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Doric/doric-js/lib/index.web.js

151 lines
5.1 KiB
JavaScript

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