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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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+
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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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+
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+/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
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+
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+(function (view) {
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+ "use strict";
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+
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+ view.URL = view.URL || view.webkitURL;
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+
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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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+
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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 = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function (view) {
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+ var
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+ 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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+
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+ , ArrayBuffer = view.ArrayBuffer
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+ , Uint8Array = view.Uint8Array
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+ ;
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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
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+ type = blob.type
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+ , data_URI_header
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+ ;
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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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+ } 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
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+ 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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+ ;
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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(
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+ this.data.slice(start, args > 1 ? end : this.data.length)
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+ , type
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+ , this.encoding
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+ );
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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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+
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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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+
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