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111 lines
3.5 KiB
JavaScript
111 lines
3.5 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 = ["DialNumberUtils"];
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const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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Cu.import("resource://gre/modules/systemlibs.js");
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const DEFAULT_EMERGENCY_NUMBERS = ["112", "911"];
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const MMI_MATCH_GROUP_FULL_MMI = 1;
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const MMI_MATCH_GROUP_PROCEDURE = 2;
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const MMI_MATCH_GROUP_SERVICE_CODE = 3;
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const MMI_MATCH_GROUP_SIA = 4;
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const MMI_MATCH_GROUP_SIB = 5;
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const MMI_MATCH_GROUP_SIC = 6;
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const MMI_MATCH_GROUP_PWD_CONFIRM = 7;
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const MMI_MATCH_GROUP_DIALING_NUMBER = 8;
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this.DialNumberUtils = {
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/**
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* Check a given number against the list of emergency numbers provided by the
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* RIL.
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*/
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isEmergency: function(aNumber) {
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// Check ril provided numbers first.
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let numbers = libcutils.property_get("ril.ecclist") ||
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libcutils.property_get("ro.ril.ecclist");
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if (numbers) {
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numbers = numbers.split(",");
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} else {
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// No ecclist system property, so use our own list.
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numbers = DEFAULT_EMERGENCY_NUMBERS;
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}
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return numbers.indexOf(aNumber) != -1;
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},
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_mmiRegExp: (function() {
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// Procedure, which could be *, #, *#, **, ##
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let procedure = "(\\*[*#]?|##?)";
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// Service code, which is a 2 or 3 digits that uniquely specifies the
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// Supplementary Service associated with the MMI code.
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let serviceCode = "(\\d{2,3})";
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// Supplementary Information SIA, SIB and SIC.
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// Where a particular service request does not require any SI, "*SI" is
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// not entered. The use of SIA, SIB and SIC is optional and shall be
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// entered in any of the following formats:
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// - *SIA*SIB*SIC#
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// - *SIA*SIB#
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// - *SIA**SIC#
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// - *SIA#
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// - **SIB*SIC#
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// - ***SIC#
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//
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// Also catch the additional NEW_PASSWORD for the case of a password
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// registration procedure. Ex:
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// - * 03 * ZZ * OLD_PASSWORD * NEW_PASSWORD * NEW_PASSWORD #
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// - ** 03 * ZZ * OLD_PASSWORD * NEW_PASSWORD * NEW_PASSWORD #
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// - * 03 ** OLD_PASSWORD * NEW_PASSWORD * NEW_PASSWORD #
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// - ** 03 ** OLD_PASSWORD * NEW_PASSWORD * NEW_PASSWORD #
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let si = "\\*([^*#]*)";
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let allSi = "";
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for (let i = 0; i < 4; ++i) {
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allSi = "(?:" + si + allSi + ")?";
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}
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let fullmmi = "(" + procedure + serviceCode + allSi + "#)";
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// Dial string after the #.
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let optionalDialString = "([^#]+)?";
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return new RegExp("^" + fullmmi + optionalDialString + "$");
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})(),
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/**
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* Check parse the given string as an MMI code.
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*
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* An MMI code should be:
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* - Activation (*SC*SI#).
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* - Deactivation (#SC*SI#).
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* - Interrogation (*#SC*SI#).
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* - Registration (**SC*SI#).
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* - Erasure (##SC*SI#).
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* where SC = Service Code (2 or 3 digits) and SI = Supplementary Info
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* (variable length).
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*/
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parseMMI: function(aString) {
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let matches = this._mmiRegExp.exec(aString);
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if (matches) {
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return {
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fullMMI: matches[MMI_MATCH_GROUP_FULL_MMI],
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procedure: matches[MMI_MATCH_GROUP_PROCEDURE],
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serviceCode: matches[MMI_MATCH_GROUP_SERVICE_CODE],
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sia: matches[MMI_MATCH_GROUP_SIA],
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sib: matches[MMI_MATCH_GROUP_SIB],
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sic: matches[MMI_MATCH_GROUP_SIC],
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pwd: matches[MMI_MATCH_GROUP_PWD_CONFIRM],
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dialNumber: matches[MMI_MATCH_GROUP_DIALING_NUMBER]
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};
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}
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return null;
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}
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};
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