65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package main
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import (
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"fmt"
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"html"
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"regexp"
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"strings"
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)
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var (
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urlRE = regexp.MustCompile(`https?://[^\s]+`)
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boldRE = regexp.MustCompile(`\*([^*]+)\*`)
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italicRE = regexp.MustCompile(`_([^_]+)_`)
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strikeRE = regexp.MustCompile(`~([^~]+)~`)
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codeRE = regexp.MustCompile("`([^`]+)`")
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)
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func XEPToPango(text string, correction bool) string {
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formatInline := func(s string) string {
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s = html.EscapeString(s)
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s = boldRE.ReplaceAllString(s, "<b>$1</b>")
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s = italicRE.ReplaceAllString(s, "<i>$1</i>")
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s = strikeRE.ReplaceAllString(s, "<s>$1</s>")
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s = codeRE.ReplaceAllString(s, `<tt>$1</tt>`)
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return s
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}
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format := func(s string) string {
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lines := strings.Split(s, "\n")
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for i, line := range lines {
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lines[i] = formatInline(line)
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}
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return strings.Join(lines, "\n")
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}
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var b strings.Builder
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last := 0
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for _, m := range urlRE.FindAllStringIndex(text, -1) {
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start, end := m[0], m[1]
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b.WriteString(format(text[last:start]))
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url := html.EscapeString(text[start:end])
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b.WriteString(`<a href="`)
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b.WriteString(url)
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b.WriteString(`">`)
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b.WriteString(url)
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b.WriteString(`</a>`)
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last = end
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}
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b.WriteString(format(text[last:]))
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str := b.String()
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if correction {
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str = fmt.Sprintf("%s %s", str, loadedLocale["correction"])
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}
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return str
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}
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