49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
DataView.prototype.add = function (offset) {
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return new DataView(this.buffer, offset);
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};
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DataView.prototype.writeU8 = function (val) {
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return this.setUint8(0, val);
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};
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DataView.prototype.writeU16 = function (val) {
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return this.setUint16(0, val);
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};
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DataView.prototype.writeU32 = function (val) {
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return this.setUint32(0, val);
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};
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DataView.prototype.writeU64 = function (val) {
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return this.setUint64(0, val);
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};
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DataView.prototype.readU8 = function () {
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return this.getUint8(0);
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};
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DataView.prototype.readU16 = function () {
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return this.getUint16(0);
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};
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DataView.prototype.readU32 = function () {
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return this.getUint32(0);
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};
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DataView.prototype.readU64 = function () {
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return this.getUint64(0);
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};
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DataView.prototype.writeByteArray = function (arr) {
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for (let i = 0; i < (arr.byteLength || arr.length); i++) {
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this.setUint8(i, arr[i]);
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}
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};
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DataView.prototype.readByteArray = function (len) {
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let ret = new DataView(new ArrayBuffer(len));
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for (let i = 0; i < len; i++) {
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ret.setUint8(i, this.getUint8(i));
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}
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return ret;
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};
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const Memory = {
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alloc: (len) => new DataView(new ArrayBuffer(len + 1)),
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copy: (outbuf, inbuf, len) => outbuf.writeByteArray(inbuf.readByteArray(len)),
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};
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//module.exports = {
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// Memory,
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//};
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