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// Resource.hh
// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id: Resource.hh,v 1.5 2002/05/17 10:59:58 fluxgen Exp $
#ifndef RESOURCE_HH
#define RESOURCE_HH
#include "NotCopyable.hh"
#include <string>
#include <list>
class Resource_base:private NotCopyable
{
public:
virtual void setFromString(char const *strval)=0;
virtual void setDefaultValue()=0;
virtual std::string getString()=0;
inline const std::string& getAltName() const { return m_altname; }
inline const std::string& getName() const { return m_name; }
protected:
Resource_base(const std::string &name, const std::string &altname):
m_name(name), m_altname(altname)
{
}
virtual ~Resource_base(){ };
private:
std::string m_name, m_altname;
};
class ResourceManager;
template <typename T>
class Resource:public Resource_base
{
public:
Resource(ResourceManager &rm, T val,
const std::string &name, const std::string &altname):
Resource_base(name, altname),
m_value(val), m_defaultval(val),
m_rm(rm)
{
m_rm.addResource(*this);
}
~Resource() {
m_rm.removeResource(*this);
}
inline void setDefaultValue() { m_value = m_defaultval; }
void setFromString(const char *strval);
inline Resource<T>& operator = (const T& newvalue) { m_value = newvalue; return *this;}
std::string getString();
inline T& operator*(void) { return m_value; }
inline const T& operator*(void) const { return m_value; }
inline T *operator->(void) { return &m_value; }
inline const T *operator->(void) const { return &m_value; }
private:
T m_value, m_defaultval;
ResourceManager &m_rm;
};
class ResourceManager
{
public:
typedef std::list<Resource_base *> ResourceList;
ResourceManager(){ }
bool load(const char *filename);
bool save(const char *filename, const char *mergefilename=0);
template <class T>
void addResource(Resource<T> &r) {
m_resourcelist.push_back(&r);
m_resourcelist.unique();
}
template <class T>
void removeResource(Resource<T> &r) {
m_resourcelist.remove(&r);
}
private:
static inline void ensureXrmIsInitialize();
static bool m_init;
ResourceList m_resourcelist;
};
#endif //_RESOURCE_HH_
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