Evas filters: Add explicit exec flag in data_set

This flag should be set iif the string passed is to be executed
rather than assigned. This is used to pass complex arguments
as data, like tables (eg. color class).

4 files changed, 60 insertions, 29 deletions

diff --git a/src/lib/evas/canvas/evas_filter_mixin.c b/src/lib/evas/canvas/evas_filter_mixin.c
index 5c4746817d..70e37b0991 100644
--- a/src/lib/evas/canvas/evas_filter_mixin.c
+++ b/src/lib/evas/canvas/evas_filter_mixin.c
@@ -493,6 +493,8 @@ EOLIAN void
 _evas_filter_destructor(Eo *eo_obj, Evas_Filter_Data *pd)
 {
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
+   Evas_Filter_Data_Binding *db;
+   Eina_Inlist *il;
 
    if (!pd->data) return;
    if (evas_object_filter_cow_default == pd->data) return;
@@ -500,7 +502,12 @@ _evas_filter_destructor(Eo *eo_obj, Evas_Filter_Data *pd)
    if (pd->data->output)
      ENFN->image_free(ENDT, pd->data->output);
    eina_hash_free(pd->data->sources);
-   eina_hash_free(pd->data->data);
+   EINA_INLIST_FOREACH_SAFE(pd->data->data, il, db)
+     {
+        eina_stringshare_del(db->name);
+        eina_stringshare_del(db->value);
+        free(db);
+     }
    evas_filter_program_del(pd->data->chain);
    eina_stringshare_del(pd->data->code);
    eina_cow_free(evas_object_filter_cow, (const Eina_Cow_Data **) &pd->data);
@@ -508,25 +515,45 @@ _evas_filter_destructor(Eo *eo_obj, Evas_Filter_Data *pd)
 
 EOLIAN void
 _evas_filter_efl_gfx_filter_data_set(Eo *obj EINA_UNUSED, Evas_Filter_Data *pd,
-                                     const char *name, const char *value)
+                                     const char *name, const char *value,
+                                     Eina_Bool execute)
 {
-   const char *check = NULL;
+   Evas_Filter_Data_Binding *db, *found = NULL;
 
-   if (!pd->data) return;
+   EINA_SAFETY_ON_NULL_RETURN(pd->data);
+   EINA_SAFETY_ON_NULL_RETURN(name);
 
-   if (pd->data->data && ((check = eina_hash_find(pd->data->data, name)) != NULL))
+   EINA_INLIST_FOREACH(pd->data->data, db)
      {
-        if (!strcmp(check, value))
-          return;
+        if (!strcmp(name, db->name))
+          {
+             if (db->execute == execute)
+               {
+                  if ((value == db->value) || (value && db->value && !strcmp(value, db->value)))
+                    return;
+               }
+             found = db;
+             break;
+          }
      }
 
    EINA_COW_WRITE_BEGIN(evas_object_filter_cow, pd->data, Evas_Object_Filter_Data, fcow)
      {
-        if (!fcow->data)
-          fcow->data = eina_hash_string_small_new(free);
-        eina_hash_set(fcow->data, name, value ? strdup(value) : NULL);
-        if (fcow->chain)
-          evas_filter_program_data_set_all(fcow->chain, fcow->data);
+        if (found)
+          {
+             // Note: we are keeping references to NULL values here.
+             eina_stringshare_replace(&found->value, value);
+             found->execute = execute;
+          }
+        else if (value)
+          {
+             db = calloc(1, sizeof(Evas_Filter_Data_Binding));
+             db->name = eina_stringshare_add(name);
+             db->value = eina_stringshare_add(value);
+             db->execute = execute;
+             fcow->data = eina_inlist_append(fcow->data, EINA_INLIST_GET(db));
+          }
+        evas_filter_program_data_set_all(fcow->chain, fcow->data);
         fcow->changed = 1;
      }
    EINA_COW_WRITE_END(evas_object_filter_cow, pd->data, fcow);
diff --git a/src/lib/evas/filters/evas_filter_parser.c b/src/lib/evas/filters/evas_filter_parser.c
index 58f75b858b..7c4082c51d 100644
--- a/src/lib/evas/filters/evas_filter_parser.c
+++ b/src/lib/evas/filters/evas_filter_parser.c
@@ -341,7 +341,7 @@ struct _Evas_Filter_Program
       int l, r, t, b;
    } pad;
    Evas_Filter_Program_State state;
-   Eina_Hash /* str -> str */ *data;
+   Eina_Inlist *data; // Evas_Filter_Data_Binding
    lua_State *L;
    int       lua_func;
    int       last_bufid;
@@ -2636,36 +2636,31 @@ _filter_program_state_set(Evas_Filter_Program *pgm)
    /* now push all extra data */
    if (pgm->data)
      {
-        Eina_Iterator *it = eina_hash_iterator_tuple_new(pgm->data);
-        Eina_Hash_Tuple *tup;
-        EINA_ITERATOR_FOREACH(it, tup)
+        Evas_Filter_Data_Binding *db;
+        EINA_INLIST_FOREACH(pgm->data, db)
           {
-             const char *name = tup->key;
-             const char *value = tup->data;
-             if (value)
+             if (db->value)
                {
-                  if ((value[0] == '-') && (value[1] == '-') && value[2] == '\n')
+                  if (db->execute)
                     {
-                       if (luaL_dostring(L, value) != 0)
+                       if (luaL_dostring(L, db->value) != 0)
                          {
-                            eina_iterator_free(it);
                             ERR("Failed to run value: %s", lua_tostring(L, -1));
                             return EINA_FALSE;
                          }
                     }
                   else
                     {
-                       lua_pushstring(L, value);
-                       lua_setglobal(L, name);
+                       lua_pushstring(L, db->value);
+                       lua_setglobal(L, db->name);
                     }
                }
              else
                {
                   lua_pushnil(L);
-                  lua_setglobal(L, name);
+                  lua_setglobal(L, db->name);
                }
           }
-        eina_iterator_free(it);
      }
 
    return EINA_TRUE;
@@ -2959,7 +2954,7 @@ evas_filter_program_source_set_all(Evas_Filter_Program *pgm,
 }
 
 void
-evas_filter_program_data_set_all(Evas_Filter_Program *pgm, Eina_Hash *data)
+evas_filter_program_data_set_all(Evas_Filter_Program *pgm, Eina_Inlist *data)
 {
    if (!pgm) return;
    pgm->data = data;
diff --git a/src/lib/evas/include/evas_filter.h b/src/lib/evas/include/evas_filter.h
index 6784a0d9e7..f1cbffb31c 100644
--- a/src/lib/evas/include/evas_filter.h
+++ b/src/lib/evas/include/evas_filter.h
@@ -133,7 +133,7 @@ Eina_Bool                evas_filter_context_program_use(Evas_Filter_Context *ct
 EAPI Eina_Bool           evas_filter_program_padding_get(Evas_Filter_Program *pgm, int *l, int *r, int *t, int *b);
 EAPI void                evas_filter_program_source_set_all(Evas_Filter_Program *pgm, Eina_Hash *sources);
 void                     evas_filter_context_proxy_render_all(Evas_Filter_Context *ctx, Eo *eo_obj, Eina_Bool do_async);
-void                     evas_filter_program_data_set_all(Evas_Filter_Program *pgm, Eina_Hash *data);
+void                     evas_filter_program_data_set_all(Evas_Filter_Program *pgm, Eina_Inlist *data);
 
 /* Filter context (low level) */
 Evas_Filter_Context     *evas_filter_context_new(Evas_Public_Data *evas, Eina_Bool async);
@@ -294,6 +294,14 @@ struct _Evas_Filter_Proxy_Binding
    Eina_Stringshare *name;
 };
 
+struct _Evas_Filter_Data_Binding
+{
+   EINA_INLIST;
+   Eina_Stringshare *name;
+   Eina_Stringshare *value;
+   Eina_Bool execute : 1;
+};
+
 #undef EAPI
 #define EAPI
 
diff --git a/src/lib/evas/include/evas_private.h b/src/lib/evas/include/evas_private.h
index c94c5edbd4..872dbade8e 100644
--- a/src/lib/evas/include/evas_private.h
+++ b/src/lib/evas/include/evas_private.h
@@ -78,6 +78,7 @@ typedef struct _Evas_Object_Protected_Data  Evas_Object_Protected_Data;
 
 typedef struct _Evas_Filter_Program         Evas_Filter_Program;
 typedef struct _Evas_Object_Filter_Data     Evas_Object_Filter_Data;
+typedef struct _Evas_Filter_Data_Binding    Evas_Filter_Data_Binding;
 
 // 3D stuff
 
@@ -1178,7 +1179,7 @@ struct _Evas_Object_Filter_Data
    Eina_Stringshare    *code;
    Evas_Filter_Program *chain;
    Eina_Hash           *sources; // Evas_Filter_Proxy_Binding
-   Eina_Hash           *data; // str -> str
+   Eina_Inlist         *data; // Evas_Filter_Data_Binding
    void                *output;
    struct {
       struct {