156 lines
4.8 KiB
Java
156 lines
4.8 KiB
Java
package com.lz.mysql;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.List;
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public class ControlScanner {
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private String filePath;//文件地址
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static final String[] notesSym = {"/*", "*/", "//", "\\n"};//注释符号，成对出现，偶数为起始符号，奇数为结束符号
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private String packageName;//包名
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private String name;//类名
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List<String> importList = new ArrayList<>();//引入的包名
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List<FunctionDes> functionDesList = new ArrayList<>();//方法对象集合
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List<AttributeDes> attributeDesList = new ArrayList<>();//属性对象集合
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public void startScanner(String filePath){
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File file = new File(filePath);
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if(file.exists()){
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//
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try {
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BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
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String strLine = null;
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int lineCount = 0;
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while(null != (strLine = bufferedReader.readLine())){
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strLine = pretreatment(strLine);
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CheckType checkType = checkLineStart(strLine);
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strLine = strLine.substring(checkType.getStart());
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checkLineEnd(checkType, strLine);
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}
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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//文件异常
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} catch (IOException e) {
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e.printStackTrace();
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//读取文件失败
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}
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}
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}
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private String pretreatment(String strLine){
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strLine = strLine.replace("\t", " ");
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strLine = removeMoreSpace(strLine);
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strLine = strLine.replace("\r\n", "\n");
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return strLine;
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}
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private String removeMoreSpace(String strLine){
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int start = 0;
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while(strLine.charAt(start) == ' '){
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start++;
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}
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if(start > 0){
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strLine = strLine.substring(start);
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}
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String newLine;
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return strLine;
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}
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private CheckType checkLineStart(String strLine){
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CheckType checkType = new CheckType();
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switch (strLine.charAt(0)){
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case '/':// /* //
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if(strLine.charAt(1) == '/'){
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checkType.setType(0);
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//checkType.setEnd(true);
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}else if(strLine.charAt(1) == '*'){
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checkType.setType(1);
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/*if(strLine.length() > 3 &&
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strLine.charAt(strLine.length() - 1) == '/' &&
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strLine.charAt(strLine.length() - 2) == '*'){
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checkType.setEnd(true);
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}*/
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}
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checkType.setStart(2);
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break;
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case 'i'://import
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if(strLine.startsWith("import ")){
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checkType.setType(2);
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checkType.setStart(7);
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}
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break;
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case 'p':// public private proteced package
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if(strLine.startsWith("public ")){
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checkType.setType(3);
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checkType.setStart(7);
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}else if(strLine.startsWith("private ")){
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checkType.setType(4);
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checkType.setStart(8);
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}else if(strLine.startsWith("proteced ")){
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checkType.setType(5);
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checkType.setStart(9);
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}else if(strLine.startsWith("package ")){
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checkType.setType(6);
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checkType.setStart(8);
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}
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break;
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default:
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checkType.setType(50);
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checkType.setStart(0);
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break;
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}
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/*if((type == 0 || type > 2)
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&& strLine.charAt(strLine.length() - 1) == ';'){
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checkType.setEnd(true);
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}*/
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return checkType;
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}
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private CheckType checkLineEnd(CheckType checkType, String strLine){
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if(checkType.getType() > 1){//处理非注释代码中的多余的空格替换成一个，引号内的不处理
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}
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return checkType;
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}
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public class CheckType{
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//1：// 2：/* 3：import 4：public 5：private 6：proteced 7：package 50：未找到关键字
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private int type;
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private int start;
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private boolean isEnd;//一行代码是否读取完毕
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public int getType() {
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return type;
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}
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public void setType(int type) {
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this.type = type;
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}
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public int getStart() {
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return start;
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}
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public void setStart(int start) {
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this.start = start;
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}
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public boolean isEnd() {
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return isEnd;
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}
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public void setEnd(boolean end) {
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isEnd = end;
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}
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}
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}
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