From 0cc37c71a1e6498a0681c36619b85ac69d796526 Mon Sep 17 00:00:00 2001 From: Timothy Gu Date: Tue, 14 Mar 2017 20:54:13 -0700 Subject: [PATCH] querystring: move isHexTable to internal PR-URL: https://github.com/nodejs/node/pull/12507 Reviewed-By: James M Snell --- lib/internal/querystring.js | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/lib/internal/querystring.js b/lib/internal/querystring.js index 2f8d77d3e9d2e7..c5dc0f63c7b30b 100644 --- a/lib/internal/querystring.js +++ b/lib/internal/querystring.js @@ -4,6 +4,25 @@ const hexTable = new Array(256); for (var i = 0; i < 256; ++i) hexTable[i] = '%' + ((i < 16 ? '0' : '') + i.toString(16)).toUpperCase(); +const isHexTable = [ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 15 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 16 - 31 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 32 - 47 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, // 48 - 63 + 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 64 - 79 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 - 95 + 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 96 - 111 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 112 - 127 + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 128 ... + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // ... 256 +]; + // Instantiating this is faster than explicitly calling `Object.create(null)` // to get a "clean" empty object (tested with v8 v4.9). function StorageObject() {} @@ -11,5 +30,6 @@ StorageObject.prototype = Object.create(null); module.exports = { hexTable, + isHexTable, StorageObject };