summaryrefslogtreecommitdiffstats
path: root/lib/sisu/src_po4a_shelf.rb
blob: d34f2b684551a677aa67cc833684f824333f600e (plain)
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
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
# encoding: utf-8
=begin

* Name: SiSU

** Description: documents, structuring, processing, publishing, search
*** pot file generation

** Author: Ralph Amissah
  <ralph@amissah.com>
  <ralph.amissah@gmail.com>

** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
  2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Ralph Amissah,
  All Rights Reserved.

** License: GPL 3 or later:

  SiSU, a framework for document structuring, publishing and search

  Copyright (C) Ralph Amissah

  This program is free software: you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the Free
  Software Foundation, either version 3 of the License, or (at your option)
  any later version.

  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  more details.

  You should have received a copy of the GNU General Public License along with
  this program. If not, see <http://www.gnu.org/licenses/>.

  If you have Internet connection, the latest version of the GPL should be
  available at these locations:
  <http://www.fsf.org/licensing/licenses/gpl.html>
  <http://www.gnu.org/licenses/gpl.html>

  <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>

** SiSU uses:
  * Standard SiSU markup syntax,
  * Standard SiSU meta-markup syntax, and the
  * Standard SiSU object citation numbering and system

** Hompages:
  <http://www.jus.uio.no/sisu>
  <http://www.sisudoc.org>

** Git
  <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
  <http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/src_po4a_shelf.rb;hb=HEAD>

=end
module SiSU_Po4a
  require_relative 'ao'                                 # ao.rb
  require_relative 'se'                                 # se.rb
    include SiSU_Env
  require_relative 'ao_composite'                       # ao_composite.rb
  require_relative 'shared_metadata'                    # shared_metadata.rb
  require_relative 'src_po4a_shelf_set'                 # src_po4a_shelf_set.rb
  include SiSU_Param
  require_relative 'object_munge'                       # object_munge.rb
  require_relative 'utils_composite'                    # utils_composite.rb
  class Source
    include SiSU_Object_Munge
    @@opt_src,@@opt_trn,@@opt_src_,@@opt_trn_,@@md_src,@@md_trn=
          nil,      nil,       nil,       nil,     nil,     nil
    @@auto_translation_ = :go
    def initialize(opt,fn=nil)
      @opt,@fn=opt,fn
      #unless @opt.fns =~/(.+?\.(?:-|ssm\.)?sst)$/
      #  puts "#{@opt.fns} not a processed file type"
      #end
      file_arr=SiSU_Info_Env::InfoEnv.new.source_file_processing_array(@opt.fns)
      SiSU_Param::Parameters::Instructions.new(file_arr,@opt).extract
      r=Px[:lng_lst_rgx].gsub(/\|en\|/,'|')
      @lang_regx=%r{(?:#{r})}
      if opt.fns =~/\S+?~#{@lang_regx}\.ss[mti]/ \
      and opt.f_pth[:lng]!=@opt.lng_base
        @@opt_src_=false
        @@opt_trn=opt
        @@md_trn=SiSU_Param::Parameters.new(opt).get
      else
        @@opt_src_=true
        @@opt_src=opt
        @@md_src=SiSU_Param::Parameters.new(opt).get
      end
    end
    def wrap_width_set(md,env)
      if defined? md.make.plaintext_wrap \
      and md.make.plaintext_wrap
        md.make.plaintext_wrap
      elsif defined? env.plaintext_wrap \
      and env.plaintext_wrap
        env.plaintext_wrap
      else 78
      end
    end
    def process_file(md,env,file,wrap_width,fn)
      unless @opt.act[:quiet][:set]==:on
        tool=(@opt.act[:verbose][:set]==:on \
        || @opt.act[:verbose_plus][:set]==:on \
        || @opt.act[:maintenance][:set]==:on) \
        ? "#{env.program.text_editor} #{file.output_path.pot.dir}/"
        : @opt.fns
        (@opt.act[:verbose][:set]==:on \
        || @opt.act[:verbose_plus][:set]==:on \
        || @opt.act[:maintenance][:set]==:on) \
        ? SiSU_Screen::Ansi.new(
            @opt.act[:color_state][:set],
            'Pot po4a',
            tool
          ).green_hi_blue
        : SiSU_Screen::Ansi.new(
            @opt.act[:color_state][:set],
            'Pot po4a',
            tool
          ).green_title_hi
        if (@opt.act[:verbose][:set]==:on \
        || @opt.act[:verbose_plus][:set]==:on \
        || @opt.act[:maintenance][:set]==:on)
          SiSU_Screen::Ansi.new(
            @opt.act[:color_state][:set],
            @opt.fns,
            file.output_path.pot.dir
          ).flow
        end
      end
      if @opt.fns =~/\S+?~#{@lang_regx}\.ss[mti]/ \
      or @opt.f_pth[:lng] !=@opt.lng_base
        opt_lang_trn_fn=fn
        @ao_arr_lang_trans=
          SiSU_AO::Source.new(@opt,opt_lang_trn_fn,:po4a).get # ao file drawn here
        opt_lang_src_fn=(fn =~/\S+?~\S{2}(?:_\S{2})?\.ss[mti]/) \
        ? (fn.gsub(/(\S+?)~\S{2}(?:_\S{2})?(\.ss[mti])/,'\1\2')) #check i
        : fn
        transdir,srcdir=Dir.pwd,Dir.pwd
        if Dir.pwd.to_s =~/\/#{@lang_regx}$/
          transdir=Dir.pwd
          srcdir=transdir.
            gsub(/\/#{@lang_regx}$/,
              "/#{@opt.lng_base}")
          if FileTest.directory?(srcdir)
            Dir.chdir(srcdir)
          end
        else nil
        end
        if FileTest.file?("#{srcdir}/#{opt_lang_src_fn}")
          @ao_arr_lang_src=
            SiSU_AO::Source.new(
              @@opt_src,
              opt_lang_src_fn,
              :po4a
            ).get # ao file drawn here
        else
          puts "no identified source document"
          exit
        end
        Dir.chdir(transdir) if transdir
      else
        @ao_arr_lang_src=
          SiSU_AO::Source.new(
            @opt,
            fn,
            :po4a
          ).get # ao file drawn here
        @ao_arr_lang_trans=nil
      end
      SiSU_Po4a::Source::Scroll.new(
        fn,
        @ao_arr_lang_src,
        @ao_arr_lang_trans,
        @@md_src,
        @@md_trn,
        wrap_width
      ).songsheet
    end
    def read
      begin
        src={}
        src[:pth]=@opt.f_pth[:pth]
        src[:files]=if @opt.fns =~ /\.(?:(?:-|ssm\.)sst|ssm)$/
          @opt.fns=@opt.fns.gsub(/\.ssm\.sst$/,'.ssm')
          SiSU_Assemble::CompositeFileList.new(@opt).read
        else
          [@opt.fns]
        end
        md=SiSU_Param::Parameters.new(@opt).get
        env=SiSU_Env::InfoEnv.new(@opt.fns)
        file=SiSU_Env::FileOp.new(md)
        Po4aCfg.new(@opt,file).po4a_cfg
        wrap_width=wrap_width_set(md,env)
        src[:files].each do |fn|
          process_file(md,env,file,wrap_width,fn)
        end
      rescue
        SiSU_Errors::Rescued.new($!,$@,@opt.selections.str,@opt.fns).location do
          __LINE__.to_s + ':' + __FILE__
        end
      ensure
      end
    end
    private
    class Scroll <Source
      include SiSU_Po4aUtils
      @@endnotes={ para: [], end: [] }
      def initialize(fn,data_src,data_trn,md_src,md_trn,wrap_width)
        @fn,@data_src,@data_trn,@md_src,@md_trn,@wrap_width=
         fn, data_src, data_trn, md_src, md_trn, wrap_width
        @md=(md_trn.nil?) \
        ? md_src
        : md_trn
        @tab="\t"
        @@endnotes_=(@md.opt.selections.str =~/--endnote/) \
        ? true
        : false    # --footnote
        @pot={
          body: [],
          open: [],
          close: [],
          head: [],
          metadata: [],
          tail: []
        }
      end
      def br
        (@md.opt.selections.str =~/--dos/) ? "\r\n" : "\n"  # --unix
      end
      def songsheet
        fn=@fn
        pot=pot_markup(@data_src,@data_trn)
        publish(fn,pot)
      end
      def pot_structure_wrap(desc,orig,trans,indent=0,hang=0)
        SiSU_Po4aUtils::Wrap.new(
          @md,
          orig,
          trans,
          desc,
          @wrap_width,
          indent,
          hang
        )
      end
      def wrap_endnotes(orig_notes='',trn_notes='')
        nt=@@endnotes_ ? 'endnote' : 'footnote'
        @fn=0
        a_l=orig_notes.length
        0.upto(a_l-1) do |i|
          @fn=if orig_notes[i].to_s =~/^\^~([\d*+]+)/ # provides endnote number within paragraph
            @fn += 1
          else @fn
          end
          d="#{nt} #{@fn}"
          mark="^~ "
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# footnotes, the preferred sisu markup for a footnote is~{this is a footnote}~ } \
            + %{however, for translation a footnote reference marker in the text~^ } \
            + %{with a set of notes following the paragraph starting on a newline with "^~ this is a footnote", } \
            + %{is easier to deal with, if possible these should be converted back to~{inline notes}~}
            s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig=(orig_notes[i].to_s =~/^\^~[\d*+]+/) \
          ? (orig_notes[i].to_s.gsub(/^\^~[\d*+]+/,'^~'))
          : orig_notes[i].to_s
          trans=if trn_notes.is_a?(Array) \
          and trn_notes.length==orig_notes.length
            (trn_notes[i].to_s =~/^\^~[\d*+]+/) \
            ? (trn_notes[i].to_s.gsub(/^\^~[\d*+]+/,'^~'))
            : trn_notes[i].to_s
          else ''
          end
          util=pot_structure_wrap(desc,orig,trans)
          wrap=util.line_wrap
          wrap=if wrap =~ /^\s*\^~[\d*+]+\s+.+?\s*\Z/m
            wrap.gsub(/^\s*(\^~[\d*+]+)\s+(.+?)\s*\Z/m, <<GSUB
\\1 \\2
GSUB
                      )
          else
            wrap.gsub(/^(.+)\Z/m, <<GSUB
\\1
GSUB
                      )
          end
          @@endnotes[:para] << wrap
          @@endnotes[:end] << '' << wrap
        end
        @@endnotes[:para].each {|e| @pot[:body] << e << br}
        @@endnotes[:para]=[]
        @@endnotes
      end
      def pot_metadata_src
        @po4a_identify_type='type: SiSU doc' #'type: Plain text'
        meta_src=SiSU_Metadata::Summary.new(@md_src)
        w=[]
        w << [
          "#. #{@po4a_identify_type} - metadata: title",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.title.main,
          meta_src.metadata_tags.title.sub,
          meta_src.metadata_tags.title.edition,
          meta_src.metadata_tags.title.note,
          meta_src.metadata_tags.title.short,
          meta_src.metadata_tags.title.language,
          meta_src.metadata_tags.title.language_char,
          'msgstr ""',
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: creator",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.creator.head,
          meta_src.metadata_tags.creator.author,
          meta_src.metadata_tags.creator.contributor,
          meta_src.metadata_tags.creator.illustrator,
          meta_src.metadata_tags.creator.photographer,
          meta_src.metadata_tags.creator.translator,
          meta_src.metadata_tags.creator.audio,
          meta_src.metadata_tags.creator.digitized_by,
          meta_src.metadata_tags.creator.prepared_by,
          'msgstr ""',
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: rights",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.rights.head,
          meta_src.metadata_tags.rights.copyright.text,
          meta_src.metadata_tags.rights.copyright.translation,
          meta_src.metadata_tags.rights.copyright.illustrations,
          meta_src.metadata_tags.rights.copyright.photographs,
          meta_src.metadata_tags.rights.copyright.digitization,
          meta_src.metadata_tags.rights.copyright.audio,
          meta_src.metadata_tags.rights.license,
          'msgstr ""',
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: classify",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.classify.head,
          meta_src.metadata_tags.classify.subject,
          meta_src.metadata_tags.classify.topic_register,
          meta_src.metadata_tags.classify.loc,
          meta_src.metadata_tags.classify.dewey,
          #meta_src.metadata_tags.notes.relation,
          #meta_src.metadata_tags.notes.type,
          #meta_src.metadata_tags.identifier.oclc,
          #meta_src.metadata_tags.identifier.isbn,
          'msgstr ""',
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: date",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.date.head,
          meta_src.metadata_tags.date.added_to_site,
          meta_src.metadata_tags.date.available,
          meta_src.metadata_tags.date.created,
          meta_src.metadata_tags.date.issued,
          meta_src.metadata_tags.date.modified,
          meta_src.metadata_tags.date.published,
          meta_src.metadata_tags.date.valid,
          'msgstr ""',
        ]
        w << [
          "#. #{@po4a_identify_type} - processing, make instruction",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.processing_tags.make.language,
          meta_src.processing_tags.make.headings,
          meta_src.processing_tags.make.num_top,
          meta_src.processing_tags.make.breaks,
          meta_src.processing_tags.make.emphasis,
          meta_src.processing_tags.make.bold,
          meta_src.processing_tags.make.italics,
          meta_src.processing_tags.make.texpdf_font,
          'msgstr ""',
        ]
        w.each do |y|
          z=''
          y.each do |x|
            if x
              z += x + "\n" if x =~/^#|^msg(?:id|str)/
              z += %{"#{x}"\n} if x =~/^@\S+?:(?: |$)/
              z += %{"#{x}"\n} if x =~/^\s+:\S+?: /
            end
          end
          @pot[:metadata] << z << br
          #puts z unless z.empty?
        end
      end
      def pot_metadata_src_trn
        @po4a_identify_type='type: SiSU doc'
        #@po4a_identify_type='type: Plain text'
        meta_src=SiSU_Metadata::Summary.new(@md_src)
        meta_trn=SiSU_Metadata::Summary.new(@md_trn)
        w=[]
        w << [
          "#. #{@po4a_identify_type} - metadata: title",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.title.main,
          meta_src.metadata_tags.title.sub,
          meta_src.metadata_tags.title.edition,
          meta_src.metadata_tags.title.note,
          meta_src.metadata_tags.title.short,
          meta_src.metadata_tags.title.language,
          meta_src.metadata_tags.title.language_char,
          'msgstr ""',
          meta_trn.metadata_tags.title.main,
          meta_trn.metadata_tags.title.sub,
          meta_trn.metadata_tags.title.edition,
          meta_trn.metadata_tags.title.note,
          meta_trn.metadata_tags.title.short,
          meta_trn.metadata_tags.title.language,
          meta_trn.metadata_tags.title.language_char,
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: creator",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.creator.head,
          meta_src.metadata_tags.creator.author,
          meta_src.metadata_tags.creator.contributor,
          meta_src.metadata_tags.creator.illustrator,
          meta_src.metadata_tags.creator.photographer,
          meta_src.metadata_tags.creator.translator,
          meta_src.metadata_tags.creator.audio,
          meta_src.metadata_tags.creator.digitized_by,
          meta_src.metadata_tags.creator.prepared_by,
          'msgstr ""',
          meta_trn.metadata_tags.creator.head,
          meta_trn.metadata_tags.creator.author,
          meta_trn.metadata_tags.creator.contributor,
          meta_trn.metadata_tags.creator.illustrator,
          meta_trn.metadata_tags.creator.photographer,
          meta_trn.metadata_tags.creator.translator,
          meta_trn.metadata_tags.creator.audio,
          meta_trn.metadata_tags.creator.digitized_by,
          meta_trn.metadata_tags.creator.prepared_by,
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: rights",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.rights.head,
          meta_src.metadata_tags.rights.copyright.text,
          meta_src.metadata_tags.rights.copyright.translation,
          meta_src.metadata_tags.rights.copyright.illustrations,
          meta_src.metadata_tags.rights.copyright.photographs,
          meta_src.metadata_tags.rights.copyright.digitization,
          meta_src.metadata_tags.rights.copyright.audio,
          meta_src.metadata_tags.rights.license,
          'msgstr ""',
          meta_trn.metadata_tags.rights.head,
          meta_trn.metadata_tags.rights.copyright.text,
          meta_trn.metadata_tags.rights.copyright.translation,
          meta_trn.metadata_tags.rights.copyright.illustrations,
          meta_trn.metadata_tags.rights.copyright.photographs,
          meta_trn.metadata_tags.rights.copyright.digitization,
          meta_trn.metadata_tags.rights.copyright.audio,
          meta_trn.metadata_tags.rights.license,
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: classify",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.classify.head,
          meta_src.metadata_tags.classify.subject,
          meta_src.metadata_tags.classify.topic_register,
          meta_src.metadata_tags.classify.loc,
          meta_src.metadata_tags.classify.dewey,
          #meta_src.metadata_tags.notes.relation,
          #meta_src.metadata_tags.notes.type,
          #meta_src.metadata_tags.identifier.oclc,
          #meta_src.metadata_tags.identifier.isbn,
          'msgstr ""',
          meta_trn.metadata_tags.classify.head,
          meta_trn.metadata_tags.classify.subject,
          meta_trn.metadata_tags.classify.topic_register,
          meta_trn.metadata_tags.classify.loc,
          meta_trn.metadata_tags.classify.dewey,
          #meta_trn.metadata_tags.notes.relation,
          #meta_trn.metadata_tags.notes.type,
          #meta_trn.metadata_tags.identifier.oclc,
          #meta_trn.metadata_tags.identifier.isbn,
        ]
        w << [
          "#. #{@po4a_identify_type} - metadata: date",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.metadata_tags.date.head,
          meta_src.metadata_tags.date.added_to_site,
          meta_src.metadata_tags.date.available,
          meta_src.metadata_tags.date.created,
          meta_src.metadata_tags.date.issued,
          meta_src.metadata_tags.date.modified,
          meta_src.metadata_tags.date.published,
          meta_src.metadata_tags.date.valid,
          'msgstr ""',
          meta_trn.metadata_tags.date.head,
          meta_trn.metadata_tags.date.added_to_site,
          meta_trn.metadata_tags.date.available,
          meta_trn.metadata_tags.date.created,
          meta_trn.metadata_tags.date.issued,
          meta_trn.metadata_tags.date.modified,
          meta_trn.metadata_tags.date.published,
          meta_trn.metadata_tags.date.valid,
        ]
        w << [
          "#. #{@po4a_identify_type} - processing, make instruction",
          "#: en/#{@md.fns}:#{SiSU_Po4aUtils::PotNumber.new.num}",
          'msgid ""',
          meta_src.processing_tags.make.language,
          meta_src.processing_tags.make.headings,
          meta_src.processing_tags.make.num_top,
          meta_src.processing_tags.make.breaks,
          meta_src.processing_tags.make.emphasis,
          meta_src.processing_tags.make.bold,
          meta_src.processing_tags.make.italics,
          meta_src.processing_tags.make.texpdf_font,
          'msgstr ""',
          meta_trn.processing_tags.make.language,
          meta_trn.processing_tags.make.headings,
          meta_trn.processing_tags.make.num_top,
          meta_trn.processing_tags.make.breaks,
          meta_trn.processing_tags.make.emphasis,
          meta_trn.processing_tags.make.bold,
          meta_trn.processing_tags.make.italics,
          meta_trn.processing_tags.make.texpdf_font,
        ]
        w.each do |y|
          z=''
          y.each do |x|
            if x
              z += x + "\n" if x =~/^#|^msg(?:id|str)/
              z += %{"#{x}"\n} if x =~/^@\S+?:(?: |$)/
              z += %{"#{x}"\n} if x =~/^\s+:\S+?: /
            end
          end
          @pot[:metadata] << z << br
          #puts z unless z.empty?
        end
      end
      def auto_translate?(set_to=nil)
        @@auto_translation_=
        if @md.opt.act[:po4a_lang_trans][:set]==:on
          set_to \
          ? set_to
          : @@auto_translation_
        else :skip
        end
      end
      def auto_translation(src_txt,markup=:src) # check for an appropriate request flag
        auto_translate?(:skip)
        begin
          src_txt_clean=clean_text(src_txt,markup)
          src_txt_clean=src_txt_clean.
            gsub(/\n/,' ').
            gsub(/"/,'\"').
            gsub(/([()])/,'\\\\\1')
          trans=''
          unless auto_translate? == :skip
            require 'timeout'
            Timeout::timeout(60) {
              trans=`trans -b -no-ansi en:#{@md.opt.f_pth[:lng_is]} #{src_txt_clean}`.strip
              unless trans.empty?
                trans + ' {[G.Tr]}http://translate.google.com'
              end
            }
          end
          trans
        rescue
          auto_translate?(:skip)
          p 'timeout issues with translation, skip remaining'
        end
      end
      def pot_structure
        def heading(dob_src='',notes_s='',dob_trn='',notes_t='')   #% used to extract the structure of a document
          lv=n=n3=nil
          lv=dob_src.ln
          n=lv - 1
          n3=lv + 2
          util=nil
          fn=(dob_src.name=~/[a-z\d]/i) ? dob_src.name : ''
          mark="#{dob_src.lv}~#{fn} "
          d="#{dob_src.is.to_s} (level #{dob_src.lv})"
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# markup for headings is marker at the start of the line/object, } \
            + %{indicating the heading level, and if provided an associated name tag, } \
            + %{this heading is "#{mark}"}
            s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig="#{s_mark}#{dob_src.obj}"
          trans=((dob_trn=='') \
          || (dob_src.obj == dob_trn.obj)) \
          ? ''
          : "#{s_mark}#{dob_trn.obj}"
          if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
          and trans.empty? \
          and auto_translate?
            trans=auto_translation(dob_src.obj,:src)
          end
          util=pot_structure_wrap(desc,orig,trans)
          wrapped=util.line_wrap
          @pot[:body] << wrapped << br # main text, contents, body KEEP
          if @@endnotes[:para] \
          and notes_s.length > 0 \
          and not @@endnotes_
            @pot[:body] << br
            wrap_endnotes(notes_s,notes_t)
          elsif @@endnotes[:para] \
          and @@endnotes_
            @pot[:body] << br*2
          end
        end
        def para(dob_src='',notes_s='',dob_trn='',notes_t='')      #% used to extract the structure of a document
          util=nil
          wrapped=if dob_src.indent =~/[1-9]/ \
          and dob_src.indent == dob_src.hang
            s_mark=desc=orig=trans=''
            if dob_src.bullet_
              mark="_#{dob_src.indent}* "
              d="#{dob_src.is.to_s}: indent #{dob_src.indent}, bullet"
              instruct=s_mark=''
              if @md.opt.act[:maintenance][:set]==:on
                instruct=%{\n# markup for indented bullet text is at the start of the line/object, } \
                + %{an underscore followed by the indent level and an asterisk "#{mark}"}
                s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
              end
              desc="#{d}#{s_mark}#{instruct}"
            else
              mark="_#{dob_src.indent} "
              d="#{dob_src.is.to_s}: indent #{dob_src.indent}"
              instruct=s_mark=''
              if @md.opt.act[:maintenance][:set]==:on
                instruct=%{\n# markup for indented text is at the start of the line/object, } \
                + %{an underscore followed by the indent level "#{mark}"}
                s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
              end
              desc="#{d}#{s_mark}#{instruct}"
            end
            orig="#{s_mark}#{dob_src.obj}"
            trans=((dob_trn=='') \
            || (dob_src.obj == dob_trn.obj)) \
            ? ''
            : "#{s_mark}#{dob_trn.obj}"
            if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
            and trans.empty? \
            and auto_translate?
              trans=auto_translation(dob_src.obj,:src)
            end
            util=pot_structure_wrap(desc,orig,trans)
          elsif dob_src.hang =~/[0-9]/ \
          and dob_src.indent != dob_src.hang
            s_mark=desc=orig=trans=''
            mark="_#{dob_src.hang}_#{dob_src.indent} "
            d="#{dob_src.is.to_s}: hang #{dob_src.hang} indent #{dob_src.indent}"
            instruct=s_mark=''
            if @md.opt.act[:maintenance][:set]==:on
              instruct=%{\n# markup for indented text with a first line indented } \
              + %{to a different level from the rest of the paragraph, } \
              + %{is at the start of the line/object, } \
              + %{an underscore and the first indent level } \
              + %{a second underscore and the indent level for the rest of the paragraph, "#{mark1}"}
              s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
            end
            desc="#{d}#{s_mark}#{instruct}"
            orig="#{s_mark}#{dob_src.obj}"
            trans=((dob_trn=='') \
            || (dob_src.obj == dob_trn.obj)) \
            ? ''
            : "#{s_mark}#{dob_trn.obj}"
            if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
            and trans.empty? \
            and auto_translate?
              trans=auto_translation(dob_src.obj,:src)
            end
            util=pot_structure_wrap(desc,orig,trans)
          else
            s_mark=desc=orig=trans=''
            if dob_src.bullet_
              mark='_* '
              d="#{dob_src.is.to_s}: bullet"
              instruct=s_mark=''
              if @md.opt.act[:maintenance][:set]==:on
                instruct=%{\n# markup for indented text is at the start of the line/object, } \
                + %{an underscore followed by an asterisk "#{mark}"}
                s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
              end
              desc="#{d}#{s_mark}#{instruct}"
              orig="#{s_mark}#{dob_src.obj}"
              trans=((dob_trn=='') \
              || (dob_src.obj == dob_trn.obj)) \
              ? ''
              : "#{s_mark}#{dob_trn.obj}"
              if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
              and trans.empty? \
              and auto_translate?
                trans=auto_translation(dob_src.obj,:src)
              end
            else
              mark=''
              d=dob_src.is.to_s
              instruct=%{\n# regular paragraph, no special markup}
              if @md.opt.act[:maintenance][:set]==:on
                instruct="\n# "
                s_mark="\n# " + %{"\\n\\n#{mark}...\\n\\n"}
              end
              desc="#{d}#{s_mark}#{instruct}"
              orig=dob_src.obj
              trans=((dob_trn=='') \
              || (dob_src.obj == dob_trn.obj)) \
              ? ''
              : "#{s_mark}#{dob_trn.obj}"
              if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
              and trans.empty? \
              and auto_translate?
                trans=auto_translation(dob_src.obj,:src)
              end
            end
            util=pot_structure_wrap(desc,orig,trans)
          end
          wrapped=util.line_wrap
          @pot[:body] << wrapped << br # main text, contents, body KEEP
          if @@endnotes[:para] \
          and notes_s.length > 0 \
          and not @@endnotes_
            @pot[:body] << br
            wrap_endnotes(notes_s,notes_t)
          elsif @@endnotes[:para] \
          and @@endnotes_
            @pot[:body] << br*2
          end
        end
        def block(dob_src='',notes_s='',dob_trn='',notes_t='')     #% used to extract the structure of a document
          mark="block{\\n\\n...\\n\\n}block"
          d=dob_src.is.to_s
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# block text is a text block with an opening and closing marker, } \
            + %{the content of which may be wrapped}
            s_mark="\n# " + %{"\\n\\n#{mark}\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig=dob_src.obj
          trans=((dob_trn=='') \
          || (dob_src.obj == dob_trn.obj)) \
          ? ''
          : "#{s_mark}#{dob_trn.obj}"
          if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
          and trans.empty? \
          and auto_translate?
            trans=auto_translation(dob_src.obj,:src)
          end
          util=pot_structure_wrap(desc,orig,trans)
          unwrapped=util.no_line_wrap_block
          @pot[:body] << unwrapped << br
        end
        def group(dob_src='',notes_s='',dob_trn='',notes_t='')     #% used to extract the structure of a document
          mark="group{\\n\\n...\\n\\n}group"
          d=dob_src.is.to_s
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# group text is a text block with an opening and closing marker, } \
            + %{the content of which may be wrapped}
            s_mark="\n# " + %{"\\n\\n#{mark}\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig=dob_src.obj
          trans=((dob_trn=='') \
          || (dob_src.obj == dob_trn.obj)) \
          ? ''
          : "#{s_mark}#{dob_trn.obj}"
          if @md.opt.f_pth[:lng_is] !=@md.opt.lng_base \
          and trans.empty? \
          and auto_translate?
            trans=auto_translation(dob_src.obj,:src)
          end
          util=pot_structure_wrap(desc,orig,trans)
          unwrapped=util.no_line_wrap_block
          @pot[:body] << unwrapped << br
        end
        def verse(dob_src='',notes_s='',dob_trn='',notes_t='')     #% used to extract the structure of a document
          mark="poem{\n\nverse\n\nverse\n\n...\n\n}poem"
          d=dob_src.is.to_s
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# verse are part of the text block described as a poem, } \
            + %{the first verse is preceeded by an opening marker, } \
            + %{and the last verse by a closing marker, } \
            + %{the content of which should remain unwrapped}
            s_mark="\n# " + %{"\\n\\n#{mark}\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig=dob_src.obj
          trans=(dob_trn=='') ? '' : dob_trn.obj
          util=pot_structure_wrap(desc,orig,trans)
          unwrapped=util.no_line_wrap_block
          @pot[:body] << unwrapped << br
        end
        def code(dob_src='',notes_s='',dob_trn='',notes_t='')      #% used to extract the structure of a document
          mark="code{\\n\\n...\\n\\n}code"
          d=dob_src.is.to_s
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# codeblocks are a text block with an opening and closing marker, } \
            + %{the content of which should remain unwrapped}
            s_mark="\n# " + %{"\\n\\n#{mark}\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig=dob_src.obj
          trans=(dob_trn=='') ? '' : dob_trn.obj
          util=pot_structure_wrap(desc,orig,trans)
          unwrapped=util.no_line_wrap_block
          @pot[:body] << unwrapped << br
        end
        def table(dob_src='',notes_s='',dob_trn='',notes_t='')     #% used to extract the structure of a document
          mark="table{\\n\\n...\\n\\n}table"
          d=dob_src.is.to_s
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# tables are a text block with an opening and closing marker, } \
            + %{the content of which should remain unwrapped}
            s_mark="\n# " + %{"\\n\\n#{mark}\\n\\n"}
          end
          desc="#{d}#{s_mark}#{instruct}"
          orig=dob_src.obj
          orig=orig.gsub(/#{Mx[:tc_c]}/,"\n")
          trans=(dob_trn=='') ? '' : dob_trn.obj
          trans=trans.gsub(/#{Mx[:tc_c]}/,"\n")
          util=pot_structure_wrap(desc,orig,trans)
          unwrapped=util.no_line_wrap_block
          @pot[:body] << unwrapped << br
        end
        def idx_markup(idx)
          struct=['={']
          idx.sort.each do |x|
            x.each_with_index do |y,i0|
              case y
              when String
                struct << ';' unless struct[-1] =~/=\{/
                struct << y
                if x[i0+1].class == Hash \
                and x[i0+1][:sub].length > 0
                  struct << ':'
                end
              when Hash
                if y[:plus].to_i > 0
                  struct << '+' + y[:plus].to_s
                end
                if y[:sub].length > 0
                  y[:sub].each_with_index do |z,i1|
                    z.each_with_index do |a,i2|
                      #p a
                      if z.length > 0
                        struct << a[0]
                        if a[1][:plus].to_i > 0
                          struct << '+' + a[1][:plus].to_s
                        end
                        if (i1 + 1) < y[:sub].length
                          struct << '|'
                        end
                      end
                    end
                  end
                end
              end
            end
          end
          struct << '}'
          #puts struct.join
          struct.join
        end
        def idx(dob_src='',dob_trn='')                             #% used for book index but broken as original markup lost, already abstracted, fix
          mark="={ ... }"
          instruct=s_mark=''
          if @md.opt.act[:maintenance][:set]==:on
            instruct=%{\n# the book index should be attached unwrapped to the preceding text block } \
            + %{(there should be a new line, but no empty line)}
            s_mark="\n# " + %{"\\n#{mark}\\n\\n"}
          end
          d='book-idx'
          desc="#{d}#{s_mark}#{instruct}"
          orig=pot_structure.idx_markup(dob_src.idx) #'={' + dob_src.idx + '}'
          trans=if defined? dob_trn.idx \
          and not dob_trn.idx.nil? \
          and not dob_trn.idx.empty?
            pot_structure.idx_markup(dob_trn.idx) #'={' + dob_trn.idx + '}'
          else ''
          end
          util=pot_structure_wrap(desc,orig,trans)
          unwrapped=util.no_line_wrap_block
          @pot[:body] << unwrapped << br
        end
        self
      end
      def pot_markup(data_src,data_trn)
        #@endnotes,@copen,@pot_contents_close=Array.new(3){[]}
        a_l=if data_trn
        a_l=(data_src.length >= data_trn.length) \
        ? data_src.length
        : data_trn.length
        else
          data_src.length
        end
        s,t=0,0
        if @md.fns =~ /\.(?:(?:-|ssm\.)?sst|ssm)$/
          (data_trn.nil?) \
          ? pot_metadata_src
          : pot_metadata_src_trn
        end
        0.upto(a_l-1) do |i|
          if data_trn
            unless data_src[s] \
            and data_trn[t]
              break
            end
            if data_src[s].of == :comment \
            and data_trn[t].of == :comment \
            and (data_src[s].is == data_trn[t].is)
              s+=1;t+=1
              next
            end
            if ((data_src[s].is == :comment) \
            || (data_trn[t].is == :comment)) \
            and (data_src[s].is != data_trn[t].is)
              if data_src[s].is == :comment
                if @md.opt.act[:maintenance][:set]==:on
                  puts "src (comment):\n\t" \
                  + data_src[s].obj
                end
                s+=1
                #next if data_src[s].is == :comment
              elsif data_trn[t].is == :comment
                if @md.opt.act[:maintenance][:set]==:on
                  puts "trans (comment):\n\t" \
                  + data_trn[t].obj
                end
                t+=1
                #next if data_trn[t].is == :comment
              end
            end
            if ((defined? data_src[s].ocn) \
            && (data_src[s].ocn.is_a?(Fixnum))) \
            and ((defined? data_trn[t].ocn) \
            && (data_trn[t].ocn.is_a?(Fixnum))) \
            and (data_src[s].ocn == data_trn[t].ocn)
              @m_s,@m_t=s,t
            elsif ((defined? data_src[s].ocn) \
            && (data_src[s].ocn.is_a?(Fixnum))) \
            and ((defined? data_trn[t].ocn) \
            && (data_trn[t].ocn.is_a?(Fixnum))) \
            and (data_src[s].ocn != data_trn[t].ocn)
              p '--- OCN ---'
              p 'mis-match'
              p data_src[s].ocn
              p data_src[s].obj
              p data_trn[t].ocn
              p data_trn[t].obj
              p '---'
              p 'previous match'
              p data_src[@m_s].ocn
              p data_src[@m_s].obj
              p data_trn[@m_t].ocn
              p data_trn[@m_t].obj
              exit
            elsif (((defined? data_src[s].ocn) \
            && (defined? data_trn[t].ocn)) \
            and data_src[s].ocn.class != data_trn[t].ocn.class)
              p '--- OCN class ---'
              p 'mis-match'
              p data_src[s].ocn if defined? data_src[s].ocn
              p data_src[s].obj
              p data_trn[t].ocn if defined? data_trn[t].ocn
              p data_trn[t].obj
              #p '---'
              #p 'previous match'
              #p data_src[@m_s].ocn
              #p data_src[@m_s].obj
              #p data_trn[@m_t].ocn
              #p data_trn[@m_t].obj
            #elsif (defined? data_src[s].ocn != defined? data_trn[t].ocn) \
            #and (data_src[s].ocn.nil? != data_trn[t].ocn.nil?)
            #  p '--- missing OCN? ---'
            #  p 'mis-match'
            #  p data_src[s].ocn if defined? data_src[s].ocn
            #  p data_src[s].obj
            #  p data_trn[t].ocn if defined? data_trn[t].ocn
            #  p data_trn[t].obj
            else
            end
          end
          notes_s,notes_t='',''
          data_src[s],notes_s=markup(data_src[s])
          if data_trn
            data_trn[t],notes_t=markup(data_trn[t])
            #data_src[s],data_trn[t]=pot_data(data_src[s],notes_s,data_trn[t],notes_t)
            pot_data(data_src[s],notes_s,data_trn[t],notes_t)
          else
            #data_src[s],nul=pot_data(data_src[s],notes_s)
            pot_data(data_src[s],notes_s)
          end
          s+=1;t+=1
        end
        @pot #watch
      end
      def pot_data(dob_src='',notes_s='',dob_trn='',notes_t='')
        if dob_src.obj !~/(^#{Rx[:meta]}|#{Mx[:br_eof]}|#{Mx[:br_endnotes]})/
          if defined? dob_src.ocn \
          and dob_src.ocn.to_s =~/\d+/
            paranum=dob_src.ocn.to_s
            @p_num=SiSU_Po4aUtils::ParagraphNumber.new(paranum)
          end
          case dob_src.is
          when :heading
            pot_structure.heading(dob_src,notes_s,dob_trn,notes_t)
          when :para
            pot_structure.para(dob_src,notes_s,dob_trn,notes_t)
          when :group
            pot_structure.group(dob_src,notes_s,dob_trn,notes_t)
          when :block
            pot_structure.block(dob_src,notes_s,dob_trn,notes_t)
          when :verse
            pot_structure.verse(dob_src,notes_s,dob_trn,notes_t)
          when :code
            pot_structure.code(dob_src,notes_s,dob_trn,notes_t)
          when :table
            pot_structure.table(dob_src,notes_s,dob_trn,notes_t)
          end
          if defined? dob_src.idx \
          and not dob_src.idx.nil? \
          and not dob_src.idx.empty?
            pot_structure.idx(dob_src,dob_trn)
          end
          dob_src='' if (dob_src.obj =~/<a name="n\d+">/ \
          and dob_src.obj =~/^(-\{{2}~\d+|<!e[:_]\d+!>)/) # -endnote
          if dob_src ## Clean Prepared Text
            dob_src.obj=dob_src.obj.gsub(/<!.+!>/,' ').
              gsub(/<:\S+>/,' ') if dob_src ## Clean Prepared Text
          end
        end
        #[dob_src,dob_trn]
      end
      def markup(dob)
        dob,notes=objects.textface_marks_po4a(dob,:separate)
        [dob,notes]
      end
      def publish(fn,pot)
        content=[]
        content << pot[:open]
        content << pot[:head]
        content << pot[:metadata]
        content << pot[:body]
        content << @@endnotes[:end] if @@endnotes_
        Output.new(fn,content,@md,@process).po4a
        @@endnotes={ para: [], end: [] }
      end
    end
    class Po4aCfg
      include SiSU_Composite_Doc_Utils                    # composite doc, .ssm, extract all related insert files, array of filenames test
      def initialize(opt,file)
        @opt,@file=opt,file
      end
      def po4a_cfg_filename
        'po4a.cfg'
      end
      def dir
        def pwd
          Dir.pwd
        end
        def po4a_
          'po4a/' # ''
        end
        def pot
          po4a_ + 'pot'
        end
        def po
          po4a_ + 'po'
        end
        self
      end
      def po4a_cfg_file
        File.open("#{Dir.pwd}/#{po4a_cfg_filename}",'w')
      end
      def language
        def sisu_languages_available
          Px[:lng_lst]
        end
        def translation_languages_selected
          @opt.act[:po4a_lang_trans][:trn] \
          ? @opt.act[:po4a_lang_trans][:trn]
          : []
        end
        def translation_languages_selected_that_are_available
          translation_languages_selected & sisu_languages_available
        end
        def source_language_selected_str
          @opt.act[:po4a_lang_trans][:src] \
          ? @opt.act[:po4a_lang_trans][:src]
          : 'en'
        end
        def translation_languages_selected_that_are_available_str
          translation_languages_selected_that_are_available.join(' ')
        end
        def translation_languages_selected_str
          @opt.act[:po4a_lang_trans][:trn].join(' ')
        end
        self
      end
      def po4a_cfg
        doc_import_list=composite_and_imported_filenames_array(@opt.fno)
        po4a_cfg_arr=[]
        po4a_cfg_arr \
          << "[po4a_langs] #{language.translation_languages_selected_that_are_available_str}"
        po4a_cfg_arr \
          << "[po4a_paths] #{dir.pot}/$master.pot $lang:#{dir.po}/$lang/$master.po"
        doc_import_list.each do |file_src|
          file_src_fn=
            file_src.gsub(/#{language.source_language_selected_str}\//,'')
          po4a_cfg_arr \
            << "[type: text] #{file_src} $lang:$lang/#{file_src_fn}"
        end
        file=@file.write_file.po4a_cfg
        po4a_cfg_arr.each do |txt|
        puts txt
          file << txt << "\n"
        end
        file.close
      end
    end
    class Output <Source
      include SiSU_Param
      include SiSU_Env
      def initialize(fn,content,md,process=:complete)
        @fn,@content,@md,@process=fn,content,md,process
        @file=SiSU_Env::FileOp.new(md,fn)
      end
      def po4a                                                                 #%pot output
        file_pot=(@md.opt.f_pth[:lng] == @md.opt.lng_base) \
        ? @file.write_file.pot
        : @file.write_file.po
        @sisu=[]
        emptyline=0
        @content.each do |para|                                                # this is a hack
          if para.is_a?(Array) \
          and para.length > 0
            para.each do |line|
              if line
                line=line.gsub(/\s+$/m,'').
                  gsub(/^\A[ ]*\Z/m,'')
                if line=~/^\A[ ]*\Z/m
                  emptyline+=1
                else emptyline=0
                end
                file_pot.puts line if emptyline < 2                     #remove extra line spaces (fix upstream)
              end
            end
          else file_pot.puts para          #unix plaintext # /^([*=-]|\.){5}/
          end
        end
        file_pot.close
        SiSU_Po4aUtils::PotNumber.new.reset
        po4a_git
      end
      def po4a_git
        unless @md.opt.act[:maintenance][:set]==:on
          require_relative 'git'                           # git.rb
          git=SiSU_Git::Source.new(@md.opt,@process)
          unless FileTest.directory?(@file.output_path.pot_git.dir)
            git.create_file_structure_git
          end
          if @md.opt.f_pth[:lng] == @md.opt.lng_base
            FileUtils::cp(
              @file.place_file.pot.dir,
              @file.output_path.pot_git.dir
            )
          else # naive, work on -->
            FileUtils::cp(
              @file.place_file.po.dir,
              @file.output_path.po_git.dir
            ) #unless FileTest.file?(@file.place_file.po_git.dir)
          end
          git.read
        end
      end
    end
  end
end
__END__
&#033;\|&#035;\|&&#042;\|&#045;\|&#047;\|&#095;\|&#123;\|&#125;\|&#126;\|&#

tables are problematic, difficult to reconstitute instruction, check

metadata, move to top? and work on

footnotes, different types, asterisk, also do you want to have separate
paragraphs, or breaks within one block?

where no ocn appropriately use ~# or -# or indeed 1~name-

comments in document, what to do about them, not sure they are currently
retained in dal, could be quite valuable to keep

Translate Shell
http://www.soimort.org/translate-shell/
translate.google.com