72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
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package search
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import ()
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const DEFAULT_ANSI_HIGHLIGHT = bgYellow
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type ANSIFragmentFormatter struct {
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color string
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}
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func NewANSIFragmentFormatter() *ANSIFragmentFormatter {
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return &ANSIFragmentFormatter{
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color: DEFAULT_ANSI_HIGHLIGHT,
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}
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}
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func (a *ANSIFragmentFormatter) Format(f *Fragment, tlm TermLocationMap) string {
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orderedTermLocations := OrderTermLocations(tlm)
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rv := ""
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curr := f.start
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for _, termLocation := range orderedTermLocations {
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if termLocation.Start < curr {
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continue
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}
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if termLocation.End > f.end {
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break
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}
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// add the stuff before this location
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rv += string(f.orig[curr:termLocation.Start])
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// add the color
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rv += a.color
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// add the term itself
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rv += string(f.orig[termLocation.Start:termLocation.End])
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// reset the color
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rv += reset
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// update current
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curr = termLocation.End
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}
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// add any remaining text after the last token
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rv += string(f.orig[curr:f.end])
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return rv
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}
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// ANSI color control escape sequences.
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// Shamelessly copied from https://github.com/sqp/godock/blob/master/libs/log/colors.go
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const (
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reset = "\x1b[0m"
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bright = "\x1b[1m"
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dim = "\x1b[2m"
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underscore = "\x1b[4m"
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blink = "\x1b[5m"
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reverse = "\x1b[7m"
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hidden = "\x1b[8m"
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fgBlack = "\x1b[30m"
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fgRed = "\x1b[31m"
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fgGreen = "\x1b[32m"
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fgYellow = "\x1b[33m"
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fgBlue = "\x1b[34m"
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fgMagenta = "\x1b[35m"
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fgCyan = "\x1b[36m"
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fgWhite = "\x1b[37m"
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bgBlack = "\x1b[40m"
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bgRed = "\x1b[41m"
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bgGreen = "\x1b[42m"
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bgYellow = "\x1b[43m"
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bgBlue = "\x1b[44m"
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bgMagenta = "\x1b[45m"
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bgCyan = "\x1b[46m"
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bgWhite = "\x1b[47m"
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)
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