reformat codes

src/main/java/xyz/xindoo/re/Regex.java

@@ -20,6 +20,7 @@ import java.util.Set;
 public class Regex {
     private NFAGraph nfaGraph;
     private DFAGraph dfaGraph;
+
     public static Regex compile(String regex) throws Exception {
         if (regex == null || regex.length() == 0) {
             throw new Exception("regex cannot be empty!");
@@ -29,10 +30,12 @@ public class Regex {
         DFAGraph dfaGraph = convertNfa2Dfa(nfaGraph);
         return new Regex(nfaGraph, dfaGraph);
     }
+
     private Regex(NFAGraph nfaGraph, DFAGraph dfaGraph) {
         this.nfaGraph = nfaGraph;
         this.dfaGraph = dfaGraph;
     }
+
     private static NFAGraph regex2nfa(String regex) {
         Reader reader = new Reader(regex);
         NFAGraph nfaGraph = null;

src/main/java/xyz/xindoo/re/RegexTest.java

@@ -21,8 +21,8 @@ public class RegexTest {
         System.out.println(regex.isMatch("a   bcccdb", 1));
         System.out.println(regex.isMatch("ab", 1));
         System.out.println(regex.isMatch("abcd", 1));
-        System.out.println(regex.isMatch("a3abcd",1));
-        System.out.println(regex.isMatch("a33333defd",1));
+        System.out.println(regex.isMatch("a3abcd", 1));
+        System.out.println(regex.isMatch("a33333defd", 1));
         System.out.println(regex.isMatch("aabcabcabcabcabcabcdb", 1));
     }
 }

src/main/java/xyz/xindoo/re/common/Reader.java

@@ -19,7 +19,8 @@ public class Reader {
         }
         return chars[cur++];
     }
-    boolean hasNext() {
+
+    public boolean hasNext() {
         return cur < chars.length;
     }
 

src/main/java/xyz/xindoo/re/dfa/DFAGraph.java

 package xyz.xindoo.re.dfa;
 
 import xyz.xindoo.re.common.State;
+
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;

src/main/java/xyz/xindoo/re/dfa/DFAState.java

 package xyz.xindoo.re.dfa;
 
 import xyz.xindoo.re.common.State;
-
 import java.util.HashSet;
 import java.util.Set;
 
@@ -15,6 +14,7 @@ public class DFAState extends State {
     public DFAState(String allStateIds, Set<State> states) {
         this.allStateIds = allStateIds;
         this.nfaStates.addAll(states);
+
         for (State state : states) {
             if (state.isEndState()) {
                 this.stateType = 1;

src/main/java/xyz/xindoo/re/nfa/NFAGraph.java

@@ -5,6 +5,7 @@ import xyz.xindoo.re.common.Constant;
 public class NFAGraph {
     public NFAState start;
     public NFAState end;
+
     public NFAGraph(NFAState start, NFAState end) {
         this.start = start;
         this.end = end;

src/main/java/xyz/xindoo/re/nfa/strategy/CharMatchStrategy.java

 package xyz.xindoo.re.nfa.strategy;
 
 public class CharMatchStrategy extends MatchStrategy{
+
     @Override
     public boolean isMatch(char c, String edge) {
         return edge.charAt(0) == c;

src/main/java/xyz/xindoo/re/nfa/strategy/CharSetMatchStrategy.java

 package xyz.xindoo.re.nfa.strategy;
 
-public class CharSetMatchStrategy extends MatchStrategy{
+public class CharSetMatchStrategy extends MatchStrategy {
     @Override
     public boolean isMatch(char c, String charSet) {
         boolean res = false;

src/main/java/xyz/xindoo/re/nfa/strategy/DigitalMatchStrategy.java

 package xyz.xindoo.re.nfa.strategy;
 
-public class DigitalMatchStrategy extends MatchStrategy{
+public class DigitalMatchStrategy extends MatchStrategy {
     private boolean isReverse;
 
     public DigitalMatchStrategy(boolean isReverse) {

src/main/java/xyz/xindoo/re/nfa/strategy/DotMatchStrategy.java

 package xyz.xindoo.re.nfa.strategy;
 
-public class DotMatchStrategy extends MatchStrategy{
+public class DotMatchStrategy extends MatchStrategy {
     @Override
     public boolean isMatch(char c, String edge) {
         return c != '\n' && c != '\r';

src/main/java/xyz/xindoo/re/nfa/strategy/EpsilonMatchStrategy.java

 package xyz.xindoo.re.nfa.strategy;
 
-public class EpsilonMatchStrategy extends MatchStrategy{
+public class EpsilonMatchStrategy extends MatchStrategy {
     @Override
     public boolean isMatch(char c, String edge) {
         return true;

src/main/java/xyz/xindoo/re/nfa/strategy/MatchStrategy.java

@@ -2,7 +2,8 @@ package xyz.xindoo.re.nfa.strategy;
 
 public class MatchStrategy {
     protected boolean isReverse = false;
-    public boolean isMatch(char c, String edge){
+
+    public boolean isMatch(char c, String edge) {
         return false;
     }
 }

src/main/java/xyz/xindoo/re/nfa/strategy/MatchStrategyManager.java

@@ -7,6 +7,7 @@ import java.util.Map;
 
 public class MatchStrategyManager {
     private static Map<String, MatchStrategy> matchStrategyMap;
+
     static {
         matchStrategyMap = new HashMap<>();
         matchStrategyMap.put("\\d", new DigitalMatchStrategy(false));

src/main/java/xyz/xindoo/re/nfa/strategy/SpaceMatchStrategy.java

 package xyz.xindoo.re.nfa.strategy;
 
-public class SpaceMatchStrategy extends MatchStrategy{
+public class SpaceMatchStrategy extends MatchStrategy {
     private boolean isReverse;
 
     public SpaceMatchStrategy(boolean isReverse) {

src/main/java/xyz/xindoo/re/nfa/strategy/WMatchStrategy.java

@@ -2,8 +2,8 @@ package xyz.xindoo.re.nfa.strategy;
 
 /**
  * 匹配 \w和\W
- * */
-public class WMatchStrategy extends MatchStrategy{
+ */
+public class WMatchStrategy extends MatchStrategy {
 
     public WMatchStrategy(boolean isReverse) {
         this.isReverse = isReverse;