/**
* Transforms "white-space: pre-wrap" into browser specific counterparts.
*/
private static function whiteSpace(css_property $property, css_prefixer $prefixer)
{
if (strtolower($property->value) === "pre-wrap") {
// Firefox < 3
if ($prefixer->mozilla) {
$property->insert_after("white-space", "-moz-pre-wrap");
}
// Webkit
if ($prefixer->webkit) {
$property->insert_after("white-space", "-webkit-pre-wrap");
}
if ($prefixer->opera) {
// Opera >= 4 <= 6
$property->insert_after("white-space", "-pre-wrap");
// Opera >= 7
$property->insert_after("white-space", "-o-pre-wrap");
}
// Internet Explorer >= 5.5
if ($prefixer->msie) {
$property->insert_after("word-wrap", "break-word");
}
}
}
private function _shorthand(css_property $property)
{
$shorthands = array('background' => array('background-color', 'background-image', 'background-repeat', 'background-position', 'background-attachment'), 'font' => array('font-style', 'font-variant', 'font-weight', 'font-size', 'line-height', 'font-family'), 'margin' => array('margin-top', 'margin-right', 'margin-bottom', 'margin-left'), 'padding' => array('padding-top', 'padding-right', 'padding-bottom', 'padding-left'), 'list-style' => array('list-style-type', 'list-style-position', 'list-style-image'), 'border-width' => array('border-top-width', 'border-right-width', 'border-bottom-width', 'border-left-width'), 'border-radius' => array('border-top-left-radius', 'border-top-right-radius', 'border-bottom-right-radius', 'border-bottom-left-radius'));
foreach ($shorthands as $shorthand => $shorthand_properties) {
if (in_array($property->name, $shorthand_properties)) {
//All properties must be defined in order to use the shorthand version
$properties = array();
$siblings = $property->siblings('css_property', true);
foreach ($shorthand_properties as $name) {
$found = false;
foreach ($siblings as $sibling) {
if ($sibling->name == $name) {
$properties[] = $sibling;
$found = true;
break;
}
}
if (!$found) {
break;
}
}
if ($found && count($properties) == count($shorthand_properties)) {
//Replace with shorthand
$values = array();
foreach ($properties as $p) {
$values[] = $p->value;
if ($p != $property) {
$p->remove();
}
}
$property->name = $shorthand;
$property->value = implode(' ', $values);
}
}
}
}
