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| package net.sourceforge.pmd.cpd; |
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| import java.util.HashMap; |
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| import java.util.Map; |
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| public class TokenEntry implements Comparable { |
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| public static final TokenEntry EOF = new TokenEntry(); |
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| private String tokenSrcID; |
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| private int beginLine; |
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| private int index; |
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| private int identifier; |
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| private int hashCode; |
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| |
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| private final static Map Tokens = new HashMap(); |
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| private static int TokenCount = 0; |
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| |
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| private TokenEntry() {
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| this.identifier = 0;
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| this.tokenSrcID = "EOFMarker";
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| } |
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| public TokenEntry(String image, String tokenSrcID, int beginLine) {
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| Integer i = (Integer) Tokens.get(image);
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| if (i == null) {
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| i = new Integer(Tokens.size() + 1);
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| Tokens.put(image, i);
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| } |
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| this.identifier = i.intValue();
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| this.tokenSrcID = tokenSrcID;
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| this.beginLine = beginLine;
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| this.index = TokenCount++;
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| } |
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| public static TokenEntry getEOF() {
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| TokenCount++;
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| return EOF;
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| } |
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| public static void clearImages() {
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| Tokens.clear();
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| TokenCount = 0;
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| } |
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| public String getTokenSrcID() {
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| return tokenSrcID;
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| } |
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| public int getBeginLine() {
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| return beginLine;
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| } |
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| public int getIdentifier() {
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| return this.identifier;
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| } |
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| public int getIndex() {
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| return this.index;
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| } |
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| public int hashCode() {
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| return hashCode;
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| } |
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| public void setHashCode(int hashCode) {
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| this.hashCode = hashCode;
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| } |
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| public boolean equals(Object o) {
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| TokenEntry other = (TokenEntry) o;
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| return other.hashCode == hashCode;
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| } |
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| public int compareTo(Object o) {
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| TokenEntry other = (TokenEntry) o;
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| return getIndex() - other.getIndex();
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| } |
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| } |