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
|
if not modules then modules = { } end modules ['font-trt'] = {
version = 1.001,
comment = "companion to font-ini.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
local rawget, dofile, next, type = rawget, dofile, next, type
local cleanfilename = fonts.names.cleanfilename
local splitbase = file.splitbase
local lower = string.lower
-- We provide a simple treatment mechanism (mostly because I want to demonstrate
-- something in a manual). It's one of the few places where an lfg file gets loaded
-- outside the goodies manager.
local treatments = fonts.treatments or { }
fonts.treatments = treatments
local treatmentdata = treatments.data or utilities.storage.allocate()
treatments.data = treatmentdata
treatments.filename = "treatments.lfg"
local trace_treatments = false trackers.register("fonts.treatments", function(v) trace_treatments = v end)
local report_treatment = logs.reporter("fonts","treatment")
treatments.report = report_treatment
function treatments.trace(...)
if trace_treatments then
report_treatment(...)
end
end
-- function treatments.load(name)
-- local filename = resolvers.findfile(name)
-- if filename and filename ~= "" then
-- local goodies = dofile(filename)
-- if goodies then
-- local treatments = goodies.treatments
-- if treatments then
-- for name, data in next, treatments do
-- treatmentdata[name] = data -- always wins
-- end
-- end
-- end
-- end
-- end
table.setmetatableindex(treatmentdata,function(t,k)
local files = resolvers.findfiles(treatments.filename)
if files then
for i=1,#files do
local goodies = dofile(files[i])
if goodies then
local treatments = goodies.treatments
if treatments then
for name, data in next, treatments do
if not rawget(t,name) then
t[name] = data
end
end
end
end
end
end
table.setmetatableindex(treatmentdata,nil)
return treatmentdata[k]
end)
local function applyfix(fix,filename,data,n)
if type(fix) == "function" then
-- we assume that when needed the fix reports something
-- if trace_treatments then
-- report_treatment("applying treatment %a to file %a",n,filename)
-- end
fix(data)
elseif trace_treatments then
report_treatment("invalid treatment %a for file %a",n,filename)
end
end
function treatments.applyfixes(filename,data)
local filename = cleanfilename(filename)
local pathpart, basepart = splitbase(filename)
local treatment = treatmentdata[filename] or treatmentdata[basepart]
if treatment then
local fixes = treatment.fixes
if not fixes then
-- nothing to fix
elseif type(fixes) == "table" then
for i=1,#fixes do
applyfix(fixes[i],filename,data,i)
end
else
applyfix(fixes,filename,data,1)
end
end
end
function treatments.ignoredfile(fullname)
local treatmentdata = treatments.data or { } -- when used outside context
local _, basepart = splitbase(fullname)
local treatment = treatmentdata[basepart] or treatmentdata[lower(basepart)]
if treatment and treatment.ignored then
report_treatment("font file %a resolved as %a is ignored, reason %a",basepart,fullname,treatment.comment or "unknown")
return true
end
end
fonts.names.ignoredfile = treatments.ignoredfile
|
