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s2member / includes / jquery / jquery.sprintf / jquery.sprintf.js

jquery.sprintf.js in s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions 110912, at includes/jquery/jquery.sprintf/jquery.sprintf.js

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1	/**
2	* jQuery extension for PHP-equiv sprintf().
3	*
4	* This is the development version of the code.
5	* Which ultimately produces `jquery.sprintf-min.js`.
6	*
7	* Based on: {@link http://phpjs.org/functions/sprintf:522} see: {@link http://phpjs.org/pages/license}
8	* Modified to work via: `$.sprintf()` using jQuery.
9	*
10	* Distributed with WordPress® themes/plugins by WebSharks, Inc.
11	*
12	* Copyright: © 2009-2011
13	* {@link http://www.websharks-inc.com/ WebSharks, Inc.}
14	* ( coded in the USA )
15	*
16	* Released under the terms of the GNU General Public License.
17	* You should have received a copy of the GNU General Public License,
18	* along with this software. In the main directory, see: /licensing/
19	* If not, see: {@link http://www.gnu.org/licenses/}.
20	*
21	* @package WebSharks\jQuery\Extensions
22	* @since x.xx
23	*/
24	(function($)
25	{
26	if (typeof $.sprintf !== 'function')
27	{
28	$.sprintf = function () {
29	// http://kevin.vanzonneveld.net
30	// + original by: Ash Searle (http://hexmen.com/blog/)
31	// + namespaced by: Michael White (http://getsprink.com)
32	// + tweaked by: Jack
33	// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
34	// + input by: Paulo Freitas
35	// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
36	// + input by: Brett Zamir (http://brett-zamir.me)
37	// + improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
38	// * example 1: sprintf("%01.2f", 123.1);
39	// * returns 1: 123.10
40	// * example 2: sprintf("[%10s]", 'monkey');
41	// * returns 2: '[ monkey]'
42	// * example 3: sprintf("[%'#10s]", 'monkey');
43	// * returns 3: '[####monkey]'
44	var regex = /%%\|%(\d+\$)?([-+\'#0 ])(\\d+\$\|\\|\d+)?(\.(\\d+\$\|\*\|\d+))?([scboxXuidfegEG])/g;
45	var a = arguments,
46	i = 0,
47	format = a[i++];
48
49	// pad()
50	var pad = function (str, len, chr, leftJustify) {
51	if (!chr) {
52	chr = ' ';
53	}
54	var padding = (str.length >= len) ? '' : Array(1 + len - str.length >>> 0).join(chr);
55	return leftJustify ? str + padding : padding + str;
56	};
57
58	// justify()
59	var justify = function (value, prefix, leftJustify, minWidth, zeroPad, customPadChar) {
60	var diff = minWidth - value.length;
61	if (diff > 0) {
62	if (leftJustify \|\| !zeroPad) {
63	value = pad(value, minWidth, customPadChar, leftJustify);
64	} else {
65	value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
66	}
67	}
68	return value;
69	};
70
71	// formatBaseX()
72	var formatBaseX = function (value, base, prefix, leftJustify, minWidth, precision, zeroPad) {
73	// Note: casts negative numbers to positive ones
74	var number = value >>> 0;
75	prefix = prefix && number && {
76	'2': '0b',
77	'8': '0',
78	'16': '0x'
79	}[base] \|\| '';
80	value = prefix + pad(number.toString(base), precision \|\| 0, '0', false);
81	return justify(value, prefix, leftJustify, minWidth, zeroPad);
82	};
83
84	// formatString()
85	var formatString = function (value, leftJustify, minWidth, precision, zeroPad, customPadChar) {
86	if (precision != null) {
87	value = value.slice(0, precision);
88	}
89	return justify(value, '', leftJustify, minWidth, zeroPad, customPadChar);
90	};
91
92	// doFormat()
93	var doFormat = function (substring, valueIndex, flags, minWidth, _, precision, type) {
94	var number;
95	var prefix;
96	var method;
97	var textTransform;
98	var value;
99
100	if (substring == '%%') {
101	return '%';
102	}
103
104	// parse flags
105	var leftJustify = false,
106	positivePrefix = '',
107	zeroPad = false,
108	prefixBaseX = false,
109	customPadChar = ' ';
110	var flagsl = flags.length;
111	for (var j = 0; flags && j < flagsl; j++) {
112	switch (flags.charAt(j)) {
113	case ' ':
114	positivePrefix = ' ';
115	break;
116	case '+':
117	positivePrefix = '+';
118	break;
119	case '-':
120	leftJustify = true;
121	break;
122	case "'":
123	customPadChar = flags.charAt(j + 1);
124	break;
125	case '0':
126	zeroPad = true;
127	break;
128	case '#':
129	prefixBaseX = true;
130	break;
131	}
132	}
133
134	// parameters may be null, undefined, empty-string or real valued
135	// we want to ignore null, undefined and empty-string values
136	if (!minWidth) {
137	minWidth = 0;
138	} else if (minWidth == '*') {
139	minWidth = +a[i++];
140	} else if (minWidth.charAt(0) == '*') {
141	minWidth = +a[minWidth.slice(1, -1)];
142	} else {
143	minWidth = +minWidth;
144	}
145
146	// Note: undocumented perl feature:
147	if (minWidth < 0) {
148	minWidth = -minWidth;
149	leftJustify = true;
150	}
151
152	if (!isFinite(minWidth)) {
153	throw new Error('sprintf: (minimum-)width must be finite');
154	}
155
156	if (!precision) {
157	precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type == 'd') ? 0 : undefined;
158	} else if (precision == '*') {
159	precision = +a[i++];
160	} else if (precision.charAt(0) == '*') {
161	precision = +a[precision.slice(1, -1)];
162	} else {
163	precision = +precision;
164	}
165
166	// grab value using valueIndex if required?
167	value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];
168
169	switch (type) {
170	case 's':
171	return formatString(String(value), leftJustify, minWidth, precision, zeroPad, customPadChar);
172	case 'c':
173	return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad);
174	case 'b':
175	return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
176	case 'o':
177	return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
178	case 'x':
179	return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
180	case 'X':
181	return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad).toUpperCase();
182	case 'u':
183	return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
184	case 'i':
185	case 'd':
186	number = (+value) \| 0;
187	prefix = number < 0 ? '-' : positivePrefix;
188	value = prefix + pad(String(Math.abs(number)), precision, '0', false);
189	return justify(value, prefix, leftJustify, minWidth, zeroPad);
190	case 'e':
191	case 'E':
192	case 'f':
193	case 'F':
194	case 'g':
195	case 'G':
196	number = +value;
197	prefix = number < 0 ? '-' : positivePrefix;
198	method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
199	textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
200	value = prefix + Math.abs(number)[method](precision);
201	return justify(value, prefix, leftJustify, minWidth, zeroPad)[textTransform]();
202	default:
203	return substring;
204	}
205	};
206
207	return format.replace(regex, doFormat);
208	};
209	}
210	})(jQuery);