111 lines
3.1 KiB
JavaScript
111 lines
3.1 KiB
JavaScript
"use strict";
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// convert string to array (typed, when possible)
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// Stryker disable all : because this is a utility function that was copied
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// from
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// https://github.com/open-xml-templating/pizzip/blob/34a840553c604980859dc6d0dcd1f89b6e5527b3/es6/utf8.js#L33
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// eslint-disable-next-line complexity
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function string2buf(str) {
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var c,
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c2,
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mPos,
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i,
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bufLen = 0;
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var strLen = str.length;
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// count binary size
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for (mPos = 0; mPos < strLen; mPos++) {
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c = str.charCodeAt(mPos);
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if ((c & 0xfc00) === 0xd800 && mPos + 1 < strLen) {
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c2 = str.charCodeAt(mPos + 1);
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if ((c2 & 0xfc00) === 0xdc00) {
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c = 0x10000 + (c - 0xd800 << 10) + (c2 - 0xdc00);
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mPos++;
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}
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}
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bufLen += c < 0x80 ? 1 : c < 0x800 ? 2 : c < 0x10000 ? 3 : 4;
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}
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// allocate buffer
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var buf = new Uint8Array(bufLen);
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// convert
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for (i = 0, mPos = 0; i < bufLen; mPos++) {
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c = str.charCodeAt(mPos);
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if ((c & 0xfc00) === 0xd800 && mPos + 1 < strLen) {
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c2 = str.charCodeAt(mPos + 1);
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if ((c2 & 0xfc00) === 0xdc00) {
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c = 0x10000 + (c - 0xd800 << 10) + (c2 - 0xdc00);
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mPos++;
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}
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}
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if (c < 0x80) {
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/* one byte */
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buf[i++] = c;
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} else if (c < 0x800) {
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/* two bytes */
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buf[i++] = 0xc0 | c >>> 6;
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buf[i++] = 0x80 | c & 0x3f;
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} else if (c < 0x10000) {
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/* three bytes */
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buf[i++] = 0xe0 | c >>> 12;
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buf[i++] = 0x80 | c >>> 6 & 0x3f;
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buf[i++] = 0x80 | c & 0x3f;
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} else {
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/* four bytes */
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buf[i++] = 0xf0 | c >>> 18;
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buf[i++] = 0x80 | c >>> 12 & 0x3f;
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buf[i++] = 0x80 | c >>> 6 & 0x3f;
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buf[i++] = 0x80 | c & 0x3f;
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}
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}
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return buf;
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}
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// Stryker restore all
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function postrender(parts, options) {
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for (var i = 0, l = options.modules.length; i < l; i++) {
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var _module = options.modules[i];
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parts = _module.postrender(parts, options);
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}
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var fullLength = 0;
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var newParts = options.joinUncorrupt(parts, options);
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var longStr = "";
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var lenStr = 0;
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var maxCompact = 65536;
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var uintArrays = [];
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for (var _i = 0, len = newParts.length; _i < len; _i++) {
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var part = newParts[_i];
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// This condition should be hit in the integration test at :
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// it("should not regress with long file (hit maxCompact value of 65536)", function () {
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// Stryker disable all : because this is an optimisation that won't make any tests fail
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if (part.length + lenStr > maxCompact) {
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var _arr = string2buf(longStr);
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fullLength += _arr.length;
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uintArrays.push(_arr);
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longStr = "";
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}
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// Stryker restore all
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longStr += part;
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lenStr += part.length;
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delete newParts[_i];
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}
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var arr = string2buf(longStr);
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fullLength += arr.length;
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uintArrays.push(arr);
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var array = new Uint8Array(fullLength);
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var j = 0;
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// Stryker disable all : because this is an optimisation that won't make any tests fail
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uintArrays.forEach(function (buf) {
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for (var _i2 = 0; _i2 < buf.length; ++_i2) {
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array[_i2 + j] = buf[_i2];
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}
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j += buf.length;
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});
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// Stryker restore all
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return array;
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}
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module.exports = postrender; |