Codebase list golang-github-miekg-mmark / 3ef5c461-b4bb-49be-8e7b-f6a642033b13/upstream/1.3.6+git20180823.1.4a11391+dfsg common_render.go
3ef5c461-b4bb-49be-8e7b-f6a642033b13/upstream/1.3.6+git20180823.1.4a11391+dfsg

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common_render.go @3ef5c461-b4bb-49be-8e7b-f6a642033b13/upstream/1.3.6+git20180823.1.4a11391+dfsg — raw · history · blame 

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// Common functions used in the render backends.

package mmark

import "bytes"

// blockCodePrefix adds the prefix to each line of text and returns it as a byte slice.
// If prefix is empty, text is returned as-is.
func blockCodePrefix(prefix string, text []byte) []byte {
	if prefix == "" {
		return text
	}

	nl := bytes.Count(text, []byte{'\n'})
	prefixText := bytes.Replace(text, []byte{'\n'}, []byte("\n"+prefix), nl-1)
	prefixText = append([]byte(prefix), prefixText...)
	return prefixText
}