/* Generated By:JavaCC: Do not edit this line. TurtleParser.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.jena.n3.turtle.parser ; import org.apache.jena.graph.* ; import org.apache.jena.n3.turtle.ParserBase ; public class TurtleParser extends ParserBase implements TurtleParserConstants { // --- Entry point final public void parse() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case BOM: jj_consume_token(BOM); break; default: jj_la1[0] = jj_gen; } label_1: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PREFIX: case BASE: case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case VAR: case LPAREN: case NIL: case LBRACE: case LBRACKET: case ANON: break; default: jj_la1[1] = jj_gen; break label_1; } Statement(); } jj_consume_token(0); } final public void Statement() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PREFIX: case BASE: Directive(); break; case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case VAR: case LPAREN: case NIL: case LBRACE: case LBRACKET: case ANON: TriplesSameSubject(); break; default: jj_la1[2] = jj_gen; jj_consume_token(-1); throw new ParseException(); } jj_consume_token(DOT); } final public void Directive() throws ParseException { Token t ; String iri ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PREFIX: jj_consume_token(PREFIX); t = jj_consume_token(PNAME_NS); iri = IRI_REF(); String s = fixupPrefix(t.image, t.beginLine, t.beginColumn) ; setPrefix(t.beginLine, t.beginColumn, s, iri) ; break; case BASE: t = jj_consume_token(BASE); iri = IRI_REF(); setBase(iri, t.beginLine, t.beginColumn) ; break; default: jj_la1[3] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } // ---- TRIPLES final public void TriplesSameSubject() throws ParseException { Node s ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case VAR: case NIL: case LBRACE: case ANON: s = VarOrTerm(); PropertyListNotEmpty(s); break; case LPAREN: case LBRACKET: // Any of the triple generating syntax elements s = TriplesNode(); PropertyList(s); break; default: jj_la1[4] = jj_gen; jj_consume_token(-1); throw new ParseException(); } } final public void PropertyList(Node s) throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case KW_A: case IRIref: case PNAME_NS: case PNAME_LN: case EQ: case ARROW: PropertyListNotEmpty(s); break; default: jj_la1[5] = jj_gen; } } // Non-recursive for Turtle long PropertyList tests final public void PropertyListNotEmpty(Node s) throws ParseException { Node p ; p = Verb(); ObjectList(s, p); label_2: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case SEMICOLON: break; default: jj_la1[6] = jj_gen; break label_2; } jj_consume_token(SEMICOLON); switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case KW_A: case IRIref: case PNAME_NS: case PNAME_LN: case EQ: case ARROW: p = Verb(); ObjectList(s, p); break; default: jj_la1[7] = jj_gen; } } } // Non-recursive for Turtle long PropertyList tests final public void ObjectList(Node s, Node p) throws ParseException { Object(s, p); label_3: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case COMMA: break; default: jj_la1[8] = jj_gen; break label_3; } jj_consume_token(COMMA); Object(s, p); } } final public void Object(Node s, Node p) throws ParseException { Node o ; o = GraphNode(); Triple t = new Triple(s,p,o) ; emitTriple(token.beginLine, token.beginColumn, t) ; } final public Node Verb() throws ParseException { Node p ; String iri ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case IRIref: case PNAME_NS: case PNAME_LN: iri = IRIref(); p = createNode(iri) ; break; case KW_A: jj_consume_token(KW_A); p = nRDFtype ; break; case EQ: jj_consume_token(EQ); p = nOwlSameAs ; if ( strictTurtle ) throwParseException("= (owl:sameAs) not legal in Turtle", token.beginLine, token.beginColumn ) ; break; case ARROW: jj_consume_token(ARROW); p = nLogImplies ; if ( strictTurtle ) throwParseException("=> (log:implies) not legal in Turtle", token.beginLine, token.beginColumn ) ; break; default: jj_la1[9] = jj_gen; jj_consume_token(-1); throw new ParseException(); } {if (true) return p ;} throw new Error("Missing return statement in function"); } // -------- Triple expansions // Anything that can stand in a node slot and which is // a number of triples final public Node TriplesNode() throws ParseException { Node n ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LPAREN: n = Collection(); {if (true) return n ;} break; case LBRACKET: n = BlankNodePropertyList(); {if (true) return n ;} break; default: jj_la1[10] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public Node BlankNodePropertyList() throws ParseException { jj_consume_token(LBRACKET); Node n = createBNode() ; PropertyListNotEmpty(n); jj_consume_token(RBRACKET); {if (true) return n ;} throw new Error("Missing return statement in function"); } // ------- RDF collections // Code not as SPARQL/ARQ because of output ordering. final public Node Collection() throws ParseException { Node listHead = nRDFnil ; Node lastCell = null ; Node n ; jj_consume_token(LPAREN); label_4: while (true) { Node cell = createBNode() ; if ( listHead == nRDFnil ) listHead = cell ; if ( lastCell != null ) emitTriple(token.beginLine, token.beginColumn, new Triple(lastCell, nRDFrest, cell)) ; n = GraphNode(); emitTriple(token.beginLine, token.beginColumn, new Triple(cell, nRDFfirst, n)) ; lastCell = cell ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case VAR: case LPAREN: case NIL: case LBRACE: case LBRACKET: case ANON: break; default: jj_la1[11] = jj_gen; break label_4; } } jj_consume_token(RPAREN); if ( lastCell != null ) emitTriple(token.beginLine, token.beginColumn, new Triple(lastCell, nRDFrest, nRDFnil)) ; {if (true) return listHead ;} throw new Error("Missing return statement in function"); } // -------- Nodes in a graph pattern or template final public Node GraphNode() throws ParseException { Node n ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case VAR: case NIL: case LBRACE: case ANON: n = VarOrTerm(); {if (true) return n ;} break; case LPAREN: case LBRACKET: n = TriplesNode(); {if (true) return n ;} break; default: jj_la1[12] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public Node VarOrTerm() throws ParseException { Node n = null ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case VAR: n = Var(); break; case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case NIL: case ANON: n = GraphTerm(); break; case LBRACE: n = Formula(); break; default: jj_la1[13] = jj_gen; jj_consume_token(-1); throw new ParseException(); } {if (true) return n ;} throw new Error("Missing return statement in function"); } final public Node Formula() throws ParseException { Token t ; t = jj_consume_token(LBRACE); startFormula(t.beginLine, t.beginColumn) ; TriplesSameSubject(); label_5: while (true) { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case DOT: break; default: jj_la1[14] = jj_gen; break label_5; } jj_consume_token(DOT); switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: case FALSE: case INTEGER: case DECIMAL: case DOUBLE: case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: case IRIref: case PNAME_NS: case PNAME_LN: case BLANK_NODE_LABEL: case VAR: case LPAREN: case NIL: case LBRACE: case LBRACKET: case ANON: TriplesSameSubject(); break; default: jj_la1[15] = jj_gen; } } t = jj_consume_token(RBRACE); endFormula(t.beginLine, t.beginColumn) ; {if (true) return null ;} throw new Error("Missing return statement in function"); } final public Node Var() throws ParseException { Token t ; t = jj_consume_token(VAR); {if (true) return createVariable(t.image, t.beginLine, t.beginColumn) ;} throw new Error("Missing return statement in function"); } final public Node GraphTerm() throws ParseException { Node n ; String iri ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case IRIref: case PNAME_NS: case PNAME_LN: iri = IRIref(); {if (true) return createNode(iri) ;} break; case STRING_LITERAL1: case STRING_LITERAL2: case STRING_LITERAL_LONG1: case STRING_LITERAL_LONG2: n = RDFLiteral(); {if (true) return n ;} break; case INTEGER: case DECIMAL: case DOUBLE: // Cleaner sign handling in Turtle. n = NumericLiteral(); {if (true) return n ;} break; case TRUE: case FALSE: n = BooleanLiteral(); {if (true) return n ;} break; case BLANK_NODE_LABEL: case ANON: n = BlankNode(); {if (true) return n ;} break; case NIL: jj_consume_token(NIL); {if (true) return nRDFnil ;} break; default: jj_la1[16] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } // ---- Basic terms final public Node NumericLiteral() throws ParseException { Token t ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case INTEGER: t = jj_consume_token(INTEGER); {if (true) return createLiteralInteger(t.image) ;} break; case DECIMAL: t = jj_consume_token(DECIMAL); {if (true) return createLiteralDecimal(t.image) ;} break; case DOUBLE: t = jj_consume_token(DOUBLE); {if (true) return createLiteralDouble(t.image) ;} break; default: jj_la1[17] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public Node RDFLiteral() throws ParseException { String lex = null ; lex = String(); String lang = null ; String dt = null ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PREFIX: case BASE: case LANGTAG: case DATATYPE: switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PREFIX: case BASE: case LANGTAG: lang = Langtag(); break; case DATATYPE: jj_consume_token(DATATYPE); dt = IRIref(); break; default: jj_la1[18] = jj_gen; jj_consume_token(-1); throw new ParseException(); } break; default: jj_la1[19] = jj_gen; } {if (true) return createLiteral(lex, lang, dt) ;} throw new Error("Missing return statement in function"); } final public String Langtag() throws ParseException { Token t ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case LANGTAG: t = jj_consume_token(LANGTAG); break; case PREFIX: case BASE: t = AnyDirective(); break; default: jj_la1[20] = jj_gen; jj_consume_token(-1); throw new ParseException(); } String lang = stripChars(t.image, 1) ; {if (true) return lang ;} throw new Error("Missing return statement in function"); } final public Token AnyDirective() throws ParseException { Token t ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PREFIX: t = jj_consume_token(PREFIX); break; case BASE: t = jj_consume_token(BASE); break; default: jj_la1[21] = jj_gen; jj_consume_token(-1); throw new ParseException(); } {if (true) return t ;} throw new Error("Missing return statement in function"); } final public Node BooleanLiteral() throws ParseException { switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case TRUE: jj_consume_token(TRUE); {if (true) return XSD_TRUE ;} break; case FALSE: jj_consume_token(FALSE); {if (true) return XSD_FALSE ;} break; default: jj_la1[22] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public String String() throws ParseException { Token t ; String lex ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case STRING_LITERAL1: t = jj_consume_token(STRING_LITERAL1); lex = stripQuotes(t.image) ; break; case STRING_LITERAL2: t = jj_consume_token(STRING_LITERAL2); lex = stripQuotes(t.image) ; break; case STRING_LITERAL_LONG1: t = jj_consume_token(STRING_LITERAL_LONG1); lex = stripQuotes3(t.image) ; break; case STRING_LITERAL_LONG2: t = jj_consume_token(STRING_LITERAL_LONG2); lex = stripQuotes3(t.image) ; break; default: jj_la1[23] = jj_gen; jj_consume_token(-1); throw new ParseException(); } lex = unescapeStr(lex, t.beginLine, t.beginColumn) ; {if (true) return lex ;} throw new Error("Missing return statement in function"); } final public String IRIref() throws ParseException { String iri ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case IRIref: iri = IRI_REF(); {if (true) return iri ;} break; case PNAME_NS: case PNAME_LN: iri = PrefixedName(); {if (true) return iri ;} break; default: jj_la1[24] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public String PrefixedName() throws ParseException { Token t ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case PNAME_LN: t = jj_consume_token(PNAME_LN); {if (true) return resolvePName(t.image, t.beginLine, t.beginColumn) ;} break; case PNAME_NS: t = jj_consume_token(PNAME_NS); {if (true) return resolvePName(t.image, t.beginLine, t.beginColumn) ;} break; default: jj_la1[25] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public Node BlankNode() throws ParseException { Token t = null ; switch ((jj_ntk==-1)?jj_ntk():jj_ntk) { case BLANK_NODE_LABEL: t = jj_consume_token(BLANK_NODE_LABEL); {if (true) return createBNode(t.image, t.beginLine, t.beginColumn) ;} break; case ANON: jj_consume_token(ANON); {if (true) return createBNode() ;} break; default: jj_la1[26] = jj_gen; jj_consume_token(-1); throw new ParseException(); } throw new Error("Missing return statement in function"); } final public String IRI_REF() throws ParseException { Token t ; t = jj_consume_token(IRIref); {if (true) return resolveQuotedIRI(t.image, t.beginLine, t.beginColumn) ;} throw new Error("Missing return statement in function"); } /** Generated Token Manager. */ public TurtleParserTokenManager token_source; JavaCharStream 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[27]; static private int[] jj_la1_0; static private int[] jj_la1_1; static private int[] jj_la1_2; static { jj_la1_init_0(); jj_la1_init_1(); jj_la1_init_2(); } private static void jj_la1_init_0() { jj_la1_0 = new int[] {0x0,0xde1fc000,0xde1fc000,0xc000,0xde1f0000,0xc0002000,0x0,0xc0002000,0x0,0xc0002000,0x0,0xde1f0000,0xde1f0000,0xde1f0000,0x0,0xde1f0000,0xde1f0000,0x1c0000,0xc000,0xc000,0xc000,0xc000,0x30000,0x1e000000,0xc0000000,0x80000000,0x0,}; } private static void jj_la1_init_1() { jj_la1_1 = new int[] {0x4000000,0x2b47,0x2b47,0x0,0x2b47,0x60001,0x4000,0x60001,0x8000,0x60001,0x840,0x2b47,0x2b47,0x2307,0x10000,0x2b47,0x2103,0x0,0x8000008,0x8000008,0x8,0x0,0x0,0x0,0x1,0x1,0x2002,}; } private static void jj_la1_init_2() { jj_la1_2 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,}; } /** Constructor with InputStream. */ public TurtleParser(java.io.InputStream stream) { this(stream, null); } /** Constructor with InputStream and supplied encoding */ public TurtleParser(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 TurtleParserTokenManager(jj_input_stream); token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 27; 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 < 27; i++) jj_la1[i] = -1; } /** Constructor. */ public TurtleParser(java.io.Reader stream) { jj_input_stream = new JavaCharStream(stream, 1, 1); token_source = new TurtleParserTokenManager(jj_input_stream); token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 27; 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 < 27; i++) jj_la1[i] = -1; } /** Constructor with generated Token Manager. */ public TurtleParser(TurtleParserTokenManager tm) { token_source = tm; token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 27; i++) jj_la1[i] = -1; } /** Reinitialise. */ public void ReInit(TurtleParserTokenManager tm) { token_source = tm; token = new Token(); jj_ntk = -1; jj_gen = 0; for (int i = 0; i < 27; 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<>(); private int[] jj_expentry; private int jj_kind = -1; /** Generate ParseException. */ public ParseException generateParseException() { jj_expentries.clear(); boolean[] la1tokens = new boolean[68]; if (jj_kind >= 0) { la1tokens[jj_kind] = true; jj_kind = -1; } for (int i = 0; i < 27; 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; } if ((jj_la1_1[i] & (1<<j)) != 0) { la1tokens[32+j] = true; } if ((jj_la1_2[i] & (1<<j)) != 0) { la1tokens[64+j] = true; } } } } for (int i = 0; i < 68; 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() { } }