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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
if not modules then modules = { } end modules ['buff-par'] = {
version = 1.001,
comment = "companion to buff-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local context, commands = context, commands
local insert, remove, find, gmatch = table.insert, table.remove, string.find, string.gmatch
local strip, format = string.strip, string.format
local trace_parallel = false trackers.register("buffers.parallel", function(v) trace_parallel = v end)
local report_parallel = logs.reporter("buffers","parallel")
local variables = interfaces.variables
local parallel = buffers.parallel or { }
buffers.parallel = parallel
local settings_to_array = utilities.parsers.settings_to_array
local data = { }
function parallel.define(category,tags)
local tags = settings_to_array(tags)
local entries = { }
data[category] = {
tags = tags,
entries = entries,
}
for i=1,#tags do
entries[tags[i]] = {
lines = { },
number = 0,
}
end
end
function parallel.reset(category,tags)
if not tags or tags == "" or tags == variables.all then
tags = table.keys(entries)
else
tags = settings_to_array(tags)
end
for i=1,#tags do
entries[tags[i]] = {
lines = { },
number = 0,
}
end
end
function parallel.next(category)
local dc = data[category]
local tags = dc.tags
local entries = dc.entries
for i=1,#tags do
insert(entries[tags[i]].lines, { })
end
end
function parallel.save(category,tag,content)
local dc = data[category]
if not dc then
return
end
local entries = dc.entries[tag]
if not entries then
return
end
local lines = entries.lines
if not lines then
return
end
local line = lines[#lines]
if not line then
return
end
-- maybe no strip
-- use lpeg
if find(content,"%s*%[") then
local done = false
for label, content in gmatch(content,"%s*%[(.-)%]%s*([^%[]+)") do
if done then
line = { }
insert(lines,line)
else
done = true
end
if trace_parallel and label ~= "" then
report_parallel("reference found of category %a, tag %a, label %a",category,tag,label)
end
line.label = label
line.content = strip(content)
end
else
line.content = strip(content)
line.label = ""
end
end
function parallel.hassomecontent(category,tags)
local dc = data[category]
if not dc then
return false
end
local entries = dc.entries
if not tags or tags == "" or tags == variables.all then
tags = table.keys(entries)
else
tags = utilities.parsers.settings_to_array(tags)
end
for t=1,#tags do
local tag = tags[t]
local lines = entries[tag].lines
for i=1,#lines do
local content = lines[i].content
if content and content ~= "" then
return true
end
end
end
return false
end
local save = resolvers.savers.byscheme
function parallel.place(category,tags,options)
local dc = data[category]
if not dc then
return
end
local entries = dc.entries
local tags = utilities.parsers.settings_to_array(tags)
local options = utilities.parsers.settings_to_hash(options)
local start, n, criterium = options.start, options.n, options.criterium
start, n = start and tonumber(start), n and tonumber(n)
local max = 1
if n then
max = n
elseif criterium == variables.all then
max = 0
for t=1,#tags do
local tag = tags[t]
local lines = entries[tag].lines
if #lines > max then
max = #lines
end
end
end
for i=1,max do
for t=1,#tags do
local tag = tags[t]
local entry = entries[tag]
if entry then
local lines = entry.lines
local number = entry.number + 1
entry.number = number
local line = remove(lines,1)
if line and line.content then
local content = format("\\input{%s}",save("virtual","parallel",line.content))
context.doflushparallel(tag,1,number,line.label,content)
else
context.doflushparallel(tag,0,number,"","")
end
end
end
end
end
-- interface
commands.defineparallel = parallel.define
commands.nextparallel = parallel.next
commands.saveparallel = parallel.save
commands.placeparallel = parallel.place
commands.resetparallel = parallel.reset
function commands.doifelseparallel(category,tags)
commands.doifelse(parallel.hassomecontent(category,tags))
end
|
