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1   /*
2    * Copyright (C) 2006 uguu@users.sourceforge.jp, All Rights Reserved.
3    *
4    * Redistribution and use in source and binary forms, with or without
5    * modification, are permitted provided that the following conditions
6    * are met:
7    *
8    *    1. Redistributions of source code must retain the above copyright
9    *       notice, this list of conditions and the following disclaimer.
10   *
11   *    2. Redistributions in binary form must reproduce the above copyright
12   *       notice, this list of conditions and the following disclaimer in the
13   *       documentation and/or other materials provided with the distribution.
14   *
15   *    3. Neither the name of Clarkware Consulting, Inc. nor the names of its
16   *       contributors may be used to endorse or promote products derived
17   *       from this software without prior written permission. For written
18   *       permission, please contact clarkware@clarkware.com.
19   *
20   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
21   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
22   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
23   * CLARKWARE CONSULTING OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
26   * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28   * NEGLIGENCE OR OTHERWISE) ARISING IN  ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29   * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30   */
31  
32  package jp.sourceforge.tokenizer;
33  
34  /**
35   * <p>
36   * 字句解析に失敗したことを表す例外です。
37   * </p>
38   * 
39   * @author uguu@users.sourceforge.jp
40   */
41  public final class TokenizerException extends RuntimeException {
42  
43      private int line;
44  
45      private int column;
46  
47      /**
48       * <p>
49       * インスタンスを初期化します。複数のトークンが一致したことを表すメッセージを構築します。
50       * </p>
51       * 
52       * @param line
53       *            例外が発生したときに読み込んでいた行番号。
54       * @param column
55       *            例外が発生したときに読み込まんでいた列番号。
56       * @param tokens
57       *            一致した複数のトークンの配列。
58       */
59      public TokenizerException(int line, int column, TokenInfo[] tokens) {
60          super(TokenizerException.buildMessage(line, column, tokens));
61  
62          this.line = line;
63          this.column = column;
64      }
65  
66      private static String buildMessage(int line, int column, TokenInfo[] tokens) {
67          String msg = line + "行目、" + column + "列目で複数のトークンに一致しました。一致したトークンの正規表現は次の通りです。{";
68          for (int i = 0; i < tokens.length; i++) {
69              if (i != 0) {
70                  msg += ", ";
71              }
72              msg += tokens[i].getTokenPattern().pattern();
73          }
74          msg += "}";
75          return msg;
76      }
77  
78      /**
79       * <p>
80       * 例外が発生したときに読み込んでいた行番号を返します。
81       * </p>
82       * 
83       * @return 例外が発生したときに読み込んでいた行番号。
84       */
85      public int getLine() {
86          return this.line;
87      }
88  
89      /**
90       * <p>
91       * 例外が発生したときに読み込んでいた列番号を返します。
92       * </p>
93       * 
94       * @return 例外が発生したときに読み込んでいた列番号。
95       */
96      public int getColumn() {
97          return this.column;
98      }
99  }