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