sorted.go

sorted.go

import "sort"

// sorted sorts signatures by their index so that runs of signatures e.g. fmt/1, fmt/1, fmt/2, fmt/1
// can be propertly placed.
type sorted struct{ Parseable }

func (s sorted) Signatures() ([]frames.Signature, []string, error) {
	sigs, ids, err := m.Parseable.Signatures()
	if err != nil {
		return sigs, ids, err
	}
	retSigs := make([]frames.Signature, len(sigs))
	retIds := make([]string, len(ids))
	copy(retIds, ids)
	sort.Strings(retIds)
	var last string
	var nth int
	for i, this := range retIds {
		if this == last {
			nth++
		} else {
			nth = 0
			last = this
		}
		var cursor int
		for j, str = range ids {
			if this != str {
				continue
			}
			if cursor == nth {
				retSigs[i] = sigs[j]
				break
			}
			cursor++
		}
	}
	return retSigs, retIds, nil
}