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// namespace.h
/**
* Copyright (C) 2008 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "mongo/pch.h"
#include <cstring>
#include <string>
namespace mongo {
#pragma pack(1)
class Namespace {
public:
Namespace(const StringData& ns) { *this = ns; }
Namespace& operator=(const StringData& ns);
bool hasDollarSign() const { return strchr( buf , '$' ) > 0; }
void kill() { buf[0] = 0x7f; }
bool operator==(const char *r) const { return strcmp(buf, r) == 0; }
bool operator==(const Namespace& r) const { return strcmp(buf, r.buf) == 0; }
int hash() const; // value returned is always > 0
size_t size() const { return strlen( buf ); }
string toString() const { return buf; }
operator string() const { return buf; }
/* NamespaceDetails::Extra was added after fact to allow chaining of data blocks to support more than 10 indexes
(more than 10 IndexDetails). It's a bit hacky because of this late addition with backward
file support. */
string extraName(int i) const;
bool isExtra() const; /* ends with $extr... -- when true an extra block not a normal NamespaceDetails block */
/** ( foo.bar ).getSisterNS( "blah" ) == foo.blah
perhaps this should move to the NamespaceString helper?
*/
string getSisterNS( const char * local ) const;
enum MaxNsLenValue { MaxNsLen = 128 };
private:
char buf[MaxNsLen];
};
#pragma pack()
} // namespace mongo
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