1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
if not modules then modules = { } end modules ['node-tsk'] = {
version = 1.001,
comment = "companion to node-ini.tex",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local trace_tasks = false trackers.register("tasks", function(v) trace_tasks = v end)
tasks = tasks or { }
tasks.data = tasks.data or { }
function tasks.new(name,list)
local tasklist = sequencer.reset()
tasks.data[name] = { list = tasklist, runner = false }
for l=1,#list do
sequencer.appendgroup(tasklist,list[l])
end
end
function tasks.restart(name,group)
local data = tasks.data[name]
if data then
data.runner = false
end
end
function tasks.appendaction(name,group,action,where,kind)
local data = tasks.data[name]
if data then
sequencer.appendaction(data.list,group,action,where,kind)
data.runner = false
end
end
function tasks.prependaction(name,group,action,where,kind)
local data = tasks.data[name]
if data then
sequencer.prependaction(data.list,group,action,where,kind)
data.runner = false
end
end
function tasks.removeaction(name,group,action)
local data = tasks.data[name]
if data then
sequencer.removeaction(data.list,group,action)
data.runner = false
end
end
function tasks.showactions(name,group,action,where,kind)
local data = tasks.data[name]
if data then
logs.report("nodes","task %s, list:\n%s",name,sequencer.nodeprocessor(data.list))
end
end
function tasks.actions(name)
local data = tasks.data[name]
if data then
return function(head,tail,...)
local runner = data.runner
if not runner then
if trace_tasks then
logs.report("nodes","creating task runner '%s'",name)
end
runner = sequencer.compile(data.list,sequencer.nodeprocessor)
data.runner = runner
end
return runner(head,tail,...)
end
else
return nil
end
end
tasks.new (
"processors",
{
"before", -- for users
"normalizers",
"characters",
"words",
"fonts",
"lists",
"after", -- for users
}
)
tasks.new (
"finalizers",
{
"before", -- for users
"normalizers",
-- "characters",
-- "finishers",
"fonts",
-- "lists",
"after", -- for users
}
)
tasks.new (
"shipouts",
{
"before", -- for users
"normalizers",
"finishers",
"after", -- for users
}
)
|