Daniel@0: 
Daniel@0: /* vim:set shiftwidth=4 ts=8: */
Daniel@0: 
Daniel@0: /**********************************************************
Daniel@0: *      This software is part of the graphviz package      *
Daniel@0: *                http://www.graphviz.org/                 *
Daniel@0: *                                                         *
Daniel@0: *            Copyright (c) 1994-2004 AT&T Corp.           *
Daniel@0: *                and is licensed under the                *
Daniel@0: *            Common Public License, Version 1.0           *
Daniel@0: *                      by AT&T Corp.                      *
Daniel@0: *                                                         *
Daniel@0: *        Information and Software Systems Research        *
Daniel@0: *              AT&T Research, Florham Park NJ             *
Daniel@0: **********************************************************/
Daniel@0: 
Daniel@0: /* Common header used by both clients and plugins */
Daniel@0: 
Daniel@0: #ifndef GVCEXT_H
Daniel@0: #define GVCEXT_H
Daniel@0: 
Daniel@0: #ifdef __cplusplus
Daniel@0: extern "C" {
Daniel@0: #endif
Daniel@0: 
Daniel@0: /*
Daniel@0:  * Define an apis array of name strings using an enumerated api_t as index.
Daniel@0:  * The enumerated type is defined here.  The apis array is
Daniel@0:  * inititialized in gvplugin.c by redefining ELEM and reinvoking APIS.
Daniel@0:  */
Daniel@0: #define APIS ELEM(render) ELEM(layout) ELEM(textlayout) ELEM(device) ELEM(loadimage)
Daniel@0: 
Daniel@0: /*
Daniel@0:  * Define api_t using names based on the plugin names with API_ prefixed.
Daniel@0:  */
Daniel@0: #define ELEM(x) API_##x,
Daniel@0:     typedef enum { APIS _DUMMY_ELEM_=0 } api_t; /* API_render, API_layout, ... */
Daniel@0:     			/* Stupid but true: The sole purpose of "_DUMMY_ELEM_=0"
Daniel@0: 			 * is to avoid a "," after the last element of the enum
Daniel@0: 			 * because some compilers when using "-pedantic"
Daniel@0: 			 * generate an error for about the dangling ","
Daniel@0: 			 * but only if this header is used from a .cpp file!
Daniel@0: 			 * Setting it to 0 makes sure that the enumeration
Daniel@0: 			 * does not define an extra value.  (It does however
Daniel@0: 			 * define _DUMMY_ELEM_ as an enumeration symbol,
Daniel@0: 			 * but its value duplicates that of the first
Daniel@0: 			 * symbol in the enumeration - in this case "render".)
Daniel@0: 			 */
Daniel@0: 
Daniel@0:     			/* One could wonder why trailing "," in:
Daniel@0: 			 * 	int nums[]={1,2,3,};
Daniel@0: 			 * is OK, but in:
Daniel@0: 			 * 	typedef enum {a,b,c,} abc_t; 
Daniel@0: 			 * is not!!!
Daniel@0: 			 */
Daniel@0: #undef ELEM
Daniel@0: 
Daniel@0:     typedef struct GVJ_s GVJ_t;
Daniel@0:     typedef struct GVC_s GVC_t;
Daniel@0: 
Daniel@0:     typedef struct {
Daniel@0: 	const char *name;
Daniel@0: 	void* address;
Daniel@0:     } lt_symlist_t;
Daniel@0: 
Daniel@0:     typedef struct gvplugin_available_s gvplugin_available_t;
Daniel@0: 
Daniel@0: /*visual studio*/
Daniel@0: #ifdef WIN32_DLL
Daniel@0: #ifndef GVC_EXPORTS
Daniel@0: __declspec(dllimport) lt_symlist_t lt_preloaded_symbols[];
Daniel@0: #else
Daniel@0: __declspec(dllexport) lt_symlist_t lt_preloaded_symbols[];
Daniel@0: #endif
Daniel@0: #endif
Daniel@0: /*end visual studio*/
Daniel@0: 
Daniel@0: 
Daniel@0: #ifndef WIN32_DLL
Daniel@0: #if defined(GVDLL)
Daniel@0: 	__declspec(dllexport) lt_symlist_t lt_preloaded_symbols[];
Daniel@0: #else
Daniel@0: 	extern lt_symlist_t lt_preloaded_symbols[];
Daniel@0: #endif
Daniel@0: #endif
Daniel@0: 
Daniel@0: 
Daniel@0: #ifdef __cplusplus
Daniel@0: }
Daniel@0: #endif
Daniel@0: 
Daniel@0: 
Daniel@0: 
Daniel@0: #endif