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
|
--
-- This is file `microtype.lua',
-- generated with the docstrip utility.
--
-- The original source files were:
--
-- microtype.dtx (with options: `luafile')
--
-- ------------------------------------------------------------------------
--
-- The `microtype' package
-- Subliminal refinements towards typographical perfection
-- Copyright (c) 2004--2016 R Schlicht <w.m.l@gmx.net>
--
-- This work may be distributed and/or modified under the conditions of the
-- LaTeX Project Public License, either version 1.3c of this license or (at
-- your option) any later version. The latest version of this license is in:
-- http://www.latex-project.org/lppl.txt, and version 1.3c or later is part
-- of all distributions of LaTeX version 2005/12/01 or later.
--
-- This work has the LPPL maintenance status `author-maintained'.
--
-- This work consists of the files microtype.dtx and microtype.ins and the
-- derived files microtype.sty, microtype-pdftex.def, microtype-luatex.def,
-- microtype-xetex.def, microtype.lua and letterspace.sty.
--
-- ------------------------------------------------------------------------
-- This file contains auxiliary lua functions.
-- It was originally contributed by Elie Roux <elie.roux{at}telecom-bretagne.eu>.
-- (Bugs are mine.)
-- ------------------------------------------------------------------------
--
microtype = microtype or {}
local microtype = microtype
microtype.module = {
name = "microtype",
version = "2.7",
date = "2017/07/07",
description = "microtype module.",
author = "E. Roux, R. Schlicht and P. Gesang",
copyright = "E. Roux, R. Schlicht and P. Gesang",
license = "LPPL",
}
local err, warn, info, log = luatexbase.provides_module(microtype.module)
microtype.warning = warn
local find = string.find
local match = string.match
local tex_write = tex.write
local catpackage
if luatexbase.registernumber then
catpackage = luatexbase.registernumber("catcodetable@atletter") -- LaTeX
else
catpackage = luatexbase.catcodetables.CatcodeTableAtletter -- luatexbase
end
function microtype.sprint (...)
tex.sprint(catpackage, ...)
end
local function if_int(s)
if find(s,"^-*[0-9]+ *$") then
tex_write("@firstoftwo")
else
tex_write("@secondoftwo")
end
end
microtype.if_int = if_int
local function if_dimen(s)
if (find(s, "^-*[0-9]+(%a*) *$") or
find(s, "^-*[0-9]*[.,][0-9]+(%a*) *$")) then
tex_write("@firstoftwo")
else
tex_write("@secondoftwo")
end
end
microtype.if_dimen = if_dimen
local function if_str_eq(s1, s2)
if s1 == s2 then
tex_write("@firstoftwo")
else
tex_write("@secondoftwo")
end
end
microtype.if_str_eq = if_str_eq
local function do_font()
if fonts then
local thefont
if fonts.ids then --- legacy luaotfload
thefont = fonts.ids[font.current()]
else --- new location
thefont = fonts.hashes.identifiers[font.current()]
end
if thefont then
for i,v in next,thefont.characters do
if v.index == nil or v.index > 0 then
microtype.sprint([[\@tempcnta=]]..i..[[\relax\MT@dofont@function]])
end
end
end
end
end
microtype.do_font = do_font
microtype.ligs = microtype.ligs or { }
local function noligatures(fontcs,liga)
local fontcs = match(fontcs,"([^ ]+)")
microtype.ligs[fontcs] = microtype.ligs[fontcs] or { }
table.insert(microtype.ligs[fontcs],liga)
end
microtype.noligatures = noligatures
local function keepligature(c)
local nodedirect = node.direct
local getfield = nodedirect.getfield
local getfont = nodedirect.getfont
local f,ch
if type(c) == "userdata" then -- in older luaotfload versions, c was a node
f = c.font
ch = c.components.char
else -- since 2.6, c is a (direct node) number
f = getfont(c)
ch = getfield(getfield(c,"components"),"char")
end
-- if ch then -- should always be true
local ligs = microtype.ligs[match(tex.fontidentifier(f),"\\([^ ]+)")]
if ligs then
for _,lig in pairs(ligs) do
if lig == "_all_" or tonumber(lig) == ch then
return false
end
end
end
return true
-- end
end
if luaotfload and luaotfload.letterspace then
if luaotfload.letterspace.keepligature then
microtype.warning("overwriting function `keepligature'")
end
luaotfload.letterspace.keepligature = keepligature
end
if luaotfload and luaotfload.aux and luaotfload.aux.slot_of_name then
local slot_of_name = luaotfload.aux.slot_of_name
microtype.name_to_slot = function(name, unsafe)
return slot_of_name(font.current(), name, unsafe)
end
else
-- we dig into internal structure (should be avoided)
local function name_to_slot(name, unsafe)
if fonts then
local unicodes
if fonts.ids then --- legacy luaotfload
local tfmdata = fonts.ids[font.current()]
if not tfmdata then return end
unicodes = tfmdata.shared.otfdata.luatex.unicodes
else --- new location
local tfmdata = fonts.hashes.identifiers[font.current()]
if not tfmdata then return end
unicodes = tfmdata.resources.unicodes
end
local unicode = unicodes[name]
if unicode then --- does the 'or' branch actually exist?
return type(unicode) == "number" and unicode or unicode[1]
end
end
end
microtype.name_to_slot = name_to_slot
end
--
--
-- End of file `microtype.lua'.
|