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package types
type Thread struct {
Uid uint32
Children []*Thread
}
func (t *Thread) FormatThread(cb func(*Thread, []rune) bool) {
cb(t, []rune{})
walkThreads(t.Children, []rune{}, cb)
}
func walkThreads(threads []*Thread, threadFmt []rune,
cb func(*Thread, []rune) bool) {
if threads == nil {
return
}
var (
indent []rune = []rune{'\u0020', '\u0020'}
indentConnected []rune = []rune{'\u2502', '\u0020'}
arrow []rune = []rune{'\u251c', '\u2500', '\u003e'}
arrowConnected []rune = []rune{'\u2514', '\u2500', '\u003e'}
threadPrefix []rune = append(threadFmt, arrow...)
threadPrefixConnected []rune = append(threadFmt, arrowConnected...)
nextThread []rune = append(threadFmt, indent...)
nextThreadConnected []rune = append(threadFmt, indentConnected...)
)
for i := len(threads) - 1; i >= 0; i-- {
t := threads[i]
if i > 0 && len(threads) > 1 {
if cb(t, threadPrefix) {
return
}
walkThreads(t.Children, nextThreadConnected, cb)
} else {
if cb(t, threadPrefixConnected) {
return
}
walkThreads(t.Children, nextThread, cb)
}
}
}
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