/* Generated By:JavaCC: Do not edit this line. DTDInitialParser.java */
package org.exolab.castor.xml.dtd.parser;
import java.util.Hashtable;
import org.exolab.castor.xml.dtd.DTDException;
/**
* Initial XML DTD parser. Searches for <b>parameter entity</b> declarations
* and substitutes <b>parameter entity references</b> by
* corresponding <b>replacement text</b>.
* @author <a href="mailto:totok@intalio.com">Alexander Totok</a>
* @version $Revision$ $Date: 2006-04-14 04:14:43 -0600 (Fri, 14 Apr 2006) $
*/
public class DTDInitialParser implements DTDInitialParserConstants {
/**
* Main method that starts parsing process.
* @return result of the parsing process - document with parameter entity
* references expaned.
*/
final public String Input() throws ParseException, DTDException {
Hashtable parameterEntities = new Hashtable();
String result = "";
Token token;
String peReference;
String key;
String value;
label_1:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case TEXT_UNIT:
case BEGIN_PE_DECL:
case PE_REFERENCE_D:
break;
default:
jj_la1[0] = jj_gen;
break label_1;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case TEXT_UNIT:
token = jj_consume_token(TEXT_UNIT);
result += token.image;
break;
case PE_REFERENCE_D:
token = jj_consume_token(PE_REFERENCE_D);
peReference = token.image;
key = peReference.substring(1,peReference.length()-1);
value = (String)parameterEntities.get(key);
if ( value == null ) {
String err = "Initial Parser: parameter entity named \"" + key;
err += "\" has not been defined, while is tried to be referenced...";
{if (true) throw new DTDException(err);}
} else {
result += value;
}
break;
case BEGIN_PE_DECL:
PEdecl(parameterEntities);
break;
default:
jj_la1[1] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
jj_consume_token(0);
{if (true) return result;}
throw new Error("Missing return statement in function");
}
/**
* Parsing procedure corresponding to the <b>Parameter Entity Declaration</b>
* nonterminal.
*/
final public void PEdecl(Hashtable parameterEntities) throws ParseException, DTDException {
Token token;
String name;
String replacementText;
jj_consume_token(BEGIN_PE_DECL);
token = jj_consume_token(NAME_OF_PE);
name = token.image;
if (parameterEntities.containsKey(name)) {
String err = "Initial Parser: parameter entity named \"" + name;
err += "\" has been already defined, while is tried ";
err += "to be defined again...";
{if (true) throw new DTDException(err);}
}
jj_consume_token(SPACE);
replacementText = EntityValue(parameterEntities);
parameterEntities.put(name,replacementText);
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case SPACE:
jj_consume_token(SPACE);
break;
default:
jj_la1[2] = jj_gen;
}
jj_consume_token(END_PE_DECL);
}
/**
* Parsing procedure corresponding to the <b>Entity Value</b> nonterminal.
*/
final public String EntityValue(Hashtable parameterEntities) throws ParseException, DTDException {
Token token;
String peReference;
String key;
String value;
String replacementText = "";
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case START_DQ:
jj_consume_token(START_DQ);
label_2:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ENTITY_VALUE_TEXT_DQ:
case PE_REFERENCE_DQ:
break;
default:
jj_la1[3] = jj_gen;
break label_2;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ENTITY_VALUE_TEXT_DQ:
token = jj_consume_token(ENTITY_VALUE_TEXT_DQ);
replacementText += token.image;
break;
case PE_REFERENCE_DQ:
token = jj_consume_token(PE_REFERENCE_DQ);
peReference = token.image;
key = peReference.substring(1,peReference.length()-1);
value = (String)parameterEntities.get(key);
if ( value == null ) {
String err = "Initial Parser: parameter entity named \"" + key;
err += "\" has not been defined, while is tried to be referenced...";
{if (true) throw new DTDException(err);}
} else {
replacementText += value;
}
break;
default:
jj_la1[4] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
jj_consume_token(END_DQ);
break;
case START_SQ:
jj_consume_token(START_SQ);
label_3:
while (true) {
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ENTITY_VALUE_TEXT_SQ:
case PE_REFERENCE_SQ:
break;
default:
jj_la1[5] = jj_gen;
break label_3;
}
switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
case ENTITY_VALUE_TEXT_SQ:
token = jj_consume_token(ENTITY_VALUE_TEXT_SQ);
replacementText += token.image;
break;
case PE_REFERENCE_SQ:
token = jj_consume_token(PE_REFERENCE_SQ);
peReference = token.image;
key = peReference.substring(1,peReference.length()-1);
value = (String)parameterEntities.get(key);
if ( value == null ) {
String err = "Initial Parser: parameter entity named \"" + key;
err += "\" has not been defined, while is tried to be referenced...";
{if (true) throw new DTDException(err);}
} else {
replacementText += value;
}
break;
default:
jj_la1[6] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
}
jj_consume_token(END_SQ);
break;
default:
jj_la1[7] = jj_gen;
jj_consume_token(-1);
throw new ParseException();
}
{if (true) return replacementText;}
throw new Error("Missing return statement in function");
}
public DTDInitialParserTokenManager token_source;
public Token token, jj_nt;
private int jj_ntk;
private int jj_gen;
final private int[] jj_la1 = new int[8];
final private int[] jj_la1_0 = {0x700,0x700,0x1000,0x30000,0x30000,0x180000,0x180000,0x6000,};
public DTDInitialParser(CharStream stream) {
token_source = new DTDInitialParserTokenManager(stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
public void ReInit(CharStream stream) {
token_source.ReInit(stream);
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
public DTDInitialParser(DTDInitialParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; i++) jj_la1[i] = -1;
}
public void ReInit(DTDInitialParserTokenManager tm) {
token_source = tm;
token = new Token();
jj_ntk = -1;
jj_gen = 0;
for (int i = 0; i < 8; 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);
}
return (jj_ntk = jj_nt.kind);
}
private java.util.Vector jj_expentries = new java.util.Vector();
private int[] jj_expentry;
private int jj_kind = -1;
final public ParseException generateParseException() {
jj_expentries.removeAllElements();
boolean[] la1tokens = new boolean[22];
for (int i = 0; i < 22; i++) {
la1tokens[i] = false;
}
if (jj_kind >= 0) {
la1tokens[jj_kind] = true;
jj_kind = -1;
}
for (int i = 0; i < 8; 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 < 22; 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() {
}
}