Mercurial > hg > monetdb-java

annotate src/main/java/org/monetdb/mcl/parser/HeaderLineParser.java @ 927:d311affc65f0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Stop referring to monetdb.org/bugzilla, point straight to github.
author Sjoerd Mullender <sjoerd@acm.org>
date Mon, 07 Oct 2024 13:18:07 +0200 (6 months ago)
parents e890195256ac
children d416e9b6b3d0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
1 /*
833
e890195256ac Update copyright for the new year, move to MonetDB Foundation, add SPDX.
Sjoerd Mullender <sjoerd@acm.org>
parents: 716
diff changeset
2 * SPDX-License-Identifier: MPL-2.0
e890195256ac Update copyright for the new year, move to MonetDB Foundation, add SPDX.
Sjoerd Mullender <sjoerd@acm.org>
parents: 716
diff changeset
3 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
4 * This Source Code Form is subject to the terms of the Mozilla Public
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
7 *
833
e890195256ac Update copyright for the new year, move to MonetDB Foundation, add SPDX.
Sjoerd Mullender <sjoerd@acm.org>
parents: 716
diff changeset
8 * Copyright 2024 MonetDB Foundation;
e890195256ac Update copyright for the new year, move to MonetDB Foundation, add SPDX.
Sjoerd Mullender <sjoerd@acm.org>
parents: 716
diff changeset
9 * Copyright August 2008 - 2023 MonetDB B.V.;
e890195256ac Update copyright for the new year, move to MonetDB Foundation, add SPDX.
Sjoerd Mullender <sjoerd@acm.org>
parents: 716
diff changeset
10 * Copyright 1997 - July 2008 CWI.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
11 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
12
391
f523727db392 Moved Java classes from packages starting with nl.cwi.monetdb.* to package org.monetdb.*
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 373
diff changeset
13 package org.monetdb.mcl.parser;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
14
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
15
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
16 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
17 * The HeaderLineParser is a generic MCLParser that extracts values from
709
bdeabbd46ec6 Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 665
diff changeset
18 * a metadata header in the MCL protocol either as string or integer values.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
19 *
194
1296dbcc4958 Resolved javadoc many errors and warnings, such as:
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 180
diff changeset
20 * @author Fabian Groffen
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
21 */
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
22 public final class HeaderLineParser extends MCLParser {
203
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
23 /* types of meta data supported by MCL protocol */
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
24 public final static int NAME = 1; // name of column
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
25 public final static int LENGTH = 2;
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
26 public final static int TABLE = 3; // may include the schema name
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
27 public final static int TYPE = 4;
665
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
28 public final static int TYPESIZES = 5; // precision and scale
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
29
203
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
30 /** The int values found while parsing. Public, you may touch it. */
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
31 public final int intValues[];
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
32
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
33 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
34 * Constructs a HeaderLineParser which expects columncount columns.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
35 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
36 * @param columncount the number of columns in the to be parsed string
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
37 */
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
38 public HeaderLineParser(final int columncount) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
39 super(columncount);
203
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
40 intValues = new int[columncount];
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
41 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
42
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
43 /**
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
44 * Parses the given String source as header line. If source cannot
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
45 * be parsed, an MCLParseException is thrown. The columncount argument
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
46 * given during construction is used for allocation of the backing array.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
47 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
48 * @param source a String which should be parsed
665
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
49 * @return the type of the parsed header line
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
50 * @throws MCLParseException if an error occurs during parsing
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
51 */
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
52 @Override
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
53 public int parse(final String source) throws MCLParseException {
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
54 final char[] chrLine = source.toCharArray();
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
55 int len = chrLine.length;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
56 int pos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
57 boolean foundChar = false;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
58 boolean nameFound = false;
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
59 int i;
203
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
60
180
fdf4c888d5b7 Small code and layout improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 119
diff changeset
61 // find header name searching from the end of the line
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
62 for (i = len - 1; i >= 0; i--) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
63 switch (chrLine[i]) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
64 case ' ':
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
65 case '\n':
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
66 case '\t':
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
67 case '\r':
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
68 if (!foundChar) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
69 len = i - 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
70 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
71 pos = i + 1;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
72 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
73 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
74 case '#':
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
75 // found!
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
76 nameFound = true;
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
77 if (pos == 0)
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
78 pos = i + 1;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
79 i = 0; // force the loop to terminate
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
80 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
81 default:
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
82 foundChar = true;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
83 pos = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
84 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
85 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
86 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
87 if (!nameFound)
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
88 throw new MCLParseException("invalid header, no header name found", pos);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
89
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
90 // depending on the name of the header, we continue
203
c6abd650aeb4 Reduce memory consumption in TupleLineParser which is a subclass of MCLParser.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 200
diff changeset
91 int type = 0;
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
92 i = pos;
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
93 switch (len - pos) {
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
94 case 4:
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
95 // source.regionMatches(pos + 1, "name", 0, 4)
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
96 if (chrLine[i] == 'n' && chrLine[++i] == 'a' && chrLine[++i] == 'm' && chrLine[++i] == 'e') {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
97 getValues(chrLine, 2, pos - 3);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
98 type = NAME;
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
99 } else
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
100 // source.regionMatches(pos + 1, "type", 0, 4)
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
101 if (chrLine[i] == 't' && chrLine[++i] == 'y' && chrLine[++i] == 'p' && chrLine[++i] == 'e') {
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
102 getValues(chrLine, 2, pos - 3);
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
103 type = TYPE;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
104 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
105 break;
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
106 case 6:
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
107 // source.regionMatches(pos + 1, "length", 0, 6)
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
108 if (chrLine[ i ] == 'l' && chrLine[++i] == 'e' && chrLine[++i] == 'n' && chrLine[++i] == 'g'
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
109 && chrLine[++i] == 't' && chrLine[++i] == 'h') {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
110 getIntValues(chrLine, 2, pos - 3);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
111 type = LENGTH;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
112 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
113 break;
665
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
114 case 9:
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
115 // System.out.println("In HeaderLineParser.parse() case 9: source line = " + source);
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
116 // source.regionMatches(pos + 1, "typesizes", 0, 9)
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
117 if (chrLine[ i ] == 't' && chrLine[++i] == 'y' && chrLine[++i] == 'p' && chrLine[++i] == 'e'
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
118 && chrLine[++i] == 's' && chrLine[++i] == 'i' && chrLine[++i] == 'z' && chrLine[++i] == 'e' && chrLine[++i] == 's') {
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
119 getValues(chrLine, 2, pos - 3); /* these contain precision and scale values (separated by a space), so read them as strings */
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
120 type = TYPESIZES;
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
121 }
8f7d51c478df Improved implementation of methods ResultSetMetaData.getPrecision() and ResultSetMetaData.getScale().
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 610
diff changeset
122 break;
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
123 case 10:
373
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
124 // source.regionMatches(pos + 1, "table_name", 0, 10)
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
125 if (chrLine[ i ] == 't' && chrLine[++i] == 'a' && chrLine[++i] == 'b' && chrLine[++i] == 'l' && chrLine[++i] == 'e'
f15d2ac35932 Optimize HeaderLineParser.parse() method by replacing regionMatches() calls by direct character array comparisons.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 350
diff changeset
126 && chrLine[++i] == '_' && chrLine[++i] == 'n' && chrLine[++i] == 'a' && chrLine[++i] == 'm' && chrLine[++i] == 'e') {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
127 getValues(chrLine, 2, pos - 3);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
128 type = TABLE;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
129 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
130 break;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
131 default:
180
fdf4c888d5b7 Small code and layout improvements
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 119
diff changeset
132 throw new MCLParseException("unknown header: " + (new String(chrLine, pos, len - pos)));
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
133 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
134
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
135 // adjust colno
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
136 colnr = 0;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
137
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
138 return type;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
139 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
140
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
141 /**
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
142 * Fills an array of Strings containing the values between
104
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
143 * ',\t' separators.
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
144 *
104
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
145 * As of Oct2014-SP1 release MAPI adds double quotes around names when
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
146 * the name contains a comma or a tab or a space or a # or " or \ escape character.
927
d311affc65f0 Stop referring to monetdb.org/bugzilla, point straight to github.
Sjoerd Mullender <sjoerd@acm.org>
parents: 833
diff changeset
147 * See issue: https://github.com/MonetDB/MonetDB/issues/3616
104
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
148 * If the parsed name string part has a " as first and last character,
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
149 * we remove those added double quotes here.
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
150 *
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
151 * @param chrLine a character array holding the input data
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
152 * @param start where the relevant data starts
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
153 * @param stop where the relevant data stops
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
154 */
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
155 private final void getValues(final char[] chrLine, int start, final int stop) {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
156 int elem = 0;
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
157 boolean inString = false, escaped = false;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
158
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
159 for (int i = start; i < stop; i++) {
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
160 switch(chrLine[i]) {
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
161 case '\\':
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
162 escaped = !escaped;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
163 break;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
164 case '"':
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
165 /**
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
166 * If all strings are wrapped between two quotes, a \" can
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
167 * never exist outside a string. Thus if we believe that we
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
168 * are not within a string, we can safely assume we're about
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
169 * to enter a string if we find a quote.
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
170 * If we are in a string we should stop being in a string if
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
171 * we find a quote which is not prefixed by a \, for that
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
172 * would be an escaped quote. However, a nasty situation can
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
173 * occur where the string is like "test \\" as obvious, a
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
174 * test for a \ in front of a " doesn't hold here for all
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
175 * cases. Because "test \\\"" can exist as well, we need to
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
176 * know if a quote is prefixed by an escaping slash or not.
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
177 */
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
178 if (!inString) {
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
179 inString = true;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
180 } else if (!escaped) {
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
181 inString = false;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
182 }
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
183 // reset escaped flag
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
184 escaped = false;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
185 break;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
186 case ',':
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
187 if (!inString && chrLine[i + 1] == '\t') {
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
188 // we found the field separator
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
189 if (chrLine[start] == '"')
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
190 start++; // skip leading double quote
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
191 if (elem < values.length) {
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
192 // TODO: also deal with escape characters as done in TupleLineParser.parse()
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
193 values[elem++] = new String(chrLine, start, i - (chrLine[i - 1] == '"' ? 1 : 0) - start);
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
194 }
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
195 i++;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
196 start = i + 1; // reset start for the next name, skipping the field separator (a comma and tab)
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
197 }
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
198 // reset escaped flag
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
199 escaped = false;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
200 break;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
201 default:
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
202 escaped = false;
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
203 break;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
204 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
205 }
104
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
206 // add the left over part (last column)
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
207 if (chrLine[start] == '"')
839ffec1d36d Fix for bug 6183.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 90
diff changeset
208 start++; // skip leading double quote
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
209 if (elem < values.length)
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
210 values[elem] = new String(chrLine, start, stop - (chrLine[stop - 1] == '"' ? 1 : 0) - start);
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
211 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
212
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
213 /**
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
214 * Fills an array of ints containing the values between
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
215 * ',\t' separators.
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
216 *
116
04c535b05c52 Fixed negative number parsing on the StartOfHeaderParser
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 104
diff changeset
217 * Feb2017 note - This integer parser doesn't have to parse negative
04c535b05c52 Fixed negative number parsing on the StartOfHeaderParser
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 104
diff changeset
218 * numbers, because it is only used to parse column lengths
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
219 * which are always greater than 0.
116
04c535b05c52 Fixed negative number parsing on the StartOfHeaderParser
Pedro Ferreira <pedro.ferreira@monetdbsolutions.com>
parents: 104
diff changeset
220 *
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
221 * @param chrLine a character array holding the input data
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
222 * @param start where the relevant data starts
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
223 * @param stop where the relevant data stops
709
bdeabbd46ec6 Resolve javac and javadoc warnings when compiled with JDK19.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 665
diff changeset
224 * @throws MCLParseException if an error occurs during parsing
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
225 */
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
226 private final void getIntValues(final char[] chrLine, final int start, final int stop) throws MCLParseException {
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
227 int elem = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
228 int tmp = 0;
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
229
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
230 for (int i = start; i < stop; i++) {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
231 if (chrLine[i] == ',' && chrLine[i + 1] == '\t') {
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
232 if (elem < intValues.length) {
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
233 intValues[elem++] = tmp;
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
234 }
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
235 tmp = 0;
297
bb273e9c7e09 Add "final" keyword to classes, method arguments and local variables where possible.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 261
diff changeset
236 i++;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
237 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
238 // note: don't use Character.isDigit() here, because
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
239 // we only want ISO-LATIN-1 digits
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
240 if (chrLine[i] >= '0' && chrLine[i] <= '9') {
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
241 tmp *= 10;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
242 tmp += (int)chrLine[i] - (int)'0';
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
243 } else {
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
244 throw new MCLParseException("expected a digit in " + new String(chrLine) + " at " + i);
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
245 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
246 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
247 }
119
1ea2ee3b946c Extend HeaderLineParser to also correctly parse result set header lines for table
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 117
diff changeset
248 // add the left over part (last column)
325
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
249 if (elem < intValues.length)
0b8eb1df8276 Optimised parsing of Header line data.
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
parents: 297
diff changeset
250 intValues[elem] = tmp;
0
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
251 }
a5a898f6886c Copy of MonetDB java directory changeset e6e32756ad31.
Sjoerd Mullender <sjoerd@acm.org>
parents:
diff changeset
252 }