https://www.albankaldawli.org/etc/designs/wbrrdesign/components/tableexport/jspdf/libs/sprintf.js

1
2
3function sprintf( ) {
4    // Return a formatted string  
5    // 
6    // version: 903.3016
7    // discuss at: http://phpjs.org/functions/sprintf
8    // +   original by: Ash Searle (http://hexmen.com/blog/)
9    // + namespaced by: Michael White (http://getsprink.com)
10    // +    tweaked by: Jack
11    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
12    // +      input by: Paulo Ricardo F. Santos
13    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
14    // +      input by: Brett Zamir (http://brettz9.blogspot.com)
15    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
16    // *     example 1: sprintf("%01.2f", 123.1);
17    // *     returns 1: 123.10
18    // *     example 2: sprintf("[%10s]", 'monkey');
19    // *     returns 2: '[    monkey]'
20    // *     example 3: sprintf("[%'#10s]", 'monkey');
21    // *     returns 3: '[####monkey]'
22    var regex = /%%|%(\d+\$)?([-+\'#0 ]*)(\*\d+\$|\*|\d+)?(\.(\*\d+\$|\*|\d+))?([scboxXuidfegEG])/g;
23    var a = arguments, i = 0, format = a[i++];
24
25    // pad()
26    var pad = function(str, len, chr, leftJustify) {
27        if (!chr) chr = ' ';
28        var padding = (str.length >= len) ? '' : Array(1 + len - str.length >>> 0).join(chr);
29        return leftJustify ? str + padding : padding + str;
30    };
31
32    // justify()
33    var justify = function(value, prefix, leftJustify, minWidth, zeroPad, customPadChar) {
34        var diff = minWidth - value.length;
35        if (diff > 0) {
36            if (leftJustify || !zeroPad) {
37                value = pad(value, minWidth, customPadChar, leftJustify);
38            } else {
39                value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
40            }
41        }
42        return value;
43    };
44
45    // formatBaseX()
46    var formatBaseX = function(value, base, prefix, leftJustify, minWidth, precision, zeroPad) {
47        // Note: casts negative numbers to positive ones
48        var number = value >>> 0;
49        prefix = prefix && number && {'2': '0b', '8': '0', '16': '0x'}[base] || '';
50        value = prefix + pad(number.toString(base), precision || 0, '0', false);
51        return justify(value, prefix, leftJustify, minWidth, zeroPad);
52    };
53
54    // formatString()
55    var formatString = function(value, leftJustify, minWidth, precision, zeroPad, customPadChar) {
56        if (precision != null) {
57            value = value.slice(0, precision);
58        }
59        return justify(value, '', leftJustify, minWidth, zeroPad, customPadChar);
60    };
61
62    // doFormat()
63    var doFormat = function(substring, valueIndex, flags, minWidth, _, precision, type) {
64        var number;
65        var prefix;
66        var method;
67        var textTransform;
68        var value;
69
70        if (substring == '%%') return '%';
71
72        // parse flags
73        var leftJustify = false, positivePrefix = '', zeroPad = false, prefixBaseX = false, customPadChar = ' ';
74        var flagsl = flags.length;
75        for (var j = 0; flags && j < flagsl; j++) switch (flags.charAt(j)) {
76            case ' ': positivePrefix = ' '; break;
77            case '+': positivePrefix = '+'; break;
78            case '-': leftJustify = true; break;
79            case "'": customPadChar = flags.charAt(j+1); break;
80            case '0': zeroPad = true; break;
81            case '#': prefixBaseX = true; break;
82        }
83
84        // parameters may be null, undefined, empty-string or real valued
85        // we want to ignore null, undefined and empty-string values
86        if (!minWidth) {
87            minWidth = 0;
88        } else if (minWidth == '*') {
89            minWidth = +a[i++];
90        } else if (minWidth.charAt(0) == '*') {
91            minWidth = +a[minWidth.slice(1, -1)];
92        } else {
93            minWidth = +minWidth;
94        }
95
96        // Note: undocumented perl feature:
97        if (minWidth < 0) {
98            minWidth = -minWidth;
99            leftJustify = true;
100        }
101
102        if (!isFinite(minWidth)) {
103            throw new Error('sprintf: (minimum-)width must be finite');
104        }
105
106        if (!precision) {
107            precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type == 'd') ? 0 : void(0);
108        } else if (precision == '*') {
109            precision = +a[i++];
110        } else if (precision.charAt(0) == '*') {
111            precision = +a[precision.slice(1, -1)];
112        } else {
113            precision = +precision;
114        }
115
116        // grab value using valueIndex if required?
117        value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];
118
119        switch (type) {
120            case 's': return formatString(String(value), leftJustify, minWidth, precision, zeroPad, customPadChar);
121            case 'c': return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad);
122            case 'b': return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
123            case 'o': return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
124            case 'x': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
125            case 'X': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad).toUpperCase();
126            case 'u': return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
127            case 'i':
128            case 'd': {
129                number = parseInt(+value);
130                prefix = number < 0 ? '-' : positivePrefix;
131                value = prefix + pad(String(Math.abs(number)), precision, '0', false);
132                return justify(value, prefix, leftJustify, minWidth, zeroPad);
133            }
134            case 'e':
135            case 'E':
136            case 'f':
137            case 'F':
138            case 'g':
139            case 'G': {
140                number = +value;
141                prefix = number < 0 ? '-' : positivePrefix;
142                method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
143                textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
144                value = prefix + Math.abs(number)[method](precision);
145                return justify(value, prefix, leftJustify, minWidth, zeroPad)[textTransform]();
146            }
147            default: return substring;
148        }
149    };
150
151    return format.replace(regex, doFormat);
152}