void LineBreaker::skipLeadingWhitespace(InlineBidiResolver& resolver, LineInfo& lineInfo, LineWidth& width)
{
while (!resolver.position().atEnd() && !requiresLineBox(resolver.position(), lineInfo, LeadingWhitespace)) {
LineLayoutItem lineLayoutItem = resolver.position().getLineLayoutItem();
if (lineLayoutItem.isOutOfFlowPositioned()) {
setStaticPositions(m_block, LineLayoutBox(lineLayoutItem), width.indentText());
if (lineLayoutItem.style()->isOriginalDisplayInlineType()) {
resolver.runs().addRun(createRun(0, 1, LineLayoutItem(lineLayoutItem), resolver));
lineInfo.incrementRunsFromLeadingWhitespace();
}
} else if (lineLayoutItem.isFloating()) {
m_block.insertFloatingObject(LineLayoutBox(lineLayoutItem));
m_block.positionNewFloats(&width);
}
resolver.position().increment(&resolver);
}
resolver.commitExplicitEmbedding(resolver.runs());
}
void TrailingObjects::updateMidpointsForTrailingObjects(LineMidpointState& lineMidpointState, const InlineIterator& lBreak, CollapseFirstSpaceOrNot collapseFirstSpace)
{
if (!m_whitespace)
return;
// This object is either going to be part of the last midpoint, or it is going to be the actual endpoint.
// In both cases we just decrease our pos by 1 level to exclude the space, allowing it to - in effect - collapse into the newline.
if (lineMidpointState.numMidpoints() % 2) {
// Find the trailing space object's midpoint.
int trailingSpaceMidpoint = lineMidpointState.numMidpoints() - 1;
for ( ; trailingSpaceMidpoint > 0 && lineMidpointState.midpoints()[trailingSpaceMidpoint].object() != m_whitespace; --trailingSpaceMidpoint) { }
ASSERT(trailingSpaceMidpoint >= 0);
if (collapseFirstSpace == CollapseFirstSpace)
lineMidpointState.midpoints()[trailingSpaceMidpoint].setOffset(lineMidpointState.midpoints()[trailingSpaceMidpoint].offset() -1);
// Now make sure every single trailingPositionedBox following the trailingSpaceMidpoint properly stops and starts
// ignoring spaces.
size_t currentMidpoint = trailingSpaceMidpoint + 1;
for (size_t i = 0; i < m_objects.size(); ++i) {
if (currentMidpoint >= lineMidpointState.numMidpoints()) {
// We don't have a midpoint for this box yet.
ensureLineBoxInsideIgnoredSpaces(&lineMidpointState, LineLayoutItem(m_objects[i]));
} else {
ASSERT(lineMidpointState.midpoints()[currentMidpoint].object() == m_objects[i]);
ASSERT(lineMidpointState.midpoints()[currentMidpoint + 1].object() == m_objects[i]);
}
currentMidpoint += 2;
}
} else if (!lBreak.object()) {
ASSERT(collapseFirstSpace == CollapseFirstSpace);
// Add a new end midpoint that stops right at the very end.
unsigned length = m_whitespace.textLength();
unsigned pos = length >= 2 ? length - 2 : UINT_MAX;
InlineIterator endMid(0, m_whitespace, pos);
lineMidpointState.startIgnoringSpaces(endMid);
for (size_t i = 0; i < m_objects.size(); ++i) {
ensureLineBoxInsideIgnoredSpaces(&lineMidpointState, m_objects[i]);
}
}
}
InlineTextBox* LayoutSVGInlineText::createTextBox(int start, unsigned short length)
{
InlineTextBox* box = new SVGInlineTextBox(LineLayoutItem(this), start, length);
box->setHasVirtualLogicalHeight();
return box;
}
InlineFlowBox* LayoutSVGInline::createInlineFlowBox() {
InlineFlowBox* box = new SVGInlineFlowBox(LineLayoutItem(this));
box->setHasVirtualLogicalHeight();
return box;
}
