// @(#)root/reflex:$Id$
// Author: Stefan Roiser 2004

// Copyright CERN, CH-1211 Geneva 23, 2004-2006, All rights reserved.
//
// Permission to use, copy, modify, and distribute this software for any
// purpose is hereby granted without fee, provided that this copyright and
// permissions notice appear in all copies and derivatives.
//
// This software is provided "as is" without express or implied warranty.

#ifndef REFLEX_BUILD
# define REFLEX_BUILD
#endif

#include "Reflex/internal/MemberTemplateImpl.h"

#include "Reflex/MemberTemplate.h"
#include "Reflex/internal/OwnedMember.h"


//-------------------------------------------------------------------------------
Reflex::MemberTemplateImpl::MemberTemplateImpl(const char* templateName,
                                               const Scope& scope,
                                               const std::vector<std::string>& parameterNames,
                                               const std::vector<std::string>& parameterDefaults)
//-------------------------------------------------------------------------------
   : fScope(scope),
   fTemplateInstances(std::vector<Member>()),
   fParameterNames(parameterNames),
   fParameterDefaults(parameterDefaults),
   fReqParameters(parameterNames.size() - parameterDefaults.size()) {
// Construct dictionary info for this template member function.
   MemberTemplate mt = MemberTemplate::ByName(templateName, parameterNames.size());

   if (mt.Id() == 0) {
      fMemberTemplateName = new MemberTemplateName(templateName, this);
   } else {
      fMemberTemplateName = (MemberTemplateName*) mt.Id();

      if (fMemberTemplateName->fMemberTemplateImpl) {
         delete fMemberTemplateName->fMemberTemplateImpl;
      }
      fMemberTemplateName->fMemberTemplateImpl = this;
   }
}


//-------------------------------------------------------------------------------
Reflex::MemberTemplateImpl::~MemberTemplateImpl() {
//-------------------------------------------------------------------------------
// Destructor.
   if (fMemberTemplateName->fMemberTemplateImpl == this) {
      fMemberTemplateName->fMemberTemplateImpl = 0;
   }
}


//-------------------------------------------------------------------------------
bool
Reflex::MemberTemplateImpl::operator ==(const MemberTemplateImpl& mt) const {
//-------------------------------------------------------------------------------
// Equal operator.
   return (fMemberTemplateName->fName == mt.fMemberTemplateName->fName) &&
          (fParameterNames.size() == mt.fParameterNames.size());
}


//-------------------------------------------------------------------------------
Reflex::Member_Iterator
Reflex::MemberTemplateImpl::TemplateInstance_Begin() const {
//-------------------------------------------------------------------------------
// Return the begin iterator of the instance container of this member template.
   return fTemplateInstances.begin();
}


//-------------------------------------------------------------------------------
Reflex::Member_Iterator
Reflex::MemberTemplateImpl::TemplateInstance_End() const {
//-------------------------------------------------------------------------------
// Return the end iterator of the instance container of this member template.
   return fTemplateInstances.end();
}


//-------------------------------------------------------------------------------
Reflex::Reverse_Member_Iterator
Reflex::MemberTemplateImpl::TemplateInstance_RBegin() const {
//-------------------------------------------------------------------------------
// Return the rbegin iterator of the instance container of this member template.
   return ((const std::vector<Member> &)fTemplateInstances).rbegin();
}


//-------------------------------------------------------------------------------
Reflex::Reverse_Member_Iterator
Reflex::MemberTemplateImpl::TemplateInstance_REnd() const {
//-------------------------------------------------------------------------------
// Return the rend iterator of the instance container of this member template.
   return ((const std::vector<Member> &)fTemplateInstances).rend();
}


//-------------------------------------------------------------------------------
Reflex::Member
Reflex::MemberTemplateImpl::TemplateInstanceAt(size_t nth) const {
//-------------------------------------------------------------------------------
// Return the nth template instance of this template family.
   if (nth < fTemplateInstances.size()) {
      return fTemplateInstances[nth];
   }
   return Dummy::Member();
}


//-------------------------------------------------------------------------------
size_t
Reflex::MemberTemplateImpl::TemplateInstanceSize() const {
//-------------------------------------------------------------------------------
// Return number of template instances of this family.
   return fTemplateInstances.size();
}


//-------------------------------------------------------------------------------
Reflex::MemberTemplate
Reflex::MemberTemplateImpl::ThisMemberTemplate() const {
//-------------------------------------------------------------------------------
// Return a ref to this member template.
   return fMemberTemplateName->ThisMemberTemplate();
}


//-------------------------------------------------------------------------------
void
Reflex::MemberTemplateImpl::AddTemplateInstance(const Member& templateInstance) const {
//-------------------------------------------------------------------------------
// Add template instance to this family.
   fTemplateInstances.push_back(templateInstance);
}