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/*
* Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef __TAG_H__
#define __TAG_H__
#include <string>
#include <map>
#include <shared_ptr.h>
#include "Lists.h"
class Tag {
private:
static TagList ourRootTags;
static std::map<int,shared_ptr<Tag> > ourTagsById;
public:
static shared_ptr<Tag> getTag(const std::string &name, shared_ptr<Tag> parent = 0, int tagId = 0);
static shared_ptr<Tag> getTagByFullName(const std::string &fullName);
static shared_ptr<Tag> getTagById(int tagId);
static void setTagId(shared_ptr<Tag>, int tagId);
static shared_ptr<Tag> cloneSubTag(shared_ptr<Tag> tag, shared_ptr<Tag> oldparent, shared_ptr<Tag> newparent);
static void collectAncestors(shared_ptr<Tag> tag, TagList &parents);
static void collectTagNames(std::vector<std::string> &tags);
private:
static const std::string DELIMITER;
private:
Tag(const std::string &name, shared_ptr<Tag> parent, int tagId);
public:
const std::string &fullName() const;
const std::string &name() const;
shared_ptr<Tag> parent() const;
public:
bool isAncestorOf(shared_ptr<Tag> tag) const;
int tagId() const;
std::size_t level() const;
private:
const std::string myName;
mutable std::string myFullName;
shared_ptr<Tag> myParent;
TagList myChildren;
const std::size_t myLevel;
int myTagId;
private: // disable copying
Tag(const Tag &);
const Tag &operator = (const Tag &);
};
class TagComparator {
public:
bool operator () (
shared_ptr<Tag> tag0,
shared_ptr<Tag> tag1
) const;
};
inline const std::string &Tag::name() const { return myName; }
inline shared_ptr<Tag> Tag::parent() const { return myParent; }
inline int Tag::tagId() const { return myTagId; }
inline std::size_t Tag::level() const { return myLevel; }
#endif /* __TAG_H__ */
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