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writeutil.go
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writeutil.go
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// Dinkur the task time tracking utility.
// <https://github.com/dinkur/dinkur>
//
// SPDX-FileCopyrightText: 2021 Kalle Fagerberg
// SPDX-License-Identifier: GPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
package console
import (
"io"
"regexp"
"time"
"unicode/utf8"
"github.com/fatih/color"
)
func writeTimeColor(w io.Writer, t time.Time, layout string, c *color.Color) int {
formatted := t.Format(layout)
c.Fprintf(w, formatted)
return len(formatted)
}
func writeEntryID(w io.Writer, id uint) int {
entryIDColor.Fprintf(w, "#%d", id)
return uintWidth(id) + 1
}
func writeEntryName(w io.Writer, name string) int {
entryNameColor.Fprintf(w, entryNameFormat, name)
return 2 + utf8.RuneCountInString(name)
}
func writeEntryNameSearched(w io.Writer, name string, reg *regexp.Regexp) int {
matches := reg.FindAllStringSubmatchIndex(name, -1)
const (
g0Start = 0 // group 0 = full match
g0End = 1
g1Start = 2
g1End = 3
)
var width int
width++
entryNameColor.Fprint(w, entryNameQuote)
var lastIdx int
for _, match := range matches {
nameUntilMatch := name[lastIdx:match[g0Start]]
width += utf8.RuneCountInString(nameUntilMatch)
entryNameColor.Fprint(w, nameUntilMatch)
matchGroup1 := name[match[g1Start]:match[g1End]]
width += utf8.RuneCountInString(matchGroup1)
entryNameHighlightColor.Fprint(w, matchGroup1)
lastIdx = match[g0End]
}
nameUntilEnd := name[lastIdx:]
width += utf8.RuneCountInString(nameUntilEnd)
entryNameColor.Fprint(w, nameUntilEnd)
width++
entryNameColor.Fprint(w, entryNameQuote)
return width
}
func writeEntryTimeSpanActive(w io.Writer, start time.Time, end *time.Time) int {
return writeEntryTimeSpan(w, start, end, entryEndNilTextActive)
}
func writeEntryTimeSpanNow(w io.Writer, start time.Time, end *time.Time) int {
return writeEntryTimeSpan(w, start, end, entryEndNilTextNow)
}
func writeEntryTimeSpan(w io.Writer, start time.Time, end *time.Time, nowStr string) int {
today := newDate(time.Now().Date())
layout := timeFormatShort
if today != newDate(start.Date()) ||
(end != nil && newDate(end.Date()) != today) {
// also, if start date != end date, also use long format.
// This still applies, through transitivity
layout = timeFormatLong
}
startStr := start.Format(layout)
entryStartColor.Fprintf(w, startStr)
entryTimeDelimColor.Fprint(w, " - ")
var (
endStr string
endLen int
endColor *color.Color
)
if end != nil {
endStr = end.Format(layout)
endColor = entryEndColor
endLen = len(endStr)
} else {
endStr = nowStr
endColor = entryEndNilColor
endLen = utf8.RuneCountInString(nowStr)
}
endColor.Fprintf(w, endStr)
return len(startStr) + 3 + endLen
}
func writeEntryTimeSpanNowDuration(w io.Writer, start time.Time, end *time.Time, dur time.Duration) int {
return writeEntryTimeSpanDuration(w, start, end, entryEndNilTextNow, dur)
}
func writeEntryTimeSpanActiveDuration(w io.Writer, start time.Time, end *time.Time, dur time.Duration) int {
return writeEntryTimeSpanDuration(w, start, end, entryEndNilTextActive, dur)
}
func writeEntryTimeSpanDuration(w io.Writer, start time.Time, end *time.Time, nowStr string, dur time.Duration) int {
width := writeEntryTimeSpan(w, start, end, nowStr)
w.Write([]byte{' '})
width++
width += writeEntryDurationWithDelim(w, dur)
return width
}
func writeEntryDurationWithDelim(w io.Writer, dur time.Duration) int {
entryTimeDelimColor.Fprint(w, "(")
width := writeEntryDuration(w, dur)
entryTimeDelimColor.Fprint(w, ")")
return width + 2
}
func writeEntryDuration(w io.Writer, dur time.Duration) int {
str := FormatDuration(dur)
entryDurationColor.Fprint(w, str)
return len(str)
}