From fbb5d4a4a65db3ed9359d028b859e1330b251338 Mon Sep 17 00:00:00 2001
From: Jeremy Wu <jeremy24wu@gmail.com>
Date: Sun, 29 Sep 2019 14:26:15 +1000
Subject: [PATCH] Make FuzzMatcher class obsolete and keep backwards
 compatibility

---
 Wox.Infrastructure/FuzzyMatcher.cs | 100 +----------------------------
 1 file changed, 3 insertions(+), 97 deletions(-)

diff --git a/Wox.Infrastructure/FuzzyMatcher.cs b/Wox.Infrastructure/FuzzyMatcher.cs
index c2d7e02e94..cb1e735f5c 100644
--- a/Wox.Infrastructure/FuzzyMatcher.cs
+++ b/Wox.Infrastructure/FuzzyMatcher.cs
@@ -1,10 +1,8 @@
-using System.Text;
+using System;
 
 namespace Wox.Infrastructure
 {
-    /// <summary>
-    /// refer to https://github.com/mattyork/fuzzy
-    /// </summary>
+    [Obsolete("This class is obsolete and should not be used. Please use the static function StringMatcher.FuzzySearch")]
     public class FuzzyMatcher
     {
         private string query;
@@ -28,99 +26,7 @@ namespace Wox.Infrastructure
 
         public MatchResult Evaluate(string str)
         {
-            if (string.IsNullOrEmpty(str) || string.IsNullOrEmpty(query)) return new MatchResult { Success = false };
-
-            var len = str.Length;
-            var compareString = opt.IgnoreCase ? str.ToLower() : str;
-            var pattern = opt.IgnoreCase ? query.ToLower() : query;
-
-            var sb = new StringBuilder(str.Length + (query.Length * (opt.Prefix.Length + opt.Suffix.Length)));
-            var patternIdx = 0;
-            var firstMatchIndex = -1;
-            var lastMatchIndex = 0;
-            char ch;
-            for (var idx = 0; idx < len; idx++)
-            {
-                ch = str[idx];
-                if (compareString[idx] == pattern[patternIdx])
-                {
-                    if (firstMatchIndex < 0)
-                        firstMatchIndex = idx;
-                    lastMatchIndex = idx + 1;
-
-                    sb.Append(opt.Prefix + ch + opt.Suffix);
-                    patternIdx += 1;
-                }
-                else
-                {
-                    sb.Append(ch);
-                }
-
-                // match success, append remain char
-                if (patternIdx == pattern.Length && (idx + 1) != compareString.Length)
-                {
-                    sb.Append(str.Substring(idx + 1));
-                    break;
-                }
-            }
-
-            // return rendered string if we have a match for every char
-            if (patternIdx == pattern.Length)
-            {
-                return new MatchResult
-                {
-                    Success = true,
-                    Value = sb.ToString(),
-                    Score = CalScore(str, firstMatchIndex, lastMatchIndex - firstMatchIndex)
-                };
-            }
-
-            return new MatchResult { Success = false };
+            return StringMatcher.FuzzySearch(query, str, opt);
         }
-
-        private int CalScore(string str, int firstIndex, int matchLen)
-        {
-            //a match found near the beginning of a string is scored more than a match found near the end
-            //a match is scored more if the characters in the patterns are closer to each other, while the score is lower if they are more spread out
-            var score = 100 * (query.Length + 1) / ((1 + firstIndex) + (matchLen + 1));
-            //a match with less characters assigning more weights
-            if (str.Length - query.Length < 5)
-                score = score + 20;
-            else if (str.Length - query.Length < 10)
-                score = score + 10;
-
-            return score;
-        }
-    }
-
-    public class MatchResult
-    {
-        public bool Success { get; set; }
-        public int Score { get; set; }
-        /// <summary>
-        /// hightlight string
-        /// </summary>
-        public string Value { get; set; }
-    }
-
-    public class MatchOption
-    {
-        public MatchOption()
-        {
-            Prefix = "";
-            Suffix = "";
-            IgnoreCase = true;
-        }
-
-        /// <summary>
-        /// prefix of match char, use for hightlight
-        /// </summary>
-        public string Prefix { get; set; }
-        /// <summary>
-        /// suffix of match char, use for hightlight
-        /// </summary>
-        public string Suffix { get; set; }
-
-        public bool IgnoreCase { get; set; }
     }
 }