| /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| /* |
| * Date: 07 February 2001 |
| * |
| * Functionality common to Array testing - |
| */ |
| //----------------------------------------------------------------------------- |
| |
| |
| var CHAR_LBRACKET = '['; |
| var CHAR_RBRACKET = ']'; |
| var CHAR_QT_DBL = '"'; |
| var CHAR_QT = "'"; |
| var CHAR_NL = '\n'; |
| var CHAR_COMMA = ','; |
| var CHAR_SPACE = ' '; |
| var TYPE_STRING = typeof 'abc'; |
| |
| |
| /* |
| * If available, arr.toSource() gives more detail than arr.toString() |
| * |
| * var arr = Array(1,2,'3'); |
| * |
| * arr.toSource() |
| * [1, 2, "3"] |
| * |
| * arr.toString() |
| * 1,2,3 |
| * |
| * But toSource() doesn't exist in Rhino, so use our own imitation, below - |
| * |
| */ |
| function formatArray(arr) |
| { |
| try |
| { |
| return arr.toSource(); |
| } |
| catch(e) |
| { |
| return toSource(arr); |
| } |
| } |
| |
| |
| |
| /* |
| * Imitate SpiderMonkey's arr.toSource() method: |
| * |
| * a) Double-quote each array element that is of string type |
| * b) Represent |undefined| and |null| by empty strings |
| * c) Delimit elements by a comma + single space |
| * d) Do not add delimiter at the end UNLESS the last element is |undefined| |
| * e) Add square brackets to the beginning and end of the string |
| */ |
| function toSource(arr) |
| { |
| var delim = CHAR_COMMA + CHAR_SPACE; |
| var elt = ''; |
| var ret = ''; |
| var len = arr.length; |
| |
| for (i=0; i<len; i++) |
| { |
| elt = arr[i]; |
| |
| switch(true) |
| { |
| case (typeof elt === TYPE_STRING) : |
| ret += doubleQuote(elt); |
| break; |
| |
| case (elt === undefined || elt === null) : |
| break; // add nothing but the delimiter, below - |
| |
| default: |
| ret += elt.toString(); |
| } |
| |
| if ((i < len-1) || (elt === undefined)) |
| ret += delim; |
| } |
| |
| return CHAR_LBRACKET + ret + CHAR_RBRACKET; |
| } |
| |
| |
| function doubleQuote(text) |
| { |
| return CHAR_QT_DBL + text + CHAR_QT_DBL; |
| } |
| |
| |
| function singleQuote(text) |
| { |
| return CHAR_QT + text + CHAR_QT; |
| } |
| |