with System.WCh_StW; use System.WCh_StW;
with System.WCh_Con; use System.WCh_Con;
with Unchecked_Conversion;
package body System.WWd_Enum is
function Wide_Width_Enumeration_8
(Names : String;
Indexes : System.Address;
Lo, Hi : Natural;
EM : WC_Encoding_Method)
return Natural
is
W : Natural;
type Natural_8 is range 0 .. 2 ** 7 - 1;
type Index_Table is array (Natural) of Natural_8;
type Index_Table_Ptr is access Index_Table;
function To_Index_Table_Ptr is
new Unchecked_Conversion (System.Address, Index_Table_Ptr);
IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
begin
W := 0;
for J in Lo .. Hi loop
declare
WS : constant Wide_String :=
String_To_Wide_String
(Names (Natural (IndexesT (J)) ..
Natural (IndexesT (J + 1)) - 1), EM);
begin
W := Natural'Max (W, WS'Length);
end;
end loop;
return W;
end Wide_Width_Enumeration_8;
function Wide_Width_Enumeration_16
(Names : String;
Indexes : System.Address;
Lo, Hi : Natural;
EM : WC_Encoding_Method)
return Natural
is
W : Natural;
type Natural_16 is range 0 .. 2 ** 15 - 1;
type Index_Table is array (Natural) of Natural_16;
type Index_Table_Ptr is access Index_Table;
function To_Index_Table_Ptr is
new Unchecked_Conversion (System.Address, Index_Table_Ptr);
IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
begin
W := 0;
for J in Lo .. Hi loop
declare
WS : constant Wide_String :=
String_To_Wide_String
(Names (Natural (IndexesT (J)) ..
Natural (IndexesT (J + 1)) - 1), EM);
begin
W := Natural'Max (W, WS'Length);
end;
end loop;
return W;
end Wide_Width_Enumeration_16;
function Wide_Width_Enumeration_32
(Names : String;
Indexes : System.Address;
Lo, Hi : Natural;
EM : WC_Encoding_Method)
return Natural
is
W : Natural;
type Natural_32 is range 0 .. 2 ** 31 - 1;
type Index_Table is array (Natural) of Natural_32;
type Index_Table_Ptr is access Index_Table;
function To_Index_Table_Ptr is
new Unchecked_Conversion (System.Address, Index_Table_Ptr);
IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes);
begin
W := 0;
for J in Lo .. Hi loop
declare
WS : constant Wide_String :=
String_To_Wide_String
(Names (Natural (IndexesT (J)) ..
Natural (IndexesT (J + 1)) - 1), EM);
begin
W := Natural'Max (W, WS'Length);
end;
end loop;
return W;
end Wide_Width_Enumeration_32;
end System.WWd_Enum;