151 lines
5.1 KiB
JavaScript
151 lines
5.1 KiB
JavaScript
"use strict";
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function _arrayBufferToBase64(arrayBuffer) {
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let base64 = '';
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const encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
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const bytes = new Uint8Array(arrayBuffer);
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const byteLength = bytes.byteLength;
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const byteRemainder = byteLength % 3;
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const mainLength = byteLength - byteRemainder;
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let a, b, c, d;
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let chunk;
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// Main loop deals with bytes in chunks of 3
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for (var i = 0; i < mainLength; i = i + 3) {
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// Combine the three bytes into a single integer
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chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2];
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// Use bitmasks to extract 6-bit segments from the triplet
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a = (chunk & 16515072) >> 18; // 16515072 = (2^6 - 1) << 18
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b = (chunk & 258048) >> 12; // 258048 = (2^6 - 1) << 12
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c = (chunk & 4032) >> 6; // 4032 = (2^6 - 1) << 6
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d = chunk & 63; // 63 = 2^6 - 1
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// Convert the raw binary segments to the appropriate ASCII encoding
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base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d];
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}
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// Deal with the remaining bytes and padding
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if (byteRemainder == 1) {
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chunk = bytes[mainLength];
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a = (chunk & 252) >> 2; // 252 = (2^6 - 1) << 2
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// Set the 4 least significant bits to zero
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b = (chunk & 3) << 4; // 3 = 2^2 - 1
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base64 += encodings[a] + encodings[b] + '==';
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}
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else if (byteRemainder == 2) {
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chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1];
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a = (chunk & 64512) >> 10; // 64512 = (2^6 - 1) << 10
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b = (chunk & 1008) >> 4; // 1008 = (2^6 - 1) << 4
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// Set the 2 least significant bits to zero
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c = (chunk & 15) << 2; // 15 = 2^4 - 1
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base64 += encodings[a] + encodings[b] + encodings[c] + '=';
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}
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return base64;
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}
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function _base64ToArrayBuffer(v) {
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const binary_string = window.atob(v);
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const len = binary_string.length;
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const bytes = new Uint8Array(len);
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for (let i = 0; i < len; i++) {
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bytes[i] = binary_string.charCodeAt(i);
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}
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return bytes.buffer;
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}
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function _wrappedValue(v) {
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switch (typeof v) {
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case "number":
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return {
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type: "number",
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value: v
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};
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case "string":
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return {
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type: "string",
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value: v
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};
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case "boolean":
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return {
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type: "boolean",
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value: v
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};
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case "object":
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if (v instanceof ArrayBuffer) {
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return {
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type: "arrayBuffer",
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value: _arrayBufferToBase64(v)
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};
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}
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else if (v instanceof Array) {
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return {
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type: "array",
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value: JSON.stringify(v)
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};
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}
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else {
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return {
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type: "object",
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value: JSON.stringify(v)
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};
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}
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default:
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return {
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type: "null",
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value: undefined
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};
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}
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}
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function _rawValue(v) {
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switch (v.type) {
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case "number":
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return v.value;
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case "string":
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return v.value;
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case "boolean":
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return v.value;
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case "object":
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case "array":
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if (typeof v.value === 'string') {
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return JSON.parse(v.value);
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}
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return v.value;
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case "arrayBuffer":
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const data = NativeClient.fetchArrayBuffer(v.value);
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return _base64ToArrayBuffer(data);
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;
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default:
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return undefined;
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}
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}
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function __injectGlobalObject(name, args) {
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Reflect.set(window, name, JSON.parse(args));
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}
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function __injectGlobalFunction(name) {
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Reflect.set(window, name, function () {
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const args = [];
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for (let i = 0; i < arguments.length; i++) {
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args.push(_wrappedValue(arguments[i]));
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}
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const ret = NativeClient.callNative(name, JSON.stringify(args));
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return _rawValue(JSON.parse(ret));
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});
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}
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function __invokeMethod(objectName, functionName, stringifiedArgs) {
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// NativeClient.log(`invoke:${objectName}.${functionName}(${stringifiedArgs})`)
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try {
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const thisObject = Reflect.get(window, objectName);
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const thisFunction = Reflect.get(thisObject, functionName);
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const args = JSON.parse(stringifiedArgs);
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const rawArgs = args.map(e => _rawValue(e));
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const ret = Reflect.apply(thisFunction, thisObject, rawArgs);
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const returnVal = ret ? JSON.stringify(_wrappedValue(ret)) : "";
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// NativeClient.log(`return:${returnVal}`)
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NativeClient.returnNative(returnVal);
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}
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catch (e) {
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NativeClient.log(`error:${e},${e.stack}`);
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NativeClient.returnNative("");
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}
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}
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function _prepared() {
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window.setTimeout = Reflect.get(window, "doricSetTimeout");
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window.setInterval = Reflect.get(window, "doricSetInterval");
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window.clearTimeout = Reflect.get(window, "doricClearTimeout");
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window.clearInterval = Reflect.get(window, "doricClearInterval");
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}
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