Class: Metanorma::Plugin::Lutaml::SourceExtractor

Inherits:
Object
  • Object
show all
Includes:
Utils
Defined in:
lib/metanorma/plugin/lutaml/source_extractor.rb

Constant Summary collapse

ANCHOR_REGEX_1 =

example:

- [[abc]]

/^\[\[(?<id>[^\]]*)\]\]\s*$/
ANCHOR_REGEX_2 =

examples:

- [#abc]
- [source#abc,ruby]

/^\[[^#,]*#(?<id>[^,\]]*)[,\]]/
ANCHOR_REGEX_3 =

examples:

- [id=abc]
- [source,id="abc"]

/^\[(?:.+,)?id=['"]?(?<id>[^,\]'"]*)['"]?[,\]]/

Constants included from Utils

Utils::LUTAML_EXP_IDX_TAG

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils

create_liquid_environment, error_signature, load_express_from_folder, load_express_from_index, load_express_repo_from_cache, load_express_repo_from_path, load_express_repositories, notify_render_errors, parse_document_express_indexes, processed_lines, relative_file_path, render_liquid_string, save_express_repo_to_cache

Constructor Details

#initialize(document, input_lines) ⇒ SourceExtractor

Returns a new instance of SourceExtractor.



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 23

def initialize(document, input_lines)
  @document = document
  @input_lines = input_lines

  @document.attributes["source_blocks"] ||= {}
end

Class Method Details

.extract(document, input_lines) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 30

def self.extract(document, input_lines)
  new(document, input_lines).extract
end

Instance Method Details

#extract ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 34

def extract # rubocop:disable Metrics/AbcSize
  lines = @input_lines.to_enum

  loop do
    line = lines.next

    if /^embed::|^include::/.match?(line.strip)
      file_lines = read(filename(@document, line)) or next
      SourceExtractor.extract(@document, file_lines)
    elsif m = match_anchor(line)
      @document.attributes["source_blocks"][m[:id]] = read_section lines
    end
  end
end

#filename(document, line) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 68

def filename(document, line)
  m = /(^include::|^embed::)([^\[]+)\[/.match(line)
  return nil unless m

  file_path = relative_file_path(document, m[2])

  File.exist?(file_path) ? file_path : nil
end

#match_anchor(line) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 49

def match_anchor(line)
  line.match(ANCHOR_REGEX_1) ||
    line.match(ANCHOR_REGEX_2) ||
    line.match(ANCHOR_REGEX_3)
end

#read(inc_path) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 61

def read(inc_path)
  inc_path or return nil
  ::File.open inc_path, "r" do |fd|
    readlines_safe(fd).map(&:chomp)
  end
end

#read_section(lines) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 77

def read_section(lines)
  m = lines.next.match(/^--+/)
  return "" unless m

  end_mark = m[0]
  current_section = []

  while (line = lines.next) != end_mark
    current_section << line
  end

  current_section.join("\n")
end

#readlines_safe(file) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/source_extractor.rb', line 55

def readlines_safe(file)
  return [] if file.eof?

  file.readlines
end