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octospacc
2024-08-31 00:49:21 +02:00
parent eefa5f22b9
commit 0aa86922f7
56 changed files with 17694 additions and 1 deletions
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44
node_modules/@mixmark-io/domino/LinkedList.js generated vendored Normal file
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"use strict";
var utils = require('./utils');
var LinkedList = module.exports = {
// basic validity tests on a circular linked list a
valid: function(a) {
utils.assert(a, "list falsy");
utils.assert(a._previousSibling, "previous falsy");
utils.assert(a._nextSibling, "next falsy");
// xxx check that list is actually circular
return true;
},
// insert a before b
insertBefore: function(a, b) {
utils.assert(LinkedList.valid(a) && LinkedList.valid(b));
var a_first = a, a_last = a._previousSibling;
var b_first = b, b_last = b._previousSibling;
a_first._previousSibling = b_last;
a_last._nextSibling = b_first;
b_last._nextSibling = a_first;
b_first._previousSibling = a_last;
utils.assert(LinkedList.valid(a) && LinkedList.valid(b));
},
// replace a single node a with a list b (which could be null)
replace: function(a, b) {
utils.assert(LinkedList.valid(a) && (b===null || LinkedList.valid(b)));
if (b!==null) {
LinkedList.insertBefore(b, a);
}
LinkedList.remove(a);
utils.assert(LinkedList.valid(a) && (b===null || LinkedList.valid(b)));
},
// remove single node a from its list
remove: function(a) {
utils.assert(LinkedList.valid(a));
var prev = a._previousSibling;
if (prev === a) { return; }
var next = a._nextSibling;
prev._nextSibling = next;
next._previousSibling = prev;
a._previousSibling = a._nextSibling = a;
utils.assert(LinkedList.valid(a));
}
};