1 files changed, 62 insertions, 0 deletions
diff --git a/src/mongo/db/namespace.h b/src/mongo/db/namespace.h
new file mode 100644
index 00000000000..b0907a58acc
--- /dev/null
+++ b/src/mongo/db/namespace.h
@@ -0,0 +1,62 @@
+// 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:
+        explicit Namespace(const char *ns) { *this = ns; }
+        Namespace& operator=(const char *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