Class: Hocon::Impl::Parseable::ParseableResources

Inherits:
Hocon::Impl::Parseable show all
Includes:
Relativizer
Defined in:
lib/hocon/impl/parseable.rb

Overview

NOTE: this is not a faithful port of the ParseableResources class from the upstream, because at least for now we’re not going to try to do anything crazy like look for files on the ruby load path. However, there is a decent chunk of logic elsewhere in the codebase that is written with the assumption that this class will provide the ‘last resort’ attempt to find a config file before giving up, so we’re basically port just enough to have it provide that last resort behavior

Constant Summary

Constants inherited from Hocon::Impl::Parseable

MAX_INCLUDE_DEPTH

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Hocon::Impl::Parseable

#content_type, #custom_reader, #fixup_options, force_parsed_to_object, #include_context, new_file, new_not_found, new_resources, new_string, #options, #origin, #parse, #parse_config_document, #parse_document, #parse_document_from_origin, parse_stack, #parse_value, #parse_value_from_origin, #post_construct, #raw_parse_document, #raw_parse_document_from_io, #raw_parse_value_from_io, relative_to, syntax_from_extension, trace

Methods included from ConfigParseable

#options, #origin, #parse

Constructor Details

#initialize(resource, options) ⇒ ParseableResources

Returns a new instance of ParseableResources.



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# File 'lib/hocon/impl/parseable.rb', line 481

def initialize(resource, options)
  super()
  @resource = resource
  post_construct(options)
end

Class Method Details

.parent(resource) ⇒ Object 



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# File 'lib/hocon/impl/parseable.rb', line 503

def self.parent(resource)
  # the "resource" is not supposed to begin with a "/"
  # because it's supposed to be the raw resource
  # (ClassLoader#getResource), not the
  # resource "syntax" (Class#getResource)
  i = resource.rindex("/")
  if i < 0
    nil
  else
    resource.slice(0..i)
  end
end

Instance Method Details

#create_origin ⇒ Object 



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# File 'lib/hocon/impl/parseable.rb', line 536

def create_origin
  Hocon::Impl::SimpleConfigOrigin.new_resource(@resource)
end

#guess_syntax ⇒ Object 



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# File 'lib/hocon/impl/parseable.rb', line 499

def guess_syntax
  Hocon::Impl::Parseable.syntax_from_extension(@resource)
end

#raw_parse_value(origin, final_options) ⇒ Object

Raises:

  • (IOError) 


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# File 'lib/hocon/impl/parseable.rb', line 491

def raw_parse_value(origin, final_options)
  # this is where the upstream code would go out and look for a file on the
  # classpath.  We're not going to do that, and instead we're just going to
  # raise the same exception that the upstream code would raise if it failed
  # to find the file.
  raise IOError, "resource not found: #{@resource}"
end

#reader ⇒ Object

Raises:



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# File 'lib/hocon/impl/parseable.rb', line 487

def reader
  raise Hocon::ConfigError::ConfigBugOrBrokenError, "reader() should not be called on resources"
end

#relative_to(sibling) ⇒ Object 



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# File 'lib/hocon/impl/parseable.rb', line 516

def relative_to(sibling)
  if sibling.start_with?("/")
    # if it starts with "/" then don't make it relative to the
    # including resource
    Hocon::Impl::Parseable.new_resources(sibling.slice(1), options.set_origin_description(nil))
  else
    # here we want to build a new resource name and let
    # the class loader have it, rather than getting the
    # url with getResource() and relativizing to that url.
    # This is needed in case the class loader is going to
    # search a classpath.
    parent = self.class.parent(@resource)
    if parent.nil?
      Hocon::Impl::Parseable.new_resources(sibling, options.set_origin_description(nil))
    else
      Hocon::Impl::Parseable.new_resources("#{parent}/sibling", options.set_origin_description(nil))
    end
  end
end

#to_s ⇒ Object 



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# File 'lib/hocon/impl/parseable.rb', line 540

def to_s
  "#{self.class.name.split('::').last}(#{@resource})"
end