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/*
* Copyright (C) 2011 Vyatta, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _FSPATH_HPP_
#define _FSPATH_HPP_
#include <string>
#include <cstore/svector.hpp>
namespace cstore { // begin namespace cstore
namespace unionfs { // begin namespace unionfs
class FsPath {
public:
FsPath() : _data() {};
explicit FsPath(const char *full_path) : _data() { operator=(full_path); };
explicit FsPath(const std::string& full_path) : _data() {
operator=(full_path);
};
FsPath(const FsPath& p) : _data() { operator=(p); };
~FsPath() {};
void push(const char *comp) { _data.push_back(comp); };
void push(const std::string& comp) { _data.push_back(comp.c_str()); };
void pop() { _data.pop_back(); };
void pop(std::string& last) { _data.pop_back(last); };
FsPath& operator=(const char *full_path) {
_data = full_path;
return *this;
};
FsPath& operator=(const std::string& full_path) {
_data = full_path;
return *this;
};
FsPath& operator=(const FsPath& p) {
_data = p._data;
return *this;
};
FsPath& operator/=(const FsPath& p) {
_data /= p._data;
return *this;
}
FsPath operator/(const FsPath& rhs) {
FsPath lhs(*this);
lhs /= rhs;
return lhs;
};
bool operator==(const FsPath& rhs) const {
return (_data == rhs._data);
};
size_t length() const { return _data.length(); };
size_t size() const { return _data.size(); };
bool has_parent_path() const { return (_data.size() > 0); };
const char *path_cstr() const { return _data.get_cstr(); };
size_t hash() const { return _data.hash(); };
private:
struct FsPathParams {
static const char separator = '/';
static const size_t static_num_elems = 24;
static const size_t static_buf_len = 256;
};
cstore::svector<FsPathParams> _data;
};
struct FsPathHash {
inline size_t operator()(const FsPath& p) const {
return p.hash();
};
};
} // end namespace unionfs
} // end namespace cstore
#endif /* _FSPATH_HPP_ */
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