first-commit

doc/jsdoc-toolkit/app/frame/Hash.js

@@ -0,0 +1,84 @@
+/**
+	@constructor
+	@example
+	var _index = new Hash();
+	_index.set("a", "apple");
+	_index.set("b", "blue");
+	_index.set("c", "coffee");
+
+	for (var p = _index.first(); p; p = _index.next()) {
+		print(p.key+" is for "+p.value);
+	}
+	
+ */
+var Hash = function() {
+	this._map = {};
+	this._keys = [];
+	this._vals = [];
+	this.reset();
+}
+
+Hash.prototype.set = function(k, v) {
+	if (k != "") {
+		this._keys.push(k);
+		this._map["="+k] = this._vals.length;
+		this._vals.push(v);
+	}
+}
+
+Hash.prototype.replace = function(k, k2, v) {
+	if (k == k2) return;
+
+	var offset = this._map["="+k];
+	this._keys[offset] = k2;
+	if (typeof v != "undefined") this._vals[offset] = v;
+	this._map["="+k2] = offset;
+	delete(this._map["="+k]);
+}
+
+Hash.prototype.drop = function(k) {
+	if (k != "") {
+		var offset = this._map["="+k];
+		this._keys.splice(offset, 1);
+		this._vals.splice(offset, 1);
+		delete(this._map["="+k]);
+		for (var p in this._map) {
+			if (this._map[p] >= offset) this._map[p]--;
+		}
+		if (this._cursor >= offset && this._cursor > 0) this._cursor--;
+	}
+}
+
+Hash.prototype.get = function(k) {
+	if (k != "") {
+		return this._vals[this._map["="+k]];
+	}
+}
+
+Hash.prototype.keys = function() {
+	return this._keys;
+}
+
+Hash.prototype.hasKey = function(k) {
+	if (k != "") {
+		return (typeof this._map["="+k] != "undefined");
+	}
+}
+
+Hash.prototype.values = function() {
+	return this._vals;
+}
+
+Hash.prototype.reset = function() {
+	this._cursor = 0;
+}
+
+Hash.prototype.first = function() {
+	this.reset();
+	return this.next();
+}
+
+Hash.prototype.next = function() {
+	if (this._cursor++ < this._keys.length)
+		return {key: this._keys[this._cursor-1], value: this._vals[this._cursor-1]};
+}