edje external support, part 1.

Patch by Fabiano Fidêncio <fidencio@profusion.mobi>



git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/edje@43927 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33

1 files changed, 150 insertions, 0 deletions

diff --git a/src/lib/edje_module.c b/src/lib/edje_module.c
new file mode 100644
index 0000000..19addd4
--- /dev/null
+++ b/src/lib/edje_module.c
@@ -0,0 +1,150 @@
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+#elif defined __GNUC__
+# define alloca __builtin_alloca
+#elif defined _AIX
+# define alloca __alloca
+#elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+#else
+# include <stddef.h>
+# ifdef  __cplusplus
+extern "C"
+# endif
+void *alloca (size_t);
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libgen.h>
+#include <Eina.h>
+#include <Ecore_File.h>
+#include "Edje.h"
+
+#if defined(_WIN32) || defined(__CYGWIN__)
+# define MODULE_EXTENSION ".dll"
+#else
+# define MODULE_EXTENSION ".so"
+#endif /* !defined(_WIN32) && !defined(__CYGWIN__) */
+
+#define LOG_COLOR "\033[36m"
+
+Eina_Hash *_registered_modules = NULL;
+Eina_Array *_available_modules = NULL;
+Eina_List *_modules_name = NULL;
+static int _edje_modules_log_dom = -1;
+
+const char *
+_edje_module_name_get(Eina_Module *m)
+{
+   const char *name;
+   ssize_t len;
+
+   name = ecore_file_file_get(eina_module_file_get(m));
+   len = strlen(name);
+   len -= sizeof(MODULE_EXTENSION) - 1;
+   if (len <= 0) return NULL;
+   return eina_stringshare_add_length(name, len);
+}
+
+EAPI Eina_Bool
+edje_module_load(const char *module)
+{
+   Eina_Module *m;
+
+   EINA_SAFETY_ON_NULL_RETURN_VAL(module, EINA_FALSE);
+   m = eina_module_find(_available_modules, module);
+
+   if (!m)
+     {
+       EINA_LOG_ERR("Could not find the module %s", module);
+       return EINA_FALSE;
+     }
+
+   if (!eina_module_load(m))
+     {
+       EINA_LOG_ERR("Could not load the module %s", module);
+       return EINA_TRUE;
+     }
+
+   return !!eina_hash_add(_registered_modules, module, m);
+}
+
+void
+_edje_module_init(void)
+{
+   _edje_modules_log_dom = eina_log_domain_register("edje_module", LOG_COLOR);
+
+   if (_edje_modules_log_dom < 0)
+     {
+       EINA_LOG_ERR("Could not register log domain: edje_module");
+       return;
+     }
+
+   _registered_modules = eina_hash_string_small_new(NULL);
+   _available_modules = eina_module_list_get(_available_modules,
+           PACKAGE_LIB_DIR "/lib/edje", 0, NULL, NULL);
+
+   if (!_available_modules)
+     {
+       eina_hash_free(_registered_modules);
+       return;
+     }
+
+   unsigned int i;
+   Eina_Array_Iterator it;
+   Eina_Module *m;
+
+   EINA_ARRAY_ITER_NEXT(_available_modules, i, m, it)
+     {
+       const char *name;
+
+       name = _edje_module_name_get(m);
+       _modules_name = eina_list_append(_modules_name, name);
+     }
+
+}
+
+void
+_edje_module_shutdown(void)
+{
+   Eina_List *l;
+   const char *data;
+
+   eina_module_list_flush(_available_modules);
+   if (_available_modules)
+     {
+       eina_array_free(_available_modules);
+       _available_modules = NULL;
+     }
+
+   if (_registered_modules)
+     {
+       eina_hash_free(_registered_modules);
+       _registered_modules = NULL;
+     }
+
+   if (_modules_name)
+     {
+       EINA_LIST_FOREACH(_modules_name, l, data)
+         {
+           eina_stringshare_del(data);
+         }
+       _modules_name = NULL;
+     }
+
+   eina_log_domain_unregister(_edje_modules_log_dom);
+   _edje_modules_log_dom = -1;
+}
+
+EAPI const Eina_List *
+edje_available_modules_get(void)
+{
+   return _modules_name;
+}