Module: Ast::Merge::YamlDocument

Defined in:
lib/ast/merge/yaml_document.rb

Overview

Parser-neutral semantic analysis shared by YAML backend providers. rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/ModuleLength, Metrics/PerceivedComplexity -- recursive YAML validation, rendering, and ownership are one parser-neutral semantic boundary

Class Method Summary collapse

Class Method Details

.analyze(parsed, dialect) ⇒ Object 



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# File 'lib/ast/merge/yaml_document.rb', line 12

def analyze(parsed, dialect)
  return unsupported("Unsupported YAML dialect #{dialect}.") unless dialect == 'yaml'
  return parse_error('YAML documents must parse to a mapping root.') unless parsed.is_a?(Hash)

  validated = validate_node(parsed, '')
  return { ok: false, diagnostics: [validated[:diagnostic]], policies: [] } unless validated[:ok]

  {
    ok: true,
    diagnostics: [],
    analysis: {
      kind: 'yaml',
      dialect: 'yaml',
      normalized_source: canonical_yaml(validated[:value]),
      document: validated[:value],
      root_kind: 'mapping',
      owners: collect_owners(validated[:value])
    },
    policies: []
  }
end

.match_owners(template, destination) ⇒ Object 



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# File 'lib/ast/merge/yaml_document.rb', line 34

def match_owners(template, destination)
  destination_paths = destination[:owners].to_h { |owner| [owner[:path], true] }
  template_paths = template[:owners].to_h { |owner| [owner[:path], true] }

  {
    matched: template[:owners]
             .filter { |owner| destination_paths[owner[:path]] }
             .map { |owner| { template_path: owner[:path], destination_path: owner[:path] } },
    unmatched_template: template[:owners].map { |owner| owner[:path] }.reject { |path| destination_paths[path] },
    unmatched_destination: destination[:owners]
                           .map { |owner| owner[:path] }
                           .reject { |path| template_paths[path] }
  }
end