From 53e7181e009efcdcad182d485972bfbfda982fc0 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 29 Mar 2013 21:36:57 +0000
Subject: Allow HTML elements to be reused in HTML generation

---
 lib/html-generator.js | 27 ++++++++++++++++++++++++---
 1 file changed, 24 insertions(+), 3 deletions(-)

(limited to 'lib/html-generator.js')

diff --git a/lib/html-generator.js b/lib/html-generator.js
index 247ca09..5f2befa 100644
--- a/lib/html-generator.js
+++ b/lib/html-generator.js
@@ -1,5 +1,7 @@
 var util = require("util");
 
+var _ = require("underscore");
+
 exports.HtmlGenerator = HtmlGenerator;
 
 
@@ -17,10 +19,20 @@ function HtmlGenerator() {
     }
     
     function style(style) {
-        popAll();
-        style.forEach(function(tagName) {
-            push(tagName);
+        var firstFreshPartIndex = findIndex(style, function(part) {
+            return part.fresh;
         });
+        
+        var partIndex = 0;
+        while (partIndex < firstFreshPartIndex && style[partIndex].tagName === stack[partIndex]) {
+            partIndex++;
+        }
+        while (stack.length > partIndex) {
+            pop();
+        }
+        for (; partIndex < style.length; partIndex++) {
+            push(style[partIndex].tagName);
+        }
     }
     
     function push(element) {
@@ -54,3 +66,12 @@ function escapeHtml(value) {
         .replace(/</g, '&lt;')
         .replace(/>/g, '&gt;');
 }
+
+function findIndex(array, predicate) {
+    for (var i = 0; i < array.length; i++) {
+        if (predicate(array[i])) {
+            return i;
+        }
+    }
+    return -1;
+}
-- 
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