Class: Shift::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/shift-lang.rb

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/shift-lang.rb', line 9

def initialize(args)
	if(!args[0])
		puts "Enter the project name : "
		project_name = gets.chomp

		if(!File.exists?(project_name))
			Dir.mkdir(project_name)
			Dir.chdir(project_name)

			puts "Creating " + project_name + ".shift"
			puts "Creating views directory"
			Dir.mkdir("views")
			file = File.new(project_name + ".shift", "w")
			file.puts ""
			file.close
		else
			puts "A file already exists with the same name"
		end
	else
		case args[0]
		when "generate"
			case args[1]
			when "python"
				generate_python
			when "ruby"
				generate_ruby
			when "javascript"
				generate_javascript
			else
				puts "Unknown target platform. Options are ruby, python and javascript"
			end
		else
			puts "Unknown option"
		end
	end				
end

Instance Method Details

#generate_javascript ⇒ Object 



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# File 'lib/shift-lang.rb', line 184

def generate_javascript()
	files = get_files

	generated_code = Shift::Generator::generateJavaScript(files)

	if generated_code == ""
		return
	end

	project_name = get_project_name

	view_sources = File.absolute_path(File.join(Dir.pwd, "views"))
	
	if(!File.exists?("release"))
		Dir.mkdir("release")
	end
	Dir.chdir("release")

	if(File.exists?("javascript"))
		FileUtils.remove_dir("javascript", true)
	end

	Dir.mkdir("javascript")
	Dir.chdir("javascript")			

	puts "Creating target folder 'release/" + project_name + "'"
	Dir.mkdir(project_name)
	Dir.chdir(project_name)	

	puts "Writing application file"
	File.open("app.js", "w") do |file|
		file.puts generated_code
	end
	
	puts "Copying templates"
	FileUtils.cp_r(view_sources, Dir.pwd)
	
	puts "Done."	
end

#generate_python ⇒ Object 



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# File 'lib/shift-lang.rb', line 77

def generate_python()
	files = get_files

	generated_code = Shift::Generator::generatePython(files)

	if generated_code == ""
		return
	end

	project_name = get_project_name

	view_sources = File.absolute_path(File.join(Dir.pwd, "views"))

	gae_sources = File.absolute_path(File.join(File.dirname(__FILE__), "app_engine_templates"))
	pystache = File.join(gae_sources, "pystache")
	config = File.join(gae_sources, "app.yaml")

	config_contents = File.open(config, "r") { |io| io.read }

	config_template = ERB.new(config_contents)

	if(!File.exists?("release"))
		Dir.mkdir("release")
	end
	Dir.chdir("release")

	if(File.exists?("python"))
		FileUtils.remove_dir("python", true)
	end

	Dir.mkdir("python")
	Dir.chdir("python")

	puts "Creating target folder 'release/" + project_name + "'"
	Dir.mkdir(project_name)
	Dir.chdir(project_name)	

	puts "Writing application file"
	File.open(project_name + ".py", "w") do |file|
		file.puts generated_code
	end
	
	puts "Copying templates"
	FileUtils.cp_r(pystache, Dir.pwd)
	FileUtils.cp_r(view_sources, Dir.pwd)

	template_files = get_files_from_directory(File.join(Dir.pwd, "views"), ".html", false)
	template_files.each do | template_file |
		text = File.read(template_file)
		File.open(template_file, "w") { | file | file.puts text.gsub("{{id}}", "{{#key}}{{id}}{{/key}}") }
	end

	puts "Writing Google App Engine configuration file"
	File.open("app.yaml", "w") do |file|
		file.puts config_template.result(binding)
	end
	
	puts "Done."
end

#generate_ruby ⇒ Object 



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# File 'lib/shift-lang.rb', line 137

def generate_ruby()
	files = get_files

	generated_code = Shift::Generator::generateRuby(files)

	if generated_code == ""
		return
	end
	
	project_name = get_project_name

	view_sources = File.absolute_path(File.join(Dir.pwd, "views"))
	template_sources = File.absolute_path(File.join(File.dirname(__FILE__), "heroku_templates"))
	gemfile = File.join(template_sources, "Gemfile")
	procfile = File.join(template_sources, "Procfile")
	
	if(!File.exists?("release"))
		Dir.mkdir("release")
	end
	Dir.chdir("release")

	if(File.exists?("ruby"))
		FileUtils.remove_dir("ruby", true)
	end

	Dir.mkdir("ruby")
	Dir.chdir("ruby")			

	puts "Creating target folder 'release/" + project_name + "'"
	Dir.mkdir(project_name)
	Dir.chdir(project_name)	

	puts "Writing application file"
	File.open("app.rb", "w") do |file|
		file.puts generated_code
	end
	
	puts "Copying templates"
	FileUtils.cp_r(view_sources, Dir.pwd)

	puts "Generating Heroku configuration files"
	FileUtils.cp(gemfile, Dir.pwd)
	FileUtils.cp(procfile, Dir.pwd)
	
	puts "Done."
end

#get_files ⇒ Object 



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# File 'lib/shift-lang.rb', line 68

def get_files()
	get_files_from_directory Dir.pwd
end

#get_files_from_directory(directory, extension = ".shift", log = true) ⇒ Object 



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# File 'lib/shift-lang.rb', line 46

def get_files_from_directory(directory, extension = ".shift", log = true)
	files = []
	Dir.foreach(directory) do | file | 
		if(File.directory?(file) == false)
			file = File.join(directory, file)
			if(File.extname(file) == extension)
				if log
					puts "Found file : " + File.absolute_path(file)
				end
				files.push File.absolute_path(file)
			end
		else
			if ((file.to_s != '.') && (file.to_s != '..'))
				file = File.join(directory, file)
				files.concat get_files_from_directory(file)
			end
		end
	end

	files
end

#get_project_name ⇒ Object 



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# File 'lib/shift-lang.rb', line 72

def get_project_name()
	project_name = Dir.pwd.split("/")
	project_name[project_name.length - 1]
end