27 lines
697 B
Plaintext
27 lines
697 B
Plaintext
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#let get-participants-i(participants) = {
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let pars-i = (:)
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for (i, p) in participants.enumerate() {
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pars-i.insert(p.name, i)
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}
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return pars-i
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}
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#let get-group-span(participants, group) = {
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let min-i = participants.len() - 1
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let max-i = 0
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let pars-i = get-participants-i(participants)
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for elmt in group.elmts {
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if elmt.type == "seq" {
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let i1 = pars-i.at(elmt.p1)
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let i2 = pars-i.at(elmt.p2)
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min-i = calc.min(min-i, i1, i2)
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max-i = calc.max(max-i, i1, i2)
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} else if elmt.type == "grp" {
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let (i0, i1) = get-group-span(participants, elmt)
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min-i = calc.min(min-i, i0)
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max-i = calc.max(max-i, i1)
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}
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}
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return (min-i, max-i)
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}
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