From e9c7d4c3915214ad4813cc2cd34ba584d4c8b05e Mon Sep 17 00:00:00 2001
From: Rudis Muiznieks <rudis@sitosis.com>
Date: Sun, 29 Jun 2014 23:30:40 -0500
Subject: [PATCH] added regex for parsing conditions and toggles from hrefs

---
 Ficdown.Parser/Engine/BlockHandler.cs | 22 ++++++++++++++++++----
 Ficdown.Parser/Engine/RegexLib.cs     |  9 ++++++---
 2 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/Ficdown.Parser/Engine/BlockHandler.cs b/Ficdown.Parser/Engine/BlockHandler.cs
index a0e7fbc..dced07c 100644
--- a/Ficdown.Parser/Engine/BlockHandler.cs
+++ b/Ficdown.Parser/Engine/BlockHandler.cs
@@ -64,6 +64,19 @@
             return story;
         }
 
+        private void ParseHref(string href, out IList<string> conditions, out IList<string> toggles)
+        {
+            var match = RegexLib.Href.Match(href);
+            if (match.Success)
+            {
+                var cstr = match.Groups["conditions"].Value;
+                var tstr = match.Groups["toggles"].Value;
+            }
+            else throw new FormatException(string.Format("Invalid href: {0}", href));
+            conditions = null;
+            toggles = null;
+        }
+
         private Scene BlockToScene(Block block)
         {
             var scene = new Scene
@@ -75,11 +88,12 @@
             if (sceneName.Success)
             {
                 scene.Name = sceneName.Groups["text"].Value;
+                IList<string> conditions, toggles;
+                ParseHref(sceneName.Groups["href"].Value, out conditions, out toggles);
+                scene.Conditions = conditions;
+                scene.Toggles = toggles;
             }
-            else
-            {
-                scene.Name = block.Name;
-            }
+            else scene.Name = block.Name;
 
             return scene;
         }
diff --git a/Ficdown.Parser/Engine/RegexLib.cs b/Ficdown.Parser/Engine/RegexLib.cs
index d786840..0603ea0 100644
--- a/Ficdown.Parser/Engine/RegexLib.cs
+++ b/Ficdown.Parser/Engine/RegexLib.cs
@@ -5,9 +5,12 @@
 
     internal static class RegexLib
     {
-        public static Regex Anchors = new Regex(string.Format(@"(?<anchor>\[(?<text>{0})\]\([ ]*(?<href>{1})[ ]*\))",
-            GetNestedBracketsPattern(), GetNestedParensPattern()),
-                RegexOptions.Singleline | RegexOptions.Compiled);
+        public static Regex Anchors =
+            new Regex(
+                string.Format(@"(?<anchor>\[(?<text>{0})\]\([ ]*(?<href>{1})[ ]*\))", GetNestedBracketsPattern(),
+                    GetNestedParensPattern()), RegexOptions.Singleline | RegexOptions.Compiled);
+
+        public static Regex Href = new Regex(@"^(\?(?<conditions>[^#]+))?(#(?<toggles>.+))?$", RegexOptions.Compiled);
 
         private const int _nestDepth = 6;