/* JSONParser.java */
/* Generated By:JavaCC: Do not edit this line. JSONParser.java */
/*
 * 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.tomcat.util.json;

Basic JSON parser generated by JavaCC. It consumes the input provided through the constructor when parseObject(), parseList(), or parse() are called, and there is no way to directly reset the state. /**
* Basic JSON parser generated by JavaCC. It consumes the input provided through the constructor when
* {@code parseObject()}, {@code parseList()}, or {@code parse()} are called, and there is no way to directly
* reset the state.
*/
@SuppressWarnings("all") // Ignore warnings in generated code
public class JSONParser implements JSONParserConstants {

    private boolean nativeNumbers = false;

    public JSONParser(String input) {
        this(new java.io.StringReader(input));
    }

    
Parses a JSON object into a Java Map. /**
     * Parses a JSON object into a Java {@code Map}.
     */
    public java.util.LinkedHashMap<String, Object> parseObject() throws ParseException {
        java.util.LinkedHashMap<String, Object> toReturn = object();
        if (!ensureEOF()) {
            throw new IllegalStateException("Expected EOF, but still had content to parse");
        }
        return toReturn;
    }

    
Parses a JSON array into a Java List. /**
     * Parses a JSON array into a Java {@code List}.
     */
    public java.util.ArrayList<Object> parseArray() throws ParseException {
        java.util.ArrayList<Object> toReturn = list();
        if (!ensureEOF()) {
            throw new IllegalStateException("Expected EOF, but still had content to parse");
        }
        return toReturn;
    }

    
Parses any JSON-parseable object, returning the value.
/**
     * Parses any JSON-parseable object, returning the value.
     */
    public Object parse() throws ParseException {
        Object toReturn = anything();
        if (!ensureEOF()) {
            throw new IllegalStateException("Expected EOF, but still had content to parse");
        }
        return toReturn;
    }

    private static String substringBefore(String str, char delim) {
        int pos = str.indexOf(delim);
        if (pos == -1) {
            return str;
        }
        return str.substring(0, pos);
    }

    public void setNativeNumbers(boolean value) {
        this.nativeNumbers = value;
    }

    public boolean getNativeNumbers() {
        return this.nativeNumbers;
    }

  final public boolean ensureEOF() throws ParseException {
    jj_consume_token(0);
{if ("" != null) return true;}
    throw new Error("Missing return statement in function");
}

  final public Object anything() throws ParseException {Object x;
    switch (jj_nt.kind) {
    case BRACE_OPEN:{
      x = object();
      break;
      }
    case BRACKET_OPEN:{
      x = list();
      break;
      }
    case NUMBER_INTEGER:
    case NUMBER_DECIMAL:
    case TRUE:
    case FALSE:
    case NULL:
    case STRING_SINGLE_EMPTY:
    case STRING_DOUBLE_EMPTY:
    case STRING_SINGLE_NONEMPTY:
    case STRING_DOUBLE_NONEMPTY:{
      x = value();
      break;
      }
    default:
      jj_la1[0] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
{if ("" != null) return x;}
    throw new Error("Missing return statement in function");
}

  final public String objectKey() throws ParseException {Object o;
    String key;
    switch (jj_nt.kind) {
    case STRING_SINGLE_EMPTY:
    case STRING_DOUBLE_EMPTY:
    case STRING_SINGLE_NONEMPTY:
    case STRING_DOUBLE_NONEMPTY:{
      key = string();
      break;
      }
    case SYMBOL:{
      key = symbol();
      break;
      }
    case NULL:{
      nullValue();
key = null;
      break;
      }
    case NUMBER_INTEGER:
    case NUMBER_DECIMAL:
    case TRUE:
    case FALSE:{
      switch (jj_nt.kind) {
      case TRUE:
      case FALSE:{
        o = booleanValue();
        break;
        }
      case NUMBER_INTEGER:
      case NUMBER_DECIMAL:{
        o = number();
        break;
        }
      default:
        jj_la1[1] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
key = o.toString();
      break;
      }
    default:
      jj_la1[2] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
{if ("" != null) return key;}
    throw new Error("Missing return statement in function");
}

  final public java.util.LinkedHashMap<String, Object> object() throws ParseException {final java.util.LinkedHashMap<String, Object> map = new java.util.LinkedHashMap<String, Object>();
    String key;
    Object value;
    jj_consume_token(BRACE_OPEN);
    switch (jj_nt.kind) {
    case NUMBER_INTEGER:
    case NUMBER_DECIMAL:
    case TRUE:
    case FALSE:
    case NULL:
    case STRING_SINGLE_EMPTY:
    case STRING_DOUBLE_EMPTY:
    case STRING_SINGLE_NONEMPTY:
    case STRING_DOUBLE_NONEMPTY:
    case SYMBOL:{
      key = objectKey();
      jj_consume_token(COLON);
      value = anything();
map.put(key, value);
key = null; value = null;
      label_1:
      while (true) {
        switch (jj_nt.kind) {
        case COMMA:{
          ;
          break;
          }
        default:
          jj_la1[3] = jj_gen;
          break label_1;
        }
        jj_consume_token(COMMA);
        key = objectKey();
        jj_consume_token(COLON);
        value = anything();
map.put(key, value);
key = null; value = null;
      }
      break;
      }
    default:
      jj_la1[4] = jj_gen;
      ;
    }
    jj_consume_token(BRACE_CLOSE);
{if ("" != null) return map;}
    throw new Error("Missing return statement in function");
}

  final public java.util.ArrayList<Object> list() throws ParseException {final java.util.ArrayList<Object> list = new java.util.ArrayList<Object>();
    Object value;
    jj_consume_token(BRACKET_OPEN);
    switch (jj_nt.kind) {
    case BRACE_OPEN:
    case BRACKET_OPEN:
    case NUMBER_INTEGER:
    case NUMBER_DECIMAL:
    case TRUE:
    case FALSE:
    case NULL:
    case STRING_SINGLE_EMPTY:
    case STRING_DOUBLE_EMPTY:
    case STRING_SINGLE_NONEMPTY:
    case STRING_DOUBLE_NONEMPTY:{
      value = anything();
list.add(value);
value = null;
      label_2:
      while (true) {
        switch (jj_nt.kind) {
        case COMMA:{
          ;
          break;
          }
        default:
          jj_la1[5] = jj_gen;
          break label_2;
        }
        jj_consume_token(COMMA);
        value = anything();
list.add(value);
value = null;
      }
      break;
      }
    default:
      jj_la1[6] = jj_gen;
      ;
    }
    jj_consume_token(BRACKET_CLOSE);
list.trimToSize();
        {if ("" != null) return list;}
    throw new Error("Missing return statement in function");
}

  final public Object value() throws ParseException {Object x;
    switch (jj_nt.kind) {
    case STRING_SINGLE_EMPTY:
    case STRING_DOUBLE_EMPTY:
    case STRING_SINGLE_NONEMPTY:
    case STRING_DOUBLE_NONEMPTY:{
      x = string();
      break;
      }
    case NUMBER_INTEGER:
    case NUMBER_DECIMAL:{
      x = number();
      break;
      }
    case TRUE:
    case FALSE:{
      x = booleanValue();
      break;
      }
    case NULL:{
      x = nullValue();
      break;
      }
    default:
      jj_la1[7] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
{if ("" != null) return x;}
    throw new Error("Missing return statement in function");
}

  final public Object nullValue() throws ParseException {
    jj_consume_token(NULL);
{if ("" != null) return null;}
    throw new Error("Missing return statement in function");
}

  final public Boolean booleanValue() throws ParseException {Boolean b;
    switch (jj_nt.kind) {
    case TRUE:{
      jj_consume_token(TRUE);
b = Boolean.TRUE;
      break;
      }
    case FALSE:{
      jj_consume_token(FALSE);
b = Boolean.FALSE;
      break;
      }
    default:
      jj_la1[8] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
{if ("" != null) return b;}
    throw new Error("Missing return statement in function");
}

  final public Number number() throws ParseException {Token t;
    switch (jj_nt.kind) {
    case NUMBER_DECIMAL:{
      t = jj_consume_token(NUMBER_DECIMAL);
if (nativeNumbers) {
                {if ("" != null) return Long.valueOf(t.image);}
            } else {
                {if ("" != null) return new java.math.BigDecimal(t.image);}
            }
      break;
      }
    case NUMBER_INTEGER:{
      t = jj_consume_token(NUMBER_INTEGER);
if (nativeNumbers) {
                {if ("" != null) return Double.valueOf(t.image);}
            } else {
                {if ("" != null) return new java.math.BigInteger(substringBefore(t.image, '.'));}
            }
      break;
      }
    default:
      jj_la1[9] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
}

  final public String string() throws ParseException {String s;
    switch (jj_nt.kind) {
    case STRING_DOUBLE_EMPTY:
    case STRING_DOUBLE_NONEMPTY:{
      s = doubleQuoteString();
      break;
      }
    case STRING_SINGLE_EMPTY:
    case STRING_SINGLE_NONEMPTY:{
      s = singleQuoteString();
      break;
      }
    default:
      jj_la1[10] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
{if ("" != null) return s;}
    throw new Error("Missing return statement in function");
}

  final public String doubleQuoteString() throws ParseException {
    switch (jj_nt.kind) {
    case STRING_DOUBLE_EMPTY:{
      jj_consume_token(STRING_DOUBLE_EMPTY);
{if ("" != null) return "";}
      break;
      }
    case STRING_DOUBLE_NONEMPTY:{
      jj_consume_token(STRING_DOUBLE_NONEMPTY);
String image = token.image;
            {if ("" != null) return image.substring(1, image.length() - 1);}
      break;
      }
    default:
      jj_la1[11] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
}

  final public String singleQuoteString() throws ParseException {
    switch (jj_nt.kind) {
    case STRING_SINGLE_EMPTY:{
      jj_consume_token(STRING_SINGLE_EMPTY);
{if ("" != null) return "";}
      break;
      }
    case STRING_SINGLE_NONEMPTY:{
      jj_consume_token(STRING_SINGLE_NONEMPTY);
String image = token.image;
            {if ("" != null) return image.substring(1, image.length() - 1);}
      break;
      }
    default:
      jj_la1[12] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
}

  final public String symbol() throws ParseException {
    jj_consume_token(SYMBOL);
{if ("" != null) return token.image;}
    throw new Error("Missing return statement in function");
}

  
Generated Token Manager. /** Generated Token Manager. */
  public JSONParserTokenManager token_source;
  JavaCharStream jj_input_stream;
  
Current token. /** Current token. */
  public Token token;
  
Next token. /** Next token. */
  public Token jj_nt;
  private int jj_gen;
  final private int[] jj_la1 = new int[13];
  static private int[] jj_la1_0;
  static {
	   jj_la1_init_0();
	}
	private static void jj_la1_init_0() {
	   jj_la1_0 = new int[] {0xccf8480,0x78000,0x1ccf8000,0x40,0x1ccf8000,0x40,0xccf8480,0xccf8000,0x60000,0x18000,0xcc00000,0x8800000,0x4400000,};
	}

  
Constructor with InputStream. /** Constructor with InputStream. */
  public JSONParser(java.io.InputStream stream) {
	  this(stream, null);
  }
  
Constructor with InputStream and supplied encoding /** Constructor with InputStream and supplied encoding */
  public JSONParser(java.io.InputStream stream, String encoding) {
	 try { jj_input_stream = new JavaCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
	 token_source = new JSONParserTokenManager(jj_input_stream);
	 token = new Token();
	 token.next = jj_nt = token_source.getNextToken();
	 jj_gen = 0;
	 for (int i = 0; i < 13; i++) jj_la1[i] = -1;
  }

  
Reinitialise. /** Reinitialise. */
  public void ReInit(java.io.InputStream stream) {
	  ReInit(stream, null);
  }
  
Reinitialise. /** 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();
	 token.next = jj_nt = token_source.getNextToken();
	 jj_gen = 0;
	 for (int i = 0; i < 13; i++) jj_la1[i] = -1;
  }

  
Constructor. /** Constructor. */
  public JSONParser(java.io.Reader stream) {
	 jj_input_stream = new JavaCharStream(stream, 1, 1);
	 token_source = new JSONParserTokenManager(jj_input_stream);
	 token = new Token();
	 token.next = jj_nt = token_source.getNextToken();
	 jj_gen = 0;
	 for (int i = 0; i < 13; i++) jj_la1[i] = -1;
  }

  
Reinitialise. /** Reinitialise. */
  public void ReInit(java.io.Reader stream) {
	if (jj_input_stream == null) {
	   jj_input_stream = new JavaCharStream(stream, 1, 1);
	} else {
	   jj_input_stream.ReInit(stream, 1, 1);
	}
	if (token_source == null) {
 token_source = new JSONParserTokenManager(jj_input_stream);
	}

	 token_source.ReInit(jj_input_stream);
	 token = new Token();
	 token.next = jj_nt = token_source.getNextToken();
	 jj_gen = 0;
	 for (int i = 0; i < 13; i++) jj_la1[i] = -1;
  }

  
Constructor with generated Token Manager. /** Constructor with generated Token Manager. */
  public JSONParser(JSONParserTokenManager tm) {
	 token_source = tm;
	 token = new Token();
	 token.next = jj_nt = token_source.getNextToken();
	 jj_gen = 0;
	 for (int i = 0; i < 13; i++) jj_la1[i] = -1;
  }

  
Reinitialise. /** Reinitialise. */
  public void ReInit(JSONParserTokenManager tm) {
	 token_source = tm;
	 token = new Token();
	 token.next = jj_nt = token_source.getNextToken();
	 jj_gen = 0;
	 for (int i = 0; i < 13; i++) jj_la1[i] = -1;
  }

  private Token jj_consume_token(int kind) throws ParseException {
	 Token oldToken = token;
	 if ((token = jj_nt).next != null) jj_nt = jj_nt.next;
	 else jj_nt = jj_nt.next = token_source.getNextToken();
	 if (token.kind == kind) {
	   jj_gen++;
	   return token;
	 }
	 jj_nt = token;
	 token = oldToken;
	 jj_kind = kind;
	 throw generateParseException();
  }


Get the next Token. /** Get the next Token. */
  final public Token getNextToken() {
	 if ((token = jj_nt).next != null) jj_nt = jj_nt.next;
	 else jj_nt = jj_nt.next = token_source.getNextToken();
	 jj_gen++;
	 return token;
  }

Get the specific 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 java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
  private int[] jj_expentry;
  private int jj_kind = -1;

  
Generate ParseException. /** Generate ParseException. */
  public ParseException generateParseException() {
	 jj_expentries.clear();
	 boolean[] la1tokens = new boolean[29];
	 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 < 29; 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);
  }

  private int trace_indent = 0;
  private boolean trace_enabled;

Trace enabled. /** Trace enabled. */
  final public boolean trace_enabled() {
	 return trace_enabled;
  }

  
Enable tracing. /** Enable tracing. */
  final public void enable_tracing() {
  }

  
Disable tracing. /** Disable tracing. */
  final public void disable_tracing() {
  }

}