Sources/OrgSwift/Lists.swift

 1import Foundation
 2
 3func orderedListItem(in line: String) -> String? {
 4    guard let match = line.firstMatch(of: /^(\d+)\.\s+(.+)$/) else { return nil }
 5    return String(match.2)
 6}
 7
 8/// True if a line (already outdented to its level) starts a list item at column 0.
 9func isListMarkerLine(_ line: String) -> Bool {
10    line.hasPrefix("- ") || line.hasPrefix("+ ") || orderedListItem(in: line) != nil
11}
12
13func isIndentedContinuationLine(_ line: String) -> Bool {
14    guard !line.trimmingCharacters(in: .whitespaces).isEmpty else { return false }
15    guard let first = line.first else { return false }
16    return first == " " || first == "\t"
17}