Core/CompleteCollectionHelper.cs

   1 using System;
   2 using System.Linq;
   3 using System.Text;
   4 using System.Collections.Generic;
   5 using FooEditEngine;
   6
   7 namespace FooEditEngine
   8 {
   9     /// <summary>
  10     /// 補完候補作成用便利クラス
  11     /// </summary>
  12     public static class CompleteHelper
  13     {
  14         /// <summary>
  15         /// KeywordManager.Operatorsで区切られた単語を補完候補に追加する
  16         /// </summary>
  17         /// <param name="items"></param>
  18         /// <param name="Operators"></param>
  19         /// <param name="s"></param>
  20         public static void AddCompleteWords(CompleteCollection<ICompleteItem> items, IList<char> Operators, string s)
  21         {
  22             if (items == null || Operators == null)
  23                 return;
  24
  25             char[] seps = new char[Operators.Count];
  26             Operators.CopyTo(seps, 0);
  27
  28             string[] words = s.Split(seps, StringSplitOptions.RemoveEmptyEntries);
  29
  30             foreach (string word in words)
  31                 CompleteHelper.AddComleteWord(items, word);
  32         }
  33
  34         /// <summary>
  35         /// 補完候補を追加する
  36         /// </summary>
  37         /// <param name="items"></param>
  38         /// <param name="word"></param>
  39         public static void AddComleteWord(CompleteCollection<ICompleteItem> items, string word)
  40         {
  41             CompleteWord newItem = new CompleteWord(word);
  42             if (items.Contains(newItem) == false && CompleteHelper.IsVaildWord(word))
  43                 items.Add(newItem);
  44         }
  45
  46         /// <summary>
  47         /// ドキュメントから単語リストを作成する
  48         /// </summary>
  49         /// <param name="doc"></param>
  50         /// <param name="startIndex"></param>
  51         /// <param name="sep"></param>
  52         /// <returns></returns>
  53         public static string GetWord(Document doc, int startIndex,char[] sep)
  54         {
  55             if (doc.Length == 0)
  56                 return null;
  57             StringBuilder word = new StringBuilder();
  58             for (int i = startIndex; i >= 0; i--)
  59             {
  60                 if(sep.Contains(doc[i]))
  61                 {
  62                     return word.ToString();
  63                 }
  64                 word.Insert(0,doc[i]);
  65             }
  66             if (word.Length > 0)
  67                 return word.ToString();
  68             else
  69                 return null;
  70         }
  71
  72         static bool IsVaildWord(string s)
  73         {
  74             if (s.Length == 0 || s == string.Empty)
  75                 return false;
  76             if (!Char.IsLetter(s[0]))
  77                 return false;
  78             for (int i = 1; i < s.Length; i++)
  79             {
  80                 if (!Char.IsLetterOrDigit(s[i]))
  81                     return false;
  82             }
  83             return true;
  84         }
  85     }
  86 }