File: /var/www/zaklada/html/node_modules/underscore.string/lib/underscore.string.js
// Underscore.string
// (c) 2010 Esa-Matti Suuronen <esa-matti aet suuronen dot org>
// Underscore.strings is freely distributable under the terms of the MIT license.
// Documentation: https://github.com/epeli/underscore.string
// Some code is borrowed from MooTools and Alexandru Marasteanu.
// Version 2.0.0
(function(root){
'use strict';
// Defining helper functions.
var nativeTrim = String.prototype.trim;
var parseNumber = function(source) { return source * 1 || 0; };
var strRepeat = function(i, m) {
for (var o = []; m > 0; o[--m] = i) {}
return o.join('');
};
var slice = function(a){
return Array.prototype.slice.call(a);
};
var defaultToWhiteSpace = function(characters){
if (characters) {
return _s.escapeRegExp(characters);
}
return '\\s';
};
var sArgs = function(method){
return function(){
var args = slice(arguments);
for(var i=0; i<args.length; i++)
args[i] = args[i] == null ? '' : '' + args[i];
return method.apply(null, args);
};
};
// sprintf() for JavaScript 0.7-beta1
// http://www.diveintojavascript.com/projects/javascript-sprintf
//
// Copyright (c) Alexandru Marasteanu <alexaholic [at) gmail (dot] com>
// All rights reserved.
var sprintf = (function() {
function get_type(variable) {
return Object.prototype.toString.call(variable).slice(8, -1).toLowerCase();
}
var str_repeat = strRepeat;
var str_format = function() {
if (!str_format.cache.hasOwnProperty(arguments[0])) {
str_format.cache[arguments[0]] = str_format.parse(arguments[0]);
}
return str_format.format.call(null, str_format.cache[arguments[0]], arguments);
};
str_format.format = function(parse_tree, argv) {
var cursor = 1, tree_length = parse_tree.length, node_type = '', arg, output = [], i, k, match, pad, pad_character, pad_length;
for (i = 0; i < tree_length; i++) {
node_type = get_type(parse_tree[i]);
if (node_type === 'string') {
output.push(parse_tree[i]);
}
else if (node_type === 'array') {
match = parse_tree[i]; // convenience purposes only
if (match[2]) { // keyword argument
arg = argv[cursor];
for (k = 0; k < match[2].length; k++) {
if (!arg.hasOwnProperty(match[2][k])) {
throw(sprintf('[_.sprintf] property "%s" does not exist', match[2][k]));
}
arg = arg[match[2][k]];
}
} else if (match[1]) { // positional argument (explicit)
arg = argv[match[1]];
}
else { // positional argument (implicit)
arg = argv[cursor++];
}
if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {
throw(sprintf('[_.sprintf] expecting number but found %s', get_type(arg)));
}
switch (match[8]) {
case 'b': arg = arg.toString(2); break;
case 'c': arg = String.fromCharCode(arg); break;
case 'd': arg = parseInt(arg, 10); break;
case 'e': arg = match[7] ? arg.toExponential(match[7]) : arg.toExponential(); break;
case 'f': arg = match[7] ? parseFloat(arg).toFixed(match[7]) : parseFloat(arg); break;
case 'o': arg = arg.toString(8); break;
case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break;
case 'u': arg = Math.abs(arg); break;
case 'x': arg = arg.toString(16); break;
case 'X': arg = arg.toString(16).toUpperCase(); break;
}
arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg);
pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' ';
pad_length = match[6] - String(arg).length;
pad = match[6] ? str_repeat(pad_character, pad_length) : '';
output.push(match[5] ? arg + pad : pad + arg);
}
}
return output.join('');
};
str_format.cache = {};
str_format.parse = function(fmt) {
var _fmt = fmt, match = [], parse_tree = [], arg_names = 0;
while (_fmt) {
if ((match = /^[^\x25]+/.exec(_fmt)) !== null) {
parse_tree.push(match[0]);
}
else if ((match = /^\x25{2}/.exec(_fmt)) !== null) {
parse_tree.push('%');
}
else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) {
if (match[2]) {
arg_names |= 1;
var field_list = [], replacement_field = match[2], field_match = [];
if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
field_list.push(field_match[1]);
while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {
if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {
field_list.push(field_match[1]);
}
else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) {
field_list.push(field_match[1]);
}
else {
throw('[_.sprintf] huh?');
}
}
}
else {
throw('[_.sprintf] huh?');
}
match[2] = field_list;
}
else {
arg_names |= 2;
}
if (arg_names === 3) {
throw('[_.sprintf] mixing positional and named placeholders is not (yet) supported');
}
parse_tree.push(match);
}
else {
throw('[_.sprintf] huh?');
}
_fmt = _fmt.substring(match[0].length);
}
return parse_tree;
};
return str_format;
})();
// Defining underscore.string
var _s = {
VERSION: '2.0.0',
isBlank: sArgs(function(str){
return (/^\s*$/).test(str);
}),
stripTags: sArgs(function(str){
return str.replace(/<\/?[^>]+>/ig, '');
}),
capitalize : sArgs(function(str) {
return str.charAt(0).toUpperCase() + str.substring(1).toLowerCase();
}),
chop: sArgs(function(str, step){
step = parseNumber(step) || str.length;
var arr = [];
for (var i = 0; i < str.length;) {
arr.push(str.slice(i,i + step));
i = i + step;
}
return arr;
}),
clean: sArgs(function(str){
return _s.strip(str.replace(/\s+/g, ' '));
}),
count: sArgs(function(str, substr){
var count = 0, index;
for (var i=0; i < str.length;) {
index = str.indexOf(substr, i);
index >= 0 && count++;
i = i + (index >= 0 ? index : 0) + substr.length;
}
return count;
}),
chars: sArgs(function(str) {
return str.split('');
}),
escapeHTML: sArgs(function(str) {
return str.replace(/&/g,'&').replace(/</g,'<').replace(/>/g,'>')
.replace(/"/g, '"').replace(/'/g, "'");
}),
unescapeHTML: sArgs(function(str) {
return str.replace(/</g, '<').replace(/>/g, '>')
.replace(/"/g, '"').replace(/'/g, "'").replace(/&/g, '&');
}),
escapeRegExp: sArgs(function(str){
// From MooTools core 1.2.4
return str.replace(/([-.*+?^${}()|[\]\/\\])/g, '\\$1');
}),
insert: sArgs(function(str, i, substr){
var arr = str.split('');
arr.splice(parseNumber(i), 0, substr);
return arr.join('');
}),
include: sArgs(function(str, needle){
return str.indexOf(needle) !== -1;
}),
join: sArgs(function(sep) {
var args = slice(arguments);
return args.join(args.shift());
}),
lines: sArgs(function(str) {
return str.split("\n");
}),
reverse: sArgs(function(str){
return Array.prototype.reverse.apply(String(str).split('')).join('');
}),
splice: sArgs(function(str, i, howmany, substr){
var arr = str.split('');
arr.splice(parseNumber(i), parseNumber(howmany), substr);
return arr.join('');
}),
startsWith: sArgs(function(str, starts){
return str.length >= starts.length && str.substring(0, starts.length) === starts;
}),
endsWith: sArgs(function(str, ends){
return str.length >= ends.length && str.substring(str.length - ends.length) === ends;
}),
succ: sArgs(function(str){
var arr = str.split('');
arr.splice(str.length-1, 1, String.fromCharCode(str.charCodeAt(str.length-1) + 1));
return arr.join('');
}),
titleize: sArgs(function(str){
var arr = str.split(' '),
word;
for (var i=0; i < arr.length; i++) {
word = arr[i].split('');
if(typeof word[0] !== 'undefined') word[0] = word[0].toUpperCase();
i+1 === arr.length ? arr[i] = word.join('') : arr[i] = word.join('') + ' ';
}
return arr.join('');
}),
camelize: sArgs(function(str){
return _s.trim(str).replace(/(\-|_|\s)+(.)?/g, function(match, separator, chr) {
return chr ? chr.toUpperCase() : '';
});
}),
underscored: function(str){
return _s.trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1_$2').replace(/\-|\s+/g, '_').toLowerCase();
},
dasherize: function(str){
return _s.trim(str).replace(/([a-z\d])([A-Z]+)/g, '$1-$2').replace(/^([A-Z]+)/, '-$1').replace(/\_|\s+/g, '-').toLowerCase();
},
humanize: function(str){
return _s.capitalize(this.underscored(str).replace(/_id$/,'').replace(/_/g, ' '));
},
trim: sArgs(function(str, characters){
if (!characters && nativeTrim) {
return nativeTrim.call(str);
}
characters = defaultToWhiteSpace(characters);
return str.replace(new RegExp('\^[' + characters + ']+|[' + characters + ']+$', 'g'), '');
}),
ltrim: sArgs(function(str, characters){
characters = defaultToWhiteSpace(characters);
return str.replace(new RegExp('\^[' + characters + ']+', 'g'), '');
}),
rtrim: sArgs(function(str, characters){
characters = defaultToWhiteSpace(characters);
return str.replace(new RegExp('[' + characters + ']+$', 'g'), '');
}),
truncate: sArgs(function(str, length, truncateStr){
truncateStr = truncateStr || '...';
length = parseNumber(length);
return str.length > length ? str.slice(0,length) + truncateStr : str;
}),
/**
* _s.prune: a more elegant version of truncate
* prune extra chars, never leaving a half-chopped word.
* @author github.com/sergiokas
*/
prune: sArgs(function(str, length, pruneStr){
// Function to check word/digit chars including non-ASCII encodings.
var isWordChar = function(c) { return ((c.toUpperCase() != c.toLowerCase()) || /[-_\d]/.test(c)); }
var template = '';
var pruned = '';
var i = 0;
// Set default values
pruneStr = pruneStr || '...';
length = parseNumber(length);
// Convert to an ASCII string to avoid problems with unicode chars.
for (i in str) {
template += (isWordChar(str[i]))?'A':' ';
}
// Check if we're in the middle of a word
if( template.substring(length-1, length+1).search(/^\w\w$/) === 0 )
pruned = _s.rtrim(template.slice(0,length).replace(/([\W][\w]*)$/,''));
else
pruned = _s.rtrim(template.slice(0,length));
pruned = pruned.replace(/\W+$/,'');
return (pruned.length+pruneStr.length>str.length) ? str : str.substring(0, pruned.length)+pruneStr;
}),
words: function(str, delimiter) {
return String(str).split(delimiter || " ");
},
pad: sArgs(function(str, length, padStr, type) {
var padding = '',
padlen = 0;
length = parseNumber(length);
if (!padStr) { padStr = ' '; }
else if (padStr.length > 1) { padStr = padStr.charAt(0); }
switch(type) {
case 'right':
padlen = (length - str.length);
padding = strRepeat(padStr, padlen);
str = str+padding;
break;
case 'both':
padlen = (length - str.length);
padding = {
'left' : strRepeat(padStr, Math.ceil(padlen/2)),
'right': strRepeat(padStr, Math.floor(padlen/2))
};
str = padding.left+str+padding.right;
break;
default: // 'left'
padlen = (length - str.length);
padding = strRepeat(padStr, padlen);;
str = padding+str;
}
return str;
}),
lpad: function(str, length, padStr) {
return _s.pad(str, length, padStr);
},
rpad: function(str, length, padStr) {
return _s.pad(str, length, padStr, 'right');
},
lrpad: function(str, length, padStr) {
return _s.pad(str, length, padStr, 'both');
},
sprintf: sprintf,
vsprintf: function(fmt, argv){
argv.unshift(fmt);
return sprintf.apply(null, argv);
},
toNumber: function(str, decimals) {
var num = parseNumber(parseNumber(str).toFixed(parseNumber(decimals)));
return (!(num === 0 && (str !== "0" && str !== 0))) ? num : Number.NaN;
},
strRight: sArgs(function(sourceStr, sep){
var pos = (!sep) ? -1 : sourceStr.indexOf(sep);
return (pos != -1) ? sourceStr.slice(pos+sep.length, sourceStr.length) : sourceStr;
}),
strRightBack: sArgs(function(sourceStr, sep){
var pos = (!sep) ? -1 : sourceStr.lastIndexOf(sep);
return (pos != -1) ? sourceStr.slice(pos+sep.length, sourceStr.length) : sourceStr;
}),
strLeft: sArgs(function(sourceStr, sep){
var pos = (!sep) ? -1 : sourceStr.indexOf(sep);
return (pos != -1) ? sourceStr.slice(0, pos) : sourceStr;
}),
strLeftBack: sArgs(function(sourceStr, sep){
var pos = sourceStr.lastIndexOf(sep);
return (pos != -1) ? sourceStr.slice(0, pos) : sourceStr;
}),
exports: function() {
var result = {};
for (var prop in this) {
if (!this.hasOwnProperty(prop) || prop == 'include' || prop == 'contains' || prop == 'reverse') continue;
result[prop] = this[prop];
}
return result;
}
};
// Aliases
_s.strip = _s.trim;
_s.lstrip = _s.ltrim;
_s.rstrip = _s.rtrim;
_s.center = _s.lrpad;
_s.ljust = _s.lpad;
_s.rjust = _s.rpad;
_s.contains = _s.include;
// CommonJS module is defined
if (typeof exports !== 'undefined') {
if (typeof module !== 'undefined' && module.exports) {
// Export module
module.exports = _s;
}
exports._s = _s;
// Integrate with Underscore.js
} else if (typeof root._ !== 'undefined') {
// root._.mixin(_s);
root._.string = _s;
root._.str = root._.string;
// Or define it
} else {
root._ = {
string: _s,
str: _s
};
}
}(this || window));