66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
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// StringTable entry:
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// 16-times of {<WORD length> [<UTF-16 string>]}
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var StringTableItem = /** @class */ (function () {
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function StringTableItem() {
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this.length = 16;
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this._a = [];
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this._a.length = 16;
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for (var i = 0; i < 16; ++i) {
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this._a[i] = '';
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}
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}
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StringTableItem.fromEntry = function (bin, offset, byteLength) {
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var view = new DataView(bin, offset, byteLength);
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var ret = new StringTableItem();
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var o = 0;
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for (var i = 0; i < 16; ++i) {
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var len = view.getUint16(o, true);
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o += 2;
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var s = '';
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for (var j = 0; j < len; ++j) {
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s += String.fromCharCode(view.getUint16(o, true));
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o += 2;
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}
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ret._a[i] = s;
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}
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return ret;
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};
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StringTableItem.prototype.get = function (index) {
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return this._a[index] || null;
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};
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StringTableItem.prototype.getAll = function () {
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return this._a.map(function (s) { return s || null; });
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};
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StringTableItem.prototype.set = function (index, val) {
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this._a[index] = "".concat(val !== null && val !== void 0 ? val : '').substr(0, 4097); // length must be no longer than 4097
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};
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StringTableItem.prototype.calcByteLength = function () {
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var len = 0;
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for (var i = 0; i < 16; ++i) {
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len += 2;
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len += 2 * this._a[i].length; // UTF-16 length
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}
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// 16 alignment
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return Math.floor((len + 15) / 16) * 16;
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};
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StringTableItem.prototype.generate = function (bin, offset) {
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var out = new DataView(bin, offset);
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var len = 0;
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for (var i = 0; i < 16; ++i) {
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var s = this._a[i];
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var l = s.length > 4097 ? 4097 : s.length;
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out.setUint16(len, l, true);
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len += 2;
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for (var j = 0; j < l; ++j) {
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// output as UTF-16
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out.setUint16(len, s.charCodeAt(j), true);
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len += 2;
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}
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}
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// 16 alignment
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return Math.floor((len + 15) / 16) * 16;
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};
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return StringTableItem;
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}());
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export default StringTableItem;
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