Merge pull request #683 from Emirlol/chocolate-factory-helper

Add chocolate factory helper

1 files changed, 55 insertions, 0 deletions

diff --git a/src/main/java/de/hysky/skyblocker/utils/RegexUtils.java b/src/main/java/de/hysky/skyblocker/utils/RegexUtils.java
new file mode 100644
index 00000000..5b91a80b
--- /dev/null
+++ b/src/main/java/de/hysky/skyblocker/utils/RegexUtils.java
@@ -0,0 +1,55 @@
+package de.hysky.skyblocker.utils;
+
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+import java.util.regex.Matcher;
+
+public class RegexUtils {
+	/**
+	 * @return An OptionalLong of the first group in the matcher, or an empty OptionalLong if the matcher doesn't find anything.
+	 */
+	public static OptionalLong getLongFromMatcher(Matcher matcher) {
+		return getLongFromMatcher(matcher, matcher.hasMatch() ? matcher.end() : 0);
+	}
+
+	/**
+	 * @return An OptionalLong of the first group in the matcher, or an empty OptionalLong if the matcher doesn't find anything.
+	 */
+	public static OptionalLong getLongFromMatcher(Matcher matcher, int startingIndex) {
+		if (!matcher.find(startingIndex)) return OptionalLong.empty();
+		return OptionalLong.of(Long.parseLong(matcher.group(1).replace(",", "")));
+	}
+
+	/**
+	 * @return An OptionalInt of the first group in the matcher, or an empty OptionalInt if the matcher doesn't find anything.
+	 */
+	public static OptionalInt getIntFromMatcher(Matcher matcher) {
+		return getIntFromMatcher(matcher, matcher.hasMatch() ? matcher.end() : 0);
+	}
+
+	/**
+	 * @return An OptionalInt of the first group in the matcher, or an empty OptionalInt if the matcher doesn't find anything.
+	 */
+	public static OptionalInt getIntFromMatcher(Matcher matcher, int startingIndex) {
+		if (!matcher.find(startingIndex)) return OptionalInt.empty();
+		return OptionalInt.of(Integer.parseInt(matcher.group(1).replace(",", "")));
+	}
+
+	/**
+	 * @return An OptionalDouble of the first group in the matcher, or an empty OptionalDouble if the matcher doesn't find anything.
+	 * @implNote Assumes the decimal separator is `.`
+	 */
+	public static OptionalDouble getDoubleFromMatcher(Matcher matcher) {
+		return getDoubleFromMatcher(matcher, matcher.hasMatch() ? matcher.end() : 0);
+	}
+
+	/**
+	 * @return An OptionalDouble of the first group in the matcher, or an empty OptionalDouble if the matcher doesn't find anything.
+	 * @implNote Assumes the decimal separator is `.`
+	 */
+	public static OptionalDouble getDoubleFromMatcher(Matcher matcher, int startingIndex) {
+		if (!matcher.find(startingIndex)) return OptionalDouble.empty();
+		return OptionalDouble.of(Double.parseDouble(matcher.group(1).replace(",", "")));
+	}
+}