Exemplo n.º 1
0
  /**
   * Draw every char in separate terminal cell to guaranty equal width for different lines.
   * Nevertheless to improve kerning we draw word characters as one block for monospaced fonts.
   */
  private void drawChars(int x, int y, CharBuffer buf, TextStyle style, Graphics2D gfx) {
    final int blockLen = 1;
    int offset = 0;
    int drawCharsOffset = 0;

    // workaround to fix Swing bad rendering of bold special chars on Linux
    // TODO required for italic?
    CharBuffer renderingBuffer;
    if (mySettingsProvider.DECCompatibilityMode() && style.hasOption(TextStyle.Option.BOLD)) {
      renderingBuffer = CharUtils.heavyDecCompatibleBuffer(buf);
    } else {
      renderingBuffer = buf;
    }

    while (offset + blockLen <= buf.length()) {
      if (renderingBuffer.getBuf()[buf.getStart() + offset] == CharUtils.DWC) {
        offset += blockLen;
        drawCharsOffset += blockLen;
        continue; // dont' draw second part(fake one) of double width character
      }

      Font font = getFontToDisplay(buf.charAt(offset + blockLen - 1), style);
      //      while (myMonospaced && (offset + blockLen < buf.getLength()) &&
      // isWordCharacter(buf.charAt(offset + blockLen - 1))
      //              && (font == getFontToDisplay(buf.charAt(offset + blockLen - 1), style))) {
      //        blockLen++;
      //      }
      gfx.setFont(font);

      int descent = gfx.getFontMetrics(font).getDescent();
      int baseLine = (y + 1) * myCharSize.height - descent;
      int xCoord = (x + drawCharsOffset) * myCharSize.width;
      int textLength =
          CharUtils.getTextLengthDoubleWidthAware(
              buf.getBuf(),
              buf.getStart() + offset,
              blockLen,
              mySettingsProvider.ambiguousCharsAreDoubleWidth());

      int yCoord = y * myCharSize.height;

      gfx.setClip(
          xCoord,
          yCoord,
          Math.min(textLength * myCharSize.width, getWidth() - xCoord),
          Math.min(myCharSize.height, getHeight() - yCoord));

      gfx.setColor(getPalette().getColor(myStyleState.getForeground(style.getForegroundForRun())));

      gfx.drawChars(renderingBuffer.getBuf(), buf.getStart() + offset, blockLen, xCoord, baseLine);

      drawCharsOffset += blockLen;
      offset += blockLen;
    }
    gfx.setClip(null);
  }
Exemplo n.º 2
0
  private int parseInt(CharBuffer cb) throws Exception {
    int value = 0;
    int sign = 1;

    for (int i = 0; i < cb.length(); i++) {
      int ch = cb.charAt(i);
      if (i == 0 && ch == '-') sign = -1;
      else if (i == 0 && ch == '+') {
      } else if (ch >= '0' && ch <= '9') value = 10 * value + ch - '0';
      else throw new Exception();
    }

    return sign * value;
  }
Exemplo n.º 3
0
  /**
   * Check if the first X characters of a byte stream match a String.
   *
   * @param data The byte array to process
   * @param pattern The String to match
   * @return True if the pattern was found, false otherwise
   */
  private static boolean bytesEqualsString(byte[] data, String pattern) {
    byte[] bytes = new byte[pattern.length()];
    Charset csets = Charset.forName("US-ASCII");
    boolean fin = false;
    int currChar = 0;

    // remove any CR and/or LF characters at the beginning of the article
    // data
    while (!fin) {
      if (currChar >= data.length) break;

      byte in = data[currChar];
      ByteBuffer bb = ByteBuffer.wrap(new byte[] {(byte) in});
      CharBuffer cb = csets.decode(bb);
      char c = cb.charAt(0);

      if (data.length > 0 && (c == '\n' || c == '\r')) currChar++;
      else fin = true;

      if (data.length == 0) fin = true;
    }

    // extract bytes (chars) to check from article data
    for (int i = 0; i < bytes.length && i < data.length; i++, currChar++) {
      byte in = data[currChar];
      bytes[i] = (byte) in;
    }

    // decode byte data to characters
    ByteBuffer bb = ByteBuffer.wrap(bytes);
    CharBuffer cb = csets.decode(bb);

    // compare these characters to the pattern String
    for (int i = 0; i < pattern.length(); i++) if (cb.charAt(i) != pattern.charAt(i)) return false;

    return true;
  }
Exemplo n.º 4
0
  /*
   * XXX: okay, this is vile.
   * Mon, 17 Jan 1994 11:14:55 -0500 (EST)
   *
   * In GMT time
   */
  public long parseDate(String string) throws Exception {
    try {
      int strlen = string.length();

      if (strlen == 0) return 0;

      int i = skipWhitespace(string, strlen, 0);

      int ch = string.charAt(i);
      if (ch >= '0' && ch <= '9'
          || (ch == 'T'
              && i + 1 < strlen
              && string.charAt(i + 1) >= '0'
              && string.charAt(i + 1) <= '9')) return parseISO8601Date(string, i);

      CharBuffer cb = new CharBuffer();

      i = scan(string, 0, cb, true);
      if (cb.length() == 0 || !Character.isDigit(cb.charAt(0))) i = scan(string, i, cb, true);

      int dayOfMonth = parseInt(cb);
      i = scan(string, i, cb, true);
      String smonth = cb.toString();
      int month;
      for (month = 0; month < 12; month++) {
        if (MONTH_NAMES[(int) month].equalsIgnoreCase(smonth)) break;
      }
      if (month == 12) throw new Exception("Unexpected month: " + month);

      i = scan(string, i, cb, true);

      int year = parseInt(cb);
      if (cb.length() < 3 && year < 50) year += 2000;
      else if (cb.length() < 3 && year < 100) year += 1900;

      i = scan(string, i, cb, false);
      long timeOfDay = parseInt(cb) * 3600000;

      i = scan(string, i, cb, false);
      timeOfDay += parseInt(cb) * 60000;

      i = scan(string, i, cb, false);
      timeOfDay += parseInt(cb) * 1000;

      // XXX: gross hack
      if (year <= 1600) dayOfMonth--;

      long time =
          (MS_PER_DAY
                  * (yearToDayOfEpoch(year)
                      + monthToDayOfYear(month, isLeapYear(year))
                      + dayOfMonth
                      - 1)
              + timeOfDay);

      try {
        i = scan(string, i, cb, false);
        for (int j = 0; j < cb.length(); j++) {
          if ((ch = cb.charAt(j)) == ';' || ch == ' ') cb.setLength(j);
        }

        ch = cb.length() > 0 ? cb.charAt(0) : 0;
        if (ch == '-' || ch == '+' || ch >= '0' && ch <= '9') {
          long zoneOffset;
          zoneOffset = parseInt(cb);
          zoneOffset = 60000 * (60 * (zoneOffset / 100) + zoneOffset % 100);

          time -= zoneOffset;

          setGMTTime(time);
        } else if (cb.equalsIgnoreCase("gmt") || cb.equalsIgnoreCase("utc")) {
          setGMTTime(time);
        } else {
          setLocalTime(time);
        }
      } catch (Exception e) {
        log.log(Level.FINER, e.toString(), e);
      }

      return _localTimeOfEpoch - _zoneOffset;
    } catch (Exception e) {
      log.log(Level.FINER, e.toString(), e);

      return Long.MAX_VALUE;
    }
  }
  public static void main(String[] args) throws Exception {
    System.out.println(">>> StringCharBufferSliceTest-main: testing the slice method...");

    final String in = "for testing";

    System.out.println(">>> StringCharBufferSliceTest-main: testing with the position 0.");

    CharBuffer buff = CharBuffer.wrap(in);
    test(buff, buff.slice());

    System.out.println(">>> StringCharBufferSliceTest-main: testing with new position.");

    buff.position(2);
    test(buff, buff.slice());

    System.out.println(
        ">>> StringCharBufferSliceTest-main: testing with non zero initial position.");

    buff = CharBuffer.wrap(in, 3, in.length());
    test(buff, buff.slice());

    System.out.println(">>> StringCharBufferSliceTest-main: testing slice result with get()");
    buff.position(4);
    buff.limit(7);
    CharBuffer slice = buff.slice();
    for (int i = 0; i < 3; i++) {
      if (slice.get() != buff.get()) {
        throw new RuntimeException("Wrong characters in slice result.");
      }
    }

    System.out.println(">>> StringCharBufferSliceTest-main: testing slice result with get(int)");
    buff.position(4);
    buff.limit(7);
    slice = buff.slice();
    for (int i = 0; i < 3; i++) {
      if (slice.get(i) != buff.get(4 + i)) {
        throw new RuntimeException("Wrong characters in slice result.");
      }
    }

    System.out.println(">>> StringCharBufferSliceTest-main: testing slice with result of slice");
    buff.position(0);
    buff.limit(buff.capacity());
    slice = buff.slice();
    for (int i = 0; i < 4; i++) {
      slice.position(i);
      CharBuffer nextSlice = slice.slice();
      if (nextSlice.position() != 0)
        throw new RuntimeException("New buffer's position should be zero");
      if (!nextSlice.equals(slice)) throw new RuntimeException("New buffer should be equal");
      slice = nextSlice;
    }

    System.out.println(">>> StringCharBufferSliceTest-main: testing toString.");
    buff.position(4);
    buff.limit(7);
    slice = buff.slice();
    if (!slice.toString().equals("tes")) {
      throw new RuntimeException("bad toString() after slice(): " + slice.toString());
    }

    System.out.println(">>> StringCharBufferSliceTest-main: testing subSequence.");
    buff.position(4);
    buff.limit(8);
    slice = buff.slice();
    CharSequence subSeq = slice.subSequence(1, 3);
    if (subSeq.charAt(0) != 'e' || subSeq.charAt(1) != 's') {
      throw new RuntimeException("bad subSequence() after slice(): '" + subSeq + "'");
    }

    System.out.println(">>> StringCharBufferSliceTest-main: testing duplicate.");
    buff.position(4);
    buff.limit(8);
    slice = buff.slice();
    CharBuffer dupe = slice.duplicate();
    if (dupe.charAt(0) != 't'
        || dupe.charAt(1) != 'e'
        || dupe.charAt(2) != 's'
        || dupe.charAt(3) != 't') {
      throw new RuntimeException("bad duplicate() after slice(): '" + dupe + "'");
    }

    System.out.println(">>> StringCharBufferSliceTest-main: done!");
  }