// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2023 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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/* eslint-disable */
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/* Blob.js
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* A Blob implementation.
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* 2014-05-27
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*
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* By Eli Grey, http://eligrey.com
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* By Devin Samarin, https://github.com/eboyjr
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* License: X11/MIT
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* See LICENSE.md
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*/
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/*global self, unescape */
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/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
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plusplus: true */
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/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
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(function (view) {
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'use strict';
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view.URL = view.URL || view.webkitURL;
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if (view.Blob && view.URL) {
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try {
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new Blob();
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return;
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} catch (e) {}
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}
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// Internally we use a BlobBuilder implementation to base Blob off of
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// in order to support older browsers that only have BlobBuilder
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var BlobBuilder =
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view.BlobBuilder ||
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view.WebKitBlobBuilder ||
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view.MozBlobBuilder ||
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(function (view) {
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var get_class = function (object) {
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return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
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},
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FakeBlobBuilder = function BlobBuilder() {
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this.data = [];
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},
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FakeBlob = function Blob(data, type, encoding) {
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this.data = data;
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this.size = data.length;
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this.type = type;
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this.encoding = encoding;
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},
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FBB_proto = FakeBlobBuilder.prototype,
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FB_proto = FakeBlob.prototype,
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FileReaderSync = view.FileReaderSync,
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FileException = function (type) {
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this.code = this[(this.name = type)];
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},
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file_ex_codes = (
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'NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR ' +
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'NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR'
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).split(' '),
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file_ex_code = file_ex_codes.length,
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real_URL = view.URL || view.webkitURL || view,
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real_create_object_URL = real_URL.createObjectURL,
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real_revoke_object_URL = real_URL.revokeObjectURL,
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URL = real_URL,
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btoa = view.btoa,
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atob = view.atob,
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ArrayBuffer = view.ArrayBuffer,
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Uint8Array = view.Uint8Array;
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FakeBlob.fake = FB_proto.fake = true;
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while (file_ex_code--) {
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FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
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}
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if (!real_URL.createObjectURL) {
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URL = view.URL = {};
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}
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URL.createObjectURL = function (blob) {
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var type = blob.type,
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data_URI_header;
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if (type === null) {
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type = 'application/octet-stream';
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}
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if (blob instanceof FakeBlob) {
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data_URI_header = 'data:' + type;
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if (blob.encoding === 'base64') {
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return data_URI_header + ';base64,' + blob.data;
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} else if (blob.encoding === 'URI') {
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return data_URI_header + ',' + decodeURIComponent(blob.data);
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}
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if (btoa) {
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return data_URI_header + ';base64,' + btoa(blob.data);
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} else {
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return data_URI_header + ',' + encodeURIComponent(blob.data);
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}
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} else if (real_create_object_URL) {
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return real_create_object_URL.call(real_URL, blob);
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}
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};
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URL.revokeObjectURL = function (object_URL) {
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if (object_URL.substring(0, 5) !== 'data:' && real_revoke_object_URL) {
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real_revoke_object_URL.call(real_URL, object_URL);
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}
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};
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FBB_proto.append = function (data /*, endings*/) {
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var bb = this.data;
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// decode data to a binary string
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if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) {
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var str = '',
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buf = new Uint8Array(data),
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i = 0,
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buf_len = buf.length;
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for (; i < buf_len; i++) {
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str += String.fromCharCode(buf[i]);
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}
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bb.push(str);
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} else if (get_class(data) === 'Blob' || get_class(data) === 'File') {
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if (FileReaderSync) {
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var fr = new FileReaderSync();
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bb.push(fr.readAsBinaryString(data));
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} else {
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// async FileReader won't work as BlobBuilder is sync
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throw new FileException('NOT_READABLE_ERR');
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}
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} else if (data instanceof FakeBlob) {
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if (data.encoding === 'base64' && atob) {
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bb.push(atob(data.data));
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} else if (data.encoding === 'URI') {
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bb.push(decodeURIComponent(data.data));
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} else if (data.encoding === 'raw') {
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bb.push(data.data);
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}
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} else {
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if (typeof data !== 'string') {
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data += ''; // convert unsupported types to strings
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}
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// decode UTF-16 to binary string
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bb.push(unescape(encodeURIComponent(data)));
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}
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};
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FBB_proto.getBlob = function (type) {
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if (!arguments.length) {
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type = null;
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}
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return new FakeBlob(this.data.join(''), type, 'raw');
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};
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FBB_proto.toString = function () {
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return '[object BlobBuilder]';
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};
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FB_proto.slice = function (start, end, type) {
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var args = arguments.length;
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if (args < 3) {
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type = null;
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}
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return new FakeBlob(this.data.slice(start, args > 1 ? end : this.data.length), type, this.encoding);
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};
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FB_proto.toString = function () {
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return '[object Blob]';
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};
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FB_proto.close = function () {
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this.size = this.data.length = 0;
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};
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return FakeBlobBuilder;
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})(view);
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view.Blob = function Blob(blobParts, options) {
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var type = options ? options.type || '' : '';
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var builder = new BlobBuilder();
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if (blobParts) {
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for (var i = 0, len = blobParts.length; i < len; i++) {
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builder.append(blobParts[i]);
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}
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}
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return builder.getBlob(type);
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};
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})((typeof self !== 'undefined' && self) || (typeof window !== 'undefined' && window) || this.content || this);
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