Class: Odin::Serialization::Stringify

Inherits:
Object
  • Object
show all
Defined in:
lib/odin/serialization/stringify.rb

Defined Under Namespace

Classes: PathNode

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Stringify

Returns a new instance of Stringify.



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# File 'lib/odin/serialization/stringify.rb', line 14

def initialize(options = {})
  @use_headers = options.fetch(:use_headers, true)
  @use_tabular = options.fetch(:use_tabular, true)
  @sort_paths  = options.fetch(:sort_paths, false)
  @line_ending = options.fetch(:line_ending, "\n")
  @include_comments = options.fetch(:include_comments, true)
end

Instance Method Details

#stringify(doc) ⇒ Object 



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# File 'lib/odin/serialization/stringify.rb', line 22

def stringify(doc)
  lines = []

  # Get direct access to internal hashes — avoids method dispatch per path
  assignments = doc.assignments
  metadata = doc.metadata
  modifiers = doc.all_modifiers
  comments = @include_comments ? doc.all_comments : nil

  # Separate metadata and data paths
  meta_paths = []
  data_paths = []

  assignments.each_key do |path|
    if path.getbyte(0) == 36 && path.getbyte(1) == 46 # "$."
      meta_paths << path
    else
      data_paths << path
    end
  end

  # Also add from metadata map
  unless metadata.empty?
    metadata.each_key do |key|
      p = "$.#{key}"
      meta_paths << p unless assignments.key?(p)
    end
  end

  meta_paths.sort! if @sort_paths

  # Output metadata
  unless meta_paths.empty?
    lines << "{$}" if @use_headers
    meta_paths.each do |path|
      value = assignments[path] || metadata[path[2..]]
      next unless value

      display_path = @use_headers ? path[2..] : path
      lines << format_assignment(display_path, value, modifiers[path], nil)
    end
    lines << "{}" if @use_headers && !data_paths.empty?
  end

  # Output data assignments
  if @use_headers && !@sort_paths && shallow_document?(data_paths)
    output_flat_sections(assignments, modifiers, comments, data_paths, lines)
  elsif @use_headers || @use_tabular
    output_hierarchical(assignments, modifiers, comments, data_paths, lines)
  else
    data_paths = data_paths.sort if @sort_paths
    data_paths.each do |path|
      value = assignments[path]
      next unless value

      comment = comments ? comments[path] : nil
      lines << format_assignment(path, value, modifiers[path], comment)
    end
  end

  result = lines.join(@line_ending)
  result << @line_ending unless lines.empty?
  result
end