mirror of
https://github.com/jesseduffield/lazygit.git
synced 2024-12-14 11:23:09 +02:00
119 lines
2.7 KiB
Go
119 lines
2.7 KiB
Go
package authors
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import (
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"crypto/md5"
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"strings"
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"github.com/gookit/color"
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"github.com/jesseduffield/lazygit/pkg/gui/style"
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"github.com/jesseduffield/lazygit/pkg/utils"
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"github.com/lucasb-eyer/go-colorful"
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"github.com/mattn/go-runewidth"
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)
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// if these being global variables causes trouble we can wrap them in a struct
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// attached to the gui state.
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var (
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authorInitialCache = make(map[string]string)
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authorNameCache = make(map[string]string)
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authorStyleCache = make(map[string]style.TextStyle)
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)
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const authorNameWildcard = "*"
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func ShortAuthor(authorName string) string {
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if value, ok := authorInitialCache[authorName]; ok {
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return value
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}
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initials := getInitials(authorName)
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if initials == "" {
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return ""
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}
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value := AuthorStyle(authorName).Sprint(initials)
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authorInitialCache[authorName] = value
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return value
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}
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func LongAuthor(authorName string) string {
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if value, ok := authorNameCache[authorName]; ok {
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return value
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}
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paddedAuthorName := utils.WithPadding(authorName, 17, utils.AlignLeft)
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truncatedName := utils.TruncateWithEllipsis(paddedAuthorName, 17)
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value := AuthorStyle(authorName).Sprint(truncatedName)
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authorNameCache[authorName] = value
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return value
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}
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func AuthorStyle(authorName string) style.TextStyle {
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if value, ok := authorStyleCache[authorName]; ok {
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return value
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}
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// use the unified style whatever the author name is
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if value, ok := authorStyleCache[authorNameWildcard]; ok {
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return value
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}
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value := trueColorStyle(authorName)
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authorStyleCache[authorName] = value
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return value
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}
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func trueColorStyle(str string) style.TextStyle {
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hash := md5.Sum([]byte(str))
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c := colorful.Hsl(randFloat(hash[0:4])*360.0, 0.6+0.4*randFloat(hash[4:8]), 0.4+randFloat(hash[8:12])*0.2)
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return style.New().SetFg(style.NewRGBColor(color.RGB(uint8(c.R*255), uint8(c.G*255), uint8(c.B*255))))
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}
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func randFloat(hash []byte) float64 {
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return float64(randInt(hash, 100)) / 100
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}
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func randInt(hash []byte, max int) int {
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sum := 0
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for _, b := range hash {
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sum = (sum + int(b)) % max
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}
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return sum
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}
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func getInitials(authorName string) string {
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if authorName == "" {
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return authorName
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}
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firstRune := getFirstRune(authorName)
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if runewidth.RuneWidth(firstRune) > 1 {
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return string(firstRune)
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}
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split := strings.Split(authorName, " ")
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if len(split) == 1 {
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return utils.LimitStr(authorName, 2)
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}
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return utils.LimitStr(split[0], 1) + utils.LimitStr(split[1], 1)
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}
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func getFirstRune(str string) rune {
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// just using the loop for the sake of getting the first rune
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for _, r := range str {
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return r
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}
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// should never land here
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return 0
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}
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func SetCustomAuthors(customAuthorColors map[string]string) {
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authorStyleCache = utils.SetCustomColors(customAuthorColors)
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}
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