Method writeBlock

Telegram/SourceFiles/export/output/export_output_html.cpp:998–1013

}

Result HtmlWriter::Wrap::writeBlock(const QByteArray &block) {
	Expects(!_closed);

	const auto result = [&] {
		if (block.isEmpty()) {
			return _file.writeBlock(block);
		} else if (_file.empty()) {
			return _file.writeBlock(_composedStart + block);
		}
		return _file.writeBlock(block);
	}();
	if (!result) {
		_closed = true;
	}
	return result;
}

QByteArray HtmlWriter::Wrap::pushHeader(
		const QByteArray &header,