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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
--[[
File `frenchb.lua’ generated from frenchb.dtx
[2017/10/19 v3.3d French support from the babel system]
Copyright © 2014-2017 Daniel Flipo
<daniel (dot) flipo (at) free (dot) fr>
License LPPL: see french.ldf.
--]]
local FB_punct_thin =
{[string.byte("!")] = true,
[string.byte("?")] = true,
[string.byte(";")] = true}
local FB_punct_thick =
{[string.byte(":")] = true}
local FB_punct_left =
{[string.byte("!")] = true,
[string.byte("?")] = true,
[string.byte(";")] = true,
[string.byte(":")] = true,
[0x14] = true,
[0xBB] = true}
local FB_punct_right =
{[0x13] = true,
[0xAB] = true}
local FB_punct_null =
{[string.byte("!")] = true,
[string.byte("?")] = true,
[string.byte("[")] = true,
[string.byte("(")] = true,
[0xA0] = true,
[0x202F] = true}
local FB_guil_null =
{[0xA0] = true,
[0x202F] = true}
local new_node = node.new
local copy_node = node.copy
local node_id = node.id
local HLIST = node_id("hlist")
local TEMP = node_id("temp")
local KERN = node_id("kern")
local GLUE = node_id("glue")
local GLYPH = node_id("glyph")
local PENALTY = node_id("penalty")
local nobreak = new_node(PENALTY)
nobreak.penalty = 10000
local insert_node_before = node.insert_before
local insert_node_after = node.insert_after
local remove_node = node.remove
local function get_glue(toks)
local t = nil
local f = string.match(toks, "\\hskip%s*([%d%.]*)%s*\\fontdimen 2")
if f == "" then f = 1 end
if tonumber(f) then
t = {tonumber(f), 0, 0}
f = string.match(toks, "plus%s*([%d%.]*)%s*\\fontdimen 3")
if f == "" then f = 1 end
if tonumber(f) then
t[2] = tonumber(f)
f = string.match(toks, "minus%s*([%d%.]*)%s*\\fontdimen 4")
if f == "" then f = 1 end
if tonumber(f) then
t[3] = tonumber(f)
end
end
elseif string.match(toks, "\\F?B?thinspace") then
t = {0.5, 0, 0}
elseif string.match(toks, "\\space") then
t = {1, 1, 1}
end
return t
end
local colngl = get_glue(tex.toks['FBcolonsp']) or {1, 1, 1}
local thingl = get_glue(tex.toks['FBthinsp']) or {.5, 0, 0}
local guilgl = get_glue(tex.toks['FBguillsp']) or {.8, .3, .8}
local font_table = {}
local function new_glue_scaled (fid,table)
if fid > 0 then
local fp = font_table[fid]
if not fp then
local ft = font.getfont(fid)
if ft then
font_table[fid] = ft.parameters
fp = font_table[fid]
end
end
local gl = new_node(GLUE,0)
if fp then
node.setglue(gl, table[1]*fp.space,
table[2]*fp.space_stretch,
table[3]*fp.space_shrink)
return gl
else
return nil
end
else
return nil
end
end
local FBspacing = luatexbase.attributes['FB@spacing']
local addDPspace = luatexbase.attributes['FB@addDPspace']
local addGUILspace = luatexbase.attributes['FB@addGUILspace']
local FBucsNBSP = luatexbase.attributes['FB@ucsNBSP']
local has_attribute = node.has_attribute
local function french_punctuation (head)
for item in node.traverse_id(GLYPH, head) do
local lang = item.lang
local char = item.char
local fid = item.font
local FRspacing = has_attribute(item, FBspacing)
FRspacing = FRspacing and FRspacing > 0
local FRucsNBSP = has_attribute(item, FBucsNBSP)
FRucsNBSP = FRucsNBSP and FRucsNBSP > 0
local NBthinspace = new_node("glyph")
NBthinspace.font = fid
NBthinspace.char = 0x202F
local NBcolnspace = new_node("glyph")
NBcolnspace.font = fid
if colngl[1] <= 0.5 then
NBcolnspace.char = 0x202F
else
NBcolnspace.char = 0xA0
end
local NBguilspace = new_node("glyph")
NBguilspace.font = fid
if guilgl[1] <= 0.5 then
NBguilspace.char = 0x202F
else
NBguilspace.char = 0xA0
end
local SIG = has_attribute(item, addGUILspace)
SIG = SIG and SIG >0
if lang == FR and FRspacing and
FB_punct_left[char] and fid > 0 then
local prev = item.prev
local prev_id, prev_subtype, prev_char
if prev then
prev_id = prev.id
prev_subtype = prev.subtype
if prev_id == GLYPH then
prev_char = prev.char
end
end
local is_glue = prev_id == GLUE
local glue_wd
if is_glue then
glue_wd = prev.width
end
local realglue = is_glue and glue_wd > 1
if FB_punct_thin[char] or FB_punct_thick[char] then
local SBDP = has_attribute(item, addDPspace)
local auto = SBDP and SBDP > 0
if FB_punct_thick[char] and auto then
local next = item.next
local next_id
if next then
next_id = next.id
end
if next_id and next_id == GLYPH then
auto = false
end
end
if auto then
if (prev_char and FB_punct_null[prev_char]) or
(is_glue and glue_wd <= 1) or
(prev_id == HLIST and prev_subtype == 3) or
(prev_id == TEMP) then
auto = false
end
end
local fbglue
local nbspace
if FB_punct_thick[char] then
fbglue = new_glue_scaled(fid,colngl)
nbspace = NBcolnspace
else
fbglue = new_glue_scaled(fid,thingl)
nbspace = NBthinspace
end
if (realglue or auto) and fbglue then
if realglue then
head = remove_node(head,prev,true)
end
if (FRucsNBSP) then
insert_node_before(head, item, copy_node(nbspace))
else
insert_node_before(head, item, copy_node(nobreak))
insert_node_before(head, item, copy_node(fbglue))
end
end
elseif SIG then
local addgl = (prev_char and not FB_guil_null[prev_char]) or
(not prev_char and
prev_id ~= TEMP and
not (prev_id == HLIST and prev_subtype == 3)
)
if is_glue and glue_wd <= 1 then
addgl = false
end
local fbglue = new_glue_scaled(fid,guilgl)
if addgl and fbglue then
if is_glue then
head = remove_node(head,prev,true)
end
if (FRucsNBSP) then
insert_node_before(head, item, copy_node(NBguilspace))
else
insert_node_before(head, item, copy_node(nobreak))
insert_node_before(head, item, copy_node(fbglue))
end
end
end
end
if lang == FR and FRspacing and FB_punct_right[char]
and fid > 0 and SIG then
local next = item.next
local next_id, next_subtype, next_char, nextnext, kern_wd
if next then
next_id = next.id
next_subtype = next.subtype
if next_id == GLYPH then
next_char = next.char
elseif next_id == KERN then
kern_wd = next.kern
if kern_wd == 0 then
nextnext = next.next
if nextnext then
next = nextnext
next_id = nextnext.id
next_subtype = nextnext.subtype
if next_id == GLYPH then
next_char = nextnext.char
end
end
end
end
end
local is_glue = next_id == GLUE
if is_glue then
glue_wd = next.width
end
local addgl = (next_char and not FB_guil_null[next_char]) or
(next and not next_char)
if is_glue and glue_wd == 0 then
addgl = false
end
local fid = item.font
local fbglue = new_glue_scaled(fid,guilgl)
if addgl and fbglue then
if is_glue then
head = remove_node(head,next,true)
end
if (FRucsNBSP) then
insert_node_after(head, item, copy_node(NBguilspace))
else
insert_node_after(head, item, copy_node(fbglue))
insert_node_after(head, item, copy_node(nobreak))
end
end
end
end
return head
end
return french_punctuation
-- End of File frenchb.lua.
|
