75 lines
1.8 KiB
C++
75 lines
1.8 KiB
C++
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2012 University of California, Los Angeles
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Zhenkai Zhu <zhenkai@cs.ucla.edu>
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* Chaoyi Bian <bcy@pku.edu.cn>
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* Alexander Afanasyev <alexander.afanasyev@ucla.edu>
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*/
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#include "sync-diff-leaf.h"
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#include <boost/throw_exception.hpp>
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typedef boost::error_info<struct tag_errmsg, std::string> errmsg_info;
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using namespace Sync::Error;
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namespace Sync {
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DiffLeaf::DiffLeaf (NameInfoConstPtr info, const SeqNo &seq)
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: Leaf (info, seq)
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, m_op (UPDATE)
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{
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}
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DiffLeaf::DiffLeaf (NameInfoConstPtr info)
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: Leaf (info, SeqNo (0,0))
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, m_op (REMOVE)
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{
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}
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std::ostream &
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operator << (std::ostream &os, Operation op)
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{
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switch (op)
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{
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case UPDATE:
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os << "update";
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break;
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case REMOVE:
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os << "remove";
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break;
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}
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return os;
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}
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std::istream &
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operator >> (std::istream &is, Operation &op)
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{
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std::string operation;
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is >> operation;
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if (operation == "update")
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op = UPDATE;
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else if (operation == "remove")
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op = REMOVE;
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else
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BOOST_THROW_EXCEPTION (SyncDiffLeafOperationParseError () << errmsg_info (operation));
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return is;
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}
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}
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