diff options
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | lib/js_checker/js_checker.js | 41 | ||||
| -rw-r--r-- | test/test-js_checker.js | 12 |
3 files changed, 54 insertions, 1 deletions
@@ -1,5 +1,7 @@ 2015-04-02 Nik Nyby <nikolas@gnu.org> * Remove the draggable complain banner functionality. + * Add JsChecker.isFreeLicensed method from Ruben Rodriguez. We're + hoping this will lead to improved speed and memory usage in LibreJS. 2015-01-17 Nik Nyby <nikolas@gnu.org> * Include the Eclipse Public License in license definitions. diff --git a/lib/js_checker/js_checker.js b/lib/js_checker/js_checker.js index 3b03084..21bfeaf 100644 --- a/lib/js_checker/js_checker.js +++ b/lib/js_checker/js_checker.js @@ -3,6 +3,7 @@ * * * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros * Copyright (C) 2014, 2015 Nik Nyby + * Copyright (C) 2015 Ruben Rodriguez * * This file is part of GNU LibreJS. * @@ -115,6 +116,46 @@ var JsChecker = function() { }; /** + * isFreeLicensed + * + * This function returns true if the input script is licensed under + * a free license. Otherwise, it returns false. + */ +JsChecker.prototype.isFreeLicensed = function(script) { + var magnets = '(' + + 'magnet:\\?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt|' + + 'magnet:\\?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt|' + + 'magnet:\\?xt=urn:btih:1f739d935676111cfff4b4693e3816e664797050&dn=gpl-3.0.txt|' + + 'magnet:\\?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7&dn=apache-2.0.txt|' + + 'magnet:\\?xt=urn:btih:5de60da917303dbfad4f93fb1b985ced5a89eac2&dn=lgpl-2.1.txt|' + + 'magnet:\\?xt=urn:btih:0ef1b8170b3b615170ff270def6427c317705f85&dn=lgpl-3.0.txt|' + + 'magnet:\\?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt|' + + 'magnet:\\?xt=urn:btih:c80d50af7d3db9be66a4d0a86db0286e4fd33292&dn=bsd-3-clause.txt|' + + 'magnet:\\?xt=urn:btih:3877d6d54b3accd4bc32f8a48bf32ebc0901502a&dn=mpl-2.0.txt|' + + 'magnet:\\?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&dn=expat.txt|' + + 'magnet:\\?xt=urn:btih:5305d91886084f776adcf57509a648432709a7c7&dn=x11.txt|' + + 'magnet:\\?xt=urn:btih:12f2ec9e8de2a3b0002a33d518d6010cc8ab2ae9&dn=xfree86.txt|' + + 'magnet:\\?xt=urn:btih:87f119ba0b429ba17a44b4bffcab33165ebdacc0&dn=freebsd.txt|' + + 'magnet:\\?xt=urn:btih:b8999bbaf509c08d127678643c515b9ab0836bae&dn=ISC.txt|' + + 'magnet:\\?xt=urn:btih:54fd2283f9dbdf29466d2df1a98bf8f65cafe314&dn=artistic-2.0.txt|' + + 'magnet:\\?xt=urn:btih:e95b018ef3580986a04669f1b5879592219e2a7a&dn=public-domain.txt' + + ')'; + + // Remove licensed parts + var re = new RegExp( + '@license +' + magnets + '.*([\n\r].*?)*@license-end', 'g'); + script = script.replace(re, ''); + + // Remove comments and empty lines + re = new RegExp('\/\/.*|/\\*.*?\\*/|^\s*[\n\r]*', 'gm'); + + script = script.replace(re, ""); + + // If only spaces remain, the file has a free license + return (script.match(/\S/) === null); +}; + +/** * searchJs * * Takes in some javascript code (as string). diff --git a/test/test-js_checker.js b/test/test-js_checker.js index 9c25014..61a3a15 100644 --- a/test/test-js_checker.js +++ b/test/test-js_checker.js @@ -106,7 +106,8 @@ exports.testLambdaError = function(assert, done) { }; exports.testContinueKeyword = function(assert, done) { - var jsString = "for (var i = 0; i < len; i++) {\n if (test) { continue; } }"; + var jsString = 'for (var i = 0; i < len; i++) {' + + 'if (test) { continue; } }'; var checker = init(); checker.searchJs(jsString, @@ -118,4 +119,13 @@ exports.testContinueKeyword = function(assert, done) { }); }; +exports.testIsNotFreeLicensed = function(assert, done) { + var jsString = 'for (var i = 0; i < len; i++) {' + + 'if (test) { continue; } }'; + var checker = init(); + + assert.ok(checker.isFreeLicensed(jsString) === false) + done(); +}; + require('sdk/test').run(exports); |