mirror of
https://git.sr.ht/~adnano/kiln
synced 2024-05-08 14:56:14 +02:00
27 lines
567 B
Go
27 lines
567 B
Go
package main
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import "bytes"
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var (
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frontmatterOpen = []byte("---")
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frontmatterClose = []byte("\n---")
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lf = []byte("\n")
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crlf = []byte("\r\n")
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)
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func extractFrontmatter(b []byte) (frontmatter, content []byte) {
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if !bytes.HasPrefix(b, frontmatterOpen) {
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return nil, b
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}
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next := b[len(frontmatterOpen):]
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if len(next) > 0 && !bytes.HasPrefix(next, lf) && !bytes.HasPrefix(next, crlf) {
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return nil, b
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}
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b = next
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i := bytes.Index(b, frontmatterClose)
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if i == -1 {
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return b, nil
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}
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return b[:i], b[i+len(frontmatterClose):]
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}
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