Module: Metanorma::Plugin::Lutaml::Utils

Included in:
BasePreprocessor, BaseStructuredTextPreprocessor, LutamlEaXmiBase, SourceExtractor
Defined in:
lib/metanorma/plugin/lutaml/utils.rb

Overview

Helpers for lutaml macros

Defined Under Namespace

Modules: LiquidErrorCapturer

Constant Summary collapse

LUTAML_EXP_IDX_TAG = 
%r{
  ^:lutaml-express-index: # Start of the pattern
  (?<index_name>.+?)      # Capture index name
  ;                       # Separator
  (?<index_path>.+?)      # Capture index path
  ;?                      # Optional separator
  (?<cache_group>         # Optional cache group
    \s*cache=             # Cache prefix
    (?<cache_path>.+)     # Capture cache path
  )?                      # End of optional group
  $                       # End of the pattern
}x

Class Method Summary collapse

Class Method Details

.create_liquid_environment ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 90

def create_liquid_environment
  ::Liquid::Environment.new.tap do |liquid_env|
    liquid_env.register_tag(
      "keyiterator",
      ::Metanorma::Plugin::Lutaml::Liquid::CustomBlocks::KeyIterator,
    )
    liquid_env.register_filter(
      ::Metanorma::Plugin::Lutaml::Liquid::CustomFilters,
    )
  end
end

.error_signature(err) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 136

def error_signature(err)
  orig = err.respond_to?(:original_error) && err.original_error
  base = "#{err.class}: #{err.message}"
  orig ? "#{base} (#{orig.class}: #{orig.message})" : base
end

.load_express_from_folder(folder) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 203

def load_express_from_folder(folder)
  file_paths = Dir["#{folder}/*.exp"]
  ::Expressir::Express::Parser.from_files(file_paths)
end

.load_express_from_index(_document, path) ⇒ Object

TODO: Refactor this using Suma::SchemaConfig



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 209

def load_express_from_index(_document, path) # rubocop:disable Metrics/AbcSize,Metrics/MethodLength
  yaml_content = YAML.safe_load_file(path)
  schema_yaml_base_path = Pathname.new(File.dirname(path))

  # If there is a global root path set, all subsequent paths are
  # relative to it.
  if yaml_content["path"]
    root_schema_path = Pathname.new(yaml_content["path"])
    schema_yaml_base_path = schema_yaml_base_path + root_schema_path
  end

  file_paths = yaml_content["schemas"].map do |key, value|
    schema_path = Pathname.new(value["path"] || "#{key}.exp")
    (schema_yaml_base_path + schema_path).cleanpath.to_s
  end

  ::Expressir::Express::Parser.from_files(file_paths)
end

.load_express_repo_from_cache(path) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 185

def load_express_repo_from_cache(path)
  ::Lutaml::Express::Parsers::Exp.parse_cache(path)
end

.load_express_repo_from_path(document, path) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 197

def load_express_repo_from_path(document, path)
  return load_express_from_folder(path) if File.directory?(path)

  load_express_from_index(document, path)
end

.load_express_repositories(path:, cache_path:, document:, force_read: false) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 142

def load_express_repositories( # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity
  path:, cache_path:, document:, force_read: false
)
  cache_full_path = cache_path &&
    Utils.relative_file_path(document, cache_path)

  # If there is cache and "force read" not set.
  if !force_read && cache_full_path && File.file?(cache_full_path)
    return load_express_repo_from_cache(cache_full_path)
  end

  # If there is no cache or "force read" is set.
  full_path = Utils.relative_file_path(document, path)
  lutaml_doc = load_express_repo_from_path(document, full_path)

  if cache_full_path && !File.file?(cache_full_path)
    save_express_repo_to_cache(
      cache_full_path,
      lutaml_doc,
      document,
    )
  end

  lutaml_doc
rescue Expressir::Error
  FileUtils.rm_rf(cache_full_path)

  load_express_repositories(
    path: path,
    cache_path: cache_path,
    document: document,
    force_read: true,
  )
rescue StandardError => e
  ::Metanorma::Util.log(
    "[metanorma-plugin-lutaml] Failed to load " \
    "#{full_path}: #{e.message}",
    :error,
  )
  raise e
  # nil
end

.notify_render_errors(_document, errors) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 112

def notify_render_errors(_document, errors)
  return if errors.empty?

  grouped = errors.group_by { |e| error_signature(e) }
  grouped.each do |sig, errs|
    total = errs.size
    already_seen = @seen_liquid_errors.include?(sig)
    @seen_liquid_errors << sig
    next if already_seen

    err = errs.first
    backtrace = err.backtrace&.first(3)&.join("\n").to_s
    count_label = total > 1 ? " (#{total}x)" : ""
    parts = ["[metanorma-plugin-lutaml] Liquid render error#{count_label}:"]
    parts << "  #{err.class}: #{err.message}"
    if err.respond_to?(:original_error) && err.original_error
      orig = err.original_error
      parts << "  Caused by: #{orig.class}: #{orig.message}"
    end
    parts << backtrace unless backtrace.empty?
    ::Metanorma::Util.log(parts.join("\n"), :error)
  end
end

.parse_document_express_indexes(document, input_lines) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 228

def parse_document_express_indexes(document, input_lines) # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity
  express_indexes = {}
  loop do
    line = input_lines.next

    # Finished parsing document attributes
    break if line.empty?

    match = line.match(LUTAML_EXP_IDX_TAG)
    next unless match

    name = match[:index_name]&.strip
    path = match[:index_path]&.strip
    cache = match[:cache_path]&.strip

    unless name && path
      raise StandardError.new("No name and path set in " \
                              "`:lutaml-express-index:` attribute.")
    end

    lutaml_expressir_model = load_express_repositories(
      path: path,
      cache_path: cache,
      document: document,
    )

    if lutaml_expressir_model
      express_indexes[name] = { model: lutaml_expressir_model }
    end
  end

  express_indexes
rescue StopIteration
  express_indexes
ensure
  input_lines.rewind
end

.processed_lines(document, input_lines) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 102

def processed_lines(document, input_lines)
  result = []
  loop do
    result.push(*process_text_blocks(document, input_lines))
  end
  result
end

.relative_file_path(document, file_path) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 50

def relative_file_path(document, file_path)
  docfile_directory = File.dirname(
    document.attributes["docfile"] || ".",
  )
  document
    .path_resolver
    .system_path(file_path, docfile_directory)
end

.render_liquid_string(contexts:, document:, template_string: nil, include_path: nil, template_path: nil) ⇒ Object

rubocop:disable Metrics/MethodLength,Metrics/AbcSize



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 59

def render_liquid_string( # rubocop:disable Metrics/MethodLength,Metrics/AbcSize
  contexts:, document:,
  template_string: nil, include_path: nil, template_path: nil
)
  unless ::Liquid::Context <= LiquidErrorCapturer
    ::Liquid::Context.prepend(LiquidErrorCapturer)
  end

  # Allow includes for the template
  include_paths = [
    Utils.relative_file_path(document, ""),
    include_path, template_path
  ].compact

  if template_path
    template_string = File.read(template_path)
  end

  liquid_template = ::Liquid::Template
    .parse(template_string, environment: create_liquid_environment)
  liquid_template.registers[:file_system] =
    ::Metanorma::Plugin::Lutaml::Liquid::LocalFileSystem
      .new(include_paths, ["%s.liquid", "_%s.liquid", "_%s.adoc"])
  rendered_string = liquid_template
    .render(contexts,
            strict_variables: false,
            error_mode: :warn)

  [rendered_string, liquid_template.errors]
end

.save_express_repo_to_cache(path, repository, document) ⇒ Object 



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# File 'lib/metanorma/plugin/lutaml/utils.rb', line 189

def save_express_repo_to_cache(path, repository, document)
  root_path = Pathname.new(relative_file_path(document, ""))
  Expressir::Express::Cache
    .to_file(path,
             repository,
             root_path: root_path)
end