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134 lines
3.5 KiB
JavaScript
134 lines
3.5 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* pschwartau@netscape.com
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK *****
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*
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* Date: 07 February 2001
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*
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* Functionality common to Array testing -
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*/
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//-------------------------------------------------------------------------------------------------
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var CHAR_LBRACKET = '[';
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var CHAR_RBRACKET = ']';
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var CHAR_QT_DBL = '"';
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var CHAR_QT = "'";
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var CHAR_NL = '\n';
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var CHAR_COMMA = ',';
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var CHAR_SPACE = ' ';
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var TYPE_STRING = typeof 'abc';
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/*
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* If available, arr.toSource() gives more detail than arr.toString()
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*
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* var arr = Array(1,2,'3');
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*
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* arr.toSource()
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* [1, 2, "3"]
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*
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* arr.toString()
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* 1,2,3
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*
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* But toSource() doesn't exist in Rhino, so use our own imitation, below -
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*
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*/
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function formatArray(arr)
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{
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try
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{
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return arr.toSource();
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}
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catch(e)
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{
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return toSource(arr);
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}
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}
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/*
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* Imitate SpiderMonkey's arr.toSource() method:
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*
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* a) Double-quote each array element that is of string type
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* b) Represent |undefined| and |null| by empty strings
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* c) Delimit elements by a comma + single space
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* d) Do not add delimiter at the end UNLESS the last element is |undefined|
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* e) Add square brackets to the beginning and end of the string
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*/
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function toSource(arr)
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{
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var delim = CHAR_COMMA + CHAR_SPACE;
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var elt = '';
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var ret = '';
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var len = arr.length;
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for (i=0; i<len; i++)
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{
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elt = arr[i];
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switch(true)
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{
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case (typeof elt === TYPE_STRING) :
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ret += doubleQuote(elt);
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break;
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case (elt === undefined || elt === null) :
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break; // add nothing but the delimiter, below -
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default:
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ret += elt.toString();
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}
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if ((i < len-1) || (elt === undefined))
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ret += delim;
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}
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return CHAR_LBRACKET + ret + CHAR_RBRACKET;
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}
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function doubleQuote(text)
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{
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return CHAR_QT_DBL + text + CHAR_QT_DBL;
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}
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function singleQuote(text)
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{
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return CHAR_QT + text + CHAR_QT;
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}
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