Initial commit

node_modules/js-sdsl/dist/cjs/container/TreeContainer/Base/TreeNode.js

@@ -0,0 +1,115 @@
+"use strict";
+
+Object.defineProperty(exports, "t", {
+    value: true
+});
+
+exports.TreeNodeEnableIndex = exports.TreeNode = void 0;
+
+class TreeNode {
+    constructor(e, t) {
+        this.ee = 1;
+        this.u = undefined;
+        this.l = undefined;
+        this.U = undefined;
+        this.W = undefined;
+        this.tt = undefined;
+        this.u = e;
+        this.l = t;
+    }
+    L() {
+        let e = this;
+        if (e.ee === 1 && e.tt.tt === e) {
+            e = e.W;
+        } else if (e.U) {
+            e = e.U;
+            while (e.W) {
+                e = e.W;
+            }
+        } else {
+            let t = e.tt;
+            while (t.U === e) {
+                e = t;
+                t = e.tt;
+            }
+            e = t;
+        }
+        return e;
+    }
+    B() {
+        let e = this;
+        if (e.W) {
+            e = e.W;
+            while (e.U) {
+                e = e.U;
+            }
+            return e;
+        } else {
+            let t = e.tt;
+            while (t.W === e) {
+                e = t;
+                t = e.tt;
+            }
+            if (e.W !== t) {
+                return t;
+            } else return e;
+        }
+    }
+    te() {
+        const e = this.tt;
+        const t = this.W;
+        const s = t.U;
+        if (e.tt === this) e.tt = t; else if (e.U === this) e.U = t; else e.W = t;
+        t.tt = e;
+        t.U = this;
+        this.tt = t;
+        this.W = s;
+        if (s) s.tt = this;
+        return t;
+    }
+    se() {
+        const e = this.tt;
+        const t = this.U;
+        const s = t.W;
+        if (e.tt === this) e.tt = t; else if (e.U === this) e.U = t; else e.W = t;
+        t.tt = e;
+        t.W = this;
+        this.tt = t;
+        this.U = s;
+        if (s) s.tt = this;
+        return t;
+    }
+}
+
+exports.TreeNode = TreeNode;
+
+class TreeNodeEnableIndex extends TreeNode {
+    constructor() {
+        super(...arguments);
+        this.rt = 1;
+    }
+    te() {
+        const e = super.te();
+        this.ie();
+        e.ie();
+        return e;
+    }
+    se() {
+        const e = super.se();
+        this.ie();
+        e.ie();
+        return e;
+    }
+    ie() {
+        this.rt = 1;
+        if (this.U) {
+            this.rt += this.U.rt;
+        }
+        if (this.W) {
+            this.rt += this.W.rt;
+        }
+    }
+}
+
+exports.TreeNodeEnableIndex = TreeNodeEnableIndex;
+//# sourceMappingURL=TreeNode.js.map