Class: Codnar::Reader

Inherits:
Object
  • Object
show all
Defined in:
lib/codnar/reader.rb

Overview

Read chunks from disk files.

Direct Known Subclasses

Weaver

Instance Method Summary collapse

Constructor Details

#initialize(errors, paths) ⇒ Reader

Load all chunks from the specified disk files to memory for later access by name.



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# File 'lib/codnar/reader.rb', line 8

def initialize(errors, paths)
  @errors = errors
  @chunks = {}
  @used = {}
  paths.each do |path|
    read_path_chunks(path)
  end
end

Instance Method Details

#[](name) ⇒ Object

Fetch a chunk by its name.



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# File 'lib/codnar/reader.rb', line 18

def [](name)
  id = name.to_id
  @used[id] = true
  return @chunks[id] ||= (
    @errors << "Missing chunk: #{name}"
    Reader.fake_chunk(name)
  )
end

#collect_unused_chunk_errors ⇒ Object

Collect errors for unused chunks.



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# File 'lib/codnar/reader.rb', line 28

def collect_unused_chunk_errors
  @chunks.each do |id, chunk|
    @errors.push("#{$0}: Unused chunk: #{chunk.name} #{Reader.locations_message(chunk)}") unless @used[id]
  end
end