follow_deadline.tv_sec
&& this->tc_follow_selection == this->get_selection())
{
struct timeval now;
gettimeofday(&now, nullptr);
if (this->tc_follow_deadline < now) {
} else {
if (this->tc_follow_func) {
if (this->tc_follow_func()) {
this->tc_follow_deadline = {0, 0};
}
} else {
this->tc_follow_deadline = {0, 0};
}
}
}
this->tc_search_action(this);
}
void
textview_curses::grep_end(grep_proc<vis_line_t>& gp)
{
this->tc_searching -= 1;
this->grep_end_batch(gp);
ensure(this->tc_searching >= 0);
}
void
textview_curses::grep_match(grep_proc<vis_line_t>& gp,
vis_line_t line,
int start,
int end)
{
this->tc_bookmarks[&BM_SEARCH].insert_once(vis_line_t(line));
if (this->tc_sub_source != nullptr) {
this->tc_sub_source->text_mark(&BM_SEARCH, line, true);
}
if (this->get_top() <= line && line <= this->get_bottom()) {
listview_curses::reload_data();
}
}
void
textview_curses::listview_value_for_rows(const listview_curses& lv,
vis_line_t row,
std::vector<attr_line_t>& rows_out)
{
for (auto& al : rows_out) {
this->textview_value_for_row(row, al);
++row;
}
}
bool
textview_curses::handle_mouse(mouse_event& me)
{
unsigned long width;
vis_line_t height;
if (!this->vc_visible || this->lv_height == 0) {
return false;
}
if (!this->tc_selection_start && listview_curses::handle_mouse(me)) {
return true;
}
auto mouse_line = (me.me_y < 0 || me.me_y >= this->lv_display_lines.size())
? empty_space{}
: this->lv_display_lines[me.me_y];
this->get_dimensions(height, width);
if (!mouse_line.is<overlay_menu>()
&& (me.me_button != mouse_button_t::BUTTON_LEFT
|| me.me_state != mouse_button_state_t::BUTTON_STATE_RELEASED))
{
this->tc_selected_text = std::nullopt;
this->set_needs_update();
}
std::optional<int> overlay_content_min_y;
std::optional<int> overlay_content_max_y;
if (this->tc_press_line.is<overlay_content>()) {
auto main_line
= this->tc_press_line.get<overlay_content>().oc_main_line;
for (size_t lpc = 0; lpc < this->lv_display_lines.size(); lpc++) {
if (overlay_content_min_y
&& !this->lv_display_lines[lpc].is<static_overlay_content>()
&& !this->lv_display_lines[lpc].is<overlay_content>())
{
overlay_content_max_y = lpc;
break;
}
if (this->lv_display_lines[lpc].is<main_content>()) {
auto& mc = this->lv_display_lines[lpc].get<main_content>();
if (mc.mc_line == main_line) {
overlay_content_min_y = lpc;
}
}
}
if (overlay_content_min_y && !overlay_content_max_y) {
overlay_content_max_y = this->lv_display_lines.size();
}
}
auto* sub_delegate = dynamic_cast<text_delegate*>(this->tc_sub_source);
switch (me.me_state) {
case mouse_button_state_t::BUTTON_STATE_PRESSED: {
this->tc_text_selection_active = true;
this->tc_press_line = mouse_line;
this->tc_press_left = this->lv_left + me.me_press_x;
if (!this->lv_selectable) {
this->set_selectable(true);
}
mouse_line.match(
[this, &me, sub_delegate, &mouse_line](const main_content& mc) {
if (this->vc_enabled) {
if (this->tc_supports_marks
&& me.me_button == mouse_button_t::BUTTON_LEFT
&& (me.is_modifier_pressed(
mouse_event::modifier_t::shift)
|| me.is_modifier_pressed(
mouse_event::modifier_t::ctrl)))
{
this->tc_selection_start = mc.mc_line;
}
this->set_selection_without_context(mc.mc_line);
this->tc_press_event = me;
}
if (this->tc_delegate != nullptr) {
this->tc_delegate->text_handle_mouse(
*this, mouse_line, me);
}
if (sub_delegate != nullptr) {
sub_delegate->text_handle_mouse(*this, mouse_line, me);
}
},
[](const overlay_menu& om) {},
[](const static_overlay_content& soc) {
},
[this](const overlay_content& oc) {
this->set_overlay_selection(oc.oc_line);
},
[](const empty_space& es) {});
break;
}
case mouse_button_state_t::BUTTON_STATE_DOUBLE_CLICK: {
if (!this->lv_selectable) {
this->set_selectable(true);
}
this->tc_text_selection_active = false;
mouse_line.match(
[this, &me, &mouse_line, sub_delegate](const main_content& mc) {
if (this->vc_enabled) {
if (this->tc_supports_marks
&& me.me_button == mouse_button_t::BUTTON_LEFT)
{
attr_line_t al;
this->textview_value_for_row(mc.mc_line, al);
auto line_sf
= string_fragment::from_str(al.get_string());
auto cursor_sf = line_sf.sub_cell_range(
this->lv_left + me.me_x,
this->lv_left + me.me_x);
auto ds = data_scanner(line_sf);
auto tf = this->tc_sub_source->get_text_format();
while (true) {
auto tok_res = ds.tokenize2(tf);
if (!tok_res) {
break;
}
auto tok = tok_res.value();
auto tok_sf
= (tok.tr_token
== data_token_t::DT_QUOTED_STRING
&& (cursor_sf.sf_begin
== tok.to_string_fragment()
.sf_begin
|| cursor_sf.sf_begin
== tok.to_string_fragment()
.sf_end
- 1))
? tok.to_string_fragment()
: tok.inner_string_fragment();
if (tok_sf.contains(cursor_sf)
&& tok.tr_token != data_token_t::DT_WHITE)
{
auto group_tok
= ds.find_matching_bracket(tf, tok);
if (group_tok) {
tok_sf = group_tok.value()
.to_string_fragment();
}
this->tc_selected_text = selected_text_info{
me.me_x,
mc.mc_line,
line_range{
tok_sf.sf_begin,
tok_sf.sf_end,
},
tok_sf.to_string(),
};
this->set_needs_update();
break;
}
}
}
this->set_selection_without_context(mc.mc_line);
}
if (this->tc_delegate != nullptr) {
this->tc_delegate->text_handle_mouse(
*this, mouse_line, me);
}
if (sub_delegate != nullptr) {
sub_delegate->text_handle_mouse(*this, mouse_line, me);
}
},
[](const static_overlay_content& soc) {
},
[](const overlay_menu& om) {
},
[](const overlay_content& oc) {
},
[](const empty_space& es) {});
break;
}
case mouse_button_state_t::BUTTON_STATE_DRAGGED: {
this->tc_text_selection_active = true;
if (!this->vc_enabled) {
} else if (me.me_y == me.me_press_y) {
if (mouse_line.is<main_content>()) {
auto& mc = mouse_line.get<main_content>();
attr_line_t al;
auto low_x = std::min(this->tc_press_left,
(int) this->lv_left + me.me_x);
auto high_x = std::max(this->tc_press_left,
(int) this->lv_left + me.me_x);
this->set_selection_without_context(mc.mc_line);
if (this->tc_supports_marks
&& me.me_button == mouse_button_t::BUTTON_LEFT)
{
this->textview_value_for_row(mc.mc_line, al);
auto line_sf
= string_fragment::from_str(al.get_string());
auto cursor_sf = line_sf.sub_cell_range(low_x, high_x);
if (me.me_x <= 1) {
this->set_left(this->lv_left - 1);
} else if (me.me_x >= width - 1) {
this->set_left(this->lv_left + 1);
}
if (!cursor_sf.empty()) {
this->tc_selected_text = {
me.me_x,
mc.mc_line,
line_range{
cursor_sf.sf_begin,
cursor_sf.sf_end,
},
cursor_sf.to_string(),
};
}
}
}
} else {
if (this->tc_press_line.is<main_content>()) {
if (me.me_y < 0) {
this->shift_selection(
listview_curses::shift_amount_t::up_line);
} else if (me.me_y >= height) {
this->shift_selection(
listview_curses::shift_amount_t::down_line);
} else if (mouse_line.is<main_content>()) {
this->set_selection_without_context(
mouse_line.get<main_content>().mc_line);
}
} else if (this->tc_press_line.is<overlay_content>()
&& overlay_content_min_y && overlay_content_max_y)
{
if (me.me_y < overlay_content_min_y.value()) {
this->set_overlay_selection(
this->get_overlay_selection().value_or(0_vl)
- 1_vl);
} else if (me.me_y >= overlay_content_max_y.value()) {
this->set_overlay_selection(
this->get_overlay_selection().value_or(0_vl)
+ 1_vl);
} else if (mouse_line.is<overlay_content>()) {
this->set_overlay_selection(
mouse_line.get<overlay_content>().oc_line);
}
}
}
break;
}
case mouse_button_state_t::BUTTON_STATE_RELEASED: {
auto* ov = this->get_overlay_source();
if (ov != nullptr && mouse_line.is<listview_curses::overlay_menu>()
&& this->tc_selected_text)
{
auto* tom = dynamic_cast<text_overlay_menu*>(ov);
if (tom != nullptr) {
auto& om = mouse_line.get<listview_curses::overlay_menu>();
auto& sti = this->tc_selected_text.value();
for (const auto& mi : tom->tom_menu_items) {
if (om.om_line == mi.mi_line
&& me.is_click_in(mouse_button_t::BUTTON_LEFT,
mi.mi_range))
{
mi.mi_action(sti.sti_value);
break;
}
}
}
}
this->tc_text_selection_active = false;
if (me.is_click_in(mouse_button_t::BUTTON_RIGHT, 0, INT_MAX)) {
auto* lov = this->get_overlay_source();
if (lov != nullptr) {
lov->set_show_details_in_overlay(
!lov->get_show_details_in_overlay());
}
}
if (this->vc_enabled) {
if (this->tc_selection_start) {
this->toggle_user_mark(&BM_USER,
this->tc_selection_start.value(),
this->get_selection());
this->reload_data();
}
this->tc_selection_start = std::nullopt;
}
if (me.me_button == mouse_button_t::BUTTON_LEFT
&& mouse_line.is<main_content>())
{
const auto& [mc_line] = mouse_line.get<main_content>();
attr_line_t al;
this->textview_value_for_row(mc_line, al);
auto get_res = get_string_attr(al.get_attrs(),
&VC_HYPERLINK,
this->lv_left + me.me_press_x);
if (get_res) {
auto href = get_res.value()->sa_value.get<std::string>();
if (startswith(href, "#")) {
auto* ta
= dynamic_cast<text_anchors*>(this->tc_sub_source);
if (ta != nullptr) {
ta->row_for_anchor(href) |
[this](auto row) { this->set_selection(row); };
}
}
}
}
if (this->tc_delegate != nullptr) {
this->tc_delegate->text_handle_mouse(*this, mouse_line, me);
}
if (sub_delegate != nullptr) {
sub_delegate->text_handle_mouse(*this, mouse_line, me);
}
if (mouse_line.is<overlay_menu>()) {
this->tc_selected_text = std::nullopt;
this->set_needs_update();
}
break;
}
}
return true;
}
void
textview_curses::textview_value_for_row(vis_line_t row, attr_line_t& value_out)
{
auto& sa = value_out.get_attrs();
auto& str = value_out.get_string();
auto source_format = this->tc_sub_source->get_text_format();
intern_string_t format_name;
this->tc_sub_source->text_value_for_line(*this, row, str);
this->tc_sub_source->text_attrs_for_line(*this, row, sa);
for (const auto& attr : sa) {
require_ge(attr.sa_range.lr_start, 0);
}
scrub_ansi_string(str, &sa);
struct line_range body, orig_line;
body = find_string_attr_range(sa, &SA_BODY);
if (body.lr_start == -1) {
body.lr_start = 0;
body.lr_end = str.size();
}
orig_line = find_string_attr_range(sa, &SA_ORIGINAL_LINE);
if (!orig_line.is_valid()) {
orig_line.lr_start = 0;
orig_line.lr_end = str.size();
}
auto format_attr_opt = get_string_attr(sa, SA_FORMAT);
if (format_attr_opt) {
format_name = format_attr_opt.value().get();
}
if (this->is_selectable() && this->tc_cursor_role
&& this->tc_disabled_cursor_role)
{
vis_line_t sel_start, sel_end;
sel_start = sel_end = this->get_selection();
if (this->tc_selection_start) {
if (this->tc_selection_start.value() < sel_end) {
sel_start = this->tc_selection_start.value();
} else {
sel_end = this->tc_selection_start.value();
}
}
if (sel_start <= row && row <= sel_end) {
auto role = this->get_overlay_selection()
? this->tc_disabled_cursor_role.value()
: this->tc_cursor_role.value();
sa.emplace_back(line_range{orig_line.lr_start, -1},
VC_ROLE.value(role));
}
}
for (auto& tc_highlight : this->tc_highlights) {
bool internal_hl
= tc_highlight.first.first == highlight_source_t::INTERNAL
|| tc_highlight.first.first == highlight_source_t::THEME;
if (!tc_highlight.second.h_text_formats.empty()
&& tc_highlight.second.h_text_formats.count(source_format) == 0)
{
continue;
}
if (!tc_highlight.second.h_format_name.empty()
&& tc_highlight.second.h_format_name != format_name)
{
continue;
}
if (this->tc_disabled_highlights.count(tc_highlight.first.first)) {
continue;
}
// Internal highlights should only apply to the log message body so
// that we don't start highlighting other fields. User-provided
// highlights should apply only to the line itself and not any of the
// surrounding decorations that are added (for example, the file lines
// that are inserted at the beginning of the log view).
int start_pos = internal_hl ? body.lr_start : orig_line.lr_start;
tc_highlight.second.annotate(value_out, start_pos);
}
if (this->tc_hide_fields) {
value_out.apply_hide();
}
const auto& user_marks = this->tc_bookmarks[&BM_USER];
const auto& user_expr_marks = this->tc_bookmarks[&BM_USER_EXPR];
if (std::binary_search(user_marks.begin(), user_marks.end(), row)
|| std::binary_search(
user_expr_marks.begin(), user_expr_marks.end(), row))
{
sa.emplace_back(line_range{orig_line.lr_start, -1},
VC_STYLE.value(text_attrs{A_REVERSE}));
}
if (this->tc_selected_text) {
const auto& sti = this->tc_selected_text.value();
if (sti.sti_line == row) {
sa.emplace_back(sti.sti_range,
VC_ROLE.value(role_t::VCR_SELECTED_TEXT));
}
}
}
void
textview_curses::execute_search(const std::string& regex_orig)
{
std::string regex = regex_orig;
std::shared_ptr<lnav::pcre2pp::code> code;
if ((this->tc_search_child == nullptr)
|| (regex != this->tc_current_search))
{
this->match_reset();
this->tc_search_child.reset();
this->tc_source_search_child.reset();
log_debug("start search for: '%s'", regex.c_str());
if (regex.empty()) {
} else {
auto compile_res = lnav::pcre2pp::code::from(regex, PCRE2_CASELESS);
if (compile_res.isErr()) {
auto ce = compile_res.unwrapErr();
regex = lnav::pcre2pp::quote(regex);
log_info("invalid search regex (%s), using quoted: %s",
ce.get_message().c_str(),
regex.c_str());
auto compile_quote_res
= lnav::pcre2pp::code::from(regex, PCRE2_CASELESS);
if (compile_quote_res.isErr()) {
log_error("Unable to compile quoted regex: %s",
regex.c_str());
} else {
code = compile_quote_res.unwrap().to_shared();
}
} else {
code = compile_res.unwrap().to_shared();
}
}
if (code != nullptr) {
highlighter hl(code);
hl.with_role(role_t::VCR_SEARCH);
auto& hm = this->get_highlights();
hm[{highlight_source_t::PREVIEW, "search"}] = hl;
auto gp = injector::get<std::shared_ptr<grep_proc<vis_line_t>>>(
code, *this);
gp->set_sink(this);
auto top = this->get_top();
if (top < REVERSE_SEARCH_OFFSET) {
top = 0_vl;
} else {
top -= REVERSE_SEARCH_OFFSET;
}
gp->queue_request(top);
if (top > 0) {
gp->queue_request(0_vl, top);
}
gp->start();
this->tc_search_child = std::make_shared<grep_highlighter>(
gp, highlight_source_t::PREVIEW, "search", hm);
if (this->tc_sub_source != nullptr) {
this->tc_sub_source->get_grepper() | [this, code](auto pair) {
auto sgp
= injector::get<std::shared_ptr<grep_proc<vis_line_t>>>(
code, *pair.first);
sgp->set_sink(pair.second);
sgp->queue_request(0_vl);
sgp->start();
this->tc_source_search_child = sgp;
};
}
}
}
this->tc_current_search = regex;
if (this->tc_state_event_handler) {
this->tc_state_event_handler(*this);
}
}
std::optional<std::pair<int, int>>
textview_curses::horiz_shift(vis_line_t start, vis_line_t end, int off_start)
{
auto hl_iter
= this->tc_highlights.find({highlight_source_t::PREVIEW, "search"});
if (hl_iter == this->tc_highlights.end()
|| hl_iter->second.h_regex == nullptr)
{
return std::nullopt;
}
int prev_hit = -1, next_hit = INT_MAX;
for (; start < end; ++start) {
std::vector<attr_line_t> rows(1);
this->listview_value_for_rows(*this, start, rows);
const auto& str = rows[0].get_string();
hl_iter->second.h_regex->capture_from(str).for_each(
[&](lnav::pcre2pp::match_data& md) {
auto cap = md[0].value();
if (cap.sf_begin < off_start) {
prev_hit = std::max(prev_hit, cap.sf_begin);
} else if (cap.sf_begin > off_start) {
next_hit = std::min(next_hit, cap.sf_begin);
}
});
}
if (prev_hit == -1 && next_hit == INT_MAX) {
return std::nullopt;
}
return std::make_pair(prev_hit, next_hit);
}
void
textview_curses::set_user_mark(const bookmark_type_t* bm,
vis_line_t vl,
bool marked)
{
bookmark_vector<vis_line_t>& bv = this->tc_bookmarks[bm];
bookmark_vector<vis_line_t>::iterator iter;
if (marked) {
bv.insert_once(vl);
} else {
iter = std::lower_bound(bv.begin(), bv.end(), vl);
if (iter != bv.end() && *iter == vl) {
bv.erase(iter);
}
}
if (this->tc_sub_source) {
this->tc_sub_source->text_mark(bm, vl, marked);
}
if (marked) {
this->search_range(vl, vl + 1_vl);
this->search_new_data();
}
this->set_needs_update();
}
void
textview_curses::toggle_user_mark(const bookmark_type_t* bm,
vis_line_t start_line,
vis_line_t end_line)
{
if (end_line == -1) {
end_line = start_line;
}
if (start_line > end_line) {
std::swap(start_line, end_line);
}
if (start_line >= this->get_inner_height()) {
return;
}
if (end_line >= this->get_inner_height()) {
end_line = vis_line_t(this->get_inner_height() - 1);
}
for (vis_line_t curr_line = start_line; curr_line <= end_line; ++curr_line)
{
bookmark_vector<vis_line_t>& bv = this->tc_bookmarks[bm];
bookmark_vector<vis_line_t>::iterator iter;
bool added;
iter = bv.insert_once(curr_line);
if (iter == bv.end()) {
added = true;
} else {
bv.erase(iter);
added = false;
}
if (this->tc_sub_source) {
this->tc_sub_source->text_mark(bm, curr_line, added);
}
}
this->search_range(start_line, end_line + 1_vl);
this->search_new_data();
}
void
textview_curses::redo_search()
{
if (this->tc_search_child) {
auto* gp = this->tc_search_child->get_grep_proc();
gp->invalidate();
this->match_reset();
gp->queue_request(0_vl).start();
if (this->tc_source_search_child) {
this->tc_source_search_child->invalidate()
.queue_request(0_vl)
.start();
}
}
}
bool
textview_curses::listview_is_row_selectable(const listview_curses& lv,
vis_line_t row)
{
if (this->tc_sub_source != nullptr) {
return this->tc_sub_source->text_is_row_selectable(*this, row);
}
return true;
}
void
textview_curses::listview_selection_changed(const listview_curses& lv)
{
if (this->tc_sub_source != nullptr) {
this->tc_sub_source->text_selection_changed(*this);
}
}
textview_curses&
textview_curses::set_sub_source(text_sub_source* src)
{
if (this->tc_sub_source != src) {
this->tc_bookmarks.clear();
this->tc_sub_source = src;
if (src) {
src->register_view(this);
}
this->reload_data();
}
return *this;
}
bool
textview_curses::grep_value_for_line(vis_line_t line, std::string& value_out)
{
bool retval = false;
if (this->tc_sub_source
&& line < (int) this->tc_sub_source->text_line_count())
{
this->tc_sub_source->text_value_for_line(
*this, line, value_out, text_sub_source::RF_RAW);
scrub_ansi_string(value_out, nullptr);
retval = true;
}
return retval;
}
void
text_sub_source::scroll_invoked(textview_curses* tc)
{
auto* ttt = dynamic_cast<text_time_translator*>(this);
if (ttt != nullptr) {
ttt->ttt_scroll_invoked(tc);
}
}
void
text_time_translator::ttt_scroll_invoked(textview_curses* tc)
{
if (tc->get_inner_height() > 0 && tc->get_selection() >= 0_vl) {
this->time_for_row(tc->get_selection()) |
[this](auto new_top_ri) { this->ttt_top_row_info = new_top_ri; };
}
}
void
text_time_translator::data_reloaded(textview_curses* tc)
{
if (tc->get_inner_height() == 0) {
this->ttt_top_row_info = std::nullopt;
return;
}
if (this->ttt_top_row_info) {
this->row_for(this->ttt_top_row_info.value()) |
[tc](auto new_top) { tc->set_selection(new_top); };
}
}
template class bookmark_vector<vis_line_t>;
bool
empty_filter::matches(std::optional<line_source> ls,
const shared_buffer_ref& line)
{
return false;
}
std::string
empty_filter::to_command() const
{
return "";
}
std::optional<size_t>
filter_stack::next_index()
{
bool used[32];
memset(used, 0, sizeof(used));
for (auto& iter : *this) {
if (iter->lf_deleted) {
continue;
}
size_t index = iter->get_index();
require(used[index] == false);
used[index] = true;
}
for (size_t lpc = this->fs_reserved;
lpc < logfile_filter_state::MAX_FILTERS;
lpc++)
{
if (!used[lpc]) {
return lpc;
}
}
return std::nullopt;
}
std::shared_ptr<text_filter>
filter_stack::get_filter(const std::string& id)
{
auto iter = this->fs_filters.begin();
std::shared_ptr<text_filter> retval;
for (; iter != this->fs_filters.end() && (*iter)->get_id() != id; iter++) {
}
if (iter != this->fs_filters.end()) {
retval = *iter;
}
return retval;
}
bool
filter_stack::delete_filter(const std::string& id)
{
auto iter = this->fs_filters.begin();
for (; iter != this->fs_filters.end() && (*iter)->get_id() != id; iter++) {
}
if (iter != this->fs_filters.end()) {
this->fs_filters.erase(iter);
return true;
}
return false;
}
void
filter_stack::get_mask(uint32_t& filter_mask)
{
filter_mask = 0;
for (auto& iter : *this) {
std::shared_ptr<text_filter> tf = iter;
if (tf->lf_deleted) {
continue;
}
if (tf->is_enabled()) {
uint32_t bit = (1UL << tf->get_index());
switch (tf->get_type()) {
case text_filter::EXCLUDE:
case text_filter::INCLUDE:
filter_mask |= bit;
break;
default:
ensure(0);
break;
}
}
}
}
void
filter_stack::get_enabled_mask(uint32_t& filter_in_mask,
uint32_t& filter_out_mask)
{
filter_in_mask = filter_out_mask = 0;
for (auto& iter : *this) {
std::shared_ptr<text_filter> tf = iter;
if (tf->lf_deleted) {
continue;
}
if (tf->is_enabled()) {
uint32_t bit = (1UL << tf->get_index());
switch (tf->get_type()) {
case text_filter::EXCLUDE:
filter_out_mask |= bit;
break;
case text_filter::INCLUDE:
filter_in_mask |= bit;
break;
default:
ensure(0);
break;
}
}
}
}
void
filter_stack::add_filter(const std::shared_ptr<text_filter>& filter)
{
this->fs_filters.push_back(filter);
}
void
vis_location_history::loc_history_append(vis_line_t top)
{
auto iter = this->vlh_history.begin();
iter += this->vlh_history.size() - this->lh_history_position;
this->vlh_history.erase_from(iter);
this->lh_history_position = 0;
this->vlh_history.push_back(top);
}
std::optional<vis_line_t>
vis_location_history::loc_history_back(vis_line_t current_top)
{
if (this->lh_history_position == 0) {
vis_line_t history_top = this->current_position();
if (history_top != current_top) {
return history_top;
}
}
if (this->lh_history_position + 1 >= this->vlh_history.size()) {
return std::nullopt;
}
this->lh_history_position += 1;
return this->current_position();
}
std::optional<vis_line_t>
vis_location_history::loc_history_forward(vis_line_t current_top)
{
if (this->lh_history_position == 0) {
return std::nullopt;
}
this->lh_history_position -= 1;
return this->current_position();
}
void
text_sub_source::toggle_apply_filters()
{
this->tss_apply_filters = !this->tss_apply_filters;
this->text_filters_changed();
}
void
text_sub_source::text_crumbs_for_line(int line,
std::vector<breadcrumb::crumb>& crumbs)
{
}
logfile_filter_state::
logfile_filter_state(std::shared_ptr<logfile> lf)
: tfs_logfile(std::move(lf))
{
memset(this->tfs_filter_count, 0, sizeof(this->tfs_filter_count));
memset(this->tfs_filter_hits, 0, sizeof(this->tfs_filter_hits));
memset(this->tfs_message_matched, 0, sizeof(this->tfs_message_matched));
memset(this->tfs_lines_for_message, 0, sizeof(this->tfs_lines_for_message));
memset(this->tfs_last_message_matched,
0,
sizeof(this->tfs_last_message_matched));
memset(this->tfs_last_lines_for_message,
0,
sizeof(this->tfs_last_lines_for_message));
this->tfs_mask.reserve(64 * 1024);
}
void
logfile_filter_state::clear()
{
this->tfs_logfile = nullptr;
memset(this->tfs_filter_count, 0, sizeof(this->tfs_filter_count));
memset(this->tfs_filter_hits, 0, sizeof(this->tfs_filter_hits));
memset(this->tfs_message_matched, 0, sizeof(this->tfs_message_matched));
memset(this->tfs_lines_for_message, 0, sizeof(this->tfs_lines_for_message));
memset(this->tfs_last_message_matched,
0,
sizeof(this->tfs_last_message_matched));
memset(this->tfs_last_lines_for_message,
0,
sizeof(this->tfs_last_lines_for_message));
this->tfs_mask.clear();
this->tfs_index.clear();
}
void
logfile_filter_state::clear_filter_state(size_t index)
{
this->tfs_filter_count[index] = 0;
this->tfs_filter_hits[index] = 0;
this->tfs_message_matched[index] = false;
this->tfs_lines_for_message[index] = 0;
this->tfs_last_message_matched[index] = false;
this->tfs_last_lines_for_message[index] = 0;
}
void
logfile_filter_state::clear_deleted_filter_state(uint32_t used_mask)
{
for (int lpc = 0; lpc < MAX_FILTERS; lpc++) {
if (!(used_mask & (1L << lpc))) {
this->clear_filter_state(lpc);
}
}
for (size_t lpc = 0; lpc < this->tfs_mask.size(); lpc++) {
this->tfs_mask[lpc] &= used_mask;
}
}
void
logfile_filter_state::resize(size_t newsize)
{
size_t old_mask_size = this->tfs_mask.size();
this->tfs_mask.resize(newsize);
if (newsize > old_mask_size) {
memset(&this->tfs_mask[old_mask_size],
0,
sizeof(uint32_t) * (newsize - old_mask_size));
}
}
std::optional<size_t>
logfile_filter_state::content_line_to_vis_line(uint32_t line)
{
if (this->tfs_index.empty()) {
return std::nullopt;
}
auto iter = std::lower_bound(
this->tfs_index.begin(), this->tfs_index.end(), line);
if (iter == this->tfs_index.end() || *iter != line) {
return std::nullopt;
}
return std::make_optional(std::distance(this->tfs_index.begin(), iter));
}
std::string
text_anchors::to_anchor_string(const std::string& raw)
{
static const auto ANCHOR_RE = lnav::pcre2pp::code::from_const(R"([^\w]+)");
return fmt::format(FMT_STRING("#{}"), ANCHOR_RE.replace(tolower(raw), "-"));
}