Manifest parser

parser.go

var separator = regexp.MustCompile(`(?m)^---$`)
var commentStart = regexp.MustCompile(`(?m)^#.*$`)

// ParseDocuments parses a collection of YAML documents out of a single string.
func ParseDocuments(data string) []string {
	docs := make([]string, 0)
	if data == "" {
		return docs
	}

	append := func(doc string) {
		if trimmedDoc := strings.TrimSpace(doc); trimmedDoc != "" {
			docs = append(docs, trimmedDoc)
		}
	}

	data = commentStart.ReplaceAllString(data, "")
	matches := separator.FindAllStringIndex(data, -1)
	var previous int = 0
	for _, match := range matches {
		append(data[previous:match[0]])
		previous = match[1]
	}

	append(data[previous:])
	return docs
}