aboutsummaryrefslogtreecommitdiffhomepage
path: root/lib/sisu/xml_sax.rb
blob: 3b8bf7c4756138db596fca6acb9ca4a66e95106e (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
# encoding: utf-8
# - Name: SiSU
#
#   - Description: documents, structuring, processing, publishing, search
#     xml
#
#   - Author: Ralph Amissah
#     <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, 2017, 2019,
#     2020, 2021, 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
#
#   - Homepages:
#     <http://www.sisudoc.org>
#
#   - Git
#     <https://git.sisudoc.org/projects/>
#     <https://git.sisudoc.org/projects/?p=software/sisu.git;a=summary>
#     <https://git.sisudoc.org/projects/?p=markup/sisu-markup-samples.git;a=summary>
module SiSU_XML_SAX
  require_relative 'se_hub_particulars'                 # se_hub_particulars.rb
    include SiSU_Particulars
  require_relative 'se'                                 # se.rb
    include SiSU_Env
  require_relative 'xml_shared'                         # xml_shared.rb
    include SiSU_XML_Munge
  require_relative 'xml_format'                         # xml_format.rb
    include SiSU_XML_Format
  require_relative 'xml_persist'                        # xml_persist.rb
  require_relative 'rexml'                              # rexml.rb
    include SiSU_Rexml
  require_relative 'shared_metadata'                    # shared_metadata.rb
  @@alt_id_count=0
  @@tablefoot=''
  class Source
    def initialize(opt)
      @opt=opt
      @particulars=SiSU_Particulars::CombinedSingleton.instance.get_all(opt)
    end
    def read
      begin
        @env,              @md,            @ao_arr=
          @particulars.env,@particulars.md,@particulars.ao_array
        unless @opt.act[:quiet][:set]==:on
          tool=if (@opt.act[:verbose_plus][:set]==:on \
          || @opt.act[:maintenance][:set]==:on)
            @env.program.web_browser \
            + ' file://' \
            + @md.file.output_path.xml_sax.dir + '/' \
            + @md.file.base_filename.xml_sax + "\n\t" \
            + @env.program.xml_viewer \
            + ' file://' \
            + @md.file.output_path.xml_sax.dir + '/' \
            + @md.file.base_filename.xml_sax
          elsif @opt.act[:verbose][:set]==:on
            @env.program.web_browser \
            + ' file://' \
            + @md.file.output_path.xml_sax.dir + '/' \
            + @md.file.base_filename.xml_sax
          else "[#{@opt.f_pth[:lng_is]}] #{@opt.fno}"
          end
          (@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],
              'XML SAX',
              tool
            ).green_hi_blue
          : SiSU_Screen::Ansi.new(
              @opt.act[:color_state][:set],
              'XML SAX',
              tool
            ).green_title_hi
          if (@opt.act[:verbose_plus][:set]==:on \
          || @opt.act[:maintenance][:set]==:on)
            SiSU_Screen::Ansi.new(
              @opt.act[:color_state][:set],
              @opt.fns,
              'file://' \
              + @md.file.output_path.xml_sax.dir + '/' \
              + @md.file.base_filename.xml_sax
            ).flow
          end
        end
        SiSU_XML_SAX::Source::Songsheet.new(@particulars).song
      rescue
        SiSU_Errors::Rescued.new($!,$@,@opt.selections.str,@opt.fns).location do
          __LINE__.to_s + ':' + __FILE__
        end
      ensure
        #file closed in songsheet
        SiSU_Env::CreateSite.new(@opt).cp_css
        Dir.chdir(@opt.f_pth[:pth])
      end
    end
    private
    class Songsheet
      def initialize(particulars)
        @env,             @md,           @ao_arr,             @particulars=
          particulars.env,particulars.md,particulars.ao_array,particulars
        @file=SiSU_Env::FileOp.new(@md)
      end
      def song
        begin
          SiSU_XML_SAX::Source::Scroll.new(@particulars).songsheet
          if (@md.opt.act[:verbose][:set]==:on \
          || @md.opt.act[:verbose_plus][:set]==:on \
          || @md.opt.act[:maintenance][:set]==:on)
            SiSU_XML_SAX::Source::Tidy.new(@md,@file.place_file.xml_sax.dir).xml # test wellformedness, comment out when not in use
          end
          SiSU_Rexml::Rexml.new(@md,@file.place_file.xml_sax.dir).xml if @md.opt.act[:maintenance][:set]==:on # test rexml parsing, comment out when not in use #debug
        rescue
          SiSU_Errors::Rescued.new($!,$@,@md.opt.selections.str,@md.fns).location do
            __LINE__.to_s + ':' + __FILE__
          end
        ensure
        end
      end
    end
    class Scroll
      require_relative 'txt_shared'                     # txt_shared.rb
        include SiSU_TextUtils
      require_relative 'css'                            # css.rb
      require_relative 'xhtml_shared'                   # decide use, whether xml rather than xhtml
      def initialize(particulars)
        @env,             @md,           @ao_arr=
          particulars.env,particulars.md,particulars.ao_array
        @trans=SiSU_XML_Munge::Trans.new(@md)
        @sys=SiSU_Env::SystemCall.new
        @per=SiSU_XML_Persist::Persist.new
      end
      def songsheet
        begin
          pre
          @data=markup(@ao_arr)
          post
          publish
        ensure
          SiSU_XML_Persist::Persist.new.persist_init
        end
      end
    protected
      def embedded_endnotes(dob='')
        dob.obj=dob.obj.gsub(/#{Mx[:en_a_o]}(\d+)\s+(.+?)#{Mx[:en_a_c]}/,
            '<endnote><number>\1</number><note>\2</note></endnote> ').
          gsub(/#{Mx[:en_b_o]}([*+]\d+)\s+(.+?)#{Mx[:en_b_c]}/,
            '<endnote><symbol>\1</symbol><note>\2</note></endnote> ').
          gsub(/#{Mx[:en_a_o]}([*+]+)\s+(.+?)#{Mx[:en_a_c]}/,
            '<endnote><symbol>\1</symbol><note>\2</note></endnote> ')
      end
      def extract_endnotes(dob='')
        notes=dob.obj.scan(/(?:#{Mx[:en_a_o]}|#{Mx[:en_b_o]})([\d*+]+\s+.+?)(?:#{Mx[:en_a_c]}|#{Mx[:en_b_c]})/)
        notes.flatten.each do |e|
          s=e.to_s
          util=SiSU_TextUtils::Wrap.new(s,70)
          wrap=util.line_wrap
          wrap=wrap.gsub(/^(\d+)\s+(.+?)\s*\Z/m, <<WOK
#{Ax[:tab]*1}<endnote notenumber="\\1">
#{Ax[:tab]*2}<number>\\1</number>
#{Ax[:tab]*2}<note>
#{Ax[:tab]*3}\\2
#{Ax[:tab]*2}</note>
#{Ax[:tab]*1}</endnote>
WOK
).
            gsub(/^([*+]\d+)\s+(.+?)\s*\Z/m, <<WOK
#{Ax[:tab]*1}<endnote symbol="\\1">
#{Ax[:tab]*2}<symbol>\\1</symbol>
#{Ax[:tab]*2}<note>
#{Ax[:tab]*3}\\2
#{Ax[:tab]*2}</note>
#{Ax[:tab]*1}</endnote>
WOK
).
            gsub(/^([*+]+)\s+(.+?)\s*\Z/m, <<WOK
#{Ax[:tab]*1}<endnote symbol="\\1.length">
#{Ax[:tab]*2}<symbol>\\1</symbol>
#{Ax[:tab]*2}<note>
#{Ax[:tab]*3}\\2
#{Ax[:tab]*2}</note>
#{Ax[:tab]*1}</endnote>
WOK
)
          @endnotes << wrap
        end
      end
      def xml_head
        metadata=SiSU_Metadata::Summary.new(@md).xml_sax.metadata
        @per.head << metadata
      end
      def xml_sc(md='')
        sc=if @md.sc_info
          <<WOK
    <source_control>
      <meta>filename:</meta>
      <sc class="sourcefile">
        #{@md.sc_filename}
      </sc><br />
      <meta>version number:</meta>
      <sc class="number">
        #{@md.sc_number}
      </sc><br />
      <meta>version date:</meta>
      <sc class="date">
        #{@md.sc_date}
      </sc><br />
    </source_control>
WOK
        else ''
        end
        @per.sc=sc
      end
      def xml_structure(dob,type='norm')
        if dob.is==:heading
          lv=dob.ln
          dob.ln + 2
        else lv=nil
        end
        extract_endnotes(dob)
        dob.obj=dob.obj.gsub(/#{Mx[:en_a_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_a_c]}/,'<en>\1</en>'). #footnote/endnote clean
          gsub(/#{Mx[:en_b_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_b_c]}/,'<en>\1</en>') #footnote/endnote clean
        #if defined? dob.obj
        #t_ograph="#{dob.obj}"
        util=SiSU_TextUtils::Wrap.new(dob.obj,70)
        wrapped=util.line_wrap
        #end
        @per.body << if defined? dob.ocn; %{#{Ax[:tab]*0}<object id="#{dob.ocn}">}
        else                              "#{Ax[:tab]*0}<object>"
        end
        @per.body << "#{Ax[:tab]*1}<ocn>#{dob.ocn}</ocn>" if defined? dob.ocn
        @per.body << if lv; %{#{Ax[:tab]*1}<text class="h#{lv}">\n#{Ax[:tab]*2}#{wrapped}\n#{Ax[:tab]*1}</text>}
        else                   %{#{Ax[:tab]*1}<text class="#{type}">\n#{Ax[:tab]*2}#{wrapped}\n#{Ax[:tab]*1}</text>} # main text, contents, body KEEP
        end
        @per.body << @endnotes if @endnotes
        ##@per.body << "#{Ax[:tab]*1}<text>#{dob[@regx,2]}</text>" if dob[@regx,2] # old unwrapped main text, contents, body KEEP
        @per.body << "#{Ax[:tab]*0}</object>"
        @endnotes=[]
      end
      def block_structure(dob='')
        extract_endnotes(dob)
        dob.obj=dob.obj.gsub(/#{Mx[:en_a_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_a_c]}/,'<en>\1</en>'). #footnote/endnote clean
          gsub(/#{Mx[:en_b_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_b_c]}/,'<en>\1</en>') #footnote/endnote clean
        dob=@trans.markup_block(dob)
        dob.obj=dob.obj.strip
        @per.body << %{#{Ax[:tab]*0}<object id="#{dob.ocn}">}
        @per.body << %{#{Ax[:tab]*1}<ocn>#{dob.ocn}</ocn>}
        @per.body << %{#{Ax[:tab]*1}<text class="block">#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*2}#{dob.obj}#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*1}</text>}
        @per.body << "#{Ax[:tab]*0}</object>"
        @per.body << @endnotes if @endnotes
        @endnotes=[]
      end
      def group_structure(dob='')
        extract_endnotes(dob)
        dob.obj=dob.obj.gsub(/#{Mx[:en_a_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_a_c]}/,'<en>\1</en>'). #footnote/endnote clean
          gsub(/#{Mx[:en_b_o]}([\d*+]+)\s+(?:.+?)#{Mx[:en_b_c]}/,'<en>\1</en>') #footnote/endnote clean
        dob=@trans.markup_group(dob)
        dob.obj=dob.obj.strip
        @per.body << %{#{Ax[:tab]*0}<object id="#{dob.ocn}">}
        @per.body << %{#{Ax[:tab]*1}<ocn>#{dob.ocn}</ocn>}
        @per.body << %{#{Ax[:tab]*1}<text class="group">#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*2}#{dob.obj}#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*1}</text>}
        @per.body << "#{Ax[:tab]*0}</object>"
        @per.body << @endnotes if @endnotes
        @endnotes=[]
      end
      def poem_structure(dob='')
        dob=@trans.markup_group(dob)
        #dob.obj.gsub(/\s\s/,'&#160;&#160;')
        dob.obj=dob.obj.strip
        @per.body << %{#{Ax[:tab]*0}<object id="#{dob.ocn}">}
        @per.body << %{#{Ax[:tab]*1}<ocn>#{dob.ocn}</ocn>}
        @per.body << %{#{Ax[:tab]*1}<text class="verse">#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*2}#{dob.obj}#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*1}</text>}
        @per.body << %{#{Ax[:tab]*0}</object>}
      end
      def code_structure(dob='')
        dob=@trans.markup_group(dob)
        dob.obj=dob.obj.gsub(/\s\s/,'&#160;&#160;').strip
        @per.body << %{#{Ax[:tab]*0}<object id="#{dob.ocn}">}
        @per.body << %{#{Ax[:tab]*1}<ocn>#{dob.ocn}</ocn>}
        @per.body << %{#{Ax[:tab]*1}<text class="code">#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*2}#{dob.obj}#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*1}</text>}
        @per.body << "#{Ax[:tab]*0}</object>"
      end
      def table_structure(dob)
        table=SiSU_XHTML_Shared::TableXHTML.new(dob)
        @per.body << %{#{Ax[:tab]*0}<object id="#{dob.ocn}">}
        @per.body << %{#{Ax[:tab]*1}<ocn>#{dob.ocn}</ocn>}
        @per.body << %{#{Ax[:tab]*1}<text class="table">#{Ax[:tab]*1}}
        @per.body << %{#{Ax[:tab]*2}#{table.table.obj}}
        @per.body << %{#{Ax[:tab]*1}</text>}
        #@per.body << %{#{tab*1}</text>}
        @per.body << "#{Ax[:tab]*0}</object>"
       #@per.body << %{#{Ax[:tab]*0}<object id="#{ocn}">}
       #@per.body << %{#{Ax[:tab]*1}#{table}\n#{Ax[:tab]*1}} # unless lv  # main text, contents, body KEEP
       #@per.body << "#{Ax[:tab]*0}</object>"
       #@endnotes=[]
      end
      def markup(data)
        xml_sc(@md)
        @endnotes,@level,@cont,@copen,@xml_contents_close=[],[],[],[],[]
        @rcdc=false
        xml_head
        (0..7).each { |x| @cont[x]=@level[x]=false }
        (4..7).each { |x| @xml_contents_close[x]='' }
        data.each do |dob|
          @trans.char_enc.utf8(dob) if @sys.locale =~/utf-?8/i #% utf8
          dob=@trans.markup(dob)
          if @rcdc==false \
          and (dob.is ==:meta \
          and dob.obj =~/Document Information/)
            @rcdc=true
          end
          if dob.obj !~/(^#{Rx[:meta]}|#{Mx[:br_eof]}|#{Mx[:br_endnotes]})/
            if defined? dob.ocn #look to move to format section
              ocn=((dob.ocn.to_s =~/\d+/) ? dob.ocn : nil)
              @p_num=SiSU_XML_Format::ParagraphNumber.new(@md,ocn)
            end
            if not @rcdc
              if defined? dob.ocn \
              and dob.ocn.to_s =~/\d+/
                x=SiSU_XML_Format::FormatSeg.new(@md,dob)
                if dob.is==:heading
                  xml_structure(dob)
                  dob.obj=case dob.ln
                  when 1 then x.heading_body1
                  when 2 then x.heading_body2
                  when 3 then x.heading_body3
                  when 4 then x.heading_body4
                  when 5 then x.heading_body5
                  when 6 then x.heading_body6
                  when 7 then x.heading_body7
                  end
                else
                  if dob.is==:verse
                    poem_structure(dob)
                  elsif dob.is==:group
                    group_structure(dob)
                  elsif dob.is==:block
                    block_structure(dob)
                  elsif dob.is==:code
                    code_structure(dob)
                  elsif dob.is==:table # FIX, check css, will need to modify
                    table_structure(dob)
                  elsif dob.is ==:para \
                  and dob.indent.to_s =~/[1-9]/ \
                  and dob.bullet_==true
                    xml_structure(dob,"indent_bullet#{dob.indent}")
                  elsif dob.is ==:para \
                  and dob.indent.to_s =~/[1-9]/ \
                  and dob.indent == dob.hang
                    xml_structure(dob,"indent#{dob.indent}")
                  elsif dob.is ==:para \
                  and dob.hang.to_s =~/[0-9]/ \
                  and dob.indent != dob.hang
                    xml_structure(dob,"hang#{dob.hang.to_s}_indent#{dob.indent.to_s}")
                  else xml_structure(dob)
                  end
                end
              elsif dob.obj =~/(#{Mx[:br_eof]}|#{Mx[:br_endnotes]})/
              elsif dob.obj =~/MetaData/
                txt_obj={ txt: '<br /><a name="metadata">MetaData</a>' }
                format_scroll=FormatScroll.new(@md,txt_obj)
                dob.obj=format_scroll.bold_para
              elsif dob.obj =~/(Owner Details)/
#               txt_obj={ txt: '<br /><a name="owner.details">Owner Details</a>' }
#               format_scroll=FormatScroll.new(@md,txt_obj)
#               @per.owner_details=format_scroll.bold_para
                dob.obj=''
              end
              if dob.obj =~/<a name="n\d+">/ \
              and dob.obj =~/^(-\{{2}~\d+|<!e[:_]\d+!>)/ # -endnote
                dob.obj=''
              end
              if dob.obj =~/.*<:#>.*$/ #investigate removal
                dob.obj=if dob.obj =~ /#{Mx[:pa_o]}:i[1-9]#{Mx[:pa_c]}/
                  txt_obj={ txt: dob }
                  format_text=FormatTextObject.new(@md,txt_obj)
                  format_text.scr_inden_ocn_e_no_paranum
                end
              end
            else #
            end
            dob.obj=dob.obj.gsub(/#{Mx[:pa_o]}:\S+#{Mx[:pa_c]}/,'') if dob.obj
          end
        end
        7.downto(4) do |x|
          y=x - 1; v=x - 3
          @per.body << "#{Ax[:tab]*5}</content>\n#{Ax[:tab]*y}</contents#{v}>" if @level[x]==true
        end
        3.downto(1) do |x|
          y=x - 1
          @per.body << "#{Ax[:tab]*y}</heading#{x}>" if @level[x]==true
        end
        #7.downto(1) { |x| y=x - 1; @per.body << "#{Ax[:tab]*y}</level #{x}>" if @level[x]==true }
      end
      def pre
        rdf=SiSU_XML_Tags::RDF.new(@md)
        @per.head,@per.body=[],[]
        stylesheet=SiSU_Style::CSS_HeadInfo.new(@md,'xml_sax').stylesheet
        encoding=if @sys.locale =~/utf-?8/i then '<?xml version="1.0" encoding="UTF-8" standalone="no"?>'
        else                                     '<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>'
        end
        @per.open =<<WOK
#{encoding}
#{stylesheet.css_head_xml}
#{rdf.comment_xml}
<document>
WOK
        @per.head << '<head>'
        @per.body << '<body>'
      end
      def post
        @per.head << @per.sc
        @per.head << '</head>'
        @per.body << '</body>'
        @per.close = '</document>'
      end
      def publish
        content=[]
        content << @per.open << @per.head << @per.body #<< @per.metadata
        #content << @per.owner_details if @md.stmp =~/\w\w/
        content << @per.tail << @per.close
        content=content.flatten.compact
        Output.new(content,@md).xml
        @@xml={}
      end
    end
    class Output
      def initialize(data,md)
        @data,@md=data,md
        @file=SiSU_Env::FileOp.new(@md)
      end
      def xml
        SiSU_Env::FileOp.new(@md).mkdir
        filename_xml=@file.write_file.xml_sax
        @data.each do |str|
          str=str.gsub(/\A\s+\Z/m,'')
          filename_xml.puts str unless str.empty?
        end
        filename_xml.close
      end
    end
    class Tidy
      def initialize(md,file)
        @md,@file=md,file
        @prog=SiSU_Env::InfoProgram.new
      end
      def xml
        if @prog.tidy !=false #note values can be other than true
          if (@md.opt.act[:verbose_plus][:set]==:on \
          || @md.opt.act[:maintenance][:set]==:on)
            unless @md.opt.act[:quiet][:set]==:on
              SiSU_Screen::Ansi.new(
                @md.opt.act[:color_state][:set],
                'invert',
                'Using XML Tidy',
                'check document structure'
              ).colorize
              tell=SiSU_Screen::Ansi.new(
                @md.opt.act[:color_state][:set],
                'invert',
                '',
                ''
              )
              tell.grey_open
            end
            tidyfile='/dev/null' #don't want one or screen output, check for alternative flags
            tidy=SiSU_Env::SystemCall.new(@file,tidyfile)
            tidy.well_formed?
            tell.p_off unless @md.opt.act[:quiet][:set]==:on
          end
        end
      end
    end
  end
end
__END__