13815628111

Committed 12 Mar 2025 03:46PM CUT coverage: 92.058% (-0.001%) from 92.059%

Build # 13815628111

Build Type

push

github

Committed by

mtf90

Commit Message

cleanup redundant type variable definitions

Run Details

1 of 1 new or added line in 1 file covered. (100.0%)

16599 of 18031 relevant lines covered (92.06%)

1.7 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

0.0

/commons/util/src/main/java/net/automatalib/common/util/mapping/StringIndexMapping.java

/* Copyright (C) 2013-2025 TU Dortmund University
 * This file is part of AutomataLib <https://automatalib.net>.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.automatalib.common.util.mapping;

import org.checkerframework.checker.index.qual.NonNegative;

/**
 * Class for transforming integer index values into string values (using latin characters, therefore effectively
 * realizing a radix-26 representation of numbers).
 */
public final class StringIndexMapping {

    private static final int ALPHABET_SIZE = 26;

    private static final char BASE = 'a';

    private StringIndexMapping() {}

    public static long stringToIndex(String sidx) {
        long idx = 0;
        long value = 1;

        for (int i = 0; i < sidx.length(); i++) {
            char c = sidx.charAt(i);
            idx += value * getInteger(c);
            value *= ALPHABET_SIZE;
        }

        return idx;
    }

    public static String indexToString(@NonNegative long idx) {
        final StringBuilder sb = new StringBuilder();

        long idxIter = idx;
        do {
            sb.append(getChar((int) idxIter % ALPHABET_SIZE));
            idxIter /= ALPHABET_SIZE;
        } while (idxIter > 0);

        return sb.toString();
    }

    private static int getInteger(char c) {
        return Character.toLowerCase(c) - BASE;
    }

    private static char getChar(int idx) {
        return (char) (BASE + idx);
    }

}

1	/* Copyright (C) 2013-2025 TU Dortmund University
2	* This file is part of AutomataLib <https://automatalib.net>.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package net.automatalib.common.util.mapping;
17
18	import org.checkerframework.checker.index.qual.NonNegative;
19
20	/**
21	* Class for transforming integer index values into string values (using latin characters, therefore effectively
22	* realizing a radix-26 representation of numbers).
23	*/
24	public final class StringIndexMapping {
25
26	private static final int ALPHABET_SIZE = 26;
27
28	private static final char BASE = 'a';
29
30	private StringIndexMapping() {}
31
32	public static long stringToIndex(String sidx) {
33	long idx = 0;	×
34	long value = 1;	×
35
36	for (int i = 0; i < sidx.length(); i++) {	×
37	char c = sidx.charAt(i);	×
38	idx += value * getInteger(c);	×
39	value *= ALPHABET_SIZE;	×
40	}
41
42	return idx;	×
43	}
44
45	public static String indexToString(@NonNegative long idx) {
46	final StringBuilder sb = new StringBuilder();	×
47
48	long idxIter = idx;	×
49	do {
50	sb.append(getChar((int) idxIter % ALPHABET_SIZE));	×
51	idxIter /= ALPHABET_SIZE;	×
52	} while (idxIter > 0);	×
53
54	return sb.toString();	×
55	}
56
57	private static int getInteger(char c) {
58	return Character.toLowerCase(c) - BASE;	×
59	}
60
61	private static char getChar(int idx) {
62	return (char) (BASE + idx);	×
63	}
64
65	}

LearnLib / automatalib / 13815628111

Source File Press 'n' to go to next uncovered line, 'b' for previous

Source File
Press 'n' to go to next uncovered line, 'b' for previous