1 files changed, 86 insertions, 2 deletions
diff --git a/src/StyleReader.cs b/src/StyleReader.cs
index d99a1377..c1cc28bf 100644
--- a/src/StyleReader.cs
+++ b/src/StyleReader.cs
@@ -19,12 +19,96 @@
 //  You should have received a copy of the GNU General Public License
 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+
 namespace Crow
 {
-	public class StyleReader
+	public class StyleReader : StreamReader
 	{
-		public StyleReader ()
+		enum readerState { classNames, propertyName, expression }
+		readerState state = readerState.classNames;
+
+
+		public StyleReader (Assembly assembly, string resId)
+			: base(assembly.GetManifestResourceStream (resId))
 		{
+			Interface iface = Interface.CurrentInterface;
+			string classNameFromResId = resId.Substring (0, resId.Length - 6);
+			string token = "";
+			List<string> targetsClasses = new List<string> ();
+			string currentProperty = "";
+
+			while (!EndOfStream) {
+				char c = (Char)Read ();
+
+				switch (state) {
+				case readerState.classNames:
+					if (c.IsWhiteSpaceOrNewLine () || c == ',' || c == '{') {
+						if (!string.IsNullOrEmpty (token))
+							targetsClasses.Add (token);
+						if (c == '{')
+							state = readerState.propertyName;
+						token = "";
+					}else if (c=='='){
+						//this file contains only properties,
+						//resource Id (minus .style extention) will determine the single target class
+						if (targetsClasses.Count > 1)
+							throw new Exception ("Unexpected token '='");
+						else if (targetsClasses.Count == 1) {
+							if (!string.IsNullOrEmpty (token))
+								throw new Exception ("Unexpected token '='");
+							currentProperty = targetsClasses [0];
+							targetsClasses [0] = classNameFromResId;
+						}else{
+							if (string.IsNullOrEmpty (token))
+								throw new Exception ("Unexpected token '='");
+							targetsClasses.Add (classNameFromResId);
+							currentProperty = token;
+							token = "";
+						}
+						state = readerState.expression;
+					}else
+						token += c;
+					break;
+				case readerState.propertyName:
+					if (c.IsWhiteSpaceOrNewLine () || c == '=') {
+						if (!string.IsNullOrEmpty (token))
+							currentProperty = token;
+						if (c == '=')
+							state = readerState.expression;
+
+						token = "";
+					}else if (c == '}'){
+						if (!string.IsNullOrEmpty (token))
+							throw new Exception ("Unexpected token '" + c + "'");
+						targetsClasses = new List<string> ();
+						currentProperty = "";
+						state = readerState.classNames;
+					} else
+						token += c;
+					break;
+				case readerState.expression:
+					if (c == ';') {
+						if (!string.IsNullOrEmpty (token)) {
+							string expression = token.Trim ();
+
+							foreach (string tc in targetsClasses) {
+								if (!iface.Styling.ContainsKey (tc))
+									iface.Styling [tc] = new Dictionary<string, string> ();
+								else if (iface.Styling [tc].ContainsKey (currentProperty))
+									continue;
+								iface.Styling [tc] [currentProperty] = expression;
+							}
+							token = "";
+						}
+						state = readerState.propertyName;
+					} else
+						token += c;
+					break;
+				}
+			}					
 		}
 	}
 }