/*
PseudoCode Interpreted Language (PCIL):  Part of the algoviz@vt collection of algorithm visualizations.
Copyright (C) 2008  Brandon Malone, Frank Hadlock

This file is part of the PseudoCode Interpreted Language.

PseudoCode Interpreted Language is free software: you can redistribute
it and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.

PseudoCode Interpreted Language is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
Public License for more details.

You should have received a copy of the GNU General Public License along with
PseudoCode Interpreted Language.  If not, see
<http://www.gnu.org/licenses/>.
*/

/*
 * PostfixToken.java
 *
 * Created on March 2, 2008, 6:35 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */
package syntacticanalysis;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import lex.SourceToken;
/**
 *
 * @author Brandon
 */
public class PostfixToken {
    
    public static final String NewLine = "nl";
    
    private static int nextID;
    
    public static int getNextID() {
        int ret = nextID;
        nextID++;
        return ret;
    }
    
    public static void resetID() {
        nextID = 0;
    }
    
    private String semanticValue;    
    private String lexicalValue;
    private String sourceValue;
    private int id;
    private int lineNumber;
    
    /** Creates a new instance of PostfixToken */
    public PostfixToken(String semanticValue, String lexicalValue, String sourceValue, int lineNumber) {
        this.setSemanticValue(semanticValue);
        this.setLexicalValue(lexicalValue);
        this.setSourceValue(sourceValue);
        
        if (sourceValue.equals("\n")) {
            this.setSourceValue(NewLine);
        }
        
        this.setId(getNextID());
        this.setLineNumber(lineNumber);
    }
    
    public PostfixToken(String semanticValue, SourceToken sourceToken, int lineNumber) {
        this.setSemanticValue(semanticValue);
        this.setLexicalValue(sourceToken.getLexicalValue());
        this.setSourceValue(sourceToken.getSourceValue());
        
        if (getSourceValue().equals("\n")) {
            this.setSourceValue(NewLine);
        }
        
        this.setId(getNextID());
        this.setLineNumber(lineNumber);
    }
    
    public PostfixToken(String line) {
        String[] split = line.split("~");
        
        this.setSemanticValue(split[0]);
        this.setLexicalValue(split[1]);
        this.setSourceValue(split[2]);
        this.setId(Integer.parseInt(split[3]));
        this.setLineNumber(Integer.parseInt(split[4]));
    }
    
    public String toString() {
        return getSemanticValue() + "~" + getLexicalValue() + "~" + getSourceValue() + "~" + getId() + "~" + getLineNumber();
    }
    
    public static void writeToFile(ArrayList<PostfixToken> tokens, String filePath) throws IOException {
        PrintWriter pw = new PrintWriter(new BufferedWriter(new FileWriter(filePath)));
        
        for(PostfixToken token : tokens) {
            pw.println(token.toString());
        }        
        
        pw.close();
    }
    
    public static ArrayList<PostfixToken> readFromFile(String filePath) throws IOException {
        ArrayList<PostfixToken> tokens = new ArrayList<PostfixToken>();
        
        BufferedReader br = new BufferedReader(new FileReader(filePath));
        
        String line = br.readLine();
        
        while(line != null) {
            tokens.add(new PostfixToken(line));
            line = br.readLine();
        }
        
        br.close();
        
        return tokens;
    }

    public String getSemanticValue() {
        return semanticValue;
    }

    public void setSemanticValue(String semanticValue) {
        this.semanticValue = semanticValue;
    }

    public String getLexicalValue() {
        return lexicalValue;
    }

    public void setLexicalValue(String lexicalValue) {
        this.lexicalValue = lexicalValue;
    }

    public String getSourceValue() {
        return sourceValue;
    }

    public void setSourceValue(String sourceValue) {
        this.sourceValue = sourceValue;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public int getLineNumber() {
        return lineNumber;
    }

    public void setLineNumber(int lineNumber) {
        this.lineNumber = lineNumber;
    }
}