Class: Dependency::Graph

Inherits:
Object
  • Object
show all
Defined in:
lib/dependencyswapper/graph.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Graph

Returns a new instance of Graph.



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# File 'lib/dependencyswapper/graph.rb', line 15

def initialize(options)
	@podfilelock_path = options.fetch(:podfilelock_path)
	@pods = Array.new()
	if !File.exist?(@podfilelock_path)
		puts "The Podfile.lock is missing. We will run pod install so we can generate the dependency graph to swap dependencies."
		system("pod install")
	end
end

Instance Attribute Details

#podfilelock_path ⇒ Object (readonly)

Returns the value of attribute podfilelock_path.



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# File 'lib/dependencyswapper/graph.rb', line 9

def podfilelock_path
  @podfilelock_path
end

Class Method Details

.perform(options) ⇒ Object 



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# File 'lib/dependencyswapper/graph.rb', line 11

def self.perform(options)
	new(options).perform
end

Instance Method Details

#generate ⇒ Object 



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# File 'lib/dependencyswapper/graph.rb', line 24

def generate
	pod = nil

	#Read line by line the Podfile.lock
	IO.readlines(@podfilelock_path).each do |line|
		#If we are generating the depdency map of a pod, and we have a pod,
		# and the line includes a depdendency(we know cause there is a parenthesis determining a version in it),
		# then we add the dependency name to the pod.dependencies
		 if pod && (line.include?("=") || line.include?("~"))
		 	dependency = line.string_between_markers("- ", " (")
			pod.dependencies.push(dependency)
		 end

		 #At this point we found a Pod, lets build it and add its dependencies to it. We know we found a pod since
		 #the podfile.lock will show only the version.
			 unless line.include?("=") || line.include?("~")
			 	# We are going to generate a new pod but we are carrying one already, we will push it to the pods array first before we clear the variable with a new pod.
			 	if pod != nil
			 		@pods.push(pod)
			 	end
			 	name = line.string_between_markers("- ", " (")
			 	version = line.string_between_markers("(", ")")
			 	pod = Dependency::Pod.new({
			 			:name => name,
			 			:version => version
			 	})
			 end

			 unless line.include?("(") || line.include?(":")
			 	return @pods
			 end
	end
	return @pods
end