mirror of https://github.com/cheat/cheat.git
46 lines
996 B
Go
46 lines
996 B
Go
package sheet
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import (
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"regexp"
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"strings"
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"github.com/mgutz/ansi"
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)
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// Search searches for regexp matches in a cheatsheet's text, and optionally
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// colorizes matching strings.
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func (s *Sheet) Search(reg *regexp.Regexp, colorize bool) []Match {
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// record matches
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matches := []Match{}
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// search through the cheatsheet's text line by line
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// TODO: searching line-by-line is surely the "naive" approach. Revisit this
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// later with an eye for performance improvements.
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for linenum, line := range strings.Split(s.Text, "\n") {
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// exit early if the line doesn't match the regex
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if !reg.MatchString(line) {
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continue
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}
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// init the match
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m := Match{
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Line: linenum + 1,
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Text: strings.TrimSpace(line),
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}
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// colorize the matching text if so configured
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if colorize {
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m.Text = reg.ReplaceAllStringFunc(m.Text, func(matched string) string {
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return ansi.Color(matched, "red+b")
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})
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}
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// record the match
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matches = append(matches, m)
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}
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return matches
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}
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