ParseException.java revision a07f2ae0b18964aa15e218e8b6be8be24e5c9f46
1053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 3.0 */ 259aefa242169b7a51c2381daee58ff22fd1834ceJunichi Monma/* 3053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * Copyright 2004 the mime4j project 4053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * 5053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 6053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * you may not use this file except in compliance with the License. 7053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * You may obtain a copy of the License at 8053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * 9053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * 11053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * See the License for the specific language governing permissions and 15053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * limitations under the License. 16053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 17053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Projectpackage org.apache.james.mime4j.field.contenttype.parser; 18053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 19053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project/** 20053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This exception is thrown when parse errors are encountered. 21053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * You can explicitly create objects of this exception type by 22053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * calling the method generateParseException in the generated 23053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * parser. 24053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * 25053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * You can modify this class to customize your error reporting 26053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * mechanisms so long as you retain the public fields. 27053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 28053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Projectpublic class ParseException extends Exception { 29053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 30053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 31053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This constructor is used by the method "generateParseException" 32053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * in the generated parser. Calling this constructor generates 33053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * a new object of this type with the fields "currentToken", 34053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * "expectedTokenSequences", and "tokenImage" set. The boolean 35053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * flag "specialConstructor" is also set to true to indicate that 36053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * this constructor was used to create this object. 37053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This constructor calls its super class with the empty string 38053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * to force the "toString" method of parent class "Throwable" to 39053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * print the error message in the form: 40053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * ParseException: <result of getMessage> 41053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 42053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public ParseException(Token currentTokenVal, 43053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project int[][] expectedTokenSequencesVal, 44053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project String[] tokenImageVal 45053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project ) 46053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project { 47053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project super(""); 48053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project specialConstructor = true; 49053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project currentToken = currentTokenVal; 50053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project expectedTokenSequences = expectedTokenSequencesVal; 51053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project tokenImage = tokenImageVal; 52053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 53053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 54053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 55053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * The following constructors are for use by you for whatever 56053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * purpose you can think of. Constructing the exception in this 57053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * manner makes the exception behave in the normal way - i.e., as 58053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * documented in the class "Throwable". The fields "errorToken", 59053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * "expectedTokenSequences", and "tokenImage" do not contain 60053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * relevant information. The JavaCC generated code does not use 61053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * these constructors. 62053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 63053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 64053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public ParseException() { 65053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project super(); 66053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project specialConstructor = false; 67053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 68053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 69053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public ParseException(String message) { 70053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project super(message); 71053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project specialConstructor = false; 72053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 73053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 74053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 75053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This variable determines which constructor was used to create 76053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * this object and thereby affects the semantics of the 77053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * "getMessage" method (see below). 78053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 79053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project protected boolean specialConstructor; 80053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 81053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 82053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This is the last token that has been consumed successfully. If 83053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * this object has been created due to a parse error, the token 84053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * followng this token will (therefore) be the first error token. 85053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 86053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public Token currentToken; 87053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 88053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 89053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * Each entry in this array is an array of integers. Each array 90053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * of integers represents a sequence of tokens (by their ordinal 91053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * values) that is expected at this point of the parse. 92053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 93053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public int[][] expectedTokenSequences; 94053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 95053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 96053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This is a reference to the "tokenImage" array of the generated 97053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * parser within which the parse error occurred. This array is 98053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * defined in the generated ...Constants interface. 99053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 100053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public String[] tokenImage; 101053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 102053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 103053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * This method has the standard behavior when this object has been 104053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * created using the standard constructors. Otherwise, it uses 105053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * "currentToken" and "expectedTokenSequences" to generate a parse 106053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * error message and returns it. If this object has been created 107053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * due to a parse error, and you do not catch it (it gets thrown 108053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * from the parser), then this method is called during the printing 109053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * of the final stack trace, and hence the correct error message 110053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * gets displayed. 111053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 112053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project public String getMessage() { 113053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if (!specialConstructor) { 114053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project return super.getMessage(); 115053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 116053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project StringBuffer expected = new StringBuffer(); 117053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project int maxSize = 0; 118053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project for (int i = 0; i < expectedTokenSequences.length; i++) { 119053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if (maxSize < expectedTokenSequences[i].length) { 120053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project maxSize = expectedTokenSequences[i].length; 121053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 122053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project for (int j = 0; j < expectedTokenSequences[i].length; j++) { 123053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project expected.append(tokenImage[expectedTokenSequences[i][j]]).append(" "); 124053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 125053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) { 126053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project expected.append("..."); 127053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 128053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project expected.append(eol).append(" "); 129053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 130053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project String retval = "Encountered \""; 131053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project Token tok = currentToken.next; 132053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project for (int i = 0; i < maxSize; i++) { 133053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if (i != 0) retval += " "; 134053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if (tok.kind == 0) { 135053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += tokenImage[0]; 136053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project break; 137053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 138053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += add_escapes(tok.image); 139053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project tok = tok.next; 140053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 141053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn; 142053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += "." + eol; 143053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if (expectedTokenSequences.length == 1) { 144053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += "Was expecting:" + eol + " "; 145053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } else { 146053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += "Was expecting one of:" + eol + " "; 147053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 148053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval += expected.toString(); 149053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project return retval; 150053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 151053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 152053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 153053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * The end of line string for this machine. 154053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 155053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project protected String eol = System.getProperty("line.separator", "\n"); 156053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 157053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project /** 158053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * Used to convert raw characters to their escaped version 159053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * when these raw version cannot be used as part of an ASCII 160053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project * string literal. 161053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project */ 162053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project protected String add_escapes(String str) { 163053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project StringBuffer retval = new StringBuffer(); 164053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project char ch; 165053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project for (int i = 0; i < str.length(); i++) { 166053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project switch (str.charAt(i)) 167053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project { 168053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case 0 : 169053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 170053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\b': 171053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\b"); 172053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 173053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\t': 174053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\t"); 175053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 176053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\n': 177053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\n"); 178053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 179053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\f': 180053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\f"); 181053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 182053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\r': 183053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\r"); 184053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 185053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\"': 186053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\\""); 187053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 188053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\'': 189053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\\'"); 190053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 191053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project case '\\': 192053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\\\"); 193053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 194053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project default: 195053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) { 196053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project String s = "0000" + Integer.toString(ch, 16); 197053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append("\\u" + s.substring(s.length() - 4, s.length())); 198053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } else { 199053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project retval.append(ch); 200053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 201053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project continue; 202053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 203053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 204053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project return retval.toString(); 205053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project } 206053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project 207053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project} 208053d50935e0e311286543bd7c535ae2c863c0deThe Android Open Source Project