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money_format.js
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money_format.js
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function money_format (format, number) {
// http://kevin.vanzonneveld.net
// + original by: Brett Zamir (http://brett-zamir.me)
// + input by: daniel airton wermann (http://wermann.com.br)
// + bugfixed by: Brett Zamir (http://brett-zamir.me)
// - depends on: setlocale
// % note 1: This depends on setlocale having the appropriate locale (these examples use 'en_US')
// * example 1: money_format('%i', 1234.56);
// * returns 1: 'USD 1,234.56'
// * example 2: money_format('%14#8.2n', 1234.5678);
// * returns 2: ' $ 1,234.57'
// * example 3: money_format('%14#8.2n', -1234.5678);
// * returns 3: '-$ 1,234.57'
// * example 4: money_format('%(14#8.2n', 1234.5678);
// * returns 4: ' $ 1,234.57 '
// * example 5: money_format('%(14#8.2n', -1234.5678);
// * returns 5: '($ 1,234.57)'
// * example 6: money_format('%=014#8.2n', 1234.5678);
// * returns 6: ' $000001,234.57'
// * example 7: money_format('%=014#8.2n', -1234.5678);
// * returns 7: '-$000001,234.57'
// * example 8: money_format('%=*14#8.2n', 1234.5678);
// * returns 8: ' $*****1,234.57'
// * example 9: money_format('%=*14#8.2n', -1234.5678);
// * returns 9: '-$*****1,234.57'
// * example 10: money_format('%=*^14#8.2n', 1234.5678);
// * returns 10: ' $****1234.57'
// * example 11: money_format('%=*^14#8.2n', -1234.5678);
// * returns 11: ' -$****1234.57'
// * example 12: money_format('%=*!14#8.2n', 1234.5678);
// * returns 12: ' *****1,234.57'
// * example 13: money_format('%=*!14#8.2n', -1234.5678);
// * returns 13: '-*****1,234.57'
// * example 14: money_format('%i', 3590);
// * returns 14: ' USD 3,590.00'
// Per PHP behavior, there seems to be no extra padding for sign when there is a positive number, though my
// understanding of the description is that there should be padding; need to revisit examples
// Helpful info at http://ftp.gnu.org/pub/pub/old-gnu/Manuals/glibc-2.2.3/html_chapter/libc_7.html and http://publib.boulder.ibm.com/infocenter/zos/v1r10/index.jsp?topic=/com.ibm.zos.r10.bpxbd00/strfmp.htm
if (typeof number !== 'number') {
return null;
}
var regex = /%((=.|[+^(!-])*?)(\d*?)(#(\d+))?(\.(\d+))?([in%])/g; // 1: flags, 3: width, 5: left, 7: right, 8: conversion
this.setlocale('LC_ALL', 0); // Ensure the locale data we need is set up
var monetary = this.php_js.locales[this.php_js.localeCategories['LC_MONETARY']]['LC_MONETARY'];
var doReplace = function (n0, flags, n2, width, n4, left, n6, right, conversion) {
var value = '',
repl = '';
if (conversion === '%') { // Percent does not seem to be allowed with intervening content
return '%';
}
var fill = flags && (/=./).test(flags) ? flags.match(/=(.)/)[1] : ' '; // flag: =f (numeric fill)
var showCurrSymbol = !flags || flags.indexOf('!') === -1; // flag: ! (suppress currency symbol)
width = parseInt(width, 10) || 0; // field width: w (minimum field width)
var neg = number < 0;
number = number + ''; // Convert to string
number = neg ? number.slice(1) : number; // We don't want negative symbol represented here yet
var decpos = number.indexOf('.');
var integer = decpos !== -1 ? number.slice(0, decpos) : number; // Get integer portion
var fraction = decpos !== -1 ? number.slice(decpos + 1) : ''; // Get decimal portion
var _str_splice = function (integerStr, idx, thous_sep) {
var integerArr = integerStr.split('');
integerArr.splice(idx, 0, thous_sep);
return integerArr.join('');
};
var init_lgth = integer.length;
left = parseInt(left, 10);
var filler = init_lgth < left;
if (filler) {
var fillnum = left - init_lgth;
integer = new Array(fillnum + 1).join(fill) + integer;
}
if (flags.indexOf('^') === -1) { // flag: ^ (disable grouping characters (of locale))
// use grouping characters
var thous_sep = monetary.mon_thousands_sep; // ','
var mon_grouping = monetary.mon_grouping; // [3] (every 3 digits in U.S.A. locale)
if (mon_grouping[0] < integer.length) {
for (var i = 0, idx = integer.length; i < mon_grouping.length; i++) {
idx -= mon_grouping[i]; // e.g., 3
if (idx <= 0) {
break;
}
if (filler && idx < fillnum) {
thous_sep = fill;
}
integer = _str_splice(integer, idx, thous_sep);
}
}
if (mon_grouping[i - 1] > 0) { // Repeating last grouping (may only be one) until highest portion of integer reached
while (idx > mon_grouping[i - 1]) {
idx -= mon_grouping[i - 1];
if (filler && idx < fillnum) {
thous_sep = fill;
}
integer = _str_splice(integer, idx, thous_sep);
}
}
}
// left, right
if (right === '0') { // No decimal or fractional digits
value = integer;
} else {
var dec_pt = monetary.mon_decimal_point; // '.'
if (right === '' || right === undefined) {
right = conversion === 'i' ? monetary.int_frac_digits : monetary.frac_digits;
}
right = parseInt(right, 10);
if (right === 0) { // Only remove fractional portion if explicitly set to zero digits
fraction = '';
dec_pt = '';
} else if (right < fraction.length) {
fraction = Math.round(parseFloat(fraction.slice(0, right) + '.' + fraction.substr(right, 1), 10)) + '';
} else if (right > fraction.length) {
fraction += new Array(right - fraction.length + 1).join('0'); // pad with 0's
}
value = integer + dec_pt + fraction;
}
var symbol = '';
if (showCurrSymbol) {
symbol = conversion === 'i' ? monetary.int_curr_symbol : monetary.currency_symbol; // 'i' vs. 'n' ('USD' vs. '$')
}
var sign_posn = neg ? monetary.n_sign_posn : monetary.p_sign_posn;
// 0: no space between curr. symbol and value
// 1: space sep. them unless symb. and sign are adjacent then space sep. them from value
// 2: space sep. sign and value unless symb. and sign are adjacent then space separates
var sep_by_space = neg ? monetary.n_sep_by_space : monetary.p_sep_by_space;
// p_cs_precedes, n_cs_precedes // positive currency symbol follows value = 0; precedes value = 1
var cs_precedes = neg ? monetary.n_cs_precedes : monetary.p_cs_precedes;
// Assemble symbol/value/sign and possible space as appropriate
if (flags.indexOf('(') !== -1) { // flag: parenth. for negative
// Fix: unclear on whether and how sep_by_space, sign_posn, or cs_precedes have
// an impact here (as they do below), but assuming for now behaves as sign_posn 0 as
// far as localized sep_by_space and sign_posn behavior
repl = (cs_precedes ? symbol + (sep_by_space === 1 ? ' ' : '') : '') + value + (!cs_precedes ? (sep_by_space === 1 ? ' ' : '') + symbol : '');
if (neg) {
repl = '(' + repl + ')';
} else {
repl = ' ' + repl + ' ';
}
} else { // '+' is default
var pos_sign = monetary.positive_sign; // ''
var neg_sign = monetary.negative_sign; // '-'
var sign = neg ? (neg_sign) : (pos_sign);
var otherSign = neg ? (pos_sign) : (neg_sign);
var signPadding = '';
if (sign_posn) { // has a sign
signPadding = new Array(otherSign.length - sign.length + 1).join(' ');
}
var valueAndCS = '';
switch (sign_posn) {
// 0: parentheses surround value and curr. symbol;
// 1: sign precedes them;
// 2: sign follows them;
// 3: sign immed. precedes curr. symbol; (but may be space between)
// 4: sign immed. succeeds curr. symbol; (but may be space between)
case 0:
valueAndCS = cs_precedes ? symbol + (sep_by_space === 1 ? ' ' : '') + value : value + (sep_by_space === 1 ? ' ' : '') + symbol;
repl = '(' + valueAndCS + ')';
break;
case 1:
valueAndCS = cs_precedes ? symbol + (sep_by_space === 1 ? ' ' : '') + value : value + (sep_by_space === 1 ? ' ' : '') + symbol;
repl = signPadding + sign + (sep_by_space === 2 ? ' ' : '') + valueAndCS;
break;
case 2:
valueAndCS = cs_precedes ? symbol + (sep_by_space === 1 ? ' ' : '') + value : value + (sep_by_space === 1 ? ' ' : '') + symbol;
repl = valueAndCS + (sep_by_space === 2 ? ' ' : '') + sign + signPadding;
break;
case 3:
repl = cs_precedes ? signPadding + sign + (sep_by_space === 2 ? ' ' : '') + symbol + (sep_by_space === 1 ? ' ' : '') + value : value + (sep_by_space === 1 ? ' ' : '') + sign + signPadding + (sep_by_space === 2 ? ' ' : '') + symbol;
break;
case 4:
repl = cs_precedes ? symbol + (sep_by_space === 2 ? ' ' : '') + signPadding + sign + (sep_by_space === 1 ? ' ' : '') + value : value + (sep_by_space === 1 ? ' ' : '') + symbol + (sep_by_space === 2 ? ' ' : '') + sign + signPadding;
break;
}
}
var padding = width - repl.length;
if (padding > 0) {
padding = new Array(padding + 1).join(' ');
// Fix: How does p_sep_by_space affect the count if there is a space? Included in count presumably?
if (flags.indexOf('-') !== -1) { // left-justified (pad to right)
repl += padding;
} else { // right-justified (pad to left)
repl = padding + repl;
}
}
return repl;
};
return format.replace(regex, doReplace);
}