From 21da8b6424b78466b953df8ea4d66bd4020e0b7a Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Fri, 29 Mar 2013 21:05:21 +0000
Subject: Move HtmlGenerator to its own module

---
 lib/html-generator.js | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 lib/html-generator.js

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

diff --git a/lib/html-generator.js b/lib/html-generator.js
new file mode 100644
index 0000000..247ca09
--- /dev/null
+++ b/lib/html-generator.js
@@ -0,0 +1,56 @@
+var util = require("util");
+
+exports.HtmlGenerator = HtmlGenerator;
+
+
+function HtmlGenerator() {
+    var stack = [];
+    var fragments = [];
+    
+    function text(value) {
+        fragments.push(escapeHtml(value))
+    }
+    
+    function asString() {
+        popAll();
+        return fragments.join("");
+    }
+    
+    function style(style) {
+        popAll();
+        style.forEach(function(tagName) {
+            push(tagName);
+        });
+    }
+    
+    function push(element) {
+        stack.push(element);
+        fragments.push(util.format("<%s>", element));
+    }
+    
+    function pop() {
+        var element = stack.pop();
+        fragments.push(util.format("</%s>", element));
+    }
+    
+    function popAll() {
+        while (stack.length > 0) {
+            pop();
+        }
+    }
+    
+    return {
+        style: style,
+        text: text,
+        asString: asString
+    };
+}
+
+
+function escapeHtml(value) {
+    return value
+        .replace(/&/g, '&amp;')
+        .replace(/"/g, '&quot;')
+        .replace(/</g, '&lt;')
+        .replace(/>/g, '&gt;');
+}
-- 
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