From bebb97c35d322ca1a32f836470c3511f07ee3464 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Philippe=20Bruy=C3=A8re?= <jp_bruyere@hotmail.com>
Date: Tue, 2 Jun 2020 01:56:18 +0200
Subject: [PATCH] replace styling constant in iml files while generating
 instantiator

---
 Crow/src/IML/Instantiator.cs    | 41 +++++++++++++++++++++++++++------
 Crow/src/styling/StyleReader.cs |  7 +++---
 2 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/Crow/src/IML/Instantiator.cs b/Crow/src/IML/Instantiator.cs
index 0aa49eb4..4254933b 100644
--- a/Crow/src/IML/Instantiator.cs
+++ b/Crow/src/IML/Instantiator.cs
@@ -31,7 +31,7 @@ namespace Crow.IML {
 	/// 	- Default values (appearing as attribute in C#)  loading
 	/// 	- Styling
 	/// 
-	/// Instantiators are shared amongs interfaces. Their are stored with their path as key, and inlined template
+	/// Their are stored in the Interface with their path as key, and inlined template
 	/// and itemtemplate are stored with a generated uuid
 	/// </summary>
 	public class Instantiator
@@ -470,17 +470,44 @@ namespace Crow.IML {
 						if (reader.Name == "Style" || reader.Name == "DataSourceType" || reader.Name == "Template")
 							continue;
 
-						#if DESIGN_MODE
+#if DESIGN_MODE
 						emitSetDesignAttribute (ctx, reader.Name, reader.Value);
-						#endif
+#endif
+
+						string imlValue = reader.Value;
+						StringBuilder styledValue = new StringBuilder();
+
+						int vPtr = 0;
+						while (vPtr < imlValue.Length) {
+							if (imlValue [vPtr] == '$') {
+								if (imlValue [vPtr+1] == '{') {
+									vPtr+=2;
+									string cstId = "";
+									while (vPtr < imlValue.Length) {
+										if (imlValue [vPtr] == '}') {
+											vPtr++;
+											break;
+										}
+										cstId += imlValue [vPtr++];
+									}
+									if (string.IsNullOrEmpty (cstId) || !iface.StylingConstants.ContainsKey (cstId))
+										throw new Exception ("undefined constant id: " + cstId);
+									styledValue.Append (iface.StylingConstants [cstId]);
+									continue; 
+								}
+							}
+							styledValue.Append (imlValue [vPtr++]);
+						}
+						imlValue = styledValue.ToString ();
 
 						MemberInfo mi = ctx.CurrentNodeType.GetMember (reader.Name).FirstOrDefault ();
 						if (mi == null)
 							throw new Exception ("Member '" + reader.Name + "' not found in " + ctx.CurrentNodeType.Name);
 
 						if (mi.MemberType == MemberTypes.Event) {
-							foreach (string exp in reader.Value.Split (';')) {
+							foreach (string exp in imlValue.ToString().Split (';')) {
 								string trimed = exp.Trim();
+
 								if (trimed.StartsWith ("{", StringComparison.Ordinal))
 									compileAndStoreDynHandler (ctx, mi as EventInfo, trimed.Substring (1, trimed.Length - 2));
 								else
@@ -496,10 +523,10 @@ namespace Crow.IML {
 						if (pi.Name == "Name")
 							ctx.StoreCurrentName (reader.Value);
 
-						if (reader.Value.StartsWith ("{", StringComparison.Ordinal))
-							readPropertyBinding (ctx, reader.Name, reader.Value.Substring (1, reader.Value.Length - 2));
+						if (imlValue.StartsWith ("{", StringComparison.Ordinal))
+							readPropertyBinding (ctx, reader.Name, imlValue.Substring (1, reader.Value.Length - 2));
 						else
-							CompilerServices.EmitSetValue (ctx.il, pi, reader.Value);
+							CompilerServices.EmitSetValue (ctx.il, pi, styledValue);
 
 					}
 					reader.MoveToElement ();
diff --git a/Crow/src/styling/StyleReader.cs b/Crow/src/styling/StyleReader.cs
index cace196a..218032e7 100644
--- a/Crow/src/styling/StyleReader.cs
+++ b/Crow/src/styling/StyleReader.cs
@@ -20,7 +20,8 @@ namespace Crow
 		enum States { classNames, members, value, endOfStatement }
 
 		States curState = States.classNames;
-
+		int column = 1;
+		int line = 1;
 
 		#region Character ValidityCheck
 		static Regex rxValidChar = new Regex(@"\p{Lu}|\p{Ll}|\p{Lt}|\p{Lm}|\p{Lo}|\p{Nl}|\p{Mn}|\p{Mc}|\p{Nd}|\p{Pc}|\p{Cf}");
@@ -62,8 +63,8 @@ namespace Crow
 		/// <param name="iFace">the Interface to load the style for</param>
 		public void Parse (Interface iFace, string resId)
 		{
-			int column = 1;
-			int line = 1;
+			column = 1;
+			line = 1;
 			curState = States.classNames;
 
 			string styleKey = resId.Substring (0, resId.Length - 6);
-- 
2.47.3