Beispiel #1
0
void SVGPolyParser::parsePoints(const DeprecatedString &s) const
{
    if (!s.isEmpty()) {
        DeprecatedString pointData = s;
        pointData = pointData.replace(',', ' ');
        pointData = pointData.simplifyWhiteSpace();
        const char* currSegment = pointData.latin1();
        const char* eoString = pointData.latin1() + pointData.length();
        
        int segmentNum = 0;
        while (currSegment < eoString) {
            const char* prevSegment = currSegment;
            double xPos = 0;
            currSegment = parseCoord(currSegment, xPos); 
            if (currSegment == prevSegment)
                break;
                
            if (*currSegment == ',' || *currSegment == ' ')
                currSegment++;

            prevSegment = currSegment;
            double yPos = 0;
            currSegment = parseCoord(currSegment, yPos);
            if (currSegment == prevSegment)
                break;
                
            svgPolyTo(xPos, yPos, segmentNum++);
            if (*currSegment == ' ')
                currSegment++;
        }
    }
}
String HTMLOptGroupElement::groupLabelText()
{
    DeprecatedString itemText = getAttribute(labelAttr).deprecatedString();
    
    itemText.replace('\\', document()->backslashAsCurrencySymbol());
    // In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior.
    itemText = itemText.stripWhiteSpace();
    // We want to collapse our whitespace too.  This will match other browsers.
    itemText = itemText.simplifyWhiteSpace();
        
    return itemText;
}
void HTMLTextAreaElement::setValue(const String& value)
{
    // Code elsewhere normalizes line endings added by the user via the keyboard or pasting.
    // We must normalize line endings coming from JS.
    DeprecatedString valueWithNormalizedLineEndings = value.deprecatedString();
    valueWithNormalizedLineEndings.replace("\r\n", "\n");
    valueWithNormalizedLineEndings.replace("\r", "\n");
    
    m_value = valueWithNormalizedLineEndings;
    setValueMatchesRenderer();
    if (inDocument())
        document()->updateRendering();
    if (renderer())
        renderer()->updateFromElement();
    
    // Set the caret to the end of the text value.
    if (document()->focusedNode() == this) {
        unsigned endOfString = m_value.length();
        setSelectionRange(endOfString, endOfString);
    }

    setChanged();
}
Beispiel #4
0
String HTMLOptionElement::optionText()
{
    DeprecatedString itemText = text().deprecatedString();
    if (itemText.isEmpty())
        itemText = getAttribute(labelAttr).deprecatedString();
    
    itemText.replace('\\', document()->backslashAsCurrencySymbol());
    // In WinIE, leading and trailing whitespace is ignored in options and optgroups. We match this behavior.
    itemText = itemText.stripWhiteSpace();
    // We want to collapse our whitespace too.  This will match other browsers.
    itemText = itemText.simplifyWhiteSpace();
    if (parentNode() && parentNode()->hasTagName(optgroupTag))
        itemText.prepend("    ");
        
    return itemText;
}
static DeprecatedString RegExpFromGlob(DeprecatedString glob)
{
    DeprecatedString result = glob;

    // escape regexp metacharacters which are NOT glob metacharacters

    result.replace(RegularExpression("\\\\"), "\\\\");
    result.replace(RegularExpression("\\."), "\\.");
    result.replace(RegularExpression("\\+"), "\\+");
    result.replace(RegularExpression("\\$"), "\\$");
    // FIXME: incorrect for ^ inside bracket group
    result.replace(RegularExpression("\\^"), "\\^");

    // translate glob metacharacters into regexp metacharacters
    result.replace(RegularExpression("\\*"), ".*");
    result.replace(RegularExpression("\\?"), ".");
   
    // Require the glob to match the whole string
    result = "^" + result + "$";

    return result;
}
Beispiel #6
0
void
SVGPathParser::parseSVG( const DeprecatedString &s, bool process )
{
    if(!s.isEmpty())
    {
        DeprecatedString d = s;
        d = d.replace(',', ' ');
        d = d.simplifyWhiteSpace();
        const char *ptr = d.latin1();
        const char *end = d.latin1() + d.length() + 1;

        double contrlx, contrly, curx, cury, subpathx, subpathy, tox, toy, x1, y1, x2, y2, xc, yc;
        double px1, py1, px2, py2, px3, py3;
        bool relative, closed = true;
        char command = *(ptr++), lastCommand = ' ';

        subpathx = subpathy = curx = cury = contrlx = contrly = 0.0;
        while( ptr < end )
        {
            if( *ptr == ' ' )
                ptr++;

            relative = false;

            //std::cout << "Command : " << command << std::endl;
            switch( command )
            {
                case 'm':
                    relative = true;
                case 'M':
                {
                    ptr = parseCoord( ptr, tox );
                    ptr = parseCoord( ptr, toy );

                    if( process )
                    {
                        subpathx = curx = relative ? curx + tox : tox;
                        subpathy = cury = relative ? cury + toy : toy;

                        svgMoveTo( curx, cury, closed );
                    }
                    else
                        svgMoveTo( tox, toy, closed, !relative );
                    closed = false;
                    break;
                }
                case 'l':
                    relative = true;
                case 'L':
                {
                    ptr = parseCoord( ptr, tox );
                    ptr = parseCoord( ptr, toy );

                    if( process )
                    {
                        curx = relative ? curx + tox : tox;
                        cury = relative ? cury + toy : toy;

                        svgLineTo( curx, cury );
                    }
                    else
                        svgLineTo( tox, toy, !relative );
                    break;
                }
                case 'h':
                {
                    ptr = parseCoord( ptr, tox );
                    if( process )
                    {
                        curx = curx + tox;
                        svgLineTo( curx, cury );
                    }
                    else
                        svgLineToHorizontal( tox, false );
                    break;
                }
                case 'H':
                {
                    ptr = parseCoord( ptr, tox );
                    if( process )
                    {
                        curx = tox;
                        svgLineTo( curx, cury );
                    }
                    else
                        svgLineToHorizontal( tox );
                    break;
                }
                case 'v':
                {
                    ptr = parseCoord( ptr, toy );
                    if( process )
                    {
                        cury = cury + toy;
                        svgLineTo( curx, cury );
                    }
                    else
                        svgLineToVertical( toy, false );
                    break;
                }
                case 'V':
                {
                    ptr = parseCoord( ptr, toy );
                    if( process )
                    {
                        cury = toy;
                        svgLineTo( curx, cury );
                    }
                    else
                        svgLineToVertical( toy );
                    break;
                }
                case 'z':
                case 'Z':
                {
                    // reset curx, cury for next path
                    if( process )
                    {
                        curx = subpathx;
                        cury = subpathy;
                    }
                    closed = true;
                    svgClosePath();
                    break;
                }
                case 'c':
                    relative = true;
                case 'C':
                {
                    ptr = parseCoord( ptr, x1 );
                    ptr = parseCoord( ptr, y1 );
                    ptr = parseCoord( ptr, x2 );
                    ptr = parseCoord( ptr, y2 );
                    ptr = parseCoord( ptr, tox );
                    ptr = parseCoord( ptr, toy );

                    if( process )
                    {
                        px1 = relative ? curx + x1 : x1;
                        py1 = relative ? cury + y1 : y1;
                        px2 = relative ? curx + x2 : x2;
                        py2 = relative ? cury + y2 : y2;
                        px3 = relative ? curx + tox : tox;
                        py3 = relative ? cury + toy : toy;

                        svgCurveToCubic( px1, py1, px2, py2, px3, py3 );

                        contrlx = relative ? curx + x2 : x2;
                        contrly = relative ? cury + y2 : y2;
                        curx = relative ? curx + tox : tox;
                        cury = relative ? cury + toy : toy;
                    }
                    else
                        svgCurveToCubic( x1, y1, x2, y2, tox, toy, !relative );

                    break;
                }
                case 's':
                    relative = true;
                case 'S':
                {
                    ptr = parseCoord( ptr, x2 );
                    ptr = parseCoord( ptr, y2 );
                    ptr = parseCoord( ptr, tox );
                    ptr = parseCoord( ptr, toy );
                    if(!(lastCommand == 'c' || lastCommand == 'C' ||
                         lastCommand == 's' || lastCommand == 'S')) {
                        contrlx = curx;
                        contrly = cury;
                    }

                    if( process )
                    {
                        px1 = 2 * curx - contrlx;
                        py1 = 2 * cury - contrly;
                        px2 = relative ? curx + x2 : x2;
                        py2 = relative ? cury + y2 : y2;
                        px3 = relative ? curx + tox : tox;
                        py3 = relative ? cury + toy : toy;

                        svgCurveToCubic( px1, py1, px2, py2, px3, py3 );

                        contrlx = relative ? curx + x2 : x2;
                        contrly = relative ? cury + y2 : y2;
                        curx = relative ? curx + tox : tox;
                        cury = relative ? cury + toy : toy;
                    }
                    else
                        svgCurveToCubicSmooth( x2, y2, tox, toy, !relative );
                    break;
                }
                case 'q':
                    relative = true;
                case 'Q':
                {
                    ptr = parseCoord( ptr, x1 );
                    ptr = parseCoord( ptr, y1 );
                    ptr = parseCoord( ptr, tox );
                    ptr = parseCoord( ptr, toy );

                    if( process )
                    {
                        px1 = relative ? (curx + 2 * (x1 + curx)) * (1.0 / 3.0) : (curx + 2 * x1) * (1.0 / 3.0);
                        py1 = relative ? (cury + 2 * (y1 + cury)) * (1.0 / 3.0) : (cury + 2 * y1) * (1.0 / 3.0);
                        px2 = relative ? ((curx + tox) + 2 * (x1 + curx)) * (1.0 / 3.0) : (tox + 2 * x1) * (1.0 / 3.0);
                        py2 = relative ? ((cury + toy) + 2 * (y1 + cury)) * (1.0 / 3.0) : (toy + 2 * y1) * (1.0 / 3.0);
                        px3 = relative ? curx + tox : tox;
                        py3 = relative ? cury + toy : toy;

                        svgCurveToCubic( px1, py1, px2, py2, px3, py3 );

                        contrlx = relative ? curx + x1 : x1;
                        contrly = relative ? cury + y1 : y1;
                        curx = relative ? curx + tox : tox;
                        cury = relative ? cury + toy : toy;
                    }
                    else
                        svgCurveToQuadratic( x1, y1, tox, toy, !relative );
                    break;
                }
                case 't':
                    relative = true;
                case 'T':
                {
                    ptr = parseCoord(ptr, tox);
                    ptr = parseCoord(ptr, toy);
                    if(!(lastCommand == 'q' || lastCommand == 'Q' ||
                         lastCommand == 't' || lastCommand == 'T')) {
                        contrlx = curx;
                        contrly = cury;
                    }

                    if( process )
                    {
                        xc = 2 * curx - contrlx;
                        yc = 2 * cury - contrly;

                        px1 = relative ? (curx + 2 * xc) * (1.0 / 3.0) : (curx + 2 * xc) * (1.0 / 3.0);
                        py1 = relative ? (cury + 2 * yc) * (1.0 / 3.0) : (cury + 2 * yc) * (1.0 / 3.0);
                        px2 = relative ? ((curx + tox) + 2 * xc) * (1.0 / 3.0) : (tox + 2 * xc) * (1.0 / 3.0);
                        py2 = relative ? ((cury + toy) + 2 * yc) * (1.0 / 3.0) : (toy + 2 * yc) * (1.0 / 3.0);
                        px3 = relative ? curx + tox : tox;
                        py3 = relative ? cury + toy : toy;

                        svgCurveToCubic( px1, py1, px2, py2, px3, py3 );

                        contrlx = xc;
                        contrly = yc;
                        curx = relative ? curx + tox : tox;
                        cury = relative ? cury + toy : toy;
                    }
                    else
                        svgCurveToQuadraticSmooth( tox, toy, !relative );
                    break;
                }
                case 'a':
                    relative = true;
                case 'A':
                {
                    bool largeArc, sweep;
                    double angle, rx, ry;
                    ptr = parseCoord( ptr, rx );
                    ptr = parseCoord( ptr, ry );
                    ptr = parseCoord( ptr, angle );
                    ptr = parseCoord( ptr, tox );
                    largeArc = tox == 1;
                    ptr = parseCoord( ptr, tox );
                    sweep = tox == 1;
                    ptr = parseCoord( ptr, tox );
                    ptr = parseCoord( ptr, toy );

                    // Spec: radii are nonnegative numbers
                    rx = fabs(rx);
                    ry = fabs(ry);

                    if( process )
                        calculateArc( relative, curx, cury, angle, tox, toy, rx, ry, largeArc, sweep );
                    else
                        svgArcTo( tox, toy, rx, ry, angle, largeArc, sweep, !relative );
                    break;
                }
                default:
                    // FIXME: An error should go to the JavaScript console, or the like.
                    return;
            }
            lastCommand = command;

            if(*ptr == '+' || *ptr == '-' || (*ptr >= '0' && *ptr <= '9'))
            {
                // there are still coords in this command
                if(command == 'M')
                    command = 'L';
                else if(command == 'm')
                    command = 'l';
            }
            else
                command = *(ptr++);

            if( lastCommand != 'C' && lastCommand != 'c' &&
                lastCommand != 'S' && lastCommand != 's' &&
                lastCommand != 'Q' && lastCommand != 'q' &&
                lastCommand != 'T' && lastCommand != 't' ) 
            {
                contrlx = curx;
                contrly = cury;
            }
        }
    }
}
Beispiel #7
0
bool HTMLFormElement::formData(FormData &form_data) const
{
    DeprecatedCString enc_string = ""; // used for non-multipart data

    DeprecatedString str = m_acceptcharset.deprecatedString();
    str.replace(',', ' ');
    DeprecatedStringList charsets = DeprecatedStringList::split(' ', str);
    TextEncoding encoding(InvalidEncoding);
    Frame *frame = document()->frame();
    for (DeprecatedStringList::Iterator it = charsets.begin(); it != charsets.end(); ++it) {
        if ((encoding = TextEncoding((*it).latin1())).isValid())
            break;
    }

    if (!encoding.isValid()) {
        if (frame)
            encoding = TextEncoding(frame->encoding().latin1());
        else
            encoding = TextEncoding(Latin1Encoding);
    }

    for (unsigned i = 0; i < formElements.size(); ++i) {
        HTMLGenericFormElement* current = formElements[i];
        FormDataList lst(encoding);

        if (!current->disabled() && current->appendFormData(lst, m_multipart)) {
            for (DeprecatedValueListConstIterator<FormDataListItem> it = lst.begin(); it != lst.end(); ++it) {
                if (!m_multipart) {
                    // handle ISINDEX / <input name=isindex> special
                    // but only if its the first entry
                    if ( enc_string.isEmpty() && (*it).m_data == "isindex" ) {
                        ++it;
                        enc_string += encodeCString( (*it).m_data );
                    }
                    else {
                        if(!enc_string.isEmpty())
                            enc_string += '&';

                        enc_string += encodeCString((*it).m_data);
                        enc_string += "=";
                        ++it;
                        enc_string += encodeCString((*it).m_data);
                    }
                }
                else
                {
                    DeprecatedCString hstr("--");
                    hstr += m_boundary.deprecatedString().latin1();
                    hstr += "\r\n";
                    hstr += "Content-Disposition: form-data; name=\"";
                    hstr += (*it).m_data.data();
                    hstr += "\"";

                    // if the current type is FILE, then we also need to
                    // include the filename
                    if (current->hasLocalName(inputTag) &&
                        static_cast<HTMLInputElement*>(current)->inputType() == HTMLInputElement::FILE) {
                        DeprecatedString path = static_cast<HTMLInputElement*>(current)->value().deprecatedString();

                        // FIXME: This won't work if the filename includes a " mark,
                        // or control characters like CR or LF. This also does strange
                        // things if the filename includes characters you can't encode
                        // in the website's character set.
                        hstr += "; filename=\"";
                        hstr += encoding.fromUnicode(path.mid(path.findRev('/') + 1), true);
                        hstr += "\"";

                        if (!static_cast<HTMLInputElement*>(current)->value().isEmpty()) {
                            DeprecatedString mimeType = frame ? frame->mimeTypeForFileName(path).deprecatedString() : DeprecatedString();
                            if (!mimeType.isEmpty()) {
                                hstr += "\r\nContent-Type: ";
                                hstr += mimeType.ascii();
                            }
                        }
                    }

                    hstr += "\r\n\r\n";
                    ++it;

                    // append body
                    form_data.appendData(hstr.data(), hstr.length());
                    const FormDataListItem &item = *it;
                    size_t dataSize = item.m_data.size();
                    if (dataSize != 0)
                        form_data.appendData(item.m_data, dataSize - 1);
                    else if (!item.m_path.isEmpty())
                        form_data.appendFile(item.m_path);
                    form_data.appendData("\r\n", 2);
                }
            }
        }
    }


    if (m_multipart)
        enc_string = ("--" + m_boundary.deprecatedString() + "--\r\n").ascii();

    form_data.appendData(enc_string.data(), enc_string.length());
    return true;
}
DeprecatedCString StreamingTextDecoderICU::fromUnicode(const DeprecatedString &qcs, bool allowEntities)
{
    TextEncodingID encoding = m_encoding.effectiveEncoding().encodingID();

    if (encoding == WinLatin1Encoding && qcs.isAllLatin1())
        return qcs.latin1();

    if ((encoding == WinLatin1Encoding || encoding == UTF8Encoding || encoding == ASCIIEncoding) 
        && qcs.isAllASCII())
        return qcs.ascii();

    // FIXME: We should see if there is "force ASCII range" mode in ICU;
    // until then, we change the backslash into a yen sign.
    // Encoding will change the yen sign back into a backslash.
    DeprecatedString copy = qcs;
    copy.replace('\\', m_encoding.backslashAsCurrencySymbol());

    if (!m_converterICU)
        createICUConverter();
    if (!m_converterICU)
        return DeprecatedCString();

    // FIXME: when DeprecatedString buffer is latin1, it would be nice to
    // convert from that w/o having to allocate a unicode buffer

    char buffer[ConversionBufferSize];
    const UChar* source = reinterpret_cast<const UChar*>(copy.unicode());
    const UChar* sourceLimit = source + copy.length();

    UErrorCode err = U_ZERO_ERROR;
    DeprecatedString normalizedString;
    if (UNORM_YES != unorm_quickCheck(source, copy.length(), UNORM_NFC, &err)) {
        normalizedString.truncate(copy.length()); // normalization to NFC rarely increases the length, so this first attempt will usually succeed
        
        int32_t normalizedLength = unorm_normalize(source, copy.length(), UNORM_NFC, 0, reinterpret_cast<UChar*>(const_cast<DeprecatedChar*>(normalizedString.unicode())), copy.length(), &err);
        if (err == U_BUFFER_OVERFLOW_ERROR) {
            err = U_ZERO_ERROR;
            normalizedString.truncate(normalizedLength);
            normalizedLength = unorm_normalize(source, copy.length(), UNORM_NFC, 0, reinterpret_cast<UChar*>(const_cast<DeprecatedChar*>(normalizedString.unicode())), normalizedLength, &err);
        }
        
        source = reinterpret_cast<const UChar*>(normalizedString.unicode());
        sourceLimit = source + normalizedLength;
    }

    DeprecatedCString result(1); // for trailing zero

    if (allowEntities)
        ucnv_setFromUCallBack(m_converterICU, UCNV_FROM_U_CALLBACK_ESCAPE, UCNV_ESCAPE_XML_DEC, 0, 0, &err);
    else {
        ucnv_setSubstChars(m_converterICU, "?", 1, &err);
        ucnv_setFromUCallBack(m_converterICU, UCNV_FROM_U_CALLBACK_SUBSTITUTE, 0, 0, 0, &err);
    }

    ASSERT(U_SUCCESS(err));
    if (U_FAILURE(err))
        return DeprecatedCString();

    do {
        char* target = buffer;
        char* targetLimit = target + ConversionBufferSize;
        err = U_ZERO_ERROR;
        ucnv_fromUnicode(m_converterICU, &target, targetLimit, &source, sourceLimit, 0, true,  &err);
        int count = target - buffer;
        buffer[count] = 0;
        result.append(buffer);
    } while (err == U_BUFFER_OVERFLOW_ERROR);

    return result;
}
Beispiel #9
0
void DeprecatedRenderSelect::updateFromElement()
{
    m_ignoreSelectEvents = true;

    // change widget type
    bool oldMultiple = m_multiple;
    m_multiple = static_cast<HTMLSelectElement*>(node())->multiple();

    if (oldMultiple != m_multiple) {
        static_cast<ListBox*>(m_widget)->setSelectionMode(m_multiple ? ListBox::Extended : ListBox::Single);
        m_selectionChanged = true;
        m_optionsChanged = true;
    }

    // update contents listbox/combobox based on options in m_element
    if (m_optionsChanged) {
        static_cast<HTMLSelectElement*>(node())->recalcListItems();
        const Vector<HTMLElement*>& listItems = static_cast<HTMLSelectElement*>(node())->listItems();
        int listIndex;

        static_cast<ListBox*>(m_widget)->clear();
        
        bool groupEnabled = true;
        for (listIndex = 0; listIndex < int(listItems.size()); listIndex++) {
            if (listItems[listIndex]->hasTagName(optgroupTag)) {
                HTMLOptGroupElement* optgroupElement = static_cast<HTMLOptGroupElement*>(listItems[listIndex]);
                DeprecatedString label = optgroupElement->getAttribute(labelAttr).deprecatedString();
                label.replace('\\', backslashAsCurrencySymbol());
                
                // In WinIE, an optgroup can't start or end with whitespace (other than the indent
                // we give it).  We match this behavior.
                label = label.stripWhiteSpace();
                // We want to collapse our whitespace too.  This will match other browsers.
                label = label.simplifyWhiteSpace();

                groupEnabled = optgroupElement->isEnabled();
                
                static_cast<ListBox*>(m_widget)->appendGroupLabel(label, groupEnabled);

            } else if (listItems[listIndex]->hasTagName(optionTag)) {
                HTMLOptionElement* optionElement = static_cast<HTMLOptionElement*>(listItems[listIndex]);
                DeprecatedString itemText = optionElement->text().deprecatedString();
                if (itemText.isEmpty())
                    itemText = optionElement->getAttribute(labelAttr).deprecatedString();
                
                itemText.replace('\\', backslashAsCurrencySymbol());

                // In WinIE, leading and trailing whitespace is ignored in options. We match this behavior.
                itemText = itemText.stripWhiteSpace();
                // We want to collapse our whitespace too.  This will match other browsers.
                itemText = itemText.simplifyWhiteSpace();
                
                if (listItems[listIndex]->parentNode()->hasTagName(optgroupTag))
                    itemText.prepend("    ");

                static_cast<ListBox*>(m_widget)->appendItem(itemText, groupEnabled && optionElement->isEnabled());
            } else
                ASSERT(false);
            m_selectionChanged = true;
        }
        static_cast<ListBox*>(m_widget)->doneAppendingItems();
        setNeedsLayoutAndMinMaxRecalc();
        m_optionsChanged = false;
    }

    // update selection
    if (m_selectionChanged)
        updateSelection();

    m_ignoreSelectEvents = false;

    RenderFormElement::updateFromElement();
}
Beispiel #10
0
void SelectionController::debugRenderer(RenderObject *r, bool selected) const
{
    if (r->node()->isElementNode()) {
        Element *element = static_cast<Element *>(r->node());
        fprintf(stderr, "%s%s\n", selected ? "==> " : "    ", element->localName().deprecatedString().latin1());
    }
    else if (r->isText()) {
        RenderText *textRenderer = static_cast<RenderText *>(r);
        if (textRenderer->stringLength() == 0 || !textRenderer->firstTextBox()) {
            fprintf(stderr, "%s#text (empty)\n", selected ? "==> " : "    ");
            return;
        }
        
        static const int max = 36;
        DeprecatedString text = String(textRenderer->string()).deprecatedString();
        int textLength = text.length();
        if (selected) {
            int offset = 0;
            if (r->node() == m_sel.start().node())
                offset = m_sel.start().offset();
            else if (r->node() == m_sel.end().node())
                offset = m_sel.end().offset();
                
            int pos;
            InlineTextBox *box = textRenderer->findNextInlineTextBox(offset, pos);
            text = text.mid(box->m_start, box->m_len);
            
            DeprecatedString show;
            int mid = max / 2;
            int caret = 0;
            
            // text is shorter than max
            if (textLength < max) {
                show = text;
                caret = pos;
            }
            
            // too few characters to left
            else if (pos - mid < 0) {
                show = text.left(max - 3) + "...";
                caret = pos;
            }
            
            // enough characters on each side
            else if (pos - mid >= 0 && pos + mid <= textLength) {
                show = "..." + text.mid(pos - mid + 3, max - 6) + "...";
                caret = mid;
            }
            
            // too few characters on right
            else {
                show = "..." + text.right(max - 3);
                caret = pos - (textLength - show.length());
            }
            
            show.replace('\n', ' ');
            show.replace('\r', ' ');
            fprintf(stderr, "==> #text : \"%s\" at offset %d\n", show.latin1(), pos);
            fprintf(stderr, "           ");
            for (int i = 0; i < caret; i++)
                fprintf(stderr, " ");
            fprintf(stderr, "^\n");
        }
        else {
            if ((int)text.length() > max)
                text = text.left(max - 3) + "...";
            else
                text = text.left(max);
            fprintf(stderr, "    #text : \"%s\"\n", text.latin1());
        }
    }
}