syntaxparser.java

这个是个人编写的winzip软件

package org.jr.jzj.editor;
/**
 * <p>Copyright: Copyright (c) 2002-2003</p>
 * <p>Company: JavaResearch(http://www.javaresearch.org)</p>
 * <p>最后更新日期:2003年3月20日
 * @author Barney,Cherami,Brain
 * @version 0.8
 */

import java.io.*;
import java.util.*;
import javax.xml.parsers.*;

import java.awt.*;
import java.awt.font.*;

import org.jr.util.*;
import org.w3c.dom.*;
import org.xml.sax.*;


public class SyntaxParser {
  //XML's element names
  public static final String STYLE = "style";
  public static final String FONT = "font";
  public static final String CONTENTTYPE = "contentType";
  public static final String TEXT = "text";
  public static final String STRING = "string";
  public static final String COMMENT = "comment";
  public static final String LINE_COMMENT = "line-comment";
  public static final String MULTI_COMMENT = "multi-comment";
  public static final String KEYWORDS = "keywords";
  public static final String KEYWORD = "keyword";
  public static final String CLASSES = "classes";
  public static final String CLASS = "class";
  public static final String PLAIN_TEXT = "plain-text";
  public static final String TAG = "tag";
  public static final String CONTENT = "content";
  public static final String DOC_COMMENT = "doc-comment";
  public static final String SCRIPT = "script";
  public static final String NAME = "name";
  public static final String VALUE = "value";
  public static final String SIZE = "size";
  public static final String FAMILYNAME = "familyname";
  public static final String COLOR = "color";
  public static final String ESCAPE = "escape";
  public static final String QUOTATIUON = "quotatiuon";
  public static final String DELIMITER = "delimiter";
  public static final String START = "start";
  //default values
  public static final String def_Familyname = "SansSerif";
  public static final Float def_Size = new Float(12);
  public static final Color def_Background = Color.white;
  public static final Color def_Foreground = Color.black;

  //vars
  protected Document doc;
  private Element element;
  private String contentType = "";
  private static final HashMap clrMap;
  private File syntaxFile;

  static {
    /**
     * 13种基本颜色
     */
    clrMap = new HashMap(13);

    clrMap.put("black", Color.black);
    clrMap.put("blue", Color.blue);
    clrMap.put("cyan", Color.cyan);
    clrMap.put("darkGray", Color.darkGray);

    clrMap.put("gray", Color.gray);
    clrMap.put("green", Color.green);
    clrMap.put("lightGray", Color.lightGray);
    clrMap.put("magenta", Color.magenta);

    clrMap.put("orange", Color.orange);
    clrMap.put("pink", Color.pink);
    clrMap.put("red", Color.red);
    clrMap.put("white", Color.white);
    clrMap.put("yellow", Color.yellow);
  }

  public SyntaxParser(File syntaxFile, String contentType) {
    try {
      this.contentType = contentType;
      openFile(syntaxFile);
      getStyle();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }

  }

  public SyntaxParser(File syntaxFile) {
    try {
      this.contentType = "";
      openFile(syntaxFile);

    }
    catch (Exception ex) {
      ex.printStackTrace();
    }

  }

  public void setContentType(String contentType) {
    this.contentType = contentType;
    this.getStyle();
  }

  public String getContentType() {
    return contentType;
  }

  /**
   * 返回加亮字体
   * @return
   */
  public Font[] getFonts() {

    HashMap attr = new HashMap();
    resetFontAttrs(attr);
    Font[] tokenFonts = new Font[SyntaxScanner.NUM_TOKEN_TYPES];
    ///////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.TEXT);
    Font font = new Font(attr);
    tokenFonts[SyntaxScanner.TEXT] = font;
//    resetFontAttrs(attr);
    //////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.PLAIN_TEXT);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.PLAIN_TEXT] = font;
//    resetFontAttrs(attr);
    ///////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.CONTENT);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.CONTENT] = font;
//    resetFontAttrs(attr);
    //////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.STRING);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.STRING] = font;
//    resetFontAttrs(attr);
    //////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.KEYWORDS);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.KEY_WORD] = font;
//    resetFontAttrs(attr);
    //////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.TAG);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.TAG] = font;
//    resetFontAttrs(attr);
    /////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.CLASSES);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.CLASS] = font;
//    resetFontAttrs(attr);
    /////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.LINE_COMMENT);
    attr.put(TextAttribute.POSTURE, TextAttribute.POSTURE_OBLIQUE);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.LINE_COMMENT] = font;
//    resetFontAttrs(attr);
    ////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.MULTI_COMMENT);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.MULTI_COMMENT] = font;
//    resetFontAttrs(attr);
    /////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.COMMENT);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.COMMENT] = font;
//    resetFontAttrs(attr);
    /////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.DOC_COMMENT);
    font = new Font(attr);
    attr.put(TextAttribute.POSTURE, TextAttribute.POSTURE_REGULAR);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.DOC_COMMENT] = font;
//    resetFontAttrs(attr);
    /////////////////////////////////////////////////////
    this.getFontAttrs(attr, this.SCRIPT);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.SCRIPT] = font;
    ///////////////////////////////////////////////////
    return tokenFonts;

//   return fakeGetFonts();

  }

  /**
   * 测试用的
   * @return
   */
  private Font[] fakeGetFonts() {
    Hashtable attr = new Hashtable();
    attr.put(TextAttribute.FAMILY, "SansSerif");
    attr.put(TextAttribute.SIZE, new Float(12));
    attr.put(TextAttribute.POSTURE, TextAttribute.POSTURE_REGULAR);
    attr.put(TextAttribute.WEIGHT, TextAttribute.WEIGHT_REGULAR);
    attr.put(TextAttribute.FOREGROUND, Color.black);
    Font font = new Font(attr);
    Font[] tokenFonts = new Font[SyntaxScanner.NUM_TOKEN_TYPES];
    tokenFonts[SyntaxScanner.TEXT] = font;
    tokenFonts[SyntaxScanner.PLAIN_TEXT] = font;
    tokenFonts[SyntaxScanner.CONTENT] = font;
    attr.put(TextAttribute.FOREGROUND, new Color(153, 153, 255));
    font = new Font(attr);
    tokenFonts[SyntaxScanner.STRING] = font;
    attr.put(TextAttribute.FOREGROUND, new Color(0, 0, 255));
    font = new Font(attr);
    tokenFonts[SyntaxScanner.KEY_WORD] = font;
    tokenFonts[SyntaxScanner.TAG] = font;
    attr.put(TextAttribute.FOREGROUND, Color.red);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.CLASS] = font;
    attr.put(TextAttribute.FOREGROUND, new Color(0, 153, 0));
    attr.put(TextAttribute.POSTURE, TextAttribute.POSTURE_OBLIQUE);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.LINE_COMMENT] = font;
    tokenFonts[SyntaxScanner.MULTI_COMMENT] = font;
    tokenFonts[SyntaxScanner.COMMENT] = font;
    attr.put(TextAttribute.FOREGROUND, new Color(102, 153, 102));
    attr.put(TextAttribute.POSTURE, TextAttribute.POSTURE_REGULAR);
    font = new Font(attr);
    tokenFonts[SyntaxScanner.DOC_COMMENT] = font;
    attr.put(TextAttribute.FOREGROUND, new Color(153, 102, 102));
    font = new Font(attr);
    tokenFonts[SyntaxScanner.SCRIPT] = font;
    return tokenFonts;
  }

  /**
   * 辅助函数，找寻font的属性的
   * @param attr
   * @param tagName
   */
  private void getFontAttrs(HashMap attr, String tagName) {
    if (element != null) {
      Element e = this.getChildElement(element, tagName);
      Element font = this.getChildElement(e, this.FONT);
      String str;
      str = this.getAttrValue(font, this.FAMILYNAME);
      if (str != null && !str.equals("")) {
        attr.put(TextAttribute.FAMILY, str);
      }

      str = this.getAttrValue(font, this.COLOR);
      if (str != null && !str.equals("")) {
        attr.put(TextAttribute.FOREGROUND,
                 this.getColor(str, this.def_Foreground));
      }

      str = this.getAttrValue(font, this.SIZE);
      if (str != null && !str.equals("")) {
        attr.put(TextAttribute.SIZE, new Float(str));
      }

    }
  }