package com.wgtgt;

import java.util.ArrayList;

public class MethodUtil {

	public static void add(ArrayList<Method> methodList, String methodName,
			String returnType, String paramListFullName) {
		if("while".equals(methodName)||"if".equals(methodName)||"for".equals(methodName)||"switch".equals(methodName)||"catch".equals(methodName)){
			return;
		}
		String name = methodName;
		ArrayList<Param> paramList=new ArrayList<Param>();
		paramListFullName=paramListFullName.trim();
		if("".equals(paramListFullName)){

		}else{
			String[]params=paramListFullName.split(",");
			for (int i = 0; i < params.length; i++) {
				String paramFormat=params[i].trim();
				String[]param=split(paramFormat);
				String paramType ="Object";
				String paramName = "args";
				if(param.length>1){
					paramType = param[0];
					paramName = param[1];
					if(paramName.endsWith("[]")){
						String[]paramNameSplit=splitByKuoHao(paramName);
						String paramNameSplitName=paramNameSplit[0];
						String paramNameSplitType=paramNameSplit[1];
						paramType+=paramNameSplitType;
						paramName=paramNameSplitName;
					}
				}
				Param paramEvery=new Param(paramType,paramName);
				paramList.add(paramEvery);
			}
		}
		Method method=new Method(name, returnType, paramList);
		methodList.add(method);
	}

	public char lastChar(char[]chs,int index){
		final int len=chs.length;
		if(index<0){
			return (char)1;
		}else if(index>=len){
			return (char)2;
		}else{
			return chs[index];
		}
	}
	public static String[]splitByKuoHao(String str){
		String[]result=new String[2];
		char[]chs=str.toCharArray();
		StringBuilder type = new StringBuilder();
		StringBuilder name = new StringBuilder();
		for (int i = 0; i < chs.length; i++) {
			char every=chs[i];
			if(every=='['||every==']'){
				type.append(every);
			}else{
				name.append(every);
			}
		}
		result[0]=type.toString();
		result[1]=name.toString();
		return result;
	}
	public static String[]splitByKuoHao2(String str){
		if(str.endsWith("[]")){
			return splitByKuoHao(str);
		}else{
			String[]result=new String[2];
			result[0]=str;
			result[1]="";
			return result;
		}
	}
	public static String[]split(String paramList){
		String paramListFormat=paramList.trim();
		char[]chs=paramListFormat.toCharArray();
		ArrayList<String>list=new ArrayList<String>();
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < chs.length; i++) {
			char ch=chs[i];
			if(Character.isWhitespace(ch)||chs[i]=='['||chs[i]=='<'){
				if(ch=='['){
					sb.append('[');
				}
				boolean jianKuoHaoInner=false;
				if(ch=='<'){
					sb.append('<');
					jianKuoHaoInner=true;
				}
				while(Character.isWhitespace(chs[++i])||chs[i]=='['||chs[i]==']'||jianKuoHaoInner){
					if(Character.isWhitespace(chs[i])){
						
					}else if(chs[i]=='['){
						sb.append('[');
					}else if(chs[i]==']'){
						sb.append(']');
					}else{
						sb.append(chs[i]);
						if(chs[i]=='>'){
							jianKuoHaoInner=false;
						}
					}
				}
				list.add(sb.toString());
				sb = new StringBuilder(chs[i]+"");
				continue;
			}
			sb.append(ch);
		}
		list.add(sb.toString());
		String[]result=new String[list.size()];
		result=list.toArray(result);
		return result;
	}
}