Beispiel #1
0
 @Nullable
 public static TextRange findNext(
     @NotNull Editor editor,
     @NotNull String pattern,
     final int offset,
     boolean ignoreCase,
     final boolean forwards) {
   final List<TextRange> results =
       findAll(editor, pattern, 0, -1, shouldIgnoreCase(pattern, ignoreCase));
   if (results.isEmpty()) {
     return null;
   }
   final int size = EditorHelper.getFileSize(editor);
   final TextRange max =
       Collections.max(
           results,
           new Comparator<TextRange>() {
             @Override
             public int compare(TextRange r1, TextRange r2) {
               final int d1 = distance(r1, offset, forwards, size);
               final int d2 = distance(r2, offset, forwards, size);
               if (d1 < 0 && d2 >= 0) {
                 return Integer.MAX_VALUE;
               }
               return d2 - d1;
             }
           });
   if (!Options.getInstance().isSet("wrapscan")) {
     final int start = max.getStartOffset();
     if (forwards && start < offset || start >= offset) {
       return null;
     }
   }
   return max;
 }
Beispiel #2
0
  public int searchWord(@NotNull Editor editor, int count, boolean whole, int dir) {
    TextRange range = SearchHelper.findWordUnderCursor(editor);
    if (range == null) {
      return -1;
    }

    StringBuilder pattern = new StringBuilder();
    if (whole) {
      pattern.append("\\<");
    }
    pattern.append(EditorHelper.getText(editor, range.getStartOffset(), range.getEndOffset()));
    if (whole) {
      pattern.append("\\>");
    }

    MotionGroup.moveCaret(editor, range.getStartOffset());

    lastSearch = pattern.toString();
    setLastPattern(editor, lastSearch);
    lastOffset = "";
    lastDir = dir;

    searchHighlight(true);

    return findItOffset(editor, editor.getCaretModel().getOffset(), count, lastDir, true);
  }
Beispiel #3
0
  @NotNull
  public static List<TextRange> findAll(
      @NotNull Editor editor,
      @NotNull String pattern,
      int startLine,
      int endLine,
      boolean ignoreCase) {
    final List<TextRange> results = Lists.newArrayList();
    final int lineCount = EditorHelper.getLineCount(editor);
    final int actualEndLine = endLine == -1 ? lineCount : endLine;

    final RegExp.regmmatch_T regMatch = new RegExp.regmmatch_T();
    final RegExp regExp = new RegExp();
    regMatch.regprog = regExp.vim_regcomp(pattern, 1);
    if (regMatch.regprog == null) {
      return results;
    }

    regMatch.rmm_ic = ignoreCase;

    int col = 0;
    for (int line = startLine; line <= actualEndLine; ) {
      int matchedLines = regExp.vim_regexec_multi(regMatch, editor, lineCount, line, col);
      if (matchedLines > 0) {
        final CharacterPosition startPos =
            new CharacterPosition(line + regMatch.startpos[0].lnum, regMatch.startpos[0].col);
        final CharacterPosition endPos =
            new CharacterPosition(line + regMatch.endpos[0].lnum, regMatch.endpos[0].col);
        int start = EditorHelper.characterPositionToOffset(editor, startPos);
        int end = EditorHelper.characterPositionToOffset(editor, endPos);
        results.add(new TextRange(start, end));

        if (start != end) {
          line += matchedLines - 1;
          col = endPos.column;
        } else {
          line += matchedLines;
          col = 0;
        }
      } else {
        line++;
        col = 0;
      }
    }

    return results;
  }
Beispiel #4
0
  public boolean searchAndReplace(
      @NotNull Editor editor, @NotNull LineRange range, @NotNull String excmd, String exarg) {
    boolean res = true;

    // Explicitly exit visual mode here, so that visual mode marks don't change when we move the
    // cursor to a match.
    if (CommandState.getInstance(editor).getMode() == CommandState.Mode.VISUAL) {
      VimPlugin.getMotion().exitVisual(editor);
    }

    CharPointer cmd = new CharPointer(new StringBuffer(exarg));
    // sub_nsubs = 0;
    // sub_nlines = 0;

    int which_pat;
    if (excmd.equals("~")) {
      which_pat = RE_LAST; /* use last used regexp */
    } else {
      which_pat = RE_SUBST; /* use last substitute regexp */
    }

    CharPointer pat;
    CharPointer sub;
    char delimiter;
    /* new pattern and substitution */
    if (excmd.charAt(0) == 's'
        && !cmd.isNul()
        && !Character.isWhitespace(cmd.charAt())
        && "0123456789cegriIp|\"".indexOf(cmd.charAt()) == -1) {
      /* don't accept alphanumeric for separator */
      if (CharacterClasses.isAlpha(cmd.charAt())) {
        VimPlugin.showMessage(MessageHelper.message(Msg.E146));
        return false;
      }
      /*
       * undocumented vi feature:
       *  "\/sub/" and "\?sub?" use last used search pattern (almost like
       *  //sub/r).  "\&sub&" use last substitute pattern (like //sub/).
       */
      if (cmd.charAt() == '\\') {
        cmd.inc();
        if ("/?&".indexOf(cmd.charAt()) == -1) {
          VimPlugin.showMessage(MessageHelper.message(Msg.e_backslash));
          return false;
        }
        if (cmd.charAt() != '&') {
          which_pat = RE_SEARCH; /* use last '/' pattern */
        }
        pat = new CharPointer(""); /* empty search pattern */
        delimiter = cmd.charAt(); /* remember delimiter character */
        cmd.inc();
      } else /* find the end of the regexp */ {
        which_pat = RE_LAST; /* use last used regexp */
        delimiter = cmd.charAt(); /* remember delimiter character */
        cmd.inc();
        pat = cmd.ref(0); /* remember start of search pat */
        cmd = RegExp.skip_regexp(cmd, delimiter, true);
        if (cmd.charAt() == delimiter) /* end delimiter found */ {
          cmd.set('\u0000').inc(); /* replace it with a NUL */
        }
      }

      /*
       * Small incompatibility: vi sees '\n' as end of the command, but in
       * Vim we want to use '\n' to find/substitute a NUL.
       */
      sub = cmd.ref(0); /* remember the start of the substitution */

      while (!cmd.isNul()) {
        if (cmd.charAt() == delimiter) /* end delimiter found */ {
          cmd.set('\u0000').inc(); /* replace it with a NUL */
          break;
        }
        if (cmd.charAt(0) == '\\' && cmd.charAt(1) != 0) /* skip escaped characters */ {
          cmd.inc();
        }
        cmd.inc();
      }
    } else /* use previous pattern and substitution */ {
      if (lastReplace == null) /* there is no previous command */ {
        VimPlugin.showMessage(MessageHelper.message(Msg.e_nopresub));
        return false;
      }
      pat = null; /* search_regcomp() will use previous pattern */
      sub = new CharPointer(lastReplace);
    }

    /*
     * Find trailing options.  When '&' is used, keep old options.
     */
    if (cmd.charAt() == '&') {
      cmd.inc();
    } else {
      do_all = Options.getInstance().isSet("gdefault");
      do_ask = false;
      do_error = true;
      // do_print = false;
      do_ic = 0;
    }
    while (!cmd.isNul()) {
      /*
       * Note that 'g' and 'c' are always inverted, also when p_ed is off.
       * 'r' is never inverted.
       */
      if (cmd.charAt() == 'g') {
        do_all = !do_all;
      } else if (cmd.charAt() == 'c') {
        do_ask = !do_ask;
      } else if (cmd.charAt() == 'e') {
        do_error = !do_error;
      } else if (cmd.charAt() == 'r') /* use last used regexp */ {
        which_pat = RE_LAST;
      } else if (cmd.charAt() == 'i') /* ignore case */ {
        do_ic = 'i';
      } else if (cmd.charAt() == 'I') /* don't ignore case */ {
        do_ic = 'I';
      } else if (cmd.charAt() != 'p') {
        break;
      }
      cmd.inc();
    }

    int line1 = range.getStartLine();
    int line2 = range.getEndLine();

    /*
     * check for a trailing count
     */
    cmd = CharHelper.skipwhite(cmd);
    if (CharacterClasses.isDigit(cmd.charAt())) {
      int i = CharHelper.getdigits(cmd);
      if (i <= 0 && do_error) {
        VimPlugin.showMessage(MessageHelper.message(Msg.e_zerocount));
        return false;
      }
      line1 = line2;
      line2 = EditorHelper.normalizeLine(editor, line1 + i - 1);
    }

    /*
     * check for trailing command or garbage
     */
    cmd = CharHelper.skipwhite(cmd);
    if (!cmd.isNul() && cmd.charAt() != '"') /* if not end-of-line or comment */ {
      VimPlugin.showMessage(MessageHelper.message(Msg.e_trailing));
      return false;
    }

    String pattern = "";
    if (pat == null || pat.isNul()) {
      switch (which_pat) {
        case RE_LAST:
          pattern = lastPattern;
          break;
        case RE_SEARCH:
          pattern = lastSearch;
          break;
        case RE_SUBST:
          pattern = lastSubstitute;
          break;
      }
    } else {
      pattern = pat.toString();
    }

    lastSubstitute = pattern;
    if (pattern != null) {
      setLastPattern(editor, pattern);
    }

    // int start = editor.logicalPositionToOffset(new LogicalPosition(line1, 0));
    // int end = editor.logicalPositionToOffset(new LogicalPosition(line2,
    // EditorHelper.getLineLength(editor, line2)));
    int start = editor.getDocument().getLineStartOffset(line1);
    int end = editor.getDocument().getLineEndOffset(line2);

    RegExp sp;
    RegExp.regmmatch_T regmatch = new RegExp.regmmatch_T();
    sp = new RegExp();
    regmatch.regprog = sp.vim_regcomp(pattern, 1);
    if (regmatch.regprog == null) {
      if (do_error) {
        VimPlugin.showMessage(MessageHelper.message(Msg.e_invcmd));
      }
      return false;
    }

    /* the 'i' or 'I' flag overrules 'ignorecase' and 'smartcase' */
    if (do_ic == 'i') {
      regmatch.rmm_ic = true;
    } else if (do_ic == 'I') {
      regmatch.rmm_ic = false;
    }

    /*
     * ~ in the substitute pattern is replaced with the old pattern.
     * We do it here once to avoid it to be replaced over and over again.
     * But don't do it when it starts with "\=", then it's an expression.
     */
    if (!(sub.charAt(0) == '\\' && sub.charAt(1) == '=') && lastReplace != null) {
      StringBuffer tmp = new StringBuffer(sub.toString());
      int pos = 0;
      while ((pos = tmp.indexOf("~", pos)) != -1) {
        if (pos == 0 || tmp.charAt(pos - 1) != '\\') {
          tmp.replace(pos, pos + 1, lastReplace);
          pos += lastReplace.length();
        }
        pos++;
      }
      sub = new CharPointer(tmp);
    }

    lastReplace = sub.toString();

    searchHighlight(false);

    if (logger.isDebugEnabled()) {
      logger.debug("search range=[" + start + "," + end + "]");
      logger.debug("pattern=" + pattern + ", replace=" + sub);
    }
    int lastMatch = -1;
    int lastLine = -1;
    int searchcol = 0;
    boolean firstMatch = true;
    boolean got_quit = false;
    int lcount = EditorHelper.getLineCount(editor);
    for (int lnum = line1; lnum <= line2 && !got_quit; ) {
      CharacterPosition newpos = null;
      int nmatch = sp.vim_regexec_multi(regmatch, editor, lcount, lnum, searchcol);
      if (nmatch > 0) {
        if (firstMatch) {
          VimPlugin.getMark().saveJumpLocation(editor);
          firstMatch = false;
        }

        String match = sp.vim_regsub_multi(regmatch, lnum, sub, 1, false);
        // logger.debug("found match[" + spos + "," + epos + "] - replace " + match);

        int line = lnum + regmatch.startpos[0].lnum;
        CharacterPosition startpos =
            new CharacterPosition(lnum + regmatch.startpos[0].lnum, regmatch.startpos[0].col);
        CharacterPosition endpos =
            new CharacterPosition(lnum + regmatch.endpos[0].lnum, regmatch.endpos[0].col);
        int startoff = EditorHelper.characterPositionToOffset(editor, startpos);
        int endoff = EditorHelper.characterPositionToOffset(editor, endpos);
        int newend = startoff + match.length();

        if (do_all || line != lastLine) {
          boolean doReplace = true;
          if (do_ask) {
            // editor.getSelectionModel().setSelection(startoff, endoff);
            RangeHighlighter hl = highlightConfirm(editor, startoff, endoff);
            int choice = getConfirmChoice(match);
            // editor.getSelectionModel().removeSelection();
            editor.getMarkupModel().removeHighlighter(hl);
            switch (choice) {
              case 0: // Yes
                doReplace = true;
                break;
              case 1: // No
                doReplace = false;
                break;
              case 2: // All
                do_ask = false;
                break;
              case JOptionPane.CLOSED_OPTION:
              case 3: // Quit
                doReplace = false;
                got_quit = true;
                break;
              case 4: // Last
                do_all = false;
                line2 = lnum;
                doReplace = true;
                break;
            }
          }

          if (doReplace) {
            editor.getDocument().replaceString(startoff, endoff, match);
            lastMatch = startoff;
            newpos = EditorHelper.offsetToCharacterPosition(editor, newend);

            lnum += newpos.line - endpos.line;
            line2 += newpos.line - endpos.line;
          }
        }

        lastLine = line;

        lnum += nmatch - 1;
        if (do_all && startoff != endoff) {
          if (newpos != null) {
            lnum = newpos.line;
            searchcol = newpos.column;
          } else {
            searchcol = endpos.column;
          }
        } else {
          searchcol = 0;
          lnum++;
        }
      } else {
        lnum++;
        searchcol = 0;
      }
    }

    if (lastMatch != -1) {
      MotionGroup.moveCaret(
          editor,
          VimPlugin.getMotion()
              .moveCaretToLineStartSkipLeading(
                  editor, editor.offsetToLogicalPosition(lastMatch).line));
    } else {
      VimPlugin.showMessage(MessageHelper.message(Msg.e_patnotf2, pattern));
    }

    return res;
  }
Beispiel #5
0
  @Nullable
  private TextRange findIt(
      @NotNull Editor editor,
      int startOffset,
      int count,
      int dir,
      boolean noSmartCase,
      boolean wrap,
      boolean showMessages,
      boolean wholeFile) {
    TextRange res = null;

    if (lastSearch == null || lastSearch.length() == 0) {
      return res;
    }

    /*
    int pflags = RE.REG_MULTILINE;
    if (shouldIgnoreCase(lastSearch, noSmartCase))
    {
        pflags |= RE.REG_ICASE;
    }
    */
    // RE sp;
    RegExp sp;
    RegExp.regmmatch_T regmatch = new RegExp.regmmatch_T();
    regmatch.rmm_ic = shouldIgnoreCase(lastSearch, noSmartCase);
    sp = new RegExp();
    regmatch.regprog = sp.vim_regcomp(lastSearch, 1);
    if (regmatch == null) {
      if (logger.isDebugEnabled()) logger.debug("bad pattern: " + lastSearch);
      return res;
    }

    /*
    int extra_col = 1;
    int startcol = -1;
    boolean found = false;
    boolean match_ok = true;
    LogicalPosition pos = editor.offsetToLogicalPosition(startOffset);
    LogicalPosition endpos = null;
    //REMatch match = null;
    */

    CharacterPosition lpos = EditorHelper.offsetToCharacterPosition(editor, startOffset);
    RegExp.lpos_T pos = new RegExp.lpos_T();
    pos.lnum = lpos.line;
    pos.col = lpos.column;

    int found;
    int lnum; /* no init to shut up Apollo cc */
    // RegExp.regmmatch_T regmatch;
    CharPointer ptr;
    int matchcol;
    int startcol;
    RegExp.lpos_T endpos = new RegExp.lpos_T();
    int loop;
    RegExp.lpos_T start_pos;
    boolean at_first_line;
    int extra_col = 1;
    boolean match_ok;
    long nmatched;
    // int         submatch = 0;
    int first_lnum;

    int lineCount = EditorHelper.getLineCount(editor);
    int startLine = 0;
    int endLine = lineCount;

    do /* loop for count */ {
      start_pos = new RegExp.lpos_T(pos); /* remember start pos for detecting no match */
      found = 0; /* default: not found */
      at_first_line = true; /* default: start in first line */
      if (pos.lnum == -1) /* correct lnum for when starting in line 0 */ {
        pos.lnum = 0;
        pos.col = 0;
        at_first_line = false; /* not in first line now */
      }

      /*
       * Start searching in current line, unless searching backwards and
       * we're in column 0.
       */
      if (dir == -1 && start_pos.col == 0) {
        lnum = pos.lnum - 1;
        at_first_line = false;
      } else {
        lnum = pos.lnum;
      }

      int lcount = EditorHelper.getLineCount(editor);
      for (loop = 0; loop <= 1; ++loop) /* loop twice if 'wrapscan' set */ {
        if (!wholeFile) {
          startLine = lnum;
          endLine = lnum + 1;
        }
        for (; lnum >= startLine && lnum < endLine; lnum += dir, at_first_line = false) {
          /*
           * Look for a match somewhere in the line.
           */
          first_lnum = lnum;
          nmatched = sp.vim_regexec_multi(regmatch, editor, lcount, lnum, 0);
          if (nmatched > 0) {
            /* match may actually be in another line when using \zs */
            lnum += regmatch.startpos[0].lnum;
            ptr = new CharPointer(EditorHelper.getLineBuffer(editor, lnum));
            startcol = regmatch.startpos[0].col;
            endpos = regmatch.endpos[0];

            /*
             * Forward search in the first line: match should be after
             * the start position. If not, continue at the end of the
             * match (this is vi compatible) or on the next char.
             */
            if (dir == 1 && at_first_line) {
              match_ok = true;
              /*
               * When match lands on a NUL the cursor will be put
               * one back afterwards, compare with that position,
               * otherwise "/$" will get stuck on end of line.
               */
              while ((startcol - (startcol == ptr.strlen() ? 1 : 0))
                  < (start_pos.col + extra_col)) {
                if (nmatched > 1) {
                  /* end is in next line, thus no match in
                   * this line */
                  match_ok = false;
                  break;
                }
                matchcol = endpos.col;
                /* for empty match: advance one char */
                if (matchcol == startcol && ptr.charAt(matchcol) != '\u0000') {
                  ++matchcol;
                }
                if (ptr.charAt(matchcol) == '\u0000'
                    || (nmatched = sp.vim_regexec_multi(regmatch, editor, lcount, lnum, matchcol))
                        == 0) {
                  match_ok = false;
                  break;
                }
                startcol = regmatch.startpos[0].col;
                endpos = regmatch.endpos[0];

                /* Need to get the line pointer again, a
                 * multi-line search may have made it invalid. */
                ptr = new CharPointer(EditorHelper.getLineBuffer(editor, lnum));
              }
              if (!match_ok) {
                continue;
              }
            }
            if (dir == -1) {
              /*
               * Now, if there are multiple matches on this line,
               * we have to get the last one. Or the last one before
               * the cursor, if we're on that line.
               * When putting the new cursor at the end, compare
               * relative to the end of the match.
               */
              match_ok = false;
              for (; ; ) {
                if (!at_first_line || (regmatch.startpos[0].col + extra_col <= start_pos.col)) {
                  /* Remember this position, we use it if it's
                   * the last match in the line. */
                  match_ok = true;
                  startcol = regmatch.startpos[0].col;
                  endpos = regmatch.endpos[0];
                } else {
                  break;
                }

                /*
                 * We found a valid match, now check if there is
                 * another one after it.
                 * If vi-compatible searching, continue at the end
                 * of the match, otherwise continue one position
                 * forward.
                 */
                if (nmatched > 1) {
                  break;
                }
                matchcol = endpos.col;
                /* for empty match: advance one char */
                if (matchcol == startcol && ptr.charAt(matchcol) != '\u0000') {
                  ++matchcol;
                }
                if (ptr.charAt(matchcol) == '\u0000'
                    || (nmatched = sp.vim_regexec_multi(regmatch, editor, lcount, lnum, matchcol))
                        == 0) {
                  break;
                }

                /* Need to get the line pointer again, a
                 * multi-line search may have made it invalid. */
                ptr = new CharPointer(EditorHelper.getLineBuffer(editor, lnum));
              }

              /*
               * If there is only a match after the cursor, skip
               * this match.
               */
              if (!match_ok) {
                continue;
              }
            }

            pos.lnum = lnum;
            pos.col = startcol;
            endpos.lnum += first_lnum;
            found = 1;

            /* Set variables used for 'incsearch' highlighting. */
            // search_match_lines = endpos.lnum - (lnum - first_lnum);
            // search_match_endcol = endpos.col;
            break;
          }
          // line_breakcheck();      /* stop if ctrl-C typed */
          // if (got_int)
          //    break;

          if (loop != 0 && lnum == start_pos.lnum) {
            break; /* if second loop, stop where started */
          }
        }
        at_first_line = false;

        /*
         * stop the search if wrapscan isn't set, after an interrupt and
         * after a match
         */
        if (!wrap || found != 0) {
          break;
        }

        /*
         * If 'wrapscan' is set we continue at the other end of the file.
         * If 'shortmess' does not contain 's', we give a message.
         * This message is also remembered in keep_msg for when the screen
         * is redrawn. The keep_msg is cleared whenever another message is
         * written.
         */
        if (dir == -1) /* start second loop at the other end */ {
          lnum = lineCount - 1;
          // if (!shortmess(SHM_SEARCH) && (options & SEARCH_MSG))
          //    give_warning((char_u *)_(top_bot_msg), TRUE);
        } else {
          lnum = 0;
          // if (!shortmess(SHM_SEARCH) && (options & SEARCH_MSG))
          //    give_warning((char_u *)_(bot_top_msg), TRUE);
        }
      }
      // if (got_int || called_emsg || break_loop)
      //    break;
    } while (--count > 0 && found != 0); /* stop after count matches or no match */

    if (found == 0) /* did not find it */ {
      // if ((options & SEARCH_MSG) == SEARCH_MSG)
      if (showMessages) {
        if (wrap) {
          VimPlugin.showMessage(MessageHelper.message(Msg.e_patnotf2, lastSearch));
        } else if (lnum <= 0) {
          VimPlugin.showMessage(MessageHelper.message(Msg.E384, lastSearch));
        } else {
          VimPlugin.showMessage(MessageHelper.message(Msg.E385, lastSearch));
        }
      }
      return null;
    }

    // return new TextRange(editor.logicalPositionToOffset(new LogicalPosition(pos.lnum, pos.col)),
    //    editor.logicalPositionToOffset(new LogicalPosition(endpos.lnum, endpos.col)));
    // return new TextRange(editor.logicalPositionToOffset(new LogicalPosition(pos.lnum, 0)) +
    // pos.col,
    //    editor.logicalPositionToOffset(new LogicalPosition(endpos.lnum, 0)) + endpos.col);
    return new TextRange(
        EditorHelper.characterPositionToOffset(editor, new CharacterPosition(pos.lnum, pos.col)),
        EditorHelper.characterPositionToOffset(
            editor, new CharacterPosition(endpos.lnum, endpos.col)));
  }
Beispiel #6
0
  private int findItOffset(
      @NotNull Editor editor, int startOffset, int count, int dir, boolean noSmartCase) {
    boolean wrap = Options.getInstance().isSet("wrapscan");
    TextRange range = findIt(editor, startOffset, count, dir, noSmartCase, wrap, true, true);
    if (range == null) {
      return -1;
    }

    // highlightMatch(editor, range.getStartOffset(), range.getEndOffset());

    ParsePosition pp = new ParsePosition(0);
    int res = range.getStartOffset();

    if (lastOffset == null) {
      return -1;
    }

    if (lastOffset.length() == 0) {
      return range.getStartOffset();
    } else if (Character.isDigit(lastOffset.charAt(0))
        || lastOffset.charAt(0) == '+'
        || lastOffset.charAt(0) == '-') {
      int lineOffset = 0;
      if (lastOffset.equals("+")) {
        lineOffset = 1;
      } else if (lastOffset.equals("-")) {
        lineOffset = -1;
      } else {
        if (lastOffset.charAt(0) == '+') {
          lastOffset = lastOffset.substring(1);
        }
        NumberFormat nf = NumberFormat.getIntegerInstance();
        pp = new ParsePosition(0);
        Number num = nf.parse(lastOffset, pp);
        if (num != null) {
          lineOffset = num.intValue();
        }
      }

      int line = editor.offsetToLogicalPosition(range.getStartOffset()).line;
      int newLine = EditorHelper.normalizeLine(editor, line + lineOffset);

      res = VimPlugin.getMotion().moveCaretToLineStart(editor, newLine);
    } else if ("ebs".indexOf(lastOffset.charAt(0)) != -1) {
      int charOffset = 0;
      if (lastOffset.length() >= 2) {
        if ("+-".indexOf(lastOffset.charAt(1)) != -1) {
          charOffset = 1;
        }
        NumberFormat nf = NumberFormat.getIntegerInstance();
        pp = new ParsePosition(lastOffset.charAt(1) == '+' ? 2 : 1);
        Number num = nf.parse(lastOffset, pp);
        if (num != null) {
          charOffset = num.intValue();
        }
      }

      int base = range.getStartOffset();
      if (lastOffset.charAt(0) == 'e') {
        base = range.getEndOffset() - 1;
      }

      res = Math.max(0, Math.min(base + charOffset, EditorHelper.getFileSize(editor) - 1));
    }

    int ppos = pp.getIndex();
    if (ppos < lastOffset.length() - 1 && lastOffset.charAt(ppos) == ';') {
      int flags;
      if (lastOffset.charAt(ppos + 1) == '/') {
        flags = Command.FLAG_SEARCH_FWD;
      } else if (lastOffset.charAt(ppos + 1) == '?') {
        flags = Command.FLAG_SEARCH_REV;
      } else {
        return res;
      }

      if (lastOffset.length() - ppos > 2) {
        ppos++;
      }

      res = search(editor, lastOffset.substring(ppos + 1), res, 1, flags);

      return res;
    } else {
      return res;
    }
  }