blob: 4aed8f622722d8a2e9d3d7bdc95e776b2c7649fd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
package bjc.utils.parserutils.splitter;
import java.util.function.UnaryOperator;
/**
* Factory methods for producing token splitters.
*
* @author student
*
*/
public class TokenSplitters {
/**
* Create a new chained token splitter.
*
* @param splitters
* The series of splitters to chain together.
* @return A chained-together series of splitters.
*/
public static TokenSplitter chainSplitter(final TokenSplitter... splitters) {
ChainTokenSplitter cts = new ChainTokenSplitter();
cts.appendSplitters(splitters);
return cts;
}
/**
* Create a new identity token splitter, which doesn't actually do any splitting.
*
* @return A new identity splitter.
*/
public static TokenSplitter identitySplitter() {
return new IdentityTokenSplitter();
}
/**
* Create a new transforming token splitter.
*
* @param splitter
* The splitter to gain tokens from
*
* @param transform
* The transform to apply to the strings.
*
* @return A splitter that applies the chosen transform to the tokens.
*/
public static TokenSplitter transformSplitter(final TokenSplitter splitter,
UnaryOperator<String> transform) {
return new TransformTokenSplitter(splitter, transform);
}
}
|