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path: root/src/bin/eolian/legacy_generator.c
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#include <Eina.h>
#include <string.h>

#include "Eolian.h"

#include "legacy_generator.h"
#include "eo1_generator.h"
#include "common_funcs.h"

static const char
tmpl_eapi_funcdef[] = "\n\
/**\n\
 *\n\
@#desc\n\
 *\n\
@#list_desc_param\
 */\n\
EAPI @#type_return @#class_@#func(@#is_constEvas_Object *obj@#params);\n\
";

/*@#CLASS_CHECK(obj) @#check_ret;\n\*/
static const char
tmpl_eapi_body[] ="\
\n\
EAPI @#ret_type\n\
@#eapi_prefix_@#func(@#is_constEvas_Object *obj@#full_params)\n\
{\n\
@#ret_init_val\
   eo_do((Eo *) obj, @#eoprefix_@#func(@#eo_params));\n\
   return @#ret_val;\n\
}\n\
";

static void
_eapi_decl_func_generate(const char *classname, Eolian_Function funcid, Eolian_Function_Type ftype, Eina_Strbuf *buf)
{
   //TODO return value
   const char *suffix = "";
   const char *umpr = NULL;
   const char *rettype = NULL;
   const char *func_lpref = NULL;
   Eina_Bool var_as_ret = EINA_FALSE;

   rettype = eolian_function_return_type_get(funcid, ftype);
   if (rettype && !strcmp(rettype, "void")) rettype = NULL;
   if (ftype == GET)
     {
        suffix = "_get";
        umpr = "*";
        func_lpref = eolian_function_data_get(funcid, EOLIAN_LEGACY_GET);
        if (!rettype)
          {
             const Eina_List *l = eolian_parameters_list_get(funcid);
             if (eina_list_count(l) == 1)
               {
                  void* data = eina_list_data_get(l);
                  eolian_parameter_information_get((Eolian_Function_Parameter)data, NULL, &rettype, NULL, NULL);
                  var_as_ret = EINA_TRUE;
               }
          }
     }

   if (ftype == SET)
     {
        suffix = "_set";
        umpr = "";
        func_lpref = eolian_function_data_get(funcid, EOLIAN_LEGACY_SET);
     }

   func_lpref = (func_lpref) ? func_lpref : eolian_function_data_get(funcid, EOLIAN_LEGACY);
   func_lpref = (func_lpref) ? func_lpref : eolian_class_legacy_prefix_get(classname);

   if (!func_lpref) func_lpref = classname;

   Eina_Strbuf *fbody = eina_strbuf_new();
   Eina_Strbuf *fparam = eina_strbuf_new();
   Eina_Strbuf *descparam = eina_strbuf_new();

   char tmpstr[0xFF];
   sprintf (tmpstr, "%s%s", eolian_function_name_get(funcid), suffix);
   _template_fill(fbody, tmpl_eapi_funcdef, func_lpref, tmpstr, EINA_FALSE);
   sprintf (tmpstr, "comment%s", suffix);

   const char *desc = eolian_function_description_get(funcid, tmpstr);
   Eina_Strbuf *linedesc = eina_strbuf_new();
   eina_strbuf_append(linedesc, desc ? desc : "");
   if (eina_strbuf_length_get(linedesc))
     {
        eina_strbuf_replace_all(linedesc, "\n", "\n * ");
        eina_strbuf_prepend(linedesc," * ");
     }

   eina_strbuf_replace_all(fbody, "@#desc", eina_strbuf_string_get(linedesc));
   eina_strbuf_free(linedesc);

   const Eina_List *l;
   void *data;

   EINA_LIST_FOREACH(eolian_property_keys_list_get(funcid), l, data)
     {
        const char *pname;
        const char *pdesc;
        const char *ptype;
        eolian_parameter_information_get((Eolian_Function_Parameter)data, NULL, &ptype, &pname, &pdesc);
        eina_strbuf_append_printf(fparam, ", %s%s %s",
              eolian_parameter_get_const_attribute_get(data)?"const":"",
              ptype, pname);
        eina_strbuf_append_printf(descparam, " * @param %s\n", pname);
     }
   if (!var_as_ret)
     {
       EINA_LIST_FOREACH(eolian_parameters_list_get(funcid), l, data)
         {
            const char *pname;
            const char *pdesc;
            const char *ptype;
            Eolian_Parameter_Dir pdir;
            eolian_parameter_information_get((Eolian_Function_Parameter)data, &pdir, &ptype, &pname, &pdesc);
            const char *ptrstr = (umpr) ? umpr : ( (pdir == EOLIAN_IN_PARAM) ? "" : "*" );
            eina_strbuf_append_printf(fparam, ", %s%s%s %s",
                  eolian_parameter_get_const_attribute_get(data)?"const":"",
                  ptype, ptrstr, pname);
            eina_strbuf_append_printf(descparam, " * @param %s\n", pname);
         }
     }
   eina_strbuf_replace_all(fbody, "@#params", eina_strbuf_string_get(fparam));
   eina_strbuf_replace_all(fbody, "@#list_desc_param", eina_strbuf_string_get(descparam));
   eina_strbuf_replace_all(fbody, "@#type_return", (rettype) ? rettype : "void");
   eina_strbuf_replace_all(fbody, "@#is_const", (ftype == GET || eolian_function_object_is_const(funcid)) ? "const " : "");
   eina_strbuf_append(buf, eina_strbuf_string_get(fbody));

   eina_strbuf_free(fbody);
   eina_strbuf_free(fparam);
   eina_strbuf_free(descparam);
}

static void
_eapi_func_generate(const char *classname, Eolian_Function funcid, Eolian_Function_Type ftype, Eina_Strbuf *buf)
{
   //TODO return value
   const char *suffix = "";
   const char *umpr = NULL;
   const char *func_lpref = NULL;
   Eina_Bool var_as_ret = EINA_FALSE;
   const char *rettype = NULL;
   const char *retname = NULL;
   Eina_Bool ret_const = EINA_FALSE;

   rettype = eolian_function_return_type_get(funcid, ftype);
   if (rettype && !strcmp(rettype, "void")) rettype = NULL;
   retname = "ret";
   if (ftype == GET)
     {
        suffix = "_get";
        umpr = "*";
        func_lpref = eolian_function_data_get(funcid, EOLIAN_LEGACY_GET);
        if (!rettype)
          {
             const Eina_List *l = eolian_parameters_list_get(funcid);
             if (eina_list_count(l) == 1)
               {
                  void* data = eina_list_data_get(l);
                  eolian_parameter_information_get((Eolian_Function_Parameter)data, NULL, &rettype, &retname, NULL);
                  var_as_ret = EINA_TRUE;
                  ret_const = eolian_parameter_get_const_attribute_get(data);
               }
          }
     }
   if (ftype == SET)
     {
        suffix = "_set";
        umpr = "";
        func_lpref = eolian_function_data_get(funcid, EOLIAN_LEGACY_SET);
     }

   func_lpref = (func_lpref) ? func_lpref : eolian_function_data_get(funcid, EOLIAN_LEGACY);
   func_lpref = (func_lpref) ? func_lpref : eolian_class_legacy_prefix_get(classname);

   Eina_Strbuf *fbody = eina_strbuf_new();
   Eina_Strbuf *fparam = eina_strbuf_new();
   Eina_Strbuf *eoparam = eina_strbuf_new();

   char tmpstr[0xFF];
   sprintf (tmpstr, "%s%s", eolian_function_name_get(funcid), suffix);
   _template_fill(fbody, tmpl_eapi_body, classname, tmpstr, EINA_FALSE);

   if (!func_lpref)
     {
        strcpy(tmpstr, classname);
        char *p = tmpstr;
        eina_str_tolower(&p);
        func_lpref = tmpstr;
     }
   eina_strbuf_replace_all(fbody, "@#eapi_prefix", func_lpref);

   const Eina_List *l;
   void *data;

   tmpstr[0] = '\0';

   EINA_LIST_FOREACH(eolian_property_keys_list_get(funcid), l, data)
     {
        const char *pname;
        const char *ptype;
        eolian_parameter_information_get((Eolian_Function_Parameter)data, NULL, &ptype, &pname, NULL);
        eina_strbuf_append_printf(fparam, ", %s%s %s",
              ftype == GET && eolian_parameter_get_const_attribute_get(data)?"const ":"",
              ptype, pname);
        if (eina_strbuf_length_get(eoparam)) eina_strbuf_append(eoparam, ", ");
        eina_strbuf_append_printf(eoparam, "%s", pname);
     }
   if (!var_as_ret)
   {
       EINA_LIST_FOREACH(eolian_parameters_list_get(funcid), l, data)
         {
            const char *pname;
            const char *ptype;
            Eolian_Parameter_Dir pdir;
            eolian_parameter_information_get((Eolian_Function_Parameter)data, &pdir, &ptype, &pname, NULL);
            const char *ptrstr = (umpr) ? umpr : ( (pdir == EOLIAN_IN_PARAM) ? "" : "*" );
            eina_strbuf_append_printf(fparam, ", %s%s%s %s",
                  ftype == GET && eolian_parameter_get_const_attribute_get(data)?"const ":"",
                  ptype, ptrstr, pname);
            if (eina_strbuf_length_get(eoparam)) eina_strbuf_append(eoparam, ", ");
            eina_strbuf_append_printf(eoparam, "%s", pname);
         }
   }

   char tmp_ret_str[0xFF];
   sprintf (tmp_ret_str, "%s%s", ret_const?"const ":"", rettype?rettype:"void");
   if (rettype && strcmp(rettype, "void"))
     {
        if (eina_strbuf_length_get(eoparam)) eina_strbuf_append(eoparam, ", ");
        sprintf (tmpstr, "   %s%s %s;\n", ret_const?"const ":"", rettype, retname);
        eina_strbuf_append_printf(eoparam, "&%s", retname);
     }

   eina_strbuf_replace_all(fbody, "@#full_params", eina_strbuf_string_get(fparam));
   eina_strbuf_replace_all(fbody, "@#eo_params", eina_strbuf_string_get(eoparam));
   eina_strbuf_replace_all(fbody, "@#ret_type", tmp_ret_str);
   eina_strbuf_replace_all(fbody, "@#ret_init_val", tmpstr);
   eina_strbuf_replace_all(fbody, "@#ret_val", (rettype) ? retname : "");
   eina_strbuf_replace_all(fbody, "@#is_const", (ftype == GET || eolian_function_object_is_const(funcid)) ? "const " : "");

   tmpstr[0] = '\0';
   if (rettype) sprintf (tmpstr, "(%s)(0)", rettype);
   eina_strbuf_replace_all(fbody, "@#check_ret", tmpstr);

   eina_strbuf_append(buf, eina_strbuf_string_get(fbody));

   eina_strbuf_free(fbody);
   eina_strbuf_free(fparam);
   eina_strbuf_free(eoparam);
}

//TODO change replacement
static char*
_class_h_find(const char *classname, Eina_Strbuf *buf)
{
   Eina_Strbuf *classreal = eina_strbuf_new();
   _template_fill(classreal, "@#OBJCLASS_CLASS", classname, "", EINA_FALSE);
   char *ret = strstr(eina_strbuf_string_get(buf), eina_strbuf_string_get(classreal));
   eina_strbuf_free(classreal);

   return ret;
}

Eina_Bool
legacy_header_generate(const char *classname, int eo_version, Eina_Strbuf *buf)
{
   const Eolian_Function_Type ftype_order[] = {PROPERTY_FUNC, METHOD_FUNC};
   const Eina_List *l;
   void *data;

   if (!eolian_class_exists(classname))
     {
        printf ("Class \"%s\" not found in database\n", classname);
        return EINA_FALSE;
     }

   int i;
   for (i = 0; i < 2; i++)
      EINA_LIST_FOREACH(eolian_class_functions_list_get(classname, ftype_order[i]), l, data)
        {
           const Eolian_Function_Type ftype = eolian_function_type_get((Eolian_Function)data);
           Eina_Bool prop_read = (ftype == PROPERTY_FUNC || ftype == GET ) ? EINA_TRUE : EINA_FALSE ;
           Eina_Bool prop_write = (ftype == PROPERTY_FUNC || ftype == SET ) ? EINA_TRUE : EINA_FALSE ;

           if (!prop_read && !prop_write)
             {
                _eapi_decl_func_generate(classname, (Eolian_Function)data, UNRESOLVED, buf);
             }
           if (prop_read)
             {
                _eapi_decl_func_generate(classname, (Eolian_Function)data, GET, buf);
             }
           if (prop_write)
             {
                _eapi_decl_func_generate(classname, (Eolian_Function)data, SET, buf);
             }
        }
   return EINA_TRUE;
}

Eina_Bool
legacy_header_append(const char *classname, int eo_version, Eina_Strbuf *header)
{
   const Eolian_Function_Type ftype_order[] = {CONSTRUCTOR, PROPERTY_FUNC, METHOD_FUNC};
   char tmpstr[0xFF];

   if (!eolian_class_exists(classname))
     {
        printf ("Class \"%s\" not found in database\n", classname);
        return EINA_FALSE;
     }

   char *clsptr = _class_h_find(classname, header);

   if (!clsptr)
     {
        printf ("Class %s not found - append all\n", classname);
        eina_strbuf_append_char(header, '\n');
        if (!eo1_header_generate(classname, header)) return EINA_FALSE;
        return EINA_TRUE;
     }

   printf ("Class %s found - searching for functions...\n", classname);

   char *funcdef_pos = _nextline(strstr(clsptr, "+ sub_id)"), 1);
   char *subid_pos = _startline(clsptr, strstr(clsptr, "SUB_ID_LAST"));

   if (!(funcdef_pos && subid_pos) || (subid_pos > funcdef_pos))
     {
       printf ("Bad insertion queues - update aborted\n");
       return EINA_FALSE;
     }

   Eina_Strbuf *str_subid = eina_strbuf_new();
   Eina_Strbuf *str_funcdef = eina_strbuf_new();

   const Eina_List *l;
   void *data;

   int i;
   for (i = 0; i < 3; i++)
      EINA_LIST_FOREACH(eolian_class_functions_list_get(classname, ftype_order[i]), l, data)
        {
           const Eolian_Function_Type ftype = eolian_function_type_get((Eolian_Function)data);
           const char *funcname = eolian_function_name_get((Eolian_Function)data);
           Eina_Bool prop_read = (ftype == PROPERTY_FUNC || ftype == GET ) ? EINA_TRUE : EINA_FALSE ;
           Eina_Bool prop_write = (ftype == PROPERTY_FUNC || ftype == SET ) ? EINA_TRUE : EINA_FALSE ;

           if (!prop_read && !prop_write)
             {
                if (!strstr(eina_strbuf_string_get(header), funcname))
                  {
                     printf ("Appending eo function %s\n", funcname);
                     eo1_enum_append(classname, funcname, str_subid);
                     if (!eo1_fundef_generate(classname, (Eolian_Function)data, UNRESOLVED, str_funcdef)) return EINA_FALSE;
                  }
             }
           if (prop_read)
             {
                sprintf(tmpstr, "%s_get", funcname);
                if (!strstr(eina_strbuf_string_get(header), tmpstr))
                  {
                     printf ("Appending eo function %s\n", tmpstr);
                     eo1_enum_append(classname, tmpstr, str_subid);
                     if (!eo1_fundef_generate(classname, (Eolian_Function)data, GET, str_funcdef)) return EINA_FALSE;
                  }
             }
           if (prop_write)
             {
                sprintf(tmpstr, "%s_set", funcname);
                if (!strstr(eina_strbuf_string_get(header), tmpstr))
                  {
                     printf ("Appending eo function %s\n", tmpstr);
                     eo1_enum_append(classname, tmpstr, str_subid);
                     if (!eo1_fundef_generate(classname, (Eolian_Function)data, SET, str_funcdef)) return EINA_FALSE;
                  }
             }
        }

   const char *hdstr = eina_strbuf_string_get(header);
   unsigned enum_offs = subid_pos - hdstr;
   unsigned defs_offs = funcdef_pos - hdstr + eina_strbuf_length_get(str_subid);
   eina_strbuf_insert(header, eina_strbuf_string_get(str_subid), enum_offs);
   eina_strbuf_insert(header, eina_strbuf_string_get(str_funcdef), defs_offs);

   eina_strbuf_free(str_subid);
   eina_strbuf_free(str_funcdef);

   return EINA_TRUE;
}

Eina_Bool
legacy_source_generate(const char *classname, Eina_Bool legacy, int eo_version, Eina_Strbuf *buf)
{
   const Eina_List *itr;

   if (!eolian_class_exists(classname))
     {
        printf ("Class \"%s\" not found in database\n", classname);
        return EINA_FALSE;
     }

   Eina_Strbuf *tmpbuf = eina_strbuf_new();
   Eina_Strbuf *str_bodyf = eina_strbuf_new();

   if (!eo1_source_beginning_generate(classname, buf)) return EINA_FALSE;

   //Properties
   Eolian_Function fn;
   EINA_LIST_FOREACH(eolian_class_functions_list_get(classname, PROPERTY_FUNC), itr, fn)
     {
        const Eolian_Function_Type ftype = eolian_function_type_get(fn);

        Eina_Bool prop_read = ( ftype == SET ) ? EINA_FALSE : EINA_TRUE;
        Eina_Bool prop_write = ( ftype == GET ) ? EINA_FALSE : EINA_TRUE;

        if (prop_read)
          {
             if (!eo1_bind_func_generate(classname, fn, GET, str_bodyf)) return EINA_FALSE;
             if (legacy) _eapi_func_generate(classname, fn, GET, str_bodyf);
          }
        if (prop_write)
          {
             if (!eo1_bind_func_generate(classname, fn, SET, str_bodyf)) return EINA_FALSE;
             if (legacy) _eapi_func_generate(classname, fn, SET, str_bodyf);
          }
     }

   //Methods
   EINA_LIST_FOREACH(eolian_class_functions_list_get(classname, METHOD_FUNC), itr, fn)
     {
        if (!eo1_bind_func_generate(classname, fn, UNRESOLVED, str_bodyf)) return EINA_FALSE;
        if (legacy) _eapi_func_generate(classname, fn, UNRESOLVED, str_bodyf);
     }

   eina_strbuf_append(buf, eina_strbuf_string_get(str_bodyf));

   if (!eo1_source_end_generate(classname, buf)) return EINA_FALSE;

   eina_strbuf_free(tmpbuf);
   eina_strbuf_free(str_bodyf);

   return EINA_TRUE;
}