edje_cc: add "id" toplevel property

this can be used by edje files to identify themselves

src/bin/edje/edje_cc_handlers.c

@@ -202,6 +202,7 @@ static void      *_part_free(Edje_Part_Collection *pc, Edje_Part *ep);
 
 static void       check_has_anchors(void);
 
+static void       st_id(void);
 static void       st_efl_version(void);
 static void       st_externals_external(void);
 
@@ -701,6 +702,7 @@ static void       _handle_vector_image(void);
 
 New_Statement_Handler statement_handlers[] =
 {
+   {"id", st_id},
    {"efl_version", st_efl_version},
    {"externals.external", st_externals_external},
    IMAGE_STATEMENTS("")
@@ -2223,6 +2225,30 @@ st_efl_version(void)
    edje_file->efl_version.minor = parse_int(1);
 }
 
+/** @edcsubsection{toplevel_id,
+ *                 id} */
+
+/**
+    @page edcref
+
+    @property
+        id
+    @parameters
+        [name]
+    @effect
+        A string which is used to identify the edje file.
+    @since 1.21
+    @endproperty
+ */
+static void
+st_id(void)
+{
+   check_arg_count(1);
+
+   free(edje_file->id);
+   edje_file->id = parse_str(0);
+}
+
 /** @edcsubsection{toplevel_externals,
  *                 Externals} */
 

src/lib/edje/edje_data.c

@@ -613,6 +613,7 @@ _edje_edd_init(void)
    EET_DATA_DESCRIPTOR_ADD_BASIC(_edje_edd_edje_file, Edje_File, "efl_version.major", efl_version.major, EET_T_INT);
    EET_DATA_DESCRIPTOR_ADD_BASIC(_edje_edd_edje_file, Edje_File, "efl_version.minor", efl_version.minor, EET_T_INT);
    EET_DATA_DESCRIPTOR_ADD_BASIC(_edje_edd_edje_file, Edje_File, "base_scale", base_scale, EDJE_T_FLOAT);
+   EET_DATA_DESCRIPTOR_ADD_BASIC(_edje_edd_edje_file, Edje_File, "id", id, EET_T_STRING);
    EET_DATA_DESCRIPTOR_ADD_SUB(_edje_edd_edje_file, Edje_File, "external_dir", external_dir, _edje_edd_edje_external_directory);
    EET_DATA_DESCRIPTOR_ADD_SUB(_edje_edd_edje_file, Edje_File, "image_dir", image_dir, _edje_edd_edje_image_directory);
    EET_DATA_DESCRIPTOR_ADD_SUB(_edje_edd_edje_file, Edje_File, "model_dir", model_dir, _edje_edd_edje_model_directory);

src/lib/edje/edje_load.c

@@ -2229,6 +2229,7 @@ _edje_file_free(Edje_File *edf)
    if (edf->collection_patterns) edje_match_patterns_free(edf->collection_patterns);
    if (edf->path) eina_stringshare_del(edf->path);
    if (edf->free_strings && edf->compiler) eina_stringshare_del(edf->compiler);
+   if (edf->free_strings) eina_stringshare_del(edf->id);
    _edje_textblock_style_cleanup(edf);
    if (edf->ef) eet_close(edf->ef);
    if (edf->f) eina_file_close(edf->f);

src/lib/edje/edje_private.h

@@ -600,6 +600,7 @@ struct _Edje_File
       int                          major;
       int                          minor;
    } efl_version;
+   Eina_Stringshare               *id;
 
    FLOAT_T                         base_scale;