/* Generated By:JavaCC: Do not edit this line. JavaccJsonParser.java */
/*
* Copyright 2005 Joe Walker
*
* Licensed 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.directwebremoting.json.parse.javacc;
import java.io.Reader;
import java.io.StringReader;
import org.directwebremoting.json.parse.JsonDecoder;
import org.directwebremoting.json.parse.JsonParseException;
import org.directwebremoting.json.parse.JsonParser;
/**
* Produced by JavaCC from JavaccJsonParser.jj
* @author Joe Walker [joe at getahead dot org]
*/
@SuppressWarnings("all")
public class JavaccJsonParser implements JsonParser, JavaccJsonParserConstants
{
/**
* This constructor does not create a ready-to-roll parser. One of the
* {@link #ReInit} methods should be called first.
*/
public JavaccJsonParser()
{
this(new StringReader(""));
}
/* (non-Javadoc)
* @see org.directwebremoting.json.parse.JsonParser#parse(java.io.Reader, org.directwebremoting.json.parse.JsonDecoder)
*/
public Object parse(Reader reader, JsonDecoder decoder) throws JsonParseException
{
ReInit(reader);
try
{
top(decoder);
}
catch (TokenMgrError ex)
{
throw new JsonParseException(ex.getMessage());
}
return decoder.getRoot();
}
final public void top(JsonDecoder decoder) throws ParseException, JsonParseException
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case 12:
object(decoder, null);
break;
case 16:
array(decoder, null);
break;
default:
jj_la1[0] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final public void object(JsonDecoder decoder, String propertyName) throws ParseException, JsonParseException
{
decoder.beginObject(propertyName);
jj_consume_token(12);
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case QUOTE:
pair(decoder);
label_1: while (true)
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case 13:
;
break;
default:
jj_la1[1] = jj_gen;
break label_1;
}
jj_consume_token(13);
pair(decoder);
}
break;
default:
jj_la1[2] = jj_gen;
;
}
jj_consume_token(14);
decoder.endObject(propertyName);
}
final public void pair(JsonDecoder decoder) throws ParseException, JsonParseException
{
String propertyName;
propertyName = propertyName();
jj_consume_token(15);
value(decoder, propertyName);
}
final public void array(JsonDecoder decoder, String propertyName) throws ParseException, JsonParseException
{
decoder.beginArray(propertyName);
jj_consume_token(16);
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case DIGITS:
case QUOTE:
case 12:
case 16:
case 18:
case 19:
case 20:
case 21:
value(decoder, null);
label_2: while (true)
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case 13:
;
break;
default:
jj_la1[3] = jj_gen;
break label_2;
}
jj_consume_token(13);
value(decoder, null);
}
break;
default:
jj_la1[4] = jj_gen;
;
}
jj_consume_token(17);
decoder.endArray(propertyName);
}
final public void value(JsonDecoder decoder, String propertyName) throws ParseException, JsonParseException
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case QUOTE:
string(decoder, propertyName);
break;
case DIGITS:
case 21:
number(decoder, propertyName);
break;
case 12:
object(decoder, propertyName);
break;
case 16:
array(decoder, propertyName);
break;
case 18:
case 19:
case 20:
literal(decoder, propertyName);
break;
default:
jj_la1[5] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final public void literal(JsonDecoder decoder, String propertyName) throws ParseException, JsonParseException
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case 18:
jj_consume_token(18);
decoder.addBoolean(propertyName, true);
break;
case 19:
jj_consume_token(19);
decoder.addBoolean(propertyName, false);
break;
case 20:
jj_consume_token(20);
decoder.addNull(propertyName);
break;
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
final public void number(JsonDecoder decoder, String propertyName) throws ParseException, JsonParseException
{
String intPart = null;
String floatPart = null;
String expPart = null;
intPart = getIntPart();
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case 22:
floatPart = getFloatPart();
break;
default:
jj_la1[7] = jj_gen;
;
}
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case E:
expPart = getExpPart();
break;
default:
jj_la1[8] = jj_gen;
;
}
decoder.addNumber(propertyName, intPart, floatPart, expPart);
// This is can help to reduce memory consumption
intPart = null;
floatPart = null;
expPart = null;
}
final public String getIntPart() throws ParseException, JsonParseException
{
String digits;
boolean negative = false;
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case 21:
jj_consume_token(21);
negative = true;
break;
default:
jj_la1[9] = jj_gen;
;
}
digits = getDigits();
if (negative)
{
{
if (true)
{
return "-" + digits;
}
}
}
{
if (true)
{
return digits;
}
}
throw new Error("Missing return statement in function");
}
final public String getFloatPart() throws ParseException, JsonParseException
{
String digits;
jj_consume_token(22);
digits = getDigits();
{
if (true)
{
return "." + digits;
}
}
throw new Error("Missing return statement in function");
}
final public String getExpPart() throws ParseException, JsonParseException
{
Token t;
String digits;
t = jj_consume_token(E);
digits = getDigits();
{
if (true)
{
return t.image + digits;
}
}
throw new Error("Missing return statement in function");
}
final public String getDigits() throws ParseException, JsonParseException
{
Token t;
t = jj_consume_token(DIGITS);
{
if (true)
{
return t.image;
}
}
throw new Error("Missing return statement in function");
}
final public String propertyName() throws ParseException, JsonParseException
{
StringBuilder builder = new StringBuilder();
jj_consume_token(QUOTE);
label_3: while (true)
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case CHAR:
case CNTRL_ESC:
case HEX_ESC:
;
break;
default:
jj_la1[10] = jj_gen;
break label_3;
}
getChar(builder);
}
jj_consume_token(ENDQUOTE);
{
if (true)
{
return builder.toString();
}
}
throw new Error("Missing return statement in function");
}
final public void string(JsonDecoder decoder, String propertyName) throws ParseException, JsonParseException
{
StringBuilder builder = new StringBuilder();
jj_consume_token(QUOTE);
label_4: while (true)
{
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case CHAR:
case CNTRL_ESC:
case HEX_ESC:
;
break;
default:
jj_la1[11] = jj_gen;
break label_4;
}
getChar(builder);
}
jj_consume_token(ENDQUOTE);
decoder.addString(propertyName, builder.toString());
}
final public void getChar(StringBuilder builder) throws ParseException
{
Token t;
switch ((jj_ntk == -1) ? jj_ntk() : jj_ntk)
{
case CHAR:
t = jj_consume_token(CHAR);
break;
case CNTRL_ESC:
t = jj_consume_token(CNTRL_ESC);
break;
case HEX_ESC:
t = jj_consume_token(HEX_ESC);
break;
default:
jj_la1[12] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
if (t.image.length() < 2)
{
builder.append(t.image.charAt(0));
}
else if (t.image.length() < 6)
{
char c = t.image.charAt(1);
switch (c)
{
case 'b':
builder.append((char) 8);
break;
case 'f':
builder.append((char) 12);
break;
case 'n':
builder.append((char) 10);
break;
case 'r':
builder.append((char) 13);
break;
case 't':
builder.append((char) 9);
break;
default:
builder.append(c);
}
}
else
{
// hex escape code
int i = Integer.valueOf(t.image.substring(2, 6), 16).intValue();
builder.append((char) i);
}
}
public JavaccJsonParserTokenManager token_source;
SimpleCharStream jj_input_stream;
public Token token, jj_nt;
private int jj_ntk;
private int jj_gen;
final private int[] jj_la1 = new int[13];
static private int[] jj_la1_0;
static
{
jj_la1_0();
}
private static void jj_la1_0()
{
jj_la1_0 = new int[] { 0x11000, 0x2000, 0x10, 0x2000, 0x3d1018, 0x3d1018, 0x1c0000, 0x400000, 0x4, 0x200000, 0x980, 0x980, 0x980, };
}
public JavaccJsonParser(java.io.InputStream stream)
{
this(stream, null);
}
public JavaccJsonParser(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 JavaccJsonParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 13; i++)
{
jj_la1[i] = -1;
}
}
public void ReInit(java.io.InputStream stream)
{
ReInit(stream, null);
}
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 < 13; i++)
{
jj_la1[i] = -1;
}
}
public JavaccJsonParser(java.io.Reader stream)
{
jj_input_stream = new SimpleCharStream(stream, 1, 1);
token_source = new JavaccJsonParserTokenManager(jj_input_stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 13; i++)
{
jj_la1[i] = -1;
}
}
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 < 13; i++)
{
jj_la1[i] = -1;
}
}
public JavaccJsonParser(JavaccJsonParserTokenManager tm)
{
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 13; i++)
{
jj_la1[i] = -1;
}
}
public void ReInit(JavaccJsonParserTokenManager tm)
{
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 13; i++)
{
jj_la1[i] = -1;
}
}
final 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();
}
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;
}
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;
}
final 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 final java.util.Vector<int[]> jj_expentries = new java.util.Vector<int[]>();
private int[] jj_expentry;
private int jj_kind = -1;
public ParseException generateParseException()
{
jj_expentries.removeAllElements();
boolean[] la1tokens = new boolean[23];
for (int i = 0; i < 23; i++)
{
la1tokens[i] = false;
}
if (jj_kind >= 0)
{
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 13; 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.addElement(jj_expentry);
}
}
int[][] exptokseq = new int[jj_expentries.size()][];
for (int i = 0; i < jj_expentries.size(); i++)
{
exptokseq[i] = (int[]) jj_expentries.elementAt(i);
}
return new ParseException(token, exptokseq, tokenImage);
}
final public void enable_tracing()
{
}
final public void disable_tracing()
{
}
}