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100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
// Filename: vector_src.h
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// Created by: drose (15May01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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//
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// This file defines the interface to declare and export from the DLL
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// an STL vector of some type.
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//
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// To use this file you must #define a number of symbols and then
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// #include it from a .h file. You also must do the same thing with
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// vector_something_src.cxx from a .cxx file.
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//
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// This is necessary because of the complexity involved in exporting a
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// vector class from a DLL. If we are using the Dinkumware STL
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// implementation, it is even more complex. However, all this
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// complexity is only needed to support Windows builds; Unix shared
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// libraries are able to export symbols (including templates) without
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// any special syntax.
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//
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////////////////////////////////////////////////////////////////////
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// The following variables should be defined prior to including this
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// file:
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//
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// EXPCL - the appropriate EXPCL_* symbol for this DLL.
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// EXPTP - the appropriate EXPTP_* symbol for this DLL.
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// TYPE - the type of thing we are building a vector on.
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// NAME - The name of the resulting vector typedef, e.g. vector_int.
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//
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// They will automatically be undefined at the end of the file.
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#include "pvector.h"
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#if defined(WIN32_VC) && !defined(CPPPARSER)
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#ifdef HAVE_DINKUM
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// With the Dinkum library, we must first export the base class,
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// _Vector_val.
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#define VV_BASE std::_Vector_val<TYPE, pallocator<TYPE> >
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#pragma warning (disable : 4231)
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EXPORT_TEMPLATE_CLASS(EXPCL, EXPTP, VV_BASE)
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#undef VV_BASE
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#endif
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// Now we can export the vector class.
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#pragma warning (disable : 4231)
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#ifdef NO_STYLE_ALLOCATOR
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EXPORT_TEMPLATE_CLASS(EXPCL, EXPTP, std::vector<TYPE>)
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#else
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#define STD_VECTOR std::vector<TYPE, pallocator<TYPE> >
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EXPORT_TEMPLATE_CLASS(EXPCL, EXPTP, STD_VECTOR)
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#undef STD_VECTOR
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EXPORT_TEMPLATE_CLASS(EXPCL, EXPTP, pvector<TYPE>)
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#endif
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#endif
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// Now make a typedef for the vector.
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#ifdef NO_STYLE_ALLOCATOR
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typedef std::vector<TYPE> NAME;
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#else
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typedef pvector<TYPE> NAME;
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#endif
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// Finally, we must define a non-inline function that performs the
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// insert operation given a range of pointers. We do this because
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// the Dinkum STL implementation uses member templates to handle
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// this, but we cannot export the member templates from the DLL.
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/*
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extern EXPCL void
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insert_into_vector(NAME &vec, NAME::iterator where,
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const TYPE *begin, const TYPE *end);
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*/
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#undef EXPCL
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#undef EXPTP
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#undef TYPE
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#undef NAME
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