vmap/plugins/entity/namekeys.h

/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant 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.

   GtkRadiant 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 GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#if !defined( INCLUDED_NAMEKEYS_H )
#define INCLUDED_NAMEKEYS_H

#include <stdio.h>
#include <map>
#include "generic/static.h"
#include "entitylib.h"
#include "namespace.h"

inline bool string_is_integer(const char *string)
{
    strtol(string, const_cast<char **>( &string ), 10);
    return *string == '\0';
}

typedef bool ( *KeyIsNameFunc )(const char *key);

class KeyIsName {
public:
    KeyIsNameFunc m_keyIsName;
    const char *m_nameKey;

    KeyIsName()
    {
    }
};


typedef MemberCaller<EntityKeyValue, void(const char *), &EntityKeyValue::assign> KeyValueAssignCaller;
typedef MemberCaller<EntityKeyValue, void(const KeyObserver &), &EntityKeyValue::attach> KeyValueAttachCaller;
typedef MemberCaller<EntityKeyValue, void(const KeyObserver &), &EntityKeyValue::detach> KeyValueDetachCaller;

class NameKeys : public Entity::Observer, public Namespaced {
    Namespace *m_namespace;
    EntityKeyValues &m_entity;
    KeyIsNameFunc m_keyIsName;

    NameKeys(const NameKeys &other);

    NameKeys &operator=(const NameKeys &other);

    typedef std::map<CopiedString, EntityKeyValue *> KeyValues;
    KeyValues m_keyValues;

    void insertName(const char *key, EntityKeyValue &value)
    {
        if (m_namespace != 0 && m_keyIsName(key)) {
            //globalOutputStream() << "insert " << key << "\n";
            m_namespace->attach(KeyValueAssignCaller(value), KeyValueAttachCaller(value));
        }
    }

    void eraseName(const char *key, EntityKeyValue &value)
    {
        if (m_namespace != 0 && m_keyIsName(key)) {
            //globalOutputStream() << "erase " << key << "\n";
            m_namespace->detach(KeyValueAssignCaller(value), KeyValueDetachCaller(value));
        }
    }

    void insertAll()
    {
        for (KeyValues::iterator i = m_keyValues.begin(); i != m_keyValues.end(); ++i) {
            insertName((*i).first.c_str(), *(*i).second);
        }
    }

    void eraseAll()
    {
        for (KeyValues::iterator i = m_keyValues.begin(); i != m_keyValues.end(); ++i) {
            eraseName((*i).first.c_str(), *(*i).second);
        }
    }

public:
    NameKeys(EntityKeyValues &entity) : m_namespace(0), m_entity(entity),
                                        m_keyIsName(Static<KeyIsName>::instance().m_keyIsName)
    {
        m_entity.attach(*this);
    }

    ~NameKeys()
    {
        m_entity.detach(*this);
    }

    void setNamespace(Namespace &space)
    {
        eraseAll();
        m_namespace = &space;
        insertAll();
    }

    void setKeyIsName(KeyIsNameFunc keyIsName)
    {
        eraseAll();
        m_keyIsName = keyIsName;
        insertAll();
    }

    void insert(const char *key, EntityKeyValue &value)
    {
        m_keyValues.insert(KeyValues::value_type(key, &value));
        insertName(key, value);
    }

    void erase(const char *key, EntityKeyValue &value)
    {
        eraseName(key, value);
        m_keyValues.erase(key);
    }
};

inline bool keyIsNameDoom3(const char *key)
{
    return string_equal(key, "target")
           || (string_equal_n(key, "target", 6) && string_is_integer(key + 6))
           || string_equal(key, "name");
}

inline bool keyIsNameDoom3Doom3Group(const char *key)
{
    return keyIsNameDoom3(key)
           || string_equal(key, "model");
}

inline bool keyIsNameQuake3(const char *key)
{
    return string_equal(key, "target")
           || string_equal(key, "targetname")
           || string_equal(key, "killtarget")
           || (string_equal_n(key, "target", 6) && string_is_integer(key + 6)); // Nexuiz
}

#endif