Class: Metanorma::Input::Asciidoc

Inherits:
Base
  • Object
show all
Defined in:
lib/metanorma/input/asciidoc.rb

Instance Method Summary collapse

Instance Method Details

#asciidoctor_validate(file, filename, options) ⇒ Object 



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# File 'lib/metanorma/input/asciidoc.rb', line 27

def asciidoctor_validate(file, filename, options)
  err = nil
  begin
    previous_stderr, $stderr = $stderr, StringIO.new
    ::Asciidoctor.load(file, options)
    %r{(\n|^)asciidoctor: ERROR: ['"]?#{Regexp.escape(filename || 
      "<empty>")}['"]?: line \d+: include file not found: }.match($stderr.string) and
        err = $stderr.string
  ensure
    $stderr = previous_stderr
  end
  warn err unless err.nil?
  err.nil?
end

#empty_attr(attr, name) ⇒ Object 



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# File 'lib/metanorma/input/asciidoc.rb', line 59

def empty_attr(attr, name)
  attr&.sub(/^#{name}:\s*$/, "#{name}: true")&.sub(/^#{name}:\s+/, "")
end

#extract_metanorma_options(file) ⇒ Object 



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# File 'lib/metanorma/input/asciidoc.rb', line 42

def extract_metanorma_options(file)
  headerextract = file.sub(/\n\n.*$/m, "\n")
  /\n:mn-document-class: (?<type>[^\n]+)\n/ =~ headerextract
  /\n:mn-output-extensions: (?<extensions>[^\n]+)\n/ =~ headerextract
  /\n:mn-relaton-output-file: (?<relaton>[^\n]+)\n/ =~ headerextract
  /\n(?<asciimath>:mn-keep-asciimath:[^\n]*)\n/ =~ headerextract
  asciimath = defined?(asciimath) ?
    (!asciimath.nil? && asciimath != ":mn-keep-asciimath: false") : nil
  asciimath = nil if asciimath == false
  {
    type: defined?(type) ? type : nil,
    extensions: defined?(extensions) ? extensions : nil,
    relaton: defined?(relaton) ? relaton : nil,
    asciimath: asciimath,
  }.reject { |_, val| val.nil? }
end

#extract_options(file) ⇒ Object 



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# File 'lib/metanorma/input/asciidoc.rb', line 63

def extract_options(file)
  headerextract = file.sub(/\n\n.*$/m, "\n")

  /\n:script: (?<script>[^\n]+)\n/ =~ headerextract
  /\n:body-font: (?<bodyfont>[^\n]+)\n/ =~ headerextract
  /\n:header-font: (?<headerfont>[^\n]+)\n/ =~ headerextract
  /\n:monospace-font: (?<monospacefont>[^\n]+)\n/ =~ headerextract
  /\n:title-font: (?<titlefont>[^\n]+)\n/ =~ headerextract
  /\n:i18nyaml: (?<i18nyaml>[^\n]+)\n/ =~ headerextract
  /\n:htmlstylesheet: (?<htmlstylesheet>[^\n]+)\n/ =~ headerextract
  /\n:htmlcoverpage: (?<htmlcoverpage>[^\n]+)\n/ =~ headerextract
  /\n:htmlintropage: (?<htmlintropage>[^\n]+)\n/ =~ headerextract
  /\n:scripts: (?<scripts>[^\n]+)\n/ =~ headerextract
  /\n:scripts-pdf: (?<scripts_pdf>[^\n]+)\n/ =~ headerextract
  /\n:wordstylesheet: (?<wordstylesheet>[^\n]+)\n/ =~ headerextract
  /\n:standardstylesheet: (?<standardstylesheet>[^\n]+)\n/ =~ headerextract
  /\n:header: (?<header>[^\n]+)\n/ =~ headerextract
  /\n:wordcoverpage: (?<wordcoverpage>[^\n]+)\n/ =~ headerextract
  /\n:wordintropage: (?<wordintropage>[^\n]+)\n/ =~ headerextract
  /\n:ulstyle: (?<ulstyle>[^\n]+)\n/ =~ headerextract
  /\n:olstyle: (?<olstyle>[^\n]+)\n/ =~ headerextract
  /\n:data-uri-image: (?<datauriimage>[^\n]+)\n/ =~ headerextract
  /\n:htmltoclevels: (?<htmltoclevels>[^\n]+)\n/ =~ headerextract
  /\n:doctoclevels: (?<doctoclevels>[^\n]+)\n/ =~ headerextract
  /\n:(?<hierarchical_assets>hierarchical-assets:[^\n]*)\n/ =~ headerextract
  /\n:(?<use_xinclude>use-xinclude:[^\n]*)\n/ =~ headerextract
  /\n:(?<break_up_urls_in_tables>break-up-urls-in-tables:[^\n]*)\n/ =~ headerextract

  defined?(hierarchical_assets) and
    hierarchical_assets = empty_attr(hierarchical_assets, "hierarchical-assets")
  defined?(use_xinclude) and
    use_xinclude = empty_attr(use_xinclude, "use-xinclude")
  defined?(break_up_urls_in_tables) and
    break_up_urls_in_tables = empty_attr(break_up_urls_in_tables, "break-up-urls-in-tables")
  {
    script: defined?(script) ? script : nil,
    bodyfont: defined?(bodyfont) ? bodyfont : nil,
    headerfont: defined?(headerfont) ? headerfont : nil,
    monospacefont: defined?(monospacefont) ? monospacefont : nil,
    titlefont: defined?(titlefont) ? titlefont : nil,
    i18nyaml: defined?(i18nyaml) ? i18nyaml : nil,
    htmlstylesheet: defined?(htmlstylesheet) ? htmlstylesheet : nil,
    htmlcoverpage: defined?(htmlcoverpage) ? htmlcoverpage : nil,
    htmlintropage: defined?(htmlintropage) ? htmlintropage : nil,
    scripts: defined?(scripts) ? scripts : nil,
    scripts_pdf: defined?(scripts_pdf) ? scripts_pdf : nil,
    wordstylesheet: defined?(wordstylesheet) ? wordstylesheet : nil,
    standardstylesheet: defined?(standardstylesheet) ? standardstylesheet : nil,
    header: defined?(header) ? header : nil,
    wordcoverpage: defined?(wordcoverpage) ? wordcoverpage : nil,
    wordintropage: defined?(wordintropage) ? wordintropage : nil,
    ulstyle: defined?(ulstyle) ? ulstyle : nil,
    olstyle: defined?(olstyle) ? olstyle : nil,
    datauriimage: defined?(datauriimage) ? datauriimage != "false" : nil,
    htmltoclevels: defined?(htmltoclevels) ? htmltoclevels : nil,
    doctoclevels: defined?(doctoclevels) ? doctoclevels : nil,
    hierarchical_assets: defined?(hierarchical_assets) ? hierarchical_assets : nil,
    use_xinclude: defined?(use_xinclude) ? use_xinclude : nil,
    break_up_urls_in_tables: defined?(break_up_urls_in_tables) ? break_up_urls_in_tables : nil,
  }.reject { |_, val| val.nil? }
end

#process(file, filename, type, options = {}) ⇒ Object 



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# File 'lib/metanorma/input/asciidoc.rb', line 8

def process(file, filename, type, options = {})
  require "asciidoctor"
  out_opts = {
    to_file: false,
    safe: :safe,
    backend: type,
    header_footer: true,
    attributes: [
      "nodoc", "stem", "xrefstyle=short", "docfile=#{filename}",
      "output_dir=#{options[:"output-dir"]}"
    ]
  }
  unless asciidoctor_validate(file, filename, out_opts)
    warn "Cannot continue compiling Asciidoctor document"
    abort
  end
  ::Asciidoctor.convert(file, out_opts)
end