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@ -235,6 +235,52 @@ def swap_succ(node): |
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# Dokumentace viz wiki: |
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# Dokumentace viz wiki: |
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# (lower bude jednoduchá rotace, ne mega, existence jednoduché rotace mi došla až po nakreslení obrázku) |
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# (lower bude jednoduchá rotace, ne mega, existence jednoduché rotace mi došla až po nakreslení obrázku) |
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def raise_node(node): |
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def raise_node(node): |
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if node is None: |
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raise TreeLibError("Nelze přesunout None. Tohle by se nemělo stát.") |
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# Pojmenování viz WIKI (as of 2020-03-19 01:33:44 GMT+1) |
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# FIXME: Velmi naivní, chybí error checky |
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D = node |
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C = get_parent(D) |
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E = C.succ |
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subtree4_head = D.first_child |
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subtree4_tail = last_brother(subtree4_head) |
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subtree3P_head = D.succ |
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subtree3L_head = C.first_child |
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subtree3L_tail = safe_pred(D) |
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# Prostor pro motlitbu... |
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pass |
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pass |
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# Amen. |
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C.succ = D |
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C.save() |
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D.succ = E |
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D.save() |
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subtree3L_tail.succ = None |
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subtree3L_tail.save() |
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subtree4_tail.succ = subtree3P.head |
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subtree4_tail.save() |
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# To by mělo být všechno... |
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def lower_node(node): |
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def lower_node(node): |
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if node is None: |
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raise TreeLibError("Nelze přesunout None. Tohle by se nemělo stát.") |
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# Pojmenování viz WIKI (as of 2020-03-19 01:33:44 GMT+1) |
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# FIXME: Velmi naivní, chybí error checky |
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C = node |
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D = C.succ |
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B = safe_pred(C) |
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subtree2_head = B.first_child |
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subtree2_tail = last_brother(subtree2_head) |
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# Prostor pro motlitbu... |
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pass |
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pass |
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# Amen. |
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B.succ = D |
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B.save() |
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subtree2_tail.succ = C |
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subtree2_tail.save() |
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# To by mělo být všechno... |
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