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commit 5bffbb5a194c37bd6a21efbd0736fa72bf1c34b6 Author: Hasan <[email protected]> AuthorDate: Wed Nov 14 04:20:17 2018 +0100 CLEREZZA-1026: Remove sparql parser generator in rdf.core --- .../rdf/core/sparql/JavaCCGeneratedQueryParser.jj | 1284 ---------- .../core/sparql/JavaCCGeneratedSparqlPreParser.jj | 2556 -------------------- 2 files changed, 3840 deletions(-) diff --git a/rdf/core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedQueryParser.jj b/rdf/core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedQueryParser.jj deleted file mode 100644 index c41426e..0000000 --- a/rdf/core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedQueryParser.jj +++ /dev/null @@ -1,1284 +0,0 @@ -/* - * 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. - */ -options -{ - STATIC=false; - SUPPORT_CLASS_VISIBILITY_PUBLIC=false; - UNICODE_INPUT=true; - IGNORE_CASE=false; - JAVA_UNICODE_ESCAPE=false; - DEBUG_PARSER=false; - JDK_VERSION="1.6"; -} - -PARSER_BEGIN(JavaCCGeneratedQueryParser) - -package org.apache.clerezza.rdf.core.sparql; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.LinkedHashSet; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.regex.Matcher; -import java.util.regex.Pattern; -import org.apache.clerezza.commons.rdf.BlankNode; -import org.apache.clerezza.commons.rdf.Language; -import org.apache.clerezza.commons.rdf.Literal; -import org.apache.clerezza.commons.rdf.RDFTerm; -import org.apache.clerezza.commons.rdf.IRI; -import org.apache.clerezza.rdf.core.LiteralFactory; -import org.apache.clerezza.commons.rdf.impl.utils.PlainLiteralImpl; -import org.apache.clerezza.commons.rdf.impl.utils.TypedLiteralImpl; -import org.apache.clerezza.rdf.core.sparql.query.GroupGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.BinaryOperation; -import org.apache.clerezza.rdf.core.sparql.query.Variable; -import org.apache.clerezza.rdf.core.sparql.query.ResourceOrVariable; -import org.apache.clerezza.rdf.core.sparql.query.UriRefOrVariable; -import org.apache.clerezza.rdf.core.sparql.query.FunctionCall; -import org.apache.clerezza.rdf.core.sparql.query.TriplePattern; -import org.apache.clerezza.rdf.core.sparql.query.Query; -import org.apache.clerezza.rdf.core.sparql.query.LiteralExpression; -import org.apache.clerezza.rdf.core.sparql.query.AlternativeGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.BuiltInCall; -import org.apache.clerezza.rdf.core.sparql.query.Expression; -import org.apache.clerezza.rdf.core.sparql.query.UriRefExpression; -import org.apache.clerezza.rdf.core.sparql.query.UnaryOperation; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleAlternativeGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleAskQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleConstructQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleDescribeQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGraphGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleOrderCondition; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQueryWithSolutionModifier; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleSelectQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleTriplePattern; - -/** - * - * Credits: Fedora Commons, Inc. - * - for initial grammar of this file (available in mulgara project). - * Modified by: Hasan <[email protected]> - */ -class JavaCCGeneratedQueryParser { - - private static final IRI RDF_TYPE = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type";); - private static final IRI RDF_FIRST = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#first";); - private static final IRI RDF_REST = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest";); - private static final IRI RDF_NIL = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil";); - - /** A RegEx pattern for separating out a namespace from a prefixed name. */ - private static final Pattern pfxNamePattern = Pattern.compile("([^:]*):(.*)"); - - private Query query; - private String base; - private Map<String, String> prefixes; - private Map<String, ResourceOrVariable> bNodes; - private int count; - private Map<String, Variable> vars; - - void initialize() { - query = null; - base = null; - prefixes = new HashMap<String, String>(); - bNodes = new HashMap<String, ResourceOrVariable>(); - count = 0; - vars = new HashMap<String, Variable>(); - } - - Query parse() throws ParseException { - initialize(); - this.Query(); - return this.query; - } - - private static String unquote(String s) { - return s.substring(1, s.length() - 1); - } - - private static String unTripleQuote(String s) { - return s.substring(3, s.length() - 3); - } - - private Variable getVariable(String name) { - name = name.substring(1); - Variable v = vars.get(name); - if (v == null) { - v = new Variable(name); - vars.put(name, v); - if (query instanceof SimpleSelectQuery) { - SimpleSelectQuery sq = (SimpleSelectQuery) query; - if (sq.isSelectAll()) { - sq.addSelection(v); - } - } else if (query instanceof SimpleDescribeQuery) { - SimpleDescribeQuery dq = (SimpleDescribeQuery) query; - if (dq.isDescribeAll()) { - dq.addResourceToDescribe(new ResourceOrVariable(v)); - } - } - } - return v; - } - - private void addTriplePatterns(Set<TriplePattern> triplePatterns, - ResourceOrVariable subject, - UriRefOrVariable predicate, - Set<ResourceOrVariable> objects) { - - for (ResourceOrVariable object : objects) { - triplePatterns.add( - new SimpleTriplePattern(subject, predicate, object)); - } - } - - // nodes contain at least one element - private ResourceOrVariable addTriplePatterns( - Set<TriplePattern> triplePatterns, - List<ResourceOrVariable> nodes) { - - ResourceOrVariable head = null; - UriRefOrVariable rdfFirst = new UriRefOrVariable(RDF_FIRST); - UriRefOrVariable rdfRest = new UriRefOrVariable(RDF_REST); - UriRefOrVariable rdfNil = new UriRefOrVariable(RDF_NIL); - - ResourceOrVariable prevSubject = null; - for (ResourceOrVariable node : nodes) { - ResourceOrVariable currentSubject = getNewBNode(); - if (prevSubject != null) { - triplePatterns.add( - new SimpleTriplePattern(prevSubject, rdfRest, currentSubject)); - } else { - head = currentSubject; - } - triplePatterns.add( - new SimpleTriplePattern(currentSubject, rdfFirst, node)); - prevSubject = currentSubject; - } - if (prevSubject != null) { - triplePatterns.add( - new SimpleTriplePattern(prevSubject, rdfRest, rdfNil)); - } - return head; - } - - private ResourceOrVariable getNewBNode() { - ResourceOrVariable bNode = new ResourceOrVariable(new BlankNode()); - bNodes.put("*" + count++, bNode); - return bNode; - } - - private ResourceOrVariable getBNode(String label) { - ResourceOrVariable bNode = bNodes.get(label); - if (bNode == null) { - bNode = new ResourceOrVariable(new BlankNode()); - bNodes.put(label, bNode); - } - return bNode; - } - - private IRI createUriRef(String r) throws ParseException { - // Create an IRI directly if the string does not start with a prefix - Matcher m = pfxNamePattern.matcher(r); - if (!m.matches()) { - // either a normal IRI, or one with a BASE - return isRelative(r) ? new IRI(base + r) : new IRI(r); - } - // extract the prefix, and attempt to convert to a URI before creating the reference - String ns = prefixes.get(m.group(1)); - return ns == null ? new IRI(r) : new IRI(ns + m.group(2)); - } - - /** - * Tests if the string for a URI is relative or absolute. The test is based on a scheme existing - * in the string, which in turn expects a : character to follow it. If there is no colon, then - * it is presumed to be relative. Otherwise, if there are special characters preceding the first - * colon these are presumed to not be in a scheme. - * @param u A string for a URI. - * @return <code>true</code> if the URI appears to be relative, <code>false</code> otherwise. - */ - private static boolean isRelative(String u) { - int colon = u.indexOf(':'); - if (colon < 0) { - return true; - } - for (int c = 0; c < colon; c++) { - // if there a non-alphanum characters then this is not a scheme, so the URI is relative - if (!Character.isLetterOrDigit(u.charAt(c))) { - return true; - } - } - // found a (probably) valid scheme, so the URI is absolute - return false; - } -} -PARSER_END(JavaCCGeneratedQueryParser) - -SKIP : -{ - "\t" | "\n" | "\r" | "\f" | " " -} - -MORE : -{ - "#" : IN_COMMENT -} - -<IN_COMMENT> -SPECIAL_TOKEN : -{ - <COMMENT: ( ~[ "\r","\n" ] )* > : DEFAULT -} - -TOKEN [IGNORE_CASE] : -{ - < SELECT : "SELECT" > -| < BASE : "BASE" > -| < ORDER : "ORDER" > -| < BY : "BY" > -| < FROM : "FROM" > -| < GRAPH : "GRAPH" > -| < STR : "STR" > -| < IS_URI : "isURI" > -| < PREFIX : "PREFIX" > -| < CONSTRUCT : "CONSTRUCT" > -| < LIMIT : "LIMIT" > -| < NAMED : "NAMED" > -| < OPTIONAL : "OPTIONAL" > -| < LANG : "lang" > -| < IS_IRI : "isIRI" > -| < DESCRIBE : "DESCRIBE" > -| < OFFSET : "OFFSET" > -| < WHERE : "WHERE" > -| < UNION : "UNION" > -| < LANGMATCHES : "langMatches" > -| < IS_BLANK : "isBlank" > -| < IS_LITERAL : "isLiteral" > -| < ASK : "ASK" > -| < DISTINCT : "DISTINCT" > -| < FILTER : "FILTER" > -| < DATATYPE : "datatype" > -| < REGEX : "regex" > -| < REDUCED : "REDUCED" > -| < BOUND : "bound" > -| < TRUE : "TRUE" > -| < SAME_TERM : "sameTerm" > -| < FALSE : "FALSE" > -} - - -/* [1] Query ::= Prologue ( SelectQuery | ConstructQuery | DescribeQuery | AskQuery ) */ -private void Query() : {} { - Prologue() ( SelectQuery() | ConstructQuery() | DescribeQuery() | AskQuery() ) <EOF> -} - -/* [2] Prologue ::= BaseDecl? PrefixDecl* */ -private void Prologue() : {} { - ( BaseDecl() )? ( PrefixDecl() )* -} - -/* [3] BaseDecl ::= 'BASE' IRI_REF */ -private void BaseDecl() : { - Token iriRef; } { - - <BASE> iriRef=<IRI_REF> { base = unquote(iriRef.image); } -} - -/* [4] PrefixDecl ::= 'PREFIX' PNAME_NS IRI_REF */ -private void PrefixDecl() : { - Token ns, iriRef; } { - - <PREFIX> ns=<PNAME_NS> iriRef=<IRI_REF> { - String pfx = ns.image; - prefixes.put(pfx.substring(0, pfx.length() - 1), unquote(iriRef.image)); } -} - -/* [5] SelectQuery ::= 'SELECT' ( 'DISTINCT' | 'REDUCED' )? ( Var+ | '*' ) DatasetClause* WhereClause SolutionModifier */ -private void SelectQuery() : { - Variable v; } { - - <SELECT> { - query = new SimpleSelectQuery(); } - ( - <DISTINCT> { - ((SimpleSelectQuery) query).setDistinct(); } - | - <REDUCED> { - ((SimpleSelectQuery) query).setReduced(); } - )? - ( - ( v=Var() { - ((SimpleSelectQuery) query).addSelection(v); } )+ - | - "*" { - ((SimpleSelectQuery) query).setSelectAll(); } - ) - ( DatasetClause() )* - WhereClause() - SolutionModifier() -} - -/* [6] ConstructQuery ::= 'CONSTRUCT' ConstructTemplate DatasetClause* WhereClause SolutionModifier */ -private void ConstructQuery() : { - Set<TriplePattern> triplePatterns = null; } { - - <CONSTRUCT> - triplePatterns=ConstructTemplate() { - query = new SimpleConstructQuery(triplePatterns); } - ( DatasetClause() )* - WhereClause() - SolutionModifier() -} - -/* [7] DescribeQuery ::= 'DESCRIBE' ( VarOrIRIref+ | '*' ) DatasetClause* WhereClause? SolutionModifier */ -private void DescribeQuery() : { - UriRefOrVariable node; } { - - <DESCRIBE> { - query = new SimpleDescribeQuery(); } - ( - ( node=VarOrIRIref() { - ((SimpleDescribeQuery) query).addResourceToDescribe(node); } )+ - | - "*" { - ((SimpleDescribeQuery) query).setDescribeAll(); } - ) - ( DatasetClause() )* - ( WhereClause() )? - SolutionModifier() -} - -/* [8] AskQuery ::= 'ASK' DatasetClause* WhereClause */ -private void AskQuery() : {} { - <ASK> { - query = new SimpleAskQuery(); } - ( DatasetClause() )* - WhereClause() -} - -/* [9] DatasetClause ::= 'FROM' ( DefaultGraphClause | NamedGraphClause ) */ -private void DatasetClause() : {} { - <FROM> (DefaultGraphClause() | NamedGraphClause()) -} - -/* [10] DefaultGraphClause ::= SourceSelector */ -private void DefaultGraphClause() : { - IRI defaultGraph; } { - - defaultGraph=SourceSelector() { - ((SimpleQuery) query).addDefaultGraph(defaultGraph); } -} - -/* [11] NamedGraphClause ::= 'NAMED' SourceSelector */ -private void NamedGraphClause() : { - IRI namedGraph; } { - - <NAMED> namedGraph=SourceSelector() { - ((SimpleQuery) query).addNamedGraph(namedGraph); } -} - -/* [12] SourceSelector ::= IRIref */ -private IRI SourceSelector() : { - IRI graph; } { - - graph=IRIref() { - return graph; } -} - -/* [13] WhereClause ::= 'WHERE'? GroupGraphPattern */ -private void WhereClause() : { - GroupGraphPattern queryPattern; } { - - (<WHERE>)? queryPattern=GroupGraphPattern() { - ((SimpleQuery) query).setQueryPattern(queryPattern); } -} - -/* [14] SolutionModifier ::= OrderClause? LimitOffsetClauses? */ -private void SolutionModifier() : {} { - ( OrderClause() )? - ( LimitOffsetClauses() )? -} - -/* [15] LimitOffsetClauses ::= ( LimitClause OffsetClause? | OffsetClause LimitClause? ) */ -private void LimitOffsetClauses() : {} { - ( LimitClause() (OffsetClause())? ) - | - ( OffsetClause() (LimitClause())? ) -} - -/* [16] OrderClause ::= 'ORDER' 'BY' OrderCondition+ */ -private void OrderClause() : {} { - <ORDER> <BY> ( OrderCondition() )+ -} - -/* [17] OrderCondition ::= ( ( 'ASC' | 'DESC' ) BrackettedExpression ) | ( Constraint | Var ) */ -private void OrderCondition() : { - boolean asc = true; - Expression e; } { - - ( - ( ( "ASC" | "DESC" { asc = false; } ) e=BrackettedExpression() ) - | - ( e=Constraint() | e=Var() ) - ) { - ((SimpleQueryWithSolutionModifier) query).addOrderCondition(new SimpleOrderCondition(e, asc)); } -} - -/* [18] LimitClause ::= 'LIMIT' INTEGER */ -private void LimitClause() : { - Token t; } { - - <LIMIT> t=<INTEGER> { - ((SimpleQueryWithSolutionModifier) query).setLimit(Integer.parseInt(t.image)); } -} - -/* [19] OffsetClause ::= 'OFFSET' INTEGER */ -private void OffsetClause() : { - Token t; } { - - <OFFSET> t=<INTEGER> { - ((SimpleQueryWithSolutionModifier) query).setOffset(Integer.parseInt(t.image)); } -} - -/* [20] GroupGraphPattern ::= '{' TriplesBlock? ( ( GraphPatternNotTriples | Filter ) '.'? TriplesBlock? )* '}' */ -private GroupGraphPattern GroupGraphPattern() : { - GroupGraphPattern groupGraphPattern = new SimpleGroupGraphPattern(); - Expression constraint; } { - - "{" - ( TriplesBlock(groupGraphPattern) )? - ( - ( - GraphPatternNotTriples(groupGraphPattern) - | - constraint=Filter() { - ((SimpleGroupGraphPattern) groupGraphPattern).addConstraint(constraint); } - ) - - (".")? - - ( - TriplesBlock(groupGraphPattern) - )? - )* - "}" { - return groupGraphPattern; } -} - -/* [21] TriplesBlock ::= TriplesSameSubject ( '.' TriplesBlock? )? */ -private void TriplesBlock(GroupGraphPattern groupGraphPattern) : { - Set<TriplePattern> triplePatterns; } { - - triplePatterns=TriplesSameSubject() { - ((SimpleGroupGraphPattern) groupGraphPattern).addTriplePatterns(triplePatterns); } - - ( "." (TriplesBlock(groupGraphPattern) )? - )? -} - -/* [22] GraphPatternNotTriples ::= OptionalGraphPattern | GroupOrUnionGraphPattern | GraphGraphPattern */ -private void GraphPatternNotTriples(GroupGraphPattern groupGraphPattern) : {} { - - ( - OptionalGraphPattern(groupGraphPattern) - | - GroupOrUnionGraphPattern(groupGraphPattern) - | - GraphGraphPattern(groupGraphPattern) - ) -} - -/* [23] OptionalGraphPattern ::= 'OPTIONAL' GroupGraphPattern */ -private void OptionalGraphPattern(GroupGraphPattern groupGraphPattern) : { - GroupGraphPattern optional; } { - - <OPTIONAL> - optional=GroupGraphPattern() { - ((SimpleGroupGraphPattern) groupGraphPattern).addOptionalGraphPattern(optional); } -} - -/* [24] GraphGraphPattern ::= 'GRAPH' VarOrIRIref GroupGraphPattern */ -private void GraphGraphPattern(GroupGraphPattern groupGraphPattern) : { - UriRefOrVariable graph; - GroupGraphPattern g; } { - - <GRAPH> - graph=VarOrIRIref() - g=GroupGraphPattern() { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern( - new SimpleGraphGraphPattern(graph, g)); } -} - -/* [25] GroupOrUnionGraphPattern ::= GroupGraphPattern ( 'UNION' GroupGraphPattern )* */ -private void GroupOrUnionGraphPattern(GroupGraphPattern groupGraphPattern) : { - GroupGraphPattern g; - AlternativeGraphPattern unionGraphPattern = null; } { - - g=GroupGraphPattern() - ( - <UNION> { - if (unionGraphPattern == null) { - unionGraphPattern = new SimpleAlternativeGraphPattern(g); - } } - g=GroupGraphPattern() { - ((SimpleAlternativeGraphPattern) unionGraphPattern).addAlternativeGraphPattern(g); } - )* { - if (unionGraphPattern != null) { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(unionGraphPattern); - } else { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(g); - } } -} - -/* [26] Filter ::= 'FILTER' Constraint */ -private Expression Filter() : { - Expression c; } { - - <FILTER> - c=Constraint() { - return c; } -} - -/* [27] Constraint ::= BrackettedExpression | BuiltInCall | FunctionCall */ -private Expression Constraint() : { - Expression c; } { - - ( c=BrackettedExpression() | c=BuiltInCall() | c=FunctionCall() ) { - return c; } -} - -/* [28] FunctionCall ::= IRIref ArgList */ -private FunctionCall FunctionCall() : { - IRI name; - List<Expression> arguments;} { - - name=IRIref() - arguments=ArgList() { - return new FunctionCall(name, arguments); } -} - -/* [29] ArgList ::= ( NIL | '(' Expression ( ',' Expression )* ')' ) */ -private List<Expression> ArgList() : { - List<Expression> args = new ArrayList<Expression>(); - Expression e; } { - - ( - <NIL> - | - ( - "(" - e=Expression() { - args.add(e); } - ( "," - e=Expression() { - args.add(e); } - )* - ")" - ) - ) { - return args; } -} - -/* [30] ConstructTemplate ::= '{' ConstructTriples? '}' */ -private Set<TriplePattern> ConstructTemplate() : { - Set<TriplePattern> triplePatterns = null; } { - - "{" ( - triplePatterns=ConstructTriples() - )? "}" { - return triplePatterns; } -} - -/* [31] ConstructTriples ::= TriplesSameSubject ( '.' ConstructTriples? )? */ -private Set<TriplePattern> ConstructTriples() : { - Set<TriplePattern> triplePatterns, t; } { - - triplePatterns=TriplesSameSubject() - ( "." - ( - t=ConstructTriples() { - triplePatterns.addAll(t); } - )? - )? { - return triplePatterns; } -} - -/* [32] TriplesSameSubject ::= VarOrTerm PropertyListNotEmpty | TriplesNode PropertyList */ -private Set<TriplePattern> TriplesSameSubject() : { - Set<TriplePattern> triplePatterns = new LinkedHashSet<TriplePattern>(); - ResourceOrVariable subject; } { - - ( subject=VarOrTerm() PropertyListNotEmpty(subject, triplePatterns) { - return triplePatterns; } - ) - | - ( subject=TriplesNode(triplePatterns) PropertyList(subject, triplePatterns) { - return triplePatterns; } - ) -} - -/* [33] PropertyListNotEmpty ::= Verb ObjectList ( ';' ( Verb ObjectList )? )* */ -private void PropertyListNotEmpty(ResourceOrVariable subject, - Set<TriplePattern> triplePatterns) : { - UriRefOrVariable predicate; - Set<ResourceOrVariable> objects; } { - predicate=Verb() - objects=ObjectList(triplePatterns) { - addTriplePatterns(triplePatterns, subject, predicate, objects); } - - ( ";" - ( predicate=Verb() objects=ObjectList(triplePatterns) { - addTriplePatterns(triplePatterns, subject, predicate, objects); } - )? - )* -} - -/* [34] PropertyList ::= PropertyListNotEmpty? */ -private void PropertyList(ResourceOrVariable subject, - Set<TriplePattern> triplePatterns) : { } { - ( PropertyListNotEmpty(subject, triplePatterns) )? -} - -/* [35] ObjectList ::= Object ( ',' Object )* */ -private Set<ResourceOrVariable> ObjectList(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable object; } { - - { - Set<ResourceOrVariable> objects = new LinkedHashSet<ResourceOrVariable>(); - } - object=Object(triplePatterns) { - objects.add(object); } - - ( "," - object=Object(triplePatterns) { - objects.add(object); } - )* { - return objects; } -} - -/* [36] Object ::= GraphNode */ -private ResourceOrVariable Object(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable object; } { - - object=GraphNode(triplePatterns) { - return object; } -} - -/* [37] Verb ::= VarOrIRIref | 'a' */ -private UriRefOrVariable Verb() : { - UriRefOrVariable predicate; } { - - predicate=VarOrIRIref() { - return predicate; } - | "a" { - return new UriRefOrVariable(RDF_TYPE); } -} - -// Fill in the specified set of TriplePattern and returns the subject node -/* [38] TriplesNode ::= Collection | BlankNodePropertyList */ -private ResourceOrVariable TriplesNode(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable subject; } { - ( - subject=Collection(triplePatterns) - | - subject=BlankNodePropertyList(triplePatterns) - ) { - return subject; } -} - -/* [39] BlankNodePropertyList ::= '[' PropertyListNotEmpty ']' */ -private ResourceOrVariable BlankNodePropertyList(Set<TriplePattern> triplePatterns) : { } { - { - ResourceOrVariable subject = getNewBNode(); - } - "[" PropertyListNotEmpty(subject, triplePatterns) "]" { - return subject; } -} - -/* [40] Collection ::= '(' GraphNode+ ')' */ -private ResourceOrVariable Collection(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable node; - List<ResourceOrVariable> nodes = new ArrayList<ResourceOrVariable>(); } { - - "(" - ( - node=GraphNode(triplePatterns) { - nodes.add(node); } - )+ - ")" { - return addTriplePatterns(triplePatterns, nodes); } -} - -/* [41] GraphNode ::= VarOrTerm | TriplesNode */ -private ResourceOrVariable GraphNode(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable node; } { - - ( - node=VarOrTerm() - | - node=TriplesNode(triplePatterns) - ) { - return node; } -} - -/* [42] VarOrTerm ::= Var | GraphTerm */ -private ResourceOrVariable VarOrTerm() : { - ResourceOrVariable r; - Variable v; } { - - ( - v=Var() { - return new ResourceOrVariable(v); } - | - r=GraphTerm() { - return r; } - ) -} - -/* [43] VarOrIRIref ::= Var | IRIref */ -private UriRefOrVariable VarOrIRIref() : { - Variable var; - IRI IRI; } { - - ( - var=Var() { - return new UriRefOrVariable(var); } - | - IRI=IRIref() { - return new UriRefOrVariable(IRI); } - ) -} - -/* [44] Var ::= VAR1 | VAR2 */ -private Variable Var() : { - Token t;} { - - (t=<VAR1> | t=<VAR2>) { - return getVariable(t.image); } -} - -/* [45] GraphTerm ::= IRIref | RDFLiteral | NumericLiteral | BooleanLiteral | BlankNode | NIL */ -private ResourceOrVariable GraphTerm() : { - ResourceOrVariable bNode = null; - RDFTerm r = null; } { - - (r=IRIref() | r=RDFLiteral() | r=NumericLiteral() | r=BooleanLiteral() | bNode=BlankNode() | <NIL> { - r = RDF_NIL; }) { - if (bNode == null) { - return new ResourceOrVariable(r); - } - return bNode; } -} - -/* [46] Expression ::= ConditionalOrExpression */ -private Expression Expression() : { - Expression e; } { - - e=ConditionalOrExpression() { - return e; } -} - -/* [47] ConditionalOrExpression ::= ConditionalAndExpression ( '||' ConditionalAndExpression )* */ -private Expression ConditionalOrExpression() : { - Expression e, ae; } { - - e=ConditionalAndExpression() - ( "||" - ae=ConditionalAndExpression() { - e = new BinaryOperation("||", e, ae); } - )* { - return e; } -} - -/* [48] ConditionalAndExpression ::= ValueLogical ( '&&' ValueLogical )* */ -private Expression ConditionalAndExpression() : { - Expression e, e2; } { - - e=ValueLogical() - ( "&&" - e2=ValueLogical() { - e = new BinaryOperation("&&", e, e2); } - )* { - return e; } -} - -/* [49] ValueLogical ::= RelationalExpression */ -private Expression ValueLogical() : { - Expression e; } { - - e=RelationalExpression() { - return e; } -} - -/* [50] RelationalExpression ::= NumericExpression ( '=' NumericExpression | '!=' NumericExpression | '<' NumericExpression | '>' NumericExpression | '<=' NumericExpression | '>=' NumericExpression )? */ -private Expression RelationalExpression() : { - Expression e, e2; } { - - e=NumericExpression() - ( - "=" e2=NumericExpression() { - e = new BinaryOperation("=", e, e2); } - | "!=" e2=NumericExpression() { - e = new BinaryOperation("!=", e, e2); } - | "<" e2=NumericExpression() { - e = new BinaryOperation("<", e, e2); } - | ">" e2=NumericExpression() { - e = new BinaryOperation(">", e, e2); } - | "<=" e2=NumericExpression() { - e = new BinaryOperation("<=", e, e2); } - | ">=" e2=NumericExpression() { - e = new BinaryOperation(">=", e, e2); } - )? { - return e; } -} - -/* [51] NumericExpression ::= AdditiveExpression */ -private Expression NumericExpression() : { - Expression e; } { - - e=AdditiveExpression() { - return e; } -} - -/* [52] AdditiveExpression ::= MultiplicativeExpression ( '+' MultiplicativeExpression | '-' MultiplicativeExpression | NumericLiteralPositive | NumericLiteralNegative )* */ -private Expression AdditiveExpression() : { - Expression e, e2; - Literal l; } { - - e=MultiplicativeExpression() - ( - "+" e2=MultiplicativeExpression() { - e = new BinaryOperation("+", e, e2); } - | "-" e2=MultiplicativeExpression() { - e = new BinaryOperation("-", e, e2); } - | l=NumericLiteralPositive() { - e = new BinaryOperation("+", e, new LiteralExpression(l)); } - | l=NumericLiteralNegative() { - e = new BinaryOperation("-", e, new LiteralExpression(l)); } - )* { - return e; } -} - -/* [53] MultiplicativeExpression ::= UnaryExpression ( '*' UnaryExpression | '/' UnaryExpression )* */ -private Expression MultiplicativeExpression() : { - Expression e, e2; } { - - e=UnaryExpression() - ( - "*" e2=UnaryExpression() { - e = new BinaryOperation("*", e, e2); } - | "/" e2=UnaryExpression() { - e = new BinaryOperation("/", e, e2); } - )* { - return e; } -} - -/* [54] UnaryExpression ::= '!' PrimaryExpression | '+' PrimaryExpression | '-' PrimaryExpression | PrimaryExpression */ -private Expression UnaryExpression() : { - Expression e; } { - - "!" e=PrimaryExpression() { - return new UnaryOperation("!", e); } - | "+" e=PrimaryExpression() { - return new UnaryOperation("+", e); } - | "-" e=PrimaryExpression() { - return new UnaryOperation("-", e); } - | e=PrimaryExpression() { - return e; } -} - -/* [55] PrimaryExpression ::= BrackettedExpression | BuiltInCall | IRIrefOrFunction | RDFLiteral | NumericLiteral | BooleanLiteral | Var */ -private Expression PrimaryExpression() : { - Expression e = null; - Literal l = null; } { - - ( - e=BrackettedExpression() | e=BuiltInCall() | e=IRIrefOrFunction() | l=RDFLiteral() | l=NumericLiteral() | l=BooleanLiteral() | e=Var() - ) { - if (l != null) { - return new LiteralExpression(l); - } - return e; } -} - -/* [56] BrackettedExpression ::= '(' Expression ')' */ -private Expression BrackettedExpression() : { - Expression e; } { - - "(" - e=Expression() - ")" { - return e; } -} - -/* [57] BuiltInCall ::= 'STR' '(' Expression ')' */ -/* | 'LANG' '(' Expression ')' */ -/* | 'LANGMATCHES' '(' Expression ',' Expression ')' */ -/* | 'DATATYPE' '(' Expression ')' */ -/* | 'BOUND' '(' Var ')' */ -/* | 'sameTerm' '(' Expression ',' Expression ')' */ -/* | 'isIRI' '(' Expression ')' */ -/* | 'isURI' '(' Expression ')' */ -/* | 'isBLANK' '(' Expression ')' */ -/* | 'isLITERAL' '(' Expression ')' */ -/* | RegexExpression */ -private BuiltInCall BuiltInCall() : { - List<Expression> args = new ArrayList<Expression>(); - String name; - Expression e; } { - ( - <STR> { - name = "STR"; } - "(" - e=Expression() { - args.add(e); } - ")" - | <LANG> { - name = "LANG"; } - "(" - e=Expression() { - args.add(e); } - ")" - | <LANGMATCHES> { - name = "LANGMATCHES"; } - "(" - e=Expression() { - args.add(e); } - "," - e=Expression() { - args.add(e); } - ")" - | <DATATYPE> { - name = "DATATYPE"; } - "(" - e=Expression() { - args.add(e); } - ")" - | <BOUND> { - name = "BOUND"; } - "(" - e=Var() { - args.add(e); } - ")" - | <SAME_TERM> { - name = "sameTerm"; } - "(" - e=Expression() { - args.add(e); } - "," - e=Expression() { - args.add(e); } - ")" - | <IS_IRI> { - name = "isIRI"; } - "(" - e=Expression() { - args.add(e); } - ")" - | <IS_URI> { - name = "isURI"; } - "(" - e=Expression() { - args.add(e); } - ")" - | <IS_BLANK> { - name = "isBLANK"; } - "(" - e=Expression() { - args.add(e); } - ")" - | <IS_LITERAL> { - name = "isLITERAL"; } - "(" - e=Expression() { - args.add(e); } - ")" - | e=RegexExpression() { - return (BuiltInCall) e; } - ) { - return new BuiltInCall(name, args); - } -} - -/* [58] RegexExpression ::= 'REGEX' '(' Expression ',' Expression ( ',' Expression )? ')' */ -private BuiltInCall RegexExpression() : { - List<Expression> args = new ArrayList<Expression>(); - Expression e = null; } { - - <REGEX> - "(" - e=Expression() { - args.add(e); } - "," - e=Expression() { - args.add(e); } - ( - "," - e=Expression() { - args.add(e); } - )? - ")" { - return new BuiltInCall("REGEX", args); } -} - -/* [59] IRIrefOrFunction ::= IRIref ArgList? */ -private Expression IRIrefOrFunction() : { - IRI IRI; - List<Expression> args; } { - - IRI=IRIref() - ( - args=ArgList() { - return new FunctionCall(IRI, args); } - )? { - return new UriRefExpression(IRI); } -} - -/* [60] RDFLiteral ::= String ( LANGTAG | ( '^^' IRIref ) )? */ -private Literal RDFLiteral() : { - Token t; - String s; - IRI type; } { - - s = String() - ( - t=<LANGTAG> { - return new PlainLiteralImpl(s, new Language(t.image.substring(1))); } - | - ( "^^" - type=IRIref() { - return new TypedLiteralImpl(s, type); } - ) - )? { - return new PlainLiteralImpl(s); } -} - -/* [61] NumericLiteral ::= NumericLiteralUnsigned | NumericLiteralPositive | NumericLiteralNegative */ -private Literal NumericLiteral() : { - Literal l; } { - - ( l=NumericLiteralUnsigned() | l=NumericLiteralPositive() | l=NumericLiteralNegative() ) { - return l; } -} - -/* [62] NumericLiteralUnsigned ::= INTEGER | DECIMAL | DOUBLE */ -private Literal NumericLiteralUnsigned() : { - Token t; } { - - t=<INTEGER> { - return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); } - | t=<DECIMAL> { - return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); } - | t=<DOUBLE> { - return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); } -} - -/* [63] NumericLiteralPositive ::= INTEGER_POSITIVE | DECIMAL_POSITIVE | DOUBLE_POSITIVE */ -private Literal NumericLiteralPositive() : { - Token t; } { - - t=<INTEGER_POSITIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); } - | t=<DECIMAL_POSITIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); } - | t=<DOUBLE_POSITIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); } -} - -/* [64] NumericLiteralNegative ::= INTEGER_NEGATIVE | DECIMAL_NEGATIVE | DOUBLE_NEGATIVE */ -private Literal NumericLiteralNegative() : { - Token t; } { - - t=<INTEGER_NEGATIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); } - | t=<DECIMAL_NEGATIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); } - | t=<DOUBLE_NEGATIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); } -} - -/* [65] BooleanLiteral ::= 'true' | 'false' */ -private Literal BooleanLiteral() : {} { - - <TRUE> { - return LiteralFactory.getInstance().createTypedLiteral(true); } - | <FALSE> { - return LiteralFactory.getInstance().createTypedLiteral(false); } -} - -/* [66] String ::= STRING_LITERAL1 | STRING_LITERAL2 | STRING_LITERAL_LONG1 | STRING_LITERAL_LONG2 */ -private String String() : { - Token t; } { - t=<STRING_LITERAL1> { - return unquote(t.image) ; } - | t=<STRING_LITERAL2> { - return unquote(t.image) ; } - | t=<STRING_LITERAL_LONG1> { - return unTripleQuote(t.image) ; } - | t=<STRING_LITERAL_LONG2> { - return unTripleQuote(t.image) ; } -} - -/* [67] IRIref ::= IRI_REF | PrefixedName */ -private IRI IRIref() : { - IRI IRI; - Token t; } { - - t=<IRI_REF> { - return createUriRef(unquote(t.image)); } - | - IRI=PrefixedName() { - return IRI; } -} - -/* [68] PrefixedName ::= PNAME_LN | PNAME_NS */ -private IRI PrefixedName() : { - Token t; } { - - ( t=<PNAME_LN> | t=<PNAME_NS> ) { - return createUriRef(t.image); } -} - -/* [69] BlankNode ::= BLANK_NODE_LABEL | ANON */ -private ResourceOrVariable BlankNode() : { - Token t; } { - - t=<BLANK_NODE_LABEL> { - return getBNode(t.image); } - | <ANON> { - return getNewBNode(); } -} - - -TOKEN : { - /* [70] IRI_REF ::= '<' ([^<>"{}|^`\]-[#x00-#x20])* '>' */ - < IRI_REF : "<" ( ~["<", ">", "\"", "{", "}", "|", "^", "`", "\\", "\u0000"-"\u0020"] )* ">" > - | - /* [71] PNAME_NS ::= PN_PREFIX? ':' */ - < PNAME_NS : (<PN_PREFIX>)? ":" > - | - /* [72] PNAME_LN ::= PNAME_NS PN_LOCAL */ - < PNAME_LN : <PNAME_NS> <PN_LOCAL> > - | - /* [73] BLANK_NODE_LABEL ::= '_:' PN_LOCAL */ - < BLANK_NODE_LABEL : "_:" <PN_LOCAL> > - | - /* [74] VAR1 ::= '?' VARNAME */ - < VAR1 : "?" <VARNAME> > - | - /* [75] VAR2 ::= '$' VARNAME */ - < VAR2 : "$" <VARNAME> > - | - /* [76] LANGTAG ::= '@' [a-zA-Z]+ ('-' [a-zA-Z0-9]+)* */ - < LANGTAG : "@" (["a"-"z", "A"-"Z"])+ ( "-" (["a"-"z", "A"-"Z", "0"-"9"])+ )* > -} - -TOKEN : { - < #Z_9 : ["0"-"9"] > - | - < #Z_9r : (<Z_9>)+ > - | - < #Z_9o : (<Z_9>)* > - | - /* [77] INTEGER ::= [0-9]+ */ - < INTEGER : <Z_9r> > - | - /* [78] DECIMAL ::= [0-9]+ '.' [0-9]* | '.' [0-9]+ */ - < DECIMAL : ( <Z_9r> "." <Z_9o> ) | ( "." <Z_9r> ) > - | - /* [79] DOUBLE ::= [0-9]+ '.' [0-9]* EXPONENT | '.' ([0-9])+ EXPONENT | ([0-9])+ EXPONENT */ - < DOUBLE : ( <Z_9r> "." <Z_9o> <EXPONENT> ) | ( "." <Z_9r> <EXPONENT> ) | ( <Z_9r> <EXPONENT> ) > - | - /* [80] INTEGER_POSITIVE ::= '+' INTEGER */ - < INTEGER_POSITIVE : "+" <INTEGER> > - | - /* [81] DECIMAL_POSITIVE ::= '+' DECIMAL */ - < DECIMAL_POSITIVE : "+" <DECIMAL> > - | - /* [82] DOUBLE_POSITIVE ::= '+' DOUBLE */ - < DOUBLE_POSITIVE : "+" <DOUBLE> > - | - /* [83] INTEGER_NEGATIVE ::= '-' INTEGER */ - < INTEGER_NEGATIVE : "-" <INTEGER> > - | - /* [84] DECIMAL_NEGATIVE ::= '-' DECIMAL */ - < DECIMAL_NEGATIVE : "-" <DECIMAL> > - | - /* [85] DOUBLE_NEGATIVE ::= '-' DOUBLE */ - < DOUBLE_NEGATIVE : "-" <DOUBLE> > - | - /* [86] EXPONENT ::= [eE] [+-]? [0-9]+ */ - < #EXPONENT : ["e","E"] (["+","-"])? <Z_9r> > -} - -TOKEN : { - /* [87] STRING_LITERAL1 ::= "'" ( ([^#x27#x5C#xA#xD]) | ECHAR )* "'" */ - < STRING_LITERAL1 : "'" ( ~["'", "\\", "\r", "\n"] | <ECHAR> )* "'" > - | - /* [88] STRING_LITERAL2 ::= '"' ( ([^#x22#x5C#xA#xD]) | ECHAR )* '"' */ - < STRING_LITERAL2 : "\"" ( ~["\"", "\\", "\r", "\n"] | <ECHAR> )* "\"" > - | - /* [89] STRING_LITERAL_LONG1 ::= "'''" ( ( "'" | "''" )? ( [^'\] | ECHAR ) )* "'''" */ - < STRING_LITERAL_LONG1 : "'''" ( ( "'" | "''" )? ( ~["'","\\"] | <ECHAR> ) )* "'''" > - | - /* [90] STRING_LITERAL_LONG2 ::= '"""' ( ( '"' | '""' )? ( [^"\] | ECHAR ) )* '"""' */ - < STRING_LITERAL_LONG2 : "\"\"\"" ( ( "\"" | "\"\"" )? ( ~["\"","\\"] | <ECHAR> ) )* "\"\"\"" > - | - /* [91] #ECHAR ::= '\' [tbnrf\"'] */ - < #ECHAR : "\\" ["t","b","n","r","f","\\","\"","'"] > -} - -TOKEN : { - /* [92] NIL ::= '(' WS* ')' */ - < NIL : "(" (<WS>)* ")" > - | - /* [93] WS ::= #x20 | #x9 | #xD | #xA */ - < #WS : " " | "\t" | "\n" | "\r" > - | - /* [94] ANON ::= '[' WS* ']' */ - < ANON : "[" (<WS>)* "]" > -} - -TOKEN : { - /* [95] #PN_CHARS_BASE ::= [A-Z] | [a-z] | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x02FF] | [#x0370-#x037D] | [#x037F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF] */ - < #PN_CHARS_BASE : ["A"-"Z", "a"-"z", "\u00C0"-"\u00D6", "\u00D8"-"\u00F6", "\u00F8"-"\u02FF", "\u0370"-"\u037D", "\u037F"-"\u1FFF", "\u200C"-"\u200D", "\u2070"-"\u218F", "\u2C00"-"\u2FEF", "\u3001"-"\uD7FF", "\uF900"-"\uFDCF", "\uFDF0"-"\uFFFD"] > - | - /* [96] #PN_CHARS_U ::= PN_CHARS_BASE | '_' */ - < #PN_CHARS_U : <PN_CHARS_BASE> | "_" > - | - /* [97] #VARNAME ::= ( PN_CHARS_U | [0-9] ) ( PN_CHARS_U | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040] )* */ - < #VARNAME : (<PN_CHARS_U> | <Z_9>) ( <PN_CHARS_U> | <Z_9> | "\u00b7" | ["\u0300"-"\u036f"] | ["\u203f"-"\u2040"] )* > - | - /* [98] #PN_CHARS ::= PN_CHARS_U | '-' | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040] */ - < #PN_CHARS : <PN_CHARS_U> | "-" | <Z_9> | "\u00b7" | ["\u0300"-"\u036f"] | ["\u203f"-"\u2040"] > - | - /* [99] PN_PREFIX ::= PN_CHARS_BASE ((PN_CHARS|'.')* PN_CHARS)? */ - < PN_PREFIX : <PN_CHARS_BASE> (( <PN_CHARS> | "." )* <PN_CHARS>)? > - | - /* [100] PN_LOCAL ::= ( PN_CHARS_U | [0-9] ) ((PN_CHARS|'.')* PN_CHARS)? */ - /* Note that SPARQL local names allow leading digits while XML local names do not. */ - < PN_LOCAL : ( <PN_CHARS_U> | <Z_9> ) (( <PN_CHARS> | "." )* <PN_CHARS>)? > -} diff --git a/rdf/core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj b/rdf/core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj deleted file mode 100644 index 4ef0976..0000000 --- a/rdf/core/src/main/javacc/org/apache/clerezza/rdf/core/sparql/JavaCCGeneratedSparqlPreParser.jj +++ /dev/null @@ -1,2556 +0,0 @@ -/* - * 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. - */ -options -{ - STATIC=false; - UNICODE_INPUT=true; - IGNORE_CASE=false; - JAVA_UNICODE_ESCAPE=false; - DEBUG_PARSER=false; - JDK_VERSION="1.6"; -} - -PARSER_BEGIN(JavaCCGeneratedSparqlPreParser) - -package org.apache.clerezza.rdf.core.sparql; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.LinkedHashSet; -import java.util.List; -import java.util.Map; -import java.util.Set; -import java.util.regex.Matcher; -import java.util.regex.Pattern; -import org.apache.clerezza.commons.rdf.BlankNode; -import org.apache.clerezza.commons.rdf.Language; -import org.apache.clerezza.commons.rdf.Literal; -import org.apache.clerezza.commons.rdf.RDFTerm; -import org.apache.clerezza.commons.rdf.IRI; -import org.apache.clerezza.rdf.core.LiteralFactory; -import org.apache.clerezza.commons.rdf.impl.utils.PlainLiteralImpl; -import org.apache.clerezza.commons.rdf.impl.utils.TypedLiteralImpl; -import org.apache.clerezza.rdf.core.sparql.query.AlternativeGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.BinaryOperation; -import org.apache.clerezza.rdf.core.sparql.query.BinaryPropertyPathOperation; -import org.apache.clerezza.rdf.core.sparql.query.BuiltInCall; -import org.apache.clerezza.rdf.core.sparql.query.Expression; -import org.apache.clerezza.rdf.core.sparql.query.FunctionCall; -import org.apache.clerezza.rdf.core.sparql.query.GroupGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.InlineData; -import org.apache.clerezza.rdf.core.sparql.query.LiteralExpression; -import org.apache.clerezza.rdf.core.sparql.query.PatternExistenceCondition; -import org.apache.clerezza.rdf.core.sparql.query.PredicatePath; -import org.apache.clerezza.rdf.core.sparql.query.PropertyPathExpressionOrVariable; -import org.apache.clerezza.rdf.core.sparql.query.PropertyPathExpression; -import org.apache.clerezza.rdf.core.sparql.query.PropertyPathPattern; -import org.apache.clerezza.rdf.core.sparql.query.PropertySet; -import org.apache.clerezza.rdf.core.sparql.query.Query; -import org.apache.clerezza.rdf.core.sparql.query.ResourceOrVariable; -import org.apache.clerezza.rdf.core.sparql.query.RhsListBinaryOperation; -import org.apache.clerezza.rdf.core.sparql.query.SelectQuery; -import org.apache.clerezza.rdf.core.sparql.query.SparqlUnit; -import org.apache.clerezza.rdf.core.sparql.query.TriplePattern; -import org.apache.clerezza.rdf.core.sparql.query.UnaryOperation; -import org.apache.clerezza.rdf.core.sparql.query.UnaryPropertyPathOperation; -import org.apache.clerezza.rdf.core.sparql.query.UriRefExpression; -import org.apache.clerezza.rdf.core.sparql.query.UriRefOrVariable; -import org.apache.clerezza.rdf.core.sparql.query.Variable; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleAlternativeGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleAskQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleConstructQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleDataSet; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleDescribeQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGraphGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleGroupGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleInlineData; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleOrderCondition; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimplePropertyPathPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleQueryWithSolutionModifier; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleSelectQuery; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleServiceGraphPattern; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleSparqlUnit; -import org.apache.clerezza.rdf.core.sparql.query.impl.SimpleTriplePattern; -import org.apache.clerezza.rdf.core.sparql.update.Update; -import org.apache.clerezza.rdf.core.sparql.update.UpdateOperation; -import org.apache.clerezza.rdf.core.sparql.update.UpdateOperation.GraphSpec; -import org.apache.clerezza.rdf.core.sparql.update.impl.AddOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.ClearOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.ClearOrDropOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.CopyOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.CreateOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.DeleteDataOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.DeleteWhereOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.DropOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.InsertDataOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.LoadOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.ModifyOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.MoveOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.SimpleUpdate; -import org.apache.clerezza.rdf.core.sparql.update.impl.SimpleUpdateOperation; -import org.apache.clerezza.rdf.core.sparql.update.impl.UpdateOperationWithQuads; - -/** - * - * Credits: Fedora Commons, Inc. - * - for initial grammar of this file (available in mulgara project). - * Modified by: Hasan <[email protected]> - */ -class JavaCCGeneratedSparqlPreParser { - - private static final IRI RDF_TYPE = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#type";); - private static final IRI RDF_FIRST = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#first";); - private static final IRI RDF_REST = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#rest";); - private static final IRI RDF_NIL = - new IRI("http://www.w3.org/1999/02/22-rdf-syntax-ns#nil";); - - /** A RegEx pattern for separating out a namespace from a prefixed name. */ - private static final Pattern pfxNamePattern = Pattern.compile("([^:]*):(.*)"); - - private String base; - private Map<String, String> prefixes; - private Map<String, ResourceOrVariable> bNodes; - private int count; - - private class GraphRefAllSpec { - GraphSpec graphSpec; - IRI graph; - public void setGraphSpec(GraphSpec graphSpec) { - this.graphSpec = graphSpec; - } - public GraphSpec getGraphSpec() { - return this.graphSpec; - } - public void setGraph(IRI graph){ - this.graph = graph; - } - public IRI getGraph() { - return this.graph; - } - } - - void initialize() { - base = null; - prefixes = new HashMap<String, String>(); - bNodes = new HashMap<String, ResourceOrVariable>(); - count = 0; - } - - SparqlUnit parse() throws ParseException { - SparqlUnit sparqlUnit; - initialize(); - sparqlUnit = this.SparqlUnit(); - return sparqlUnit; - } - - Query parseQuery() throws ParseException { - Query query; - initialize(); - query = this.QueryUnit(); - return query; - } - - Update parseUpdate() throws ParseException { - Update update; - initialize(); - update = this.UpdateUnit(); - return update; - } - - private static String unquote(String s) { - return s.substring(1, s.length() - 1); - } - - private static String unTripleQuote(String s) { - return s.substring(3, s.length() - 3); - } - - private Variable createVariable(String name) { - name = name.substring(1); - Variable v = new Variable(name); - return v; - } - - private void addPropertyPathPatterns(Set<PropertyPathPattern> propertyPathPatterns, - ResourceOrVariable subject, - PropertyPathExpressionOrVariable propertyPathExpression, - Set<ResourceOrVariable> objects) { - - for (ResourceOrVariable object : objects) { - propertyPathPatterns.add( - new SimplePropertyPathPattern(subject, propertyPathExpression, object)); - } - } - - // nodes contain at least one element - private ResourceOrVariable addPropertyPathPatterns(Set<PropertyPathPattern> propertyPathPatterns, - List<ResourceOrVariable> nodes) { - - ResourceOrVariable head = null; - PropertyPathExpressionOrVariable rdfFirst = new PropertyPathExpressionOrVariable(new PredicatePath(RDF_FIRST)); - PropertyPathExpressionOrVariable rdfRest = new PropertyPathExpressionOrVariable(new PredicatePath(RDF_REST)); - UriRefOrVariable rdfNil = new UriRefOrVariable(RDF_NIL); - - ResourceOrVariable prevSubject = null; - for (ResourceOrVariable node : nodes) { - ResourceOrVariable currentSubject = getNewBNode(); - if (prevSubject != null) { - propertyPathPatterns.add( - new SimplePropertyPathPattern(prevSubject, rdfRest, currentSubject)); - } else { - head = currentSubject; - } - propertyPathPatterns.add( - new SimplePropertyPathPattern(currentSubject, rdfFirst, node)); - prevSubject = currentSubject; - } - if (prevSubject != null) { - propertyPathPatterns.add( - new SimplePropertyPathPattern(prevSubject, rdfRest, rdfNil)); - } - return head; - } - - private void addTriplePatterns(Set<TriplePattern> triplePatterns, - ResourceOrVariable subject, - UriRefOrVariable predicate, - Set<ResourceOrVariable> objects) { - - for (ResourceOrVariable object : objects) { - triplePatterns.add( - new SimpleTriplePattern(subject, predicate, object)); - } - } - - // nodes contain at least one element - private ResourceOrVariable addTriplePatterns( - Set<TriplePattern> triplePatterns, - List<ResourceOrVariable> nodes) { - - ResourceOrVariable head = null; - UriRefOrVariable rdfFirst = new UriRefOrVariable(RDF_FIRST); - UriRefOrVariable rdfRest = new UriRefOrVariable(RDF_REST); - UriRefOrVariable rdfNil = new UriRefOrVariable(RDF_NIL); - - ResourceOrVariable prevSubject = null; - for (ResourceOrVariable node : nodes) { - ResourceOrVariable currentSubject = getNewBNode(); - if (prevSubject != null) { - triplePatterns.add( - new SimpleTriplePattern(prevSubject, rdfRest, currentSubject)); - } else { - head = currentSubject; - } - triplePatterns.add( - new SimpleTriplePattern(currentSubject, rdfFirst, node)); - prevSubject = currentSubject; - } - if (prevSubject != null) { - triplePatterns.add( - new SimpleTriplePattern(prevSubject, rdfRest, rdfNil)); - } - return head; - } - - private ResourceOrVariable getNewBNode() { - ResourceOrVariable bNode = new ResourceOrVariable(new BlankNode()); - bNodes.put("*" + count++, bNode); - return bNode; - } - - private ResourceOrVariable getBNode(String label) { - ResourceOrVariable bNode = bNodes.get(label); - if (bNode == null) { - bNode = new ResourceOrVariable(new BlankNode()); - bNodes.put(label, bNode); - } - return bNode; - } - - private IRI createUriRef(String r) throws ParseException { - // Create an IRI directly if the string does not start with a prefix - Matcher m = pfxNamePattern.matcher(r); - if (!m.matches()) { - // either a normal IRI, or one with a BASE - return isRelative(r) ? new IRI(base + r) : new IRI(r); - } - // extract the prefix, and attempt to convert to a URI before creating the reference - String ns = prefixes.get(m.group(1)); - return ns == null ? new IRI(r) : new IRI(ns + m.group(2)); - } - - /** - * Tests if the string for a URI is relative or absolute. The test is based on a scheme existing - * in the string, which in turn expects a : character to follow it. If there is no colon, then - * it is presumed to be relative. Otherwise, if there are special characters preceding the first - * colon these are presumed to not be in a scheme. - * @param u A string for a URI. - * @return <code>true</code> if the URI appears to be relative, <code>false</code> otherwise. - */ - private static boolean isRelative(String u) { - int colon = u.indexOf(':'); - if (colon < 0) { - return true; - } - for (int c = 0; c < colon; c++) { - // if there a non-alphanum characters then this is not a scheme, so the URI is relative - if (!Character.isLetterOrDigit(u.charAt(c))) { - return true; - } - } - // found a (probably) valid scheme, so the URI is absolute - return false; - } -} -PARSER_END(JavaCCGeneratedSparqlPreParser) - -SKIP : -{ - "\t" | "\n" | "\r" | "\f" | " " -} - -MORE : -{ - "#" : IN_COMMENT -} - -<IN_COMMENT> -SPECIAL_TOKEN : -{ - <COMMENT: ( ~[ "\r","\n" ] )* > : DEFAULT -} - -TOKEN [IGNORE_CASE] : -{ - < SELECT : "SELECT" > -| < BASE : "BASE" > -| < ORDER : "ORDER" > -| < BY : "BY" > -| < FROM : "FROM" > -| < GRAPH : "GRAPH" > -| < PREFIX : "PREFIX" > -| < CONSTRUCT : "CONSTRUCT" > -| < LIMIT : "LIMIT" > -| < NAMED : "NAMED" > -| < OPTIONAL : "OPTIONAL" > -| < DESCRIBE : "DESCRIBE" > -| < OFFSET : "OFFSET" > -| < WHERE : "WHERE" > -| < UNION : "UNION" > -| < ASK : "ASK" > -| < DISTINCT : "DISTINCT" > -| < FILTER : "FILTER" > -| < REDUCED : "REDUCED" > -| < GROUP_CONCAT : "GROUP_CONCAT" > -| < BOUND : "bound" > -| < TRUE : "TRUE" > -| < FALSE : "FALSE" > -| < VALUES : "VALUES" > -| < UNDEF : "UNDEF" > -| < AS : "AS" > -| < BIND : "BIND" > -| < MINUS : "MINUS" > -| < SERVICE : "SERVICE" > -| < GROUP : "GROUP" > -| < HAVING : "HAVING" > -| < LOAD : "LOAD" > -| < SILENT : "SILENT" > -| < INTO : "INTO" > -| < CLEAR : "CLEAR" > -| < DROP : "DROP" > -| < CREATE : "CREATE" > -| < ADD : "ADD" > -| < TO : "TO" > -| < MOVE : "MOVE" > -| < COPY : "COPY" > -| < INSERT : "INSERT" > -| < DELETE : "DELETE" > -| < DATA : "DATA" > -| < WITH : "WITH" > -| < USING : "USING" > -| < DEFAULT_T : "DEFAULT" > -| < ALL : "ALL" > -| < IN : "IN" > -| < NOT : "NOT" > -| < EXISTS : "EXISTS" > -| < BNODE : "BNODE" > -| < RAND : "RAND" > -| < CONCAT : "CONCAT" > -| < NOW : "NOW" > -| < UUID : "UUID" > -| < STRUUID : "STRUUID" > -| < COALESCE : "COALESCE" > -| < SEPARATOR : "SEPARATOR" > -} - -/* SparqlUnit ::= Prologue ( Query | Update ) */ -private SparqlUnit SparqlUnit() : { - Query query; - Update update; } { - - Prologue() - ( - query=QueryUnit() { - return new SimpleSparqlUnit(query); } - | - update=UpdateUnit() { - return new SimpleSparqlUnit(update); } - ) -} - -/* [1] QueryUnit ::= Query */ -private Query QueryUnit() : { - Query query; } { - - query=Query() { - return query; } -} - -/* [2] Query ::= Prologue ( SelectQuery | ConstructQuery | DescribeQuery | AskQuery ) ValuesClause */ -/* [2] Query ::= ( SelectQuery | ConstructQuery | DescribeQuery | AskQuery ) ValuesClause */ -private Query Query() : { - Query query; } { - ( - query = SelectQuery() - | - query = ConstructQuery() - | - query = DescribeQuery() - | - query = AskQuery() - ) { - return query; - } -} - -/* [3] UpdateUnit ::= Update */ -private Update UpdateUnit() : { - Update update = new SimpleUpdate(); } { - Update(update) { - return update; } -} - -/* [4] Prologue ::= ( BaseDecl | PrefixDecl )* */ -private void Prologue() : {} { - ( BaseDecl() | PrefixDecl() )* -} - -/* [5] BaseDecl ::= 'BASE' IRIREF */ -private void BaseDecl() : { - Token iriRef; } { - - <BASE> iriRef=<IRIREF> { base = unquote(iriRef.image); } -} - -/* [6] PrefixDecl ::= 'PREFIX' PNAME_NS IRIREF */ -private void PrefixDecl() : { - Token ns, iriRef; } { - - <PREFIX> ns=<PNAME_NS> iriRef=<IRIREF> { - String pfx = ns.image; - prefixes.put(pfx.substring(0, pfx.length() - 1), unquote(iriRef.image)); } -} - -/* [7] SelectQuery ::= SelectClause DatasetClause* WhereClause SolutionModifier */ -private Query SelectQuery() : { - Query query; } { - query = SelectClause() - ( DatasetClause(query) )* - WhereClause(query) - SolutionModifier(query) { - return query; } -} - -/* [8] SubSelect ::= SelectClause WhereClause SolutionModifier ValuesClause */ -private Query SubSelect() : { - Query query; } { - query = SelectClause() - WhereClause(query) - SolutionModifier(query) - ValuesClause(query) { - return query; } -} - -/* [9] SelectClause ::= 'SELECT' ( 'DISTINCT' | 'REDUCED' )? ( ( Var | ( '(' Expression 'AS' Var ')' ) )+ | '*' ) */ -private Query SelectClause() : { - Query query; - Variable v; - Expression e; } { - - <SELECT> { - query = new SimpleSelectQuery(); } - ( - <DISTINCT> { - ((SimpleSelectQuery) query).setDistinct(); } - | - <REDUCED> { - ((SimpleSelectQuery) query).setReduced(); } - )? - ( - ( - v=Var() { - ((SimpleSelectQuery) query).addSelection(v); } - | - ( - "(" - e=Expression() - <AS> - v=Var() { - v.setBoundExpression(e); - ((SimpleSelectQuery) query).addSelection(v); } - ")" - ) - )+ - | - "*" { - ((SimpleSelectQuery) query).setSelectAll(); } - ) { - return query; } -} - -/* [10] ConstructQuery ::= 'CONSTRUCT' ( ConstructTemplate DatasetClause* WhereClause SolutionModifier | DatasetClause* 'WHERE' '{' TriplesTemplate? '}' SolutionModifier ) */ -private Query ConstructQuery() : { - Query query; - Set<TriplePattern> triplePatterns = null; - GroupGraphPattern queryPattern; } { - - <CONSTRUCT> - ( - triplePatterns=ConstructTemplate() { - query = new SimpleConstructQuery(triplePatterns); } - ( DatasetClause(query) )* - WhereClause(query) - | - { - query = new SimpleConstructQuery(triplePatterns); } - ( DatasetClause(query) )* - <WHERE> - "{" { - queryPattern = new SimpleGroupGraphPattern(); } - ( - triplePatterns=TriplesTemplate() - )? { - ((SimpleGroupGraphPattern) queryPattern).addTriplePatterns(triplePatterns); } - "}" { - ((SimpleQuery) query).setQueryPattern(queryPattern); } - ) - SolutionModifier(query) { - return query; } -} - -/* [11] DescribeQuery ::= 'DESCRIBE' ( VarOrIRI+ | '*' ) DatasetClause* WhereClause? SolutionModifier */ -private Query DescribeQuery() : { - Query query; - UriRefOrVariable node; } { - - <DESCRIBE> { - query = new SimpleDescribeQuery(); } - ( - ( node=VarOrIRI() { - ((SimpleDescribeQuery) query).addResourceToDescribe(node); } )+ - | - "*" { - ((SimpleDescribeQuery) query).setDescribeAll(); } - ) - ( DatasetClause(query) )* - ( WhereClause(query) )? - SolutionModifier(query) { - return query; } -} - -/* [12] AskQuery ::= 'ASK' DatasetClause* WhereClause SolutionModifier */ -private Query AskQuery() : { - Query query; } { - - <ASK> { - query = new SimpleAskQuery(); } - ( DatasetClause(query) )* - WhereClause(query) - SolutionModifier(query) { - return query; } -} - -/* [13] DatasetClause ::= 'FROM' ( DefaultGraphClause | NamedGraphClause ) */ -private void DatasetClause(Query query) : {} { - <FROM> (DefaultGraphClause(query) | NamedGraphClause(query)) -} - -/* [14] DefaultGraphClause ::= SourceSelector */ -private void DefaultGraphClause(Query query) : { - IRI defaultGraph; } { - - defaultGraph=SourceSelector() { - ((SimpleQuery) query).addDefaultGraph(defaultGraph); } -} - -/* [15] NamedGraphClause ::= 'NAMED' SourceSelector */ -private void NamedGraphClause(Query query) : { - IRI namedGraph; } { - - <NAMED> namedGraph=SourceSelector() { - ((SimpleQuery) query).addNamedGraph(namedGraph); } -} - -/* [16] SourceSelector ::= iri */ -private IRI SourceSelector() : { - IRI graph; } { - - graph=IRI() { - return graph; } -} - -/* [17] WhereClause ::= 'WHERE'? GroupGraphPattern */ -private void WhereClause(Query query) : { - GroupGraphPattern queryPattern; } { - - (<WHERE>)? - queryPattern=GroupGraphPattern() { - ((SimpleQuery) query).setQueryPattern(queryPattern); } -} - -/* [18] SolutionModifier ::= GroupClause? HavingClause? OrderClause? LimitOffsetClauses? */ -private void SolutionModifier(Query query) : {} { - ( GroupClause(query) )? - ( HavingClause(query) )? - ( OrderClause(query) )? - ( LimitOffsetClauses(query) )? -} - -/* [19] GroupClause ::= 'GROUP' 'BY' GroupCondition+ */ -private void GroupClause(Query query) : {} { - <GROUP> <BY> ( GroupCondition(query) )+ -} - -/* [20] GroupCondition ::= BuiltInCall | FunctionCall | '(' Expression ( 'AS' Var )? ')' | Var */ -private void GroupCondition(Query query) : { - Expression e; - Variable v; } { - ( - e=BuiltInCall() - | - e=FunctionCall() - | - ( - "(" - e=Expression() - ( - <AS> - v=Var() { - v.setBoundExpression(e); - e = v; } - )? - ")" - ) - | - e=Var() - ) { - ((SimpleQueryWithSolutionModifier) query).addGroupCondition(e); } -} - -/* [21] HavingClause ::= 'HAVING' HavingCondition+ */ -private void HavingClause(Query query) : {} { - <HAVING> ( HavingCondition(query) )+ -} - -/* [22] HavingCondition ::= Constraint */ -private void HavingCondition(Query query) : { - Expression c; } { - - c=Constraint() { - ((SimpleQueryWithSolutionModifier) query).addHavingCondition(c); } -} - -/* [23] OrderClause ::= 'ORDER' 'BY' OrderCondition+ */ -private void OrderClause(Query query) : {} { - <ORDER> <BY> ( OrderCondition(query) )+ -} - -/* [24] OrderCondition ::= ( ( 'ASC' | 'DESC' ) BrackettedExpression ) | ( Constraint | Var ) */ -private void OrderCondition(Query query) : { - boolean asc = true; - Expression e; } { - - ( - ( ( "ASC" | "DESC" { asc = false; } ) e=BrackettedExpression() ) - | - ( e=Constraint() | e=Var() ) - ) { - ((SimpleQueryWithSolutionModifier) query).addOrderCondition(new SimpleOrderCondition(e, asc)); } -} - -/* [25] LimitOffsetClauses ::= LimitClause OffsetClause? | OffsetClause LimitClause? */ -private void LimitOffsetClauses(Query query) : {} { - ( LimitClause(query) (OffsetClause(query))? ) - | - ( OffsetClause(query) (LimitClause(query))? ) -} - -/* [26] LimitClause ::= 'LIMIT' INTEGER */ -private void LimitClause(Query query) : { - Token t; } { - - <LIMIT> t=<INTEGER> { - ((SimpleQueryWithSolutionModifier) query).setLimit(Integer.parseInt(t.image)); } -} - -/* [27] OffsetClause ::= 'OFFSET' INTEGER */ -private void OffsetClause(Query query) : { - Token t; } { - - <OFFSET> t=<INTEGER> { - ((SimpleQueryWithSolutionModifier) query).setOffset(Integer.parseInt(t.image)); } -} - -/* [28] ValuesClause ::= ( 'VALUES' DataBlock )? */ -private void ValuesClause(Query query) : { - InlineData data; } { - ( - <VALUES> - data=DataBlock() { - ((SimpleQuery) query).setInlineData(data); } - )? -} - -/* [29] Update ::= Prologue ( Update1 ( ';' Update )? )? */ -/* [29] Update ::= ( Update1 ( ';' Prologue Update )? )? */ -private void Update(Update update) : {} { - ( - Update1(update) - ( - ";" - Prologue() - Update(update) - )? - )? -} - -/* [30] Update1 ::= Load | Clear | Drop | Add | Move | Copy | Create | InsertData | DeleteData | DeleteWhere | Modify */ -private void Update1(Update update) : { - UpdateOperation updateOperation = null; } { - - ( - updateOperation = Load() - | - updateOperation = Clear() - | - updateOperation = Drop() - | - updateOperation = Add() - | - updateOperation = Move() - | - updateOperation = Copy() - | - updateOperation = Create() - | - LOOKAHEAD(2) - updateOperation = InsertData() - | - LOOKAHEAD(2) - updateOperation = DeleteData() - | - LOOKAHEAD(2) - updateOperation = DeleteWhere() - | - updateOperation = Modify() - ) { - if (updateOperation != null) { - update.addOperation(updateOperation); - } } -} - -/* [31] Load ::= 'LOAD' 'SILENT'? iri ( 'INTO' GraphRef )? */ -private UpdateOperation Load() : { - IRI uriRef; - LoadOperation operation; } { - <LOAD> { - operation = new LoadOperation(); } - ( - <SILENT> { - operation.setSilent(true); } - )? - uriRef = IRI() { - operation.setSource(uriRef); } - ( - <INTO> - uriRef = GraphRef() { - operation.setDestinationGraph(uriRef); } - )? { - return operation; } -} - -/* [32] Clear ::= 'CLEAR' 'SILENT'? GraphRefAll */ -private UpdateOperation Clear() : { - ClearOperation operation; } { - <CLEAR> { - operation = new ClearOperation(); } - ProcessParametersOfClearOrDropOperation(operation) { - return operation; } -} - -private void ProcessParametersOfClearOrDropOperation(ClearOrDropOperation operation) : { - GraphRefAllSpec graphRefAllSpec; - GraphSpec graphSpec; } { - ( - <SILENT> { - operation.setSilent(true); } - )? - graphRefAllSpec = GraphRefAll() { - graphSpec = graphRefAllSpec.getGraphSpec(); - operation.setDestinationGraphSpec(graphSpec); - if (graphSpec == GraphSpec.GRAPH) { - operation.setDestinationGraph(graphRefAllSpec.getGraph()); - } } -} - -/* [33] Drop ::= 'DROP' 'SILENT'? GraphRefAll */ -private UpdateOperation Drop() : { - DropOperation operation; } { - <DROP> { - operation = new DropOperation(); } - ProcessParametersOfClearOrDropOperation(operation) { - return operation; } -} - -/* [34] Create ::= 'CREATE' 'SILENT'? GraphRef */ -private UpdateOperation Create() : { - IRI uriRef; - CreateOperation operation; } { - <CREATE> { - operation = new CreateOperation(); } - ( - <SILENT> { - operation.setSilent(true); } - )? - uriRef = GraphRef() { - operation.setDestinationGraph(uriRef); - return operation; } -} - -/* [35] Add ::= 'ADD' 'SILENT'? GraphOrDefault 'TO' GraphOrDefault */ -private UpdateOperation Add() : { - AddOperation operation; } { - <ADD> { - operation = new AddOperation(); } - ProcessParametersOfAddMoveOrCopyOperation(operation) { - return operation; } -} - -private void ProcessParametersOfAddMoveOrCopyOperation(SimpleUpdateOperation operation) : { - GraphRefAllSpec graphRefAllSpec; - GraphSpec graphSpec; } { - ( - <SILENT> { - operation.setSilent(true); } - )? - graphRefAllSpec = GraphOrDefault() { - graphSpec = graphRefAllSpec.getGraphSpec(); - if (graphSpec == GraphSpec.GRAPH) { - operation.setInputGraph(graphRefAllSpec.getGraph()); - } else { - operation.setInputGraphSpec(graphSpec); - } } - <TO> - graphRefAllSpec = GraphOrDefault() { - graphSpec = graphRefAllSpec.getGraphSpec(); - if (graphSpec == GraphSpec.GRAPH) { - operation.setDestinationGraph(graphRefAllSpec.getGraph()); - } else { - operation.setDestinationGraphSpec(graphSpec); - } } -} - -/* [36] Move ::= 'MOVE' 'SILENT'? GraphOrDefault 'TO' GraphOrDefault */ -private UpdateOperation Move() : { - MoveOperation operation; } { - <MOVE> { - operation = new MoveOperation(); } - ProcessParametersOfAddMoveOrCopyOperation(operation) { - return operation; } -} - -/* [37] Copy ::= 'COPY' 'SILENT'? GraphOrDefault 'TO' GraphOrDefault */ -private UpdateOperation Copy() : { - CopyOperation operation; } { - <COPY> { - operation = new CopyOperation(); } - ProcessParametersOfAddMoveOrCopyOperation(operation) { - return operation; } -} - -/* [38] InsertData ::= 'INSERT DATA' QuadData */ -private UpdateOperation InsertData() : { - InsertDataOperation operation; } { - <INSERT> <DATA> { - operation = new InsertDataOperation(); } - QuadData(operation) { - return operation; } -} - -/* [39] DeleteData ::= 'DELETE DATA' QuadData */ -private UpdateOperation DeleteData() : { - DeleteDataOperation operation; } { - <DELETE> <DATA> { - operation = new DeleteDataOperation(); } - QuadData(operation) { - return operation; } -} - -/* [40] DeleteWhere ::= 'DELETE WHERE' QuadPattern */ -private UpdateOperation DeleteWhere() : { - DeleteWhereOperation operation; } { - <DELETE> <WHERE> { - operation = new DeleteWhereOperation(); } - QuadPattern(operation) { - return operation; } -} - -/* [41] Modify ::= ( 'WITH' iri )? ( DeleteClause InsertClause? | InsertClause ) UsingClause* 'WHERE' GroupGraphPattern */ -private UpdateOperation Modify() : { - IRI fallbackGraph = null; - UpdateOperationWithQuads deleteOperation = null; - UpdateOperationWithQuads insertOperation = null; - SimpleDataSet dataSet = new SimpleDataSet(); - GroupGraphPattern queryPattern; - ModifyOperation operation; } { - ( - <WITH> - fallbackGraph = IRI() - )? - ( - deleteOperation = DeleteClause() - ( - insertOperation = InsertClause() - )? - | - insertOperation = InsertClause() - ) { - operation = new ModifyOperation(); - if (fallbackGraph != null) { - operation.setFallbackGraph(fallbackGraph); - } - if (deleteOperation != null) { - operation.setDeleteOperation(deleteOperation); - } - if (insertOperation != null) { - operation.setInsertOperation(insertOperation); - } } - ( - UsingClause(dataSet) - )* { - operation.setDataSet(dataSet); } - - <WHERE> - queryPattern = GroupGraphPattern() { - operation.setQueryPattern(queryPattern); - return operation; } -} - -/* [42] DeleteClause ::= 'DELETE' QuadPattern */ -private UpdateOperationWithQuads DeleteClause() : { - UpdateOperationWithQuads operation; } { - <DELETE> { - operation = new UpdateOperationWithQuads(); } - QuadPattern(operation) { - return operation; } -} - -/* [43] InsertClause ::= 'INSERT' QuadPattern */ -private UpdateOperationWithQuads InsertClause() : { - UpdateOperationWithQuads operation; } { - <INSERT> { - operation = new UpdateOperationWithQuads(); } - QuadPattern(operation) { - return operation; } -} - -/* [44] UsingClause ::= 'USING' ( iri | 'NAMED' iri ) */ -private void UsingClause(SimpleDataSet dataSet) : { - IRI graph; } { - <USING> - ( - graph = IRI() { - dataSet.addDefaultGraph(graph); } - | - <NAMED> - graph = IRI() { - dataSet.addNamedGraph(graph); } - ) -} - -/* [45] GraphOrDefault ::= 'DEFAULT_T' | 'GRAPH'? iri */ -private GraphRefAllSpec GraphOrDefault() : { - IRI uriRef; - GraphRefAllSpec graphRefAllSpec = new GraphRefAllSpec(); } { - ( - <DEFAULT_T> { - graphRefAllSpec.setGraphSpec(GraphSpec.DEFAULT); } - | - ( - <GRAPH> - )? - uriRef = IRI() { - graphRefAllSpec.setGraph(uriRef); - graphRefAllSpec.setGraphSpec(GraphSpec.GRAPH); } - ) { - return graphRefAllSpec; } -} - -/* [46] GraphRef ::= 'GRAPH' iri */ -private IRI GraphRef() : { - IRI uriRef; } { - <GRAPH> - uriRef = IRI() { - return uriRef; } -} - -/* [47] GraphRefAll ::= GraphRef | 'DEFAULT_T' | 'NAMED' | 'ALL' */ -private GraphRefAllSpec GraphRefAll() : { - IRI uriRef; - GraphRefAllSpec graphRefAllSpec = new GraphRefAllSpec(); } { - ( - uriRef = GraphRef() { - graphRefAllSpec.setGraph(uriRef); - graphRefAllSpec.setGraphSpec(GraphSpec.GRAPH); } - | - <DEFAULT_T> { - graphRefAllSpec.setGraphSpec(GraphSpec.DEFAULT); } - | - <NAMED> { - graphRefAllSpec.setGraphSpec(GraphSpec.NAMED); } - | - <ALL> { - graphRefAllSpec.setGraphSpec(GraphSpec.ALL); } - ) { - return graphRefAllSpec; } -} - -/* [48] QuadPattern ::= '{' Quads '}' */ -private void QuadPattern(UpdateOperationWithQuads operation) : {} { - "{" - Quads(operation) - "}" -} - -/* [49] QuadData ::= '{' Quads '}' */ -private void QuadData(UpdateOperationWithQuads operation) : {} { - "{" - Quads(operation) - "}" -} - -/* [50] Quads ::= TriplesTemplate? ( QuadsNotTriples '.'? TriplesTemplate? )* */ -private void Quads(UpdateOperationWithQuads operation) : { - Set<TriplePattern> triplePatterns; } { - ( - triplePatterns=TriplesTemplate() { - operation.addQuad(triplePatterns); } - )? - ( - QuadsNotTriples(operation) - ( "." )? - ( - triplePatterns=TriplesTemplate() { - operation.addQuad(triplePatterns); } - )? - )* -} - -/* [51] QuadsNotTriples ::= 'GRAPH' VarOrIRI '{' TriplesTemplate? '}' */ -private void QuadsNotTriples(UpdateOperationWithQuads operation) : { - UriRefOrVariable graph; - Set<TriplePattern> triplePatterns = null; } { - - <GRAPH> - graph=VarOrIRI() - "{" - ( - triplePatterns=TriplesTemplate() - )? - "}" { - operation.addQuad(graph, triplePatterns); } -} - -/* [52] TriplesTemplate ::= TriplesSameSubject ( '.' TriplesTemplate? )? */ -private Set<TriplePattern> TriplesTemplate() : { - Set<TriplePattern> triplePatterns, t; } { - - triplePatterns=TriplesSameSubject() - ( - "." - ( - t=TriplesTemplate() { - triplePatterns.addAll(t); } - )? - )? { - return triplePatterns; } -} - -/* [53] GroupGraphPattern ::= '{' ( SubSelect | GroupGraphPatternSub ) '}' */ -private GroupGraphPattern GroupGraphPattern() : { - Query query; - GroupGraphPattern groupGraphPattern = new SimpleGroupGraphPattern(); } { - "{" - ( - query = SubSelect() { - ((SimpleGroupGraphPattern) groupGraphPattern).setSubSelect((SelectQuery) query); } - | - GroupGraphPatternSub(groupGraphPattern) - ) - "}" { - return groupGraphPattern; } -} - -/* [54] GroupGraphPatternSub ::= TriplesBlock? ( GraphPatternNotTriples '.'? TriplesBlock? )* */ -private void GroupGraphPatternSub(GroupGraphPattern groupGraphPattern) : {} { - ( TriplesBlock(groupGraphPattern) )? - ( - GraphPatternNotTriples(groupGraphPattern) - (".")? - ( TriplesBlock(groupGraphPattern) )? - )* -} - -/* [55] TriplesBlock ::= TriplesSameSubjectPath ( '.' TriplesBlock? )? */ -private void TriplesBlock(GroupGraphPattern groupGraphPattern) : { - Set<PropertyPathPattern> propertyPathPatterns; } { - - propertyPathPatterns=TriplesSameSubjectPath() { - ((SimpleGroupGraphPattern) groupGraphPattern).addPropertyPathPatterns(propertyPathPatterns); } - ( - "." ( TriplesBlock(groupGraphPattern) )? - )? -} - -/* [56] GraphPatternNotTriples ::= GroupOrUnionGraphPattern | OptionalGraphPattern | MinusGraphPattern | GraphGraphPattern | ServiceGraphPattern | Filter | Bind | InlineData */ -private void GraphPatternNotTriples(GroupGraphPattern groupGraphPattern) : { - Expression constraint; - Variable v; } { - ( - GroupOrUnionGraphPattern(groupGraphPattern) - | - OptionalGraphPattern(groupGraphPattern) - | - MinusGraphPattern(groupGraphPattern) - | - GraphGraphPattern(groupGraphPattern) - | - ServiceGraphPattern(groupGraphPattern) - | - constraint=Filter() { - ((SimpleGroupGraphPattern) groupGraphPattern).addConstraint(constraint); } - | - v=Bind() { - // We should either store this binding in the respective variable in SelectQuery - // or we extend the BasicGraphPattern to store such binding. - // If we store the binding in the respective variable in SelectQuery, a serializer - // won't be able to determine whether a binding is defined by the BIND keyword or - // by an expression in the SELECT clause. - // The pre parser needs only to consume tokens, thus may ignore this binding. - - // The use of BIND ends the preceding basic graph pattern, thus ... - ((SimpleGroupGraphPattern) groupGraphPattern).endLastBasicGraphPattern(); } - | - InlineData(groupGraphPattern) - ) -} - -/* [57] OptionalGraphPattern ::= 'OPTIONAL' GroupGraphPattern */ -private void OptionalGraphPattern(GroupGraphPattern groupGraphPattern) : { - GroupGraphPattern optional; } { - - <OPTIONAL> - optional=GroupGraphPattern() { - ((SimpleGroupGraphPattern) groupGraphPattern).addOptionalGraphPattern(optional); } -} - -/* [58] GraphGraphPattern ::= 'GRAPH' VarOrIRI GroupGraphPattern */ -private void GraphGraphPattern(GroupGraphPattern groupGraphPattern) : { - UriRefOrVariable graph; - GroupGraphPattern g; } { - - <GRAPH> - graph=VarOrIRI() - g=GroupGraphPattern() { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(new SimpleGraphGraphPattern(graph, g)); } -} - -/* [59] ServiceGraphPattern ::= 'SERVICE' 'SILENT'? VarOrIRI GroupGraphPattern */ -private void ServiceGraphPattern(GroupGraphPattern groupGraphPattern) : { - UriRefOrVariable service; - GroupGraphPattern g; - boolean silent = false; } { - - <SERVICE> - ( - <SILENT> { - silent = true; } - )? - service=VarOrIRI() - g=GroupGraphPattern() { - SimpleServiceGraphPattern simpleServiceGraphPattern; - simpleServiceGraphPattern = new SimpleServiceGraphPattern(service, g); - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(simpleServiceGraphPattern); - if (silent) { - simpleServiceGraphPattern.setSilent(true); - } } -} - -/* [60] Bind ::= 'BIND' '(' Expression 'AS' Var ')' */ -private Variable Bind() : { - Variable v; - Expression e; } { - - <BIND> - "(" - e=Expression() - <AS> - v=Var() { - v.setBoundExpression(e); } - ")" { - return v; } -} - -/* [61] InlineData ::= 'VALUES' DataBlock */ -private void InlineData(GroupGraphPattern groupGraphPattern) : { - InlineData data; } { - - <VALUES> - data=DataBlock() { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(data); } -} - -/* [62] DataBlock ::= InlineDataOneVar | InlineDataFull */ -private InlineData DataBlock() : { - InlineData inlineData = new SimpleInlineData(); } { - - ( - InlineDataOneVar(inlineData) - | - InlineDataFull(inlineData) - ) { - return inlineData; } -} - -/* [63] InlineDataOneVar ::= Var '{' DataBlockValue* '}' */ -private void InlineDataOneVar(InlineData inlineData) : { - Variable var; - RDFTerm val; } { - - var=Var() { - ((SimpleInlineData) inlineData).addVariable(var); } - "{" - ( - val=DataBlockValue() { - List<RDFTerm> values = new ArrayList<RDFTerm>(); - values.add(val); - ((SimpleInlineData) inlineData).addValues(values); } - )* - "}" -} - -/* [64] InlineDataFull ::= ( NIL | '(' Var* ')' ) '{' ( '(' DataBlockValue* ')' | NIL )* '}' */ -private void InlineDataFull(InlineData inlineData) : { - Variable var; - RDFTerm val; } { - ( - <NIL> - | - "(" - ( - var=Var() { - ((SimpleInlineData) inlineData).addVariable(var); } - )* - - ")" - ) - "{" - ( - ( - "(" { - List<RDFTerm> values = new ArrayList<RDFTerm>(); } - ( - val=DataBlockValue() { - values.add(val); } - )* - ")" { - ((SimpleInlineData) inlineData).addValues(values); } - ) - | - <NIL> { - ((SimpleInlineData) inlineData).addValues(new ArrayList<RDFTerm>()); } - )* - "}" -} - -/* [65] DataBlockValue ::= iri | RDFLiteral | NumericLiteral | BooleanLiteral | 'UNDEF' */ -private RDFTerm DataBlockValue() : { - RDFTerm r = null; } { - (r=IRI() | r=RDFLiteral() | r=NumericLiteral() | r=BooleanLiteral() | <UNDEF> ) { - return r; } -} - -/* [66] MinusGraphPattern ::= 'MINUS' GroupGraphPattern */ -private void MinusGraphPattern(GroupGraphPattern groupGraphPattern) : { - GroupGraphPattern subtrahend; } { - - <MINUS> - subtrahend=GroupGraphPattern() { - ((SimpleGroupGraphPattern) groupGraphPattern).addMinusGraphPattern(subtrahend); } -} - -/* [67] GroupOrUnionGraphPattern ::= GroupGraphPattern ( 'UNION' GroupGraphPattern )* */ -private void GroupOrUnionGraphPattern(GroupGraphPattern groupGraphPattern) : { - GroupGraphPattern g; - AlternativeGraphPattern unionGraphPattern = null; } { - - g=GroupGraphPattern() - ( - <UNION> { - if (unionGraphPattern == null) { - unionGraphPattern = new SimpleAlternativeGraphPattern(g); - } } - g=GroupGraphPattern() { - ((SimpleAlternativeGraphPattern) unionGraphPattern).addAlternativeGraphPattern(g); } - )* { - if (unionGraphPattern != null) { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(unionGraphPattern); - } else { - ((SimpleGroupGraphPattern) groupGraphPattern).addGraphPattern(g); - } } -} - -/* [68] Filter ::= 'FILTER' Constraint */ -private Expression Filter() : { - Expression c; } { - - <FILTER> - c=Constraint() { - return c; } -} - -/* [69] Constraint ::= BrackettedExpression | BuiltInCall | FunctionCall */ -private Expression Constraint() : { - Expression c; } { - - ( c=BrackettedExpression() | c=BuiltInCall() | c=FunctionCall() ) { - return c; } -} - -/* [70] FunctionCall ::= iri ArgList */ -private FunctionCall FunctionCall() : { - IRI name; - List<Expression> arguments; } { - - name=IRI() - arguments=ArgList() { - return new FunctionCall(name, arguments); } -} - -/* [71] ArgList ::= NIL | '(' 'DISTINCT'? Expression ( ',' Expression )* ')' */ -private List<Expression> ArgList() : { - List<Expression> args = new ArrayList<Expression>(); - Expression e; } { - - ( - <NIL> - | - ( - "(" - ( - <DISTINCT> - )? - e=Expression() { - args.add(e); } - ( - "," - e=Expression() { - args.add(e); } - )* - ")" - ) - ) { - return args; } -} - -/* [72] ExpressionList ::= NIL | '(' Expression ( ',' Expression )* ')' */ -private List<Expression> ExpressionList() : { - List<Expression> args = new ArrayList<Expression>(); - Expression e; } { - - ( - <NIL> - | - ( - "(" - e=Expression() { - args.add(e); } - ( - "," - e=Expression() { - args.add(e); } - )* - ")" - ) - ) { - return args; } -} - -/* [73] ConstructTemplate ::= '{' ConstructTriples? '}' */ -private Set<TriplePattern> ConstructTemplate() : { - Set<TriplePattern> triplePatterns = null; } { - - "{" - ( - triplePatterns=ConstructTriples() - )? - "}" { - return triplePatterns; } -} - -/* [74] ConstructTriples ::= TriplesSameSubject ( '.' ConstructTriples? )? */ -private Set<TriplePattern> ConstructTriples() : { - Set<TriplePattern> triplePatterns, t; } { - - triplePatterns=TriplesSameSubject() - ( - "." - ( - t=ConstructTriples() { - triplePatterns.addAll(t); } - )? - )? { - return triplePatterns; } -} - -/* [75] TriplesSameSubject ::= VarOrTerm PropertyListNotEmpty | TriplesNode PropertyList */ -private Set<TriplePattern> TriplesSameSubject() : { - Set<TriplePattern> triplePatterns = new LinkedHashSet<TriplePattern>(); - ResourceOrVariable subject; } { - - ( subject=VarOrTerm() PropertyListNotEmpty(subject, triplePatterns) { - return triplePatterns; } - ) - | - ( subject=TriplesNode(triplePatterns) PropertyList(subject, triplePatterns) { - return triplePatterns; } - ) -} - -/* [76] PropertyList ::= PropertyListNotEmpty? */ -private void PropertyList(ResourceOrVariable subject, Set<TriplePattern> triplePatterns) : { } { - ( PropertyListNotEmpty(subject, triplePatterns) )? -} - -/* [77] PropertyListNotEmpty ::= Verb ObjectList ( ';' ( Verb ObjectList )? )* */ -private void PropertyListNotEmpty(ResourceOrVariable subject, Set<TriplePattern> triplePatterns) : { - UriRefOrVariable predicate; - Set<ResourceOrVariable> objects; } { - predicate=Verb() - objects=ObjectList(triplePatterns) { - addTriplePatterns(triplePatterns, subject, predicate, objects); } - - ( ";" - ( predicate=Verb() objects=ObjectList(triplePatterns) { - addTriplePatterns(triplePatterns, subject, predicate, objects); } - )? - )* -} - -/* [78] Verb ::= VarOrIRI | 'a' */ -private UriRefOrVariable Verb() : { - UriRefOrVariable predicate; } { - - predicate=VarOrIRI() { - return predicate; } - | "a" { - return new UriRefOrVariable(RDF_TYPE); } -} - -/* [79] ObjectList ::= Object ( ',' Object )* */ -private Set<ResourceOrVariable> ObjectList(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable object; } { - - { - Set<ResourceOrVariable> objects = new LinkedHashSet<ResourceOrVariable>(); - } - object=Object(triplePatterns) { - objects.add(object); } - - ( "," - object=Object(triplePatterns) { - objects.add(object); } - )* { - return objects; } -} - -/* [80] Object ::= GraphNode */ -private ResourceOrVariable Object(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable object; } { - - object=GraphNode(triplePatterns) { - return object; } -} - -/* [81] TriplesSameSubjectPath ::= VarOrTerm PropertyListPathNotEmpty | TriplesNodePath PropertyListPath */ -private Set<PropertyPathPattern> TriplesSameSubjectPath() : { - Set<PropertyPathPattern> propertyPathPatterns = new LinkedHashSet<PropertyPathPattern>(); - ResourceOrVariable subject; } { - - ( - subject=VarOrTerm() - PropertyListPathNotEmpty(subject, propertyPathPatterns) { - return propertyPathPatterns; } - ) - | - ( - subject=TriplesNodePath(propertyPathPatterns) - PropertyListPath(subject, propertyPathPatterns) { - return propertyPathPatterns; } - ) -} - -/* [82] PropertyListPath ::= PropertyListPathNotEmpty? */ -private void PropertyListPath(ResourceOrVariable subject, Set<PropertyPathPattern> propertyPathPatterns) : { } { - ( - PropertyListPathNotEmpty(subject, propertyPathPatterns) - )? -} - -/* [83] PropertyListPathNotEmpty ::= ( VerbPath | VerbSimple ) ObjectListPath ( ';' ( ( VerbPath | VerbSimple ) ObjectList )? )* */ -private void PropertyListPathNotEmpty(ResourceOrVariable subject, Set<PropertyPathPattern> propertyPathPatterns) : { - PropertyPathExpressionOrVariable propertyPathExpressionOrVariable; - PropertyPathExpression propertyPathExpression; - Variable v; - Set<ResourceOrVariable> objects; } { - ( - propertyPathExpression=VerbPath() { - propertyPathExpressionOrVariable = new PropertyPathExpressionOrVariable(propertyPathExpression); } - | - v=VerbSimple() { - propertyPathExpressionOrVariable = new PropertyPathExpressionOrVariable(v); } - ) - objects=ObjectListPath(propertyPathPatterns) { - addPropertyPathPatterns(propertyPathPatterns, subject, propertyPathExpressionOrVariable, objects); } - ( - ";" - ( - ( - propertyPathExpression=VerbPath() { - propertyPathExpressionOrVariable = new PropertyPathExpressionOrVariable(propertyPathExpression); } - - | - v=VerbSimple() { - propertyPathExpressionOrVariable = new PropertyPathExpressionOrVariable(v); } - ) - objects=ObjectListPath(propertyPathPatterns) { - addPropertyPathPatterns(propertyPathPatterns, subject, propertyPathExpressionOrVariable, objects); } - )? - )* -} - -/* [84] VerbPath ::= Path */ -private PropertyPathExpression VerbPath() : { - PropertyPathExpression propertyPathExpression; } { - propertyPathExpression=Path() { - return propertyPathExpression; } -} - -/* [85] VerbSimple ::= Var */ -private Variable VerbSimple() : { - Variable v; } { - v=Var() { - return v; } -} - -/* [86] ObjectListPath ::= ObjectPath ( ',' ObjectPath )* */ -private Set<ResourceOrVariable> ObjectListPath(Set<PropertyPathPattern> propertyPathPatterns) : { - ResourceOrVariable object; } { - { - Set<ResourceOrVariable> objects = new LinkedHashSet<ResourceOrVariable>(); - } - object=ObjectPath(propertyPathPatterns) { - objects.add(object); } - - ( - "," - object=ObjectPath(propertyPathPatterns) { - objects.add(object); } - )* { - return objects; } -} - -/* [87] ObjectPath ::= GraphNodePath */ -private ResourceOrVariable ObjectPath(Set<PropertyPathPattern> propertyPathPatterns) : { - ResourceOrVariable object; } { - - object=GraphNodePath(propertyPathPatterns) { - return object; } -} - -/* [88] Path ::= PathAlternative */ -private PropertyPathExpression Path() : { - PropertyPathExpression propertyPathExpression; } { - propertyPathExpression=PathAlternative() { - return propertyPathExpression; } -} - -/* [89] PathAlternative ::= PathSequence ( '|' PathSequence )* */ -private PropertyPathExpression PathAlternative() : { - PropertyPathExpression ppe, pathSequence; } { - - ppe=PathSequence() - ( - "|" - pathSequence=PathSequence() { - ppe = new BinaryPropertyPathOperation("|", ppe, pathSequence); } - )* { - return ppe; } -} - -/* [90] PathSequence ::= PathEltOrInverse ( '/' PathEltOrInverse )* */ -private PropertyPathExpression PathSequence() : { - PropertyPathExpression ppe, pathEltOrInverse; } { - - ppe=PathEltOrInverse() - ( - "/" - pathEltOrInverse=PathEltOrInverse() { - ppe = new BinaryPropertyPathOperation("/", ppe, pathEltOrInverse); } - )* { - return ppe; } -} - -/* [91] PathElt ::= PathPrimary PathMod? */ -private PropertyPathExpression PathElt() : { - PropertyPathExpression ppe; - String pathMode; } { - - ppe=PathPrimary() - ( - pathMode=PathMod() { - ppe = new UnaryPropertyPathOperation(pathMode, ppe); } - )? { - return ppe; } -} - -/* [92] PathEltOrInverse ::= PathElt | '^' PathElt */ -private PropertyPathExpression PathEltOrInverse() : { - PropertyPathExpression ppe; } { - - ( - ppe=PathElt() { - return ppe; } - | - "^" - ppe=PathElt() { - return new UnaryPropertyPathOperation("^", ppe); } - ) -} - -/* [93] PathMod ::= '?' | '*' | '+' */ -private String PathMod() : {} { - ( - "?" { - return "?"; } - | - "*" { - return "*"; } - | - "+" { - return "+"; } - ) -} - -/* [94] PathPrimary ::= iri | 'a' | '!' PathNegatedPropertySet | '(' Path ')' */ -private PropertyPathExpression PathPrimary() : { - PropertyPathExpression ppe; - IRI uriRef; } { - - ( - uriRef=IRI() { - return new PredicatePath(uriRef); } - | - "a" { - return new PredicatePath(RDF_TYPE); } - | - "!" - ppe=PathNegatedPropertySet() { - return new UnaryPropertyPathOperation("!", ppe); } - | - "(" - ppe=Path() { - return ppe; } - ")" - ) -} - -/* [95] PathNegatedPropertySet ::= PathOneInPropertySet | '(' ( PathOneInPropertySet ( '|' PathOneInPropertySet )* )? ')' */ -private PropertyPathExpression PathNegatedPropertySet() : { - PropertyPathExpression pathOneInPropertySet; - PropertySet propertySet = new PropertySet(); } { - - ( - pathOneInPropertySet=PathOneInPropertySet() { - return pathOneInPropertySet; } - | - "(" - ( - pathOneInPropertySet=PathOneInPropertySet() { - propertySet.addElement(pathOneInPropertySet); } - ( - "|" - pathOneInPropertySet=PathOneInPropertySet() { - propertySet.addElement(pathOneInPropertySet); } - )* - )? - ")" { - return propertySet; } - ) -} - -/* [96] PathOneInPropertySet ::= iri | 'a' | '^' ( iri | 'a' ) */ -private PropertyPathExpression PathOneInPropertySet() : { - IRI uriRef; } { - - ( - uriRef=IRI() { - return new PredicatePath(uriRef); } - | - "a" { - return new PredicatePath(RDF_TYPE); } - | - "^" - ( - uriRef=IRI() { - return new UnaryPropertyPathOperation("^", new PredicatePath(uriRef)); } - | - "a" { - return new UnaryPropertyPathOperation("^", new PredicatePath(RDF_TYPE)); } - ) - ) -} - -/* [97] Integer ::= INTEGER */ - -// Fill in the specified set of TriplePattern and returns the subject node -/* [98] TriplesNode ::= Collection | BlankNodePropertyList */ -private ResourceOrVariable TriplesNode(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable subject; } { - ( - subject=Collection(triplePatterns) - | - subject=BlankNodePropertyList(triplePatterns) - ) { - return subject; } -} - -/* [99] BlankNodePropertyList ::= '[' PropertyListNotEmpty ']' */ -private ResourceOrVariable BlankNodePropertyList(Set<TriplePattern> triplePatterns) : { } { - { - ResourceOrVariable subject = getNewBNode(); - } - "[" - PropertyListNotEmpty(subject, triplePatterns) - "]" { - return subject; } -} - -/* [100] TriplesNodePath ::= CollectionPath | BlankNodePropertyListPath */ -private ResourceOrVariable TriplesNodePath(Set<PropertyPathPattern> propertyPathPatterns) : { - ResourceOrVariable subject; } { - ( - subject=CollectionPath(propertyPathPatterns) - | - subject=BlankNodePropertyListPath(propertyPathPatterns) - ) { - return subject; } -} - - -/* [101] BlankNodePropertyListPath ::= '[' PropertyListPathNotEmpty ']' */ -private ResourceOrVariable BlankNodePropertyListPath(Set<PropertyPathPattern> propertyPathPatterns) : {} { - { - ResourceOrVariable subject = getNewBNode(); - } - "[" - PropertyListPathNotEmpty(subject, propertyPathPatterns) - "]" { - return subject; } -} - -/* [102] Collection ::= '(' GraphNode+ ')' */ -private ResourceOrVariable Collection(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable node; - List<ResourceOrVariable> nodes = new ArrayList<ResourceOrVariable>(); } { - - "(" - ( - node=GraphNode(triplePatterns) { - nodes.add(node); } - )+ - ")" { - return addTriplePatterns(triplePatterns, nodes); } -} - -/* [103] CollectionPath ::= '(' GraphNodePath+ ')' */ -private ResourceOrVariable CollectionPath(Set<PropertyPathPattern> propertyPathPatterns) : { - ResourceOrVariable node; - List<ResourceOrVariable> nodes = new ArrayList<ResourceOrVariable>(); } { - - "(" - ( - node=GraphNodePath(propertyPathPatterns) { - nodes.add(node); } - )+ - ")" { - return addPropertyPathPatterns(propertyPathPatterns, nodes); } -} - -/* [104] GraphNode ::= VarOrTerm | TriplesNode */ -private ResourceOrVariable GraphNode(Set<TriplePattern> triplePatterns) : { - ResourceOrVariable node; } { - ( - node=VarOrTerm() - | - node=TriplesNode(triplePatterns) - ) { - return node; } -} - -/* [105] GraphNodePath ::= VarOrTerm | TriplesNodePath */ -private ResourceOrVariable GraphNodePath(Set<PropertyPathPattern> propertyPathPatterns) : { - ResourceOrVariable node; } { - ( - node=VarOrTerm() - | - node=TriplesNodePath(propertyPathPatterns) - ) { - return node; } -} - -/* [106] VarOrTerm ::= Var | GraphTerm */ -private ResourceOrVariable VarOrTerm() : { - ResourceOrVariable r; - Variable v; } { - - ( - v=Var() { - return new ResourceOrVariable(v); } - | - r=GraphTerm() { - return r; } - ) -} - -/* [107] VarOrIRI ::= Var | iri */ -private UriRefOrVariable VarOrIRI() : { - Variable var; - IRI uriRef; } { - - ( - var=Var() { - return new UriRefOrVariable(var); } - | - uriRef=IRI() { - return new UriRefOrVariable(uriRef); } - ) -} - -/* [108] Var ::= VAR1 | VAR2 */ -private Variable Var() : { - Token t;} { - - (t=<VAR1> | t=<VAR2>) { - return createVariable(t.image); } -} - -/* [109] GraphTerm ::= IRI | RDFLiteral | NumericLiteral | BooleanLiteral | BlankNode | NIL */ -private ResourceOrVariable GraphTerm() : { - ResourceOrVariable bNode = null; - RDFTerm r = null; } { - - (r=IRI() | r=RDFLiteral() | r=NumericLiteral() | r=BooleanLiteral() | bNode=BlankNode() | <NIL> { - r = RDF_NIL; }) { - if (bNode == null) { - return new ResourceOrVariable(r); - } - return bNode; } -} - -/* [110] Expression ::= ConditionalOrExpression */ -private Expression Expression() : { - Expression e; } { - - e=ConditionalOrExpression() { - return e; } -} - -/* [111] ConditionalOrExpression ::= ConditionalAndExpression ( '||' ConditionalAndExpression )* */ -private Expression ConditionalOrExpression() : { - Expression e, ae; } { - - e=ConditionalAndExpression() - ( - "||" ae=ConditionalAndExpression() { - e = new BinaryOperation("||", e, ae); } - )* { - return e; } -} - -/* [112] ConditionalAndExpression ::= ValueLogical ( '&&' ValueLogical )* */ -private Expression ConditionalAndExpression() : { - Expression e, e2; } { - - e=ValueLogical() - ( - "&&" e2=ValueLogical() { - e = new BinaryOperation("&&", e, e2); } - )* { - return e; } -} - -/* [113] ValueLogical ::= RelationalExpression */ -private Expression ValueLogical() : { - Expression e; } { - - e=RelationalExpression() { - return e; } -} - -/* [114] RelationalExpression ::= NumericExpression ( '=' NumericExpression | '!=' NumericExpression | '<' NumericExpression | '>' NumericExpression | '<=' NumericExpression | '>=' NumericExpression | 'IN' ExpressionList | 'NOT' 'IN' ExpressionList )? */ -private Expression RelationalExpression() : { - Expression e, e2; - List<Expression> l; } { - - e=NumericExpression() - ( - "=" e2=NumericExpression() { - e = new BinaryOperation("=", e, e2); } - | - "!=" e2=NumericExpression() { - e = new BinaryOperation("!=", e, e2); } - | - "<" e2=NumericExpression() { - e = new BinaryOperation("<", e, e2); } - | - ">" e2=NumericExpression() { - e = new BinaryOperation(">", e, e2); } - | - "<=" e2=NumericExpression() { - e = new BinaryOperation("<=", e, e2); } - | - ">=" e2=NumericExpression() { - e = new BinaryOperation(">=", e, e2); } - | - <IN> l=ExpressionList() { - e = new RhsListBinaryOperation("IN", e, l); } - | - <NOT> <IN> l=ExpressionList() { - e = new RhsListBinaryOperation("NOT IN", e, l); } - )? { - return e; } -} - -/* [115] NumericExpression ::= AdditiveExpression */ -private Expression NumericExpression() : { - Expression e; } { - - e=AdditiveExpression() { - return e; } -} - -/* [116] AdditiveExpression ::= MultiplicativeExpression ( '+' MultiplicativeExpression | '-' MultiplicativeExpression | ( NumericLiteralPositive | NumericLiteralNegative ) ( ( '*' UnaryExpression ) | ( '/' UnaryExpression ) )* )* */ -private Expression AdditiveExpression() : { - Expression e, e2, u; - Literal l; } { - - e=MultiplicativeExpression() - ( - "+" e2=MultiplicativeExpression() { - e = new BinaryOperation("+", e, e2); } - | - "-" e2=MultiplicativeExpression() { - e = new BinaryOperation("-", e, e2); } - | - ( - ( - l=NumericLiteralPositive() - | - l=NumericLiteralNegative() - ) { - e2 = new LiteralExpression(l); } - ( - "*" u=UnaryExpression() { - e2 = new BinaryOperation("*", e2, u); } - | - "/" u=UnaryExpression() { - e2 = new BinaryOperation("/", e2, u); } - )* - ) { - e = new BinaryOperation("+", e, e2); } - )* { - return e; } -} - -/* [117] MultiplicativeExpression ::= UnaryExpression ( '*' UnaryExpression | '/' UnaryExpression )* */ -private Expression MultiplicativeExpression() : { - Expression e, e2; } { - - e=UnaryExpression() - ( - "*" e2=UnaryExpression() { - e = new BinaryOperation("*", e, e2); } - | - "/" e2=UnaryExpression() { - e = new BinaryOperation("/", e, e2); } - )* { - return e; } -} - -/* [118] UnaryExpression ::= '!' PrimaryExpression | '+' PrimaryExpression | '-' PrimaryExpression | PrimaryExpression */ -private Expression UnaryExpression() : { - Expression e; } { - - "!" e=PrimaryExpression() { - return new UnaryOperation("!", e); } - | - "+" e=PrimaryExpression() { - return new UnaryOperation("+", e); } - | - "-" e=PrimaryExpression() { - return new UnaryOperation("-", e); } - | - e=PrimaryExpression() { - return e; } -} - -/* [119] PrimaryExpression ::= BrackettedExpression | BuiltInCall | iriOrFunction | RDFLiteral | NumericLiteral | BooleanLiteral | Var */ -private Expression PrimaryExpression() : { - Expression e = null; - Literal l = null; } { - - ( - e=BrackettedExpression() -/* There is a capture all names in BuiltInCall, so put it last - | - e=BuiltInCall() -*/ - | - e=IRIOrFunction() - | - l=RDFLiteral() - | - l=NumericLiteral() - | - l=BooleanLiteral() - | - e=Var() - | - e=BuiltInCall() - ) { - if (l != null) { - return new LiteralExpression(l); - } - return e; } -} - -/* [120] BrackettedExpression ::= '(' Expression ')' */ -private Expression BrackettedExpression() : { - Expression e; } { - - "(" - e=Expression() - ")" { - return e; } -} - -/* [121] BuiltInCall ::= Aggregate -| 'STR' '(' Expression ')' -| 'LANG' '(' Expression ')' -| 'LANGMATCHES' '(' Expression ',' Expression ')' -| 'DATATYPE' '(' Expression ')' -| 'BOUND' '(' Var ')' -| 'IRI' '(' Expression ')' -| 'URI' '(' Expression ')' -| 'BNODE' ( '(' Expression ')' | NIL ) -| 'RAND' NIL -| 'ABS' '(' Expression ')' -| 'CEIL' '(' Expression ')' -| 'FLOOR' '(' Expression ')' -| 'ROUND' '(' Expression ')' -| 'CONCAT' ExpressionList -| SubstringExpression -| 'STRLEN' '(' Expression ')' -| StrReplaceExpression -| 'UCASE' '(' Expression ')' -| 'LCASE' '(' Expression ')' -| 'ENCODE_FOR_URI' '(' Expression ')' -| 'CONTAINS' '(' Expression ',' Expression ')' -| 'STRSTARTS' '(' Expression ',' Expression ')' -| 'STRENDS' '(' Expression ',' Expression ')' -| 'STRBEFORE' '(' Expression ',' Expression ')' -| 'STRAFTER' '(' Expression ',' Expression ')' -| 'YEAR' '(' Expression ')' -| 'MONTH' '(' Expression ')' -| 'DAY' '(' Expression ')' -| 'HOURS' '(' Expression ')' -| 'MINUTES' '(' Expression ')' -| 'SECONDS' '(' Expression ')' -| 'TIMEZONE' '(' Expression ')' -| 'TZ' '(' Expression ')' -| 'NOW' NIL -| 'UUID' NIL -| 'STRUUID' NIL -| 'MD5' '(' Expression ')' -| 'SHA1' '(' Expression ')' -| 'SHA256' '(' Expression ')' -| 'SHA384' '(' Expression ')' -| 'SHA512' '(' Expression ')' -| 'COALESCE' ExpressionList -| 'IF' '(' Expression ',' Expression ',' Expression ')' -| 'STRLANG' '(' Expression ',' Expression ')' -| 'STRDT' '(' Expression ',' Expression ')' -| 'sameTerm' '(' Expression ',' Expression ')' -| 'isIRI' '(' Expression ')' -| 'isURI' '(' Expression ')' -| 'isBLANK' '(' Expression ')' -| 'isLITERAL' '(' Expression ')' -| 'isNUMERIC' '(' Expression ')' -| RegexExpression -| ExistsFunc -| NotExistsFunc - -[122] RegexExpression ::= 'REGEX' '(' Expression ',' Expression ( ',' Expression )? ')' -[123] SubstringExpression ::= 'SUBSTR' '(' Expression ',' Expression ( ',' Expression )? ')' -[124] StrReplaceExpression ::= 'REPLACE' '(' Expression ',' Expression ',' Expression ( ',' Expression )? ')' - -[127] Aggregate ::= 'COUNT' '(' 'DISTINCT'? ( '*' | Expression ) ')' -| 'SUM' '(' 'DISTINCT'? Expression ')' -| 'MIN' '(' 'DISTINCT'? Expression ')' -| 'MAX' '(' 'DISTINCT'? Expression ')' -| 'AVG' '(' 'DISTINCT'? Expression ')' -| 'SAMPLE' '(' 'DISTINCT'? Expression ')' -| 'GROUP_CONCAT' '(' 'DISTINCT'? Expression ( ';' 'SEPARATOR' '=' String )? ')' - -*/ - -private BuiltInCall BuiltInCall() : { - List<Expression> args = new ArrayList<Expression>(); - String name, s; - Expression e; } { - ( - <GROUP_CONCAT> { - name = "GROUP_CONCAT"; } - "(" - ( - <DISTINCT> - )? - ( - e=Expression() { - args.add(e); } - ( - ";" - <SEPARATOR> - "=" - s = String() - )? - ) - ")" - | - <BOUND> { - name = "BOUND"; } - "(" - e=Var() { - args.add(e); } - ")" - | - <BNODE> { - name = "BNODE"; } - ( - ( - "(" - e=Expression() { - args.add(e); } - ")" - ) - | - <NIL> - ) - | - <RAND> { - name = "RAND"; } - <NIL> - | - <CONCAT> { - name = "CONCAT"; } - args=ExpressionList() - | - <NOW> { - name = "NOW"; } - <NIL> - | - <UUID> { - name = "UUID"; } - <NIL> - | - <STRUUID> { - name = "STRUUID"; } - <NIL> - | - <COALESCE> { - name = "COALESCE"; } - args=ExpressionList() - | - e=NotExistsFunc() { - return (BuiltInCall) e; } - | - e=ExistsFunc() { - return (BuiltInCall) e; } - | - name=BuiltInCallName() - "(" - ( - <DISTINCT> - )? - ( - "*" - | - ( - e=Expression() { - args.add(e); } - ( - "," - e=Expression() { - args.add(e); } - )* - ) - ) - ")" - ) { - return new BuiltInCall(name, args); } -} - -private String BuiltInCallName() : { - Token t;} { - - t=<BUILT_IN_CALL_NAME> { - return t.image; } -} - -/* [125] ExistsFunc ::= 'EXISTS' GroupGraphPattern */ -private Expression ExistsFunc() : { - GroupGraphPattern pattern; - PatternExistenceCondition patternExistenceCondition; } { - - <EXISTS> - pattern = GroupGraphPattern() { - patternExistenceCondition = new PatternExistenceCondition(); - patternExistenceCondition.setPattern(pattern); - return patternExistenceCondition; } -} - -/* [126] NotExistsFunc ::= 'NOT' 'EXISTS' GroupGraphPattern */ -private Expression NotExistsFunc() : { - GroupGraphPattern pattern; - PatternExistenceCondition patternExistenceCondition; } { - - <NOT> <EXISTS> - pattern = GroupGraphPattern() { - patternExistenceCondition = new PatternExistenceCondition(); - patternExistenceCondition.setPattern(pattern); - patternExistenceCondition.setExistenceTest(false); - return patternExistenceCondition; } -} - -/* [128] IRIOrFunction ::= iri ArgList? */ -private Expression IRIOrFunction() : { - IRI uriRef; - List<Expression> args; } { - - uriRef=IRI() - ( - args=ArgList() { - return new FunctionCall(uriRef, args); } - )? { - return new UriRefExpression(uriRef); } -} - -/* [129] RDFLiteral ::= String ( LANGTAG | ( '^^' iri ) )? */ -private Literal RDFLiteral() : { - Token t; - String s; - IRI type; } { - - s = String() - ( - t=<LANGTAG> { - return new PlainLiteralImpl(s, new Language(t.image.substring(1))); } - | - ( - "^^" - type=IRI() { - return new TypedLiteralImpl(s, type); } - ) - )? { - return new PlainLiteralImpl(s); } -} - -/* [130] NumericLiteral ::= NumericLiteralUnsigned | NumericLiteralPositive | NumericLiteralNegative */ -private Literal NumericLiteral() : { - Literal l; } { - - ( - l=NumericLiteralUnsigned() - | - l=NumericLiteralPositive() - | - l=NumericLiteralNegative() - ) { - return l; } -} - -/* [131] NumericLiteralUnsigned ::= INTEGER | DECIMAL | DOUBLE */ -private Literal NumericLiteralUnsigned() : { - Token t; } { - - t=<INTEGER> { - return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); } - | - t=<DECIMAL> { - return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); } - | - t=<DOUBLE> { - return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); } -} - -/* [132] NumericLiteralPositive ::= INTEGER_POSITIVE | DECIMAL_POSITIVE | DOUBLE_POSITIVE */ -private Literal NumericLiteralPositive() : { - Token t; } { - - t=<INTEGER_POSITIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); } - | - t=<DECIMAL_POSITIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); } - | - t=<DOUBLE_POSITIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); } -} - -/* [133] NumericLiteralNegative ::= INTEGER_NEGATIVE | DECIMAL_NEGATIVE | DOUBLE_NEGATIVE */ -private Literal NumericLiteralNegative() : { - Token t; } { - - t=<INTEGER_NEGATIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Long.valueOf(t.image)); } - | - t=<DECIMAL_NEGATIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Float.valueOf(t.image)); } - | - t=<DOUBLE_NEGATIVE> { - return LiteralFactory.getInstance().createTypedLiteral(Double.valueOf(t.image)); } -} - -/* [134] BooleanLiteral ::= 'true' | 'false' */ -private Literal BooleanLiteral() : {} { - - <TRUE> { - return LiteralFactory.getInstance().createTypedLiteral(true); } - | - <FALSE> { - return LiteralFactory.getInstance().createTypedLiteral(false); } -} - -/* [135] String ::= STRING_LITERAL1 | STRING_LITERAL2 | STRING_LITERAL_LONG1 | STRING_LITERAL_LONG2 */ -private String String() : { - Token t; } { - - t=<STRING_LITERAL1> { - return unquote(t.image) ; } - | - t=<STRING_LITERAL2> { - return unquote(t.image) ; } - | - t=<STRING_LITERAL_LONG1> { - return unTripleQuote(t.image) ; } - | - t=<STRING_LITERAL_LONG2> { - return unTripleQuote(t.image) ; } -} - -/* [136] iri ::= IRIREF | PrefixedName */ -private IRI IRI() : { - IRI uriRef; - Token t; } { - - t=<IRIREF> { - return createUriRef(unquote(t.image)); } - | - uriRef=PrefixedName() { - return uriRef; } -} - -/* [137] PrefixedName ::= PNAME_LN | PNAME_NS */ -private IRI PrefixedName() : { - Token t; } { - - ( t=<PNAME_LN> | t=<PNAME_NS> ) { - return createUriRef(t.image); } -} - -/* [138] BlankNode ::= BLANK_NODE_LABEL | ANON */ -private ResourceOrVariable BlankNode() : { - Token t; } { - - t=<BLANK_NODE_LABEL> { - return getBNode(t.image); } - | - <ANON> { - return getNewBNode(); } -} - - -TOKEN : { - /* [139] IRIREF ::= '<' ([^<>"{}|^`\]-[#x00-#x20])* '>' */ - < IRIREF : "<" ( ~["<", ">", "\"", "{", "}", "|", "^", "`", "\\", "\u0000"-"\u0020"] )* ">" > - | - /* [140] PNAME_NS ::= PN_PREFIX? ':' */ - < PNAME_NS : (<PN_PREFIX>)? ":" > - | - /* [141] PNAME_LN ::= PNAME_NS PN_LOCAL */ - < PNAME_LN : <PNAME_NS> <PN_LOCAL> > - | - /* [142] BLANK_NODE_LABEL ::= '_:' ( PN_CHARS_U | [0-9] ) ((PN_CHARS|'.')* PN_CHARS)? */ - < BLANK_NODE_LABEL : "_:" ( <PN_CHARS_U> | ["0"-"9"] ) ( ( <PN_CHARS> | "." )* <PN_CHARS> )? > - | - /* [143] VAR1 ::= '?' VARNAME */ - < VAR1 : "?" <VARNAME> > - | - /* [144] VAR2 ::= '$' VARNAME */ - < VAR2 : "$" <VARNAME> > - | - /* [145] LANGTAG ::= '@' [a-zA-Z]+ ('-' [a-zA-Z0-9]+)* */ - < LANGTAG : "@" (["a"-"z", "A"-"Z"])+ ( "-" (["a"-"z", "A"-"Z", "0"-"9"])+ )* > - | - < BUILT_IN_CALL_NAME : ["a"-"z", "A"-"Z", "_"] (["a"-"z", "A"-"Z", "0"-"9", "_"])* > -} - -TOKEN : { - < #Z_9 : ["0"-"9"] > - | - < #Z_9r : (<Z_9>)+ > - | - < #Z_9o : (<Z_9>)* > - | - /* [146] INTEGER ::= [0-9]+ */ - < INTEGER : <Z_9r> > - | - /* [147] DECIMAL ::= [0-9]* '.' [0-9]+ */ - < DECIMAL : <Z_9o> "." <Z_9r> > - | - /* [148] DOUBLE ::= [0-9]+ '.' [0-9]* EXPONENT | '.' ([0-9])+ EXPONENT | ([0-9])+ EXPONENT */ - < DOUBLE : ( <Z_9r> "." <Z_9o> <EXPONENT> ) | ( "." <Z_9r> <EXPONENT> ) | ( <Z_9r> <EXPONENT> ) > - | - /* [149] INTEGER_POSITIVE ::= '+' INTEGER */ - < INTEGER_POSITIVE : "+" <INTEGER> > - | - /* [150] DECIMAL_POSITIVE ::= '+' DECIMAL */ - < DECIMAL_POSITIVE : "+" <DECIMAL> > - | - /* [151] DOUBLE_POSITIVE ::= '+' DOUBLE */ - < DOUBLE_POSITIVE : "+" <DOUBLE> > - | - /* [152] INTEGER_NEGATIVE ::= '-' INTEGER */ - < INTEGER_NEGATIVE : "-" <INTEGER> > - | - /* [153] DECIMAL_NEGATIVE ::= '-' DECIMAL */ - < DECIMAL_NEGATIVE : "-" <DECIMAL> > - | - /* [154] DOUBLE_NEGATIVE ::= '-' DOUBLE */ - < DOUBLE_NEGATIVE : "-" <DOUBLE> > - | - /* [155] EXPONENT ::= [eE] [+-]? [0-9]+ */ - < #EXPONENT : ["e","E"] (["+","-"])? <Z_9r> > -} - -TOKEN : { - /* [156] STRING_LITERAL1 ::= "'" ( ([^#x27#x5C#xA#xD]) | ECHAR )* "'" */ - < STRING_LITERAL1 : "'" ( ~["'", "\\", "\r", "\n"] | <ECHAR> )* "'" > - | - /* [157] STRING_LITERAL2 ::= '"' ( ([^#x22#x5C#xA#xD]) | ECHAR )* '"' */ - < STRING_LITERAL2 : "\"" ( ~["\"", "\\", "\r", "\n"] | <ECHAR> )* "\"" > - | - /* [158] STRING_LITERAL_LONG1 ::= "'''" ( ( "'" | "''" )? ( [^'\] | ECHAR ) )* "'''" */ - < STRING_LITERAL_LONG1 : "'''" ( ( "'" | "''" )? ( ~["'","\\"] | <ECHAR> ) )* "'''" > - | - /* [159] STRING_LITERAL_LONG2 ::= '"""' ( ( '"' | '""' )? ( [^"\] | ECHAR ) )* '"""' */ - < STRING_LITERAL_LONG2 : "\"\"\"" ( ( "\"" | "\"\"" )? ( ~["\"","\\"] | <ECHAR> ) )* "\"\"\"" > - | - /* [160] #ECHAR ::= '\' [tbnrf\"'] */ - < #ECHAR : "\\" ["t","b","n","r","f","\\","\"","'"] > -} - -TOKEN : { - /* [161] NIL ::= '(' WS* ')' */ - < NIL : "(" (<WS>)* ")" > - | - /* [162] WS ::= #x20 | #x9 | #xD | #xA */ - < #WS : " " | "\t" | "\n" | "\r" > - | - /* [163] ANON ::= '[' WS* ']' */ - < ANON : "[" (<WS>)* "]" > -} - -TOKEN : { - /* [164] #PN_CHARS_BASE ::= [A-Z] | [a-z] | [#x00C0-#x00D6] | [#x00D8-#x00F6] | [#x00F8-#x02FF] | [#x0370-#x037D] | [#x037F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF] */ - < #PN_CHARS_BASE : ["A"-"Z", "a"-"z", "\u00C0"-"\u00D6", "\u00D8"-"\u00F6", "\u00F8"-"\u02FF", "\u0370"-"\u037D", "\u037F"-"\u1FFF", "\u200C"-"\u200D", "\u2070"-"\u218F", "\u2C00"-"\u2FEF", "\u3001"-"\uD7FF", "\uF900"-"\uFDCF", "\uFDF0"-"\uFFFD"] > - | - /* [165] #PN_CHARS_U ::= PN_CHARS_BASE | '_' */ - < #PN_CHARS_U : <PN_CHARS_BASE> | "_" > - | - /* [166] #VARNAME ::= ( PN_CHARS_U | [0-9] ) ( PN_CHARS_U | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040] )* */ - < #VARNAME : (<PN_CHARS_U> | <Z_9>) (<PN_CHARS_U> | <Z_9> | "\u00b7" | ["\u0300"-"\u036f"] | ["\u203f"-"\u2040"])* > - | - /* [167] #PN_CHARS ::= PN_CHARS_U | '-' | [0-9] | #x00B7 | [#x0300-#x036F] | [#x203F-#x2040] */ - < #PN_CHARS : <PN_CHARS_U> | "-" | <Z_9> | "\u00b7" | ["\u0300"-"\u036f"] | ["\u203f"-"\u2040"] > - | - /* [168] PN_PREFIX ::= PN_CHARS_BASE ((PN_CHARS|'.')* PN_CHARS)? */ - < PN_PREFIX : <PN_CHARS_BASE> ((<PN_CHARS> | "." )* <PN_CHARS>)? > - | - /* [169] PN_LOCAL ::= ( PN_CHARS_U | ':' | [0-9] | PLX ) ((PN_CHARS | '.' | ':' | PLX)* (PN_CHARS | ':' | PLX) )? */ - /* Note that SPARQL local names allow leading digits while XML local names do not. */ - < PN_LOCAL : (<PN_CHARS_U> | ":" | <Z_9> | <PLX>) ((<PN_CHARS> | "." | ":" | <PLX>)* (<PN_CHARS> | ":" | <PLX>) )? > - | - /* [170] PLX ::= PERCENT | PN_LOCAL_ESC */ - < PLX : <PERCENT> | <PN_LOCAL_ESC> > - | - /* [171] PERCENT ::= '%' HEX HEX */ - < PERCENT : "%" <HEX> <HEX> > - | - /* [172] HEX ::= [0-9] | [A-F] | [a-f] */ - < #HEX : <Z_9> | ["A"-"F", "a"-"f"] > - | - /* [173] PN_LOCAL_ESC ::= '\' ( '_' | '~' | '.' | '-' | '!' | '$' | '&' | "'" | '(' | ')' | '*' | '+' | ',' | ';' | '=' | '/' | '?' | '#' | '@' | '%' ) */ - < PN_LOCAL_ESC : "\\" ( "_" | "~" | "." | "-" | "!" | "$" | "&" | "'" | "(" | ")" | "*" | "+" | "," | ";" | "=" | "/" | "?" | "#" | "@" | "%" ) > -}
