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// @file paths.h
// file paths and directory handling
/* Copyright 2010 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "mongoutils/str.h"
using namespace mongoutils;
namespace mongo {
extern string dbpath;
/** this is very much like a boost::path. however, we define a new type to get some type
checking. if you want to say 'my param MUST be a relative path", use this.
*/
struct RelativePath {
string _p;
bool empty() const { return _p.empty(); }
static RelativePath fromRelativePath(string f) {
RelativePath rp;
rp._p = f;
return rp;
}
/** from a full path */
static RelativePath fromFullPath(path f) {
path dbp(dbpath); // normalizes / and backslash
string fullpath = f.string();
string relative = str::after(fullpath, dbp.string());
if( relative.empty() ) {
log() << "warning file is not under db path? " << fullpath << ' ' << dbp.string() << endl;
RelativePath rp;
rp._p = fullpath;
return rp;
}
/*uassert(13600,
str::stream() << "file path is not under the db path? " << fullpath << ' ' << dbpath,
relative != fullpath);*/
if( str::startsWith(relative, "/") || str::startsWith(relative, "\\") ) {
relative.erase(0, 1);
}
RelativePath rp;
rp._p = relative;
return rp;
}
string toString() const { return _p; }
bool operator!=(const RelativePath& r) const { return _p != r._p; }
bool operator==(const RelativePath& r) const { return _p == r._p; }
bool operator<(const RelativePath& r) const { return _p < r._p; }
string asFullPath() const {
path x(dbpath);
x /= _p;
return x.string();
}
};
}
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