InlineIterator LineBreaker::nextSegmentBreak(InlineBidiResolver& resolver, LineInfo& lineInfo, RenderTextInfo& renderTextInfo, FloatingObject* lastFloatFromPreviousLine, unsigned consecutiveHyphenatedLines, WordMeasurements& wordMeasurements)
{
reset();
ASSERT(resolver.position().root() == &m_block);
bool appliedStartWidth = resolver.position().offset();
LineWidth width(m_block, lineInfo.isFirstLine(), requiresIndent(lineInfo.isFirstLine(), lineInfo.previousLineBrokeCleanly(), m_block.style()));
skipLeadingWhitespace(resolver, lineInfo, lastFloatFromPreviousLine, width);
if (resolver.position().atEnd())
return resolver.position();
BreakingContext context(*this, resolver, lineInfo, width, renderTextInfo, lastFloatFromPreviousLine, appliedStartWidth, m_block);
while (context.currentObject()) {
context.initializeForCurrentObject();
if (context.currentObject()->isBR()) {
context.handleBR(m_clear);
} else if (context.currentObject()->isOutOfFlowPositioned()) {
context.handleOutOfFlowPositioned(m_positionedObjects);
} else if (context.currentObject()->isFloating()) {
context.handleFloat();
} else if (context.currentObject()->isRenderInline()) {
context.handleEmptyInline();
} else if (context.currentObject()->isReplaced()) {
context.handleReplaced();
} else if (context.currentObject()->isText()) {
if (context.handleText(wordMeasurements, m_hyphenated, consecutiveHyphenatedLines)) {
// We've hit a hard text line break. Our line break iterator is updated, so go ahead and early return.
return context.lineBreak();
}
} else if (context.currentObject()->isLineBreakOpportunity())
context.commitLineBreakAtCurrentWidth(*context.currentObject());
else
ASSERT_NOT_REACHED();
if (context.atEnd())
return context.handleEndOfLine();
context.commitAndUpdateLineBreakIfNeeded();
if (context.atEnd())
return context.handleEndOfLine();
context.increment();
}
context.clearLineBreakIfFitsOnLine(true);
return context.handleEndOfLine();
}
InlineIterator LineBreaker::nextLineBreak(InlineBidiResolver& resolver, LineInfo& lineInfo,
LayoutTextInfo& layoutTextInfo, WordMeasurements& wordMeasurements)
{
reset();
ASSERT(resolver.position().root() == m_block);
bool appliedStartWidth = resolver.position().offset() > 0;
LineWidth width(m_block, lineInfo.isFirstLine(), requiresIndent(lineInfo.isFirstLine(), lineInfo.previousLineBrokeCleanly(), m_block.styleRef()));
skipLeadingWhitespace(resolver, lineInfo, width);
if (resolver.position().atEnd())
return resolver.position();
BreakingContext context(resolver, lineInfo, width, layoutTextInfo, appliedStartWidth, m_block);
while (context.currentItem()) {
context.initializeForCurrentObject();
if (context.currentItem().isBR()) {
context.handleBR(m_clear);
} else if (context.currentItem().isOutOfFlowPositioned()) {
context.handleOutOfFlowPositioned(m_positionedObjects);
} else if (context.currentItem().isFloating()) {
context.handleFloat();
} else if (context.currentItem().isLayoutInline()) {
context.handleEmptyInline();
} else if (context.currentItem().isAtomicInlineLevel()) {
context.handleReplaced();
} else if (context.currentItem().isText()) {
if (context.handleText(wordMeasurements, m_hyphenated)) {
// We've hit a hard text line break. Our line break iterator is updated, so go ahead and early return.
return context.lineBreak();
}
} else {
ASSERT_NOT_REACHED();
}
if (context.atEnd())
return context.handleEndOfLine();
context.commitAndUpdateLineBreakIfNeeded();
if (context.atEnd())
return context.handleEndOfLine();
context.increment();
}
context.clearLineBreakIfFitsOnLine();
return context.handleEndOfLine();
}