isso/docs/_static/css/bourbon/helpers/_linear-positions-parser.scss
2013-11-25 16:57:18 +01:00

62 lines
1.9 KiB
SCSS

@function _linear-positions-parser($pos) {
$type: type-of(nth($pos, 1));
$spec: null;
$degree: null;
$side: null;
$corner: null;
$length: length($pos);
// Parse Side and corner positions
@if ($length > 1) {
@if nth($pos, 1) == "to" { // Newer syntax
$side: nth($pos, 2);
@if $length == 2 { // eg. to top
// Swap for backwards compatability
$degree: _position-flipper(nth($pos, 2));
}
@else if $length == 3 { // eg. to top left
$corner: nth($pos, 3);
}
}
@else if $length == 2 { // Older syntax ("top left")
$side: _position-flipper(nth($pos, 1));
$corner: _position-flipper(nth($pos, 2));
}
@if ("#{$side} #{$corner}" == "left top") or ("#{$side} #{$corner}" == "top left") {
$degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
}
@else if ("#{$side} #{$corner}" == "right top") or ("#{$side} #{$corner}" == "top right") {
$degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
}
@else if ("#{$side} #{$corner}" == "right bottom") or ("#{$side} #{$corner}" == "bottom right") {
$degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
}
@else if ("#{$side} #{$corner}" == "left bottom") or ("#{$side} #{$corner}" == "bottom left") {
$degree: _position-flipper(#{$side}) _position-flipper(#{$corner});
}
$spec: to $side $corner;
}
@else if $length == 1 {
// Swap for backwards compatability
@if $type == string {
$degree: $pos;
$spec: to _position-flipper($pos);
}
@else {
$degree: -270 - $pos; //rotate the gradient opposite from spec
$spec: $pos;
}
}
$degree: unquote($degree + ",");
$spec: unquote($spec + ",");
@return $degree $spec;
}
@function _position-flipper($pos) {
@return if($pos == left, right, null)
if($pos == right, left, null)
if($pos == top, bottom, null)
if($pos == bottom, top, null);
}