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Selector.patterns should be represented as an ordered structure. [#315 state:resolved]

This commit is contained in:
savetheclocktower 2008-10-10 14:19:51 -05:00 committed by Tobie Langel
parent dad88f6ebf
commit c039f68fb7
2 changed files with 37 additions and 32 deletions
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2
CHANGELOG
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@ -1,3 +1,5 @@
* Selector.patterns should be represented as an ordered structure. (ADO, kangax)
* Performance improvements in Function methods (Samuel Lebeau, kangax, jddalton, Tobie Langel).
*1.6.0.3* (September 29, 2008)

67
src/dom/selector.js
View File

@ -54,7 +54,7 @@ var Selector = Class.create({
compileMatcher: function() {
var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
c = Selector.criteria, le, p, m;
c = Selector.criteria, le, p, m, len = ps.length, name;
if (Selector._cache[e]) {
this.matcher = Selector._cache[e];
@ -66,11 +66,12 @@ var Selector = Class.create({
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
p = ps[i];
for (var i = 0; i<len; i++) {
p = ps[i].re;
name = ps[i].name;
if (m = e.match(p)) {
this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
new Template(c[i]).evaluate(m));
this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
new Template(c[name]).evaluate(m));
e = e.replace(m[0], '');
break;
}
@ -84,7 +85,7 @@ var Selector = Class.create({
compileXPathMatcher: function() {
var e = this.expression, ps = Selector.patterns,
x = Selector.xpath, le, m;
x = Selector.xpath, le, m, len = ps.length, name;
if (Selector._cache[e]) {
this.xpath = Selector._cache[e]; return;
@ -93,10 +94,11 @@ var Selector = Class.create({
this.matcher = ['.//*'];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
if (m = e.match(ps[i])) {
this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
new Template(x[i]).evaluate(m));
for (var i = 0; i<len; i++) {
name = ps[i].name;
if (m = e.match(ps[i].re)) {
this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
new Template(x[name]).evaluate(m));
e = e.replace(m[0], '');
break;
}
@ -136,17 +138,18 @@ var Selector = Class.create({
this.tokens = [];
var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
var le, p, m;
var le, p, m, len = ps.length, name;
while (e && le !== e && (/\S/).test(e)) {
le = e;
for (var i in ps) {
p = ps[i];
for (var i = 0; i<len; i++) {
p = ps[i].re;
name = ps[i].name;
if (m = e.match(p)) {
// use the Selector.assertions methods unless the selector
// is too complex.
if (as[i]) {
this.tokens.push([i, Object.clone(m)]);
if (as[name]) {
this.tokens.push([name, Object.clone(m)]);
e = e.replace(m[0], '');
} else {
// reluctantly do a document-wide search
@ -226,14 +229,15 @@ Object.extend(Selector, {
'enabled': "[not(@disabled) and (@type!='hidden')]",
'not': function(m) {
var e = m[6], p = Selector.patterns,
x = Selector.xpath, le, v;
x = Selector.xpath, le, v, len = p.length, name;
var exclusion = [];
while (e && le != e && (/\S/).test(e)) {
le = e;
for (var i in p) {
if (m = e.match(p[i])) {
v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
for (var i = 0; i<len; i++) {
name = p[i].name
if (m = e.match(p[i].re)) {
v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
exclusion.push("(" + v.substring(1, v.length - 1) + ")");
e = e.replace(m[0], '');
break;
@ -301,23 +305,22 @@ Object.extend(Selector, {
laterSibling: 'c = "laterSibling";'
},
patterns: {
patterns: [
// combinators must be listed first
// (and descendant needs to be last combinator)
laterSibling: /^\s*~\s*/,
child: /^\s*>\s*/,
adjacent: /^\s*\+\s*/,
descendant: /^\s/,
{ name: 'laterSibling', re: /^\s*~\s*/ },
{ name: 'child', re: /^\s*>\s*/ },
{ name: 'adjacent', re: /^\s*\+\s*/ },
{ name: 'descendant', re: /^\s/ },
// selectors follow
tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
id: /^#([\w\-\*]+)(\b|$)/,
className: /^\.([\w\-\*]+)(\b|$)/,
pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
},
{ name: 'tagName', re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
{ name: 'id', re: /^#([\w\-\*]+)(\b|$)/ },
{ name: 'className', re: /^\.([\w\-\*]+)(\b|$)/ },
{ name: 'pseudo', re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
{ name: 'attrPresence', re: /^\[((?:[\w]+:)?[\w]+)\]/ },
{ name: 'attr', re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
],
// for Selector.match and Element#match
assertions: {