peer-at-code-backend/src/be/jeffcheasey88/peeratcode/parser/java/CleanerPool.java
jeffcheasey88 5d27475a9b FINALY
2023-05-02 14:31:21 +02:00

106 lines
No EOL
2.6 KiB
Java

package be.jeffcheasey88.peeratcode.parser.java;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.Function;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class CleanerPool{
private List<Cleaner> cleaners;
public CleanerPool(Cleaner... cleaners){
this.cleaners = Arrays.asList(cleaners);
}
public String clean(String value){
for(Cleaner cleaner : this.cleaners) value = cleaner.clean(value);
return value;
}
public String unzip(String value){
return unzip(value, (s) -> s);
}
public String unzip(String value, Function<String, String> modifier){
boolean edited = false;
for(Cleaner cleaner : this.cleaners){
Matcher matcher = cleaner.getMatcher(value);
if(matcher.matches()){
String key = matcher.group(2);
String zip = cleaner.getConstant(key);
value = matcher.group(1)+cleaner.open+modifier.apply(zip)+cleaner.close+matcher.group(3);
edited = true;
}
}
if(edited) return unzip(value, modifier);
return value;
}
public static class Cleaner{
private Pattern rPattern;
private String pattern;
private char open;
private char close;
public List<String> constants;
public Cleaner(String pattern, char open, char close){
this.pattern = "$"+pattern;
this.open = open;
this.close = close;
this.rPattern = Pattern.compile("^(.*)(\\$"+pattern+"\\d+)(.*)$");
this.constants = new ArrayList<>();
}
public Matcher getMatcher(String value){
return this.rPattern.matcher(value);
}
public String getPattern(){
return this.pattern;
}
public String getConstant(String value){
return this.constants.get(Integer.parseInt(value.replace(this.pattern, "")));
}
public String clean(String value){
StringBuilder builder = new StringBuilder();
for(int i = 0; i < value.length(); i++){
char c = value.charAt(i);
if(c == open){
i+=cutOpenable(value.substring(i+1), constants, pattern, open, close);
builder.append(pattern+(constants.size()-1));
}else{
builder.append(c);
}
}
return builder.toString();
}
private int cutOpenable(String value, List<String> constants, String pattern, char open, char close){
StringBuilder builder = new StringBuilder();
int i = 0;
for(;i < value.length(); i++){
char c = value.charAt(i);
if(c == close){
break;
}else if(c == open){
i+=cutOpenable(value.substring(i+1), constants, pattern, open, close);
builder.append(pattern+(constants.size()-1));
}else{
builder.append(c);
}
}
constants.add(builder.toString());
return i+1;
}
}
}