Class: Teapot::Target

Inherits:
Definition show all
Includes:
Dependency
Defined in:
lib/teapot/target.rb

Instance Attribute Summary collapse

Attributes inherited from Definition

#context, #description, #name, #package

Instance Method Summary collapse

Methods included from Dependency

chain, #dependencies, #depends, #depends?, #priority, #priority=, #provides, #provides?, #provisions

Methods inherited from Definition

#path, #pretty_print, #to_s

Constructor Details

#initialize(context, package, name) ⇒ Target

Returns a new instance of Target.



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# File 'lib/teapot/target.rb', line 35

def initialize(context, package, name)
	super context, package, name
	
	@build = nil
	
	@rulebook = Build::Rulebook.new
end

Instance Attribute Details

#rulebook ⇒ Object (readonly)

Returns the value of attribute rulebook.



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# File 'lib/teapot/target.rb', line 43

def rulebook
  @rulebook
end

Instance Method Details

#build(&block) ⇒ Object 



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# File 'lib/teapot/target.rb', line 85

def build(&block)
	if block_given?
		@build = block
	end
	
	return @build
end

#environment(configuration) ⇒ Object Also known as: environment_for_configuration

Given a specific configuration, generate the build environment based on this target and it’s provision chain.



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# File 'lib/teapot/target.rb', line 61

def environment(configuration)
	chain = provision_chain(configuration)
	
	environments = []
	
	# Calculate the dependency chain's ordered environments:
	environments += chain.provisions.collect do |provision|
		Build::Environment.new(&provision.value)
	end
	
	# Per-configuration package package environment:
	environments << @package.options[:environment]
	
	# Merge all the environments together:
	environment = Build::Environment.combine(*environments)
	
	environment.merge do
		default platforms_path configuration.platforms_path
	end
end

#freeze ⇒ Object 



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# File 'lib/teapot/target.rb', line 45

def freeze
	@build.freeze
	@rulebook.freeze
	
	super
end

#provision_chain(configuration) ⇒ Object

Given a configuration, compute the dependency chain for this target.



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# File 'lib/teapot/target.rb', line 53

def provision_chain(configuration)
	# Reduce the number of keystrokes for good health:
	context = configuration.context
	
	chain = Dependency::chain(context.selection, self.dependencies, context.targets.values)
end