Aegisub/aegisub/factory_manager.h

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// Copyright (c) 2007-2008, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of the Aegisub Group nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// -----------------------------------------------------------------------------
//
// AEGISUB
//
// Website: http://aegisub.cellosoft.com
// Contact: mailto:zeratul@cellosoft.com
//
#pragma once
///////////
// Headers
#include <map>
#include <wx/string.h>
#include <wx/arrstr.h>
/////////////////
// Factory class
template <class T>
class FactoryManager {
protected:
// Static map of all factories
static std::map<wxString,T*> *factories;
// Register one factory type (with possible subtypes)
static void RegisterFactory(T* factory,wxString name, wxArrayString subTypes=wxArrayString()) {
// Create factories if it doesn't exist
if (factories == NULL) factories = new std::map<wxString,T*>;
// Prepare subtypes
if (subTypes.GetCount() == 0) subTypes.Add(_T(""));
else {
for (unsigned int i=0;i<subTypes.GetCount();i++) {
subTypes[i] = _T("/") + subTypes[i];
}
}
// Insert each subtype
for (unsigned int i=0;i<subTypes.GetCount();i++) {
factories->insert(std::make_pair(name.Lower() + subTypes[i],factory));
}
}
// Get a factory with name
static T *GetFactory(wxString name) {
// No factories
if (factories == NULL) {
factories = new std::map<wxString,T*>;
return NULL;
}
// Search for factory that matches
typename std::map<wxString,T*>::iterator cur;
for (cur = factories->begin();cur != factories->end();cur++) {
if (cur->first.StartsWith(name)) return cur->second;
}
// None found
return NULL;
}
public:
// Virtual destructor
virtual ~FactoryManager() {}
// Get list of all factories, with favourite as first
static wxArrayString GetFactoryList(wxString favourite=_T("")) {
if (factories == NULL) factories = new std::map<wxString,T*>;
wxArrayString list;
favourite = favourite.Lower();
for (typename std::map<wxString,T*>::iterator cur=factories->begin();cur!=factories->end();cur++) {
if (cur->first == favourite) list.Insert(cur->first,0);
else list.Add(cur->first);
}
return list;
}
};