121 lines
3.1 KiB
Rust
121 lines
3.1 KiB
Rust
use std::cmp;
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use chrono::{Datelike, NaiveDate};
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use crate::files::primitives::{Time, Weekday};
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use super::layout::line::{LineEntry, LineLayout, SpanSegment};
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struct ShowLines {
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num_width: usize,
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span_width: usize,
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result: String,
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}
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impl ShowLines {
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fn new(num_width: usize, span_width: usize) -> Self {
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Self {
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num_width,
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span_width,
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result: String::new(),
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}
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}
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fn display_line(&mut self, line: &LineEntry) {
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match line {
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LineEntry::Day { spans, date } => self.display_line_date(spans, *date),
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LineEntry::Now { spans, time } => self.display_line_now(spans, *time),
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LineEntry::Entry {
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number,
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spans,
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time,
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text,
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} => self.display_line_entry(*number, spans, *time, text),
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}
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}
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fn display_line_date(&mut self, spans: &[Option<SpanSegment>], date: NaiveDate) {
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let weekday: Weekday = date.weekday().into();
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let weekday = weekday.full_name();
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self.push(&format!(
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"{:=>nw$}={:=<sw$}=== {:9} {} ==={:=<sw$}={:=>nw$}\n",
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"",
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Self::display_spans(spans, '='),
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weekday,
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date,
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"",
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"",
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nw = self.num_width,
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sw = self.span_width
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));
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}
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fn display_line_now(&mut self, spans: &[Option<SpanSegment>], time: Time) {
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self.push(&format!(
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"{:<nw$} {:sw$} {}\n",
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"now",
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Self::display_spans(spans, ' '),
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time,
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nw = self.num_width,
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sw = self.span_width
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));
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}
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fn display_line_entry(
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&mut self,
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number: Option<usize>,
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spans: &[Option<SpanSegment>],
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time: Option<Time>,
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text: &str,
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) {
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let num = match number {
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Some(n) => format!("{}", n),
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None => "".to_string(),
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};
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let time = match time {
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Some(t) => format!("{} ", t),
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None => "".to_string(),
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};
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self.push(&format!(
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"{:>nw$} {:sw$} {}{}\n",
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num,
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Self::display_spans(spans, ' '),
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time,
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text,
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nw = self.num_width,
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sw = self.span_width
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))
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}
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fn display_spans(spans: &[Option<SpanSegment>], empty: char) -> String {
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let mut result = String::new();
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for segment in spans {
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result.push(match segment {
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Some(SpanSegment::Start) => '┌',
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Some(SpanSegment::Middle) => '│',
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Some(SpanSegment::End) => '└',
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None => empty,
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});
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}
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result
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}
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fn push(&mut self, line: &str) {
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self.result.push_str(line);
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}
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fn result(self) -> String {
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self.result
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}
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}
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pub fn show_all(layout: &LineLayout) -> String {
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let num_width = cmp::max(layout.num_width(), 3); // `now` is 3 chars wide
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let mut show_lines = ShowLines::new(num_width, layout.span_width());
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for line in layout.lines() {
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show_lines.display_line(line);
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}
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show_lines.result()
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}
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