/* Generated By:JavaCC: Do not edit this line. ContentLanguageParser.java */
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* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
* specific language governing permissions and limitations *
* under the License. *
****************************************************************/
package org.apache.james.mime4j.field.language.parser;
import java.util.ArrayList;
import java.util.List;
public class ContentLanguageParser implements ContentLanguageParserConstants {
private List<String> languages = new ArrayList<String>();
/**
* Parses the input into a list of language tags.
* @return list of language tag Strings
*/
public List<String> parse() throws ParseException {
try {
return doParse();
} catch (TokenMgrError e) {
// An issue with the TOKENiser
// but it's not polite to throw an Error
// when executing on a server
throw new ParseException(e);
}
}
final private List<String> doParse() throws ParseException {
language();
label_1:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 1:
;
break;
default:
jj_la1[0] = jj_gen;
break label_1;
}
jj_consume_token(1);
language();
}
{if (true) return languages;}
throw new Error("Missing return statement in function");
}
final public String language() throws ParseException {
Token token;
StringBuffer languageTag = new StringBuffer();
String result;
token = jj_consume_token(ALPHA);
languageTag.append(token.image);
label_2:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 2:
case ALPHANUM:
;
break;
default:
jj_la1[1] = jj_gen;
break label_2;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case 2:
jj_consume_token(2);
// This keeps TOKENising simple
token = jj_consume_token(ALPHA);
languageTag.append('-');
languageTag.append(token.image);
break;
case ALPHANUM:
token = jj_consume_token(ALPHANUM);
languageTag.append('-');
languageTag.append(token.image);
break;
default:
jj_la1[2] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
result = languageTag.toString();
languages.add(result);
{if (true) return result;}
throw new Error("Missing return statement in function");
}
/** Generated Token Manager. */
public ContentLanguageParserTokenManager token_source;
SimpleCharStream jj_input_stream;
/** Current token. */
public Token token;
/** Next token. */
public Token jj_nt;
private int jj_ntk;
private int jj_gen;
final private int[] jj_la1 = new int[3];
static private int[] jj_la1_0;
static {
jj_la1_init_0();
}
private static void jj_la1_init_0() {
jj_la1_0 = new int[] {0x2,0x80004,0x80004,};
}
/** Constructor with InputStream. */
public ContentLanguageParser(java.io.InputStream stream) {
this(stream, null);
}
/** Constructor with InputStream and supplied encoding */
public ContentLanguageParser(java.io.InputStream stream, String encoding) {
try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source = new ContentLanguageParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 3; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream) {
ReInit(stream, null);
}
/** Reinitialise. */
public void ReInit(java.io.InputStream stream, String encoding) {
try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 3; i++) jj_la1[i] = -1;
}
/** Constructor. */
public ContentLanguageParser(java.io.Reader stream) {
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new ContentLanguageParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 3; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(java.io.Reader stream) {
jj_input_stream.ReInit(stream, 1, 1);
token_source.ReInit(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 3; i++) jj_la1[i] = -1;
}
/** Constructor with generated Token Manager. */
public ContentLanguageParser(ContentLanguageParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 3; i++) jj_la1[i] = -1;
}
/** Reinitialise. */
public void ReInit(ContentLanguageParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 3; i++) jj_la1[i] = -1;
}
private Token jj_consume_token(int kind) throws ParseException {
Token oldToken;
if ((oldToken = token).next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
if (token.kind == kind) {
jj_gen++;
return token;
}
token = oldToken;
jj_kind = kind;
throw generateParseException();
}
/** Get the next Token. */
final public Token getNextToken() {
if (token.next != null) token = token.next;
else token = token.next = token_source.getNextToken();
jj_ntk = -1;
jj_gen++;
return token;
}
/** Get the specific Token. */
final public Token getToken(int index) {
Token t = token;
for (int i = 0; i < index; i++) {
if (t.next != null) t = t.next;
else t = t.next = token_source.getNextToken();
}
return t;
}
private int jj_ntk() {
if ((jj_nt=token.next) == null)
return (jj_ntk = (token.next=token_source.getNextToken()).kind);
else
return (jj_ntk = jj_nt.kind);
}
private java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
private int[] jj_expentry;
private int jj_kind = -1;
/** Generate ParseException. */
public ParseException generateParseException() {
jj_expentries.clear();
boolean[] la1tokens = new boolean[23];
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 3; i++) {
if (jj_la1[i] == jj_gen) {
for (int j = 0; j < 32; j++) {
if ((jj_la1_0[i] & (1<<j)) != 0) {
la1tokens[j] = true;
}
}
}
}
for (int i = 0; i < 23; i++) {
if (la1tokens[i]) {
jj_expentry = new int[1];
jj_expentry[0] = i;
jj_expentries.add(jj_expentry);
}
}
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++) {
exptokseq[i] = jj_expentries.get(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
/** Enable tracing. */
final public void enable_tracing() {
}
/** Disable tracing. */
final public void disable_tracing() {
}
}