From 98e6ac3f053ab2d8894514df3238cb5fd0101c98 Mon Sep 17 00:00:00 2001 From: bjculkin Date: Mon, 20 Mar 2017 16:20:38 -0400 Subject: Add sample predicated openers/closers This adds a sample predicated opener/closer pair based off of regular expressions. The opener accepts a regular expression and will provide all of its numbered captured groups. The closer accepts a format string and uses the parameters (capture groups) as the format parameters. --- .../bjc/utils/parserutils/delims/RegexOpener.java | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 BJC-Utils2/src/main/java/bjc/utils/parserutils/delims/RegexOpener.java (limited to 'BJC-Utils2/src/main/java/bjc/utils/parserutils/delims/RegexOpener.java') diff --git a/BJC-Utils2/src/main/java/bjc/utils/parserutils/delims/RegexOpener.java b/BJC-Utils2/src/main/java/bjc/utils/parserutils/delims/RegexOpener.java new file mode 100644 index 0000000..c9965f2 --- /dev/null +++ b/BJC-Utils2/src/main/java/bjc/utils/parserutils/delims/RegexOpener.java @@ -0,0 +1,39 @@ +package bjc.utils.parserutils.delims; + +import bjc.utils.data.IPair; +import bjc.utils.data.Pair; + +import java.util.function.Function; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class RegexOpener implements Function> { + private String name; + + private Pattern patt; + + public RegexOpener(String groupName, String groupRegex) { + name = groupName; + + patt = Pattern.compile(groupRegex); + } + + @Override + public IPair apply(String str) { + Matcher m = patt.matcher(str); + + if(m.matches()) { + int numGroups = m.groupCount(); + + String[] parms = new String[numGroups + 1]; + + for(int i = 0; i <= numGroups; i++) { + parms[i] = m.group(i); + } + + return new Pair<>(name, parms); + } + + return new Pair<>(null, null); + } +} \ No newline at end of file -- cgit v1.2.3