| /* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */ |
| /* |
| * Copyright (c) 2011 University of California, Los Angeles |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation; |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu> |
| */ |
| |
| #include "attr.h" |
| #include "../common.h" |
| |
| NDN_NAMESPACE_BEGIN |
| |
| namespace wire { |
| namespace CcnbParser { |
| |
| // length length in octets of UTF-8 encoding of tag name - 1 (minimum tag name length is 1) |
| Attr::Attr (Buffer::Iterator &start, uint32_t length) |
| { |
| m_attr.reserve (length+2); // extra byte for potential \0 at the end |
| uint32_t i = 0; |
| for (; !start.IsEnd () && i < (length+1); i++) |
| { |
| m_attr.push_back (start.ReadU8 ()); |
| } |
| if (i < (length+1) && start.IsEnd ()) |
| throw CcnbDecodingException (); |
| m_value = DynamicCast<Udata> (Block::ParseBlock (start)); |
| if (m_value == 0) |
| throw CcnbDecodingException (); // "ATTR must be followed by UDATA field" |
| } |
| |
| } // namespace CcnbParser |
| } // namespace wire |
| |
| NDN_NAMESPACE_END |