示例#1
0
  public char getchr() throws IOException
  {
    if((peek < 0) && (last_char != ' ') && (last_char != '\t'))
    {
      if((last_char != '\n') && (last_char != '\r'))
        p_char = last_char;
    }
    if(peek > 0)        /* char was read previously */
    {
      last_char = peekc;
      peek = -1;
    }
    else                    /* read next char in string */
    {
      indexBlock++;
      if (indexBlock >= lineLength)
      {
        for (int ib=0; ib<readCount; ib++) chars[ib] = '\0';

        lineLength = readCount = 0;
        reader.mark(1);
        if (reader.read() != -1)
        {
          reader.reset();  // back to the mark
          readCount = reader.read(chars);
          lineLength = readCount;
          strBlock = new String(chars);
          indexBlock = 0;
          last_char = strBlock.charAt(indexBlock);
          peek = -1;
          peekc = '`';
        }
        else
        {
          EOF = 1;
          peekc  = '\0';
        }
      }
      else
      {
        last_char = strBlock.charAt(indexBlock);
      }
    }
    peek = -1;
    if (last_char == '\r')
    {
      last_char = getchr();
    }

    return last_char;
  }
示例#2
0
  public void run() {
    StringBuffer onechar;

    // Adding an additional newline as a hack around other errors
    String originalText = editor.getText() + "\n";
    strOut = new StringBuffer();
    indentValue = Preferences.getInteger("editor.tabs.size");
    indentChar = new String(" ");

    lineNumber = 0;
    c_level = if_lev = level = e_flg = paren = 0;
    a_flg = q_flg = j = tabs = 0;
    if_flg = peek = -1;
    peekc = '`';
    s_flg = 1;
    jdoc = 0;

    s_level  = new int[10];
    sp_flg   = new int[20][10];
    s_ind    = new int[20][10];
    s_if_lev = new int[10];
    s_if_flg = new int[10];
    ind      = new int[10];
    p_flg    = new int[10];
    s_tabs   = new int[20][10];

    w_else = new String ("else");
    w_if_ = new String ("if");
    w_for = new String ("for");
    w_ds  = new String ("default");
    w_case  = new String ("case");
    w_cpp_comment = new String ("//");
    w_jdoc = new String ("/**");
    line_feed = new String ("\n");

    // read as long as there is something to read
    EOF = 0;  // = 1 set in getchr when EOF

    chars = new char[BLOCK_MAXLEN];
    string = new char[BLOCK_MAXLEN];
    try {  // the whole process
      // open for input
      reader = new CharArrayReader(originalText.toCharArray());

      // add buffering to that InputStream
//      bin = new BufferedInputStream(in);

      for (int ib = 0; ib < BLOCK_MAXLEN; ib++) chars[ib] = '\0';

      lineLength = readCount = 0;
      // read up a block - remember how many bytes read
      readCount = reader.read(chars);
      strBlock = new String(chars);

      lineLength = readCount;
      lineNumber  = 1;
      indexBlock = -1;
      j = 0;
      while (EOF == 0)
      {
        c = getchr();
        switch(c)
        {
        default:
          string[j++] = c;
          if(c != ',')
          {
            l_char = c;
          }
          break;

        case ' ':
        case '\t':
          if(lookup(w_else) == 1)
          {
            gotelse();
            if(s_flg == 0 || j > 0)string[j++] = c;
            indent_puts();
            s_flg = 0;
            break;
          }
          if(s_flg == 0 || j > 0)string[j++] = c;
          break;

        case '\r':  // <CR> for MS Windows 95
        case '\n':
          lineNumber++;
          if (EOF==1)
          {
            break;
          }
          //String j_string = new String(string);

          e_flg = lookup(w_else);
          if(e_flg == 1) gotelse();
          if (lookup_com(w_cpp_comment) == 1)
          {
            if (string[j] == '\n')
            {
              string[j] = '\0';
              j--;
            }
          }

          indent_puts();
          //fprintf(outfil, line_feed);
          fprintf(line_feed);
          s_flg = 1;
          if(e_flg == 1)
          {
            p_flg[level]++;
            tabs++;
          }
          else
            if(p_char == l_char)
            {
              a_flg = 1;
            }
          break;

        case '{':
          if(lookup(w_else) == 1)gotelse();
          if (s_if_lev.length == c_level) {
            s_if_lev = PApplet.expand(s_if_lev);
            s_if_flg = PApplet.expand(s_if_flg);
          }
          s_if_lev[c_level] = if_lev;
          s_if_flg[c_level] = if_flg;
          if_lev = if_flg = 0;
          c_level++;
          if(s_flg == 1 && p_flg[level] != 0)
          {
            p_flg[level]--;
            tabs--;
          }
          string[j++] = c;
          indent_puts();
          getnl() ;
          indent_puts();
          //fprintf(outfil,"\n");
          fprintf("\n");
          tabs++;
          s_flg = 1;
          if(p_flg[level] > 0)
          {
            ind[level] = 1;
            level++;
            s_level[level] = c_level;
          }
          break;

        case '}':
          c_level--;
          if (c_level < 0)
          {
            EOF = 1;
            //System.out.println("eof b");
            string[j++] = c;
            indent_puts();
            break;
          }
          if ((if_lev = s_if_lev[c_level]-1) < 0)
            if_lev = 0;
          if_flg = s_if_flg[c_level];
          indent_puts();
          tabs--;
          p_tabs();
          peekc = getchr();
          if( peekc == ';')
          {
            onechar = new StringBuffer();
            onechar.append(c);   // the }
            onechar.append(';');
            //fprintf(outfil, onechar.toString());
            fprintf(onechar.toString());
            peek = -1;
            peekc = '`';
          }
          else
          {
            onechar = new StringBuffer();
            onechar.append(c);
            //fprintf(outfil, onechar.toString());
            fprintf(onechar.toString());
            peek = 1;
          }
          getnl();
          indent_puts();
          //fprintf(outfil,"\n");
          fprintf("\n");
          s_flg = 1;
          if(c_level < s_level[level])
            if(level > 0) level--;
          if(ind[level] != 0)
          {
            tabs -= p_flg[level];
            p_flg[level] = 0;
            ind[level] = 0;
          }
          break;

        case '"':
        case '\'':
          string[j++] = c;
          cc = getchr();
          while(cc != c)
          {
            // max. length of line should be 256
            string[j++] = cc;

            if(cc == '\\')
            {
              cc = string[j++] = getchr();
            }
            if(cc == '\n')
            {
              lineNumber++;
              indent_puts();
              s_flg = 1;
            }
            cc = getchr();

          }
          string[j++] = cc;
          if(getnl() == 1)
          {
            l_char = cc;
            peek = 1;
            peekc = '\n';
          }
          break;

        case ';':
          string[j++] = c;
          indent_puts();
          if(p_flg[level] > 0 && ind[level] == 0)
          {
            tabs -= p_flg[level];
            p_flg[level] = 0;
          }
          getnl();
          indent_puts();
          //fprintf(outfil,"\n");
          fprintf("\n");
          s_flg = 1;
          if(if_lev > 0)
            if(if_flg == 1)
            {
              if_lev--;
              if_flg = 0;
            }
            else if_lev = 0;
          break;

        case '\\':
          string[j++] = c;
          string[j++] = getchr();
          break;

        case '?':
          q_flg = 1;
          string[j++] = c;
          break;

        case ':':
          string[j++] = c;
          peekc = getchr();
          if(peekc == ':')
          {
            indent_puts();
            //fprintf (outfil,":");
            fprintf(":");
            peek = -1;
            peekc = '`';
            break;
          }
          else
          {
            //int double_colon = 0;
            peek = 1;
          }

          if(q_flg == 1)
          {
            q_flg = 0;
            break;
          }
          if(lookup(w_ds) == 0 && lookup(w_case) == 0)
          {
            s_flg = 0;
            indent_puts();
          }
          else
          {
            tabs--;
            indent_puts();
            tabs++;
          }
          peekc = getchr();
          if(peekc == ';')
          {
            fprintf(";");
            peek = -1;
            peekc = '`';
          }
          else
          {
            peek = 1;
          }
          getnl();
          indent_puts();
          fprintf("\n");
          s_flg = 1;
          break;

        case '/':
          string[j++] = c;
          peekc = getchr();

          if(peekc == '/')
          {
            string[j++] = peekc;
            peekc = '`';
            peek = -1;
            cpp_comment();
            //fprintf(outfil,"\n");
            fprintf("\n");
            break;
          }
          else
          {
            peek = 1;
          }

          if(peekc != '*') {
            break;
          }
          else
          {
            if (j > 0) string[j--] = '\0';
            if (j > 0) indent_puts();
            string[j++] = '/';
            string[j++] = '*';
            peek = -1;
            peekc = '`';
            comment();
            break;
          }

        case '#':
          string[j++] = c;
          cc = getchr();
          while(cc != '\n')
          {
            string[j++] = cc;
            cc = getchr();
          }
          string[j++] = cc;
          s_flg = 0;
          indent_puts();
          s_flg = 1;
          break;

        case ')':
          paren--;
          if (paren < 0)
          {
            EOF = 1;
            //System.out.println("eof c");
          }
          string[j++] = c;
          indent_puts();
          if(getnl() == 1)
          {
            peekc = '\n';
            peek = 1;
            if(paren != 0)
            {
              a_flg = 1;
            }
            else if(tabs > 0)
            {
              p_flg[level]++;
              tabs++;
              ind[level] = 0;
            }
          }
          break;

        case '(':
          string[j++] = c;
          paren++;
          if ((lookup(w_for) == 1))
          {
            c = get_string();
            while(c != ';') c = get_string();
            ct=0;
            int for_done = 0;
            while (for_done==0)
            {
              c = get_string();
              while(c != ')')
              {
                if(c == '(') ct++;
                c = get_string();
              }
              if(ct != 0)
              {
                ct--;
              }
              else for_done = 1;
            }                        // endwhile for_done
            paren--;
            if (paren < 0)
            {
              EOF = 1;
              //System.out.println("eof d");
            }
            indent_puts();
            if(getnl() == 1)
            {
              peekc = '\n';
              peek = 1;
              p_flg[level]++;
              tabs++;
              ind[level] = 0;
            }
            break;
          }

          if(lookup(w_if_) == 1)
          {
            indent_puts();
            s_tabs[c_level][if_lev] = tabs;
            sp_flg[c_level][if_lev] = p_flg[level];
            s_ind[c_level][if_lev] = ind[level];
            if_lev++;
            if_flg = 1;
          }
        } // end switch

        //System.out.println("string len is " + string.length);
        //if (EOF == 1) System.out.println(string);
        //String j_string = new String(string);

      } // end while not EOF

      /*
      int bad;
      while ((bad = bin.read()) != -1) {
        System.out.print((char) bad);
      }
      */
      /*
      char bad;
      //while ((bad = getchr()) != 0) {
      while (true) {
        getchr();
        if (peek != -1) {
          System.out.print(last_char);
        } else {
          break;
        }
      }
      */

      // save current (rough) selection point
      int selectionEnd = editor.getSelectionStop();

      // make sure the caret would be past the end of the text
      if (strOut.length() < selectionEnd - 1) {
        selectionEnd = strOut.length() - 1;
      }

      reader.close(); // close buff

      String formattedText = strOut.toString();
      if (formattedText.equals(originalText)) {
        editor.statusNotice(_("No changes necessary for Auto Format."));

      } else if (paren != 0) {
        // warn user if there are too many parens in either direction
	if (paren < 0) {
	  editor.statusError(
	    _("Auto Format Canceled: Too many right parentheses."));
	} else {
	  editor.statusError(
	    _("Auto Format Canceled: Too many left parentheses."));
	}

      } else if (c_level != 0) {  // check braces only if parens are ok
	if (c_level < 0) {
	  editor.statusError(
	    _("Auto Format Canceled: Too many right curly braces."));
	} else {
	  editor.statusError(
	    _("Auto Format Canceled: Too many left curly braces."));
	}

      } else {
        // replace with new bootiful text
        // selectionEnd hopefully at least in the neighborhood
        editor.setText(formattedText);
        editor.setSelection(selectionEnd, selectionEnd);
        editor.getSketch().setModified(true);
        // mark as finished
        editor.statusNotice(_("Auto Format finished."));
      }

    } catch (Exception e) {
      editor.statusError(e);
    }
  }