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Start new Bonjour protocol plugin
3 months ago, Elliott Sales de Andrade
d6ed63c2508e
Start new Bonjour protocol plugin
This is mostly copied from the new XMPP protocol plugin, with icons copied from
the existing Bonjour plugin.
The id has a `-nouveau` suffix so that it won't conflict with the existing one.
Testing Done:
Ran `ninja turtles`; checked that an account with the new protocol could be added, though it doesn't do anything.
Reviewed at https://reviews.imfreedom.org/r/2915/
/*
* Purple - Internet Messaging Library
* Copyright (C) Pidgin Developers <devel@pidgin.im>
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this library; if not, see <https://www.gnu.org/licenses/>.
*/
#include
"cmds.h"
#include
"purpleaccount.h"
#include
"purplemarkup.h"
static
GList
*
cmds
=
NULL
;
static
guint
next_id
=
1
;
typedef
struct
{
PurpleCmdId
id
;
gchar
*
cmd
;
gchar
*
args
;
PurpleCmdPriority
priority
;
PurpleCmdFlag
flags
;
gchar
*
protocol_id
;
PurpleCmdFunc
func
;
gchar
*
help
;
void
*
data
;
}
PurpleCmd
;
static
gint
cmds_compare_func
(
const
PurpleCmd
*
a
,
const
PurpleCmd
*
b
)
{
return
b
->
priority
-
a
->
priority
;
}
PurpleCmdId
purple_cmd_register
(
const
gchar
*
cmd
,
const
gchar
*
args
,
PurpleCmdPriority
p
,
PurpleCmdFlag
f
,
const
gchar
*
protocol_id
,
PurpleCmdFunc
func
,
const
gchar
*
helpstr
,
void
*
data
)
{
PurpleCmdId
id
;
PurpleCmd
*
c
;
g_return_val_if_fail
(
cmd
!=
NULL
&&
*
cmd
!=
'\0'
,
0
);
g_return_val_if_fail
(
args
!=
NULL
,
0
);
g_return_val_if_fail
(
func
!=
NULL
,
0
);
id
=
next_id
++
;
c
=
g_new0
(
PurpleCmd
,
1
);
c
->
id
=
id
;
c
->
cmd
=
g_strdup
(
cmd
);
c
->
args
=
g_strdup
(
args
);
c
->
priority
=
p
;
c
->
flags
=
f
;
c
->
protocol_id
=
g_strdup
(
protocol_id
);
c
->
func
=
func
;
c
->
help
=
g_strdup
(
helpstr
);
c
->
data
=
data
;
cmds
=
g_list_insert_sorted
(
cmds
,
c
,
(
GCompareFunc
)
cmds_compare_func
);
purple_signal_emit
(
purple_cmds_get_handle
(),
"cmd-added"
,
cmd
,
p
,
f
);
return
id
;
}
static
void
purple_cmd_free
(
PurpleCmd
*
c
)
{
g_free
(
c
->
cmd
);
g_free
(
c
->
args
);
g_free
(
c
->
protocol_id
);
g_free
(
c
->
help
);
g_free
(
c
);
}
static
gint
purple_cmd_cmp_id
(
gconstpointer
cmd
,
gconstpointer
id
)
{
return
((
PurpleCmd
*
)
cmd
)
->
id
-
GPOINTER_TO_UINT
(
id
);
}
void
purple_cmd_unregister
(
PurpleCmdId
id
)
{
PurpleCmd
*
c
;
GList
*
l
;
l
=
g_list_find_custom
(
cmds
,
GUINT_TO_POINTER
(
id
),
purple_cmd_cmp_id
);
if
(
!
l
)
{
return
;
}
c
=
l
->
data
;
cmds
=
g_list_delete_link
(
cmds
,
l
);
purple_signal_emit
(
purple_cmds_get_handle
(),
"cmd-removed"
,
c
->
cmd
);
purple_cmd_free
(
c
);
}
/*
* This sets args to a NULL-terminated array of strings. It should
* be freed using g_strfreev().
*/
static
gboolean
purple_cmd_parse_args
(
PurpleCmd
*
cmd
,
const
gchar
*
s
,
const
gchar
*
m
,
gchar
***
args
)
{
int
i
;
const
char
*
end
,
*
cur
;
*
args
=
g_new0
(
char
*
,
strlen
(
cmd
->
args
)
+
1
);
cur
=
s
;
for
(
i
=
0
;
cmd
->
args
[
i
];
i
++
)
{
if
(
!*
cur
)
return
(
cmd
->
flags
&
PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS
);
switch
(
cmd
->
args
[
i
])
{
case
'w'
:
if
(
!
(
end
=
strchr
(
cur
,
' '
)))
{
end
=
cur
+
strlen
(
cur
);
(
*
args
)[
i
]
=
g_strndup
(
cur
,
end
-
cur
);
cur
=
end
;
}
else
{
(
*
args
)[
i
]
=
g_strndup
(
cur
,
end
-
cur
);
cur
=
end
+
1
;
}
break
;
case
'W'
:
if
(
!
(
end
=
strchr
(
cur
,
' '
)))
{
end
=
cur
+
strlen
(
cur
);
(
*
args
)[
i
]
=
purple_markup_slice
(
m
,
g_utf8_pointer_to_offset
(
s
,
cur
),
g_utf8_pointer_to_offset
(
s
,
end
));
cur
=
end
;
}
else
{
(
*
args
)[
i
]
=
purple_markup_slice
(
m
,
g_utf8_pointer_to_offset
(
s
,
cur
),
g_utf8_pointer_to_offset
(
s
,
end
));
cur
=
end
+
1
;
}
break
;
case
's'
:
(
*
args
)[
i
]
=
g_strdup
(
cur
);
cur
=
cur
+
strlen
(
cur
);
break
;
case
'S'
:
(
*
args
)[
i
]
=
purple_markup_slice
(
m
,
g_utf8_pointer_to_offset
(
s
,
cur
),
g_utf8_strlen
(
cur
,
-1
)
+
1
);
cur
=
cur
+
strlen
(
cur
);
break
;
}
}
if
(
*
cur
)
return
(
cmd
->
flags
&
PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS
);
return
TRUE
;
}
static
void
purple_cmd_strip_current_char
(
gunichar
c
,
char
*
s
,
guint
len
)
{
int
bytes
;
bytes
=
g_unichar_to_utf8
(
c
,
NULL
);
memmove
(
s
,
s
+
bytes
,
len
+
1
-
bytes
);
}
static
void
purple_cmd_strip_cmd_from_markup
(
char
*
markup
)
{
guint
len
=
strlen
(
markup
);
char
*
s
=
markup
;
while
(
*
s
)
{
gunichar
c
=
g_utf8_get_char
(
s
);
if
(
c
==
'<'
)
{
s
=
strchr
(
s
,
'>'
);
if
(
!
s
)
return
;
}
else
if
(
g_unichar_isspace
(
c
))
{
purple_cmd_strip_current_char
(
c
,
s
,
len
-
(
s
-
markup
));
return
;
}
else
{
purple_cmd_strip_current_char
(
c
,
s
,
len
-
(
s
-
markup
));
continue
;
}
s
=
g_utf8_next_char
(
s
);
}
}
static
gboolean
is_right_type
(
PurpleCmd
*
cmd
,
PurpleConversation
*
conv
)
{
return
(
PURPLE_IS_IM_CONVERSATION
(
conv
)
&&
(
cmd
->
flags
&
PURPLE_CMD_FLAG_IM
))
||
(
PURPLE_IS_CHAT_CONVERSATION
(
conv
)
&&
(
cmd
->
flags
&
PURPLE_CMD_FLAG_CHAT
));
}
static
gboolean
is_right_protocol
(
PurpleCmd
*
cmd
,
PurpleConversation
*
conv
)
{
const
gchar
*
protocol_id
=
purple_account_get_protocol_id
(
purple_conversation_get_account
(
conv
));
return
!
(
cmd
->
flags
&
PURPLE_CMD_FLAG_PROTOCOL_ONLY
)
||
purple_strequal
(
cmd
->
protocol_id
,
protocol_id
);
}
PurpleCmdStatus
purple_cmd_do_command
(
PurpleConversation
*
conv
,
const
gchar
*
cmdline
,
const
gchar
*
markup
,
gchar
**
error
)
{
gchar
*
err
=
NULL
;
gboolean
found
=
FALSE
,
tried_cmd
=
FALSE
,
right_type
=
FALSE
,
right_protocol
=
FALSE
;
gchar
*
cmd
,
*
rest
,
*
mrest
;
PurpleCmdRet
ret
=
PURPLE_CMD_RET_CONTINUE
;
*
error
=
NULL
;
rest
=
strchr
(
cmdline
,
' '
);
if
(
rest
)
{
cmd
=
g_strndup
(
cmdline
,
rest
-
cmdline
);
rest
++
;
}
else
{
cmd
=
g_strdup
(
cmdline
);
rest
=
""
;
}
mrest
=
g_strdup
(
markup
);
purple_cmd_strip_cmd_from_markup
(
mrest
);
for
(
GList
*
l
=
cmds
;
l
;
l
=
l
->
next
)
{
PurpleCmd
*
c
=
l
->
data
;
gchar
**
args
=
NULL
;
if
(
!
purple_strequal
(
c
->
cmd
,
cmd
))
continue
;
found
=
TRUE
;
if
(
!
is_right_type
(
c
,
conv
))
{
continue
;
}
right_type
=
TRUE
;
if
(
!
is_right_protocol
(
c
,
conv
))
{
continue
;
}
right_protocol
=
TRUE
;
/* this checks the allow bad args flag for us */
if
(
!
purple_cmd_parse_args
(
c
,
rest
,
mrest
,
&
args
))
{
g_strfreev
(
args
);
continue
;
}
tried_cmd
=
TRUE
;
ret
=
c
->
func
(
conv
,
cmd
,
args
,
&
err
,
c
->
data
);
g_strfreev
(
args
);
if
(
ret
==
PURPLE_CMD_RET_CONTINUE
)
{
g_free
(
err
);
err
=
NULL
;
continue
;
}
break
;
}
g_free
(
cmd
);
g_free
(
mrest
);
if
(
!
found
)
return
PURPLE_CMD_STATUS_NOT_FOUND
;
if
(
!
right_type
)
return
PURPLE_CMD_STATUS_WRONG_TYPE
;
if
(
!
right_protocol
)
return
PURPLE_CMD_STATUS_WRONG_PROTOCOL
;
if
(
!
tried_cmd
)
return
PURPLE_CMD_STATUS_WRONG_ARGS
;
if
(
ret
!=
PURPLE_CMD_RET_OK
)
{
*
error
=
err
;
if
(
ret
==
PURPLE_CMD_RET_CONTINUE
)
return
PURPLE_CMD_STATUS_NOT_FOUND
;
else
return
PURPLE_CMD_STATUS_FAILED
;
}
return
PURPLE_CMD_STATUS_OK
;
}
gboolean
purple_cmd_execute
(
PurpleCmdId
id
,
PurpleConversation
*
conv
,
const
gchar
*
cmdline
)
{
PurpleCmd
*
cmd
=
NULL
;
PurpleCmdRet
ret
=
PURPLE_CMD_RET_CONTINUE
;
GList
*
l
=
NULL
;
gchar
*
err
=
NULL
;
gchar
**
args
=
NULL
;
l
=
g_list_find_custom
(
cmds
,
GUINT_TO_POINTER
(
id
),
purple_cmd_cmp_id
);
if
(
!
l
)
{
return
FALSE
;
}
cmd
=
l
->
data
;
if
(
!
is_right_type
(
cmd
,
conv
))
{
return
FALSE
;
}
/* XXX: Don't worry much about the markup version of the command
line, there's not a single use case... */
/* this checks the allow bad args flag for us */
if
(
!
purple_cmd_parse_args
(
cmd
,
cmdline
,
cmdline
,
&
args
))
{
g_strfreev
(
args
);
return
FALSE
;
}
ret
=
cmd
->
func
(
conv
,
cmd
->
cmd
,
args
,
&
err
,
cmd
->
data
);
g_free
(
err
);
g_strfreev
(
args
);
return
ret
==
PURPLE_CMD_RET_OK
;
}
GList
*
purple_cmd_list
(
PurpleConversation
*
conv
)
{
GList
*
ret
=
NULL
;
for
(
GList
*
l
=
cmds
;
l
;
l
=
l
->
next
)
{
PurpleCmd
*
c
=
l
->
data
;
if
(
conv
&&
(
!
is_right_type
(
c
,
conv
)
||
!
is_right_protocol
(
c
,
conv
)))
{
continue
;
}
ret
=
g_list_append
(
ret
,
c
->
cmd
);
}
ret
=
g_list_sort
(
ret
,
(
GCompareFunc
)
strcmp
);
return
ret
;
}
GList
*
purple_cmd_help
(
PurpleConversation
*
conv
,
const
gchar
*
cmd
)
{
GList
*
ret
=
NULL
;
for
(
GList
*
l
=
cmds
;
l
;
l
=
l
->
next
)
{
PurpleCmd
*
c
=
l
->
data
;
if
(
cmd
&&
!
purple_strequal
(
cmd
,
c
->
cmd
))
continue
;
if
(
conv
&&
(
!
is_right_type
(
c
,
conv
)
||
!
is_right_protocol
(
c
,
conv
)))
{
continue
;
}
ret
=
g_list_append
(
ret
,
c
->
help
);
}
ret
=
g_list_sort
(
ret
,
(
GCompareFunc
)
strcmp
);
return
ret
;
}
gpointer
purple_cmds_get_handle
(
void
)
{
static
int
handle
;
return
&
handle
;
}
void
purple_cmds_init
(
void
)
{
gpointer
handle
=
purple_cmds_get_handle
();
purple_signal_register
(
handle
,
"cmd-added"
,
purple_marshal_VOID__POINTER_INT_INT
,
G_TYPE_NONE
,
3
,
G_TYPE_STRING
,
G_TYPE_INT
,
G_TYPE_INT
);
purple_signal_register
(
handle
,
"cmd-removed"
,
purple_marshal_VOID__POINTER
,
G_TYPE_NONE
,
1
,
G_TYPE_STRING
);
}
void
purple_cmds_uninit
(
void
)
{
purple_signals_unregister_by_instance
(
purple_cmds_get_handle
());
g_clear_list
(
&
cmds
,
(
GDestroyNotify
)
purple_cmd_free
);
}