find_templates.rb

class PathResolver < Resolver #:nodoc:
    EXTENSIONS = { locale: ".", formats: ".", variants: "+", handlers: "." }
    DEFAULT_PATTERN = ":prefix/:action{.:locale,}{.:formats,}{+:variants,}{.:handlers,}"
    ...
    private
        def find_templates(name, prefix, partial, details, outside_app_allowed = false)
            path = Path.build(name, prefix, partial)
            # Note details and details[:formats] are used here
            query(path, details, details[:formats], outside_app_allowed)
        end

        def query(path, details, formats, outside_app_allowed)
            query = build_query(path, details)
            template_paths = find_template_paths(query)
            ...
            end
        end