phptokenmarker.java

来自「java写的多功能文件编辑器」· Java 代码 · 共 562 行 · 第 1/2 页

                {
                  addToken(lastWhitespace - lastOffset + 1, token, true);
                  addToken(i - lastWhitespace - 1, Token.METHOD, true);
                }
                addToken(1, Token.OPERATOR, true);
                token = SCRIPT;
                lastOffset = lastKeyword = i1;
                lastWhitespace = i;
              }
              break;
            case '"':
              doKeyword(line, i, c);
              if (backslash)
                backslash = false;
              else
              {
                addToken(i - lastOffset, token, true);
                lastOffset = lastKeyword = i;
                token = Token.LITERAL1;
              }
              break;
            case '\'':
              doKeyword(line, i, c);
              if (backslash)
                backslash = false;
              else
              {
                addToken(i - lastOffset, token, true);
                lastOffset = lastKeyword = i;
                token = Token.LITERAL2;
              }
              break;
            case '#':
              if (doKeyword(line, i, c))
                break;
              addToken(i - lastOffset, token, true);
              addToken(length - i, Token.COMMENT2, true);
              lastOffset = lastKeyword = length;
              break loop;
            case '/':
              backslash = false;
              doKeyword(line, i, c);
              if (length - i > 1)/*This is the same as if(length > i + 1) */

              {
                if (array[i1] == '/')
                {
                  addToken(i - lastOffset, token, true);
                  addToken(length - i, Token.COMMENT1, true);
                  lastOffset = lastKeyword = length;
                  break loop;
                } else if (array[i1] == '*') {
                  addToken(i - lastOffset, token, true);
                  lastOffset = lastKeyword = i;
                  token = Token.COMMENT2;
                } else {
                  // / operator
                  addToken(i - lastOffset, token, true);
                  addToken(1, Token.OPERATOR, true);
                  lastOffset = lastKeyword = i1;
                }
              } else {
                // / operator
                doKeyword(line, i, c);
                addToken(1, Token.OPERATOR, true);
                lastOffset = lastKeyword = i1;
              }
              break;
            case '$':
              doKeyword(line, i, c);
              if (backslash)
                backslash = false;
              else
              {
                addToken(i - lastOffset, token, true);
                token = PHP_VARIABLE;
                lastOffset = lastKeyword = i;
              }
              break;
            default:
              backslash = false;
              if (!Character.isLetterOrDigit(c) && c != '_')// && c != '$')
              {
                doKeyword(line, i, c);
                if (CTokenMarker.METHOD_DELIMITERS.indexOf(c) != -1)
                  lastWhitespace = i;

                if (c != ' ')
                {
                  addToken(i - lastOffset, token, true);
                  addToken(1, Token.OPERATOR, true);
                  lastOffset = lastKeyword = i1;
                }
              }
              break;
          }
          break;
        case PHP_VARIABLE:
          if (!Character.isLetterOrDigit(c) && c != '_')
          {
            addToken(i - lastOffset, Token.LITERAL2, true);
            addToken(1, Token.OPERATOR, true);
            lastOffset = lastKeyword = i1;
            lastWhitespace = i;
            token = SCRIPT;
          }
          break;
        case Token.LITERAL1: // Script "..."
          if (backslash)
            backslash = false;
          else if (c == '"')
          {
            addToken(i1 - lastOffset, Token.LITERAL1, true);
            lastOffset = lastKeyword = i1;
            lastWhitespace = i;
            token = SCRIPT;
          }
          break;
        case Token.LITERAL2: // Script '...'
          if (backslash)
            backslash = false;
          else if (c == '\'')
          {
            addToken(i1 - lastOffset, Token.LITERAL2, true);
            lastOffset = lastKeyword = i1;
            lastWhitespace = i;
            token = SCRIPT;
          }
          break;
        case Token.COMMENT2: // Inside a Script comment
          backslash = false;
          if (c == '*' && length - i > 1 && array[i1] == '/')
          {
            addToken(i + 2 - lastOffset, Token.COMMENT2, true);
            i += 1;
            lastOffset = lastKeyword = i + 1;
            lastWhitespace = i;
            token = SCRIPT;
          }
          break;
        default:
          throw new InternalError("Invalid state: " + token);
      }
    }

    switch (token)
    {
      case Token.LITERAL1:
        addToken(length - lastOffset, Token.LITERAL1);
        break;
      case Token.LITERAL2:
        addToken(length - lastOffset, Token.LITERAL2);
        break;
      case Token.KEYWORD2:
        addToken(length - lastOffset, Token.INVALID);
        token = Token.NULL;
        break;
      case SCRIPT:
        doKeyword(line, length, '\0');
        addToken(length - lastOffset, Token.NULL, true);
        break;
      case Token.COMMENT2:
        addToken(length - lastOffset, Token.COMMENT1);
        break;
      case INSIDE_TAG:
        break;
      case HTML_LITERAL_QUOTE: case HTML_LITERAL_NO_QUOTE:
        addToken(length - lastOffset, Token.LITERAL1);
        break;
      case PHP_VARIABLE:
        addToken(length - lastOffset, Token.KEYWORD3, true);
        token = SCRIPT;
        break;
      case Token.METHOD: case Token.OPERATOR:
        addToken(length - lastOffset, token, true);
        token = SCRIPT;
        break;
      default:
        addToken(length - lastOffset, token);
        break;
    }

    return token;
  }

  // private members
  private static KeywordMap keywords;
  private int lastOffset;
  private int lastKeyword;
  private int lastWhitespace;
  private boolean script = false;

  static
  {
    keywords = new KeywordMap(false);
    keywords.add("function", Token.KEYWORD2);
    keywords.add("class", Token.KEYWORD2);
    keywords.add("var", Token.KEYWORD2);
    keywords.add("global", Token.KEYWORD2);
    keywords.add("require", Token.KEYWORD2);
    keywords.add("require_once", Token.KEYWORD2);
    keywords.add("include", Token.KEYWORD2);
    keywords.add("include_once", Token.KEYWORD2);
    keywords.add("and", Token.KEYWORD1);
    keywords.add("or", Token.KEYWORD1);
    keywords.add("else", Token.KEYWORD1);
    keywords.add("elseif", Token.KEYWORD1);
    keywords.add("do", Token.KEYWORD1);
    keywords.add("as", Token.KEYWORD1);
    keywords.add("for", Token.KEYWORD1);
    keywords.add("foreach", Token.KEYWORD1);
    keywords.add("if", Token.KEYWORD1);
    keywords.add("endif", Token.KEYWORD1);
    keywords.add("in", Token.KEYWORD1);
    keywords.add("new", Token.KEYWORD1);
    keywords.add("return", Token.KEYWORD1);
    keywords.add("while", Token.KEYWORD1);
    keywords.add("endwhile", Token.KEYWORD1);
    keywords.add("with", Token.KEYWORD1);
    keywords.add("break", Token.KEYWORD1);
    keywords.add("switch", Token.KEYWORD1);
    keywords.add("case", Token.KEYWORD1);
    keywords.add("continue", Token.KEYWORD1);
    keywords.add("default", Token.KEYWORD1);
    keywords.add("echo", Token.KEYWORD1);
    keywords.add("false", Token.KEYWORD1);
    keywords.add("this", Token.KEYWORD1);
    keywords.add("true", Token.KEYWORD1);
    keywords.add("array", Token.KEYWORD1);
    keywords.add("extends", Token.KEYWORD1);
  }

  protected void addToken(int i, byte id)
  {
    addToken(i, id, false);
  }

  protected void addToken(int i, byte id, boolean highlighBackground)
  {
    if (id == SCRIPT)
      id = Token.NULL;
    super.addToken(i, id, highlighBackground);
  }
  
  private boolean doKeyword(Segment line, int i, char c)
  {
    int i1 = i + 1;

    int len = i - lastKeyword;
    byte id = keywords.lookup(line, lastKeyword, len);
    if (id != Token.NULL)
    {
      if (lastKeyword != lastOffset)
        addToken(lastKeyword - lastOffset, Token.NULL, true);
      addToken(len, id, true);
      lastOffset = i;
      lastKeyword = i1;
      lastWhitespace = i;
      return true;
    }
    lastKeyword = i1;
    return false;
  }
}

/*
  * ChangeLog:
  * $Log: PHPTokenMarker.java,v $
  * Revision 1.11  2003/06/30 17:31:10  blaisorblade
  * Fix for line-ends.
  *
  * Revision 1.10  2003/06/29 13:37:27  gfx
  * Support of JDK 1.4.2
  *
  * Revision 1.9  2003/02/26 21:20:41  gfx
  * New PHP highlighting feature
  *
  * Revision 1.8  2002/05/13 17:37:21  gfx
  * *** empty log message ***
  *
  */