2651 lines
79 KiB
JavaScript
2651 lines
79 KiB
JavaScript
/**
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* @license
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* Cesium - https://github.com/CesiumGS/cesium
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* Version 1.117
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*
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* Copyright 2011-2022 Cesium Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Columbus View (Pat. Pend.)
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*
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* Portions licensed separately.
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* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
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*/
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import {
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createTaskProcessorWorker_default
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} from "./chunk-IBXGK4WV.js";
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import {
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RuntimeError_default
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} from "./chunk-WFICTTOE.js";
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import {
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Check_default
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} from "./chunk-U4IMCOF5.js";
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import {
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__commonJS,
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__toESM,
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defined_default
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} from "./chunk-BDUJXBVF.js";
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// node_modules/pako/lib/zlib/adler32.js
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var require_adler32 = __commonJS({
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"node_modules/pako/lib/zlib/adler32.js"(exports, module) {
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"use strict";
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var adler32 = (adler, buf, len, pos) => {
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let s1 = adler & 65535 | 0, s2 = adler >>> 16 & 65535 | 0, n = 0;
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while (len !== 0) {
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n = len > 2e3 ? 2e3 : len;
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len -= n;
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do {
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s1 = s1 + buf[pos++] | 0;
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s2 = s2 + s1 | 0;
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} while (--n);
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s1 %= 65521;
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s2 %= 65521;
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}
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return s1 | s2 << 16 | 0;
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};
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module.exports = adler32;
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}
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});
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// node_modules/pako/lib/zlib/crc32.js
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var require_crc32 = __commonJS({
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"node_modules/pako/lib/zlib/crc32.js"(exports, module) {
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"use strict";
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var makeTable = () => {
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let c, table = [];
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for (var n = 0; n < 256; n++) {
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c = n;
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for (var k = 0; k < 8; k++) {
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c = c & 1 ? 3988292384 ^ c >>> 1 : c >>> 1;
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}
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table[n] = c;
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}
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return table;
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};
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var crcTable = new Uint32Array(makeTable());
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var crc32 = (crc, buf, len, pos) => {
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const t = crcTable;
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const end = pos + len;
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crc ^= -1;
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for (let i = pos; i < end; i++) {
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crc = crc >>> 8 ^ t[(crc ^ buf[i]) & 255];
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}
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return crc ^ -1;
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};
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module.exports = crc32;
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}
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});
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// node_modules/pako/lib/zlib/inffast.js
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var require_inffast = __commonJS({
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"node_modules/pako/lib/zlib/inffast.js"(exports, module) {
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"use strict";
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var BAD = 16209;
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var TYPE = 16191;
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module.exports = function inflate_fast(strm, start) {
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let _in;
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let last;
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let _out;
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let beg;
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let end;
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let dmax;
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let wsize;
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let whave;
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let wnext;
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let s_window;
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let hold;
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let bits;
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let lcode;
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let dcode;
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let lmask;
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let dmask;
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let here;
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let op;
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let len;
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let dist;
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let from;
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let from_source;
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let input, output;
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const state = strm.state;
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_in = strm.next_in;
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input = strm.input;
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last = _in + (strm.avail_in - 5);
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_out = strm.next_out;
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output = strm.output;
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beg = _out - (start - strm.avail_out);
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end = _out + (strm.avail_out - 257);
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dmax = state.dmax;
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wsize = state.wsize;
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whave = state.whave;
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wnext = state.wnext;
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s_window = state.window;
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hold = state.hold;
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bits = state.bits;
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lcode = state.lencode;
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dcode = state.distcode;
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lmask = (1 << state.lenbits) - 1;
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dmask = (1 << state.distbits) - 1;
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top:
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do {
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if (bits < 15) {
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hold += input[_in++] << bits;
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bits += 8;
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hold += input[_in++] << bits;
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bits += 8;
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}
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here = lcode[hold & lmask];
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dolen:
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for (; ; ) {
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op = here >>> 24;
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hold >>>= op;
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bits -= op;
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op = here >>> 16 & 255;
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if (op === 0) {
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output[_out++] = here & 65535;
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} else if (op & 16) {
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len = here & 65535;
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op &= 15;
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if (op) {
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if (bits < op) {
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hold += input[_in++] << bits;
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bits += 8;
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}
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len += hold & (1 << op) - 1;
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hold >>>= op;
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bits -= op;
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}
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if (bits < 15) {
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hold += input[_in++] << bits;
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bits += 8;
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hold += input[_in++] << bits;
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bits += 8;
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}
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here = dcode[hold & dmask];
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dodist:
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for (; ; ) {
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op = here >>> 24;
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hold >>>= op;
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bits -= op;
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op = here >>> 16 & 255;
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if (op & 16) {
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dist = here & 65535;
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op &= 15;
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if (bits < op) {
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hold += input[_in++] << bits;
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bits += 8;
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if (bits < op) {
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hold += input[_in++] << bits;
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bits += 8;
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}
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}
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dist += hold & (1 << op) - 1;
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if (dist > dmax) {
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strm.msg = "invalid distance too far back";
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state.mode = BAD;
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break top;
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}
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hold >>>= op;
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bits -= op;
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op = _out - beg;
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if (dist > op) {
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op = dist - op;
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if (op > whave) {
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if (state.sane) {
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strm.msg = "invalid distance too far back";
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state.mode = BAD;
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break top;
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}
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}
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from = 0;
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from_source = s_window;
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if (wnext === 0) {
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from += wsize - op;
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if (op < len) {
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len -= op;
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do {
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output[_out++] = s_window[from++];
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} while (--op);
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from = _out - dist;
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from_source = output;
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}
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} else if (wnext < op) {
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from += wsize + wnext - op;
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op -= wnext;
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if (op < len) {
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len -= op;
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do {
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output[_out++] = s_window[from++];
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} while (--op);
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from = 0;
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if (wnext < len) {
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op = wnext;
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len -= op;
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do {
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output[_out++] = s_window[from++];
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} while (--op);
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from = _out - dist;
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from_source = output;
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}
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}
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} else {
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from += wnext - op;
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if (op < len) {
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len -= op;
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do {
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output[_out++] = s_window[from++];
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} while (--op);
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from = _out - dist;
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from_source = output;
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}
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}
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while (len > 2) {
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output[_out++] = from_source[from++];
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output[_out++] = from_source[from++];
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output[_out++] = from_source[from++];
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len -= 3;
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}
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if (len) {
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output[_out++] = from_source[from++];
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if (len > 1) {
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output[_out++] = from_source[from++];
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}
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}
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} else {
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from = _out - dist;
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do {
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output[_out++] = output[from++];
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output[_out++] = output[from++];
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output[_out++] = output[from++];
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len -= 3;
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} while (len > 2);
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if (len) {
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output[_out++] = output[from++];
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if (len > 1) {
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output[_out++] = output[from++];
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}
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}
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}
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} else if ((op & 64) === 0) {
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here = dcode[(here & 65535) + (hold & (1 << op) - 1)];
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continue dodist;
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} else {
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strm.msg = "invalid distance code";
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state.mode = BAD;
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break top;
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}
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break;
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}
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} else if ((op & 64) === 0) {
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here = lcode[(here & 65535) + (hold & (1 << op) - 1)];
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continue dolen;
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} else if (op & 32) {
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state.mode = TYPE;
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break top;
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} else {
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strm.msg = "invalid literal/length code";
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state.mode = BAD;
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break top;
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}
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break;
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}
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} while (_in < last && _out < end);
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len = bits >> 3;
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_in -= len;
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bits -= len << 3;
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hold &= (1 << bits) - 1;
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strm.next_in = _in;
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strm.next_out = _out;
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strm.avail_in = _in < last ? 5 + (last - _in) : 5 - (_in - last);
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strm.avail_out = _out < end ? 257 + (end - _out) : 257 - (_out - end);
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state.hold = hold;
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state.bits = bits;
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return;
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};
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}
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});
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// node_modules/pako/lib/zlib/inftrees.js
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var require_inftrees = __commonJS({
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"node_modules/pako/lib/zlib/inftrees.js"(exports, module) {
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"use strict";
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var MAXBITS = 15;
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var ENOUGH_LENS = 852;
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var ENOUGH_DISTS = 592;
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var CODES = 0;
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var LENS = 1;
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var DISTS = 2;
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var lbase = new Uint16Array([
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/* Length codes 257..285 base */
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3,
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4,
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5,
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6,
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7,
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8,
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9,
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10,
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11,
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13,
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15,
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17,
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19,
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23,
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27,
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31,
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35,
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43,
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51,
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59,
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67,
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83,
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99,
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115,
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131,
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163,
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195,
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227,
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258,
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0,
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0
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]);
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var lext = new Uint8Array([
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/* Length codes 257..285 extra */
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16,
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16,
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16,
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16,
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16,
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16,
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16,
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16,
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17,
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17,
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17,
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17,
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18,
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18,
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18,
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18,
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19,
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19,
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19,
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19,
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20,
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20,
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20,
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20,
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21,
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21,
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21,
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21,
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16,
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72,
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78
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]);
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var dbase = new Uint16Array([
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/* Distance codes 0..29 base */
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1,
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2,
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3,
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4,
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5,
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7,
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9,
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13,
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17,
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25,
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33,
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49,
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65,
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97,
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129,
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193,
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257,
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385,
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513,
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769,
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1025,
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1537,
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2049,
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3073,
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4097,
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6145,
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8193,
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12289,
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16385,
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24577,
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0,
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0
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]);
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var dext = new Uint8Array([
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/* Distance codes 0..29 extra */
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16,
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16,
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16,
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16,
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17,
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17,
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18,
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18,
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19,
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19,
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20,
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20,
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21,
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21,
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22,
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22,
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23,
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23,
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24,
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24,
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25,
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25,
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26,
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26,
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27,
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27,
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28,
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28,
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29,
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29,
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64,
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64
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]);
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var inflate_table = (type, lens, lens_index, codes, table, table_index, work, opts) => {
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const bits = opts.bits;
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let len = 0;
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let sym = 0;
|
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let min = 0, max = 0;
|
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let root = 0;
|
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let curr = 0;
|
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let drop = 0;
|
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let left = 0;
|
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let used = 0;
|
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let huff = 0;
|
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let incr;
|
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let fill;
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let low;
|
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let mask;
|
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let next;
|
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let base = null;
|
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let match;
|
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const count = new Uint16Array(MAXBITS + 1);
|
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const offs = new Uint16Array(MAXBITS + 1);
|
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let extra = null;
|
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let here_bits, here_op, here_val;
|
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for (len = 0; len <= MAXBITS; len++) {
|
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count[len] = 0;
|
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}
|
|
for (sym = 0; sym < codes; sym++) {
|
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count[lens[lens_index + sym]]++;
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}
|
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root = bits;
|
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for (max = MAXBITS; max >= 1; max--) {
|
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if (count[max] !== 0) {
|
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break;
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}
|
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}
|
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if (root > max) {
|
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root = max;
|
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}
|
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if (max === 0) {
|
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table[table_index++] = 1 << 24 | 64 << 16 | 0;
|
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table[table_index++] = 1 << 24 | 64 << 16 | 0;
|
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opts.bits = 1;
|
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return 0;
|
|
}
|
|
for (min = 1; min < max; min++) {
|
|
if (count[min] !== 0) {
|
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break;
|
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}
|
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}
|
|
if (root < min) {
|
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root = min;
|
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}
|
|
left = 1;
|
|
for (len = 1; len <= MAXBITS; len++) {
|
|
left <<= 1;
|
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left -= count[len];
|
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if (left < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
if (left > 0 && (type === CODES || max !== 1)) {
|
|
return -1;
|
|
}
|
|
offs[1] = 0;
|
|
for (len = 1; len < MAXBITS; len++) {
|
|
offs[len + 1] = offs[len] + count[len];
|
|
}
|
|
for (sym = 0; sym < codes; sym++) {
|
|
if (lens[lens_index + sym] !== 0) {
|
|
work[offs[lens[lens_index + sym]]++] = sym;
|
|
}
|
|
}
|
|
if (type === CODES) {
|
|
base = extra = work;
|
|
match = 20;
|
|
} else if (type === LENS) {
|
|
base = lbase;
|
|
extra = lext;
|
|
match = 257;
|
|
} else {
|
|
base = dbase;
|
|
extra = dext;
|
|
match = 0;
|
|
}
|
|
huff = 0;
|
|
sym = 0;
|
|
len = min;
|
|
next = table_index;
|
|
curr = root;
|
|
drop = 0;
|
|
low = -1;
|
|
used = 1 << root;
|
|
mask = used - 1;
|
|
if (type === LENS && used > ENOUGH_LENS || type === DISTS && used > ENOUGH_DISTS) {
|
|
return 1;
|
|
}
|
|
for (; ; ) {
|
|
here_bits = len - drop;
|
|
if (work[sym] + 1 < match) {
|
|
here_op = 0;
|
|
here_val = work[sym];
|
|
} else if (work[sym] >= match) {
|
|
here_op = extra[work[sym] - match];
|
|
here_val = base[work[sym] - match];
|
|
} else {
|
|
here_op = 32 + 64;
|
|
here_val = 0;
|
|
}
|
|
incr = 1 << len - drop;
|
|
fill = 1 << curr;
|
|
min = fill;
|
|
do {
|
|
fill -= incr;
|
|
table[next + (huff >> drop) + fill] = here_bits << 24 | here_op << 16 | here_val | 0;
|
|
} while (fill !== 0);
|
|
incr = 1 << len - 1;
|
|
while (huff & incr) {
|
|
incr >>= 1;
|
|
}
|
|
if (incr !== 0) {
|
|
huff &= incr - 1;
|
|
huff += incr;
|
|
} else {
|
|
huff = 0;
|
|
}
|
|
sym++;
|
|
if (--count[len] === 0) {
|
|
if (len === max) {
|
|
break;
|
|
}
|
|
len = lens[lens_index + work[sym]];
|
|
}
|
|
if (len > root && (huff & mask) !== low) {
|
|
if (drop === 0) {
|
|
drop = root;
|
|
}
|
|
next += min;
|
|
curr = len - drop;
|
|
left = 1 << curr;
|
|
while (curr + drop < max) {
|
|
left -= count[curr + drop];
|
|
if (left <= 0) {
|
|
break;
|
|
}
|
|
curr++;
|
|
left <<= 1;
|
|
}
|
|
used += 1 << curr;
|
|
if (type === LENS && used > ENOUGH_LENS || type === DISTS && used > ENOUGH_DISTS) {
|
|
return 1;
|
|
}
|
|
low = huff & mask;
|
|
table[low] = root << 24 | curr << 16 | next - table_index | 0;
|
|
}
|
|
}
|
|
if (huff !== 0) {
|
|
table[next + huff] = len - drop << 24 | 64 << 16 | 0;
|
|
}
|
|
opts.bits = root;
|
|
return 0;
|
|
};
|
|
module.exports = inflate_table;
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/zlib/constants.js
|
|
var require_constants = __commonJS({
|
|
"node_modules/pako/lib/zlib/constants.js"(exports, module) {
|
|
"use strict";
|
|
module.exports = {
|
|
/* Allowed flush values; see deflate() and inflate() below for details */
|
|
Z_NO_FLUSH: 0,
|
|
Z_PARTIAL_FLUSH: 1,
|
|
Z_SYNC_FLUSH: 2,
|
|
Z_FULL_FLUSH: 3,
|
|
Z_FINISH: 4,
|
|
Z_BLOCK: 5,
|
|
Z_TREES: 6,
|
|
/* Return codes for the compression/decompression functions. Negative values
|
|
* are errors, positive values are used for special but normal events.
|
|
*/
|
|
Z_OK: 0,
|
|
Z_STREAM_END: 1,
|
|
Z_NEED_DICT: 2,
|
|
Z_ERRNO: -1,
|
|
Z_STREAM_ERROR: -2,
|
|
Z_DATA_ERROR: -3,
|
|
Z_MEM_ERROR: -4,
|
|
Z_BUF_ERROR: -5,
|
|
//Z_VERSION_ERROR: -6,
|
|
/* compression levels */
|
|
Z_NO_COMPRESSION: 0,
|
|
Z_BEST_SPEED: 1,
|
|
Z_BEST_COMPRESSION: 9,
|
|
Z_DEFAULT_COMPRESSION: -1,
|
|
Z_FILTERED: 1,
|
|
Z_HUFFMAN_ONLY: 2,
|
|
Z_RLE: 3,
|
|
Z_FIXED: 4,
|
|
Z_DEFAULT_STRATEGY: 0,
|
|
/* Possible values of the data_type field (though see inflate()) */
|
|
Z_BINARY: 0,
|
|
Z_TEXT: 1,
|
|
//Z_ASCII: 1, // = Z_TEXT (deprecated)
|
|
Z_UNKNOWN: 2,
|
|
/* The deflate compression method */
|
|
Z_DEFLATED: 8
|
|
//Z_NULL: null // Use -1 or null inline, depending on var type
|
|
};
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/zlib/inflate.js
|
|
var require_inflate = __commonJS({
|
|
"node_modules/pako/lib/zlib/inflate.js"(exports, module) {
|
|
"use strict";
|
|
var adler32 = require_adler32();
|
|
var crc32 = require_crc32();
|
|
var inflate_fast = require_inffast();
|
|
var inflate_table = require_inftrees();
|
|
var CODES = 0;
|
|
var LENS = 1;
|
|
var DISTS = 2;
|
|
var {
|
|
Z_FINISH,
|
|
Z_BLOCK,
|
|
Z_TREES,
|
|
Z_OK,
|
|
Z_STREAM_END,
|
|
Z_NEED_DICT,
|
|
Z_STREAM_ERROR,
|
|
Z_DATA_ERROR,
|
|
Z_MEM_ERROR,
|
|
Z_BUF_ERROR,
|
|
Z_DEFLATED
|
|
} = require_constants();
|
|
var HEAD = 16180;
|
|
var FLAGS = 16181;
|
|
var TIME = 16182;
|
|
var OS = 16183;
|
|
var EXLEN = 16184;
|
|
var EXTRA = 16185;
|
|
var NAME = 16186;
|
|
var COMMENT = 16187;
|
|
var HCRC = 16188;
|
|
var DICTID = 16189;
|
|
var DICT = 16190;
|
|
var TYPE = 16191;
|
|
var TYPEDO = 16192;
|
|
var STORED = 16193;
|
|
var COPY_ = 16194;
|
|
var COPY = 16195;
|
|
var TABLE = 16196;
|
|
var LENLENS = 16197;
|
|
var CODELENS = 16198;
|
|
var LEN_ = 16199;
|
|
var LEN = 16200;
|
|
var LENEXT = 16201;
|
|
var DIST = 16202;
|
|
var DISTEXT = 16203;
|
|
var MATCH = 16204;
|
|
var LIT = 16205;
|
|
var CHECK = 16206;
|
|
var LENGTH = 16207;
|
|
var DONE = 16208;
|
|
var BAD = 16209;
|
|
var MEM = 16210;
|
|
var SYNC = 16211;
|
|
var ENOUGH_LENS = 852;
|
|
var ENOUGH_DISTS = 592;
|
|
var MAX_WBITS = 15;
|
|
var DEF_WBITS = MAX_WBITS;
|
|
var zswap32 = (q) => {
|
|
return (q >>> 24 & 255) + (q >>> 8 & 65280) + ((q & 65280) << 8) + ((q & 255) << 24);
|
|
};
|
|
function InflateState() {
|
|
this.strm = null;
|
|
this.mode = 0;
|
|
this.last = false;
|
|
this.wrap = 0;
|
|
this.havedict = false;
|
|
this.flags = 0;
|
|
this.dmax = 0;
|
|
this.check = 0;
|
|
this.total = 0;
|
|
this.head = null;
|
|
this.wbits = 0;
|
|
this.wsize = 0;
|
|
this.whave = 0;
|
|
this.wnext = 0;
|
|
this.window = null;
|
|
this.hold = 0;
|
|
this.bits = 0;
|
|
this.length = 0;
|
|
this.offset = 0;
|
|
this.extra = 0;
|
|
this.lencode = null;
|
|
this.distcode = null;
|
|
this.lenbits = 0;
|
|
this.distbits = 0;
|
|
this.ncode = 0;
|
|
this.nlen = 0;
|
|
this.ndist = 0;
|
|
this.have = 0;
|
|
this.next = null;
|
|
this.lens = new Uint16Array(320);
|
|
this.work = new Uint16Array(288);
|
|
this.lendyn = null;
|
|
this.distdyn = null;
|
|
this.sane = 0;
|
|
this.back = 0;
|
|
this.was = 0;
|
|
}
|
|
var inflateStateCheck = (strm) => {
|
|
if (!strm) {
|
|
return 1;
|
|
}
|
|
const state = strm.state;
|
|
if (!state || state.strm !== strm || state.mode < HEAD || state.mode > SYNC) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
};
|
|
var inflateResetKeep = (strm) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
const state = strm.state;
|
|
strm.total_in = strm.total_out = state.total = 0;
|
|
strm.msg = "";
|
|
if (state.wrap) {
|
|
strm.adler = state.wrap & 1;
|
|
}
|
|
state.mode = HEAD;
|
|
state.last = 0;
|
|
state.havedict = 0;
|
|
state.flags = -1;
|
|
state.dmax = 32768;
|
|
state.head = null;
|
|
state.hold = 0;
|
|
state.bits = 0;
|
|
state.lencode = state.lendyn = new Int32Array(ENOUGH_LENS);
|
|
state.distcode = state.distdyn = new Int32Array(ENOUGH_DISTS);
|
|
state.sane = 1;
|
|
state.back = -1;
|
|
return Z_OK;
|
|
};
|
|
var inflateReset = (strm) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
const state = strm.state;
|
|
state.wsize = 0;
|
|
state.whave = 0;
|
|
state.wnext = 0;
|
|
return inflateResetKeep(strm);
|
|
};
|
|
var inflateReset2 = (strm, windowBits) => {
|
|
let wrap;
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
const state = strm.state;
|
|
if (windowBits < 0) {
|
|
wrap = 0;
|
|
windowBits = -windowBits;
|
|
} else {
|
|
wrap = (windowBits >> 4) + 5;
|
|
if (windowBits < 48) {
|
|
windowBits &= 15;
|
|
}
|
|
}
|
|
if (windowBits && (windowBits < 8 || windowBits > 15)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
if (state.window !== null && state.wbits !== windowBits) {
|
|
state.window = null;
|
|
}
|
|
state.wrap = wrap;
|
|
state.wbits = windowBits;
|
|
return inflateReset(strm);
|
|
};
|
|
var inflateInit2 = (strm, windowBits) => {
|
|
if (!strm) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
const state = new InflateState();
|
|
strm.state = state;
|
|
state.strm = strm;
|
|
state.window = null;
|
|
state.mode = HEAD;
|
|
const ret = inflateReset2(strm, windowBits);
|
|
if (ret !== Z_OK) {
|
|
strm.state = null;
|
|
}
|
|
return ret;
|
|
};
|
|
var inflateInit = (strm) => {
|
|
return inflateInit2(strm, DEF_WBITS);
|
|
};
|
|
var virgin = true;
|
|
var lenfix;
|
|
var distfix;
|
|
var fixedtables = (state) => {
|
|
if (virgin) {
|
|
lenfix = new Int32Array(512);
|
|
distfix = new Int32Array(32);
|
|
let sym = 0;
|
|
while (sym < 144) {
|
|
state.lens[sym++] = 8;
|
|
}
|
|
while (sym < 256) {
|
|
state.lens[sym++] = 9;
|
|
}
|
|
while (sym < 280) {
|
|
state.lens[sym++] = 7;
|
|
}
|
|
while (sym < 288) {
|
|
state.lens[sym++] = 8;
|
|
}
|
|
inflate_table(LENS, state.lens, 0, 288, lenfix, 0, state.work, { bits: 9 });
|
|
sym = 0;
|
|
while (sym < 32) {
|
|
state.lens[sym++] = 5;
|
|
}
|
|
inflate_table(DISTS, state.lens, 0, 32, distfix, 0, state.work, { bits: 5 });
|
|
virgin = false;
|
|
}
|
|
state.lencode = lenfix;
|
|
state.lenbits = 9;
|
|
state.distcode = distfix;
|
|
state.distbits = 5;
|
|
};
|
|
var updatewindow = (strm, src, end, copy) => {
|
|
let dist;
|
|
const state = strm.state;
|
|
if (state.window === null) {
|
|
state.wsize = 1 << state.wbits;
|
|
state.wnext = 0;
|
|
state.whave = 0;
|
|
state.window = new Uint8Array(state.wsize);
|
|
}
|
|
if (copy >= state.wsize) {
|
|
state.window.set(src.subarray(end - state.wsize, end), 0);
|
|
state.wnext = 0;
|
|
state.whave = state.wsize;
|
|
} else {
|
|
dist = state.wsize - state.wnext;
|
|
if (dist > copy) {
|
|
dist = copy;
|
|
}
|
|
state.window.set(src.subarray(end - copy, end - copy + dist), state.wnext);
|
|
copy -= dist;
|
|
if (copy) {
|
|
state.window.set(src.subarray(end - copy, end), 0);
|
|
state.wnext = copy;
|
|
state.whave = state.wsize;
|
|
} else {
|
|
state.wnext += dist;
|
|
if (state.wnext === state.wsize) {
|
|
state.wnext = 0;
|
|
}
|
|
if (state.whave < state.wsize) {
|
|
state.whave += dist;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
};
|
|
var inflate = (strm, flush) => {
|
|
let state;
|
|
let input, output;
|
|
let next;
|
|
let put;
|
|
let have, left;
|
|
let hold;
|
|
let bits;
|
|
let _in, _out;
|
|
let copy;
|
|
let from;
|
|
let from_source;
|
|
let here = 0;
|
|
let here_bits, here_op, here_val;
|
|
let last_bits, last_op, last_val;
|
|
let len;
|
|
let ret;
|
|
const hbuf = new Uint8Array(4);
|
|
let opts;
|
|
let n;
|
|
const order = (
|
|
/* permutation of code lengths */
|
|
new Uint8Array([16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15])
|
|
);
|
|
if (inflateStateCheck(strm) || !strm.output || !strm.input && strm.avail_in !== 0) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
state = strm.state;
|
|
if (state.mode === TYPE) {
|
|
state.mode = TYPEDO;
|
|
}
|
|
put = strm.next_out;
|
|
output = strm.output;
|
|
left = strm.avail_out;
|
|
next = strm.next_in;
|
|
input = strm.input;
|
|
have = strm.avail_in;
|
|
hold = state.hold;
|
|
bits = state.bits;
|
|
_in = have;
|
|
_out = left;
|
|
ret = Z_OK;
|
|
inf_leave:
|
|
for (; ; ) {
|
|
switch (state.mode) {
|
|
case HEAD:
|
|
if (state.wrap === 0) {
|
|
state.mode = TYPEDO;
|
|
break;
|
|
}
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.wrap & 2 && hold === 35615) {
|
|
if (state.wbits === 0) {
|
|
state.wbits = 15;
|
|
}
|
|
state.check = 0;
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32(state.check, hbuf, 2, 0);
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = FLAGS;
|
|
break;
|
|
}
|
|
if (state.head) {
|
|
state.head.done = false;
|
|
}
|
|
if (!(state.wrap & 1) || /* check if zlib header allowed */
|
|
(((hold & 255) << 8) + (hold >> 8)) % 31) {
|
|
strm.msg = "incorrect header check";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
if ((hold & 15) !== Z_DEFLATED) {
|
|
strm.msg = "unknown compression method";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold >>>= 4;
|
|
bits -= 4;
|
|
len = (hold & 15) + 8;
|
|
if (state.wbits === 0) {
|
|
state.wbits = len;
|
|
}
|
|
if (len > 15 || len > state.wbits) {
|
|
strm.msg = "invalid window size";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.dmax = 1 << state.wbits;
|
|
state.flags = 0;
|
|
strm.adler = state.check = 1;
|
|
state.mode = hold & 512 ? DICTID : TYPE;
|
|
hold = 0;
|
|
bits = 0;
|
|
break;
|
|
case FLAGS:
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.flags = hold;
|
|
if ((state.flags & 255) !== Z_DEFLATED) {
|
|
strm.msg = "unknown compression method";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
if (state.flags & 57344) {
|
|
strm.msg = "unknown header flags set";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
if (state.head) {
|
|
state.head.text = hold >> 8 & 1;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32(state.check, hbuf, 2, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = TIME;
|
|
case TIME:
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.head) {
|
|
state.head.time = hold;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
hbuf[2] = hold >>> 16 & 255;
|
|
hbuf[3] = hold >>> 24 & 255;
|
|
state.check = crc32(state.check, hbuf, 4, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = OS;
|
|
case OS:
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.head) {
|
|
state.head.xflags = hold & 255;
|
|
state.head.os = hold >> 8;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32(state.check, hbuf, 2, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = EXLEN;
|
|
case EXLEN:
|
|
if (state.flags & 1024) {
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.length = hold;
|
|
if (state.head) {
|
|
state.head.extra_len = hold;
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
hbuf[0] = hold & 255;
|
|
hbuf[1] = hold >>> 8 & 255;
|
|
state.check = crc32(state.check, hbuf, 2, 0);
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
} else if (state.head) {
|
|
state.head.extra = null;
|
|
}
|
|
state.mode = EXTRA;
|
|
case EXTRA:
|
|
if (state.flags & 1024) {
|
|
copy = state.length;
|
|
if (copy > have) {
|
|
copy = have;
|
|
}
|
|
if (copy) {
|
|
if (state.head) {
|
|
len = state.head.extra_len - state.length;
|
|
if (!state.head.extra) {
|
|
state.head.extra = new Uint8Array(state.head.extra_len);
|
|
}
|
|
state.head.extra.set(
|
|
input.subarray(
|
|
next,
|
|
// extra field is limited to 65536 bytes
|
|
// - no need for additional size check
|
|
next + copy
|
|
),
|
|
/*len + copy > state.head.extra_max - len ? state.head.extra_max : copy,*/
|
|
len
|
|
);
|
|
}
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
state.check = crc32(state.check, input, copy, next);
|
|
}
|
|
have -= copy;
|
|
next += copy;
|
|
state.length -= copy;
|
|
}
|
|
if (state.length) {
|
|
break inf_leave;
|
|
}
|
|
}
|
|
state.length = 0;
|
|
state.mode = NAME;
|
|
case NAME:
|
|
if (state.flags & 2048) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
copy = 0;
|
|
do {
|
|
len = input[next + copy++];
|
|
if (state.head && len && state.length < 65536) {
|
|
state.head.name += String.fromCharCode(len);
|
|
}
|
|
} while (len && copy < have);
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
state.check = crc32(state.check, input, copy, next);
|
|
}
|
|
have -= copy;
|
|
next += copy;
|
|
if (len) {
|
|
break inf_leave;
|
|
}
|
|
} else if (state.head) {
|
|
state.head.name = null;
|
|
}
|
|
state.length = 0;
|
|
state.mode = COMMENT;
|
|
case COMMENT:
|
|
if (state.flags & 4096) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
copy = 0;
|
|
do {
|
|
len = input[next + copy++];
|
|
if (state.head && len && state.length < 65536) {
|
|
state.head.comment += String.fromCharCode(len);
|
|
}
|
|
} while (len && copy < have);
|
|
if (state.flags & 512 && state.wrap & 4) {
|
|
state.check = crc32(state.check, input, copy, next);
|
|
}
|
|
have -= copy;
|
|
next += copy;
|
|
if (len) {
|
|
break inf_leave;
|
|
}
|
|
} else if (state.head) {
|
|
state.head.comment = null;
|
|
}
|
|
state.mode = HCRC;
|
|
case HCRC:
|
|
if (state.flags & 512) {
|
|
while (bits < 16) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.wrap & 4 && hold !== (state.check & 65535)) {
|
|
strm.msg = "header crc mismatch";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
}
|
|
if (state.head) {
|
|
state.head.hcrc = state.flags >> 9 & 1;
|
|
state.head.done = true;
|
|
}
|
|
strm.adler = state.check = 0;
|
|
state.mode = TYPE;
|
|
break;
|
|
case DICTID:
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
strm.adler = state.check = zswap32(hold);
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = DICT;
|
|
case DICT:
|
|
if (state.havedict === 0) {
|
|
strm.next_out = put;
|
|
strm.avail_out = left;
|
|
strm.next_in = next;
|
|
strm.avail_in = have;
|
|
state.hold = hold;
|
|
state.bits = bits;
|
|
return Z_NEED_DICT;
|
|
}
|
|
strm.adler = state.check = 1;
|
|
state.mode = TYPE;
|
|
case TYPE:
|
|
if (flush === Z_BLOCK || flush === Z_TREES) {
|
|
break inf_leave;
|
|
}
|
|
case TYPEDO:
|
|
if (state.last) {
|
|
hold >>>= bits & 7;
|
|
bits -= bits & 7;
|
|
state.mode = CHECK;
|
|
break;
|
|
}
|
|
while (bits < 3) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.last = hold & 1;
|
|
hold >>>= 1;
|
|
bits -= 1;
|
|
switch (hold & 3) {
|
|
case 0:
|
|
state.mode = STORED;
|
|
break;
|
|
case 1:
|
|
fixedtables(state);
|
|
state.mode = LEN_;
|
|
if (flush === Z_TREES) {
|
|
hold >>>= 2;
|
|
bits -= 2;
|
|
break inf_leave;
|
|
}
|
|
break;
|
|
case 2:
|
|
state.mode = TABLE;
|
|
break;
|
|
case 3:
|
|
strm.msg = "invalid block type";
|
|
state.mode = BAD;
|
|
}
|
|
hold >>>= 2;
|
|
bits -= 2;
|
|
break;
|
|
case STORED:
|
|
hold >>>= bits & 7;
|
|
bits -= bits & 7;
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if ((hold & 65535) !== (hold >>> 16 ^ 65535)) {
|
|
strm.msg = "invalid stored block lengths";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.length = hold & 65535;
|
|
hold = 0;
|
|
bits = 0;
|
|
state.mode = COPY_;
|
|
if (flush === Z_TREES) {
|
|
break inf_leave;
|
|
}
|
|
case COPY_:
|
|
state.mode = COPY;
|
|
case COPY:
|
|
copy = state.length;
|
|
if (copy) {
|
|
if (copy > have) {
|
|
copy = have;
|
|
}
|
|
if (copy > left) {
|
|
copy = left;
|
|
}
|
|
if (copy === 0) {
|
|
break inf_leave;
|
|
}
|
|
output.set(input.subarray(next, next + copy), put);
|
|
have -= copy;
|
|
next += copy;
|
|
left -= copy;
|
|
put += copy;
|
|
state.length -= copy;
|
|
break;
|
|
}
|
|
state.mode = TYPE;
|
|
break;
|
|
case TABLE:
|
|
while (bits < 14) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.nlen = (hold & 31) + 257;
|
|
hold >>>= 5;
|
|
bits -= 5;
|
|
state.ndist = (hold & 31) + 1;
|
|
hold >>>= 5;
|
|
bits -= 5;
|
|
state.ncode = (hold & 15) + 4;
|
|
hold >>>= 4;
|
|
bits -= 4;
|
|
if (state.nlen > 286 || state.ndist > 30) {
|
|
strm.msg = "too many length or distance symbols";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.have = 0;
|
|
state.mode = LENLENS;
|
|
case LENLENS:
|
|
while (state.have < state.ncode) {
|
|
while (bits < 3) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.lens[order[state.have++]] = hold & 7;
|
|
hold >>>= 3;
|
|
bits -= 3;
|
|
}
|
|
while (state.have < 19) {
|
|
state.lens[order[state.have++]] = 0;
|
|
}
|
|
state.lencode = state.lendyn;
|
|
state.lenbits = 7;
|
|
opts = { bits: state.lenbits };
|
|
ret = inflate_table(CODES, state.lens, 0, 19, state.lencode, 0, state.work, opts);
|
|
state.lenbits = opts.bits;
|
|
if (ret) {
|
|
strm.msg = "invalid code lengths set";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.have = 0;
|
|
state.mode = CODELENS;
|
|
case CODELENS:
|
|
while (state.have < state.nlen + state.ndist) {
|
|
for (; ; ) {
|
|
here = state.lencode[hold & (1 << state.lenbits) - 1];
|
|
here_bits = here >>> 24;
|
|
here_op = here >>> 16 & 255;
|
|
here_val = here & 65535;
|
|
if (here_bits <= bits) {
|
|
break;
|
|
}
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (here_val < 16) {
|
|
hold >>>= here_bits;
|
|
bits -= here_bits;
|
|
state.lens[state.have++] = here_val;
|
|
} else {
|
|
if (here_val === 16) {
|
|
n = here_bits + 2;
|
|
while (bits < n) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
hold >>>= here_bits;
|
|
bits -= here_bits;
|
|
if (state.have === 0) {
|
|
strm.msg = "invalid bit length repeat";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
len = state.lens[state.have - 1];
|
|
copy = 3 + (hold & 3);
|
|
hold >>>= 2;
|
|
bits -= 2;
|
|
} else if (here_val === 17) {
|
|
n = here_bits + 3;
|
|
while (bits < n) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
hold >>>= here_bits;
|
|
bits -= here_bits;
|
|
len = 0;
|
|
copy = 3 + (hold & 7);
|
|
hold >>>= 3;
|
|
bits -= 3;
|
|
} else {
|
|
n = here_bits + 7;
|
|
while (bits < n) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
hold >>>= here_bits;
|
|
bits -= here_bits;
|
|
len = 0;
|
|
copy = 11 + (hold & 127);
|
|
hold >>>= 7;
|
|
bits -= 7;
|
|
}
|
|
if (state.have + copy > state.nlen + state.ndist) {
|
|
strm.msg = "invalid bit length repeat";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
while (copy--) {
|
|
state.lens[state.have++] = len;
|
|
}
|
|
}
|
|
}
|
|
if (state.mode === BAD) {
|
|
break;
|
|
}
|
|
if (state.lens[256] === 0) {
|
|
strm.msg = "invalid code -- missing end-of-block";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.lenbits = 9;
|
|
opts = { bits: state.lenbits };
|
|
ret = inflate_table(LENS, state.lens, 0, state.nlen, state.lencode, 0, state.work, opts);
|
|
state.lenbits = opts.bits;
|
|
if (ret) {
|
|
strm.msg = "invalid literal/lengths set";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.distbits = 6;
|
|
state.distcode = state.distdyn;
|
|
opts = { bits: state.distbits };
|
|
ret = inflate_table(DISTS, state.lens, state.nlen, state.ndist, state.distcode, 0, state.work, opts);
|
|
state.distbits = opts.bits;
|
|
if (ret) {
|
|
strm.msg = "invalid distances set";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.mode = LEN_;
|
|
if (flush === Z_TREES) {
|
|
break inf_leave;
|
|
}
|
|
case LEN_:
|
|
state.mode = LEN;
|
|
case LEN:
|
|
if (have >= 6 && left >= 258) {
|
|
strm.next_out = put;
|
|
strm.avail_out = left;
|
|
strm.next_in = next;
|
|
strm.avail_in = have;
|
|
state.hold = hold;
|
|
state.bits = bits;
|
|
inflate_fast(strm, _out);
|
|
put = strm.next_out;
|
|
output = strm.output;
|
|
left = strm.avail_out;
|
|
next = strm.next_in;
|
|
input = strm.input;
|
|
have = strm.avail_in;
|
|
hold = state.hold;
|
|
bits = state.bits;
|
|
if (state.mode === TYPE) {
|
|
state.back = -1;
|
|
}
|
|
break;
|
|
}
|
|
state.back = 0;
|
|
for (; ; ) {
|
|
here = state.lencode[hold & (1 << state.lenbits) - 1];
|
|
here_bits = here >>> 24;
|
|
here_op = here >>> 16 & 255;
|
|
here_val = here & 65535;
|
|
if (here_bits <= bits) {
|
|
break;
|
|
}
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (here_op && (here_op & 240) === 0) {
|
|
last_bits = here_bits;
|
|
last_op = here_op;
|
|
last_val = here_val;
|
|
for (; ; ) {
|
|
here = state.lencode[last_val + ((hold & (1 << last_bits + last_op) - 1) >> last_bits)];
|
|
here_bits = here >>> 24;
|
|
here_op = here >>> 16 & 255;
|
|
here_val = here & 65535;
|
|
if (last_bits + here_bits <= bits) {
|
|
break;
|
|
}
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
hold >>>= last_bits;
|
|
bits -= last_bits;
|
|
state.back += last_bits;
|
|
}
|
|
hold >>>= here_bits;
|
|
bits -= here_bits;
|
|
state.back += here_bits;
|
|
state.length = here_val;
|
|
if (here_op === 0) {
|
|
state.mode = LIT;
|
|
break;
|
|
}
|
|
if (here_op & 32) {
|
|
state.back = -1;
|
|
state.mode = TYPE;
|
|
break;
|
|
}
|
|
if (here_op & 64) {
|
|
strm.msg = "invalid literal/length code";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.extra = here_op & 15;
|
|
state.mode = LENEXT;
|
|
case LENEXT:
|
|
if (state.extra) {
|
|
n = state.extra;
|
|
while (bits < n) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.length += hold & (1 << state.extra) - 1;
|
|
hold >>>= state.extra;
|
|
bits -= state.extra;
|
|
state.back += state.extra;
|
|
}
|
|
state.was = state.length;
|
|
state.mode = DIST;
|
|
case DIST:
|
|
for (; ; ) {
|
|
here = state.distcode[hold & (1 << state.distbits) - 1];
|
|
here_bits = here >>> 24;
|
|
here_op = here >>> 16 & 255;
|
|
here_val = here & 65535;
|
|
if (here_bits <= bits) {
|
|
break;
|
|
}
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if ((here_op & 240) === 0) {
|
|
last_bits = here_bits;
|
|
last_op = here_op;
|
|
last_val = here_val;
|
|
for (; ; ) {
|
|
here = state.distcode[last_val + ((hold & (1 << last_bits + last_op) - 1) >> last_bits)];
|
|
here_bits = here >>> 24;
|
|
here_op = here >>> 16 & 255;
|
|
here_val = here & 65535;
|
|
if (last_bits + here_bits <= bits) {
|
|
break;
|
|
}
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
hold >>>= last_bits;
|
|
bits -= last_bits;
|
|
state.back += last_bits;
|
|
}
|
|
hold >>>= here_bits;
|
|
bits -= here_bits;
|
|
state.back += here_bits;
|
|
if (here_op & 64) {
|
|
strm.msg = "invalid distance code";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.offset = here_val;
|
|
state.extra = here_op & 15;
|
|
state.mode = DISTEXT;
|
|
case DISTEXT:
|
|
if (state.extra) {
|
|
n = state.extra;
|
|
while (bits < n) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
state.offset += hold & (1 << state.extra) - 1;
|
|
hold >>>= state.extra;
|
|
bits -= state.extra;
|
|
state.back += state.extra;
|
|
}
|
|
if (state.offset > state.dmax) {
|
|
strm.msg = "invalid distance too far back";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
state.mode = MATCH;
|
|
case MATCH:
|
|
if (left === 0) {
|
|
break inf_leave;
|
|
}
|
|
copy = _out - left;
|
|
if (state.offset > copy) {
|
|
copy = state.offset - copy;
|
|
if (copy > state.whave) {
|
|
if (state.sane) {
|
|
strm.msg = "invalid distance too far back";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
}
|
|
if (copy > state.wnext) {
|
|
copy -= state.wnext;
|
|
from = state.wsize - copy;
|
|
} else {
|
|
from = state.wnext - copy;
|
|
}
|
|
if (copy > state.length) {
|
|
copy = state.length;
|
|
}
|
|
from_source = state.window;
|
|
} else {
|
|
from_source = output;
|
|
from = put - state.offset;
|
|
copy = state.length;
|
|
}
|
|
if (copy > left) {
|
|
copy = left;
|
|
}
|
|
left -= copy;
|
|
state.length -= copy;
|
|
do {
|
|
output[put++] = from_source[from++];
|
|
} while (--copy);
|
|
if (state.length === 0) {
|
|
state.mode = LEN;
|
|
}
|
|
break;
|
|
case LIT:
|
|
if (left === 0) {
|
|
break inf_leave;
|
|
}
|
|
output[put++] = state.length;
|
|
left--;
|
|
state.mode = LEN;
|
|
break;
|
|
case CHECK:
|
|
if (state.wrap) {
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold |= input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
_out -= left;
|
|
strm.total_out += _out;
|
|
state.total += _out;
|
|
if (state.wrap & 4 && _out) {
|
|
strm.adler = state.check = /*UPDATE_CHECK(state.check, put - _out, _out);*/
|
|
state.flags ? crc32(state.check, output, _out, put - _out) : adler32(state.check, output, _out, put - _out);
|
|
}
|
|
_out = left;
|
|
if (state.wrap & 4 && (state.flags ? hold : zswap32(hold)) !== state.check) {
|
|
strm.msg = "incorrect data check";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
}
|
|
state.mode = LENGTH;
|
|
case LENGTH:
|
|
if (state.wrap && state.flags) {
|
|
while (bits < 32) {
|
|
if (have === 0) {
|
|
break inf_leave;
|
|
}
|
|
have--;
|
|
hold += input[next++] << bits;
|
|
bits += 8;
|
|
}
|
|
if (state.wrap & 4 && hold !== (state.total & 4294967295)) {
|
|
strm.msg = "incorrect length check";
|
|
state.mode = BAD;
|
|
break;
|
|
}
|
|
hold = 0;
|
|
bits = 0;
|
|
}
|
|
state.mode = DONE;
|
|
case DONE:
|
|
ret = Z_STREAM_END;
|
|
break inf_leave;
|
|
case BAD:
|
|
ret = Z_DATA_ERROR;
|
|
break inf_leave;
|
|
case MEM:
|
|
return Z_MEM_ERROR;
|
|
case SYNC:
|
|
default:
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
}
|
|
strm.next_out = put;
|
|
strm.avail_out = left;
|
|
strm.next_in = next;
|
|
strm.avail_in = have;
|
|
state.hold = hold;
|
|
state.bits = bits;
|
|
if (state.wsize || _out !== strm.avail_out && state.mode < BAD && (state.mode < CHECK || flush !== Z_FINISH)) {
|
|
if (updatewindow(strm, strm.output, strm.next_out, _out - strm.avail_out)) {
|
|
state.mode = MEM;
|
|
return Z_MEM_ERROR;
|
|
}
|
|
}
|
|
_in -= strm.avail_in;
|
|
_out -= strm.avail_out;
|
|
strm.total_in += _in;
|
|
strm.total_out += _out;
|
|
state.total += _out;
|
|
if (state.wrap & 4 && _out) {
|
|
strm.adler = state.check = /*UPDATE_CHECK(state.check, strm.next_out - _out, _out);*/
|
|
state.flags ? crc32(state.check, output, _out, strm.next_out - _out) : adler32(state.check, output, _out, strm.next_out - _out);
|
|
}
|
|
strm.data_type = state.bits + (state.last ? 64 : 0) + (state.mode === TYPE ? 128 : 0) + (state.mode === LEN_ || state.mode === COPY_ ? 256 : 0);
|
|
if ((_in === 0 && _out === 0 || flush === Z_FINISH) && ret === Z_OK) {
|
|
ret = Z_BUF_ERROR;
|
|
}
|
|
return ret;
|
|
};
|
|
var inflateEnd = (strm) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
let state = strm.state;
|
|
if (state.window) {
|
|
state.window = null;
|
|
}
|
|
strm.state = null;
|
|
return Z_OK;
|
|
};
|
|
var inflateGetHeader = (strm, head) => {
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
const state = strm.state;
|
|
if ((state.wrap & 2) === 0) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
state.head = head;
|
|
head.done = false;
|
|
return Z_OK;
|
|
};
|
|
var inflateSetDictionary = (strm, dictionary) => {
|
|
const dictLength = dictionary.length;
|
|
let state;
|
|
let dictid;
|
|
let ret;
|
|
if (inflateStateCheck(strm)) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
state = strm.state;
|
|
if (state.wrap !== 0 && state.mode !== DICT) {
|
|
return Z_STREAM_ERROR;
|
|
}
|
|
if (state.mode === DICT) {
|
|
dictid = 1;
|
|
dictid = adler32(dictid, dictionary, dictLength, 0);
|
|
if (dictid !== state.check) {
|
|
return Z_DATA_ERROR;
|
|
}
|
|
}
|
|
ret = updatewindow(strm, dictionary, dictLength, dictLength);
|
|
if (ret) {
|
|
state.mode = MEM;
|
|
return Z_MEM_ERROR;
|
|
}
|
|
state.havedict = 1;
|
|
return Z_OK;
|
|
};
|
|
module.exports.inflateReset = inflateReset;
|
|
module.exports.inflateReset2 = inflateReset2;
|
|
module.exports.inflateResetKeep = inflateResetKeep;
|
|
module.exports.inflateInit = inflateInit;
|
|
module.exports.inflateInit2 = inflateInit2;
|
|
module.exports.inflate = inflate;
|
|
module.exports.inflateEnd = inflateEnd;
|
|
module.exports.inflateGetHeader = inflateGetHeader;
|
|
module.exports.inflateSetDictionary = inflateSetDictionary;
|
|
module.exports.inflateInfo = "pako inflate (from Nodeca project)";
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/utils/common.js
|
|
var require_common = __commonJS({
|
|
"node_modules/pako/lib/utils/common.js"(exports, module) {
|
|
"use strict";
|
|
var _has = (obj, key) => {
|
|
return Object.prototype.hasOwnProperty.call(obj, key);
|
|
};
|
|
module.exports.assign = function(obj) {
|
|
const sources = Array.prototype.slice.call(arguments, 1);
|
|
while (sources.length) {
|
|
const source = sources.shift();
|
|
if (!source) {
|
|
continue;
|
|
}
|
|
if (typeof source !== "object") {
|
|
throw new TypeError(source + "must be non-object");
|
|
}
|
|
for (const p in source) {
|
|
if (_has(source, p)) {
|
|
obj[p] = source[p];
|
|
}
|
|
}
|
|
}
|
|
return obj;
|
|
};
|
|
module.exports.flattenChunks = (chunks) => {
|
|
let len = 0;
|
|
for (let i = 0, l = chunks.length; i < l; i++) {
|
|
len += chunks[i].length;
|
|
}
|
|
const result = new Uint8Array(len);
|
|
for (let i = 0, pos = 0, l = chunks.length; i < l; i++) {
|
|
let chunk = chunks[i];
|
|
result.set(chunk, pos);
|
|
pos += chunk.length;
|
|
}
|
|
return result;
|
|
};
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/utils/strings.js
|
|
var require_strings = __commonJS({
|
|
"node_modules/pako/lib/utils/strings.js"(exports, module) {
|
|
"use strict";
|
|
var STR_APPLY_UIA_OK = true;
|
|
try {
|
|
String.fromCharCode.apply(null, new Uint8Array(1));
|
|
} catch (__) {
|
|
STR_APPLY_UIA_OK = false;
|
|
}
|
|
var _utf8len = new Uint8Array(256);
|
|
for (let q = 0; q < 256; q++) {
|
|
_utf8len[q] = q >= 252 ? 6 : q >= 248 ? 5 : q >= 240 ? 4 : q >= 224 ? 3 : q >= 192 ? 2 : 1;
|
|
}
|
|
_utf8len[254] = _utf8len[254] = 1;
|
|
module.exports.string2buf = (str) => {
|
|
if (typeof TextEncoder === "function" && TextEncoder.prototype.encode) {
|
|
return new TextEncoder().encode(str);
|
|
}
|
|
let buf, c, c2, m_pos, i, str_len = str.length, buf_len = 0;
|
|
for (m_pos = 0; m_pos < str_len; m_pos++) {
|
|
c = str.charCodeAt(m_pos);
|
|
if ((c & 64512) === 55296 && m_pos + 1 < str_len) {
|
|
c2 = str.charCodeAt(m_pos + 1);
|
|
if ((c2 & 64512) === 56320) {
|
|
c = 65536 + (c - 55296 << 10) + (c2 - 56320);
|
|
m_pos++;
|
|
}
|
|
}
|
|
buf_len += c < 128 ? 1 : c < 2048 ? 2 : c < 65536 ? 3 : 4;
|
|
}
|
|
buf = new Uint8Array(buf_len);
|
|
for (i = 0, m_pos = 0; i < buf_len; m_pos++) {
|
|
c = str.charCodeAt(m_pos);
|
|
if ((c & 64512) === 55296 && m_pos + 1 < str_len) {
|
|
c2 = str.charCodeAt(m_pos + 1);
|
|
if ((c2 & 64512) === 56320) {
|
|
c = 65536 + (c - 55296 << 10) + (c2 - 56320);
|
|
m_pos++;
|
|
}
|
|
}
|
|
if (c < 128) {
|
|
buf[i++] = c;
|
|
} else if (c < 2048) {
|
|
buf[i++] = 192 | c >>> 6;
|
|
buf[i++] = 128 | c & 63;
|
|
} else if (c < 65536) {
|
|
buf[i++] = 224 | c >>> 12;
|
|
buf[i++] = 128 | c >>> 6 & 63;
|
|
buf[i++] = 128 | c & 63;
|
|
} else {
|
|
buf[i++] = 240 | c >>> 18;
|
|
buf[i++] = 128 | c >>> 12 & 63;
|
|
buf[i++] = 128 | c >>> 6 & 63;
|
|
buf[i++] = 128 | c & 63;
|
|
}
|
|
}
|
|
return buf;
|
|
};
|
|
var buf2binstring = (buf, len) => {
|
|
if (len < 65534) {
|
|
if (buf.subarray && STR_APPLY_UIA_OK) {
|
|
return String.fromCharCode.apply(null, buf.length === len ? buf : buf.subarray(0, len));
|
|
}
|
|
}
|
|
let result = "";
|
|
for (let i = 0; i < len; i++) {
|
|
result += String.fromCharCode(buf[i]);
|
|
}
|
|
return result;
|
|
};
|
|
module.exports.buf2string = (buf, max) => {
|
|
const len = max || buf.length;
|
|
if (typeof TextDecoder === "function" && TextDecoder.prototype.decode) {
|
|
return new TextDecoder().decode(buf.subarray(0, max));
|
|
}
|
|
let i, out;
|
|
const utf16buf = new Array(len * 2);
|
|
for (out = 0, i = 0; i < len; ) {
|
|
let c = buf[i++];
|
|
if (c < 128) {
|
|
utf16buf[out++] = c;
|
|
continue;
|
|
}
|
|
let c_len = _utf8len[c];
|
|
if (c_len > 4) {
|
|
utf16buf[out++] = 65533;
|
|
i += c_len - 1;
|
|
continue;
|
|
}
|
|
c &= c_len === 2 ? 31 : c_len === 3 ? 15 : 7;
|
|
while (c_len > 1 && i < len) {
|
|
c = c << 6 | buf[i++] & 63;
|
|
c_len--;
|
|
}
|
|
if (c_len > 1) {
|
|
utf16buf[out++] = 65533;
|
|
continue;
|
|
}
|
|
if (c < 65536) {
|
|
utf16buf[out++] = c;
|
|
} else {
|
|
c -= 65536;
|
|
utf16buf[out++] = 55296 | c >> 10 & 1023;
|
|
utf16buf[out++] = 56320 | c & 1023;
|
|
}
|
|
}
|
|
return buf2binstring(utf16buf, out);
|
|
};
|
|
module.exports.utf8border = (buf, max) => {
|
|
max = max || buf.length;
|
|
if (max > buf.length) {
|
|
max = buf.length;
|
|
}
|
|
let pos = max - 1;
|
|
while (pos >= 0 && (buf[pos] & 192) === 128) {
|
|
pos--;
|
|
}
|
|
if (pos < 0) {
|
|
return max;
|
|
}
|
|
if (pos === 0) {
|
|
return max;
|
|
}
|
|
return pos + _utf8len[buf[pos]] > max ? pos : max;
|
|
};
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/zlib/messages.js
|
|
var require_messages = __commonJS({
|
|
"node_modules/pako/lib/zlib/messages.js"(exports, module) {
|
|
"use strict";
|
|
module.exports = {
|
|
2: "need dictionary",
|
|
/* Z_NEED_DICT 2 */
|
|
1: "stream end",
|
|
/* Z_STREAM_END 1 */
|
|
0: "",
|
|
/* Z_OK 0 */
|
|
"-1": "file error",
|
|
/* Z_ERRNO (-1) */
|
|
"-2": "stream error",
|
|
/* Z_STREAM_ERROR (-2) */
|
|
"-3": "data error",
|
|
/* Z_DATA_ERROR (-3) */
|
|
"-4": "insufficient memory",
|
|
/* Z_MEM_ERROR (-4) */
|
|
"-5": "buffer error",
|
|
/* Z_BUF_ERROR (-5) */
|
|
"-6": "incompatible version"
|
|
/* Z_VERSION_ERROR (-6) */
|
|
};
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/zlib/zstream.js
|
|
var require_zstream = __commonJS({
|
|
"node_modules/pako/lib/zlib/zstream.js"(exports, module) {
|
|
"use strict";
|
|
function ZStream() {
|
|
this.input = null;
|
|
this.next_in = 0;
|
|
this.avail_in = 0;
|
|
this.total_in = 0;
|
|
this.output = null;
|
|
this.next_out = 0;
|
|
this.avail_out = 0;
|
|
this.total_out = 0;
|
|
this.msg = "";
|
|
this.state = null;
|
|
this.data_type = 2;
|
|
this.adler = 0;
|
|
}
|
|
module.exports = ZStream;
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/zlib/gzheader.js
|
|
var require_gzheader = __commonJS({
|
|
"node_modules/pako/lib/zlib/gzheader.js"(exports, module) {
|
|
"use strict";
|
|
function GZheader() {
|
|
this.text = 0;
|
|
this.time = 0;
|
|
this.xflags = 0;
|
|
this.os = 0;
|
|
this.extra = null;
|
|
this.extra_len = 0;
|
|
this.name = "";
|
|
this.comment = "";
|
|
this.hcrc = 0;
|
|
this.done = false;
|
|
}
|
|
module.exports = GZheader;
|
|
}
|
|
});
|
|
|
|
// node_modules/pako/lib/inflate.js
|
|
var require_inflate2 = __commonJS({
|
|
"node_modules/pako/lib/inflate.js"(exports, module) {
|
|
"use strict";
|
|
var zlib_inflate = require_inflate();
|
|
var utils = require_common();
|
|
var strings = require_strings();
|
|
var msg = require_messages();
|
|
var ZStream = require_zstream();
|
|
var GZheader = require_gzheader();
|
|
var toString = Object.prototype.toString;
|
|
var {
|
|
Z_NO_FLUSH,
|
|
Z_FINISH,
|
|
Z_OK,
|
|
Z_STREAM_END,
|
|
Z_NEED_DICT,
|
|
Z_STREAM_ERROR,
|
|
Z_DATA_ERROR,
|
|
Z_MEM_ERROR
|
|
} = require_constants();
|
|
function Inflate(options) {
|
|
this.options = utils.assign({
|
|
chunkSize: 1024 * 64,
|
|
windowBits: 15,
|
|
to: ""
|
|
}, options || {});
|
|
const opt = this.options;
|
|
if (opt.raw && opt.windowBits >= 0 && opt.windowBits < 16) {
|
|
opt.windowBits = -opt.windowBits;
|
|
if (opt.windowBits === 0) {
|
|
opt.windowBits = -15;
|
|
}
|
|
}
|
|
if (opt.windowBits >= 0 && opt.windowBits < 16 && !(options && options.windowBits)) {
|
|
opt.windowBits += 32;
|
|
}
|
|
if (opt.windowBits > 15 && opt.windowBits < 48) {
|
|
if ((opt.windowBits & 15) === 0) {
|
|
opt.windowBits |= 15;
|
|
}
|
|
}
|
|
this.err = 0;
|
|
this.msg = "";
|
|
this.ended = false;
|
|
this.chunks = [];
|
|
this.strm = new ZStream();
|
|
this.strm.avail_out = 0;
|
|
let status = zlib_inflate.inflateInit2(
|
|
this.strm,
|
|
opt.windowBits
|
|
);
|
|
if (status !== Z_OK) {
|
|
throw new Error(msg[status]);
|
|
}
|
|
this.header = new GZheader();
|
|
zlib_inflate.inflateGetHeader(this.strm, this.header);
|
|
if (opt.dictionary) {
|
|
if (typeof opt.dictionary === "string") {
|
|
opt.dictionary = strings.string2buf(opt.dictionary);
|
|
} else if (toString.call(opt.dictionary) === "[object ArrayBuffer]") {
|
|
opt.dictionary = new Uint8Array(opt.dictionary);
|
|
}
|
|
if (opt.raw) {
|
|
status = zlib_inflate.inflateSetDictionary(this.strm, opt.dictionary);
|
|
if (status !== Z_OK) {
|
|
throw new Error(msg[status]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Inflate.prototype.push = function(data, flush_mode) {
|
|
const strm = this.strm;
|
|
const chunkSize = this.options.chunkSize;
|
|
const dictionary = this.options.dictionary;
|
|
let status, _flush_mode, last_avail_out;
|
|
if (this.ended)
|
|
return false;
|
|
if (flush_mode === ~~flush_mode)
|
|
_flush_mode = flush_mode;
|
|
else
|
|
_flush_mode = flush_mode === true ? Z_FINISH : Z_NO_FLUSH;
|
|
if (toString.call(data) === "[object ArrayBuffer]") {
|
|
strm.input = new Uint8Array(data);
|
|
} else {
|
|
strm.input = data;
|
|
}
|
|
strm.next_in = 0;
|
|
strm.avail_in = strm.input.length;
|
|
for (; ; ) {
|
|
if (strm.avail_out === 0) {
|
|
strm.output = new Uint8Array(chunkSize);
|
|
strm.next_out = 0;
|
|
strm.avail_out = chunkSize;
|
|
}
|
|
status = zlib_inflate.inflate(strm, _flush_mode);
|
|
if (status === Z_NEED_DICT && dictionary) {
|
|
status = zlib_inflate.inflateSetDictionary(strm, dictionary);
|
|
if (status === Z_OK) {
|
|
status = zlib_inflate.inflate(strm, _flush_mode);
|
|
} else if (status === Z_DATA_ERROR) {
|
|
status = Z_NEED_DICT;
|
|
}
|
|
}
|
|
while (strm.avail_in > 0 && status === Z_STREAM_END && strm.state.wrap > 0 && data[strm.next_in] !== 0) {
|
|
zlib_inflate.inflateReset(strm);
|
|
status = zlib_inflate.inflate(strm, _flush_mode);
|
|
}
|
|
switch (status) {
|
|
case Z_STREAM_ERROR:
|
|
case Z_DATA_ERROR:
|
|
case Z_NEED_DICT:
|
|
case Z_MEM_ERROR:
|
|
this.onEnd(status);
|
|
this.ended = true;
|
|
return false;
|
|
}
|
|
last_avail_out = strm.avail_out;
|
|
if (strm.next_out) {
|
|
if (strm.avail_out === 0 || status === Z_STREAM_END) {
|
|
if (this.options.to === "string") {
|
|
let next_out_utf8 = strings.utf8border(strm.output, strm.next_out);
|
|
let tail = strm.next_out - next_out_utf8;
|
|
let utf8str = strings.buf2string(strm.output, next_out_utf8);
|
|
strm.next_out = tail;
|
|
strm.avail_out = chunkSize - tail;
|
|
if (tail)
|
|
strm.output.set(strm.output.subarray(next_out_utf8, next_out_utf8 + tail), 0);
|
|
this.onData(utf8str);
|
|
} else {
|
|
this.onData(strm.output.length === strm.next_out ? strm.output : strm.output.subarray(0, strm.next_out));
|
|
}
|
|
}
|
|
}
|
|
if (status === Z_OK && last_avail_out === 0)
|
|
continue;
|
|
if (status === Z_STREAM_END) {
|
|
status = zlib_inflate.inflateEnd(this.strm);
|
|
this.onEnd(status);
|
|
this.ended = true;
|
|
return true;
|
|
}
|
|
if (strm.avail_in === 0)
|
|
break;
|
|
}
|
|
return true;
|
|
};
|
|
Inflate.prototype.onData = function(chunk) {
|
|
this.chunks.push(chunk);
|
|
};
|
|
Inflate.prototype.onEnd = function(status) {
|
|
if (status === Z_OK) {
|
|
if (this.options.to === "string") {
|
|
this.result = this.chunks.join("");
|
|
} else {
|
|
this.result = utils.flattenChunks(this.chunks);
|
|
}
|
|
}
|
|
this.chunks = [];
|
|
this.err = status;
|
|
this.msg = this.strm.msg;
|
|
};
|
|
function inflate(input, options) {
|
|
const inflator = new Inflate(options);
|
|
inflator.push(input);
|
|
if (inflator.err)
|
|
throw inflator.msg || msg[inflator.err];
|
|
return inflator.result;
|
|
}
|
|
function inflateRaw(input, options) {
|
|
options = options || {};
|
|
options.raw = true;
|
|
return inflate(input, options);
|
|
}
|
|
module.exports.Inflate = Inflate;
|
|
module.exports.inflate = inflate;
|
|
module.exports.inflateRaw = inflateRaw;
|
|
module.exports.ungzip = inflate;
|
|
module.exports.constants = require_constants();
|
|
}
|
|
});
|
|
|
|
// packages/engine/Source/Core/decodeGoogleEarthEnterpriseData.js
|
|
var compressedMagic = 1953029805;
|
|
var compressedMagicSwap = 2917034100;
|
|
function decodeGoogleEarthEnterpriseData(key, data) {
|
|
if (decodeGoogleEarthEnterpriseData.passThroughDataForTesting) {
|
|
return data;
|
|
}
|
|
Check_default.typeOf.object("key", key);
|
|
Check_default.typeOf.object("data", data);
|
|
const keyLength = key.byteLength;
|
|
if (keyLength === 0 || keyLength % 4 !== 0) {
|
|
throw new RuntimeError_default(
|
|
"The length of key must be greater than 0 and a multiple of 4."
|
|
);
|
|
}
|
|
const dataView = new DataView(data);
|
|
const magic = dataView.getUint32(0, true);
|
|
if (magic === compressedMagic || magic === compressedMagicSwap) {
|
|
return data;
|
|
}
|
|
const keyView = new DataView(key);
|
|
let dp = 0;
|
|
const dpend = data.byteLength;
|
|
const dpend64 = dpend - dpend % 8;
|
|
const kpend = keyLength;
|
|
let kp;
|
|
let off = 8;
|
|
while (dp < dpend64) {
|
|
off = (off + 8) % 24;
|
|
kp = off;
|
|
while (dp < dpend64 && kp < kpend) {
|
|
dataView.setUint32(
|
|
dp,
|
|
dataView.getUint32(dp, true) ^ keyView.getUint32(kp, true),
|
|
true
|
|
);
|
|
dataView.setUint32(
|
|
dp + 4,
|
|
dataView.getUint32(dp + 4, true) ^ keyView.getUint32(kp + 4, true),
|
|
true
|
|
);
|
|
dp += 8;
|
|
kp += 24;
|
|
}
|
|
}
|
|
if (dp < dpend) {
|
|
if (kp >= kpend) {
|
|
off = (off + 8) % 24;
|
|
kp = off;
|
|
}
|
|
while (dp < dpend) {
|
|
dataView.setUint8(dp, dataView.getUint8(dp) ^ keyView.getUint8(kp));
|
|
dp++;
|
|
kp++;
|
|
}
|
|
}
|
|
}
|
|
decodeGoogleEarthEnterpriseData.passThroughDataForTesting = false;
|
|
var decodeGoogleEarthEnterpriseData_default = decodeGoogleEarthEnterpriseData;
|
|
|
|
// packages/engine/Source/Core/isBitSet.js
|
|
function isBitSet(bits, mask) {
|
|
return (bits & mask) !== 0;
|
|
}
|
|
var isBitSet_default = isBitSet;
|
|
|
|
// packages/engine/Source/Core/GoogleEarthEnterpriseTileInformation.js
|
|
var childrenBitmasks = [1, 2, 4, 8];
|
|
var anyChildBitmask = 15;
|
|
var cacheFlagBitmask = 16;
|
|
var imageBitmask = 64;
|
|
var terrainBitmask = 128;
|
|
function GoogleEarthEnterpriseTileInformation(bits, cnodeVersion, imageryVersion, terrainVersion, imageryProvider, terrainProvider) {
|
|
this._bits = bits;
|
|
this.cnodeVersion = cnodeVersion;
|
|
this.imageryVersion = imageryVersion;
|
|
this.terrainVersion = terrainVersion;
|
|
this.imageryProvider = imageryProvider;
|
|
this.terrainProvider = terrainProvider;
|
|
this.ancestorHasTerrain = false;
|
|
this.terrainState = void 0;
|
|
}
|
|
GoogleEarthEnterpriseTileInformation.clone = function(info, result) {
|
|
if (!defined_default(result)) {
|
|
result = new GoogleEarthEnterpriseTileInformation(
|
|
info._bits,
|
|
info.cnodeVersion,
|
|
info.imageryVersion,
|
|
info.terrainVersion,
|
|
info.imageryProvider,
|
|
info.terrainProvider
|
|
);
|
|
} else {
|
|
result._bits = info._bits;
|
|
result.cnodeVersion = info.cnodeVersion;
|
|
result.imageryVersion = info.imageryVersion;
|
|
result.terrainVersion = info.terrainVersion;
|
|
result.imageryProvider = info.imageryProvider;
|
|
result.terrainProvider = info.terrainProvider;
|
|
}
|
|
result.ancestorHasTerrain = info.ancestorHasTerrain;
|
|
result.terrainState = info.terrainState;
|
|
return result;
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.setParent = function(parent) {
|
|
this.ancestorHasTerrain = parent.ancestorHasTerrain || this.hasTerrain();
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.hasSubtree = function() {
|
|
return isBitSet_default(this._bits, cacheFlagBitmask);
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.hasImagery = function() {
|
|
return isBitSet_default(this._bits, imageBitmask);
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.hasTerrain = function() {
|
|
return isBitSet_default(this._bits, terrainBitmask);
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.hasChildren = function() {
|
|
return isBitSet_default(this._bits, anyChildBitmask);
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.hasChild = function(index) {
|
|
return isBitSet_default(this._bits, childrenBitmasks[index]);
|
|
};
|
|
GoogleEarthEnterpriseTileInformation.prototype.getChildBitmask = function() {
|
|
return this._bits & anyChildBitmask;
|
|
};
|
|
var GoogleEarthEnterpriseTileInformation_default = GoogleEarthEnterpriseTileInformation;
|
|
|
|
// packages/engine/Source/Workers/decodeGoogleEarthEnterprisePacket.js
|
|
var import_inflate = __toESM(require_inflate2(), 1);
|
|
var sizeOfUint16 = Uint16Array.BYTES_PER_ELEMENT;
|
|
var sizeOfInt32 = Int32Array.BYTES_PER_ELEMENT;
|
|
var sizeOfUint32 = Uint32Array.BYTES_PER_ELEMENT;
|
|
var Types = {
|
|
METADATA: 0,
|
|
TERRAIN: 1,
|
|
DBROOT: 2
|
|
};
|
|
Types.fromString = function(s) {
|
|
if (s === "Metadata") {
|
|
return Types.METADATA;
|
|
} else if (s === "Terrain") {
|
|
return Types.TERRAIN;
|
|
} else if (s === "DbRoot") {
|
|
return Types.DBROOT;
|
|
}
|
|
};
|
|
function decodeGoogleEarthEnterprisePacket(parameters, transferableObjects) {
|
|
const type = Types.fromString(parameters.type);
|
|
let buffer = parameters.buffer;
|
|
decodeGoogleEarthEnterpriseData_default(parameters.key, buffer);
|
|
const uncompressedTerrain = uncompressPacket(buffer);
|
|
buffer = uncompressedTerrain.buffer;
|
|
const length = uncompressedTerrain.length;
|
|
switch (type) {
|
|
case Types.METADATA:
|
|
return processMetadata(buffer, length, parameters.quadKey);
|
|
case Types.TERRAIN:
|
|
return processTerrain(buffer, length, transferableObjects);
|
|
case Types.DBROOT:
|
|
transferableObjects.push(buffer);
|
|
return {
|
|
buffer
|
|
};
|
|
}
|
|
}
|
|
var qtMagic = 32301;
|
|
function processMetadata(buffer, totalSize, quadKey) {
|
|
const dv = new DataView(buffer);
|
|
let offset = 0;
|
|
const magic = dv.getUint32(offset, true);
|
|
offset += sizeOfUint32;
|
|
if (magic !== qtMagic) {
|
|
throw new RuntimeError_default("Invalid magic");
|
|
}
|
|
const dataTypeId = dv.getUint32(offset, true);
|
|
offset += sizeOfUint32;
|
|
if (dataTypeId !== 1) {
|
|
throw new RuntimeError_default("Invalid data type. Must be 1 for QuadTreePacket");
|
|
}
|
|
const quadVersion = dv.getUint32(offset, true);
|
|
offset += sizeOfUint32;
|
|
if (quadVersion !== 2) {
|
|
throw new RuntimeError_default(
|
|
"Invalid QuadTreePacket version. Only version 2 is supported."
|
|
);
|
|
}
|
|
const numInstances = dv.getInt32(offset, true);
|
|
offset += sizeOfInt32;
|
|
const dataInstanceSize = dv.getInt32(offset, true);
|
|
offset += sizeOfInt32;
|
|
if (dataInstanceSize !== 32) {
|
|
throw new RuntimeError_default("Invalid instance size.");
|
|
}
|
|
const dataBufferOffset = dv.getInt32(offset, true);
|
|
offset += sizeOfInt32;
|
|
const dataBufferSize = dv.getInt32(offset, true);
|
|
offset += sizeOfInt32;
|
|
const metaBufferSize = dv.getInt32(offset, true);
|
|
offset += sizeOfInt32;
|
|
if (dataBufferOffset !== numInstances * dataInstanceSize + offset) {
|
|
throw new RuntimeError_default("Invalid dataBufferOffset");
|
|
}
|
|
if (dataBufferOffset + dataBufferSize + metaBufferSize !== totalSize) {
|
|
throw new RuntimeError_default("Invalid packet offsets");
|
|
}
|
|
const instances = [];
|
|
for (let i = 0; i < numInstances; ++i) {
|
|
const bitfield = dv.getUint8(offset);
|
|
++offset;
|
|
++offset;
|
|
const cnodeVersion = dv.getUint16(offset, true);
|
|
offset += sizeOfUint16;
|
|
const imageVersion = dv.getUint16(offset, true);
|
|
offset += sizeOfUint16;
|
|
const terrainVersion = dv.getUint16(offset, true);
|
|
offset += sizeOfUint16;
|
|
offset += sizeOfUint16;
|
|
offset += sizeOfUint16;
|
|
offset += sizeOfInt32;
|
|
offset += sizeOfInt32;
|
|
offset += 8;
|
|
const imageProvider = dv.getUint8(offset++);
|
|
const terrainProvider = dv.getUint8(offset++);
|
|
offset += sizeOfUint16;
|
|
instances.push(
|
|
new GoogleEarthEnterpriseTileInformation_default(
|
|
bitfield,
|
|
cnodeVersion,
|
|
imageVersion,
|
|
terrainVersion,
|
|
imageProvider,
|
|
terrainProvider
|
|
)
|
|
);
|
|
}
|
|
const tileInfo = [];
|
|
let index = 0;
|
|
function populateTiles(parentKey, parent, level2) {
|
|
let isLeaf = false;
|
|
if (level2 === 4) {
|
|
if (parent.hasSubtree()) {
|
|
return;
|
|
}
|
|
isLeaf = true;
|
|
}
|
|
for (let i = 0; i < 4; ++i) {
|
|
const childKey = parentKey + i.toString();
|
|
if (isLeaf) {
|
|
tileInfo[childKey] = null;
|
|
} else if (level2 < 4) {
|
|
if (!parent.hasChild(i)) {
|
|
tileInfo[childKey] = null;
|
|
} else {
|
|
if (index === numInstances) {
|
|
console.log("Incorrect number of instances");
|
|
return;
|
|
}
|
|
const instance = instances[index++];
|
|
tileInfo[childKey] = instance;
|
|
populateTiles(childKey, instance, level2 + 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
let level = 0;
|
|
const root = instances[index++];
|
|
if (quadKey === "") {
|
|
++level;
|
|
} else {
|
|
tileInfo[quadKey] = root;
|
|
}
|
|
populateTiles(quadKey, root, level);
|
|
return tileInfo;
|
|
}
|
|
var numMeshesPerPacket = 5;
|
|
var numSubMeshesPerMesh = 4;
|
|
function processTerrain(buffer, totalSize, transferableObjects) {
|
|
const dv = new DataView(buffer);
|
|
const advanceMesh = function(pos) {
|
|
for (let sub = 0; sub < numSubMeshesPerMesh; ++sub) {
|
|
const size = dv.getUint32(pos, true);
|
|
pos += sizeOfUint32;
|
|
pos += size;
|
|
if (pos > totalSize) {
|
|
throw new RuntimeError_default("Malformed terrain packet found.");
|
|
}
|
|
}
|
|
return pos;
|
|
};
|
|
let offset = 0;
|
|
const terrainMeshes = [];
|
|
while (terrainMeshes.length < numMeshesPerPacket) {
|
|
const start = offset;
|
|
offset = advanceMesh(offset);
|
|
const mesh = buffer.slice(start, offset);
|
|
transferableObjects.push(mesh);
|
|
terrainMeshes.push(mesh);
|
|
}
|
|
return terrainMeshes;
|
|
}
|
|
var compressedMagic2 = 1953029805;
|
|
var compressedMagicSwap2 = 2917034100;
|
|
function uncompressPacket(data) {
|
|
const dv = new DataView(data);
|
|
let offset = 0;
|
|
const magic = dv.getUint32(offset, true);
|
|
offset += sizeOfUint32;
|
|
if (magic !== compressedMagic2 && magic !== compressedMagicSwap2) {
|
|
throw new RuntimeError_default("Invalid magic");
|
|
}
|
|
const size = dv.getUint32(offset, magic === compressedMagic2);
|
|
offset += sizeOfUint32;
|
|
const compressedPacket = new Uint8Array(data, offset);
|
|
const uncompressedPacket = import_inflate.default.inflate(compressedPacket);
|
|
if (uncompressedPacket.length !== size) {
|
|
throw new RuntimeError_default("Size of packet doesn't match header");
|
|
}
|
|
return uncompressedPacket;
|
|
}
|
|
var decodeGoogleEarthEnterprisePacket_default = createTaskProcessorWorker_default(decodeGoogleEarthEnterprisePacket);
|
|
export {
|
|
decodeGoogleEarthEnterprisePacket_default as default
|
|
};
|