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/* Part of SWI-Prolog
Author: Jan Wielemaker
E-mail: J.Wielemaker@vu.nl
WWW: http://www.swi-prolog.org
Copyright (c) 2011-2020, University of Amsterdam
CWI, Amsterdam
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
This module requires plregtry.ddl, for which the sources are in the
dlldemo directory.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
:- module(win_registry,
[ registry_get_key/2, % +Path, -Value
registry_get_key/3, % +Path, +Name, -Value
registry_set_key/2, % +Path, +Value
registry_set_key/3, % +Path, +Name, +Value
registry_delete_key/1, % +Path
registry_lookup_key/3, % +Path, +Access, -Key
win_flush_filetypes/0, % Flush changes filetypes to shell
shell_register_file_type/4, % +Ext, +Type, +Name, +Open
shell_register_file_type/5, % +Ext, +Type, +Name, +Open, +Icon
shell_register_dde/6, % +Type, +Action,
% +Service, Topic, +DDECommand
% +IfNotRunning
shell_register_prolog/1 % +Extension
]).
:- autoload(library(lists),[member/2]).
:- use_foreign_library(foreign(plregtry)). % load plregtry.ddl
/*******************************
* REGISTER PROLOG *
*******************************/
shell_register_prolog(Ext) :-
current_prolog_flag(executable, Me),
atomic_list_concat(['"', Me, '" "%1"'], OpenCommand),
atom_concat(Me, ',0', Icon),
shell_register_file_type(Ext, 'prolog.type', 'Prolog Source',
OpenCommand, Icon),
shell_register_dde('prolog.type', consult,
prolog, control, 'consult(''%1'')', Me),
shell_register_dde('prolog.type', edit,
prolog, control, 'edit(''%1'')', Me),
win_flush_filetypes.
/*******************************
* WINDOWS SHELL STUFF *
*******************************/
%! shell_register_file_type(+Ext, +Type, +Name, +Open) is det.
%! shell_register_file_type(+Ext, +Type, +Name, +Open, +Icon) is det.
%
% Register an extension to a type. The open command for the type
% is defined and files with this extension will be given Name as
% their description in the explorer. For example:
%
% ==
% ?- shell_register_file_type(pl, 'prolog.type', 'Prolog Source',
% '"c:\\pl\\bin\\plwin.exe" "%1"').
% ==
%
% The icon command is of the form File.exe,N or File.ico,0
shell_register_file_type(Ext, Type, Name, Open) :-
ensure_dot(Ext, DExt),
registry_set_key(classes_root/DExt, Type),
registry_set_key(classes_root/Type, Name),
registry_set_key(classes_root/Type/shell/open/command, Open),
win_flush_filetypes.
shell_register_file_type(Ext, Type, Name, Open, Icon) :-
shell_register_file_type(Ext, Type, Name, Open),
registry_set_key(classes_root/Type/'DefaultIcon', Icon),
win_flush_filetypes.
ensure_dot(Ext, Ext) :-
atom_concat('.', _, Ext),
!.
ensure_dot(Ext, DExt) :-
atom_concat('.', Ext, DExt).
%! shell_register_dde(+Type, +Action, +Service,
%! +Topic, +DDECommand, +IfNotRunning) is det.
%
% Register a DDE command for the type. The example below will
% send DDE_EXECUTE command `consult('<File>') to the service
% prolog, given the topic control.
%
% ==
% shell_register_dde('prolog.type', consult,
% prolog, control, 'consult(''%1'')',
% 'c:\\pl\\bin\\plwin.exe -g "edit(''%1'')"').
% ==
shell_register_dde(Type, Action, Service, Topic, DDECommand, IfNotRunning) :-
registry_make_key(classes_root/Type/shell/Action/ddeexec,
all_access, EKey),
registry_set_key(classes_root/Type/shell/Action/command, IfNotRunning),
reg_set_value(EKey, '', DDECommand),
registry_set_key(EKey/'Application', Service),
registry_set_key(EKey/ifexec, ''),
registry_set_key(EKey/topic, Topic),
reg_close_key(EKey).
/*******************************
* REGISTRY STUFF *
*******************************/
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
In the commands below, Path refers to the path-name of the registry. A
path is a '/' separated description, where the / should be interpreted
as a Prolog operator. For example, classes_root/'prolog.type'/shell. The
components should be atoms.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
%! registry_set_key(+Path, +Value) is det.
%! registry_set_key(+Path, +Name, +Value) is det.
%
% Associate a (string) value with the key described by Path. If
% part of the path does not exist, the required keys will be created.
registry_set_key(Path, Value) :-
registry_set_key(Path, '', Value).
registry_set_key(Path, Name, Value) :-
registry_make_key(Path, write, Key, Close),
reg_set_value(Key, Name, Value),
Close.
%! registry_get_key(+Path, -Value) is semidet.
%! registry_get_key(+Path, +Name, -Value) is semidet.
%
% Get the value associated with the given key. If the key does not
% exists, the predicate fails silently.
registry_get_key(Path, Value) :-
registry_get_key(Path, '', Value).
registry_get_key(Path, Name, Value) :-
registry_lookup_key(Path, read, Key, Close),
( reg_value(Key, Name, RawVal)
-> Close,
Value = RawVal
; Close,
fail
).
%! registry_delete_key(+Path)
%
% Delete the gven key and all its subkeys and values. Note that
% the root-keys cannot be deleted.
registry_delete_key(Parent/Node) :-
!,
registry_lookup_key(Parent, all_access, PKey),
( reg_open_key(PKey, Node, all_access, Key)
-> delete_subkeys(Key),
reg_close_key(Key),
reg_delete_key(PKey, Node)
),
reg_close_key(PKey).
delete_subkeys(Parent) :-
reg_subkeys(Parent, Subs),
forall(member(Sub, Subs),
delete_subkey(Parent, Sub)).
delete_subkey(Parent, Sub) :-
reg_open_key(Parent, Sub, all_access, Key),
delete_subkeys(Key),
reg_close_key(Key),
reg_delete_key(Parent, Sub).
%! registry_make_key(+Path, +Access, -Key)
%
% Open the given key and create required keys if the path does not
% exist.
registry_make_key(Path, Access, Key) :-
registry_make_key(Path, Access, Key, _).
registry_make_key(A/B, Access, Key, Close) :-
!,
registry_make_key(A, Access, Parent, CloseParent),
( reg_open_key(Parent, B, Access, RawKey)
-> true
; reg_create_key(Parent, B, '', [], Access, RawKey)
),
CloseParent,
Close = reg_close_key(RawKey),
Key = RawKey.
registry_make_key(Key, _, Key, true).
%! registry_lookup_key(+Path, +Access, -Key)
%
% Open the given key, fail silently if the key doesn't
% exist.
registry_lookup_key(Path, Access, Key) :-
registry_lookup_key(Path, Access, Key, _).
registry_lookup_key(A/B, Access, Key, Close) :-
!,
registry_lookup_key(A, Access, Parent, CloseParent),
reg_open_key(Parent, B, Access, RawKey),
CloseParent,
Close = reg_close_key(RawKey),
Key = RawKey.
registry_lookup_key(Key, _, Key, true).
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