Goyslop/4chan-x
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Global xpaths optimization. This is actually faster.

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This commit is contained in:
Nicolas Stepien 2012-02-22 05:49:06 +01:00
parent 7f26ab50ad
commit d3c4ec3671
2 changed files with 6 additions and 4 deletions
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4
4chan_x.user.js
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@ -392,7 +392,7 @@
}, },
x: function(path, root) { x: function(path, root) {
if (root == null) root = d.body; if (root == null) root = d.body;
return d.evaluate(path, root, null, XPathResult.ANY_UNORDERED_NODE_TYPE, null).singleNodeValue; return d.evaluate(path, root, null, 8, null).singleNodeValue;
}, },
replace: function(root, el) { replace: function(root, el) {
return root.parentNode.replaceChild(el, root); return root.parentNode.replaceChild(el, root);
@ -641,7 +641,7 @@
comment: function(root) { comment: function(root) {
var i, len, node, nodes, text; var i, len, node, nodes, text;
text = []; text = [];
nodes = d.evaluate('.//node()', root.lastChild, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null); nodes = d.evaluate('.//node()', root.lastChild, null, 7, null);
i = 0; i = 0;
len = nodes.snapshotLength; len = nodes.snapshotLength;
while (i < len) { while (i < len) {

6
script.coffee
View File

@ -301,7 +301,8 @@ $.extend $,
$.add d.head, style $.add d.head, style
style style
x: (path, root=d.body) -> x: (path, root=d.body) ->
d.evaluate(path, root, null, XPathResult.ANY_UNORDERED_NODE_TYPE, null). # XPathResult.ANY_UNORDERED_NODE_TYPE is 8
d.evaluate(path, root, null, 8, null).
singleNodeValue singleNodeValue
replace: (root, el) -> replace: (root, el) ->
root.parentNode.replaceChild el, root root.parentNode.replaceChild el, root
@ -552,7 +553,8 @@ filter =
sub.textContent sub.textContent
comment: (root) -> comment: (root) ->
text = [] text = []
nodes = d.evaluate './/node()', root.lastChild, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null # XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE is 7
nodes = d.evaluate './/node()', root.lastChild, null, 7, null
i = 0 i = 0
len = nodes.snapshotLength len = nodes.snapshotLength
while i < len while i < len