Class: Pico::Context::ConstResolver
- Inherits:
-
Object
- Object
- Pico::Context::ConstResolver
- Defined in:
- lib/pico/context/const_resolver.rb
Instance Attribute Summary collapse
-
#autoload_paths ⇒ Object
Returns the value of attribute autoload_paths.
-
#context ⇒ Object
readonly
Returns the value of attribute context.
-
#current_path ⇒ Object
readonly
Returns the value of attribute current_path.
-
#expanded_const ⇒ Object
readonly
Returns the value of attribute expanded_const.
Instance Method Summary collapse
- #check_loaded(rb_file) ⇒ Object
- #const_get ⇒ Object
- #each_autoload_path ⇒ Object
- #each_possible_rb_file ⇒ Object
- #each_rb_file_from_base_path(base_path) ⇒ Object
- #expected_const_defined_in_rb_file(rb_file, autoload_path: current_path) ⇒ Object
-
#initialize(context:, expanded_const:, autoload_paths: ['']) ⇒ ConstResolver
constructor
A new instance of ConstResolver.
- #resolve ⇒ Object
- #walk_const_parts(const = expanded_const) ⇒ Object
Constructor Details
#initialize(context:, expanded_const:, autoload_paths: ['']) ⇒ ConstResolver
Returns a new instance of ConstResolver.
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# File 'lib/pico/context/const_resolver.rb', line 8 def initialize(context:, expanded_const:, autoload_paths: ['']) @autoload_paths = autoload_paths @context = context @expanded_const = end |
Instance Attribute Details
#autoload_paths ⇒ Object
Returns the value of attribute autoload_paths.
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# File 'lib/pico/context/const_resolver.rb', line 6 def autoload_paths @autoload_paths end |
#context ⇒ Object (readonly)
Returns the value of attribute context.
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# File 'lib/pico/context/const_resolver.rb', line 6 def context @context end |
#current_path ⇒ Object (readonly)
Returns the value of attribute current_path.
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# File 'lib/pico/context/const_resolver.rb', line 6 def current_path @current_path end |
#expanded_const ⇒ Object (readonly)
Returns the value of attribute expanded_const.
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# File 'lib/pico/context/const_resolver.rb', line 6 def @expanded_const end |
Instance Method Details
#check_loaded(rb_file) ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 64 def check_loaded(rb_file) expected_const = expected_const_defined_in_rb_file rb_file walk_const_parts(expected_const).reduce context.mod do |mod, const_part| mod.const_defined?(const_part) or raise AutoloadError.new(const: expected_const, rb_file: rb_file) mod.const_get const_part end end |
#const_get ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 19 def const_get walk_const_parts.reduce context.mod do |mod, const_part| return nil unless mod.const_defined?(const_part) mod.const_get const_part end end |
#each_autoload_path ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 26 def each_autoload_path autoload_paths.each do |autoload_path| @current_path = context.root.join autoload_path yield end @current_path = nil end |
#each_possible_rb_file ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 34 def each_possible_rb_file each_autoload_path do base_path = current_path.join .to_snake_case each_rb_file_from_base_path base_path do |rb_file| yield rb_file if File.exist?(rb_file) end end end |
#each_rb_file_from_base_path(base_path) ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 43 def each_rb_file_from_base_path(base_path) base_path.ascend do |path| return if path == context.root rb_file = path.sub_ext '.rb' yield rb_file if rb_file.file? end end |
#expected_const_defined_in_rb_file(rb_file, autoload_path: current_path) ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 73 def expected_const_defined_in_rb_file(rb_file, autoload_path: current_path) rel_path = rb_file.sub_ext('').relative_path_from(autoload_path).to_s matcher = %r{\A(#{rel_path.to_camel_case})}i .match(matcher).captures.fetch 0 end |
#resolve ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 51 def resolve each_possible_rb_file do |rb_file| context.load_file rb_file check_loaded rb_file end const_get end |
#walk_const_parts(const = expanded_const) ⇒ Object
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# File 'lib/pico/context/const_resolver.rb', line 59 def walk_const_parts(const = ) return to_enum(:walk_const_parts, const) if block_given? const.split '::' end |