Mercurial Hosting > luan

annotate src/goodjava/lucene/queryparser/GoodQueryParser.java @ 2023:544ccce564f6 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
minor
author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 20 Oct 2025 17:34:14 -0600
parents d1e7564a9ce5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1458
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
1 package goodjava.lucene.queryparser;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
2
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
3 import java.util.List;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
4 import java.util.ArrayList;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
5 import java.util.regex.Pattern;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
6 import org.apache.lucene.search.Query;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
7 import org.apache.lucene.search.MatchAllDocsQuery;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
8 import org.apache.lucene.search.BooleanClause;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
9 import org.apache.lucene.search.BooleanQuery;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
10 import org.apache.lucene.search.Sort;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
11 import org.apache.lucene.search.SortField;
1402
27efb1fcbcb5 move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents: 1362
diff changeset
12 import goodjava.parser.Parser;
27efb1fcbcb5 move luan.lib to goodjava
Franklin Schmidt <fschmidt@gmail.com>
parents: 1362
diff changeset
13 import goodjava.parser.ParseException;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
14
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
15
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
16 public class GoodQueryParser {
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
17
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
18 public static Query parseQuery(FieldParser fieldParser,String query) throws ParseException {
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
19 return new GoodQueryParser(fieldParser,query).parseQuery();
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
20 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
21
1622
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
22 public static String quote(String s) {
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
23 s = s.replace("\\","\\\\");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
24 s = s.replace("\b","\\b");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
25 s = s.replace("\f","\\f");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
26 s = s.replace("\n","\\n");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
27 s = s.replace("\r","\\r");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
28 s = s.replace("\t","\\t");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
29 s = s.replace("\"","\\\"");
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
30 return '"'+s+'"';
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
31 }
Franklin Schmidt <fschmidt@gmail.com>
parents: 1621
diff changeset
32
1619
83caee2ed4ad Lucene.escape
Franklin Schmidt <fschmidt@gmail.com>
parents: 1572
diff changeset
33 public static String escape(String s) {
1458
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
34 s = s.replace("\\","\\\\");
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
35 s = s.replace("\b","\\b");
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
36 s = s.replace("\f","\\f");
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
37 s = s.replace("\n","\\n");
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
38 s = s.replace("\r","\\r");
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
39 s = s.replace("\t","\\t");
6b6c11c9164e goodjava.lucene
Franklin Schmidt <fschmidt@gmail.com>
parents: 1422
diff changeset
40 s = s.replace("\"","\\\"");
1621
Franklin Schmidt <fschmidt@gmail.com>
parents: 1619
diff changeset
41 s = s.replace("-","\\-");
1619
83caee2ed4ad Lucene.escape
Franklin Schmidt <fschmidt@gmail.com>
parents: 1572
diff changeset
42 return s;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
43 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
44
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
45 public static Sort parseSort(FieldParser fieldParser,String sort) throws ParseException {
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
46 return new GoodQueryParser(fieldParser,sort).parseSort();
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
47 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
48
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
49
1749
d1e7564a9ce5 improve query parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1622
diff changeset
50 private static final String NOT_IN_RANGE = " \t\r\n\":[]{}^()";
d1e7564a9ce5 improve query parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1622
diff changeset
51 private static final String NOT_IN_TERM = NOT_IN_RANGE;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
52 private static final String NOT_IN_FIELD = NOT_IN_TERM + ",";
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
53 private final FieldParser fieldParser;
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
54 private final Parser parser;
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
55
1459
b04b8fc5f4f4 GoodQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1458
diff changeset
56 private GoodQueryParser(FieldParser fieldParser,String query) {
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
57 this.fieldParser = fieldParser;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
58 this.parser = new Parser(query);
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
59 parser.begin();
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
60 }
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
61
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
62 ParseException exception(String msg) {
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
63 parser.failure();
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
64 return new ParseException(parser,msg);
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
65 }
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
66
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
67 ParseException exception(Exception cause) {
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
68 parser.failure();
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
69 return new ParseException(parser,cause);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
70 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
71
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
72 private Query parseQuery() throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
73 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
74 BooleanQuery bq = new BooleanQuery();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
75 while( !parser.endOfInput() ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
76 bq.add( Term(null) );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
77 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
78 BooleanClause[] clauses = bq.getClauses();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
79 switch( clauses.length ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
80 case 0:
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
81 return new MatchAllDocsQuery();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
82 case 1:
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
83 {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
84 BooleanClause bc = clauses[0];
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
85 if( bc.getOccur() != BooleanClause.Occur.MUST_NOT )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
86 return bc.getQuery();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
87 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
88 default:
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
89 return bq;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
90 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
91 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
92
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
93 private BooleanClause Term(String defaultField) throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
94 BooleanClause.Occur occur;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
95 if( parser.match('+') ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
96 occur = BooleanClause.Occur.MUST;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
97 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
98 } else if( parser.match('-') ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
99 occur = BooleanClause.Occur.MUST_NOT;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
100 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
101 } else {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
102 occur = BooleanClause.Occur.SHOULD;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
103 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
104 String field = QueryField();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
105 if( field == null )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
106 field = defaultField;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
107 Query query = NestedTerm(field);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
108 if( query == null )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
109 query = RangeTerm(field);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
110 if( query == null ) {
1572
45e42f403fb3 minor - lucene query parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1564
diff changeset
111 //parser.begin();
1362
77f2d091f17f minor - SaneQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
112 String match = SimpleTerm(NOT_IN_TERM);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
113 query = fieldParser.getQuery(this,field,match);
1572
45e42f403fb3 minor - lucene query parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1564
diff changeset
114 //parser.success();
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
115 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
116 if( parser.match('^') ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
117 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
118 int start = parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
119 try {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
120 while( parser.anyOf("0123456789.") );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
121 String match = parser.textFrom(start);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
122 float boost = Float.parseFloat(match);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
123 query.setBoost(boost);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
124 } catch(NumberFormatException e) {
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
125 throw exception(e);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
126 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
127 parser.success();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
128 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
129 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
130 BooleanClause bc = new BooleanClause(query,occur);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
131 return bc;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
132 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
133
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
134 private Query NestedTerm(String field) throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
135 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
136 if( !parser.match('(') )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
137 return parser.failure(null);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
138 BooleanQuery bq = new BooleanQuery();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
139 while( !parser.match(')') ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
140 if( parser.endOfInput() )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
141 throw exception("unclosed parentheses");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
142 bq.add( Term(field) );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
143 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
144 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
145 BooleanClause[] clauses = bq.getClauses();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
146 switch( clauses.length ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
147 case 0:
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
148 throw exception("empty parentheses");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
149 case 1:
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
150 {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
151 BooleanClause bc = clauses[0];
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
152 if( bc.getOccur() != BooleanClause.Occur.MUST_NOT )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
153 return parser.success(bc.getQuery());
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
154 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
155 default:
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
156 return parser.success(bq);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
157 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
158 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
159
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
160 private Query RangeTerm(String field) throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
161 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
162 if( !parser.anyOf("[{") )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
163 return parser.failure(null);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
164 boolean includeMin = parser.lastChar() == '[';
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
165 Spaces();
1362
77f2d091f17f minor - SaneQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
166 String minQuery = SimpleTerm(NOT_IN_RANGE);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
167 TO();
1362
77f2d091f17f minor - SaneQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
168 String maxQuery = SimpleTerm(NOT_IN_RANGE);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
169 if( !parser.anyOf("]}") )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
170 throw exception("unclosed range");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
171 boolean includeMax = parser.lastChar() == ']';
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
172 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
173 Query query = fieldParser.getRangeQuery(this,field,minQuery,maxQuery,includeMin,includeMax);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
174 return parser.success(query);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
175 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
176
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
177 private void TO() throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
178 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
179 if( !(parser.match("TO") && Space()) )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
180 throw exception("'TO' expected");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
181 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
182 parser.success();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
183 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
184
1362
77f2d091f17f minor - SaneQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
185 private String SimpleTerm(String exclude) throws ParseException {
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
186 parser.begin();
1422
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
187 String match = Quoted();
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
188 if( match==null )
1362
77f2d091f17f minor - SaneQueryParser
Franklin Schmidt <fschmidt@gmail.com>
parents: 1344
diff changeset
189 match = Unquoted(exclude);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
190 if( match.length() == 0 )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
191 throw exception("invalid input");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
192 return parser.success(match);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
193 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
194
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
195 private String QueryField() throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
196 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
197 String match = Field();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
198 if( match==null || !parser.match(':') )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
199 return parser.failure((String)null);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
200 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
201 return parser.success(match);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
202 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
203
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
204 private String Field() throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
205 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
206 String match = Unquoted(NOT_IN_FIELD);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
207 if( match.length()==0 )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
208 return parser.failure((String)null);
1619
83caee2ed4ad Lucene.escape
Franklin Schmidt <fschmidt@gmail.com>
parents: 1572
diff changeset
209 match = StringFieldParser.unescape(this,match);
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
210 return parser.success(match);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
211 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
212
1422
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
213 private String Quoted() throws ParseException {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
214 parser.begin();
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
215 if( !parser.match('"') )
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
216 return parser.failure(null);
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
217 StringBuilder sb = new StringBuilder();
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
218 while( parser.anyChar() ) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
219 char c = parser.lastChar();
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
220 switch(c) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
221 case '"':
1564
b1195cfe8712 lucene/queryparser fix
Franklin Schmidt <fschmidt@gmail.com>
parents: 1459
diff changeset
222 Spaces();
1422
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
223 return parser.success(sb.toString());
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
224 case '\\':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
225 if( parser.anyChar() ) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
226 c = parser.lastChar();
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
227 switch(c) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
228 case '"':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
229 case '\\':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
230 sb.append(c);
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
231 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
232 case 'b':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
233 sb.append('\b');
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
234 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
235 case 'f':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
236 sb.append('\f');
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
237 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
238 case 'n':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
239 sb.append('\n');
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
240 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
241 case 'r':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
242 sb.append('\r');
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
243 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
244 case 't':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
245 sb.append('\t');
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
246 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
247 case 'u':
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
248 int n = 0;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
249 for( int i=0; i<4; i++ ) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
250 int d;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
251 if( parser.inCharRange('0','9') ) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
252 d = parser.lastChar() - '0';
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
253 } else if( parser.inCharRange('a','f') ) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
254 d = parser.lastChar() - 'a' + 10;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
255 } else if( parser.inCharRange('A','F') ) {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
256 d = parser.lastChar() - 'A' + 10;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
257 } else {
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
258 throw exception("invalid hex digit");
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
259 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
260 n = 16*n + d;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
261 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
262 sb.append((char)n);
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
263 continue;
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
264 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
265 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
266 throw exception("invalid escape char");
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
267 default:
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
268 sb.append(c);
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
269 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
270 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
271 parser.failure();
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
272 throw exception("unclosed string");
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
273 }
e48290f3d9fb better quoting
Franklin Schmidt <fschmidt@gmail.com>
parents: 1402
diff changeset
274
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
275 private String Unquoted(String exclude) throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
276 int start = parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
277 while( parser.noneOf(exclude) ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
278 checkEscape();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
279 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
280 String match = parser.textFrom(start);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
281 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
282 return parser.success(match);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
283 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
284
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
285 private void checkEscape() {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
286 if( parser.lastChar() == '\\' )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
287 parser.anyChar();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
288 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
289
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
290 private void Spaces() {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
291 while( Space() );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
292 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
293
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
294 private boolean Space() {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
295 return parser.anyOf(" \t\r\n");
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
296 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
297
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
298
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
299 // sort
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
300
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
301 private Sort parseSort() throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
302 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
303 if( parser.endOfInput() )
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
304 return null;
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
305 List<SortField> list = new ArrayList<SortField>();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
306 list.add( SortField() );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
307 while( !parser.endOfInput() ) {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
308 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
309 if( !parser.match(',') )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
310 throw exception("',' expected");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
311 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
312 parser.success();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
313 list.add( SortField() );
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
314 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
315 return new Sort(list.toArray(new SortField[0]));
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
316 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
317
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
318 private SortField SortField() throws ParseException {
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
319 parser.begin();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
320 String field = Field();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
321 if( field==null )
1110
38a42f437fd2 queryparser now uses parsers.Parser
Franklin Schmidt <fschmidt@gmail.com>
parents: 775
diff changeset
322 throw exception("invalid input");
730
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
323 boolean reverse = !parser.matchIgnoreCase("asc") && parser.matchIgnoreCase("desc");
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
324 Spaces();
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
325 SortField sf = fieldParser.getSortField(this,field,reverse);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
326 return parser.success(sf);
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
327 }
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
328
01e68da6983b add sane-lucene-queryparser source to luan
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
329 }