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style.go
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92 lines (84 loc) · 1.72 KB
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package gcstyle
import (
"fmt"
"github.com/arafath-mk/gostyle/wcolor"
)
type Style struct {
Color *wcolor.Color
Background *wcolor.Color
Bold bool
Italic bool
Underline bool
Strikethrough bool
Darken bool
Lighten bool
}
func (s Style) ApplyTo(str string, applyStyle bool) StyledString {
styled := fmt.Sprintf("%s%s%s", s.Start(applyStyle), str, s.End(applyStyle))
return StyledString{
str: styled,
applyStyle: applyStyle,
}
}
func (s Style) Start(applyStyle bool) string {
if !applyStyle {
return ""
}
var str string
if s.Color != nil {
str = fmt.Sprintf("%s\033[38;2;%d;%d;%dm", str, s.Color.R, s.Color.G, s.Color.B)
}
if s.Background != nil {
str = fmt.Sprintf("%s\033[48;2;%d;%d;%dm", str, s.Color.R, s.Color.G, s.Color.B)
}
if s.Bold {
str = fmt.Sprintf("%s\033[1m", str)
}
if s.Italic {
str = fmt.Sprintf("%s\033[3m", str)
}
if s.Underline {
str = fmt.Sprintf("%s\033[4m", str)
}
if s.Strikethrough {
str = fmt.Sprintf("%s\033[9m", str)
}
if s.Darken {
str = fmt.Sprintf("%s\033[2m", str)
}
if s.Lighten {
str = fmt.Sprintf("%s\033[1m", str)
}
return str
}
func (s Style) End(applyStyle bool) string {
if !applyStyle {
return ""
}
var str string
if s.Lighten {
str = fmt.Sprintf("%s\033[0m", str)
}
if s.Darken {
str = fmt.Sprintf("%s\033[0m", str)
}
if s.Strikethrough {
str = fmt.Sprintf("%s\033[0m", str)
}
if s.Underline {
str = fmt.Sprintf("%s\033[0m", str)
}
if s.Italic {
str = fmt.Sprintf("%s\033[0m", str)
}
if s.Bold {
str = fmt.Sprintf("%s\033[22m", str)
}
if s.Background != nil {
str = fmt.Sprintf("%s\033[m", str)
}
if s.Color != nil {
str = fmt.Sprintf("%s\033[m", str)
}
return str
}