зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
3.4 KiB
JavaScript
121 строка
3.4 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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this.EXPORTED_SYMBOLS = ["TelURIParser"];
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/**
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* Singleton providing functionality for parsing tel: and sms: URIs
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*/
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this.TelURIParser = {
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parseURI: function(scheme, uri) {
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// Ignore MWI and USSD codes. See 794034.
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if (uri.indexOf('*') != -1 || uri.indexOf('#') != -1) {
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return null;
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}
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// https://www.ietf.org/rfc/rfc2806.txt
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let subscriber = uri.slice((scheme + ':').length);
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if (!subscriber.length) {
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return null;
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}
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let number = '';
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let pos = 0;
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let len = subscriber.length;
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// visual-separator
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let visualSeparator = [ '-', '.', '(', ')' ];
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let digits = [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' ];
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let dtmfDigits = [ '*', '#', 'A', 'B', 'C', 'D' ];
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let pauseCharacter = [ 'p', 'w' ];
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// global-phone-number
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if (subscriber[pos] == '+') {
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number += '+';
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for (++pos; pos < len; ++pos) {
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if (visualSeparator.indexOf(subscriber[pos]) != -1) {
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number += subscriber[pos];
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} else if (digits.indexOf(subscriber[pos]) != -1) {
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number += subscriber[pos];
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} else {
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break;
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}
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}
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}
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// local-phone-number
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else {
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for (; pos < len; ++pos) {
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if (visualSeparator.indexOf(subscriber[pos]) != -1) {
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number += subscriber[pos];
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} else if (digits.indexOf(subscriber[pos]) != -1) {
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number += subscriber[pos];
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} else if (dtmfDigits.indexOf(subscriber[pos]) != -1) {
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number += subscriber[pos];
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} else if (pauseCharacter.indexOf(subscriber[pos]) != -1) {
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number += subscriber[pos];
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} else {
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break;
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}
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}
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// this means error
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if (!number.length) {
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return null;
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}
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// isdn-subaddress
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if (subscriber.substring(pos, pos + 6) == ';isub=') {
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let subaddress = '';
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for (pos += 6; pos < len; ++pos) {
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if (visualSeparator.indexOf(subscriber[pos]) != -1) {
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subaddress += subscriber[pos];
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} else if (digits.indexOf(subscriber[pos]) != -1) {
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subaddress += subscriber[pos];
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} else {
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break;
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}
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}
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// FIXME: ignore subaddress - Bug 795242
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}
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// post-dial
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if (subscriber.substring(pos, pos + 7) == ';postd=') {
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let subaddress = '';
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for (pos += 7; pos < len; ++pos) {
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if (visualSeparator.indexOf(subscriber[pos]) != -1) {
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subaddress += subscriber[pos];
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} else if (digits.indexOf(subscriber[pos]) != -1) {
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subaddress += subscriber[pos];
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} else if (dtmfDigits.indexOf(subscriber[pos]) != -1) {
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subaddress += subscriber[pos];
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} else if (pauseCharacter.indexOf(subscriber[pos]) != -1) {
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subaddress += subscriber[pos];
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} else {
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break;
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}
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}
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// FIXME: ignore subaddress - Bug 795242
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}
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// area-specific
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if (subscriber.substring(pos, pos + 15) == ';phone-context=') {
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pos += 15;
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// global-network-prefix | local-network-prefix | private-prefi
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number = subscriber.substring(pos, subscriber.length) + number;
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}
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}
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return number || null;
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}
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};
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