private void writeTextCollapseWhiteSpace(final int end, final int depth) throws IOException {
// sets index to end
// assert index < end
boolean lastWasWhiteSpace = false;
updateNextTag();
while (index < end) {
while (nextTag != null && index == nextTag.begin) {
if (lastWasWhiteSpace) {
writer.write(' ');
lastWasWhiteSpace = false;
}
writeTag(nextTag, depth, end);
if (index == end) return;
}
final char ch = sourceText.charAt(index++);
if (Segment.isWhiteSpace(ch)) {
lastWasWhiteSpace = true;
} else {
if (lastWasWhiteSpace) {
writer.write(' ');
lastWasWhiteSpace = false;
}
writer.write(ch);
}
}
if (lastWasWhiteSpace) writer.write(' ');
}
private void writeText(final int end, int depth) throws IOException {
// sets index to end
if (index == end) return;
while (Segment.isWhiteSpace(sourceText.charAt(index)))
if (++index == end) return; // trim whitespace.
writeIndent(depth);
if (collapseWhiteSpace) {
writeTextCollapseWhiteSpace(end, depth);
} else {
writeTextInline(end, depth, false);
}
writeFormattingNewLine();
}
private void writeSpecifiedTextInline(final CharSequence text, int depth) throws IOException {
final int textLength = text.length();
int i = writeSpecifiedLine(text, 0);
if (i < textLength) {
final int subsequentLineDepth = depth + 1;
do {
while (Segment.isWhiteSpace(text.charAt(i)))
if (++i >= textLength) return; // trim whitespace.
writeEssentialNewLine();
writeIndent(subsequentLineDepth);
i = writeSpecifiedLine(text, i);
} while (i < textLength);
}
}
private boolean writeTextInline(
final int end, int depth, final boolean increaseIndentAfterFirstLineBreak)
throws IOException {
// returns true if all text was on one line, otherwise false
// sets index to end
// assert index < end
writeLineKeepWhiteSpace(end, depth);
if (index == end) return true;
final int subsequentLineDepth = increaseIndentAfterFirstLineBreak ? depth + 1 : depth;
do {
while (Segment.isWhiteSpace(sourceText.charAt(index)))
if (++index == end) return false; // trim whitespace.
writeEssentialNewLine(); // essential because we might be inside a tag attribute value. If
// new lines in normal text aren't required this method wouldn't
// have been called.
writeIndent(subsequentLineDepth);
writeLineKeepWhiteSpace(end, subsequentLineDepth);
} while (index < end);
return false;
}