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package main
import (
"strings"
)
// Prettify formats gemtext nicely with escape sequences.
func Prettify(plain *string) *string {
lines := strings.Split(*plain, "\n")
outlines := make([]string, 0, len(lines))
preform := false
for _, line := range lines {
outline := line
line = strings.TrimSpace(line)
fwspace := strings.Index(line, " ")
var firstword string
if fwspace == -1 {
firstword = line
} else {
firstword = line[:fwspace]
}
if preform && firstword != "```" {
outlines = append(outlines, outline)
continue
}
if len(firstword) > 3 {
firstword = firstword[:3]
}
switch firstword {
case "```":
// preformatted
preform = !preform
continue
case "#":
// heading
outline = "\033[1;31m" + outline + "\033[m"
case "##":
// subheading
outline = "\033[1;32m" + outline + "\033[m"
case "###":
// sub-subheading
outline = "\033[1;33m" + outline + "\033[m"
case "*":
// list
outline = " •" + line[1:]
case ">":
// quote
outline = "\t\033[3;37m" + outline + "\033[m"
case "=>":
// link
outline = "\033[4;34m" + outline + "\033[m"
}
outlines = append(outlines, outline)
}
pretty := strings.Join(outlines, "\n")
return &pretty
}
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