From 1fdebea2331ddd694af844adf6bf3d4ad6789928 Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Wed, 21 Jan 2009 19:29:16 +0100
Subject: refactor CssSelector::match() making it slightly more efficient

---
 src/css.cc | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

(limited to 'src')

diff --git a/src/css.cc b/src/css.cc
index 86c52c0f..49ef8945 100644
--- a/src/css.cc
+++ b/src/css.cc
@@ -67,22 +67,17 @@ CssSelector::~CssSelector () {
 
 bool CssSelector::match (Doctree *docTree) {
    CssSimpleSelector *sel;
-   Combinator comb;
+   Combinator comb = CHILD;
    int *notMatchingBefore;
    const DoctreeNode *n, *node = docTree->top ();
 
    assert (selectorList->size () > 0);
 
-   sel = top ();
-   
-   if (! sel->match (node))
-      return false;
+   for (int i = selectorList->size () - 1; i >= 0; i--) {
+      struct CombinatorAndSelector *cs = selectorList->getRef (i);
 
-   for (int i = selectorList->size () - 2; i >= 0; i--) {
-      sel = &selectorList->getRef (i)->selector;
-      comb = selectorList->getRef (i + 1)->combinator;
-      notMatchingBefore = &selectorList->getRef (i)->notMatchingBefore;
-      node = docTree->parent (node);
+      sel = &cs->selector;
+      notMatchingBefore = &cs->notMatchingBefore;
 
       if (node == NULL)
          return false;
@@ -110,6 +105,9 @@ bool CssSelector::match (Doctree *docTree) {
          default:
             return false; // \todo implement other combinators
       }
+
+      comb = cs->combinator;
+      node = docTree->parent (node);
    } 
    
    return true;
-- 
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