jssip/lib/NameAddrHeader.js

The Javascript SIP library

"use strict";
const URI = require('./URI');
const Grammar = require('./Grammar');
module.exports = class NameAddrHeader {
    /**
     * Parse the given string and returns a NameAddrHeader instance or undefined if
     * it is an invalid NameAddrHeader.
     */
    static parse(name_addr_header) {
        name_addr_header = Grammar.parse(name_addr_header, 'Name_Addr_Header');
        if (name_addr_header !== -1) {
            return name_addr_header;
        }
        else {
            return undefined;
        }
    }
    constructor(uri, display_name, parameters) {
        // Checks.
        if (!uri || !(uri instanceof URI)) {
            throw new TypeError('missing or invalid "uri" parameter');
        }
        // Initialize parameters.
        this._uri = uri;
        this._parameters = {};
        this.display_name = display_name;
        for (const param in parameters) {
            if (Object.prototype.hasOwnProperty.call(parameters, param)) {
                this.setParam(param, parameters[param]);
            }
        }
    }
    get uri() {
        return this._uri;
    }
    get display_name() {
        return this._display_name;
    }
    set display_name(value) {
        this._display_name = value === 0 ? '0' : value;
    }
    setParam(key, value) {
        if (key) {
            this._parameters[key.toLowerCase()] =
                typeof value === 'undefined' || value === null
                    ? null
                    : value.toString();
        }
    }
    getParam(key) {
        if (key) {
            return this._parameters[key.toLowerCase()];
        }
    }
    hasParam(key) {
        if (key) {
            return ((this._parameters.hasOwnProperty(key.toLowerCase()) && true) || false);
        }
    }
    deleteParam(parameter) {
        parameter = parameter.toLowerCase();
        if (this._parameters.hasOwnProperty(parameter)) {
            const value = this._parameters[parameter];
            delete this._parameters[parameter];
            return value;
        }
    }
    clearParams() {
        this._parameters = {};
    }
    clone() {
        return new NameAddrHeader(this._uri.clone(), this._display_name, JSON.parse(JSON.stringify(this._parameters)));
    }
    _quote(str) {
        return str.replace(/\\/g, '\\\\').replace(/"/g, '\\"');
    }
    toString() {
        let body = this._display_name
            ? `"${this._quote(this._display_name)}" `
            : '';
        body += `<${this._uri.toString()}>`;
        for (const parameter in this._parameters) {
            if (Object.prototype.hasOwnProperty.call(this._parameters, parameter)) {
                body += `;${parameter}`;
                if (this._parameters[parameter] !== null) {
                    body += `=${this._parameters[parameter]}`;
                }
            }
        }
        return body;
    }
};