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change the signature of Ox.pad to match Ox.truncate

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rolux 2012-06-04 11:08:38 +02:00
commit a5c6747b57
10 changed files with 62 additions and 29 deletions
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63
source/Ox/js/String.js
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@ -68,24 +68,51 @@ Ox.isValidEmail = function(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("abc", -6, ".")
"abc..."
> Ox.pad("foobar", -3, ".")
"foo"
> Ox.pad("abc", -6, "123456")
"abc123"
> Ox.pad("abc", 6, "123456")
"456abc"
'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 = function(string, length, padding) {
// fixme: slighly obscure signature
Ox.pad = function(string, position, length, padding) {
// fixme: weird for negative numbers
var pos = length / (length = Math.abs(length));
string = string.toString().slice(0, length);
padding = Ox.repeat(padding || '0', length - string.length);
return pos == 1
var hasPosition = Ox.isString(arguments[1]),
isNumber = Ox.isNumber(arguments[0]),
last = Ox.last(arguments);
position = hasPosition ? arguments[1] : isNumber ? 'left' : 'right';
length = hasPosition ? arguments[2] : arguments[1];
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);
};
@ -129,7 +156,7 @@ Ox.parsePath = function(string) {
filename: matches[2] || '',
extension: matches[3] ? matches[3].slice(1) : ''
};
}
};
/*@
Ox.parseSRT <f> Parses an srt subtitle file
@ -475,6 +502,10 @@ Ox.toUnderscores = function(string) {
/*@
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)