1
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3 package org.apache.commons.ognl;
4
5
6 public class TokenMgrError extends Error
7 {
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14 private static final long serialVersionUID = 1L;
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23 static final int LEXICAL_ERROR = 0;
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28 static final int STATIC_LEXER_ERROR = 1;
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33 static final int INVALID_LEXICAL_STATE = 2;
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38 static final int LOOP_DETECTED = 3;
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44 int errorCode;
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50 protected static final String addEscapes(String str) {
51 StringBuffer retval = new StringBuffer();
52 char ch;
53 for (int i = 0; i < str.length(); i++) {
54 switch (str.charAt(i))
55 {
56 case 0 :
57 continue;
58 case '\b':
59 retval.append("\\b");
60 continue;
61 case '\t':
62 retval.append("\\t");
63 continue;
64 case '\n':
65 retval.append("\\n");
66 continue;
67 case '\f':
68 retval.append("\\f");
69 continue;
70 case '\r':
71 retval.append("\\r");
72 continue;
73 case '\"':
74 retval.append("\\\"");
75 continue;
76 case '\'':
77 retval.append("\\\'");
78 continue;
79 case '\\':
80 retval.append("\\\\");
81 continue;
82 default:
83 if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
84 String s = "0000" + Integer.toString(ch, 16);
85 retval.append("\\u" + s.substring(s.length() - 4, s.length()));
86 } else {
87 retval.append(ch);
88 }
89 continue;
90 }
91 }
92 return retval.toString();
93 }
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107 protected static String LexicalError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar) {
108 return("Lexical error at line " +
109 errorLine + ", column " +
110 errorColumn + ". Encountered: " +
111 (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int)curChar + "), ") +
112 "after : \"" + addEscapes(errorAfter) + "\"");
113 }
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124 public String getMessage() {
125 return super.getMessage();
126 }
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133 public TokenMgrError() {
134 }
135
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137 public TokenMgrError(String message, int reason) {
138 super(message);
139 errorCode = reason;
140 }
141
142
143 public TokenMgrError(boolean EOFSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar, int reason) {
144 this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
145 }
146 }
147