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* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import FactoryMaker from '../../../core/FactoryMaker.js';
/**
* @ignore
*/
function MetricSerialiser() {
// For each entry in the top level list within the metric (in the case
// of the DVBErrors metric each entry corresponds to an "error event"
// described in clause 10.8.4) the Player shall:
function serialise(metric) {
let pairs = [];
let obj = [];
let key,
value;
// Take each (key, value) pair from the metric entry and create a
// string consisting of the name of the key, followed by an equals
// ('=') character, followed by the string representation of the
// value. The string representation of the value is created based
// on the type of the value following the instructions in Table 22.
for (key in metric) {
if (metric.hasOwnProperty(key) && (key.indexOf('_') !== 0)) {
value = metric[key];
// we want to ensure that keys still end up in the report
// even if there is no value
Iif ((value === undefined) || (value === null)) {
value = '';
}
// DVB A168 10.12.4 Table 22
if (Array.isArray(value)) {
// if trace or similar is null, do not include in output
Iif (!value.length) {
continue;
}
obj = [];
value.forEach(function (v) {
let isBuiltIn = Object.prototype.toString.call(v).slice(8, -1) !== 'Object';
obj.push(isBuiltIn ? v : serialise(v));
});
value = obj.map(encodeURIComponent).join(',');
} else if (typeof value === 'string') {
value = encodeURIComponent(value);
} else Eif (value instanceof Date) {
value = value.toISOString();
} else if (typeof value === 'number') {
value = Math.round(value);
}
pairs.push(key + '=' + value);
}
}
// Concatenate the strings created in the previous step with an
// ampersand ('&') character between each one.
return pairs.join('&');
}
return {
serialise: serialise
};
}
MetricSerialiser.__dashjs_factory_name = 'MetricSerialiser';
export default FactoryMaker.getSingletonFactory(MetricSerialiser);
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