func (f *Formatter) formatLinePrefix(line *gc.DiffLine) string {
switch line.Type {
case gc.DiffAdd, gc.DiffAddNewline:
return gx.Colorize(gx.Green, "+", f.useColor)
case gc.DiffRemove, gc.DiffRemoveNewline:
return gx.Colorize(gx.Red, "-", f.useColor)
default:
return " "
}
}
func (f *Formatter) formatLineContent(line *gc.DiffLine) string {
switch line.Type {
case gc.DiffAddNewline, gc.DiffRemoveNewline:
return "↵"
case gc.DiffAdd:
return gx.Colorize(gx.Green, line.Content, f.useColor)
case gc.DiffRemove:
return gx.Colorize(gx.Red, line.Content, f.useColor)
default:
return line.Content
}
}
func (f *Formatter) formatLineNumbers(oldNum, newNum int) string {
if !f.useLineNumbers {
return ""
}
var newLine string
oldLine := f.formatLineNumber(oldNum)
if oldNum == newNum || newNum == -1 {
newLine = f.formatLineNumber(-1)
} else {
newLine = gx.Colorize(gx.Green, f.formatLineNumber(newNum), f.useColor)
}
if oldNum != -1 {
oldLine = gx.Colorize(gx.Red, oldLine, f.useColor)
}
return fmt.Sprintf("%v%v", oldLine, newLine)
}
func (f *Formatter) formatTitle(c *gc.Comment, highlight string) string {
lines := strings.Split(c.Content, "\n")
title := lines[0]
if len(lines) > 1 {
title = fmt.Sprintf("%v...", title)
}
if f.useColor {
title = strings.Replace(title, highlight, gx.Colorize(gx.Red, highlight, true), -1)
}
return title
}
func (f *Formatter) FormatComment(c *gc.Comment, highlight string) string {
return fmt.Sprintf("%v %v\n",
gx.Colorize(gx.Cyan, f.formatHeader(c), f.useColor),
f.formatTitle(c, highlight))
}