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Broke out some of the inline RegExp from css.js. Goes towards fixing #4111.

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This commit is contained in:
John Resig 2009-07-19 16:13:45 +00:00
parent 4d1f15c351
commit 627a32cea2
1 changed files with 20 additions and 12 deletions
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32
src/css.js
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@ -1,5 +1,13 @@
// exclude the following css properties to add px
var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
var rexclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
ralpha = /alpha\([^)]*\)/,
ropacity = /opacity=([^)]*)/,
rfloat = /float/i,
rdashAlpha = /-([a-z])/ig,
rupper = /([A-Z])/g,
rnumpx = /^\d+(?:px)?$/i,
rnum = /^\d/,
// cache check for defaultView.getComputedStyle
getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
// normalize float css property
@ -45,7 +53,7 @@ jQuery.fn.css = function( name, value ) {
value = value.call( elem, i );
}
if ( typeof value === "number" && !exclude.test(prop) ) {
if ( typeof value === "number" && !rexclude.test(prop) ) {
value = value + "px";
}
@ -78,21 +86,21 @@ jQuery.extend({
style.zoom = 1;
// Set the alpha filter to set the opacity
style.filter = (style.filter || "").replace( /alpha\([^)]*\)/, "" ) +
style.filter = (style.filter || "").replace( ralpha, "" ) +
(parseInt( value ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
}
return style.filter && style.filter.indexOf("opacity=") >= 0 ?
(parseFloat( /opacity=([^)]*)/.exec(style.filter)[1] ) / 100) + '':
(parseFloat( ropacity.exec(style.filter)[1] ) / 100) + '':
"";
}
// Make sure we're using the right name for getting the float value
if ( /float/i.test( name ) ) {
if ( rfloat.test( name ) ) {
name = styleFloat;
}
name = name.replace(/-([a-z])/ig, fcamelCase);
name = name.replace(rdashAlpha, fcamelCase);
if ( set ) {
style[ name ] = value;
@ -140,7 +148,7 @@ jQuery.extend({
// IE uses filters for opacity
if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
ret = /opacity=([^)]*)/.test(elem.currentStyle.filter || "") ?
ret = ropacity.test(elem.currentStyle.filter || "") ?
(parseFloat(RegExp.$1) / 100) + "" :
"";
@ -150,7 +158,7 @@ jQuery.extend({
}
// Make sure we're using the right name for getting the float value
if ( /float/i.test( name ) ) {
if ( rfloat.test( name ) ) {
name = styleFloat;
}
@ -160,11 +168,11 @@ jQuery.extend({
} else if ( getComputedStyle ) {
// Only "float" is needed here
if ( /float/i.test( name ) ) {
if ( rfloat.test( name ) ) {
name = "float";
}
name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
name = name.replace( rupper, "-$1" ).toLowerCase();
var computedStyle = elem.ownerDocument.defaultView.getComputedStyle( elem, null );
@ -178,7 +186,7 @@ jQuery.extend({
}
} else if ( elem.currentStyle ) {
var camelCase = name.replace(/\-(\w)/g, fcamelCase);
var camelCase = name.replace(rdashAlpha, fcamelCase);
ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
@ -187,7 +195,7 @@ jQuery.extend({
// If we're not dealing with a regular pixel number
// but a number that has a weird ending, we need to convert it to pixels
if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
if ( !rnumpx.test( ret ) && rnum.test( ret ) ) {
// Remember the original values
var left = style.left, rsLeft = elem.runtimeStyle.left;