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());
}
}
}
