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
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
|
if not modules then modules = { } end modules ['anch-pos'] = {
version = 1.001,
comment = "companion to anch-pos.mkiv",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
--[[ldx--
<p>We save positional information in the main utility table. Not only
can we store much more information in <l n='lua'/> but it's also
more efficient.</p>
--ldx]]--
-- plus (extra) is obsolete but we will keep it for a while
-- context(new_latelua_node(f_enhance(tag)))
-- =>
-- context.lateluafunction(function() f_enhance(tag) end)
-- maybe replace texsp by our own converter (stay at the lua end)
-- eventually mp will have large numbers so we can use sp there too
local tostring, next, rawget, setmetatable = tostring, next, rawget, setmetatable
local sort = table.sort
local format, gmatch, match = string.format, string.gmatch, string.match
local rawget = rawget
local lpegmatch = lpeg.match
local insert, remove = table.insert, table.remove
local allocate, mark = utilities.storage.allocate, utilities.storage.mark
local scanners = tokens.scanners
local scanstring = scanners.string
local scaninteger = scanners.integer
local scandimen = scanners.dimen
local compilescanner = tokens.compile
local scanners = interfaces.scanners
local commands = commands
local context = context
local tex = tex
local texgetcount = tex.getcount
local texsetcount = tex.setcount
local texget = tex.get
local texsp = tex.sp
----- texsp = string.todimen -- because we cache this is much faster but no rounding
local pdf = pdf -- h and v are variables
local setmetatableindex = table.setmetatableindex
local nuts = nodes.nuts
local getfield = nuts.getfield
local setfield = nuts.setfield
local getlist = nuts.getlist
local getbox = nuts.getbox
local getskip = nuts.getskip
local find_tail = nuts.tail
local new_latelua = nuts.pool.latelua
local new_latelua_node = nodes.pool.latelua
local variables = interfaces.variables
local v_text = variables.text
local v_column = variables.column
local pt = number.dimenfactors.pt
local pts = number.pts
local formatters = string.formatters
local collected = allocate()
local tobesaved = allocate()
local jobpositions = {
collected = collected,
tobesaved = tobesaved,
}
job.positions = jobpositions
_plib_ = jobpositions -- might go
local default = { -- not r and paragraphs etc
__index = {
x = 0, -- x position baseline
y = 0, -- y position baseline
w = 0, -- width
h = 0, -- height
d = 0, -- depth
p = 0, -- page
n = 0, -- paragraph
ls = 0, -- leftskip
rs = 0, -- rightskip
hi = 0, -- hangindent
ha = 0, -- hangafter
hs = 0, -- hsize
pi = 0, -- parindent
ps = false, -- parshape
}
}
local f_b_tag = formatters["b:%s"]
local f_e_tag = formatters["e:%s"]
local f_p_tag = formatters["p:%s"]
local f_w_tag = formatters["w:%s"]
local f_b_column = formatters["_plib_.b_col(%q)"]
local f_e_column = formatters["_plib_.e_col()"]
local f_enhance = formatters["_plib_.enhance(%q)"]
local f_region = formatters["region:%s"]
local f_b_region = formatters["_plib_.b_region(%q)"]
local f_e_region = formatters["_plib_.e_region(%s)"]
local f_tag_three = formatters["%s:%s:%s"]
local f_tag_two = formatters["%s:%s"]
local function sorter(a,b)
return a.y > b.y
end
local nofusedregions = 0
local nofmissingregions = 0
local nofregular = 0
jobpositions.used = false
-- todo: register subsets and count them indepently
local function initializer()
tobesaved = jobpositions.tobesaved
collected = jobpositions.collected
-- add sparse regions
local pages = structures.pages.collected
if pages then
local last = nil
for p=1,#pages do
local region = "page:" .. p
local data = collected[region]
if data then
last = data
last.p = nil -- no need for a page
elseif last then
collected[region] = last
end
end
end
-- enhance regions with paragraphs
for tag, data in next, collected do
local region = data.r
if region then
local r = collected[region]
if r then
local paragraphs = r.paragraphs
if not paragraphs then
r.paragraphs = { data }
else
paragraphs[#paragraphs+1] = data
end
nofusedregions = nofusedregions + 1
else
nofmissingregions = nofmissingregions + 1
end
else
nofregular = nofregular + 1
end
setmetatable(data,default)
end
-- add metatable
-- for tag, data in next, collected do
-- setmetatable(data,default)
-- end
-- sort this data
for tag, data in next, collected do
local region = data.r
if region then
local r = collected[region]
if r then
local paragraphs = r.paragraphs
if paragraphs and #paragraphs > 1 then
sort(paragraphs,sorter)
end
end
end
-- so, we can be sparse and don't need 'or 0' code
end
jobpositions.used = next(collected)
end
job.register('job.positions.collected', tobesaved, initializer)
local regions = { }
local nofregions = 0
local region = nil
local columns = { }
local nofcolumns = 0
local column = nil
local nofpages = nil
-- beware ... we're not sparse here as lua will reserve slots for the nilled
local getpos = function() getpos = backends.codeinjections.getpos return getpos () end
local gethpos = function() gethpos = backends.codeinjections.gethpos return gethpos() end
local getvpos = function() getvpos = backends.codeinjections.getvpos return getvpos() end
local function setdim(name,w,h,d,extra) -- will be used when we move to sp allover
local x, y = getpos()
if x == 0 then x = nil end
if y == 0 then y = nil end
if w == 0 then w = nil end
if h == 0 then h = nil end
if d == 0 then d = nil end
if extra == "" then extra = nil end
-- todo: sparse
tobesaved[name] = {
p = texgetcount("realpageno"),
x = x,
y = y,
w = w,
h = h,
d = d,
e = extra,
r = region,
c = column,
}
end
local function setall(name,p,x,y,w,h,d,extra)
if x == 0 then x = nil end
if y == 0 then y = nil end
if w == 0 then w = nil end
if h == 0 then h = nil end
if d == 0 then d = nil end
if extra == "" then extra = nil end
-- todo: sparse
tobesaved[name] = {
p = p,
x = x,
y = y,
w = w,
h = h,
d = d,
e = extra,
r = region,
c = column,
}
end
local function enhance(data)
if not data then
return nil
end
if data.r == true then -- or ""
data.r = region
end
if data.x == true then
if data.y == true then
data.x, data.y = getpos()
else
data.x = gethpos()
end
elseif data.y == true then
data.y = getvpos()
end
if data.p == true then
data.p = texgetcount("realpageno")
end
if data.c == true then
data.c = column
end
if data.w == 0 then
data.w = nil
end
if data.h == 0 then
data.h = nil
end
if data.d == 0 then
data.d = nil
end
return data
end
-- analyze some files (with lots if margindata) and then when one key optionally
-- use that one instead of a table (so, a 3rd / 4th argument: key, e.g. "x")
local function set(name,index,val) -- ,key
local data = enhance(val or index)
if val then
-- if data[key] and not next(next(data)) then
-- data = data[key]
-- end
container = tobesaved[name]
if not container then
tobesaved[name] = {
[index] = data
}
else
container[index] = data
end
else
tobesaved[name] = data
end
end
local function get(id,index)
if index then
local container = collected[id]
return container and container[index]
else
return collected[id]
end
end
jobpositions.setdim = setdim
jobpositions.setall = setall
jobpositions.set = set
jobpositions.get = get
-- scanners.setpos = setall
-- trackers.enable("tokens.compi*")
-- something weird: the compiler fails us here
scanners.dosaveposition = compilescanner {
actions = setall, -- name p x y
arguments = { "string", "integer", "dimen", "dimen" }
}
scanners.dosavepositionwhd = compilescanner { -- somehow fails
actions = setall, -- name p x y w h d
arguments = { "string", "integer", "dimen", "dimen", "dimen", "dimen", "dimen" }
}
scanners.dosavepositionplus = compilescanner {
actions = setall, -- name p x y w h d extra
arguments = { "string", "integer", "dimen", "dimen", "dimen", "dimen", "dimen", "string" }
}
-- will become private table (could also become attribute driven but too nasty
-- as attributes can bleed e.g. in margin stuff)
-- not much gain in keeping stack (inc/dec instead of insert/remove)
function jobpositions.b_col(tag)
tobesaved[tag] = {
r = true,
x = gethpos(),
w = 0,
}
insert(columns,tag)
column = tag
end
function jobpositions.e_col(tag)
local t = tobesaved[column]
if not t then
-- something's wrong
else
t.w = gethpos() - t.x
t.r = region
end
remove(columns)
column = columns[#columns]
end
scanners.bposcolumn = function() -- tag
local tag = scanstring()
insert(columns,tag)
column = tag
end
scanners.bposcolumnregistered = function() -- tag
local tag = scanstring()
insert(columns,tag)
column = tag
context(new_latelua_node(f_b_column(tag)))
end
scanners.eposcolumn = function()
remove(columns)
column = columns[#columns]
end
scanners.eposcolumnregistered = function()
context(new_latelua_node(f_e_column()))
remove(columns)
column = columns[#columns]
end
-- regions
function jobpositions.b_region(tag)
local last = tobesaved[tag]
last.x, last.y = getpos()
last.p = texgetcount("realpageno")
insert(regions,tag)
region = tag
end
function jobpositions.e_region(correct)
local last = tobesaved[region]
local v = getvpos()
if correct then
last.h = last.y - v
end
last.y = v
remove(regions)
region = regions[#regions]
end
local function setregionbox(n,tag)
if not tag or tag == "" then
nofregions = nofregions + 1
tag = f_region(nofregions)
end
local box = getbox(n)
local w = getfield(box,"width")
local h = getfield(box,"height")
local d = getfield(box,"depth")
tobesaved[tag] = {
p = true,
x = true,
y = getvpos(), -- true,
w = w ~= 0 and w or nil,
h = h ~= 0 and h or nil,
d = d ~= 0 and d or nil,
}
return tag, box
end
local function markregionbox(n,tag,correct)
local tag, box = setregionbox(n,tag)
local push = new_latelua(f_b_region(tag))
local pop = new_latelua(f_e_region(tostring(correct))) -- todo: check if tostring is needed with formatter
-- maybe we should construct a hbox first (needs experimenting) so that we can avoid some at the tex end
local head = getlist(box)
if head then
local tail = find_tail(head)
setfield(head,"prev",push)
setfield(push,"next",head)
setfield(pop,"prev",tail)
setfield(tail,"next",pop)
else -- we can have a simple push/pop
setfield(push,"next",pop)
setfield(pop,"prev",push)
end
setfield(box,"list",push)
end
jobpositions.markregionbox = markregionbox
jobpositions.setregionbox = setregionbox
function jobpositions.enhance(name)
enhance(tobesaved[name])
end
-- scanners.pos = function(name,t) -- name t
-- local name = scanstring()
-- tobesaved[name] = scanstring()
-- context(new_latelua_node(f_enhance(name)))
-- end
local nofparagraphs = 0
scanners.parpos = function() -- todo: relate to localpar (so this is an intermediate variant)
nofparagraphs = nofparagraphs + 1
texsetcount("global","c_anch_positions_paragraph",nofparagraphs)
local strutbox = getbox("strutbox")
local t = {
p = true,
c = true,
r = true,
x = true,
y = true,
h = getfield(strutbox,"height"),
d = getfield(strutbox,"depth"),
hs = texget("hsize"),
}
local leftskip = getfield(getskip("leftskip"),"width")
local rightskip = getfield(getskip("rightskip"),"width")
local hangindent = texget("hangindent")
local hangafter = texget("hangafter")
local parindent = texget("parindent")
local parshape = texget("parshape")
if leftskip ~= 0 then
t.ls = leftskip
end
if rightskip ~= 0 then
t.rs = rightskip
end
if hangindent ~= 0 then
t.hi = hangindent
end
if hangafter ~= 1 and hangafter ~= 0 then -- can not be zero .. so it needs to be 1 if zero
t.ha = hangafter
end
if parindent ~= 0 then
t.pi = parindent
end
if parshape and #parshape > 0 then
t.ps = parshape
end
local tag = f_p_tag(nofparagraphs)
tobesaved[tag] = t
context(new_latelua_node(f_enhance(tag)))
end
scanners.dosetposition = function() -- name
local name = scanstring()
tobesaved[name] = {
p = true,
c = column,
r = true,
x = true,
y = true,
n = nofparagraphs > 0 and nofparagraphs or nil,
}
context(new_latelua_node(f_enhance(name)))
end
scanners.dosetpositionwhd = function() -- name w h d extra
local name = scanstring()
tobesaved[name] = {
p = true,
c = column,
r = true,
x = true,
y = true,
w = scandimen(),
h = scandimen(),
d = scandimen(),
n = nofparagraphs > 0 and nofparagraphs or nil,
}
context(new_latelua_node(f_enhance(name)))
end
scanners.dosetpositionbox = function() -- name box
local name = scanstring()
local box = getbox(scaninteger())
tobesaved[name] = {
p = true,
c = column,
r = true,
x = true,
y = true,
w = getfield(box,"width"),
h = getfield(box,"height"),
d = getfield(box,"depth"),
n = nofparagraphs > 0 and nofparagraphs or nil,
}
context(new_latelua_node(f_enhance(name)))
end
scanners.dosetpositionplus = function() -- name w h d extra
local name = scanstring()
tobesaved[name] = {
p = true,
c = column,
r = true,
x = true,
y = true,
w = scandimen(),
h = scandimen(),
d = scandimen(),
n = nofparagraphs > 0 and nofparagraphs or nil,
e = scanstring(),
}
context(new_latelua_node(f_enhance(name)))
end
scanners.dosetpositionstrut = function() -- name
local name = scanstring()
local strutbox = getbox("strutbox")
tobesaved[name] = {
p = true,
c = column,
r = true,
x = true,
y = true,
h = getfield(strutbox,"height"),
d = getfield(strutbox,"depth"),
n = nofparagraphs > 0 and nofparagraphs or nil,
}
context(new_latelua_node(f_enhance(name)))
end
function jobpositions.getreserved(tag,n)
if tag == v_column then
local fulltag = f_tag_three(tag,texgetcount("realpageno"),n or 1)
local data = collected[fulltag]
if data then
return data, fulltag
end
tag = v_text
end
if tag == v_text then
local fulltag = f_tag_two(tag,texgetcount("realpageno"))
return collected[fulltag] or false, fulltag
end
return collected[tag] or false, tag
end
function jobpositions.copy(target,source)
collected[target] = collected[source]
end
function jobpositions.replace(id,p,x,y,w,h,d)
collected[id] = { p = p, x = x, y = y, w = w, h = h, d = d } -- c g
end
function jobpositions.page(id)
local jpi = collected[id]
return jpi and jpi.p
end
function jobpositions.region(id)
local jpi = collected[id]
if jpi then
local r = jpi.r
if r then
return r
end
local p = jpi.p
if p then
return "page:" .. p
end
end
return false
end
function jobpositions.column(id)
local jpi = collected[id]
return jpi and jpi.c or false
end
function jobpositions.paragraph(id)
local jpi = collected[id]
return jpi and jpi.n
end
jobpositions.p = jobpositions.page
jobpositions.r = jobpositions.region
jobpositions.c = jobpositions.column
jobpositions.n = jobpositions.paragraph
function jobpositions.x(id)
local jpi = collected[id]
return jpi and jpi.x
end
function jobpositions.y(id)
local jpi = collected[id]
return jpi and jpi.y
end
function jobpositions.width(id)
local jpi = collected[id]
return jpi and jpi.w
end
function jobpositions.height(id)
local jpi = collected[id]
return jpi and jpi.h
end
function jobpositions.depth(id)
local jpi = collected[id]
return jpi and jpi.d
end
function jobpositions.leftskip(id)
local jpi = collected[id]
return jpi and jpi.ls
end
function jobpositions.rightskip(id)
local jpi = collected[id]
return jpi and jpi.rs
end
function jobpositions.hsize(id)
local jpi = collected[id]
return jpi and jpi.hs
end
function jobpositions.parindent(id)
local jpi = collected[id]
return jpi and jpi.pi
end
function jobpositions.hangindent(id)
local jpi = collected[id]
return jpi and jpi.hi
end
function jobpositions.hangafter(id)
local jpi = collected[id]
return jpi and jpi.ha or 1
end
function jobpositions.xy(id)
local jpi = collected[id]
if jpi then
return jpi.x, jpi.y
else
return 0, 0
end
end
function jobpositions.lowerleft(id)
local jpi = collected[id]
if jpi then
return jpi.x, jpi.y - jpi.d
else
return 0, 0
end
end
function jobpositions.lowerright(id)
local jpi = collected[id]
if jpi then
return jpi.x + jpi.w, jpi.y - jpi.d
else
return 0, 0
end
end
function jobpositions.upperright(id)
local jpi = collected[id]
if jpi then
return jpi.x + jpi.w, jpi.y + jpi.h
else
return 0, 0
end
end
function jobpositions.upperleft(id)
local jpi = collected[id]
if jpi then
return jpi.x, jpi.y + jpi.h
else
return 0, 0
end
end
function jobpositions.position(id)
local jpi = collected[id]
if jpi then
return jpi.p, jpi.x, jpi.y, jpi.w, jpi.h, jpi.d
else
return 0, 0, 0, 0, 0, 0
end
end
function jobpositions.extra(id,n,default) -- assume numbers
local jpi = collected[id]
if jpi then
local e = jpi.e
if e then
local split = jpi.split
if not split then
split = lpegmatch(splitter,jpi.e)
jpi.split = split
end
return texsp(split[n]) or default -- watch the texsp here
end
end
return default
end
local function overlapping(one,two,overlappingmargin) -- hm, strings so this is wrong .. texsp
one = collected[one]
two = collected[two]
if one and two and one.p == two.p then
if not overlappingmargin then
overlappingmargin = 2
end
local x_one = one.x
local x_two = two.x
local w_two = two.w
local llx_one = x_one - overlappingmargin
local urx_two = x_two + w_two + overlappingmargin
if llx_one > urx_two then
return false
end
local w_one = one.w
local urx_one = x_one + w_one + overlappingmargin
local llx_two = x_two - overlappingmargin
if urx_one < llx_two then
return false
end
local y_one = one.y
local y_two = two.y
local d_one = one.d
local h_two = two.h
local lly_one = y_one - d_one - overlappingmargin
local ury_two = y_two + h_two + overlappingmargin
if lly_one > ury_two then
return false
end
local h_one = one.h
local d_two = two.d
local ury_one = y_one + h_one + overlappingmargin
local lly_two = y_two - d_two - overlappingmargin
if ury_one < lly_two then
return false
end
return true
end
end
local function onsamepage(list,page)
for id in gmatch(list,"(, )") do
local jpi = collected[id]
if jpi then
local p = jpi.p
if not p then
return false
elseif not page then
page = p
elseif page ~= p then
return false
end
end
end
return page
end
jobpositions.overlapping = overlapping
jobpositions.onsamepage = onsamepage
-- interface
scanners.replacepospxywhd = function() -- name page x y w h d
collected[scanstring()] = {
p = scaninteger(),
x = scandimen(),
y = scandimen(),
w = scandimen(),
h = scandimen(),
d = scandimen(),
}
end
scanners.copyposition = function() -- target source
collected[scanstring()] = collected[scanstring()]
end
scanners.MPp = function() -- name
local jpi = collected[scanstring()]
if jpi then
local p = jpi.p
if p and p ~= true then
context(p)
return
end
end
context('0')
end
scanners.MPx = function() -- name
local jpi = collected[scanstring()]
if jpi then
local x = jpi.x
if x and x ~= true and x ~= 0 then
context("%.5Fpt",x*pt)
return
end
end
context('0pt')
end
scanners.MPy = function() -- name
local jpi = collected[scanstring()]
if jpi then
local y = jpi.y
if y and y ~= true and y ~= 0 then
context("%.5Fpt",y*pt)
return
end
end
context('0pt')
end
scanners.MPw = function() -- name
local jpi = collected[scanstring()]
if jpi then
local w = jpi.w
if w and w ~= 0 then
context("%.5Fpt",w*pt)
return
end
end
context('0pt')
end
scanners.MPh = function() -- name
local jpi = collected[scanstring()]
if jpi then
local h = jpi.h
if h and h ~= 0 then
context("%.5Fpt",h*pt)
return
end
end
context('0pt')
end
scanners.MPd = function() -- name
local jpi = collected[scanstring()]
if jpi then
local d = jpi.d
if d and d ~= 0 then
context("%.5Fpt",d*pt)
return
end
end
context('0pt')
end
scanners.MPxy = function() -- name
local jpi = collected[scanstring()]
if jpi then
context('(%.5Fpt,%.5Fpt)',
jpi.x*pt,
jpi.y*pt
)
else
context('(0,0)')
end
end
scanners.MPll = function() -- name
local jpi = collected[scanstring()]
if jpi then
context('(%.5Fpt,%.5Fpt)',
jpi.x *pt,
(jpi.y-jpi.d)*pt
)
else
context('(0,0)') -- for mp only
end
end
scanners.MPlr = function() -- name
local jpi = collected[scanstring()]
if jpi then
context('(%.5Fpt,%.5Fpt)',
(jpi.x + jpi.w)*pt,
(jpi.y - jpi.d)*pt
)
else
context('(0,0)') -- for mp only
end
end
scanners.MPur = function() -- name
local jpi = collected[scanstring()]
if jpi then
context('(%.5Fpt,%.5Fpt)',
(jpi.x + jpi.w)*pt,
(jpi.y + jpi.h)*pt
)
else
context('(0,0)') -- for mp only
end
end
scanners.MPul = function() -- name
local jpi = collected[scanstring()]
if jpi then
context('(%.5Fpt,%.5Fpt)',
jpi.x *pt,
(jpi.y + jpi.h)*pt
)
else
context('(0,0)') -- for mp only
end
end
local function MPpos(id)
local jpi = collected[id]
if jpi then
local p = jpi.p
if p then
context("%s,%.5Fpt,%.5Fpt,%.5Fpt,%.5Fpt,%.5Fpt",
p,
jpi.x*pt,
jpi.y*pt,
jpi.w*pt,
jpi.h*pt,
jpi.d*pt
)
return
end
end
context('0,0,0,0,0,0') -- for mp only
end
scanners.MPpos = function() -- name
MPpos(scanstring())
end
scanners.MPn = function() -- name
local jpi = collected[scanstring()]
if jpi then
local n = jpi.n
if n then
context(n)
return
end
end
context(0)
end
scanners.MPc = function() -- name
local jpi = collected[scanstring()]
if jpi then
local c = jpi.c
if c and c ~= true then
context(c)
return
end
end
context('0') -- okay ?
end
scanners.MPr = function() -- name
local jpi = collected[scanstring()]
if jpi then
local r = jpi.r
if r and r ~= true then
context(r)
end
local p = jpi.p
if p then
context("page:" .. p)
end
end
end
local function MPpardata(n)
local t = collected[n]
if not t then
local tag = f_p_tag(n)
t = collected[tag]
end
if t then
context("%.5Fpt,%.5Fpt,%.5Fpt,%.5Fpt,%s,%.5Fpt",
t.hs*pt,
t.ls*pt,
t.rs*pt,
t.hi*pt,
t.ha,
t.pi*pt
)
else
context("0,0,0,0,0,0") -- for mp only
end
end
scanners.MPpardata = function() -- name
MPpardata(scanstring())
end
scanners.MPposset = function() -- name (special helper, used in backgrounds)
local name = scanstring()
local b = f_b_tag(name)
local e = f_e_tag(name)
local w = f_w_tag(name)
local p = f_p_tag(jobpositions.n(b))
MPpos(b) context(",") MPpos(e) context(",") MPpos(w) context(",") MPpos(p) context(",") MPpardata(p)
end
scanners.MPls = function() -- name
local jpi = collected[scanstring()]
if jpi then
context("%.5Fpt",jpi.ls*pt)
else
context("0pt")
end
end
scanners.MPrs = function() -- name
local jpi = collected[scanstring()]
if jpi then
context("%.5Fpt",jpi.rs*pt)
else
context("0pt")
end
end
local splitter = lpeg.tsplitat(",")
scanners.MPplus = function() -- name n default
local jpi = collected[scanstring()]
local n = scaninteger()
local default = scanstring()
if jpi then
local e = jpi.e
if e then
local split = jpi.split
if not split then
split = lpegmatch(splitter,jpi.e)
jpi.split = split
end
context(split[n] or default)
return
end
end
context(default)
end
scanners.MPrest = function() -- name default
local jpi = collected[scanstring()]
local default = scanstring()
context(jpi and jpi.e or default)
end
scanners.MPxywhd = function() -- name
local jpi = collected[scanstring()]
if jpi then
context("%.5Fpt,%.5Fpt,%.5Fpt,%.5Fpt,%.5Fpt",
jpi.x*pt,
jpi.y*pt,
jpi.w*pt,
jpi.h*pt,
jpi.d*pt
)
else
context("0,0,0,0,0") -- for mp only
end
end
local doif = commands.doif
local doifelse = commands.doifelse
scanners.doifelseposition = function() -- name
doifelse(collected[scanstring()])
end
scanners.doifposition = function() -- name
doif(collected[scanstring()])
end
scanners.doifelsepositiononpage = function() -- name page -- probably always realpageno
local c = collected[scanstring()]
local p = scaninteger()
doifelse(c and c.p == p)
end
scanners.doifelseoverlapping = function() -- one two
doifelse(overlapping(scanstring(),scanstring()))
end
scanners.doifelsepositionsonsamepage = function() -- list
doifelse(onsamepage(scanstring()))
end
scanners.doifelsepositionsonthispage = function() -- list
doifelse(onsamepage(scanstring(),tostring(texgetcount("realpageno"))))
end
scanners.doifelsepositionsused = function()
doifelse(next(collected))
end
scanners.markregionbox = function() -- box
markregionbox(scaninteger())
end
scanners.setregionbox = function() -- box
setregionbox(scaninteger())
end
scanners.markregionboxtagged = function() -- box tag
markregionbox(scaninteger(),scanstring())
end
scanners.setregionboxtagged = function() -- box tag
setregionbox(scaninteger(),scanstring())
end
scanners.markregionboxcorrected = function() -- box tag
markregionbox(scaninteger(),scanstring(),true)
end
-- statistics (at least for the moment, when testing)
statistics.register("positions", function()
local total = nofregular + nofusedregions + nofmissingregions
if total > 0 then
return format("%s collected, %s regulars, %s regions, %s unresolved regions",
total, nofregular, nofusedregions, nofmissingregions)
else
return nil
end
end)
|