Module: Ariadna::Tools::Frontmatter

Defined in:
lib/ariadna/tools/frontmatter.rb

Constant Summary collapse

SCHEMAS = 
{
  "plan" => %w[phase plan type],
  "summary" => %w[phase plan subsystem],
  "verification" => %w[phase]
}.freeze

Class Method Summary collapse

Class Method Details

.body(content) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 116

def self.body(content)
  return content unless content.start_with?("---\n")

  end_index = content.index("---", 3)
  return content unless end_index

  content[(end_index + 3)..].lstrip
end

.dispatch(argv, raw: false) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 13

def self.dispatch(argv, raw: false)
  subcommand = argv.shift
  file = argv.shift

  case subcommand
  when "get"
    field = extract_flag(argv, "--field")
    get(file, field: field, raw: raw)
  when "set"
    field = extract_flag(argv, "--field")
    value = extract_flag(argv, "--value")
    set(file, field: field, value: value, raw: raw)
  when "merge"
    data = extract_flag(argv, "--data")
    merge(file, data: data, raw: raw)
  when "validate"
    schema = extract_flag(argv, "--schema")
    validate(file, schema: schema, raw: raw)
  else
    Output.error("Unknown frontmatter subcommand. Available: get, set, merge, validate")
  end
end

.extract(content) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 36

def self.extract(content)
  return {} unless content.start_with?("---\n")

  end_index = content.index("---", 3)
  return {} unless end_index

  yaml_str = content[3...end_index].strip
  parse_yaml(yaml_str)
end

.get(file, field: nil, raw: false) ⇒ Object

— CLI commands —



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# File 'lib/ariadna/tools/frontmatter.rb', line 127

def self.get(file, field: nil, raw: false)
  cwd = Dir.pwd
  path = File.expand_path(file, cwd)
  content = File.read(path)
  fm = extract(content)

  if field
    value = fm[field]
    Output.json({ field => value }, raw: raw, raw_value: value.to_s)
  else
    Output.json(fm, raw: raw)
  end
rescue Errno::ENOENT
  Output.error("File not found: #{file}")
end

.merge(file, data:, raw: false) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 159

def self.merge(file, data:, raw: false)
  Output.error("--data required") unless data
  cwd = Dir.pwd
  path = File.expand_path(file, cwd)
  content = File.read(path)
  fm = extract(content)

  merge_data = JSON.parse(data)
  fm.merge!(merge_data)
  new_content = splice(content, fm)
  File.write(path, new_content)
  Output.json({ merged: true, fields: merge_data.keys }, raw: raw, raw_value: "true")
rescue Errno::ENOENT
  Output.error("File not found: #{file}")
rescue JSON::ParserError
  Output.error("Invalid JSON in --data")
end

.reconstruct(obj) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 46

def self.reconstruct(obj)
  lines = []
  obj.each do |key, value|
    next if value.nil?

    if value.is_a?(Array)
      if value.empty?
        lines << "#{key}: []"
      elsif value.all?(String) && value.length <= 3 && value.join(", ").length < 60
        lines << "#{key}: [#{value.join(', ')}]"
      else
        lines << "#{key}:"
        value.each do |item|
          item_str = item.to_s
          lines << if item_str.include?(":") || item_str.include?("#")
                     "  - \"#{item_str}\""
                   else
                     "  - #{item_str}"
                   end
        end
      end
    elsif value.is_a?(Hash)
      lines << "#{key}:"
      value.each do |subkey, subval|
        next if subval.nil?

        if subval.is_a?(Array)
          if subval.empty?
            lines << "  #{subkey}: []"
          else
            lines << "  #{subkey}:"
            subval.each { |item| lines << "    - #{item}" }
          end
        elsif subval.is_a?(Hash)
          lines << "  #{subkey}:"
          subval.each do |k, v|
            next if v.nil?

            lines << "    #{k}: #{v}"
          end
        else
          sv = subval.to_s
          lines << if sv.include?(":") || sv.include?("#")
                     "  #{subkey}: \"#{sv}\""
                   else
                     "  #{subkey}: #{sv}"
                   end
        end
      end
    else
      sv = value.to_s
      lines << if sv.include?(":") || sv.include?("#") || sv.start_with?("[") || sv.start_with?("{")
                 "#{key}: \"#{sv}\""
               else
                 "#{key}: #{sv}"
               end
    end
  end
  lines.join("\n")
end

.set(file, field:, value:, raw: false) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 143

def self.set(file, field:, value:, raw: false)
  Output.error("field and value required") unless field && value
  cwd = Dir.pwd
  path = File.expand_path(file, cwd)
  content = File.read(path)
  fm = extract(content)

  parsed_value = parse_value(value)
  fm[field] = parsed_value
  new_content = splice(content, fm)
  File.write(path, new_content)
  Output.json({ updated: true, field: field, value: parsed_value }, raw: raw, raw_value: "true")
rescue Errno::ENOENT
  Output.error("File not found: #{file}")
end

.splice(content, new_obj) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 107

def self.splice(content, new_obj)
  yaml_str = reconstruct(new_obj)
  if content.match?(/\A---\n[\s\S]+?\n---/)
    content.sub(/\A---\n[\s\S]+?\n---/, "---\n#{yaml_str}\n---")
  else
    "---\n#{yaml_str}\n---\n\n#{content}"
  end
end

.validate(file, schema:, raw: false) ⇒ Object 



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# File 'lib/ariadna/tools/frontmatter.rb', line 177

def self.validate(file, schema:, raw: false)
  Output.error("--schema required") unless schema
  required = SCHEMAS[schema]
  Output.error("Unknown schema: #{schema}. Available: #{SCHEMAS.keys.join(', ')}") unless required

  cwd = Dir.pwd
  path = File.expand_path(file, cwd)
  content = File.read(path)
  fm = extract(content)

  missing = required.reject { |f| fm.key?(f) }
  valid = missing.empty?
  Output.json({ valid: valid, missing: missing, schema: schema }, raw: raw, raw_value: valid.to_s)
rescue Errno::ENOENT
  Output.error("File not found: #{file}")
end