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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2014 Adam Crume <adamcrume@gmail.com>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "ImageNameMap.hpp"
using namespace std;
using namespace rbd_replay;
bool ImageNameMap::parse_mapping(string mapping_string, Mapping *mapping) const {
string fields[2];
int field = 0;
for (size_t i = 0, n = mapping_string.length(); i < n; i++) {
char c = mapping_string[i];
switch (c) {
case '\\':
if (i != n - 1 && mapping_string[i + 1] == '=') {
i++;
fields[field].push_back('=');
} else {
fields[field].push_back('\\');
}
break;
case '=':
if (field == 1) {
return false;
}
field = 1;
break;
default:
fields[field].push_back(c);
}
}
if (field == 0) {
return false;
}
if (!mapping->first.parse(fields[0])) {
return false;
}
if (!mapping->second.parse(fields[1])) {
return false;
}
return true;
}
void ImageNameMap::add_mapping(const Mapping& mapping) {
m_map.insert(mapping);
}
rbd_loc ImageNameMap::map(const rbd_loc& name) const {
std::map<rbd_loc, rbd_loc>::const_iterator p(m_map.find(name));
if (p == m_map.end()) {
return name;
} else {
return p->second;
}
}
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