X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=doc%2Fhtml%2Fada%2Fterminal_interface-curses-forms-field_types__adb.htm;h=c028825d4cfb1a18cd65df6f37e0e1295ba830e7;hp=0f11e4faaa1d41555a54231dc94121e216de6862;hb=91e462de27aeecd5b1c8965a6dba078f7a438003;hpb=77afe78361875f531dc2bf8d73f2e781c8e76176
diff --git a/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm b/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm
index 0f11e4fa..c028825d 100644
--- a/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm
+++ b/doc/html/ada/terminal_interface-curses-forms-field_types__adb.htm
@@ -1,302 +1,288 @@
-
-terminal_interface-curses-forms-field_types.adb
-
-
File : terminal_interface-curses-forms-field_types.adb
-
-------------------------------------------------------------------------------
--- --
--- GNAT ncurses Binding --
--- --
--- Terminal_Interface.Curses.Forms.Field_Types --
--- --
--- B O D Y --
--- --
-------------------------------------------------------------------------------
--- Copyright (c) 1998-2008,2009 Free Software Foundation, Inc. --
--- --
--- Permission is hereby granted, free of charge, to any person obtaining a --
--- copy of this software and associated documentation files (the --
--- "Software"), to deal in the Software without restriction, including --
--- without limitation the rights to use, copy, modify, merge, publish, --
--- distribute, distribute with modifications, sublicense, and/or sell --
--- copies of the Software, and to permit persons to whom the Software is --
--- furnished to do so, subject to the following conditions: --
--- --
--- The above copyright notice and this permission notice shall be included --
--- in all copies or substantial portions of the Software. --
--- --
--- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
--- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
--- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
--- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
--- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
--- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
--- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
--- --
--- Except as contained in this notice, the name(s) of the above copyright --
--- holders shall not be used in advertising or otherwise to promote the --
--- sale, use or other dealings in this Software without prior written --
--- authorization. --
-------------------------------------------------------------------------------
--- Author: Juergen Pfeifer, 1996
--- Version Control:
--- @Revision: 1.21 @
--- @Date: 2009/12/26 17:38:58 @
--- Binding Version 01.00
-------------------------------------------------------------------------------
-with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
+
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+terminal_interface-curses-forms-field_types.adb
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File : terminal_interface-curses-forms-field_types.adb
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+with Terminal_Interface.Curses.Aux; use Terminal_Interface.Curses.Aux;
with Ada.Unchecked_Deallocation;
-with Ada.Unchecked_Conversion;
--- |
--- |=====================================================================
--- | man page form_fieldtype.3x
--- |=====================================================================
--- |
-package body Terminal_Interface.Curses.Forms.Field_Types is
+with System.Address_To_Access_Conversions;
+
+
+
+
+
+
+package body Terminal_Interface.Curses.Forms.Field_Types is
use type System.Address;
- pragma Warnings (Off);
- function To_Argument_Access is new Ada.Unchecked_Conversion
- (System.Address, Argument_Access);
- pragma Warnings (On);
+ package Argument_Conversions is
+ new System.Address_To_Access_Conversions (Argument);
- function Get_Fieldtype (F : Field) return C_Field_Type;
+ function Get_Fieldtype (F : Field) return C_Field_Type;
pragma Import (C, Get_Fieldtype, "field_type");
- function Get_Arg (F : Field) return System.Address;
+ function Get_Arg (F : Field) return System.Address;
pragma Import (C, Get_Arg, "field_arg");
- -- |
- -- |=====================================================================
- -- | man page form_field_validation.3x
- -- |=====================================================================
- -- |
- -- |
- -- |
- function Get_Type (Fld : Field) return Field_Type_Access
+
+
+
+
+
+
+
+ function Get_Type (Fld : Field) return Field_Type_Access
is
- Low_Level : constant C_Field_Type := Get_Fieldtype (Fld);
- Arg : Argument_Access;
+ Low_Level : constant C_Field_Type := Get_Fieldtype (Fld);
+ Arg : Argument_Access;
begin
- if Low_Level = Null_Field_Type then
+ if Low_Level = Null_Field_Type then
return null;
else
- if Low_Level = M_Builtin_Router or else
- Low_Level = M_Generic_Type or else
- Low_Level = M_Choice_Router or else
- Low_Level = M_Generic_Choice then
- Arg := To_Argument_Access (Get_Arg (Fld));
- if Arg = null then
- raise Form_Exception;
+ if Low_Level = M_Builtin_Router or else
+ Low_Level = M_Generic_Type or else
+ Low_Level = M_Choice_Router or else
+ Low_Level = M_Generic_Choice
+ then
+ Arg := Argument_Access
+ (Argument_Conversions.To_Pointer (Get_Arg (Fld)));
+ if Arg = null then
+ raise Form_Exception;
else
- return Arg.Typ;
+ return Arg.all.Typ;
end if;
else
- raise Form_Exception;
+ raise Form_Exception;
end if;
end if;
- end Get_Type;
-
- function Make_Arg (Args : System.Address) return System.Address
- is
- -- Actually args is a double indirected pointer to the arguments
- -- of a C variable argument list. In theory it is now quite
- -- complicated to write portable routine that reads the arguments,
- -- because one has to know the growth direction of the stack and
- -- the sizes of the individual arguments.
- -- Fortunately we are only interested in the first argument (#0),
- -- we know its size and for the first arg we don't care about
- -- into which stack direction we have to proceed. We simply
- -- resolve the double indirection and thats it.
- type V is access all System.Address;
- function To_Access is new Ada.Unchecked_Conversion (System.Address,
- V);
- begin
- return To_Access (To_Access (Args).all).all;
- end Make_Arg;
+ end Get_Type;
- function Copy_Arg (Usr : System.Address) return System.Address
+ function Copy_Arg (Usr : System.Address) return System.Address
is
begin
- return Usr;
- end Copy_Arg;
+ return Usr;
+ end Copy_Arg;
- procedure Free_Arg (Usr : System.Address)
+ procedure Free_Arg (Usr : System.Address)
is
procedure Free_Type is new Ada.Unchecked_Deallocation
- (Field_Type'Class, Field_Type_Access);
+ (Field_Type'Class, Field_Type_Access);
procedure Freeargs is new Ada.Unchecked_Deallocation
- (Argument, Argument_Access);
+ (Argument, Argument_Access);
- To_Be_Free : Argument_Access := To_Argument_Access (Usr);
- Low_Level : C_Field_Type;
+ To_Be_Free : Argument_Access
+ := Argument_Access (Argument_Conversions.To_Pointer (Usr));
+ Low_Level : C_Field_Type;
begin
- if To_Be_Free /= null then
- if To_Be_Free.Usr /= System.Null_Address then
- Low_Level := To_Be_Free.Cft;
- if Low_Level.Freearg /= null then
- Low_Level.Freearg (To_Be_Free.Usr);
+ if To_Be_Free /= null then
+ if To_Be_Free.all.Usr /= System.Null_Address then
+ Low_Level := To_Be_Free.all.Cft;
+ if Low_Level.all.Freearg /= null then
+ Low_Level.all.Freearg (To_Be_Free.all.Usr);
end if;
end if;
- if To_Be_Free.Typ /= null then
- Free_Type (To_Be_Free.Typ);
+ if To_Be_Free.all.Typ /= null then
+ Free_Type (To_Be_Free.all.Typ);
end if;
- Freeargs (To_Be_Free);
+ Freeargs (To_Be_Free);
end if;
- end Free_Arg;
+ end Free_Arg;
- procedure Wrap_Builtin (Fld : Field;
- Typ : Field_Type'Class;
- Cft : C_Field_Type := C_Builtin_Router)
+ procedure Wrap_Builtin (Fld : Field;
+ Typ : Field_Type'Class;
+ Cft : C_Field_Type := C_Builtin_Router)
is
- Usr_Arg : constant System.Address := Get_Arg (Fld);
- Low_Level : constant C_Field_Type := Get_Fieldtype (Fld);
- Arg : Argument_Access;
- Res : Eti_Error;
- function Set_Fld_Type (F : Field := Fld;
- Cf : C_Field_Type := Cft;
- Arg1 : Argument_Access) return C_Int;
- pragma Import (C, Set_Fld_Type, "set_field_type");
+ Usr_Arg : constant System.Address := Get_Arg (Fld);
+ Low_Level : constant C_Field_Type := Get_Fieldtype (Fld);
+ Arg : Argument_Access;
+ function Set_Fld_Type (F : Field := Fld;
+ Cf : C_Field_Type := Cft;
+ Arg1 : Argument_Access) return Eti_Error;
+ pragma Import (C, Set_Fld_Type, "set_field_type_user");
begin
- pragma Assert (Low_Level /= Null_Field_Type);
- if Cft /= C_Builtin_Router and then Cft /= C_Choice_Router then
- raise Form_Exception;
+ pragma Assert (Low_Level /= Null_Field_Type);
+ if Cft /= C_Builtin_Router and then Cft /= C_Choice_Router then
+ raise Form_Exception;
else
- Arg := new Argument'(Usr => System.Null_Address,
- Typ => new Field_Type'Class'(Typ),
- Cft => Get_Fieldtype (Fld));
- if Usr_Arg /= System.Null_Address then
- if Low_Level.Copyarg /= null then
- Arg.Usr := Low_Level.Copyarg (Usr_Arg);
+ Arg := new Argument'(Usr => System.Null_Address,
+ Typ => new Field_Type'Class'(Typ),
+ Cft => Get_Fieldtype (Fld));
+ if Usr_Arg /= System.Null_Address then
+ if Low_Level.all.Copyarg /= null then
+ Arg.all.Usr := Low_Level.all.Copyarg (Usr_Arg);
else
- Arg.Usr := Usr_Arg;
+ Arg.all.Usr := Usr_Arg;
end if;
end if;
- Res := Set_Fld_Type (Arg1 => Arg);
- if Res /= E_Ok then
- Eti_Exception (Res);
- end if;
+ Eti_Exception (Set_Fld_Type (Arg1 => Arg));
end if;
- end Wrap_Builtin;
+ end Wrap_Builtin;
- function Field_Check_Router (Fld : Field;
- Usr : System.Address) return C_Int
+ function Field_Check_Router (Fld : Field;
+ Usr : System.Address) return Curses_Bool
is
- Arg : constant Argument_Access := To_Argument_Access (Usr);
+ Arg : constant Argument_Access
+ := Argument_Access (Argument_Conversions.To_Pointer (Usr));
begin
- pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type
- and then Arg.Typ /= null);
- if Arg.Cft.Fcheck /= null then
- return Arg.Cft.Fcheck (Fld, Arg.Usr);
+ pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type
+ and then Arg.all.Typ /= null);
+ if Arg.all.Cft.all.Fcheck /= null then
+ return Arg.all.Cft.all.Fcheck (Fld, Arg.all.Usr);
else
return 1;
end if;
- end Field_Check_Router;
+ end Field_Check_Router;
- function Char_Check_Router (Ch : C_Int;
- Usr : System.Address) return C_Int
+ function Char_Check_Router (Ch : C_Int;
+ Usr : System.Address) return Curses_Bool
is
- Arg : constant Argument_Access := To_Argument_Access (Usr);
+ Arg : constant Argument_Access
+ := Argument_Access (Argument_Conversions.To_Pointer (Usr));
begin
- pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type
- and then Arg.Typ /= null);
- if Arg.Cft.Ccheck /= null then
- return Arg.Cft.Ccheck (Ch, Arg.Usr);
+ pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type
+ and then Arg.all.Typ /= null);
+ if Arg.all.Cft.all.Ccheck /= null then
+ return Arg.all.Cft.all.Ccheck (Ch, Arg.all.Usr);
else
return 1;
end if;
- end Char_Check_Router;
+ end Char_Check_Router;
- function Next_Router (Fld : Field;
- Usr : System.Address) return C_Int
+ function Next_Router (Fld : Field;
+ Usr : System.Address) return Curses_Bool
is
- Arg : constant Argument_Access := To_Argument_Access (Usr);
+ Arg : constant Argument_Access
+ := Argument_Access (Argument_Conversions.To_Pointer (Usr));
begin
- pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type
- and then Arg.Typ /= null);
- if Arg.Cft.Next /= null then
- return Arg.Cft.Next (Fld, Arg.Usr);
+ pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type
+ and then Arg.all.Typ /= null);
+ if Arg.all.Cft.all.Next /= null then
+ return Arg.all.Cft.all.Next (Fld, Arg.all.Usr);
else
return 1;
end if;
- end Next_Router;
+ end Next_Router;
- function Prev_Router (Fld : Field;
- Usr : System.Address) return C_Int
+ function Prev_Router (Fld : Field;
+ Usr : System.Address) return Curses_Bool
is
- Arg : constant Argument_Access := To_Argument_Access (Usr);
+ Arg : constant Argument_Access :=
+ Argument_Access (Argument_Conversions.To_Pointer (Usr));
begin
- pragma Assert (Arg /= null and then Arg.Cft /= Null_Field_Type
- and then Arg.Typ /= null);
- if Arg.Cft.Prev /= null then
- return Arg.Cft.Prev (Fld, Arg.Usr);
+ pragma Assert (Arg /= null and then Arg.all.Cft /= Null_Field_Type
+ and then Arg.all.Typ /= null);
+ if Arg.all.Cft.all.Prev /= null then
+ return Arg.all.Cft.all.Prev (Fld, Arg.all.Usr);
else
return 1;
end if;
- end Prev_Router;
+ end Prev_Router;
- -- -----------------------------------------------------------------------
- --
- function C_Builtin_Router return C_Field_Type
+
+
+ function C_Builtin_Router return C_Field_Type
is
- Res : Eti_Error;
- T : C_Field_Type;
+ T : C_Field_Type;
begin
- if M_Builtin_Router = Null_Field_Type then
- T := New_Fieldtype (Field_Check_Router'Access,
- Char_Check_Router'Access);
- if T = Null_Field_Type then
- raise Form_Exception;
+ if M_Builtin_Router = Null_Field_Type then
+ T := New_Fieldtype (Field_Check_Router'Access,
+ Char_Check_Router'Access);
+ if T = Null_Field_Type then
+ raise Form_Exception;
else
- Res := Set_Fieldtype_Arg (T,
- Make_Arg'Access,
- Copy_Arg'Access,
- Free_Arg'Access);
- if Res /= E_Ok then
- Eti_Exception (Res);
- end if;
+ Eti_Exception (Set_Fieldtype_Arg (T,
+ Make_Arg'Access,
+ Copy_Arg'Access,
+ Free_Arg'Access));
end if;
- M_Builtin_Router := T;
+ M_Builtin_Router := T;
end if;
- pragma Assert (M_Builtin_Router /= Null_Field_Type);
- return M_Builtin_Router;
- end C_Builtin_Router;
+ pragma Assert (M_Builtin_Router /= Null_Field_Type);
+ return M_Builtin_Router;
+ end C_Builtin_Router;
- -- -----------------------------------------------------------------------
- --
- function C_Choice_Router return C_Field_Type
+
+
+ function C_Choice_Router return C_Field_Type
is
- Res : Eti_Error;
- T : C_Field_Type;
+ T : C_Field_Type;
begin
- if M_Choice_Router = Null_Field_Type then
- T := New_Fieldtype (Field_Check_Router'Access,
- Char_Check_Router'Access);
- if T = Null_Field_Type then
- raise Form_Exception;
+ if M_Choice_Router = Null_Field_Type then
+ T := New_Fieldtype (Field_Check_Router'Access,
+ Char_Check_Router'Access);
+ if T = Null_Field_Type then
+ raise Form_Exception;
else
- Res := Set_Fieldtype_Arg (T,
- Make_Arg'Access,
- Copy_Arg'Access,
- Free_Arg'Access);
- if Res /= E_Ok then
- Eti_Exception (Res);
- end if;
+ Eti_Exception (Set_Fieldtype_Arg (T,
+ Make_Arg'Access,
+ Copy_Arg'Access,
+ Free_Arg'Access));
- Res := Set_Fieldtype_Choice (T,
- Next_Router'Access,
- Prev_Router'Access);
- if Res /= E_Ok then
- Eti_Exception (Res);
- end if;
+ Eti_Exception (Set_Fieldtype_Choice (T,
+ Next_Router'Access,
+ Prev_Router'Access));
end if;
- M_Choice_Router := T;
+ M_Choice_Router := T;
end if;
- pragma Assert (M_Choice_Router /= Null_Field_Type);
- return M_Choice_Router;
- end C_Choice_Router;
+ pragma Assert (M_Choice_Router /= Null_Field_Type);
+ return M_Choice_Router;
+ end C_Choice_Router;
-end Terminal_Interface.Curses.Forms.Field_Types;
-
+end Terminal_Interface.Curses.Forms.Field_Types;
+