Class: Asciidoctor::Converter::DocBook5Converter

Inherits:
Base
  • Object
show all
Defined in:
lib/asciidoctor/converter/docbook5.rb

Overview

by the docbook45 backend from AsciiDoc.py, except it has been migrated to the DocBook 5 specification.

Constant Summary collapse

MANPAGE_SECTION_TAGS = 
{ 'section' => 'refsection', 'synopsis' => 'refsynopsisdiv' }
TABLE_PI_NAMES = 
%w(dbhtml dbfo dblatex)
CopyrightRx = 
/^(#{CC_ANY}+?)(?: ((?:\d{4}-)?\d{4}))?$/
ImageMacroRx = 
/^image::?(\S|\S#{CC_ANY}*?\S)\[(#{CC_ANY}+)?\]$/

Constants included from DefaultFactory

Asciidoctor::Converter::DefaultFactory::PROVIDED

Instance Attribute Summary

Attributes included from Asciidoctor::Converter

#backend

Instance Method Summary collapse

Methods inherited from Base

#content_only, #convert, #handles?, #skip

Methods included from Asciidoctor::Converter

#convert, derive_backend_traits, #handles?

Methods included from DefaultFactory

#for, #register, #unregister_all

Methods included from Factory

#converters, #create, create, default, #for, new, #register

Methods included from Logging

#logger, #message_with_context

Constructor Details

#initialize(backend, opts = {}) ⇒ DocBook5Converter

Returns a new instance of DocBook5Converter.



32
33
34
35
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 32

def initialize backend, opts = {}
  @backend = backend
  init_backend_traits basebackend: 'docbook', filetype: 'xml', outfilesuffix: '.xml', supports_templates: true
end

Instance Method Details

#convert_admonition(node) ⇒ Object 



102
103
104
105
106
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 102

def convert_admonition node
  %(<#{tag_name = node.attr 'name'}#{common_attributes node.id, node.role, node.reftext}>
#{title_tag node}#{enclose_content node}
</#{tag_name}>)
end

#convert_colist(node) ⇒ Object 



110
111
112
113
114
115
116
117
118
119
120
121
122
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 110

def convert_colist node
  result = []
  result << %(<calloutlist#{common_attributes node.id, node.role, node.reftext}>)
  result << %(<title>#{node.title}</title>) if node.title?
  node.items.each do |item|
    result << %(<callout arearefs="#{item.attr 'coids'}">)
    result << %(<para>#{item.text}</para>)
    result << item.content if item.blocks?
    result << '</callout>'
  end
  result << %(</calloutlist>)
  result.join LF
end

#convert_dlist(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 124

def convert_dlist node
  result = []
  if node.style == 'horizontal'
    result << %(<#{tag_name = node.title? ? 'table' : 'informaltable'}#{common_attributes node.id, node.role, node.reftext} tabstyle="horizontal" frame="none" colsep="0" rowsep="0">
#{title_tag node}<tgroup cols="2">
<colspec colwidth="#{node.attr 'labelwidth', 15}*"/>
<colspec colwidth="#{node.attr 'itemwidth', 85}*"/>
<tbody valign="top">)
    node.items.each do |terms, dd|
      result << %(<row>
<entry>)
      terms.each {|dt| result << %(<simpara>#{dt.text}</simpara>) }
      result << %(</entry>
<entry>)
      if dd
        result << %(<simpara>#{dd.text}</simpara>) if dd.text?
        result << dd.content if dd.blocks?
      end
      result << %(</entry>
</row>)
    end
    result << %(</tbody>
</tgroup>
</#{tag_name}>)
  else
    tags = DLIST_TAGS[node.style]
    list_tag = tags[:list]
    entry_tag = tags[:entry]
    label_tag = tags[:label]
    term_tag = tags[:term]
    item_tag = tags[:item]
    if list_tag
      result << %(<#{list_tag}#{common_attributes node.id, node.role, node.reftext}>)
      result << %(<title>#{node.title}</title>) if node.title?
    end

    node.items.each do |terms, dd|
      result << %(<#{entry_tag}>)
      result << %(<#{label_tag}>) if label_tag
      terms.each {|dt| result << %(<#{term_tag}>#{dt.text}</#{term_tag}>) }
      result << %(</#{label_tag}>) if label_tag
      result << %(<#{item_tag}>)
      if dd
        result << %(<simpara>#{dd.text}</simpara>) if dd.text?
        result << dd.content if dd.blocks?
      end
      result << %(</#{item_tag}>)
      result << %(</#{entry_tag}>)
    end

    result << %(</#{list_tag}>) if list_tag
  end

  result.join LF
end

#convert_document(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 37

def convert_document node
  result = ['<?xml version="1.0" encoding="UTF-8"?>']
  result << ((node.attr? 'toclevels') ? %(<?asciidoc-toc maxdepth="#{node.attr 'toclevels'}"?>) : '<?asciidoc-toc?>') if node.attr? 'toc'
  result << ((node.attr? 'sectnumlevels') ? %(<?asciidoc-numbered maxdepth="#{node.attr 'sectnumlevels'}"?>) : '<?asciidoc-numbered?>') if node.attr? 'sectnums'
  lang_attribute = (node.attr? 'nolang') ? '' : %( xml:lang="#{node.attr 'lang', 'en'}")
  if (root_tag_name = node.doctype) == 'manpage'
    manpage = true
    root_tag_name = 'article'
  end
  root_tag_idx = result.size
  id = node.id
  abstract = find_root_abstract node
  result << (document_info_tag node, abstract) unless node.noheader
  if manpage
    result << '<refentry>'
    result << '<refmeta>'
    result << %(<refentrytitle>#{node.apply_reftext_subs node.attr 'mantitle'}</refentrytitle>) if node.attr? 'mantitle'
    result << %(<manvolnum>#{node.attr 'manvolnum'}</manvolnum>) if node.attr? 'manvolnum'
    result << %(<refmiscinfo class="source">#{node.attr 'mansource', '&#160;'}</refmiscinfo>)
    result << %(<refmiscinfo class="manual">#{node.attr 'manmanual', '&#160;'}</refmiscinfo>)
    result << '</refmeta>'
    result << '<refnamediv>'
    result += (node.attr 'mannames').map {|n| %(<refname>#{n}</refname>) } if node.attr? 'mannames'
    result << %(<refpurpose>#{node.attr 'manpurpose'}</refpurpose>) if node.attr? 'manpurpose'
    result << '</refnamediv>'
  end
  unless (docinfo_content = node.docinfo :header).empty?
    result << docinfo_content
  end
  abstract = extract_abstract node, abstract if abstract
  result << (node.blocks.map {|block| block.convert }.compact.join LF) if node.blocks?
  restore_abstract abstract if abstract
  unless (docinfo_content = node.docinfo :footer).empty?
    result << docinfo_content
  end
  result << '</refentry>' if manpage
  id, node.id = node.id, nil unless id
  # defer adding root tag in case document ID is auto-generated on demand
  result.insert root_tag_idx, %(<#{root_tag_name} xmlns="http://docbook.org/ns/docbook" xmlns:xl="http://www.w3.org/1999/xlink" version="5.0"#{lang_attribute}#{common_attributes id}>)
  result << %(</#{root_tag_name}>)
  result.join LF
end

#convert_embedded(node) ⇒ Object 



80
81
82
83
84
85
86
87
88
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 80

def convert_embedded node
  # NOTE in DocBook 5, the root abstract must be in the info tag and is thus not part of the body
  if @backend == 'docbook5' && (abstract = find_root_abstract node)
    abstract = extract_abstract node, abstract
  end
  result = node.blocks.map {|block| block.convert }.compact.join LF
  restore_abstract abstract if abstract
  result
end

#convert_example(node) ⇒ Object 



180
181
182
183
184
185
186
187
188
189
190
191
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 180

def convert_example node
  if node.title?
    %(<example#{common_attributes node.id, node.role, node.reftext}>
<title>#{node.title}</title>
#{enclose_content node}
</example>)
  else
    %(<informalexample#{common_attributes node.id, node.role, node.reftext}>
#{enclose_content node}
</informalexample>)
  end
end

#convert_floating_title(node) ⇒ Object 



193
194
195
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 193

def convert_floating_title node
  %(<bridgehead#{common_attributes node.id, node.role, node.reftext} renderas="sect#{node.level}">#{node.title}</bridgehead>)
end

#convert_image(node) ⇒ Object 



197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 197

def convert_image node
  align_attribute = (node.attr? 'align') ? %( align="#{node.attr 'align'}") : ''

  mediaobject = %(<mediaobject>
<imageobject>
<imagedata fileref="#{node.image_uri node.attr 'target'}"#{image_size_attributes node.attributes}#{align_attribute}/>
</imageobject>
<textobject><phrase>#{node.alt}</phrase></textobject>
</mediaobject>)

  if node.title?
    %(<figure#{common_attributes node.id, node.role, node.reftext}>
<title>#{node.title}</title>
#{mediaobject}
</figure>)
  else
    %(<informalfigure#{common_attributes node.id, node.role, node.reftext}>
#{mediaobject}
</informalfigure>)
  end
end

#convert_inline_anchor(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 491

def convert_inline_anchor node
  case node.type
  when :ref
    %(<anchor#{common_attributes((id = node.id), nil, node.reftext || %([#{id}]))}/>)
  when :xref
    if (path = node.attributes['path'])
      %(<link xl:href="#{node.target}">#{node.text || path}</link>)
    else
      if (linkend = node.attributes['refid']).nil_or_empty?
        root_doc = get_root_document node
        # Q: should we warn instead of generating a document ID on demand?
        linkend = (root_doc.id ||= generate_document_id root_doc)
      end
      # NOTE the xref tag in DocBook does not support explicit link text, so the link tag must be used instead
      # The section at http://www.sagehill.net/docbookxsl/CrossRefs.html#IdrefLinks gives an explanation for this choice
      # "link - a cross reference where you supply the text of the reference as the content of the link element."
      (text = node.text) ? %(<link linkend="#{linkend}">#{text}</link>) : %(<xref linkend="#{linkend}"/>)
    end
  when :link
    %(<link xl:href="#{node.target}">#{node.text}</link>)
  when :bibref
    %(<anchor#{common_attributes node.id, nil, (text = "[#{node.reftext || node.id}]")}/>#{text})
  else
    logger.warn %(unknown anchor type: #{node.type.inspect})
    nil
  end
end

#convert_inline_break(node) ⇒ Object 



519
520
521
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 519

def convert_inline_break node
  %(#{node.text}<?asciidoc-br?>)
end

#convert_inline_button(node) ⇒ Object 



523
524
525
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 523

def convert_inline_button node
  %(<guibutton>#{node.text}</guibutton>)
end

#convert_inline_callout(node) ⇒ Object 



527
528
529
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 527

def convert_inline_callout node
  %(<co#{common_attributes node.id}/>)
end

#convert_inline_footnote(node) ⇒ Object 



531
532
533
534
535
536
537
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 531

def convert_inline_footnote node
  if node.type == :xref
    %(<footnoteref linkend="#{node.target}"/>)
  else
    %(<footnote#{common_attributes node.id}><simpara>#{node.text}</simpara></footnote>)
  end
end

#convert_inline_image(node) ⇒ Object 



539
540
541
542
543
544
545
546
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 539

def convert_inline_image node
  %(<inlinemediaobject#{common_attributes nil, node.role}>
<imageobject>
<imagedata fileref="#{node.type == 'icon' ? (node.icon_uri node.target) : (node.image_uri node.target)}"#{image_size_attributes node.attributes}/>
</imageobject>
<textobject><phrase>#{node.alt}</phrase></textobject>
</inlinemediaobject>)
end

#convert_inline_indexterm(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 548

def convert_inline_indexterm node
  if (see = node.attr 'see')
    rel = %(\n<see>#{see}</see>)
  elsif (see_also_list = node.attr 'see-also')
    rel = see_also_list.map {|see_also| %(\n<seealso>#{see_also}</seealso>) }.join
  else
    rel = ''
  end
  if node.type == :visible
    %(<indexterm>
<primary>#{node.text}</primary>#{rel}
</indexterm>#{node.text})
  elsif (numterms = (terms = node.attr 'terms').size) > 2
    %(<indexterm>
<primary>#{terms[0]}</primary><secondary>#{terms[1]}</secondary><tertiary>#{terms[2]}</tertiary>#{rel}
</indexterm>#{(node.document.option? 'indexterm-promotion') ? %(
<indexterm>
<primary>#{terms[1]}</primary><secondary>#{terms[2]}</secondary>
</indexterm>
<indexterm>
<primary>#{terms[2]}</primary>
</indexterm>) : ''})
  elsif numterms > 1
    %(<indexterm>
<primary>#{terms[0]}</primary><secondary>#{terms[1]}</secondary>#{rel}
</indexterm>#{(node.document.option? 'indexterm-promotion') ? %(
<indexterm>
<primary>#{terms[1]}</primary>
</indexterm>) : ''})
  else
    %(<indexterm>
<primary>#{terms[0]}</primary>#{rel}
</indexterm>)
  end
end

#convert_inline_kbd(node) ⇒ Object 



584
585
586
587
588
589
590
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 584

def convert_inline_kbd node
  if (keys = node.attr 'keys').size == 1
    %(<keycap>#{keys[0]}</keycap>)
  else
    %(<keycombo><keycap>#{keys.join '</keycap><keycap>'}</keycap></keycombo>)
  end
end

#convert_inline_menu(node) ⇒ Object 



592
593
594
595
596
597
598
599
600
601
602
603
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 592

def convert_inline_menu node
  menu = node.attr 'menu'
  if (submenus = node.attr 'submenus').empty?
    if (menuitem = node.attr 'menuitem')
      %(<menuchoice><guimenu>#{menu}</guimenu> <guimenuitem>#{menuitem}</guimenuitem></menuchoice>)
    else
      %(<guimenu>#{menu}</guimenu>)
    end
  else
    %(<menuchoice><guimenu>#{menu}</guimenu> <guisubmenu>#{submenus.join '</guisubmenu> <guisubmenu>'}</guisubmenu> <guimenuitem>#{node.attr 'menuitem'}</guimenuitem></menuchoice>)
  end
end

#convert_inline_quoted(node) ⇒ Object 



605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 605

def convert_inline_quoted node
  if (type = node.type) == :asciimath
    # NOTE fop requires jeuclid to process mathml markup
    asciimath_available? ? %(<inlineequation>#{(::AsciiMath.parse node.text).to_mathml 'mml:', 'xmlns:mml' => 'http://www.w3.org/1998/Math/MathML'}</inlineequation>) : %(<inlineequation><mathphrase><![CDATA[#{node.text}]]></mathphrase></inlineequation>)
  elsif type == :latexmath
    # unhandled math; pass source to alt and required mathphrase element; dblatex will process alt as LaTeX math
    %(<inlineequation><alt><![CDATA[#{equation = node.text}]]></alt><mathphrase><![CDATA[#{equation}]]></mathphrase></inlineequation>)
  else
    open, close, supports_phrase = QUOTE_TAGS[type]
    text = node.text
    if node.role
      if supports_phrase
        quoted_text = %(#{open}<phrase role="#{node.role}">#{text}</phrase>#{close})
      else
        quoted_text = %(#{open.chop} role="#{node.role}">#{text}#{close})
      end
    else
      quoted_text = %(#{open}#{text}#{close})
    end

    node.id ? %(<anchor#{common_attributes node.id, nil, text}/>#{quoted_text}) : quoted_text
  end
end

#convert_listing(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 219

def convert_listing node
  informal = !node.title?
  common_attrs = common_attributes node.id, node.role, node.reftext
  if node.style == 'source'
    attrs = node.attributes
    if node.option? 'linenums'
      numbering_attrs = (attrs.key? 'start') ? %( linenumbering="numbered" startinglinenumber="#{attrs['start'].to_i}") : ' linenumbering="numbered"'
    else
      numbering_attrs = ' linenumbering="unnumbered"'
    end
    if attrs.key? 'language'
      wrapped_content = %(<programlisting#{informal ? common_attrs : ''} language="#{attrs['language']}"#{numbering_attrs}>#{node.content}</programlisting>)
    else
      wrapped_content = %(<screen#{informal ? common_attrs : ''}#{numbering_attrs}>#{node.content}</screen>)
    end
  else
    wrapped_content = %(<screen#{informal ? common_attrs : ''}>#{node.content}</screen>)
  end
  informal ? wrapped_content : %(<formalpara#{common_attrs}>
<title>#{node.title}</title>
<para>
#{wrapped_content}
</para>
</formalpara>)
end

#convert_literal(node) ⇒ Object 



245
246
247
248
249
250
251
252
253
254
255
256
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 245

def convert_literal node
  if node.title?
    %(<formalpara#{common_attributes node.id, node.role, node.reftext}>
<title>#{node.title}</title>
<para>
<literallayout class="monospaced">#{node.content}</literallayout>
</para>
</formalpara>)
  else
    %(<literallayout#{common_attributes node.id, node.role, node.reftext} class="monospaced">#{node.content}</literallayout>)
  end
end

#convert_olist(node) ⇒ Object 



289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 289

def convert_olist node
  result = []
  num_attribute = node.style ? %( numeration="#{node.style}") : ''
  start_attribute = (node.attr? 'start') ? %( startingnumber="#{node.attr 'start'}") : ''
  result << %(<orderedlist#{common_attributes node.id, node.role, node.reftext}#{num_attribute}#{start_attribute}>)
  result << %(<title>#{node.title}</title>) if node.title?
  node.items.each do |item|
    result << %(<listitem#{common_attributes item.id, item.role}>)
    result << %(<simpara>#{item.text}</simpara>)
    result << item.content if item.blocks?
    result << '</listitem>'
  end
  result << %(</orderedlist>)
  result.join LF
end

#convert_open(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 305

def convert_open node
  case node.style
  when 'abstract'
    if (parent = node.parent) == node.document && node.document.doctype == 'book'
      logger.warn 'abstract block cannot be used in a document without a doctitle when doctype is book. Excluding block content.'
      ''
    else
      result = %(<abstract>
#{title_tag node}#{enclose_content node}
</abstract>)
      if @backend == 'docbook5' && !(node.option? 'root') && (parent.context == :open ? parent.style == 'partintro' : parent.context == :section && parent.sectname == 'partintro') && node == parent.blocks[0]
        result = %(<info>\n#{result}\n</info>)
      end
      result
    end
  when 'partintro'
    if node.level == 0 && node.parent.context == :section && node.document.doctype == 'book'
      %(<partintro#{common_attributes node.id, node.role, node.reftext}>
#{title_tag node}#{enclose_content node}
</partintro>)
    else
      logger.error 'partintro block can only be used when doctype is book and must be a child of a book part. Excluding block content.'
      ''
    end
  else
    reftext = node.reftext if (id = node.id)
    role = node.role
    if node.title?
      %(<formalpara#{common_attributes id, role, reftext}>
<title>#{node.title}</title>
<para>#{content_spacer = node.content_model == :compound ? LF : ''}#{node.content}#{content_spacer}</para>
</formalpara>)
    elsif id || role
      if node.content_model == :compound
        %(<para#{common_attributes id, role, reftext}>
#{node.content}
</para>)
      else
        %(<simpara#{common_attributes id, role, reftext}>#{node.content}</simpara>)
      end
    else
      enclose_content node
    end
  end
end

#convert_page_break(node) ⇒ Object 



351
352
353
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 351

def convert_page_break node
  '<simpara><?asciidoc-pagebreak?></simpara>'
end

#convert_paragraph(node) ⇒ Object 



355
356
357
358
359
360
361
362
363
364
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 355

def convert_paragraph node
  if node.title?
    %(<formalpara#{common_attributes node.id, node.role, node.reftext}>
<title>#{node.title}</title>
<para>#{node.content}</para>
</formalpara>)
  else
    %(<simpara#{common_attributes node.id, node.role, node.reftext}>#{node.content}</simpara>)
  end
end

#convert_preamble(node) ⇒ Object 



366
367
368
369
370
371
372
373
374
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 366

def convert_preamble node
  if node.document.doctype == 'book'
    %(<preface#{common_attributes node.id, node.role, node.reftext}>
#{title_tag node, false}#{node.content}
</preface>)
  else
    node.content
  end
end

#convert_quote(node) ⇒ Object 



376
377
378
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 376

def convert_quote node
  blockquote_tag(node, (node.has_role? 'epigraph') && 'epigraph') { enclose_content node }
end

#convert_section(node) ⇒ Object 



90
91
92
93
94
95
96
97
98
99
100
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 90

def convert_section node
  if node.document.doctype == 'manpage'
    tag_name = MANPAGE_SECTION_TAGS[tag_name = node.sectname] || tag_name
  else
    tag_name = node.sectname
  end
  title_el = node.special && ((node.option? 'notitle') || (node.option? 'untitled')) ? '' : %(<title>#{node.title}</title>\n)
  %(<#{tag_name}#{common_attributes node.id, node.role, node.reftext}>
#{title_el}#{node.content}
</#{tag_name}>)
end

#convert_sidebar(node) ⇒ Object 



384
385
386
387
388
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 384

def convert_sidebar node
  %(<sidebar#{common_attributes node.id, node.role, node.reftext}>
#{title_tag node}#{enclose_content node}
</sidebar>)
end

#convert_stem(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 260

def convert_stem node
  if (idx = node.subs.index :specialcharacters)
    node.subs.delete_at idx
    equation = node.content
    idx > 0 ? (node.subs.insert idx, :specialcharacters) : (node.subs.unshift :specialcharacters)
  else
    equation = node.content
  end
  if node.style == 'asciimath'
    # NOTE fop requires jeuclid to process mathml markup
    equation_data = asciimath_available? ? ((::AsciiMath.parse equation).to_mathml 'mml:', 'xmlns:mml' => 'http://www.w3.org/1998/Math/MathML') : %(<mathphrase><![CDATA[#{equation}]]></mathphrase>)
  else
    # unhandled math; pass source to alt and required mathphrase element; dblatex will process alt as LaTeX math
    equation_data = %(<alt><![CDATA[#{equation}]]></alt>
<mathphrase><![CDATA[#{equation}]]></mathphrase>)
  end
  if node.title?
    %(<equation#{common_attributes node.id, node.role, node.reftext}>
<title>#{node.title}</title>
#{equation_data}
</equation>)
  else
    # WARNING dblatex displays the <informalequation> element inline instead of block as documented (except w/ mathml)
    %(<informalequation#{common_attributes node.id, node.role, node.reftext}>
#{equation_data}
</informalequation>)
  end
end

#convert_table(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 390

def convert_table node
  has_body = false
  result = []
  pgwide_attribute = (node.option? 'pgwide') ? ' pgwide="1"' : ''
  frame = 'topbot' if (frame = node.attr 'frame', 'all', 'table-frame') == 'ends'
  grid = node.attr 'grid', nil, 'table-grid'
  result << %(<#{tag_name = node.title? ? 'table' : 'informaltable'}#{common_attributes node.id, node.role, node.reftext}#{pgwide_attribute} frame="#{frame}" rowsep="#{(%w(none cols).include? grid) ? 0 : 1}" colsep="#{(%w(none rows).include? grid) ? 0 : 1}"#{(node.attr? 'orientation', 'landscape', 'table-orientation') ? ' orient="land"' : ''}>)
  if node.option? 'unbreakable'
    result << '<?dbfo keep-together="always"?>'
  elsif node.option? 'breakable'
    result << '<?dbfo keep-together="auto"?>'
  end
  result << %(<title>#{node.title}</title>) if tag_name == 'table'
  if (width = (node.attr? 'width') ? (node.attr 'width') : nil)
    TABLE_PI_NAMES.each do |pi_name|
      result << %(<?#{pi_name} table-width="#{width}"?>)
    end
    col_width_key = 'colabswidth'
  else
    col_width_key = 'colpcwidth'
  end
  result << %(<tgroup cols="#{node.attr 'colcount'}">)
  node.columns.each do |col|
    result << %(<colspec colname="col_#{col.attr 'colnumber'}" colwidth="#{col.attr col_width_key}*"/>)
  end
  node.rows.to_h.each do |tsec, rows|
    next if rows.empty?
    has_body = true if tsec == :body
    result << %(<t#{tsec}>)
    rows.each do |row|
      result << '<row>'
      row.each do |cell|
        colspan_attribute = cell.colspan ? %( namest="col_#{colnum = cell.column.attr 'colnumber'}" nameend="col_#{colnum + cell.colspan - 1}") : ''
        rowspan_attribute = cell.rowspan ? %( morerows="#{cell.rowspan - 1}") : ''
        # NOTE <entry> may not have whitespace (e.g., line breaks) as a direct descendant according to DocBook rules
        entry_start = %(<entry align="#{cell.attr 'halign'}" valign="#{cell.attr 'valign'}"#{colspan_attribute}#{rowspan_attribute}>)
        if tsec == :head
          cell_content = cell.text
        else
          case cell.style
          when :asciidoc
            cell_content = cell.content
          when :literal
            cell_content = %(<literallayout class="monospaced">#{cell.text}</literallayout>)
          when :header
            cell_content = (cell_content = cell.content).empty? ? '' : %(<simpara><emphasis role="strong">#{cell_content.join '</emphasis></simpara><simpara><emphasis role="strong">'}</emphasis></simpara>)
          else
            cell_content = (cell_content = cell.content).empty? ? '' : %(<simpara>#{cell_content.join '</simpara><simpara>'}</simpara>)
          end
        end
        entry_end = (node.document.attr? 'cellbgcolor') ? %(<?dbfo bgcolor="#{node.document.attr 'cellbgcolor'}"?></entry>) : '</entry>'
        result << %(#{entry_start}#{cell_content}#{entry_end})
      end
      result << '</row>'
    end
    result << %(</t#{tsec}>)
  end
  result << '</tgroup>'
  result << %(</#{tag_name}>)

  logger.warn 'tables must have at least one body row' unless has_body
  result.join LF
end

#convert_thematic_break(node) ⇒ Object 



380
381
382
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 380

def convert_thematic_break node
  '<simpara><?asciidoc-hr?></simpara>'
end

#convert_ulist(node) ⇒ Object 



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
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 456

def convert_ulist node
  result = []
  if node.style == 'bibliography'
    result << %(<bibliodiv#{common_attributes node.id, node.role, node.reftext}>)
    result << %(<title>#{node.title}</title>) if node.title?
    node.items.each do |item|
      result << '<bibliomixed>'
      result << %(<bibliomisc>#{item.text}</bibliomisc>)
      result << item.content if item.blocks?
      result << '</bibliomixed>'
    end
    result << '</bibliodiv>'
  else
    mark_type = (checklist = node.option? 'checklist') ? 'none' : node.style
    mark_attribute = mark_type ? %( mark="#{mark_type}") : ''
    result << %(<itemizedlist#{common_attributes node.id, node.role, node.reftext}#{mark_attribute}>)
    result << %(<title>#{node.title}</title>) if node.title?
    node.items.each do |item|
      text_marker = (item.attr? 'checked') ? '&#10003; ' : '&#10063; ' if checklist && (item.attr? 'checkbox')
      result << %(<listitem#{common_attributes item.id, item.role}>)
      result << %(<simpara>#{text_marker || ''}#{item.text}</simpara>)
      result << item.content if item.blocks?
      result << '</listitem>'
    end
    result << '</itemizedlist>'
  end
  result.join LF
end

#convert_verse(node) ⇒ Object 



485
486
487
 
# File 'lib/asciidoctor/converter/docbook5.rb', line 485

def convert_verse node
  blockquote_tag(node, (node.has_role? 'epigraph') && 'epigraph') { %(<literallayout>#{node.content}</literallayout>) }
end