54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package d2svg
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import (
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"strings"
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"github.com/alecthomas/chroma/v2"
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"github.com/alecthomas/chroma/v2/formatters/svg"
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)
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// Copied private functions from chroma. Their public functions do too much (write the whole SVG document)
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// https://github.com/alecthomas/chroma
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// >>> BEGIN
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var svgEscaper = strings.NewReplacer(
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`&`, "&",
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`<`, "<",
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`>`, ">",
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`"`, """,
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` `, " ",
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` `, "    ",
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)
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func styleToSVG(style *chroma.Style) map[chroma.TokenType]string {
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converted := map[chroma.TokenType]string{}
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bg := style.Get(chroma.Background)
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// Convert the style.
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for t := range chroma.StandardTypes {
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entry := style.Get(t)
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if t != chroma.Background {
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entry = entry.Sub(bg)
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}
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if entry.IsZero() {
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continue
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}
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converted[t] = svg.StyleEntryToSVG(entry)
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}
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return converted
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}
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func styleAttr(styles map[chroma.TokenType]string, tt chroma.TokenType) string {
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if _, ok := styles[tt]; !ok {
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tt = tt.SubCategory()
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if _, ok := styles[tt]; !ok {
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tt = tt.Category()
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if _, ok := styles[tt]; !ok {
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return ""
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}
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}
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}
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out := strings.Replace(styles[tt], `font-weight="bold"`, `class="text-mono-bold"`, -1)
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return strings.Replace(out, `font-style="italic"`, `class="text-mono-italic"`, -1)
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}
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// <<< END
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