Method save_relative

lib_acl_cpp/src/smtp/mail_body.cpp:169–211

}

bool mail_body::save_relative(const char* html, size_t hlen,
	const char* plain, size_t plen,
	const std::vector<mail_attach*>& attachments,
	string& out) const
{
	if (!html || !hlen || !plain || !plen || attachments.empty()) {
		logger_error("invalid input!");
		return false;
	}

	mail_message::create_boundary("0002",
		const_cast<mail_body*>(this)->boundary_);
	string ctype;
	ctype.format("multipart/relative;\r\n"
		"\ttype=\"multipart/alternative\";\r\n"
		"\tboundary=\"%s\"", boundary_.c_str());
	const_cast<mail_body*>(this)->set_content_type(ctype);

	out.format_append("Content-Type: %s\r\n\r\n", content_type_.c_str());
	out.append("\r\n");
	out.format_append("--%s\r\n", boundary_.c_str());

	// �ݹ�һ�㣬�������� alternative ��ʽ����
	mail_body body(charset_.c_str(), transfer_encoding_.c_str());
	bool ret = body.save_alternative(html, hlen, plain, plen, out);
	if (ret == false) {
		return ret;
	}

	out.append("\r\n");

	std::vector<mail_attach*>::const_iterator cit;
	for (cit = attachments.begin(); cit != attachments.end(); ++cit) {
		out.format_append("--%s\r\n", boundary_.c_str());
		if (!(*cit)->save_to(coder_, out)) {
			return false;
		}
		out.append("\r\n");
	}

	out.format_append("\r\n--%s--\r\n", boundary_.c_str());
	return true;
}

bool mail_body::save_alternative(const char* html, size_t hlen,
	const char* plain, size_t plen, string& out) const