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1if
 not
 modules
 then
 modules
 =
 {
 }
 end
 modules
 [
'
syst-con
'
]
 =
 {
2    version
   =
 1
.
001
,
3    comment
   =
 "
companion to syst-con.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
 tonumber
 =
 tonumber
10local
 math
 =
 math
11local
 utfchar
 =
 utf
.
char
12local
 gsub
 =
 string
.
gsub
13
14converters
       =
 converters
 or
 {
 }
15local
 converters
 =
 converters
16
17local
 context
    =
 context
18local
 commands
   =
 commands
19local
 implement
  =
 interfaces
.
implement
20
21local
 formatters
 =
 string
.
formatters
22
23--[[ldx--
24<p>For raw 8 bit characters, the offset is 0x110000 (bottom of plane 18) at
25the top of <l n='luatex'/>'s char range but outside the unicode range.</p>
26--ldx]]
--
27
28function
 converters
.
hexstringtonumber
(
n
)
 tonumber
(
n
,
16
)
 end
29function
 converters
.
octstringtonumber
(
n
)
 tonumber
(
n
,
 8
)
 end
30
31function
 converters
.
rawcharacter
     (
n
)
 utfchar
(
0x110000
+
n
)
 end
32
33local
 lchexnumber
  =
 formatters
[
"
%x
"
]
34local
 uchexnumber
  =
 formatters
[
"
%X
"
]
35local
 lchexnumbers
 =
 formatters
[
"
%02x
"
]
36local
 uchexnumbers
 =
 formatters
[
"
%02X
"
]
37local
 octnumber
    =
 formatters
[
"
%03o
"
]
38local
 nicenumber
   =
 formatters
[
"
%0.6F
"
]
39
40converters
.
lchexnumber
  =
 lchexnumber
41converters
.
uchexnumber
  =
 uchexnumber
42converters
.
lchexnumbers
 =
 lchexnumbers
43converters
.
uchexnumbers
 =
 uchexnumbers
44converters
.
octnumber
    =
 octnumber
45converters
.
nicenumber
   =
 nicenumber
46
47implement
 {
 name
 =
 "
hexstringtonumber
"
,
 actions
 =
 {
 tonumber
,
 context
 }
,
 arguments
 =
 {
 "
integer
"
,
 16
 }
 }
48implement
 {
 name
 =
 "
octstringtonumber
"
,
 actions
 =
 {
 tonumber
,
 context
 }
,
 arguments
 =
 {
 "
integer
"
,
  8
 }
 }
49
50implement
 {
 name
 =
 "
rawcharacter
"
,
 actions
 =
 function
(
n
)
 context
(
utfchar
(
0x110000
+
n
)
)
 end
,
 arguments
 =
 "
integer
"
 }
51
52implement
 {
 name
 =
 "
lchexnumber
"
,
  actions
 =
 {
 lchexnumber
,
  context
 }
,
 arguments
 =
 "
integer
"
 }
53implement
 {
 name
 =
 "
uchexnumber
"
,
  actions
 =
 {
 uchexnumber
,
  context
 }
,
 arguments
 =
 "
integer
"
 }
54implement
 {
 name
 =
 "
lchexnumbers
"
,
 actions
 =
 {
 lchexnumbers
,
 context
 }
,
 arguments
 =
 "
integer
"
 }
55implement
 {
 name
 =
 "
uchexnumbers
"
,
 actions
 =
 {
 uchexnumbers
,
 context
 }
,
 arguments
 =
 "
integer
"
 }
56implement
 {
 name
 =
 "
octnumber
"
,
    actions
 =
 {
 octnumber
,
    context
 }
,
 arguments
 =
 "
integer
"
 }
57
58implement
 {
 name
 =
 "
sin
"
,
  actions
 =
 {
 math
.
sin
,
  nicenumber
,
 context
 }
,
 arguments
 =
 "
number
"
 }
59implement
 {
 name
 =
 "
cos
"
,
  actions
 =
 {
 math
.
cos
,
  nicenumber
,
 context
 }
,
 arguments
 =
 "
number
"
 }
60implement
 {
 name
 =
 "
tan
"
,
  actions
 =
 {
 math
.
tan
,
  nicenumber
,
 context
 }
,
 arguments
 =
 "
number
"
 }
61
62implement
 {
 name
 =
 "
sind
"
,
 actions
 =
 {
 math
.
sind
,
 nicenumber
,
 context
 }
,
 arguments
 =
 "
number
"
 }
63implement
 {
 name
 =
 "
cosd
"
,
 actions
 =
 {
 math
.
cosd
,
 nicenumber
,
 context
 }
,
 arguments
 =
 "
number
"
 }
64implement
 {
 name
 =
 "
tand
"
,
 actions
 =
 {
 math
.
tand
,
 nicenumber
,
 context
 }
,
 arguments
 =
 "
number
"
 }
65
66-- only as commands
67
68function
 commands
.
format
(
fmt
,
...
)
 context
(
(
gsub
(
fmt
,
"
@
"
,
"
%%
"
)
)
,
...
)
 end
69
70implement
 {
71    name
      =
 "
formatone
"
,
72    public
    =
 true
,
73    protected
 =
 true
,
74    arguments
 =
 "
2 strings
"
,
75    actions
   =
 function
(
f
,
s
)
 context
(
(
gsub
(
f
,
"
@
"
,
"
%%
"
)
)
,
s
)
 end
,
76}
77
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