The Tor Browser / file comparison
comparison: dom/activities/src/ActivitiesServiceFilter.jsm
dom/activities/src/ActivitiesServiceFilter.jsm
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:26ec146852c6 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 "use strict" | |
| 6 | |
| 7 this.EXPORTED_SYMBOLS = ['ActivitiesServiceFilter']; | |
| 8 | |
| 9 this.ActivitiesServiceFilter = { | |
| 10 match: function(aValues, aFilters) { | |
| 11 | |
| 12 function matchValue(aValue, aFilter, aFilterObj) { | |
| 13 if (aFilter !== null) { | |
| 14 // Custom functions for the different types. | |
| 15 switch (typeof(aFilter)) { | |
| 16 case 'boolean': | |
| 17 return aValue === aFilter; | |
| 18 | |
| 19 case 'number': | |
| 20 return Number(aValue) === aFilter; | |
| 21 | |
| 22 case 'string': | |
| 23 return String(aValue) === aFilter; | |
| 24 | |
| 25 default: // not supported | |
| 26 return false; | |
| 27 } | |
| 28 } | |
| 29 | |
| 30 // Pattern. | |
| 31 if (('pattern' in aFilterObj)) { | |
| 32 var pattern = String(aFilterObj.pattern); | |
| 33 | |
| 34 var patternFlags = ''; | |
| 35 if (('patternFlags' in aFilterObj)) { | |
| 36 patternFlags = String(aFilterObj.patternFlags); | |
| 37 } | |
| 38 | |
| 39 var re = new RegExp('^(?:' + pattern + ')$', patternFlags); | |
| 40 return re.test(aValue); | |
| 41 } | |
| 42 | |
| 43 // Validation of the min/Max. | |
| 44 if (('min' in aFilterObj) || ('max' in aFilterObj)) { | |
| 45 // Min value. | |
| 46 if (('min' in aFilterObj) && | |
| 47 aFilterObj.min > aValue) { | |
| 48 return false; | |
| 49 } | |
| 50 | |
| 51 // Max value. | |
| 52 if (('max' in aFilterObj) && | |
| 53 aFilterObj.max < aValue) { | |
| 54 return false; | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 return true; | |
| 59 } | |
| 60 | |
| 61 // this function returns true if the value matches with the filter object | |
| 62 function matchObject(aValue, aFilterObj) { | |
| 63 | |
| 64 // Let's consider anything an array. | |
| 65 let filters = ('value' in aFilterObj) | |
| 66 ? (Array.isArray(aFilterObj.value) | |
| 67 ? aFilterObj.value | |
| 68 : [aFilterObj.value]) | |
| 69 : [ null ]; | |
| 70 let values = Array.isArray(aValue) ? aValue : [aValue]; | |
| 71 | |
| 72 for (var filterId = 0; filterId < filters.length; ++filterId) { | |
| 73 for (var valueId = 0; valueId < values.length; ++valueId) { | |
| 74 if (matchValue(values[valueId], filters[filterId], aFilterObj)) { | |
| 75 return true; | |
| 76 } | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 return false; | |
| 81 } | |
| 82 | |
| 83 // Creation of a filter map useful to know what has been | |
| 84 // matched and what is not. | |
| 85 let filtersMap = {} | |
| 86 for (let filter in aFilters) { | |
| 87 // Convert this filter in an object if needed | |
| 88 let filterObj = aFilters[filter]; | |
| 89 | |
| 90 if (Array.isArray(filterObj) || typeof(filterObj) !== 'object') { | |
| 91 filterObj = { | |
| 92 required: false, | |
| 93 value: filterObj | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 filtersMap[filter] = { filter: filterObj, | |
| 98 found: false }; | |
| 99 } | |
| 100 | |
| 101 // For any incoming property. | |
| 102 for (let prop in aValues) { | |
| 103 // If this is unknown for the app, let's continue. | |
| 104 if (!(prop in filtersMap)) { | |
| 105 continue; | |
| 106 } | |
| 107 | |
| 108 if (Array.isArray(aValues[prop]) && aValues[prop].length == 0) { | |
| 109 continue; | |
| 110 } | |
| 111 | |
| 112 // Otherwise, let's check the value against the filter. | |
| 113 if (!matchObject(aValues[prop], filtersMap[prop].filter)) { | |
| 114 return false; | |
| 115 } | |
| 116 | |
| 117 filtersMap[prop].found = true; | |
| 118 } | |
| 119 | |
| 120 // Required filters: | |
| 121 for (let filter in filtersMap) { | |
| 122 if (filtersMap[filter].filter.required && !filtersMap[filter].found) { | |
| 123 return false; | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 return true; | |
| 128 } | |
| 129 } |
