| /* |
| * Copyright 2014-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| ONOS GUI -- Util -- General Purpose Functions |
| */ |
| (function () { |
| 'use strict'; |
| |
| // injected services |
| var $window, $log; |
| |
| // internal state |
| var debugFlags = {}; |
| |
| // function references |
| var fcc = String.fromCharCode, |
| cca = String.prototype.charCodeAt; |
| |
| function _parseDebugFlags(dbgstr) { |
| var bits = dbgstr ? dbgstr.split(",") : []; |
| bits.forEach(function (key) { |
| debugFlags[key] = true; |
| }); |
| $log.debug('Debug flags:', dbgstr); |
| } |
| |
| function isF(f) { |
| return typeof f === 'function' ? f : null; |
| } |
| |
| function isA(a) { |
| // NOTE: Array.isArray() is part of EMCAScript 5.1 |
| return Array.isArray(a) ? a : null; |
| } |
| |
| function isS(s) { |
| return typeof s === 'string' ? s : null; |
| } |
| |
| function isO(o) { |
| return (o && typeof o === 'object' && o.constructor === Object) ? o : null; |
| } |
| |
| function contains(a, x) { |
| return isA(a) && a.indexOf(x) > -1; |
| } |
| |
| // Returns true if all names in the array are defined as functions |
| // on the given api object; false otherwise. |
| // Also returns false if there are properties on the api that are NOT |
| // listed in the array of names. |
| function areFunctions(api, fnNames) { |
| var fnLookup = {}, |
| extraFound = false; |
| |
| if (!isA(fnNames)) { |
| return false; |
| } |
| var n = fnNames.length, |
| i, name; |
| for (i=0; i<n; i++) { |
| name = fnNames[i]; |
| if (!isF(api[name])) { |
| return false; |
| } |
| fnLookup[name] = true; |
| } |
| |
| // check for properties on the API that are not listed in the array, |
| angular.forEach(api, function (value, key) { |
| if (!fnLookup[key]) { |
| extraFound = true; |
| } |
| }); |
| return !extraFound; |
| } |
| |
| // Returns true if all names in the array are defined as functions |
| // on the given api object; false otherwise. This is a non-strict version |
| // that does not care about other properties on the api. |
| function areFunctionsNonStrict(api, fnNames) { |
| if (!isA(fnNames)) { |
| return false; |
| } |
| var n = fnNames.length, |
| i, name; |
| for (i=0; i<n; i++) { |
| name = fnNames[i]; |
| if (!isF(api[name])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| // Returns width and height of window inner dimensions. |
| // offH, offW : offset width/height are subtracted, if present |
| function windowSize(offH, offW) { |
| var oh = offH || 0, |
| ow = offW || 0; |
| return { |
| height: $window.innerHeight - oh, |
| width: $window.innerWidth - ow |
| }; |
| } |
| |
| // Returns true if current browser determined to be a mobile device |
| function isMobile() { |
| var ua = $window.navigator.userAgent, |
| patt = /iPhone|iPod|iPad|Silk|Android|BlackBerry|Opera Mini|IEMobile/; |
| return patt.test(ua); |
| } |
| |
| // Returns true if the current browser determined to be Chrome |
| function isChrome() { |
| var isChromium = $window.chrome, |
| vendorName = $window.navigator.vendor, |
| isOpera = $window.navigator.userAgent.indexOf("OPR") > -1; |
| return (isChromium !== null && |
| isChromium !== undefined && |
| vendorName === "Google Inc." && |
| isOpera == false); |
| } |
| |
| // Returns true if the current browser determined to be Safari |
| function isSafari() { |
| return ($window.navigator.userAgent.indexOf('Safari') !== -1 && |
| $window.navigator.userAgent.indexOf('Chrome') === -1); |
| } |
| |
| // Returns true if the current browser determined to be Firefox |
| function isFirefox() { |
| return typeof InstallTrigger !== 'undefined'; |
| } |
| |
| // search through an array of objects, looking for the one with the |
| // tagged property matching the given key. tag defaults to 'id'. |
| // returns the index of the matching object, or -1 for no match. |
| function find(key, array, tag) { |
| var _tag = tag || 'id', |
| idx, n, d; |
| for (idx = 0, n = array.length; idx < n; idx++) { |
| d = array[idx]; |
| if (d[_tag] === key) { |
| return idx; |
| } |
| } |
| return -1; |
| } |
| |
| // search through array to find (the first occurrence of) item, |
| // returning its index if found; otherwise returning -1. |
| function inArray(item, array) { |
| var i; |
| if (isA(array)) { |
| for (i=0; i<array.length; i++) { |
| if (array[i] === item) { |
| return i; |
| } |
| } |
| } |
| return -1; |
| } |
| |
| // remove (the first occurrence of) the specified item from the given |
| // array, if any. Return true if the removal was made; false otherwise. |
| function removeFromArray(item, array) { |
| var found = false, |
| i = inArray(item, array); |
| if (i >= 0) { |
| array.splice(i, 1); |
| found = true; |
| } |
| return found; |
| } |
| |
| // return true if the object is empty, return false otherwise |
| function isEmptyObject(obj) { |
| var key; |
| for (key in obj) { |
| return false; |
| } |
| return true; |
| } |
| |
| // returns true if the two objects have all the same properties |
| function sameObjProps(obj1, obj2) { |
| var key; |
| for (key in obj1) { |
| if (obj1.hasOwnProperty(key)) { |
| if (!(obj1[key] === obj2[key])) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| // returns true if the array contains the object |
| // does NOT use strict object reference equality, |
| // instead checks each property individually for equality |
| function containsObj(arr, obj) { |
| var i, |
| len = arr.length; |
| for (i = 0; i < len; i++) { |
| if (sameObjProps(arr[i], obj)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // return the given string with the first character capitalized. |
| function cap(s) { |
| return s ? s[0].toUpperCase() + s.slice(1).toLowerCase() : s; |
| } |
| |
| // return encoding structure for given parameters |
| function eecode(h, w) { |
| var m = 65, |
| x = 90, |
| d = x - m + 1, |
| s = x + m, |
| o = [], |
| n, i, c, e; |
| |
| for (i = 0, n = w.length; i<n; i++) { |
| c = cca.call(w, i); |
| e = s - c + h; |
| e = e > x ? e - d : e; |
| o.push(e); |
| } |
| return { |
| o: w, |
| d: o.join(''), |
| e: fcc.apply(o, o) |
| }; |
| } |
| |
| // return the parameter without a px suffix |
| function noPx(num) { |
| return Number(num.replace(/px$/, '')); |
| } |
| |
| // return an element's given style property without px suffix |
| function noPxStyle(elem, prop) { |
| return Number(elem.style(prop).replace(/px$/, '')); |
| } |
| |
| function endsWith(str, suffix) { |
| return str.indexOf(suffix, str.length - suffix.length) !== -1; |
| } |
| |
| function parseBitRate(str) { |
| return Number(str.replace(/,/, '') |
| .replace(/\s+.bps/i, '') |
| .replace(/\.\d*/, '')); |
| } |
| |
| // return true if the given debug flag was specified in the query params |
| function debugOn(tag) { |
| return debugFlags[tag]; |
| } |
| |
| // output debug message to console, if debug tag set... |
| // e.g. fs.debug('mytag', arg1, arg2, ...) |
| function debug(tag) { |
| var args; |
| if (debugOn(tag)) { |
| args = Array.prototype.slice.call(arguments, 1); |
| args.unshift('['+tag+']'); |
| $log.debug.apply(this, args); |
| } |
| } |
| |
| // trie operation |
| function _trieOp(op, trie, word, data) { |
| var p = trie, |
| w = word.toUpperCase(), |
| s = w.split(''), |
| c = { p: p, s: s }, |
| t = [], |
| x = 0, |
| f1 = op === '+' ? add : probe, |
| f2 = op === '+' ? insert : remove; |
| |
| function add(c) { |
| var q = c.s.shift(), |
| np = c.p[q]; |
| |
| if (!np) { |
| c.p[q] = {}; |
| np = c.p[q]; |
| x = 1; |
| } |
| return { p: np, s: c.s } |
| } |
| |
| function probe(c) { |
| var q = c.s.shift(), |
| k = Object.keys(c.p).length, |
| np = c.p[q]; |
| |
| t.push({ q:q, k:k, p:c.p }); |
| if (!np) { |
| t = []; |
| return { s: [] }; |
| } |
| return { p: np, s: c.s } |
| } |
| |
| function insert() { |
| c.p._data = data; |
| return x ? 'added' : 'updated'; |
| } |
| |
| function remove() { |
| if (t.length) { |
| t = t.reverse(); |
| while (t.length) { |
| c = t.shift(); |
| delete c.p[c.q]; |
| if (c.k > 1) { |
| t = []; |
| } |
| } |
| return 'removed'; |
| } |
| return 'absent'; |
| } |
| |
| while (c.s.length) { |
| c = f1(c); |
| } |
| return f2(); |
| } |
| |
| // add word to trie (word will be converted to uppercase) |
| // data associated with the word |
| // returns 'added' or 'updated' |
| function addToTrie(trie, word, data) { |
| return _trieOp('+', trie, word, data); |
| } |
| |
| // remove word from trie (word will be converted to uppercase) |
| // returns 'removed' or 'absent' |
| function removeFromTrie(trie, word) { |
| return _trieOp('-', trie, word); |
| } |
| |
| // lookup word (converted to uppercase) in trie |
| // returns: |
| // undefined if the word is not in the trie |
| // -1 for a partial match (word is a prefix to an existing word) |
| // data for the word for an exact match |
| function trieLookup(trie, word) { |
| var s = word.toUpperCase().split(''), |
| p = trie, |
| n; |
| |
| while (s.length) { |
| n = s.shift(); |
| p = p[n]; |
| if (!p) { |
| return undefined; |
| } |
| } |
| if (p._data) { |
| return p._data; |
| } |
| return -1; |
| } |
| |
| |
| var hasOwn = {}.hasOwnProperty; |
| |
| function classNames () { |
| var classes = []; |
| |
| for (var i = 0; i < arguments.length; i++) { |
| var arg = arguments[i]; |
| if (!arg) continue; |
| |
| var argType = typeof arg; |
| |
| if (argType === 'string' || argType === 'number') { |
| classes.push(arg); |
| } else if (Array.isArray(arg)) { |
| classes.push(classNames.apply(null, arg)); |
| } else if (argType === 'object') { |
| for (var key in arg) { |
| if (hasOwn.call(arg, key) && arg[key]) { |
| classes.push(key); |
| } |
| } |
| } |
| } |
| |
| return classes.join(' '); |
| } |
| |
| |
| angular.module('onosUtil') |
| .factory('FnService', |
| ['$window', '$location', '$log', function (_$window_, $loc, _$log_) { |
| $window = _$window_; |
| $log = _$log_; |
| |
| _parseDebugFlags($loc.search().debug); |
| |
| return { |
| isF: isF, |
| isA: isA, |
| isS: isS, |
| isO: isO, |
| contains: contains, |
| areFunctions: areFunctions, |
| areFunctionsNonStrict: areFunctionsNonStrict, |
| windowSize: windowSize, |
| isMobile: isMobile, |
| isChrome: isChrome, |
| isSafari: isSafari, |
| isFirefox: isFirefox, |
| debugOn: debugOn, |
| debug: debug, |
| find: find, |
| inArray: inArray, |
| removeFromArray: removeFromArray, |
| isEmptyObject: isEmptyObject, |
| sameObjProps: sameObjProps, |
| containsObj: containsObj, |
| cap: cap, |
| eecode: eecode, |
| noPx: noPx, |
| noPxStyle: noPxStyle, |
| endsWith: endsWith, |
| parseBitRate: parseBitRate, |
| addToTrie: addToTrie, |
| removeFromTrie: removeFromTrie, |
| trieLookup: trieLookup, |
| classNames: classNames |
| }; |
| }]); |
| |
| }()); |