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
185
186
187
|
if not modules then modules = { } end modules ['file-mod'] = {
version = 1.001,
comment = "companion to file-mod.mkvi",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- This module will be redone! For instance, the prefixes will move to data-*
-- as they arr sort of generic along with home:// etc/.
-- context is not defined yet! todo! (we need to load tupp-fil after cld)
-- todo: move startreadingfile to lua and push regime there
--[[ldx--
<p>It's more convenient to manipulate filenames (paths) in
<l n='lua'/> than in <l n='tex'/>. These methods have counterparts
at the <l n='tex'/> side.</p>
--ldx]]--
local format, concat, tonumber = string.format, table.concat, tonumber
local trace_modules = false trackers .register("modules.loading", function(v) trace_modules = v end)
local permit_unprefixed = false directives.register("modules.permitunprefixed", function(v) permit_unprefixed = v end)
local report_modules = logs.reporter("resolvers","modules")
commands = commands or { }
local commands = commands
local context = context
local findbyscheme = resolvers.finders.byscheme -- use different one
local iterator = utilities.parsers.iterator
-- modules can have a specific suffix or can specify one
local prefixes = { "m", "p", "s", "x", "v", "t" }
local suffixes = { "mkvi", "mkiv", "tex", "cld", "lua" } -- order might change and how about cld
local modstatus = { }
local function usemodule(name,hasscheme)
local foundname
if hasscheme then
-- no auto suffix as http will return a home page or error page
-- so we only add one if missing
local fullname = file.addsuffix(name,"tex")
if trace_modules then
report_modules("checking url %a",fullname)
end
foundname = resolvers.findtexfile(fullname) or ""
elseif file.suffix(name) ~= "" then
if trace_modules then
report_modules("checking file %a",name)
end
foundname = findbyscheme("any",name) or ""
else
for i=1,#suffixes do
local fullname = file.addsuffix(name,suffixes[i])
if trace_modules then
report_modules("checking file %a",fullname)
end
foundname = findbyscheme("any",fullname) or ""
if foundname ~= "" then
break
end
end
end
if foundname ~= "" then
if trace_modules then
report_modules("loading file %a",foundname)
end
context.startreadingfile()
resolvers.jobs.usefile(foundname,true) -- once, notext
-- context.input(foundname)
context.stopreadingfile()
return true
else
return false
end
end
function commands.usemodules(prefix,askedname,truename)
local truename = truename or environment.truefilename(askedname)
local hasprefix = prefix and prefix ~= ""
local hashname = ((hasprefix and prefix) or "*") .. "-" .. truename
local status = modstatus[hashname]
if status == 0 then
-- not found
elseif status == 1 then
status = status + 1
else
if trace_modules then
report_modules("locating, prefix %a, askedname %a, truename %a",prefix,askedname,truename)
end
local hasscheme = url.hasscheme(truename)
if hasscheme then
-- no prefix and suffix done
if usemodule(truename,true) then
status = 1
else
status = 0
end
elseif hasprefix then
if usemodule(prefix .. "-" .. truename) then
status = 1
else
status = 0
end
else
for i=1,#prefixes do
-- todo: reconstruct name i.e. basename
local thename = prefixes[i] .. "-" .. truename
if usemodule(thename) then
status = 1
break
end
end
if status then
-- ok, don't change
elseif not permit_unprefixed then
-- forget about it
elseif usemodule(truename) then
report_modules("using unprefixed file %a",truename)
status = 1
else
status = 0
end
end
end
if status == 0 then
report_modules("%a is not found",askedname)
elseif status == 1 then
report_modules("%a is loaded",trace_modules and truename or askedname)
else
report_modules("%a is already loaded",trace_modules and truename or askedname)
end
modstatus[hashname] = status
end
statistics.register("loaded tex modules", function()
if next(modstatus) then
local t, f, nt, nf = { }, { }, 0, 0
for k, v in table.sortedhash(modstatus) do
k = file.basename(k)
if v == 0 then
nf = nf + 1
f[nf] = k
else
nt = nt + 1
t[nt] = k
end
end
if nf == 0 then
return format("%s requested, all found (%s)",nt,concat(t," "))
elseif nt == 0 then
return format("%s requested, all missing (%s)",nf,concat(f," "))
else
return format("%s requested, %s found (%s), %s missing (%s)",nt+nf,nt,concat(t," "),nf,concat(f," "))
end
else
return nil
end
end)
-- moved from syst-lua.lua:
local splitter = lpeg.tsplitter(lpeg.S(". "),tonumber)
function commands.doifolderversionelse(one,two) -- one >= two
if not two then
one, two = environment.version, one
elseif one == "" then
one = environment.version
end
one = lpeg.match(splitter,one)
two = lpeg.match(splitter,two)
one = (one[1] or 0) * 10000 + (one[2] or 0) * 100 + (one[3] or 0)
two = (two[1] or 0) * 10000 + (two[2] or 0) * 100 + (two[3] or 0)
commands.doifelse(one>=two)
end
function commands.useluamodule(list)
for filename in iterator(list) do
environment.loadluafile(filename)
end
end
|
