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NLog.Windows.Wpf/RichTextBoxWordColoringRule.cs

@@ -1,119 +1,59 @@
-// 
-// Copyright (c) 2004-2011 Jaroslaw Kowalski <jaak@jkowalski.net>
-// 
-// All rights reserved.
-// 
-// Redistribution and use in source and binary forms, with or without 
-// modification, are permitted provided that the following conditions 
-// are met:
-// 
-// * Redistributions of source code must retain the above copyright notice, 
-//   this list of conditions and the following disclaimer. 
-// 
-// * Redistributions in binary form must reproduce the above copyright notice,
-//   this list of conditions and the following disclaimer in the documentation
-//   and/or other materials provided with the distribution. 
-// 
-// * Neither the name of Jaroslaw Kowalski nor the names of its 
-//   contributors may be used to endorse or promote products derived from this
-//   software without specific prior written permission. 
-// 
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
-// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
-// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
-// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
-// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
-// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
-// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 
-// THE POSSIBILITY OF SUCH DAMAGE.
-// 
-
+using NLog.Config;
+using NLog.Layouts;
 using System.ComponentModel;
 using System.Text.RegularExpressions;
 using System.Windows;
-using NLog.Config;
 
 namespace NLog.Windows.Wpf
 {
-	[NLogConfigurationItem]
+    [NLogConfigurationItem]
     public class RichTextBoxWordColoringRule
     {
-        private Regex compiledRegex;
+        public Layout Regex { get; set; }
+        public Layout Text { get; set; }
+        public Layout<bool> WholeWords { get; set; }
+        public Layout<bool> IgnoreCase { get; set; }
 
-        public RichTextBoxWordColoringRule()
+        public Layout FontColor { get; set; }
+        public Layout BackgroundColor { get; set; }
+
+        public FontStyle FontStyle { get; set; }
+        public FontWeight FontWeight { get; set; }
+
+        internal Regex ResolveRegEx(string pattern, string text, bool wholeWords, bool ignoreCase)
         {
-            FontColor = "Empty";
-            BackgroundColor = "Empty";
+            if (string.IsNullOrEmpty(pattern) && text != null)
+            {
+                pattern = System.Text.RegularExpressions.Regex.Escape(text);
+                if (wholeWords)
+                    pattern = "\b" + pattern + "\b";
+            }
+
+            RegexOptions options = RegexOptions.None;
+            if (ignoreCase)
+                options |= RegexOptions.IgnoreCase;
+
+            return new Regex(pattern, options);   // RegEx-Cache
         }
 
+        public RichTextBoxWordColoringRule() : this(null, "Empty", "Empty", FontStyles.Normal, FontWeights.Normal) { }
+
         public RichTextBoxWordColoringRule(string text, string fontColor, string backgroundColor)
         {
-            Text = text;
-            FontColor = fontColor;
-            BackgroundColor = backgroundColor;
-            Style = FontStyles.Normal;
-            Weight = FontWeights.Normal;
+            this.Text = text;
+            this.FontColor = Layout.FromString(fontColor);
+            this.BackgroundColor = Layout.FromString(backgroundColor);
+            this.FontStyle = FontStyles.Normal;
+            this.FontWeight = FontWeights.Normal;
         }
 
         public RichTextBoxWordColoringRule(string text, string textColor, string backgroundColor, FontStyle fontStyle, FontWeight fontWeight)
         {
-            Text = text;
-            FontColor = textColor;
-            BackgroundColor = backgroundColor;
-            Style = fontStyle;
-            Weight = fontWeight;
+            this.Text = text;
+            this.FontColor = Layout.FromString(textColor);
+            this.BackgroundColor = Layout.FromString(backgroundColor);
+            this.FontStyle = fontStyle;
+            this.FontWeight = fontWeight;
         }
-
-        public string Regex { get; set; }
-
-        public string Text { get; set; }
-
-        [DefaultValue(false)]
-        public bool WholeWords { get; set; }
-
-        [DefaultValue(false)]
-        public bool IgnoreCase { get; set; }
-
-        public FontStyle Style { get; set; }
-
-        public FontWeight Weight { get; set; }
-
-        public Regex CompiledRegex
-        {
-            get
-            {
-                if (compiledRegex == null)
-                {
-                    string regexpression = Regex;
-                    if (regexpression == null && Text != null)
-                    {
-                        regexpression = System.Text.RegularExpressions.Regex.Escape(Text);
-                        if (WholeWords)
-                        {
-                            regexpression = "\b" + regexpression + "\b";
-                        }
-                    }
-
-                    RegexOptions regexOptions = RegexOptions.Compiled;
-                    if (IgnoreCase)
-                    {
-                        regexOptions |= RegexOptions.IgnoreCase;
-                    }
-
-                    compiledRegex = new Regex(regexpression, regexOptions);
-                }
-
-                return compiledRegex;
-            }
-        }
-
-        [DefaultValue("Empty")]
-        public string FontColor { get; set; }
-
-        [DefaultValue("Empty")]
-        public string BackgroundColor { get; set; }
     }
 }