|
13
|
1 /**
|
|
|
2 *
|
|
|
3 * Javascript sprintf
|
|
|
4 * http://www.webtoolkit.info/
|
|
|
5 *
|
|
|
6 *
|
|
|
7 **/
|
|
|
8
|
|
|
9 sprintfWrapper = {
|
|
|
10 init : function () {
|
|
|
11 if (typeof arguments == "undefined") { return null; }
|
|
|
12 if (arguments.length < 1) { return null; }
|
|
|
13 if (typeof arguments[0] != "string") { return null; }
|
|
|
14 if (typeof RegExp == "undefined") { return null; }
|
|
|
15
|
|
|
16 var string = arguments[0];
|
|
|
17 var exp = new RegExp(/(%([%]|(\-)?(\+|\x20)?(0)?(\d+)?(\.(\d)?)?([bcdfosxX])))/g);
|
|
|
18 var matches = new Array();
|
|
|
19 var strings = new Array();
|
|
|
20 var convCount = 0;
|
|
|
21 var stringPosStart = 0;
|
|
|
22 var stringPosEnd = 0;
|
|
|
23 var matchPosEnd = 0;
|
|
|
24 var newString = '';
|
|
|
25 var match = null;
|
|
|
26
|
|
|
27 while (match = exp.exec(string)) {
|
|
|
28 if (match[9]) { convCount += 1; }
|
|
|
29
|
|
|
30 stringPosStart = matchPosEnd;
|
|
|
31 stringPosEnd = exp.lastIndex - match[0].length;
|
|
|
32 strings[strings.length] = string.substring(stringPosStart, stringPosEnd);
|
|
|
33
|
|
|
34 matchPosEnd = exp.lastIndex;
|
|
|
35 matches[matches.length] = {
|
|
|
36 match: match[0],
|
|
|
37 left: match[3] ? true : false,
|
|
|
38 sign: match[4] || '',
|
|
|
39 pad: match[5] || ' ',
|
|
|
40 min: match[6] || 0,
|
|
|
41 precision: match[8],
|
|
|
42 code: match[9] || '%',
|
|
|
43 negative: parseInt(arguments[convCount]) < 0 ? true : false,
|
|
|
44 argument: String(arguments[convCount])
|
|
|
45 };
|
|
|
46 }
|
|
|
47 strings[strings.length] = string.substring(matchPosEnd);
|
|
|
48
|
|
|
49 if (matches.length == 0) { return string; }
|
|
|
50 if ((arguments.length - 1) < convCount) { return null; }
|
|
|
51
|
|
|
52 var code = null;
|
|
|
53 var match = null;
|
|
|
54 var i = null;
|
|
|
55
|
|
|
56 for (i=0; i<matches.length; i++) {
|
|
|
57
|
|
|
58 if (matches[i].code == '%') { substitution = '%' }
|
|
|
59 else if (matches[i].code == 'b') {
|
|
|
60 matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(2));
|
|
|
61 substitution = sprintfWrapper.convert(matches[i], true);
|
|
|
62 }
|
|
|
63 else if (matches[i].code == 'c') {
|
|
|
64 matches[i].argument = String(String.fromCharCode(parseInt(Math.abs(parseInt(matches[i].argument)))));
|
|
|
65 substitution = sprintfWrapper.convert(matches[i], true);
|
|
|
66 }
|
|
|
67 else if (matches[i].code == 'd') {
|
|
|
68 matches[i].argument = String(Math.abs(parseInt(matches[i].argument)));
|
|
|
69 substitution = sprintfWrapper.convert(matches[i]);
|
|
|
70 }
|
|
|
71 else if (matches[i].code == 'f') {
|
|
|
72 matches[i].argument = String(Math.abs(parseFloat(matches[i].argument)).toFixed(matches[i].precision ? matches[i].precision : 6));
|
|
|
73 substitution = sprintfWrapper.convert(matches[i]);
|
|
|
74 }
|
|
|
75 else if (matches[i].code == 'o') {
|
|
|
76 matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(8));
|
|
|
77 substitution = sprintfWrapper.convert(matches[i]);
|
|
|
78 }
|
|
|
79 else if (matches[i].code == 's') {
|
|
|
80 matches[i].argument = matches[i].argument.substring(0, matches[i].precision ? matches[i].precision : matches[i].argument.length)
|
|
|
81 substitution = sprintfWrapper.convert(matches[i], true);
|
|
|
82 }
|
|
|
83 else if (matches[i].code == 'x') {
|
|
|
84 matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(16));
|
|
|
85 substitution = sprintfWrapper.convert(matches[i]);
|
|
|
86 }
|
|
|
87 else if (matches[i].code == 'X') {
|
|
|
88 matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(16));
|
|
|
89 substitution = sprintfWrapper.convert(matches[i]).toUpperCase();
|
|
|
90 }
|
|
|
91 else {
|
|
|
92 substitution = matches[i].match;
|
|
|
93 }
|
|
|
94
|
|
|
95 newString += strings[i];
|
|
|
96 newString += substitution;
|
|
|
97
|
|
|
98 }
|
|
|
99 newString += strings[i];
|
|
|
100
|
|
|
101 return newString;
|
|
|
102
|
|
|
103 },
|
|
|
104
|
|
|
105 convert : function(match, nosign){
|
|
|
106 if (nosign) {
|
|
|
107 match.sign = '';
|
|
|
108 } else {
|
|
|
109 match.sign = match.negative ? '-' : match.sign;
|
|
|
110 }
|
|
|
111 var l = match.min - match.argument.length + 1 - match.sign.length;
|
|
|
112 var pad = new Array(l < 0 ? 0 : l).join(match.pad);
|
|
|
113 if (!match.left) {
|
|
|
114 if (match.pad == "0" || nosign) {
|
|
|
115 return match.sign + pad + match.argument;
|
|
|
116 } else {
|
|
|
117 return pad + match.sign + match.argument;
|
|
|
118 }
|
|
|
119 } else {
|
|
|
120 if (match.pad == "0" || nosign) {
|
|
|
121 return match.sign + match.argument + pad.replace(/0/g, ' ');
|
|
|
122 } else {
|
|
|
123 return match.sign + match.argument + pad;
|
|
|
124 }
|
|
|
125 }
|
|
|
126 }
|
|
|
127 }
|
|
|
128
|
|
|
129 sprintf = sprintfWrapper.init;
|
|
|
130
|
