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| 1 /* | 1 /* |
| 2 * This file is part of Adblock Plus <http://adblockplus.org/>, | 2 * This file is part of Adblock Plus <http://adblockplus.org/>, |
| 3 * Copyright (C) 2006-2014 Eyeo GmbH | 3 * Copyright (C) 2006-2014 Eyeo GmbH |
| 4 * | 4 * |
| 5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
| 6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 8 * | 8 * |
| 9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 * GNU General Public License for more details. | 12 * GNU General Public License for more details. |
| 13 * | 13 * |
| 14 * You should have received a copy of the GNU General Public License | 14 * You should have received a copy of the GNU General Public License |
| 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | 15 * along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. |
| 16 */ | 16 */ |
| 17 | 17 |
| 18 "use strict"; | 18 "use strict"; |
| 19 | 19 |
| 20 let {ilog2} = require("typedObjects/utils"); | 20 let {ilog2} = require("typedObjects/utils"); |
| 21 let {createArrayType} = require("typedObjects/arrayTypes"); | 21 let {createArrayType} = require("typedObjects/arrayTypes"); |
| 22 let {createDictionaryType} = require("typedObjects/dictionaryTypes"); |
| 22 | 23 |
| 23 function createGetter(shift, offset, view) | 24 function createGetter(shift, offset, view) |
| 24 { | 25 { |
| 25 shift = shift | 0; | 26 shift = shift | 0; |
| 26 offset = offset | 0; | 27 offset = offset | 0; |
| 27 offset >>= shift; | 28 offset >>= shift; |
| 28 return function(bufferIndex, byteOffset) | 29 return function(bufferIndex, byteOffset) |
| 29 { | 30 { |
| 30 bufferIndex = bufferIndex | 0; | 31 bufferIndex = bufferIndex | 0; |
| 31 byteOffset = byteOffset | 0; | 32 byteOffset = byteOffset | 0; |
| (...skipping 21 matching lines...) Expand all Loading... |
| 53 result.byteLength = result.referenceLength = viewType.BYTES_PER_ELEMENT | 0; | 54 result.byteLength = result.referenceLength = viewType.BYTES_PER_ELEMENT | 0; |
| 54 | 55 |
| 55 let offsetShift = ilog2(result.byteLength) | 0; | 56 let offsetShift = ilog2(result.byteLength) | 0; |
| 56 result.createGetter = createGetter.bind(null, offsetShift); | 57 result.createGetter = createGetter.bind(null, offsetShift); |
| 57 result.createSetter = createSetter.bind(null, offsetShift); | 58 result.createSetter = createSetter.bind(null, offsetShift); |
| 58 // Note: this is a pretty inefficient way to zero out initial values. We | 59 // Note: this is a pretty inefficient way to zero out initial values. We |
| 59 // should consider using ArrayBuffer.fill(0) once it becomes available | 60 // should consider using ArrayBuffer.fill(0) once it becomes available |
| 60 // (https://bugzilla.mozilla.org/show_bug.cgi?id=730880). | 61 // (https://bugzilla.mozilla.org/show_bug.cgi?id=730880). |
| 61 result.initialValue = 0; | 62 result.initialValue = 0; |
| 62 result.Array = createArrayType.bind(null, result); | 63 result.Array = createArrayType.bind(null, result); |
| 64 result.Dictionary = createDictionaryType.bind(null, result); |
| 63 Object.freeze(result); | 65 Object.freeze(result); |
| 64 return result; | 66 return result; |
| 65 } | 67 } |
| 66 | 68 |
| 67 exports.uint8 = exports.boolean = new PrimitiveType(Uint8Array); | 69 exports.uint8 = exports.boolean = new PrimitiveType(Uint8Array); |
| 68 exports.uint8clamped = new PrimitiveType(Uint8ClampedArray); | 70 exports.uint8clamped = new PrimitiveType(Uint8ClampedArray); |
| 69 exports.int8 = new PrimitiveType(Int8Array); | 71 exports.int8 = new PrimitiveType(Int8Array); |
| 70 exports.uint16 = new PrimitiveType(Uint16Array); | 72 exports.uint16 = new PrimitiveType(Uint16Array); |
| 71 exports.int16 = new PrimitiveType(Int16Array); | 73 exports.int16 = new PrimitiveType(Int16Array); |
| 72 exports.uint32 = new PrimitiveType(Uint32Array); | 74 exports.uint32 = new PrimitiveType(Uint32Array); |
| 73 exports.int32 = new PrimitiveType(Int32Array); | 75 exports.int32 = new PrimitiveType(Int32Array); |
| 74 exports.float32 = new PrimitiveType(Float32Array); | 76 exports.float32 = new PrimitiveType(Float32Array); |
| 75 exports.float64 = new PrimitiveType(Float64Array); | 77 exports.float64 = new PrimitiveType(Float64Array); |
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