package de.hannespries.commons.regex;

import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class PREG {

public PREG() {

}

public static String replace(String pattern, String replacement, String source, boolean caseSensitive) {
Pattern patternObj = Pattern.compile(pattern, Pattern.MULTILINE);
if (!caseSensitive) {
patternObj = Pattern.compile(pattern, Pattern.MULTILINE | Pattern.CASE_INSENSITIVE);
}
Matcher matcher = patternObj.matcher(source);
String parsed = matcher.replaceAll(replacement);
return parsed;
}

public static String replace(String pattern, String replacement, String source) {
return replace(pattern, replacement, source, true);
}

public static boolean match(String pattern, String source) {
Pattern patternObj = Pattern.compile(pattern, Pattern.MULTILINE);
Matcher matcher = patternObj.matcher(source);
return matcher.matches();
}

public static boolean matchFind(String pattern, String source) {
Pattern patternObj = Pattern.compile(pattern, Pattern.MULTILINE);
Matcher matcher = patternObj.matcher(source);
return matcher.find();
}

public static List<String> matchAll(String pattern, String source) {
List<String> result = new ArrayList<String>();
Matcher m = Pattern.compile(pattern).matcher(source);
while (m.find()) {
result.add(m.group());
}
return result;
}

public static List<String> split(String pattern, String source) {
String[] parts = source.split(pattern);
List<String> list = new ArrayList<String>();
for (int ii = 0; ii < parts.length; ii++) {
list.add(parts[ii]);
}
return list;
}

public static List<String> find(String pattern, String source) {
List<String> result = new ArrayList<String>();
Pattern compiled = Pattern.compile(pattern);
Matcher matcher = compiled.matcher(source);
while (matcher.find()) {
result.add(matcher.group());
}

return result;
}
}