aboutsummaryrefslogtreecommitdiffhomepage
path: root/lib/sisu/v0/texpdf.rb
blob: 7f5719a67e59ad42e96c79ad321006f61b7cd925 (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
# coding: utf-8
=begin

 * Name: SiSU

 * Description: a framework for document structuring, publishing and search

 * Author: Ralph Amissah

 * Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
   2007, 2008, 2009 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.jus.uio.no/sisu/gpl.fsf/toc.html>
   <http://www.jus.uio.no/sisu/gpl.fsf/doc.html>
   <http://www.jus.uio.no/sisu/gpl.fsf/plain.txt>

 * 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>

 * Download:
   <http://www.jus.uio.no/sisu/SiSU/download.html>

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

 ** Description: LaTeX generation

=end
module SiSU_TeX
  require 'pstore'
  require "#{SiSU_lib}/defaults"
  include SiSU_Viz
  require "#{SiSU_lib}/particulars"
  include SiSU_Particulars
  require "#{SiSU_lib}/texpdf_format"
  include SiSU_TeX_Pdf
  @tex_file=@@tex_footnote_array=@@tex_col_w=[]
  @@tex_backslash ||="\\\\"
  @@tilde='\\\\\\~' #?? debug crazy
  @@tabular="{tabular}"
  @@column_instruct=@@squigle_close=@@tex_line_mode=@@tex_word_mode=@@line_mode=''
  @@tex_debug_counter=@@table_pagebreak_counter=@@tex_footnote_call_counter=@@tex_table_flag=@@tex_counter=@@tex_column=@@tex_columns=@@tex_columns=@@counting=0
  @@tex_pattern_margin_number=/\\\\begin\\\{tiny\\\}\\\\hspace\\\{0mm\\\}\\\\end\\\{tiny\\\}\\\{\\\\marginpar.+?\s+/
  #@@tex_pattern_margin_number="\\\\marginpar.+?\s+"
  @@n=@@tableheader=@@rights=nil
  @@date ||=SiSU_Env::Info_date.new
  class Source #Songsheet #<SiSU_Param::MyFiles
    require 'pstore'
    require "#{SiSU_lib}/sysenv"
    include SiSU_Env
    include SiSU_Viz
    require "#{SiSU_lib}/dal"
    include SiSU_DAL
    include SiSU_TeX
    def initialize(opt)
      @opt=opt
      @particulars=SiSU_Particulars::Combined_singleton.instance.get_all(opt)
      @md=@particulars.md
      @env=@particulars.env
    end
    def directories
      begin
        @dir_out_root=@env.path.output
        case @opt.fns
        when /\.(?:-|ssm\.)?sst$/
          SiSU_Env::SiSU_file.new(@md).mkdir
          Dir.mkdir(@env.path.tex) unless FileTest.directory?(@env.path.tex)
        end
      rescue; SiSU_Errors::Info_error.new($!,$@,@opt.cmd,@opt.fns).error
      ensure
      end
    end
    def read
      songsheet
    end
    def songsheet
      begin
        @md=@particulars.md
        tell=SiSU_Screen::Ansi.new(@opt.cmd,'LaTeX/PDF')
        tell.green_title_hi unless @opt.cmd =~/q/
        path=@env.url.output_tell
        tell=SiSU_Screen::Ansi.new(@opt.cmd,@opt.fns,"#{@env.program.pdf_viewer} #{path}/#{@md.fnb}/#{@md.fn[:pdf_l]}")
        tell.flow if @opt.cmd =~/[MVv]/
        tell=SiSU_Screen::Ansi.new(@opt.cmd,@opt.fns,"#{@env.program.pdf_viewer} #{path}/#{@md.fnb}/#{@md.fn[:pdf_p]}")
        tell.flow if @opt.cmd =~/[MVv]/
        @md=@particulars.md
        SiSU_Env::Create_file.new(@opt.cmd,@opt.fns)
        $flag=@md.cmd                                                         #introduced to pass 0 for no object citation numbers... to texpdf_format
        @dir_o="#{@env.path.output}/#{@opt.fnb}"
        directories
                                                                             #% needed needs to be reprogrammed !!!
        SiSU_Env::Info_skin.new(@md).select
        dal_array=SiSU_DAL::Source.new(@opt).get # dal file drawn here
        SiSU_TeX::Source::LaTeX_create.new(@particulars).songsheet
        dal_array=''
        pwd=Dir.pwd
        SiSU_TeX::Source::LaTeX_to_pdf.new(@md,@particulars.env).latexrun_selective
        Dir.chdir(pwd)
      rescue; SiSU_Errors::Info_error.new($!,$@,@opt.cmd,@opt.fns).error
      ensure
        unless @opt.cmd =~/[MV]/ #check maintenance flag
          texfiles=Dir["#{@env.path.tex}/#{@opt.fns}*"]
          texfiles.each do |f|
            if FileTest.file?(f)
              File.unlink(f)
            end
          end
        end
        @tex_file=@@tex_footnote_array=[]
        @@column_instruct=''
        @@squigle_close=@@tex_line_mode=@@tex_word_mode=@@line_mode=''
        @@tex_debug_counter=@@table_pagebreak_counter=@@tex_footnote_call_counter=@@tex_table_flag=@@tex_counter=@@tex_column=@@tex_columns=@@tex_columns=@@counting=0
        @@tex_col_w=[]
        @@n=@@tableheader=@@rights=nil
        @@date=SiSU_Env::Info_date.new
        @@flag={}
        $flag=1 #remove at some stage
        SiSU_Env::Create_file.new(@opt.cmd,@opt.fns).param_instantiate
      end
    end
    private
    class LaTeX_to_pdf #<Songsheet
      require 'fileutils'
      include FileUtils #::Verbose
      @@n_lpdf||=0 #change
      def initialize(md,env)
        @md,@env=md,env
      end
      def latex_do(texfilename,papersize)
        @texfilename=texfilename
        @@n_lpdf=@@n_lpdf+1
        tell=SiSU_Screen::Ansi.new(@md.cmd,"#{papersize} portrait ->")
        tell.dark_grey_title_hi if @md.cmd =~/[MVv]/
        tex_fn_base=@texfilename.gsub(/\.tex$/,'')
        cmd=SiSU_Env::System_call.new("#{tex_fn_base}.tex",'',@md.cmd)
        tell=SiSU_Screen::Ansi.new(@md.cmd)
        tell.grey_open unless @md.cmd =~/q/
        if "#{tex_fn_base}" =~/\w+/ \
        and "#{papersize}" =~/\w+/
          2.times { |i| cmd.latex2pdf(@md,papersize) }
        end
        tell.p_off unless @md.cmd =~/q/
        tell=SiSU_Screen::Ansi.new(@md.cmd,"#{papersize} landscape ->")
        tell.dark_grey_title_hi if @md.cmd =~/[MVv]/
        cmd=SiSU_Env::System_call.new("#{tex_fn_base}.landscape.tex",'',@md.cmd)
        tell.grey_open
        if "#{tex_fn_base}" =~/\w+/ \
        and "#{papersize}" =~/\w+/
          2.times { |i| cmd.latex2pdf(@md,papersize) }
        end
        tell.p_off unless @md.cmd =~/q/
        pwd=Dir.pwd
        portrait_pdf="#{pwd}/#{tex_fn_base}.pdf"
        landscape_pdf="#{pwd}/#{tex_fn_base}.landscape.pdf"
        case papersize
        when /a4/;     pdf_p=@md.fn[:pdf_p_a4];     pdf_l=@md.fn[:pdf_l_a4]
        when /a5/;     pdf_p=@md.fn[:pdf_p_a5];     pdf_l=@md.fn[:pdf_l_a5]
        when /b5/;     pdf_p=@md.fn[:pdf_p_b5];     pdf_l=@md.fn[:pdf_l_b5]
        when /letter/; pdf_p=@md.fn[:pdf_p_letter]; pdf_l=@md.fn[:pdf_l_letter]
        when /legal/;  pdf_p=@md.fn[:pdf_p_legal];  pdf_l=@md.fn[:pdf_l_legal]
        else           pdf_p=@md.fn[:pdf_p_a4];     pdf_l=@md.fn[:pdf_l_a4]
        end
        if FileTest.file?(portrait_pdf)
          cp(portrait_pdf,"#@dir_sisu/#{@md.fnb}/#{pdf_p}")
          rm(portrait_pdf)
        else p "here #{__FILE__} #{__LINE__} NOT FOUND: #{portrait_pdf}" if @md.cmd.inspect =~/M/
        end
        if FileTest.file?(landscape_pdf)
          cp(landscape_pdf,"#@dir_sisu/#{@md.fnb}/#{pdf_l}")
          rm(landscape_pdf)
        else p "here #{__FILE__} #{__LINE__}  NOT FOUND: #{landscape_pdf}" if @md.cmd.inspect =~/M/
        end
        tell=SiSU_Screen::Ansi.new(@md.cmd,@@n_lpdf,'processed (SiSU LaTeX to pdf - using pdfetex aka. pdftex or pdflatex)')
        tell.generic_number unless @md.cmd =~/q/
      end
      def latexrun_selective
        begin
          pwd=Dir.pwd
          Dir.chdir(pwd) #watch
          @tex_f_no=0
          info={}
          if FileTest.file?(@env.source_file_with_path)
            @md.papersize_array.each do |ps|
              if @md.fns =~/\.(?:-|ssm\.)?sst$/
                @dirout=SiSU_Env::Info_env.new(@md.fns)
                case @md.fns
                when /\.(?:-|ssm\.)?sst$/
                  if FileTest.directory?(@env.path.tex)==true
                    Dir.chdir(@env.path.tex)
                    @dir_sisu=@dirout.path.output
                    texfile=@md.fns.gsub(/$/,".#{ps}.tex")
                    texfile=texfile.gsub(/~/,'-')
                    if File.exist?(texfile) \
                    and File.size(texfile) > 0
                      @tex_f_no+=1
                      latex_do(texfile,ps)
                    else
                      puts "\tzero file size #{@env.path.tex}/#{texfile}"
                    end
                  end
                end
              end
            end
            outputdir="#@dir_sisu/#{@md.fnb}"
            case @md.papersize_array[0] #default pdf
            when /a4/;     pdf_p=@md.fn[:pdf_p_a4];     pdf_l=@md.fn[:pdf_l_a4]
            when /a5/;     pdf_p=@md.fn[:pdf_p_a5];     pdf_l=@md.fn[:pdf_l_a5]
            when /b5/;     pdf_p=@md.fn[:pdf_p_b5];     pdf_l=@md.fn[:pdf_l_b5]
            when /letter/; pdf_p=@md.fn[:pdf_p_letter]; pdf_l=@md.fn[:pdf_l_letter]
            when /legal/;  pdf_p=@md.fn[:pdf_p_legal];  pdf_l=@md.fn[:pdf_l_legal]
            else           pdf_p=@md.fn[:pdf_p_a4];     pdf_l=@md.fn[:pdf_l_a4]
            end
            if FileTest.file?("#{outputdir}/#{pdf_p}")
              system("
                cd #{outputdir}
                rm portrait.pdf
                ln -s #{pdf_p} portrait.pdf
              ")
            end
            if FileTest.file?("#{outputdir}/#{pdf_l}")
              system("
                cd #{outputdir}
                rm landscape.pdf
                ln -s #{pdf_l} landscape.pdf
              ")
            end
          else
            tell=SiSU_Screen::Ansi.new(@md.cmd,"FILE NOT FOUND: << #{@md.fns} >> - requested latex system processing skipped")
            tell.warn
          end
          lst=Dir["*.{aux,log,out}"]
          lst.each {|file| File.unlink(file)} if lst
          #touch("#{@dir_pdf}index.html") #correct @dir_pdf appears to contain slash / and should not
        rescue; SiSU_Errors::Info_error.new($!,$@,@md.cmd,@md.fns).error
        end
      end
    end
    class LaTeX_create
      #include SiSU_Param
      @@tex_backslash ||="\\\\"
      @@tilde='\\\\\\~' #?? debug crazy
      @@tex_head={
        'a4'=>{:p => nil, :l => nil},
        'a5'=>{:p => nil, :l => nil},
        'b5'=>{:p => nil, :l => nil},
        'letter'=>{:p => nil, :l => nil},
        'legal'=>{:p => nil, :l => nil},
        'book'=>{:p => nil, :l => nil}
      }
      @@flag_alt,@@flag_group,@@flag_code=false,false,false
      @@dp,@@prefix_b=nil,nil
      def initialize(particulars)
        @particulars=particulars
        @md=@particulars.md
        @env=@particulars.env
        @data=@particulars.dal_array # dal file drawn here
        @st={ :tex=>{} }
        @tex=SiSU_TeX_Pdf::Use_TeX.new(@md)
        @vz=SiSU_Env::Get_init.instance.skin
        @dp=@@dp ||=SiSU_Env::Info_env.new.digest.pattern
        vz=SiSU_Env::Get_init.instance.skin
        @skin_no_ocn=if defined? vz.ocn_display_off \
        and vz.ocn_display_off == true
          true
        else false
        end
      end
      def songsheet
        begin
          data=@data
          @@tex_footnote_array=[]
          @@rights=nil
          tell=SiSU_Screen::Ansi.new(@md.cmd,"pdfTex portrait & landscape")
          tell.txt_grey unless @md.cmd =~/q/
          if @md.rights
            use=@md.rights.dup #dup is necessary, else contents of :rights changed
            sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,use)
            copymark=if @md.author_copymark; '{\\begin{small}\\raisebox{1ex}{\\copyright}\\end{small}} '
            else ''
            end
            copymark='Copyright {\\begin{small}\\raisebox{1ex}{\\copyright}\\end{small}} '
            copyright=sp_char.special_characters_safe.gsub(/^\s*Copyright \(C\)/, copymark)
            @@rights||="\n #{@@tex_backslash*2}[3]\\ \\linebreak #{copyright}"
          end
          if @md.prefix_b
            sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,@md.prefix_b)
            prefix_b=sp_char.special_characters_safe
            @@prefix_b="\n #{@@tex_backslash*2}[3]\\ \\linebreak \\ #{prefix_b}\n" unless @@prefix_b
          end
          data=pre(data)
          data=footnote(data)
          if @md.flag_tables
            data=tables(data)
          end
          ocn=if @md.markup.inspect =~/no_ocn/ \
          or @md.mod.inspect =~/--no-ocn/ \
          or @skin_no_ocn
            false
          else true
          end
          data=number_paras(data,ocn)
          data=markup(data)
          output(data)
        rescue; SiSU_Errors::Info_error.new($!,$@,@md.cmd,@md.fns).error
        ensure
        end
      end
    protected
      def pre(data)
        @tex_file=[]
        data.each do |para|
          # DEBUG 2003w16 this is a kludge, because i could not get parameters
          # from param, Sort out ... revert to more elegant solution
          # even more of a kludge as had to insert newlines where code is used not satisfactory, think about
          para='' if para =~/#{Mx[:lv_o]}\d+:.*?#{Mx[:lv_c]}.+?#{Mx[:pa_non_object_dummy_heading]}/
          para=if para =~/#{Mx[:br_nl]}|\n/; para.split(/#{Mx[:br_nl]}|\n/)
          else para
          end
          if para.class == String
            @md.flag_tables=true if para =~/#{Mx[:gr_o]}Th?#{Mx[:tc_p]}\s+c/u
            sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,para)
            @tex_file << sp_char.special_characters
          elsif para.class == Array
            para.each do |grp|
              @md.flag_tables=true if grp =~/#{Mx[:gr_o]}Th?#{Mx[:tc_p]}\s+c/u
              sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,grp)
              @tex_file << sp_char.special_characters
            end
          end
        end
        data=@tex_file.delete_if {|x| x =~/^\s*#{Rx[:meta]}/}
        @tex_file
      end
      def footnote(data)
        @tex_file=[]
        data.each do |para|
          # EMBEDDED FOOTNOTES / ENDNOTES should be straightforward but not quite a synch.
          footnote=[]
          if para =~/#{Mx[:en_a_o]}[\d*+]+\s|#{Mx[:en_b_o]}([*+]\d+)\s/                                                # note escape not necessary in front of ~ has implications for many other matches #debug note
            para.gsub!(/#{Mx[:en_a_o]}(\d+)\s+(.+?)#{Mx[:id_o]}#@dp#{Mx[:id_c]}#{Mx[:en_a_c]}/m,"\\footnote[\\1]{%\n \\2} ") #removed space before \\footnote 2004w21, watch
            para.gsub!(/#{Mx[:en_b_o]}([*+]\d+)\s+(.+?)#{Mx[:id_o]}#@dp#{Mx[:id_c]}#{Mx[:en_b_c]}/m,"\\FootnoteA{\\1}{%\n \\2} ") #work on asterisk footnotes
            para.gsub!(/#{Mx[:en_a_o]}([*+]+)\s+(.+?)#{Mx[:id_o]}#@dp#{Mx[:id_c]}#{Mx[:en_a_c]}/m,"\\FootnoteA{\\1}{%\n \\2} ") #work on asterisk footnotes
          end
          @tex_file << para
        end
        @tex_file
      end
      def tables_hash(md,para)
        @block={}
        @para=para
        @md.papersize_array.each do |ps|
          @@tableheader={ ps => { :p => 0, :l => 0 }}
          para,para_p=@para.dup,@para.dup #visit
          txt_obj={:txt =>para,:paper_size =>ps}
          format_l=SiSU_TeX_Pdf::Format_text_object.new(md,txt_obj)
          txt_obj={:txt =>para_p,:paper_size =>ps}
          format_p=SiSU_TeX_Pdf::Format_text_object.new(md,txt_obj)
          @block[ps]={
            :l => format_l.longtable_landscape,
            :p => format_p.longtable_portrait
          }
        end
        @block
      end
      def tables(data)
        @tex_file=[]
        data.each do |para|
          @tex_file << if para =~/#{Mx[:tc_p]}|#{Mx[:gr_o]}T/u
            tables_hash(@md,para) #Hash result
          else para
          end
        end
        @tex_file
      end
      def enclose(para,type='')
        para.strip!
        para=if type =~/code/; para
        elsif para !~/(\\begin\{tabular\}.*|\\end\{tabular\}|&|#{@@tex_backslash*2})\s*$/ #check
          para.gsub!(/(.+)/m,"\n#{@tex.skip_small} \\1 #{@tex.skip_small}\n")
        else para
        end
      end
      def markup_common(para)
        tex_f=nil
        txt_obj={:txt =>para}
        mono=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj)
        if para =~/#{Mx[:gr_o]}(?:code|alt|verse|group)#{Mx[:gr_c]}/ \
        or @@flag_alt
          if para =~/#{Mx[:gr_o]}(?:code|alt|verse|group)#{Mx[:gr_c]}/
            @lineone=case para
            when /#{Mx[:gr_o]}(?:alt|verse|group)#{Mx[:gr_c]}/; para
            when /#{Mx[:gr_o]}code#{Mx[:gr_c]}/; "#{@tex.paraskip_small} \\begin{scriptsize} " + para
            else 'error' #should never occur
            end
          end
          if para =~/<=curly/ #takes care of escaped curly braces, expand
            sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,para)
            para=sp_char.special_characters_curly(para)
          end
          regx=/#{Mx[:gr_o]}((?:code|alt|verse|group)(?:-end)?)#{Mx[:gr_c]}/m
          x=nil
          x=regx.match(para)[1] if para =~regx
          para.gsub!(/\n#{Mx[:gr_o]}(?:code|alt|verse|group)#{Mx[:gr_c]}\n/m,'')
          para=enclose(para,'code') unless para =~/^$/
          if x =~/(?:alt|verse|group)/; @@flag_alt=true
            if x =~/group/; @@flag_group=true
            end
          elsif x =~/code/; @@flag_alt,@@flag_code=true,true
          elsif @@flag_alt
            if para =~ /(?:https?|file|ftp)/m
              txt_obj={:txt =>para,:paper_size =>'a4'}
              para=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).http
            end
            @group_collect << para #<< "\n\n"
          end
          if x =~/(?:code|alt|verse|group)-end/m
            regx=/(\\+marginpar\{\\+begin\{tiny\}\d+\\+end\{tiny\}\})/
            y=if para =~regx
              regx.match(para)[1]
            else ''
            end
            para.gsub!(regx,'')
            #@group_collect.each{ |x| x.gsub!(/(<:\S+>|<!.*?!>|<!>)/,' ') }
            group_collect=[]
            group_collect << '\begin{footnotesize} ' unless @@flag_code
            @group_collect.each do |x|
              x.gsub!(/(<:\S+>|#{Mx[:id_o]}.*?#{Mx[:id_c]}|#{Mx[:tc_o]}.*?#{Mx[:tc_c]}|#{Mx[:gr_o]}.*?#{Mx[:gr_c]}|<!.*?!>|<!>)/,' ') #Mx fix
              x=x.split(/ \\\\ /)
              group_collect << x
            end
            group_collect << ' \end{footnotesize} ' unless @@flag_code
            @group_collect=group_collect.flatten
            @lineone.gsub!(/(<:\S+>|#{Mx[:fa_o]}.*?#{Mx[:fa_c]}|#{Mx[:gr_o]}.*?#{Mx[:gr_c]}|<!.*?!>|<!>)/,' ')
            #@group_collect.each{ |x| x.gsub!(/(.#{@@tilde}\S*\s*|<:\S+>|<!.*?!>|<!>)/,' ') }
            insert=[]
            insert=if para =~/#{Mx[:gr_o]}code-end#{Mx[:gr_c]}/m
              insert << y + @lineone << @group_collect << ' \end{scriptsize}' << " #{@tex.paraskip_normal}"
            else insert << y + @lineone << @group_collect
            end
            para.gsub!(/(<:\S+>|#{Mx[:fa_o]}.*?#{Mx[:fa_c]}|#{Mx[:gr_o]}.*?#{Mx[:gr_c]}|<!.*?!>|<!>)/,' ')
            @@flag_alt,@@flag_group,@@flag_code=false,false,false
            @group_collect=[]
            #@tex_file << insert.flatten
            tex_f=insert.flatten
          end
          para=tex_f
        else
          #if para =~ /\}(?:https?|file|ftp)/
          #  para=mono.http #(@orientation)
          #end
          case para
          when /^#{Mx[:lv_o_1]}/;                    mono.level1
          when /^#{Mx[:lv_o_2]}/;                    mono.level2
          when /^#{Mx[:lv_o_3]}/;                    mono.level3
          when /^#{Mx[:lv_o_4]}/;                    mono.level4
          when /^#{Mx[:lv_o_5]}/;                    mono.level5
          when /^#{Mx[:lv_o_6]}/;                    mono.level6
          when /^#{Mx[:pa_o]}:i([1-9])#{Mx[:pa_c]}/; mono.indent($1)
          when /<:=/;                                mono.symbol_graphic #watch
          when /^\s*<:image\s+/;                     mono.image
          when /#{Mx[:lnk_c]}image/;                 mono.png
          else
            para.strip!
            para=enclose(para) unless para =~/^$/
          end
          para.gsub!(/\s*(?:#{Mx[:br_line]}|#{Mx[:br_nl]})\s*/,' \\\\\\\\ ')   #% tread with care
          para.gsub!(/(\.#{@@tilde}\S*\s*|<:\S+>|#{Mx[:fa_o]}.*?#{Mx[:fa_c]}|#{Mx[:gr_o]}.*?#{Mx[:gr_c]}|<!.*?!>|<!>)/,' ')   #% tread with care
          #para.gsub!(/(.#{@@tilde}(?:\\~\S+)?\s*|<:\S+>|<!.*?!>|<!>)/,' ')  #KEEP reference, problem escaping open curly braces \{
          if para =~/<=curly/ #takes care of escaped curly braces, expand
            sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,para)
            para=sp_char.special_characters_curly(para)
          end
          para
        end
        if para =~ /(?:https?|file|ftp)/
          para=if para !~/\.(?:png|jpg|gif)/
            txt_obj={:txt =>para,:paper_size =>'a4'}
            SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).http
          else
            @block={}
            @md.papersize_array.each do |ps|
              txt_obj={:txt =>para,:paper_size =>ps}
              image=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).http
              @block[ps]={
                :l => image,
                :p => image
              }
            end
            @block
          end
        end
        para
      end
      def markup(data)
        @tex_file=[]
        md={}
        #% document headers watch special characters in title & subtitle: glark "\{\{~(sub)?title.+?[$&%#_\{\}]" *.(lm|er)??
        home=@vz.txt_home.gsub(/#{Mx[:br_line]}|#{Mx[:br_nl]}|#{Mx[:br_paragraph]}|\\\\/,' - ') #no line splitting in heading neither html nor latex
        title=@md.title.gsub(/#{Mx[:br_line]}|#{Mx[:br_nl]}|#{Mx[:br_paragraph]}|\\\\/,' - ') #no line splitting in heading neither html nor latex
        subtitle=@md.subtitle.gsub(/#{Mx[:br_line]}|#{Mx[:br_nl]}|#{Mx[:br_paragraph]}|\\\\/,' - ') if @md.subtitle #no line splitting in heading neither html nor latex
        @md.papersize_array.each do |ps|
          txt_obj={:txt =>"#{home}: - #{title} #{subtitle}",:paper_size =>ps,:orientation =>'portrait'}
          orient_portrait=SiSU_TeX_Pdf::Format_head.new(@md,txt_obj)
          txt_obj={:txt =>"#{home}: - #{title} #{subtitle}",:paper_size =>ps,:orientation =>'landscape'}
          orient_landscape=SiSU_TeX_Pdf::Format_head.new(@md,txt_obj)
          @@tex_head[ps][:p]=orient_portrait.document_head_with_orientation
          @@tex_head[ps][:l]=orient_landscape.document_head_with_orientation
        end
        @tex_file <<<<WOK
#{@tex.header}#{@tex.footer}
\\tolerance=300
\\clubpenalty=300
\\widowpenalty=300
\\makeatother
\\makeatother
\\chardef\\txtbullet="2022
\\chardef\\tilde="7E
% \\sloppy
\\begin{document}
WOK
        sisu_rc_footnote=if @md.sc_info; @tex.doc_sc_info_footnote_full
        else                             @tex.doc_sc_info_footnote_brief
        end
        #@copymark=if @md.author_copymark; '^\copyright'
        #else                               ''
        #end
        @copymark='' #check and remove as now is superflous
        x={}
        txt_obj={:title =>@md.title,:subtitle =>@md.subtitle}
        x[:l]=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).title_landscape
        x[:p]=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj).title_portrait
        @tex_file << x
        x=nil
        if @md.author
          sp_char=SiSU_TeX_Pdf::Special_characters.new(@md,@md.author)
          author=sp_char.special_characters
          @tex_file << if @md.author_home
            <<WOK

\\author{\\href{#{@md.author_home}}{#@copymark \\textnormal{#{author}}}}
WOK
          else "\n\\author{#@copymark \\textnormal{#{author}}}"
          end
        end
        @tex_file << unless @md.fnb =~/^mail\s*$/; "\n\\date{\\begin{footnotesize} copy @ #{@tex.site} \\end{footnotesize} #{sisu_rc_footnote}}"
        else                                       "\\date"
        end
        @tex_file <<<<WOK
\\pagenumbering{roman}\\maketitle
\\pagestyle{fancy}
WOK
        #@tex_file << @tex.newpage #newpage clearpage depending on portrait or landscape
        @tex_file << "\\newpage\n"
        @tex_file << @@rights if @md.rights #if @orientation =~/landscape/
        @tex_file << @@prefix_b if @md.prefix_b
        @tex_file << @tex.sisu_rights
        @tex_file << if @md.sc_info; @tex.doc_sc_info
        else                         @tex.doc_no_sc_info
        end
        @tex_file << @tex.manifest_info
        x={}
        x[:l] =<<WOK
#{@tex.newpage('landscape')}
\\pagestyle{fancy}
\\tableofcontents
#{@tex.newpage('landscape')}
\\pagenumbering{arabic}
#{@tex.paraskip_normal}
#{@tex.newpage('landscape')}
WOK
        x[:p] =<<WOK
#{@tex.newpage('portrait')}
\\pagestyle{fancy}
\\tableofcontents
#{@tex.newpage('portrait')}
\\pagenumbering{arabic}
#{@tex.paraskip_normal}
#{@tex.newpage('portrait')}
WOK
        @tex_file << x
        x=nil
        @group_collect=[]
        data.each do |para|                                                      #% case follows with levels 1-6 indents & graphics
          if para.class == String
            para=markup_common(para)
          elsif para.class == Hash
            if ( para['a4'] or para['a5'] or para['b5'] \
            or para['letter'] or para['legal'])
              @md.papersize_array.each do |ps|
                if para[ps]
                  if (para[ps][:p] and para[ps][:l])
                    para[ps]={
                      :p => markup_common(para[ps][:p]),
                      :l => markup_common(para[ps][:l])
                    }
                  else p "here #{__FILE__} #{__LINE__}" if @md.cmd.inspect =~/M/
                  end
                end
              end
            elsif (para[:p] and para[:l])
              para = {
                :p => markup_common(para[:p]),
                :l => markup_common(para[:l])
              }
            else p "here #{__FILE__} #{__LINE__}" if @md.cmd.inspect =~/M/
            end
          end
          @tex_file << para
        end
        @tex_file << "\n\\newpage\n" # was \\pagebreak\n
        @md.subtitle_tex=@md.subtitle.dup if @md.subtitle
        # kludge ... look again later
        @tex_file << if @md.doc_skin !~/skin_mail/; @tex.doc_tail
        else                                        @tex.mail_tail
        end
        if defined? @md.lnk \
        and @md.lnk
          @md.lnk.each do |l|
            if l[:say]
              url=%<#{l[:url]}>
              url.gsub!(/(?:\\)*([$&~%_#}{^])/,"\\\\\\1")                         #latex special chars
              s_lnk=l[:say]
              s_lnk.gsub!(/\s*(#{Mx[:br_line]}|#{Mx[:br_nl]}|#{Mx[:br_paragraph]})\s*/,' \\\\\\\\ ')
              s_lnk.gsub!(/(?:\\)*([$&~%_#}{^])/,"\\\\\\1")                       #latex special chars
              if url !~/^\.(\.)?\//
                s_lnk_url=%<\\begin{scriptsize}\\url{#{url}}\\end{scriptsize}>  # note this bit of dereferencing magic
              else
                url.gsub!(/\.\.\//,'')
                s_lnk_url="(#{@tex.site}) \\\\\n" + ' ' +
                  "\\begin{scriptsize}" +
                  %<\\url\{#{@vz.url_root_http}/#{url}\}> + # note this bit of dereferencing magic
                  "\\end{scriptsize}"
              end
              @tex_file << " #{s_lnk} \\\\\n #{s_lnk_url} \n" unless  @md.doc_skin =~/skin_mail/
              s_lnk=s_lnk_url=nil
            end
          end
        end
        @tex_file << " #{@tex.sitename} home: \\\\
\\begin{bfseries}#{@tex.site}\\end{bfseries}
"
        #Stamp.stamp #removed 200408 but watch
        #% code for inclusion of addresses of promulgating authority
        @st[:tex][:stmp]||=@md.stmpd
        stamp=@st[:tex][:stmp] if @st[:tex][:stmp]
        if stamp
          use=stamp.gsub(/\n/,"#{@@tex_backslash*2}\n")
          @tex_file << "\n\\newpage\n"
          @tex_file << "\\section*" +
            "{#{@tex.owner_chapter}}\n" +
            "\\addcontentsline{toc}" +
            "{section}{#{@tex.owner_chapter}}\n"
          @tex_file << "#{use}\n"
          @tex_file << @@rights if @@rights
        end
        @tex_file << "\n\\end{document}"
      end
      def number_paras_numbering(para,ocn)
        if para =~/#{Mx[:id_o]}\\~(\d+);(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}#{Mx[:id_o]}#@dp:#@dp#{Mx[:id_c]}$/ \
        and para !~/\\end\{longtable\}|#{Mx[:br_eof]}/ #catch <!TZ!>
          m=/(.+?)#{Mx[:id_o]}\\~(\d+);(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}#{Mx[:id_o]}#@dp:#@dp#{Mx[:id_c]}$/m
          parablock=para[m,1]
          paranum=if ocn; para[m,2]
          else ''
          end
          paranum = '' if paranum.to_i == 0
          txt_obj={:txt =>parablock,:ocn =>paranum}
          do_duo=SiSU_TeX_Pdf::Format_text_object.new(@md,txt_obj)
          para=do_duo.para_num if parablock
        elsif para =~/^#{Mx[:id_o]}~\d+;(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}#{Mx[:id_o]}#@dp:#@dp#{Mx[:id_c]}$/ #2005 this is added for tables, rationalise
          m=/#{Mx[:id_o]}~(\d+);(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}#{Mx[:id_o]}#@dp:#@dp#{Mx[:id_c]}$/m
          paranum=para[m,1]
          para.gsub!(/#{Mx[:id_o]}~\d+;(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}#{Mx[:id_o]}#@dp:#@dp#{Mx[:id_c]}/,'')
          para="\\marginpar{\\begin{tiny}#{paranum}\\end{tiny}}" + para
        elsif para =~/^#{Mx[:id_o]}~\d+;(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}/ #extra 2005 this is added for tables, rationalise
          m=/#{Mx[:id_o]}~(\d+);[oh]\d+;\w\d+#{Mx[:id_c]}/m
          paranum=para[m,1]
          para.gsub!(/#{Mx[:id_o]}~\d+;(?:[oh]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}/,'')
          para="\\marginpar{\\begin{tiny}#{paranum}\\end{tiny}}" + para
        elsif para =~/\\end\{longtable\}/ #catch <!TZ!>
          para.gsub!(/#{Mx[:id_o]}\\~\d+#{Mx[:id_c]}|#{Mx[:id_o]}\\~(\d+);(?:[ohm]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}#{Mx[:id_o]}#@dp:#@dp#{Mx[:id_c]}/,'')
          para.gsub!(/#{Mx[:id_o]}\\~\d+#{Mx[:id_c]}|#{Mx[:id_o]}\\~(\d+);(?:[ohm]|[0-6]:)\d+;\w\d+#{Mx[:id_c]}/,'') #extra
        end
        para
      end
      def number_paras(data,ocn)
        tex_file=[]
        data.each do |para|
          para=if para.class == Hash
            if ( para['a4'] or para['a5'] or para['b5'] \
            or para['letter'] or para['legal'])
              @para={}
              @md.papersize_array.each do |ps|
                if para[ps]
                  if (para[ps][:p] and para[ps][:l])
                    @para[ps]={
                        :p => number_paras_numbering(para[ps][:p],ocn),
                        :l => number_paras_numbering(para[ps][:l],ocn)
                    }
                  else p "here #{__FILE__} #{__LINE__}" if @md.cmd.inspect =~/M/
                  end
                end
              end
            elsif (para[:p] and para[:l])
              @para = {
                :p => number_paras_numbering(para[:p],ocn),
                :l => number_paras_numbering(para[:l],ocn)
              }
            else p "here #{__FILE__} #{__LINE__}" if @md.cmd.inspect =~/M/
            end
          else #elsif para.class == String
            @para=number_paras_numbering(para,ocn)
          end
          tex_file << @para
        end
        tex_file
      end
      def output(array)
        array.flatten!
        array.compact!
        @array=array
        fns_l=@md.fns.gsub(/~/,'-') #this is a sorry fix, but necessary as it appears latex programs like not ~
        @md.papersize_array.each do |ps|
          filename_tex_landscape=File.new("#{@env.path.tex}/#{fns_l}.#{ps}.landscape.tex",'w+')
          filename_tex_portrait=File.new("#{@env.path.tex}/#{fns_l}.#{ps}.tex",'w+')
          filename_tex_portrait << @@tex_head[ps][:p]
          filename_tex_landscape << @@tex_head[ps][:l]
          array.each do |para|
            case para
            when String
              para.gsub!(/^\s+/,'')
              if para !~/\A\s*\Z/
                filename_tex_portrait.puts para,"\n"
                filename_tex_landscape.puts para,"\n"
              end
            when Hash
              if para[ps] and (para[ps][:p] and para[ps][:l])
                para[ps][:p].gsub!(/^\s+/,'') if para[ps][:p]
                para[ps][:l].gsub!(/^\s+/,'') if para[ps][:l]
                if para[ps][:p] !~/\A\s*\Z/
                  filename_tex_portrait.puts para[ps][:p],"\n"
                end
                if para[ps][:l] !~/\A\s*\Z/
                  filename_tex_landscape.puts para[ps][:l],"\n"
                end
              elsif (para[:p] and para[:l])
                para[:p].gsub!(/^\s+/,'') if para[:p]
                para[:l].gsub!(/^\s+/,'') if para[:l]
                if para[:p] !~/\A\s*\Z/
                  filename_tex_portrait.puts para[:p],"\n"
                end
                if para[:l] !~/\A\s*\Z/
                  filename_tex_landscape.puts para[:l],"\n"
                end
              else p "here #{__FILE__} #{__LINE__}" if @md.cmd.inspect =~/M/
              end
            end
          end
          array=@array
          filename_tex_portrait.close
          filename_tex_landscape.close
        end
        @@tex_head={
          'a4'=>{:p => nil, :l => nil},
          'a5'=>{:p => nil, :l => nil},
          'b5'=>{:p => nil, :l => nil},
          'letter'=>{:p => nil, :l => nil},
          'legal'=>{:p => nil, :l => nil},
          'book'=>{:p => nil, :l => nil}
        }
        array=[]
      end
    end
  end
end
__END__