1if not modules then modules = { } end modules [ ' mult-chk ' ] = {
2 version = 1 . 001 ,
3 comment = " companion to mult-chk.mkiv " ,
4 author = " Hans Hagen, PRAGMA-ADE, Hasselt NL " ,
5 copyright = " PRAGMA ADE / ConTeXt Development Team " ,
6 license = " see context related readme files "
7}
8
9local format = string . format
10local lpegmatch = lpeg . match
11local type = type
12
13local make_settings_to_hash_pattern = utilities . parsers . make_settings_to_hash_pattern
14local settings_to_set = utilities . parsers . settings_to_set
15local allocate = utilities . storage . allocate
16
17local report_interface = logs . reporter ( " interface " , " checking " )
18
19local interfaces = interfaces
20local implement = interfaces . implement
21
22interfaces . syntax = allocate {
23 test = { keys = table . tohash { " a " , " b " , " c " , " d " , " e " , " f " , " g " } }
24}
25
26function interfaces . invalidkey ( category , key )
27 report_interface ( " invalid key %a for %a in line %a " , key , category , tex . inputlineno )
28end
29
30function interfaces . setvalidkeys ( category , list )
31 local s = interfaces . syntax [ category ]
32 if not s then
33 interfaces . syntax [ category ] = {
34 keys = settings_to_set ( list )
35 }
36 else
37 s . keys = settings_to_set ( list )
38 end
39end
40
41function interfaces . addvalidkeys ( category , list )
42 local s = interfaces . syntax [ category ]
43 if not s then
44 interfaces . syntax [ category ] = {
45 keys = settings_to_set ( list )
46 }
47 else
48 settings_to_set ( list , s . keys )
49 end
50end
51
52implement {
53 name = " setvalidinterfacekeys " ,
54 actions = interfaces . setvalidkeys ,
55 arguments = " 2 strings "
56}
57
58implement {
59 name = " addvalidinterfacekeys " ,
60 actions = interfaces . addvalidkeys ,
61 arguments = " 2 strings "
62}
63
64
65
66local prefix , category , keys
67
68local setsomevalue = context . setsomevalue
69local invalidkey = interfaces . invalidkey
70
71local function set ( key , value )
72 if keys and not keys [ key ] then
73 invalidkey ( category , key )
74 else
75 setsomevalue ( prefix , key , value )
76 end
77end
78
79local pattern = make_settings_to_hash_pattern ( set , " tolerant " )
80
81function interfaces . getcheckedparameters ( k , p , s )
82 if s and s ~ = " " then
83 prefix , category = p , k
84 keys = k and k ~ = " " and interfaces . syntax [ k ] . keys
85 lpegmatch ( pattern , s )
86 end
87end
88
89implement {
90 name = " getcheckedinterfaceparameters " ,
91 actions = interfaces . getcheckedparameters ,
92 arguments = " 3 strings "
93}
94 |
