145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "Ecore_Evas.h"
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#include "ecore_evas_private.h"
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static Eina_Hash *_registered_engines = NULL;
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static Eina_List *_engines_paths = NULL;
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static Eina_List *_engines_available = NULL;
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#if defined(__CEGCC__) || defined(__MINGW32CE__) || defined(_WIN32)
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# define ECORE_EVAS_ENGINE_NAME "module.dll"
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#else
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# define ECORE_EVAS_ENGINE_NAME "module.so"
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#endif
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Eina_Module *
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_ecore_evas_engine_load(const char *engine)
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{
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const char *path;
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Eina_List *l;
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Eina_Module *em = NULL;
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EINA_SAFETY_ON_NULL_RETURN_VAL(engine, NULL);
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em = (Eina_Module *)eina_hash_find(_registered_engines, engine);
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if (em) return em;
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EINA_LIST_FOREACH(_engines_paths, l, path)
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{
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char tmp[PATH_MAX];
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snprintf(tmp, sizeof (tmp), "%s/%s/%s/"ECORE_EVAS_ENGINE_NAME, path, engine, MODULE_ARCH);
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em = eina_module_new(tmp);
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if (!em) continue;
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if (!eina_module_load(em))
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{
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eina_module_free(em);
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continue;
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}
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if (eina_hash_add(_registered_engines, engine, em))
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return em;
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}
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return NULL;
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}
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void
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_ecore_evas_engine_init(void)
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{
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char *paths[4] = { NULL, NULL, NULL, NULL };
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unsigned int i;
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unsigned int j;
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_registered_engines = eina_hash_string_small_new(EINA_FREE_CB(eina_module_free));
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/* 1. ~/.ecore_evas/modules/ */
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paths[0] = eina_module_environment_path_get("HOME", "/.ecore_evas/engines");
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/* 2. $(ECORE_ENGINE_DIR)/ecore_evas/modules/ */
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paths[1] = eina_module_environment_path_get("ECORE_EVAS_ENGINES_DIR", "/ecore_evas/engines");
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/* 3. libecore_evas.so/../ecore_evas/engines/ */
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paths[2] = eina_module_symbol_path_get(_ecore_evas_engine_init, "/ecore_evas/engines");
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/* 4. PREFIX/ecore_evas/engines/ */
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#ifndef _MSC_VER
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paths[3] = strdup(PACKAGE_LIB_DIR "/ecore_evas/engines");
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#endif
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for (j = 0; j < ((sizeof (paths) / sizeof (char*)) - 1); ++j)
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for (i = j + 1; i < sizeof (paths) / sizeof (char*); ++i)
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if (paths[i] && paths[j] && !strcmp(paths[i], paths[j]))
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{
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free(paths[i]);
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paths[i] = NULL;
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}
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for (i = 0; i < sizeof (paths) / sizeof (char*); ++i)
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if (paths[i])
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_engines_paths = eina_list_append(_engines_paths, paths[i]);
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}
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void
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_ecore_evas_engine_shutdown(void)
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{
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char *path;
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if (_registered_engines)
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{
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eina_hash_free(_registered_engines);
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_registered_engines = NULL;
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}
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EINA_LIST_FREE(_engines_paths, path)
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free(path);
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EINA_LIST_FREE(_engines_available, path)
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eina_stringshare_del(path);
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}
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static Eina_Bool
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_file_exists(const char *file)
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{
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struct stat st;
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if (!file) return EINA_FALSE;
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if (stat(file, &st) < 0) return EINA_FALSE;
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return EINA_TRUE;
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}
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const Eina_List *
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_ecore_evas_available_engines_get(void)
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{
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Eina_File_Direct_Info *info;
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Eina_Iterator *it;
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Eina_List *l = NULL, *result = NULL;
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const char *path;
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if (_engines_available) return _engines_available;
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EINA_LIST_FOREACH(_engines_paths, l, path)
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{
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it = eina_file_direct_ls(path);
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if (it)
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{
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EINA_ITERATOR_FOREACH(it, info)
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{
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char tmp[PATH_MAX];
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snprintf(tmp, sizeof (tmp), "%s/%s/" ECORE_EVAS_ENGINE_NAME,
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info->path, MODULE_ARCH);
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if (_file_exists(tmp))
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result = eina_list_append(result,
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eina_stringshare_add(info->path + info->name_start));
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}
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eina_iterator_free(it);
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}
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}
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_engines_available = result;
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return result;
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}
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