Ejemplo n.º 1
0
    private LineElement getLineElement(int offset, TextSearchMatchAccess matchRequestor) {
      int lineNumber = 1;
      int lineStart = 0;
      if (!fCachedMatches.isEmpty()) {
        // match on same line as last?
        FileMatch last = (FileMatch) fCachedMatches.get(fCachedMatches.size() - 1);
        LineElement lineElement = last.getLineElement();
        if (lineElement.contains(offset)) {
          return lineElement;
        }
        // start with the offset and line information from the last match
        lineStart = lineElement.getOffset() + lineElement.getLength();
        lineNumber = lineElement.getLine() + 1;
      }
      if (offset < lineStart) {
        return null; // offset before the last line
      }

      int i = lineStart;
      int contentLength = matchRequestor.getFileContentLength();
      while (i < contentLength) {
        char ch = matchRequestor.getFileContentChar(i++);
        if (ch == '\n' || ch == '\r') {
          if (ch == '\r' && i < contentLength && matchRequestor.getFileContentChar(i) == '\n') {
            i++;
          }
          if (offset < i) {
            String lineContent =
                getContents(matchRequestor, lineStart, i); // include line delimiter
            return new LineElement(matchRequestor.getFile(), lineNumber, lineStart, lineContent);
          }
          lineNumber++;
          lineStart = i;
        }
      }
      if (offset < i) {
        String lineContent = getContents(matchRequestor, lineStart, i); // until end of file
        return new LineElement(matchRequestor.getFile(), lineNumber, lineStart, lineContent);
      }
      return null; // offset outside of range
    }
Ejemplo n.º 2
0
 private static String getContents(TextSearchMatchAccess matchRequestor, int start, int end) {
   StringBuffer buf = new StringBuffer();
   for (int i = start; i < end; i++) {
     char ch = matchRequestor.getFileContentChar(i);
     if (Character.isWhitespace(ch) || Character.isISOControl(ch)) {
       buf.append(' ');
     } else {
       buf.append(ch);
     }
   }
   return buf.toString();
 }