diff options
Diffstat (limited to 'ui/commands.go')
| -rw-r--r-- | ui/commands.go | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/ui/commands.go b/ui/commands.go index 3d12eff..8cfe55d 100644 --- a/ui/commands.go +++ b/ui/commands.go @@ -22,6 +22,7 @@ import ( "io" "math" "os" + "regexp" "runtime" dbg "runtime/debug" "runtime/pprof" @@ -29,11 +30,12 @@ import ( "strconv" "strings" "time" - "unicode" "github.com/lucasb-eyer/go-colorful" + "github.com/russross/blackfriday/v2" "maunium.net/go/mautrix" + "maunium.net/go/mautrix/format" "maunium.net/go/gomuks/debug" ) @@ -79,16 +81,23 @@ var rainbow = GradientTable{ // TODO this command definitely belongs in a plugin once we have a plugin system. func makeRainbow(cmd *Command, msgtype mautrix.MessageType) { text := strings.Join(cmd.Args, " ") - var html strings.Builder - for i, char := range text { - if unicode.IsSpace(char) { - html.WriteRune(char) - continue - } - color := rainbow.GetInterpolatedColorFor(float64(i) / float64(len(text))).Hex() - _, _ = fmt.Fprintf(&html, "<font data-mx-color=\"%[1]s\" color=\"%[1]s\">%[2]c</font>", color, char) - } - go cmd.Room.SendMessage(msgtype, html.String()) + + render := NewRainbowRenderer(blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{ + Flags: blackfriday.UseXHTML, + })) + htmlBodyBytes := blackfriday.Run([]byte(text), format.Extensions, blackfriday.WithRenderer(render)) + htmlBody := strings.TrimRight(string(htmlBodyBytes), "\n") + htmlBody = format.AntiParagraphRegex.ReplaceAllString(htmlBody, "$1") + text = format.HTMLToText(htmlBody) + + count := strings.Count(htmlBody, render.ColorID) + i := -1 + htmlBody = regexp.MustCompile(render.ColorID).ReplaceAllStringFunc(htmlBody, func(match string) string { + i++ + return rainbow.GetInterpolatedColorFor(float64(i) / float64(count)).Hex() + }) + + go cmd.Room.SendMessageHTML(msgtype, text, htmlBody) } func cmdRainbow(cmd *Command) { |