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/* -*- 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;
}
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