peer-at-code-backend/src/be/jeffcheasey88/peeratcode/parser/java/Class.java

142 lines
4 KiB
Java

package be.jeffcheasey88.peeratcode.parser.java;
import java.io.BufferedWriter;
import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.List;
import java.util.function.BiFunction;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import be.jeffcheasey88.peeratcode.parser.java.Variable.MultipleDeclaratedVariable;
public class Class extends JavaElement{
private static Pattern PATTERN = Pattern.compile("^(\\s*([^\\{]*)\\{(.*)\\})\\s*$");
private int modifier;
private String name;
private List<JavaElement> childs;
public Class(){}
public int parse(String content, CleanerPool global, CleanerPool local) throws Exception{
Matcher matcher = PATTERN.matcher(content);
matcher.matches();
String[] split = matcher.group(2).split("\\s+");
for(int i = 0; i < split.length-1; i++){
this.modifier+=JavaParser.getModifier(split[i]);
}
this.name = split[split.length-1];
this.childs = new ArrayList<>();
content = matcher.group(3);
Pattern empty = Pattern.compile("^\\s*$");
while(!(empty.matcher(content).matches())){
int quotes = indexOf(content,";");
int braces = indexOf(content,"\\{");
int equals = indexOf(content,"=");
if((quotes < braces && quotes < equals) || (equals < braces)){
Variable variable = new Variable();
int index = variable.parse(content, global, local);
content = content.substring(index);
boolean quote = content.startsWith(",");
if(quote){
content = content.substring(1);
MultipleDeclaratedVariable multiple = new MultipleDeclaratedVariable(variable.getModifier(), variable.getType());
multiple.addVariable(variable.getName(), variable.getValue());
while(quote){
variable = new Variable(variable.getModifier(), variable.getType());
index = variable.parse(content, global, local);
content = content.substring(index);
quote = content.startsWith(",");
if(quote) content = content.substring(1);
multiple.addVariable(variable.getName(), variable.getValue());
}
this.childs.add(multiple);
}else{
this.childs.add(variable);
}
content = content.substring(1);
}else{
// System.out.println("Function "+content);
Function func = new Function();
int index = func.parse(content, global, local);
this.childs.add(func);
content = content.substring(index);
// System.out.println("End "+content);
}
}
// return cleaner.unzip(matcher.group(1), ((s,p) -> s)).length();
return matcher.group(1).length();
}
private int indexOf(String value, String target){
return value.split(target)[0].length();
}
public int getModifier(){
return this.modifier;
}
public String getName(){
return this.name;
}
public List<JavaElement> getChilds(){
return this.childs;
}
// public List<Variable> getVariables(){
// return this.vars;
// }
@Override
public void build(BufferedWriter writer, int tab) throws Exception{
super.build(writer, tab);
writer.write(Modifier.toString(modifier)+" "+this.name+"{\n");
for(JavaElement child : this.childs){
child.build(writer, tab+1);
writer.write("\n");
}
super.build(writer, tab);
writer.write("}\n");
}
@Override
public <E extends JavaElement> E find(java.util.function.Function<JavaElement, Boolean> search, java.util.function.Function<List<JavaElement>, Boolean> deep, List<JavaElement> trace){
if(search.apply(this)) return (E)this;
trace.add(this);
int index = trace.size()-1;
if(!deep.apply(trace)) return null;
for(JavaElement element : this.childs){
E result = element.find(search, deep, trace);
if(result != null) return result;
}
trace.remove(index);
return null;
}
@Override
public <E extends JavaElement> E find(BiFunction<JavaElement, List<JavaElement>, Boolean> search, List<JavaElement> trace){
trace.add(this);
int index = trace.size()-1;
if(search.apply(this, trace)) return (E)this;
for(JavaElement element : this.childs){
E result = element.find(search, trace);
if(result != null) return result;
}
trace.remove(index);
return null;
}
}