'use strict';
/*@
Ox.char <f> Alias for String.fromCharCode
@*/
Ox.char = String.fromCharCode;
/*@
Ox.clean <f> Remove leading, trailing and double whitespace from a string
> Ox.clean('foo bar')
'foo bar'
> Ox.clean(' foo bar ')
'foo bar'
> Ox.clean(' foo \n bar ')
'foo\nbar'
> Ox.clean(' \nfoo\n\nbar\n ')
'foo\nbar'
> Ox.clean(' foo\tbar ')
'foo bar'
@*/
Ox.clean = function(string) {
return Ox.filter(Ox.map(string.split('\n'), function(string) {
return string.replace(/\s+/g, ' ').trim() || '';
})).join('\n');
};
/*@
Ox.codePointAt <f> Returns the code point at a given index
(string, index) -> <n> Code point
> Ox.codePointAt('\uD83D\uDCA9', 0)
0x1F4A9
@*/
Ox.codePointAt = function(string, index) {
var first, length = string.length, ret, second;
if (index >= 0 && index < length) {
first = string.charCodeAt(index);
if (first < 0xD800 || first > 0xDBFF || index == length - 1) {
ret = first;
} else {
second = string.charCodeAt(index + 1);
ret = second < 0xDC00 || second > 0xDFFF ? first
: ((first - 0xD800) * 0x400) + (second - 0xDC00) + 0x10000;
}
}
return ret;
};
/*@
Ox.endsWith <f> Tests if a string ends with a given substring
Equivalent to (but faster than)
`new RegExp(Ox.escapeRegExp(substring) + '$').test(string)`.
(string, substring) -> <b> True if string ends with substring
> Ox.endsWith('foobar', 'bar')
true
> Ox.endsWith('foobar', 'foo')
false
@*/
Ox.endsWith = function(string, substring) {
string = string.toString();
substring = substring.toString();
return string.slice(string.length - substring.length) == substring;
};
/*@
Ox.fromCodePoint <f> Returns a string for one or more given code points
(codePoint[, codePoint[, ...]]) -> <s> String
> Ox.fromCodePoint(102, 111, 111)
'foo'
> Ox.fromCodePoint(0x1F4A9)
'\uD83D\uDCA9'
@*/
Ox.fromCodePoint = function() {
var ret = '';
Ox.forEach(arguments, function(number) {
if (number < 0 || number > 0x10FFFF || !Ox.isInt(number)) {
throw new RangeError();
}
if (number < 0x10000) {
ret += String.fromCharCode(number);
} else {
number -= 0x10000;
ret += String.fromCharCode((number >> 10) + 0xD800)
+ String.fromCharCode((number % 0x400) + 0xDC00);
}
});
return ret;
};
/*@
Ox.isValidEmail <f> Tests if a string is a valid e-mail address
(str) -> <b> True if the string is a valid e-mail address
str <s> Any string
> Ox.isValidEmail('foo@bar.com')
true
> Ox.isValidEmail('foo.bar@foobar.co.uk')
true
> Ox.isValidEmail('foo@bar')
false
> Ox.isValidEmail('foo@bar..com')
false
@*/
Ox.isValidEmail = function(string) {
return !!/^[0-9A-Z\.\+\-_]+@(?:[0-9A-Z\-]+\.)+[A-Z]{2,6}$/i.test(string);
};
/*@
Ox.pad <f> Pad a string to a given length
(string[, position], length[, padding]) -> <s> Padded string
string <s> String
position <s|'right'> Position ('left' or 'right')
When passing a number as `string`, the default position is 'left'.
length <n> Length
padding <s|' '> Padding
When passing a number as `string`, and leaving out or passing 'left' as
`position`, the default padding is '0'.
> Ox.pad('foo', 6)
'foo '
> Ox.pad('foo', 'left', 6)
' foo'
> Ox.pad('foo', 6, '.')
'foo...'
> Ox.pad('foo', 'left', 6, '.')
'...foo'
> Ox.pad(1, 2)
'01'
> Ox.pad(1, 2, ' ')
' 1'
> Ox.pad(1, 'right', 2)
'1 '
> Ox.pad(1, 'right', 2, '_')
'1_'
> Ox.pad('foo', 6, '123456')
'foo123'
> Ox.pad('foo', 'left', 6, '123456')
'456foo'
> Ox.pad('foobar', 3)
'foo'
> Ox.pad('foobar', 'left', 3)
'bar'
> Ox.pad('foo', -1)
''
@*/
Ox.pad = function(string, position, length, padding) {
var hasPosition = Ox.isString(arguments[1]),
isNumber = Ox.isNumber(arguments[0]),
last = Ox.last(arguments);
position = hasPosition ? arguments[1] : isNumber ? 'left' : 'right';
length = Math.max(hasPosition ? arguments[2] : arguments[1], 0);
padding = Ox.isString(last) ? last
: isNumber && position == 'left' ? '0' : ' ';
string = string.toString();
padding = Ox.repeat(padding, length - string.length);
return position == 'left'
? (padding + string).slice(-length)
: (string + padding).slice(0, length);
};
/*@
Ox.parseDuration <f> Takes a formatted duration, returns seconds
> Ox.parseDuration('1:02:03:04.05')
93784.05
> Ox.parseDuration('3')
3
> Ox.parseDuration('2:')
120
> Ox.parseDuration('1::')
3600
@*/
Ox.parseDuration = function(string) {
return string.split(':').reverse().slice(0, 4).reduce(function(p, c, i) {
return p + (parseFloat(c) || 0) * (i == 3 ? 86400 : Math.pow(60, i));
}, 0);
};
/*@
Ox.parsePath <f> Returns the components of a path
(str) -> <o> Path
extension <s> File extension
filename <s> Filename
pathname <s> Pathname
> Ox.parsePath('/foo/bar/foo.bar')
{extension: 'bar', filename: 'foo.bar', pathname: '/foo/bar/'}
> Ox.parsePath('foo/')
{extension: '', filename: '', pathname: 'foo/'}
> Ox.parsePath('foo')
{extension: '', filename: 'foo', pathname: ''}
> Ox.parsePath('.foo')
{extension: '', filename: '.foo', pathname: ''}
@*/
Ox.parsePath = function(string) {
var matches = /^(.+\/)?(.+?(\..+)?)?$/.exec(string);
return {
pathname: matches[1] || '',
filename: matches[2] || '',
extension: matches[3] ? matches[3].slice(1) : ''
};
};
/*@
Ox.parseSRT <f> Parses an srt subtitle file
(str) -> <o> Parsed subtitles
in <n> In point (sec)
out <n> Out point (sec)
text <s> Text
str <s> Contents of an srt subtitle file
> Ox.parseSRT('1\n01:02:00,000 --> 01:02:03,400\nHello World')
[{'in': 3720, out: 3723.4, text: 'Hello World'}]
@*/
Ox.parseSRT = function(string, fps) {
return string.replace(/\r\n/g, '\n').replace(/\n+$/, '').split('\n\n')
.map(function(block) {
var lines = block.split('\n'), points;
lines.shift();
points = lines.shift().split(' --> ').map(function(point) {
return point.replace(',', ':').split(':')
.reduce(function(previous, current, index) {
return previous + parseInt(current, 10) *
[3600, 60, 1, 0.001][index];
}, 0);
});
if (fps) {
points = points.map(function(point) {
return Math.round(point * fps) / fps;
});
}
return {
'in': points[0],
out: points[1],
text: lines.join('\n')
};
});
};
/*@
Ox.parseURL <f> Takes a URL, returns its components
(url) -> <o> URL components
hash <s> Hash
host <s> Host
hostname <s> Hostname
origin <s> Origin
pathname <s> Pathname
port <s> Port
protocol <s> Protocol
search <s> Search
url <s> URL
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').hash
'#c'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').host
'www.foo.com:8080'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').hostname
'www.foo.com'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').origin
'http://www.foo.com:8080'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').pathname
'/bar/index.html'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').port
'8080'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').protocol
'http:'
> Ox.parseURL('http://www.foo.com:8080/bar/index.html?a=0&b=1#c').search
'?a=0&b=1'
@*/
Ox.parseURL = (function() {
var a = document.createElement('a'),
keys = ['hash', 'host', 'hostname', 'origin',
'pathname', 'port', 'protocol', 'search'];
return function(string) {
var ret = {};
a.href = string;
keys.forEach(function(key) {
ret[key] = a[key];
});
return ret;
};
}());
// FIXME: can we get rid of this?
Ox.parseUserAgent = function(userAgent) {
var aliases = {
browser: {
'Firefox': /(Fennec|Firebird|Iceweasel|Minefield|Namoroka|Phoenix|SeaMonkey|Shiretoko)/
},
system: {
'BSD': /(FreeBSD|NetBSD|OpenBSD)/,
'Linux': /(CrOS|MeeGo|webOS)/,
'Unix': /(AIX|HP-UX|IRIX|SunOS)/
}
},
names = {
browser: {
'chromeframe': 'Chrome Frame',
'MSIE': 'Internet Explorer'
},
system: {
'CPU OS': 'iOS',
'iPhone OS': 'iOS',
'Macintosh': 'Mac OS X'
}
},
regexps = {
browser: [
/(Camino)\/(\d+)/,
/(chromeframe)\/(\d+)/,
/(Chrome)\/(\d+)/,
/(Epiphany)\/(\d+)/,
/(Firefox)\/(\d+)/,
/(Galeon)\/(\d+)/,
/(Googlebot)\/(\d+)/,
/(Konqueror)\/(\d+)/,
/(MSIE) (\d+)/,
/(Netscape)\d?\/(\d+)/,
/(NokiaBrowser)\/(\d+)/,
/(Opera) (\d+)/,
/(Opera)\/.+Version\/(\d+)/,
/Version\/(\d+).+(Safari)/
],
system: [
/(Android) (\d+)/,
/(BeOS)/,
/(BlackBerry) (\d+)/,
/(Darwin)/,
/(BSD) (FreeBSD|NetBSD|OpenBSD)/,
/(CPU OS) (\d+)/,
/(iPhone OS) (\d+)/,
/(Linux).+(CentOS|CrOS|Debian|Fedora|Gentoo|Mandriva|MeeGo|Mint|Red Hat|SUSE|Ubuntu|webOS)/,
/(CentOS|CrOS|Debian|Fedora|Gentoo|Mandriva|MeeGo|Mint|Red Hat|SUSE|Ubuntu|webOS).+(Linux)/,
/(Linux)/,
/(Mac OS X) (10.\d)/,
/(Mac OS X)/,
/(Macintosh)/,
/(SymbianOS)\/(\d+)/,
/(SymbOS)/,
/(OS\/2)/,
/(Unix) (AIX|HP-UX|IRIX|SunOS)/,
/(Unix)/,
/(Windows) (NT \d\.\d)/,
/(Windows) (95|98|2000|2003|ME|NT|XP)/, // Opera
/(Windows).+(Win 9x 4\.90)/, // Firefox
/(Windows).+(Win9\d)/, // Firefox
/(Windows).+(WinNT4.0)/ // Firefox
]
},
versions = {
browser: {},
system: {
'10.0': '10.0 (Cheetah)',
'10.1': '10.1 (Puma)',
'10.2': '10.2 (Jaguar)',
'10.3': '10.3 (Panther)',
'10.4': '10.4 (Tiger)',
'10.5': '10.5 (Leopard)',
'10.6': '10.6 (Snow Leopard)',
'10.7': '10.7 (Lion)',
'10.8': '10.8 (Mountain Lion)',
'CrOS': 'Chrome OS',
'NT 4.0': 'NT 4.0 (Windows NT)',
'NT 4.1': 'NT 4.1 (Windows 98)',
'Win 9x 4.90': 'NT 4.9 (Windows ME)',
'NT 5.0': 'NT 5.0 (Windows 2000)',
'NT 5.1': 'NT 5.1 (Windows XP)',
'NT 5.2': 'NT 5.2 (Windows 2003)',
'NT 6.0': 'NT 6.0 (Windows Vista)',
'NT 6.1': 'NT 6.1 (Windows 7)',
'NT 6.2': 'NT 6.2 (Windows 8)',
'95': 'NT 4.0 (Windows 95)',
'NT': 'NT 4.0 (Windows NT)',
'98': 'NT 4.1 (Windows 98)',
'ME': 'NT 4.9 (Windows ME)',
'2000': 'NT 5.0 (Windows 2000)',
'2003': 'NT 5.2 (Windows 2003)',
'XP': 'NT 5.1 (Windows XP)',
'Win95': 'NT 4.0 (Windows 95)',
'WinNT4.0': 'NT 4.0 (Windows NT)',
'Win98': 'NT 4.1 (Windows 98)'
}
},
userAgentData = {};
Ox.forEach(regexps, function(regexps, key) {
userAgentData[key] = {name: '', string: '', version: ''};
Ox.forEach(aliases[key], function(regexp, alias) {
userAgent = userAgent.replace(
regexp, key == 'browser' ? alias : alias + ' $1'
);
});
Ox.forEach(regexps, function(regexp) {
var matches = userAgent.match(regexp),
name, string, swap, version;
if (matches) {
matches[2] = matches[2] || '';
swap = matches[1].match(/^\d/) || matches[2] == 'Linux';
name = matches[swap ? 2 : 1];
version = matches[swap ? 1 : 2].replace('_', '.');
name = names[key][name] || name,
version = versions[key][version] || version;
string = name;
if (version) {
string += ' ' + (
['BSD', 'Linux', 'Unix'].indexOf(name) > -1
? '(' + version + ')'
: version
)
}
userAgentData[key] = {
name: names[name] || name,
string: string,
version: versions[version] || version
};
return false; // break
}
});
});
return userAgentData;
};
/*@
Ox.repeat <f> Repeat a value multiple times
Works for arrays, numbers and strings
> Ox.repeat(1, 3)
'111'
> Ox.repeat('foo', 3)
'foofoofoo'
> Ox.repeat([1, 2], 3)
[1, 2, 1, 2, 1, 2]
> Ox.repeat([{k: 'v'}], 3)
[{k: 'v'}, {k: 'v'}, {k: 'v'}]
@*/
// FIXME: see https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js
// for a faster version
Ox.repeat = function(value, times) {
var ret;
if (Ox.isArray(value)) {
ret = [];
Ox.loop(times, function() {
ret = ret.concat(value);
});
} else {
ret = times >= 1 ? new Array(times + 1).join(value.toString()) : '';
}
return ret;
};
/*@
Ox.splice <f> `[].splice` for strings, returns a new string
> Ox.splice('12xxxxx89', 2, 5, 3, 4, 5, 6, 7)
'123456789'
@*/
Ox.splice = function(string, index, remove) {
var array = string.split('');
Array.prototype.splice.apply(array, Ox.slice(arguments, 1));
return array.join('');
};
/*@
Ox.startsWith <f> Tests if a string ends with a given substring
Equivalent to (but faster than)
`new RegExp('^' + Ox.escapeRegExp(substring)).test(string)`.
(string, substring) -> <b> True if string starts with substring
> Ox.startsWith('foobar', 'foo')
true
> Ox.startsWith('foobar', 'bar')
false
@*/
Ox.startsWith = function(string, substring) {
string = string.toString();
substring = substring.toString();
return string.slice(0, substring.length) == substring;
};
/*@
Ox.toCamelCase <f> Takes a string with '-', '/' or '_', returns a camelCase string
> Ox.toCamelCase('foo-bar-baz')
'fooBarBaz'
> Ox.toCamelCase('foo/bar/baz')
'fooBarBaz'
> Ox.toCamelCase('foo_bar_baz')
'fooBarBaz'
@*/
Ox.toCamelCase = function(string) {
return string.replace(/[\-\/_][a-z]/g, function(string) {
return string[1].toUpperCase();
});
};
/*@
Ox.toDashes <f> Takes a camelCase string, returns a string with dashes
> Ox.toDashes('fooBarBaz')
'foo-bar-baz'
@*/
Ox.toDashes = function(string) {
return string.replace(/[A-Z]/g, function(string) {
return '-' + string.toLowerCase();
});
};
/*@
Ox.toSlashes <f> Takes a camelCase string, returns a string with slashes
> Ox.toSlashes('fooBarBaz')
'foo/bar/baz'
@*/
Ox.toSlashes = function(string) {
return string.replace(/[A-Z]/g, function(string) {
return '/' + string.toLowerCase();
});
};
/*@
Ox.toTitleCase <f> Returns a string with capitalized words
> Ox.toTitleCase('foo')
'Foo'
> Ox.toTitleCase('Apple releases iPhone, IBM stock plummets')
'Apple Releases iPhone, IBM Stock Plummets'
@*/
Ox.toTitleCase = function(string) {
return string.split(' ').map(function(value) {
var substring = value.slice(1),
lowercase = substring.toLowerCase();
if (substring == lowercase) {
value = value.slice(0, 1).toUpperCase() + lowercase;
}
return value;
}).join(' ');
};
/*@
Ox.toUnderscores <f> Takes a camelCase string, returns string with underscores
> Ox.toUnderscores('fooBarBaz')
'foo_bar_baz'
@*/
Ox.toUnderscores = function(string) {
return string.replace(/[A-Z]/g, function(string) {
return '_' + string.toLowerCase();
});
};
/*@
Ox.truncate <f> Truncate a string to a given length
(string[, position], length[, padding]) -> Truncated string
string <s> String
position <s|'right'> Position ('left', 'center' or 'right')
length <n> Length
padding <s|'…'> Padding
> Ox.truncate('anticonstitutionellement', 16)
'anticonstitutio…'
> Ox.truncate('anticonstitutionellement', 'left', 16)
'…itutionellement'
> Ox.truncate('anticonstitutionellement', 16, '...')
'anticonstitut...'
> Ox.truncate('anticonstitutionellement', 'center', 16, '...')
'anticon...lement'
@*/
Ox.truncate = function(string, position, length, padding) {
var hasPosition = Ox.isString(arguments[1]), last = Ox.last(arguments);
position = hasPosition ? arguments[1] : 'right';
length = hasPosition ? arguments[2] : arguments[1];
padding = Ox.isString(last) ? last : '…';
if (string.length > length) {
if (position == 'left') {
string = padding
+ string.slice(padding.length + string.length - length);
} else if (position == 'center') {
string = string.slice(0, Math.ceil((length - padding.length) / 2))
+ padding
+ string.slice(-Math.floor((length - padding.length) / 2));
} else if (position == 'right') {
string = string.slice(0, length - padding.length) + padding;
}
}
return string;
};
/*@
Ox.words <f> Splits a string into words, removing punctuation
(string) -> <[s]> Array of words
string <s> Any string
> Ox.words('Let\'s "split" array-likes into key/value pairs--okay?')
['let\'s', 'split', 'array-likes', 'into', 'key', 'value', 'pairs', 'okay']
@*/
Ox.words = function(string) {
var array = string.toLowerCase().split(/\b/),
length = array.length,
startsWithWord = /\w/.test(array[0]);
array.forEach(function(v, i) {
// find single occurrences of "-" or "'" that are not at the beginning
// or end of the string, and join the surrounding words with them
if (
i > 0 && i < length - 1 && (v == '-' || v == '\'')
) {
array[i + 1] = array[i - 1] + array[i] + array[i + 1];
array[i - 1] = array[i] = '';
}
});
// remove elements that have been emptied above
array = array.filter(function(v) {
return v.length;
});
// return words, not spaces or punctuation
return array.filter(function(v, i) {
return i % 2 == !startsWithWord;
});
}
/*@
Ox.wordwrap <f> Wrap a string at word boundaries
(string, length) -> <s> Wrapped string
(string, length, newline) -> <s> Wrapped string
(string, length, balanced) -> <s> Wrapped string
(string, length, balanced, newline) -> <s> Wrapped string
(string, length, newline, balanced) -> <s> Wrapped string
string <s> String
length <n|80> Line length
balanced <b|false> If true, lines will have similar length
newline <s|'\n'> Newline character or string
> Ox.wordwrap('Anticonstitutionellement, Paris s\'eveille', 25)
'Anticonstitutionellement, \nParis s\'eveille'
> Ox.wordwrap('Anticonstitutionellement, Paris s\'eveille', 25, '<br>')
'Anticonstitutionellement, <br>Paris s\'eveille'
> Ox.wordwrap('Anticonstitutionellement, Paris s\'eveille', 16, '<br>')
'Anticonstitution<br>ellement, Paris <br>s\'eveille'
> Ox.wordwrap('These are short words', 16)
'These are short \nwords'
> Ox.wordwrap('These are short words', 16, true)
'These are \nshort words'
@*/
Ox.wordwrap = function(string, length) {
var balanced, lines, max, newline, words;
string = String(string);
length = length || 80;
balanced = Ox.isBoolean(arguments[2]) ? arguments[2]
: Ox.isBoolean(arguments[3]) ? arguments[3]
: false;
newline = Ox.isString(arguments[2]) ? arguments[2]
: Ox.isString(arguments[3]) ? arguments[3]
: '\n';
words = string.split(' ');
if (balanced) {
// balanced lines: test if same number of lines
// can be achieved with a shorter line length
lines = Ox.wordwrap(string, length, newline).split(newline);
if (lines.length > 1) {
// test shorter line, unless
// that means cutting a word
max = Ox.max(words.map(function(word) {
return word.length;
}));
while (length > max) {
if (Ox.wordwrap(
string, --length, newline
).split(newline).length > lines.length) {
length++;
break;
}
}
}
}
lines = [''];
words.forEach(function(word) {
var index;
if ((lines[lines.length - 1] + word).length <= length) {
// word fits in current line
lines[lines.length - 1] += word + ' ';
} else {
if (word.length <= length) {
// word fits in next line
lines.push(word + ' ');
} else {
// word is longer than line
index = length - lines[lines.length - 1].length;
lines[lines.length - 1] += word.slice(0, index);
while (index < word.length) {
lines.push(word.substr(index, length));
index += length;
}
lines[lines.length - 1] += ' ';
}
}
});
return lines.join(newline).trim();
};