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Selector: add jQuery.escapeSelector

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Fixes gh-1761
Close gh-2878
This commit is contained in:
Timmy Willison 2016-01-27 12:57:04 -05:00
parent a8c0194d3d
commit 25068bf2c6
3 changed files with 34 additions and 3 deletions
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30
src/selector-native.js
View File

@ -37,7 +37,26 @@ var hasDuplicate, sortInput,
documentElement.webkitMatchesSelector ||
documentElement.mozMatchesSelector ||
documentElement.oMatchesSelector ||
documentElement.msMatchesSelector;
documentElement.msMatchesSelector,
// CSS string/identifier serialization
// https://drafts.csswg.org/cssom/#common-serializing-idioms
rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g,
fcssescape = function( ch, asCodePoint ) {
if ( asCodePoint ) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
if ( ch === "\0" ) {
return "\uFFFD";
}
// Control characters and (dependent upon position) numbers get escaped as code points
return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
}
// Other potentially-special ASCII characters get backslash-escaped
return "\\" + ch;
};
function sortOrder( a, b ) {
@ -110,7 +129,14 @@ function uniqueSort( results ) {
return results;
}
function escape( sel ) {
return ( sel + "" ).replace( rcssescape, fcssescape );
}
jQuery.extend( {
uniqueSort: uniqueSort,
unique: uniqueSort,
escapeSelector: escape,
find: function( selector, context, results, seed ) {
var elem, nodeType,
i = 0;
@ -140,8 +166,6 @@ jQuery.extend( {
return results;
},
uniqueSort: uniqueSort,
unique: uniqueSort,
text: function( elem ) {
var node,
ret = "",

1
src/selector-sizzle.js
View File

@ -10,5 +10,6 @@ jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
jQuery.text = Sizzle.getText;
jQuery.isXMLDoc = Sizzle.isXML;
jQuery.contains = Sizzle.contains;
jQuery.escapeSelector = Sizzle.escape;
} );

6
test/unit/selector.js
View File

@ -536,3 +536,9 @@ QUnit.asyncTest( "Iframe dispatch should not affect jQuery (#13936)", 1, functio
iframeDoc.write( "<body><form id='navigate' action='?'></form></body>" );
iframeDoc.close();
} );
QUnit.test( "Ensure escapeSelector exists (escape tests in Sizzle)", function( assert ) {
assert.expect( 1 );
assert.equal( jQuery.escapeSelector( "#foo.bar" ), "\\#foo\\.bar", "escapeSelector present" );
} );