This commit is contained in:
Jana Dönszelmann 2026-02-25 09:21:50 +01:00
parent d989f6e31e
commit cc4ecf40d7
No known key found for this signature in database
6 changed files with 402 additions and 331 deletions

1
Cargo.lock generated
View file

@ -1196,6 +1196,7 @@ dependencies = [
"nix 0.31.1",
"ratatui",
"ratatui-themes",
"regex",
"serde",
"serde_json",
"thiserror 2.0.18",

View file

@ -18,3 +18,4 @@ serde_json = "1"
thiserror = "2"
itertools = "0.14"
nix = {version = "0.31", features = ["process", "signal"]}
regex = "1"

View file

@ -1,51 +1,77 @@
use crate::tui::model::LogEntry;
use regex::bytes::Regex;
#[derive(Clone)]
pub enum WipMatcher {
Field {
name: Option<String>,
value: Option<serde_json::Value>,
},
Specific {
hash: Option<u64>,
},
use crate::tui::{
log_viewer::{FieldMatcher, InputTarget, LogViewer},
model::{LogEntry, pretty_print_value},
};
pub enum MatcherValue {
Exact(String),
Regex(Regex),
Prefix(String),
Contains(String),
}
impl WipMatcher {
fn validate(&self) -> Option<Matcher> {
impl MatcherValue {
pub fn from_field_matcher(fm: FieldMatcher, selected: Option<String>) -> Option<Self> {
match fm {
FieldMatcher::EqualTo => Some(Self::Exact(selected?)),
FieldMatcher::Prefix(p) => Some(Self::Prefix(p)),
FieldMatcher::Regex(r) => Some(Self::Regex(Regex::new(&r).ok()?)),
FieldMatcher::Contains(c) => Some(Self::Contains(c)),
}
}
pub fn matches(&self, v: &str) -> bool {
match self {
WipMatcher::Field {
name: Some(name),
value: Some(value),
} => Some(Matcher::Field {
name: name.clone(),
value: value.clone(),
}),
WipMatcher::Specific { hash } => Some(Matcher::Specific { hash: (*hash)? }),
_ => None,
MatcherValue::Exact(e) => e == v,
MatcherValue::Regex(regex) => regex.is_match(v.as_bytes()),
MatcherValue::Prefix(p) => v.starts_with(p),
MatcherValue::Contains(c) => v.contains(c),
}
}
}
pub enum Matcher {
Field {
name: String,
value: serde_json::Value,
},
Specific {
hash: u64,
},
Field { name: String, value: MatcherValue },
Message { value: MatcherValue },
Specific { hash: u64 },
}
impl Matcher {
pub fn matches(&self, entry: &LogEntry) -> bool {
match self {
Matcher::Specific { hash } => entry.hash() == *hash,
Matcher::Field { name, value } => entry
.all_fields()
.fields
.get(name)
.is_some_and(|v| v == value),
Matcher::Specific { hash } => entry.hash() == *hash,
.is_some_and(|v| value.matches(&pretty_print_value(&v))),
Matcher::Message { value } => {
entry.message_or_name().is_some_and(|v| value.matches(&v))
}
}
}
pub fn from_input(target: InputTarget, lv: &LogViewer) -> Option<Self> {
match target {
InputTarget::Fields(fm) => {
let value = lv.footer_fields().get(lv.footer_list.selected?)?.clone();
Some(Self::Field {
name: value.0,
value: MatcherValue::from_field_matcher(fm?, Some(value.1.to_string()))?,
})
}
InputTarget::Text(fm) => Some(Self::Message {
value: MatcherValue::from_field_matcher(
fm,
lv.selected().and_then(|(i, _)| i.message_or_name()),
)?,
}),
InputTarget::This => lv
.selected()
.map(|(i, _)| Self::Specific { hash: i.hash() }),
InputTarget::Surround => todo!(),
}
}
}
@ -69,99 +95,3 @@ impl Filter {
}
}
}
#[derive(Clone)]
pub struct WipFilter {
pub matcher: Option<WipMatcher>,
pub kind: Option<FilterKind>,
pub selection: FilterSelection,
}
impl WipFilter {
pub fn validate(&self) -> Option<Filter> {
let Self {
matcher,
kind,
selection: _,
} = self;
let Some(matcher) = matcher else { return None };
Some(Filter {
matcher: matcher.validate()?,
kind: kind.clone()?,
})
}
pub fn clear(&mut self) {
match self.selection {
FilterSelection::Kind => self.kind = None,
FilterSelection::MatcherKind => {}
FilterSelection::Matcher => {}
FilterSelection::Confirm => {}
}
}
pub fn right(&mut self) {
match self.selection {
FilterSelection::Kind => {
self.kind = Some(match self.kind {
None => FilterKind::Inline,
Some(FilterKind::Inline) => FilterKind::Remove,
Some(FilterKind::Remove) => FilterKind::Inline,
})
}
FilterSelection::MatcherKind => {}
FilterSelection::Matcher => {}
FilterSelection::Confirm => {}
}
}
pub fn left(&mut self) {
match self.selection {
FilterSelection::Kind => {
self.kind = Some(match self.kind {
None => FilterKind::Remove,
Some(FilterKind::Remove) => FilterKind::Inline,
Some(FilterKind::Inline) => FilterKind::Inline,
})
}
FilterSelection::MatcherKind => {}
FilterSelection::Matcher => {}
FilterSelection::Confirm => {}
}
}
}
#[derive(Clone, Copy)]
pub enum FilterSelection {
Kind,
MatcherKind,
Matcher,
Confirm,
}
impl FilterSelection {
pub fn next(&mut self) {
*self = match *self {
Self::Kind => Self::MatcherKind,
Self::MatcherKind => Self::Matcher,
Self::Matcher => Self::Confirm,
Self::Confirm => Self::Confirm,
};
}
pub fn prev(&mut self) {
*self = match self {
Self::Kind => Self::Kind,
Self::MatcherKind => Self::Kind,
Self::Matcher => Self::MatcherKind,
Self::Confirm => Self::Matcher,
};
}
}
#[derive(Clone, Copy)]
pub enum FieldMatcherSelection {
Field,
Value,
}
impl FieldMatcherSelection {}

View file

@ -32,27 +32,101 @@ impl Clone for LogView {
}
}
pub enum InputTarget {
Fields,
#[derive(Clone)]
pub enum FieldMatcher {
EqualTo,
Prefix(String),
Regex(String),
Contains(String),
}
impl FieldMatcher {
pub fn show(&self) -> String {
match self {
FieldMatcher::EqualTo => "equal to selected value".to_string(),
Self::Prefix(s) => format!("with a prefix of `{s}`"),
Self::Regex(s) => format!("matching /{s}/"),
Self::Contains(s) => format!("containing `{s}`"),
}
}
}
#[derive(Clone)]
pub enum InputTarget {
Fields(Option<FieldMatcher>),
Text(FieldMatcher),
This,
Surround,
}
impl InputTarget {
pub fn show(&self) -> String {
match self {
Self::Fields(None) => "logs with a field...".to_string(),
Self::Fields(Some(fm)) => format!("logs with the selected field {}", fm.show()),
Self::Text(fm) => format!("logs {}", fm.show()),
Self::This => format!("this log"),
Self::Surround => format!("the log surrounding the current view"),
}
}
}
#[derive(Clone)]
pub enum InputState {
None,
Target(InputTarget),
}
impl InputState {
pub fn capture_string(&mut self) -> Option<&mut String> {
match self {
InputState::None => None,
InputState::Target(InputTarget::This) => None,
InputState::Target(InputTarget::Fields(None)) => None,
InputState::Target(InputTarget::Surround) => None,
// require arbitrary text input
InputState::Target(InputTarget::Fields(Some(FieldMatcher::Contains(s)))) => Some(s),
InputState::Target(InputTarget::Text(FieldMatcher::Contains(s))) => Some(s),
InputState::Target(InputTarget::Fields(Some(FieldMatcher::Prefix(s)))) => Some(s),
InputState::Target(InputTarget::Text(FieldMatcher::Prefix(s))) => Some(s),
InputState::Target(InputTarget::Fields(Some(FieldMatcher::Regex(s)))) => Some(s),
InputState::Target(InputTarget::Text(FieldMatcher::Regex(s))) => Some(s),
InputState::Target(InputTarget::Fields(Some(FieldMatcher::EqualTo))) => None,
InputState::Target(InputTarget::Text(FieldMatcher::EqualTo)) => None,
}
}
pub fn captures_input(&mut self) -> bool {
self.capture_string().is_some()
}
pub fn show(&self) -> String {
match self {
InputState::None => "".to_string(),
InputState::Target(input_target) => input_target.show(),
}
}
pub fn reset(&mut self) {
*self = Self::None;
}
pub fn target(&mut self, target: InputTarget) {
*self = Self::Target(target);
if let Self::Target(t) = self
&& mem::discriminant(t) == mem::discriminant(&target)
&& !self.captures_input()
{
self.reset();
} else {
*self = Self::Target(target);
}
}
}
pub struct LogViewer {
stack: Vec<LogView>,
pub stack: Vec<LogView>,
curr: LogView,
cache: HashMap<Vec<usize>, LogView>,
filters: Vec<Rc<Filter>>,
@ -253,9 +327,10 @@ impl LogViewer {
self.curr.selection_offset -= 1;
}
}
InputState::Target(InputTarget::Fields) => {
InputState::Target(InputTarget::Fields(None)) => {
self.footer_list.previous();
}
_ => {}
}
}
@ -264,9 +339,10 @@ impl LogViewer {
InputState::None => {
self.curr.selection_offset += 1;
}
InputState::Target(InputTarget::Fields) => {
InputState::Target(InputTarget::Fields(None)) => {
self.footer_list.next();
}
_ => {}
}
}
@ -292,9 +368,10 @@ impl LogViewer {
self.curr.selection_offset = 0;
while self.curr.iter.prev().is_some() {}
}
InputState::Target(InputTarget::Fields) => {
InputState::Target(InputTarget::Fields(None)) => {
self.footer_list.select(Some(0));
}
_ => {}
}
}
@ -331,9 +408,10 @@ impl LogViewer {
self.curr = cached_view.clone();
}
}
InputState::Target(InputTarget::Fields) => {
InputState::Target(InputTarget::Fields(None)) => {
self.footer_list.next();
}
_ => {}
}
}
}

View file

@ -1,5 +1,6 @@
use itertools::Itertools;
use ratatui_themes::{Theme, ThemeName};
use regex::bytes::Regex;
use std::{
fs::{self, DirEntry},
io,
@ -11,12 +12,13 @@ use std::{
use tui_widget_list::{ListBuilder, ListView};
use crate::tui::{
filter::{FilterKind, WipMatcher},
filter::FilterKind,
log_viewer::{InputState, InputTarget, LogViewer},
model::pretty_print_value,
};
use crate::tui::{
filter::{FilterSelection, WipFilter},
filter::{Filter, Matcher},
log_viewer::FieldMatcher,
reader::LogfileReader,
};
use ratatui::{
@ -25,7 +27,7 @@ use ratatui::{
crossterm::event::{self, Event, KeyCode, KeyEvent, KeyModifiers},
layout::{Constraint, HorizontalAlignment, Layout, Rect},
style::Style,
text::{Line, Text},
text::{Line, Span, Text},
widgets::{
Block, Clear, List, ListItem, ListState, Padding, Paragraph, StatefulWidget, Widget, Wrap,
},
@ -37,6 +39,40 @@ pub mod model;
pub mod processing;
pub mod reader;
const HELP_TEXT: &str = "Generic:
? show help
<esc> cancel focus or close tab
u undo
r redo
pgdwn&pgup move page
down&up move single
j&k move single
Home/G move to start
<- / backspace / h exit nested view
-> / enter / l enter nested view
targeting logs:
f fields
t the selected log
s surrounding element
either a field after `f` or the text of the current log:
p ... with a prefix
r ... matching a regex
/ ... matching a regex
e ... equal to selected
c ... containing
perform action on selected target:
control-d delete
control-i inline
";
pub fn run(logs_dir: PathBuf, compiler_root: Option<PathBuf>, theme: ThemeName) {
let terminal = ratatui::init();
let theme = Theme::new(theme);
@ -56,9 +92,6 @@ enum Tab {
last_height: usize,
},
LogViewer(LogViewer),
CreateFilter {
filter: WipFilter,
},
Empty,
Help,
}
@ -70,36 +103,11 @@ impl Tab {
(Tab::FileChooser { .. }, _) => "choose a file".to_string(),
(Tab::LogViewer(_), Some(path)) => format!("logs of {}", path.display()),
(Tab::LogViewer(_), None) => "logs".to_string(),
(Tab::CreateFilter { .. }, _) => "create filter".to_string(),
(Tab::Help, _) => "help".to_string(),
}
}
}
fn initialize_filter(lv: &mut LogViewer, kind: Option<FilterKind>) -> WipFilter {
todo!()
// let matcher = if lv.fields_selected {
// let footer_fields = lv.footer_fields();
// let (key, value) = footer_fields
// .get(lv.footer_list.selected.unwrap_or(0))
// .map_or((None, None), |(k, v)| (Some(k), Some(v)));
// Some(WipMatcher::Field {
// name: key.cloned(),
// value: value.cloned(),
// })
// } else {
// Some(WipMatcher::Specific {
// hash: lv.selected().map(|(i, _)| i.hash()),
// })
// };
// WipFilter {
// matcher,
// kind,
// selection: filter::FilterSelection::Kind,
// }
}
struct App {
tabs: Vec<Tab>,
logs_dir: PathBuf,
@ -204,6 +212,54 @@ impl App {
_ => {}
},
Tab::LogViewer(lv) => match key.code {
// delete
KeyCode::Char('d') if key.modifiers.contains(KeyModifiers::ALT) => {
if let InputState::None = lv.input_state {
lv.input_state = InputState::Target(InputTarget::This);
}
if let InputState::Target(t) = lv.input_state.clone()
&& let Some(m) = Matcher::from_input(t, lv)
{
lv.add_filter(Rc::new(Filter {
matcher: m,
kind: FilterKind::Remove,
}));
lv.input_state.reset();
}
}
// inline
KeyCode::Char('i') if key.modifiers.contains(KeyModifiers::ALT) => {
if let InputState::None = lv.input_state {
lv.input_state = InputState::Target(InputTarget::This);
}
if let InputState::Target(t) = lv.input_state.clone()
&& let Some(m) = Matcher::from_input(t, lv)
{
lv.add_filter(Rc::new(Filter {
matcher: m,
kind: FilterKind::Inline,
}));
lv.input_state.reset();
}
}
KeyCode::Char(c) if lv.input_state.captures_input() => {
lv.input_state.capture_string().unwrap().push(c);
}
KeyCode::Backspace if lv.input_state.captures_input() => {
lv.input_state.capture_string().unwrap().pop();
}
KeyCode::Esc if lv.input_state.captures_input() => {
if let InputState::Target(InputTarget::Fields(s @ Some(_))) =
&mut lv.input_state
{
*s = None
} else {
lv.input_state.reset();
}
}
_ if lv.input_state.captures_input() => {}
KeyCode::Char('j') | KeyCode::Down => lv.next(),
KeyCode::Char('k') | KeyCode::Up => lv.prev(),
KeyCode::PageUp => lv.page_up(),
@ -214,11 +270,50 @@ impl App {
KeyCode::Right => lv.enter(),
KeyCode::Enter => lv.enter(),
KeyCode::Char('f') => {
lv.input_state.target(InputTarget::Fields);
lv.input_state.target(InputTarget::Fields(None));
lv.footer_list.select(Some(0));
}
KeyCode::Esc => lv.input_state.reset(),
KeyCode::Char('s') if !lv.stack.is_empty() => {
lv.input_state.target(InputTarget::Surround);
}
KeyCode::Char('t') => {
lv.input_state.target(InputTarget::This);
}
KeyCode::Char('r') | KeyCode::Char('/') => {
let v = FieldMatcher::Regex(String::new());
if let InputState::Target(InputTarget::Fields(f @ None)) = &mut lv.input_state {
*f = Some(v);
} else {
lv.input_state.target(InputTarget::Text(v));
}
}
KeyCode::Char('p') => {
let v = FieldMatcher::Prefix(String::new());
if let InputState::Target(InputTarget::Fields(f @ None)) = &mut lv.input_state {
*f = Some(v);
} else {
lv.input_state.target(InputTarget::Text(v));
}
}
KeyCode::Char('c') => {
let v = FieldMatcher::Contains(String::new());
if let InputState::Target(InputTarget::Fields(f @ None)) = &mut lv.input_state {
*f = Some(v);
} else {
lv.input_state.target(InputTarget::Text(v));
}
}
KeyCode::Char('e') => {
let v = FieldMatcher::EqualTo;
if let InputState::Target(InputTarget::Fields(f @ None)) = &mut lv.input_state {
*f = Some(v);
} else {
lv.input_state.target(InputTarget::Text(v));
}
}
_ => {}
},
Tab::CreateFilter { filter } => todo!(),
}
}
@ -347,11 +442,10 @@ impl Widget for &mut App {
Tab::FileChooser { .. } => (false, true),
Tab::LogViewer(lv) => {
let target_fields =
matches!(lv.input_state, InputState::Target(InputTarget::Fields));
matches!(lv.input_state, InputState::Target(InputTarget::Fields(..)));
(target_fields, !target_fields)
}
Tab::Empty => (false, false),
Tab::CreateFilter { .. } => (false, false),
};
let main_area = {
@ -427,18 +521,123 @@ impl Widget for &mut App {
.items(main_area.height as usize)
.unwrap_or_else(|| (Vec::new(), 0));
Paragraph::new(selected_offset.to_string()).render(right, buf);
Line::from(lv.input_state.show()).render(right, buf);
let list = List::new(items.into_iter().enumerate().map(
|(idx, (i, inline_depth))| {
let line = i.line_text(false, inline_depth);
let line_text = i.line_text(false, inline_depth);
let mut list_item = ListItem::new(line);
let mut line = Line::from(line_text.clone());
if idx == selected_offset
&& let InputState::None | InputState::Target(InputTarget::This) =
lv.input_state
{
line = Line::from(line_text).style(highlighted);
} else if let InputState::Target(InputTarget::Text(s)) = &lv.input_state
&& let Some(msg) = i.message_or_name()
{
match s {
FieldMatcher::EqualTo => {
if lv
.selected()
.and_then(|(i, _)| i.message_or_name())
.is_some_and(|m| m == msg)
{
line = line.style(highlighted);
}
}
FieldMatcher::Prefix(p) => {
if msg.starts_with(p)
&& let Some(offset) = line_text.find(&msg)
{
let spans = vec![
Span::from(line_text[..offset].to_string()),
Span::from(
line_text[offset..(offset + p.len())]
.to_string(),
)
.style(highlighted),
Span::from(
line_text[(offset + p.len())..].to_string(),
),
];
if idx == selected_offset {
list_item = list_item.style(highlighted);
line = Line::from(spans);
}
}
FieldMatcher::Regex(r) => {
if let Ok(regex) = Regex::new(r)
&& let Some(start_offset) = line_text.find(&msg)
&& let Some(m) = regex.find(msg.as_bytes())
{
let spans = vec![
Span::from(
line_text[..start_offset + m.start()]
.to_string(),
),
Span::from(
line_text[start_offset + m.start()
..start_offset + m.end()]
.to_string(),
)
.style(highlighted),
Span::from(
line_text[start_offset + m.end()..].to_string(),
),
];
line = Line::from(spans);
}
}
FieldMatcher::Contains(c) => {
if msg.contains(c)
&& let Some(start_offset) = line_text.find(&msg)
&& let Some(contains_offset) =
line_text[start_offset..].find(c)
{
let start = start_offset + contains_offset;
let spans = vec![
Span::from(line_text[..start].to_string()),
Span::from(
line_text[start..(start + c.len())].to_string(),
)
.style(highlighted),
Span::from(
line_text[(start + c.len())..].to_string(),
),
];
line = Line::from(spans);
}
}
}
} else if let InputState::Target(InputTarget::Fields(Some(f))) =
&lv.input_state
&& let Some(selected_field_offset) = lv.footer_list.selected
&& let Some((name, value)) =
lv.footer_fields().get(selected_field_offset)
&& let Some(current_log_value) = i.all_fields().fields.get(name)
{
let matches = match f {
FieldMatcher::EqualTo => value == current_log_value,
FieldMatcher::Prefix(v) => {
current_log_value.to_string().starts_with(v)
}
FieldMatcher::Regex(r) => Regex::new(r).is_ok_and(|i| {
i.is_match(current_log_value.to_string().as_bytes())
}),
FieldMatcher::Contains(c) => {
current_log_value.to_string().contains(c)
}
};
if matches {
line = line.style(highlighted);
}
}
let list_item = ListItem::new(line);
list_item
},
));
@ -504,159 +703,7 @@ impl Widget for &mut App {
inner
};
Paragraph::new(
"
Generic:
? show help
<esc> cancel focus or close tab
u undo
r redo
pgdwn&pgup move page
down&up move single
j&k move single
Home/G move to start
<- / backspace / h exit nested view
-> / enter / l enter nested view
targeting logs:
f fields
p prefix
r regex
c current
s surrounding element
perform action on selected target:
d delete
i inline
",
)
.render(popup_area, buf);
}
Tab::CreateFilter { filter } => {
Clear.render(popup_area, buf);
let popup_area = {
let block = Block::bordered()
.title_top("create filter")
.style(default)
.padding(Padding::symmetric(3, 1))
.border_style(border_selected);
let inner = block.inner(popup_area);
block.render(popup_area, buf);
inner
};
let [kind, matcher_kind, matcher_area, confirm] = Layout::vertical([
Constraint::Length(5),
Constraint::Length(5),
Constraint::Fill(1),
Constraint::Length(1),
])
.areas(popup_area);
let text = match &filter.kind {
None => "<unset>",
Some(FilterKind::Inline) => "inline items",
Some(FilterKind::Remove) => "remove item and sub-items",
};
Paragraph::new(format!("{text}"))
.centered()
.style(
if matches!(filter.selection, filter::FilterSelection::Kind) {
highlighted
} else {
default
},
)
.block(
Block::bordered()
.title_top("transformation")
.padding(Padding::uniform(1)),
)
.render(kind, buf);
let text = match filter.matcher.as_ref() {
None => "<unset>",
Some(WipMatcher::Field { .. }) => "all logs where field matches",
Some(WipMatcher::Specific { .. }) => "this specific log",
};
Paragraph::new(format!("{text}"))
.centered()
.style(
if matches!(filter.selection, filter::FilterSelection::MatcherKind) {
highlighted
} else {
default
},
)
.block(
Block::bordered()
.title_top("matcher")
.padding(Padding::uniform(1)),
)
.render(matcher_kind, buf);
match &filter.matcher {
Some(WipMatcher::Field { name, value }) => {
let [field_area, value_area, _] = Layout::vertical([
Constraint::Length(5),
Constraint::Length(5),
Constraint::Fill(1),
])
.areas(matcher_area);
Paragraph::new(format!("{}", name.clone().unwrap_or_default()))
.centered()
.style(
if matches!(filter.selection, filter::FilterSelection::Matcher)
{
highlighted
} else {
default
},
)
.block(
Block::bordered()
.title_top("field name")
.padding(Padding::uniform(1)),
)
.render(field_area, buf);
Paragraph::new(format!("{}", value.clone().unwrap_or_default()))
.centered()
.style(
if matches!(filter.selection, filter::FilterSelection::Matcher)
{
highlighted
} else {
default
},
)
.block(
Block::bordered()
.title_top("value")
.padding(Padding::uniform(1)),
)
.render(value_area, buf);
}
Some(WipMatcher::Specific { .. }) => {}
None => {}
}
Paragraph::new("confirm")
.centered()
.style(
if matches!(filter.selection, filter::FilterSelection::Confirm) {
highlighted
} else {
default
},
)
.render(confirm, buf);
Paragraph::new(HELP_TEXT).render(popup_area, buf);
}
}
}

View file

@ -7,7 +7,6 @@ use std::{
};
use jiff::Timestamp;
use ratatui::text::Line;
use serde::Deserialize;
use serde_json::Value;
@ -109,7 +108,22 @@ impl LogEntry {
}
}
pub fn line_text(&self, accessed: bool, inline_depth: usize) -> Line<'static> {
pub fn message_or_name(&self) -> Option<String> {
match self {
LogEntry::Single { raw } => raw.fields.message().map(|i| i.to_string()),
LogEntry::Sub { enter, .. } => {
if let Some(val) = enter.all_fields().fields.get("name")
&& let Some(s) = val.as_str()
{
Some(s.to_string())
} else {
enter.fields.message().map(|i| i.to_string())
}
}
}
}
pub fn line_text(&self, accessed: bool, inline_depth: usize) -> String {
const NO_MESSAGE: &str = "<no message>";
const SPACES_BEFORE: &str = " ";
let indent = " >".repeat(inline_depth);
@ -144,11 +158,11 @@ impl LogEntry {
if let Some(val) = enter.all_fields().fields.get("name")
&& let Some(s) = val.as_str()
{
Line::from(format!(
format!(
"{:4}⭣{:4}⇊ ┃{indent}↪ {s}",
sub_entries.len(),
self.count().wrapping_sub(1)
))
)
} else {
format!("{SPACES_BEFORE}{indent}{}", single_field(enter)).into()
}