public class CQLParser {
private CQLLexer lexer;
private int compat; // When false, implement CQL 1.2
- public static int V1POINT1 = 12368;
- public static int V1POINT2 = 12369;
- public static int V1POINT1SORT = 12370;
+ public static final int V1POINT1 = 12368;
+ public static final int V1POINT2 = 12369;
+ public static final int V1POINT1SORT = 12370;
static private boolean DEBUG = false;
static private boolean LEXDEBUG = false;
debug("non-parenthesised term");
word = matchSymbol("index or term");
- if (!isSymbolicRelation() && lexer.ttype != lexer.TT_WORD)
+ while (lexer.ttype == lexer.TT_WORD && !isRelation()) {
+ word = word + " " + lexer.sval;
+ match(lexer.TT_WORD);
+ }
+
+ if (!isRelation())
break;
index = word;
relation = new CQLRelation(relstr);
match(lexer.ttype);
ModifierSet ms = gatherModifiers(relstr);
- relation.setModifiers(ms);
+ relation.ms = ms;
debug("index='" + index + ", " +
"relation='" + relation.toCQL() + "'");
}
return new CQLPrefixNode(name, identifier, node);
}
- // Checks for a relation
+ private boolean isRelation() {
+ debug("isRelation: checking ttype=" + lexer.ttype +
+ " (" + lexer.render() + ")");
+ if (lexer.ttype == lexer.TT_WORD &&
+ (lexer.sval.indexOf('.') >= 0 ||
+ lexer.sval.equals("any") ||
+ lexer.sval.equals("all") ||
+ lexer.sval.equals("within") ||
+ lexer.sval.equals("encloses") ||
+ lexer.sval.equals("exact") ||
+ (lexer.sval.equals("scr") && compat != V1POINT2) ||
+ (lexer.sval.equals("adj") && compat == V1POINT2)))
+ return true;
+
+ return isSymbolicRelation();
+ }
+
private boolean isSymbolicRelation() {
debug("isSymbolicRelation: checking ttype=" + lexer.ttype +
" (" + lexer.render() + ")");