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proc
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self
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root
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opt
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alt
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ruby32
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share
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ruby
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syntax_suggest
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Filename :
cli.rb
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# frozen_string_literal: true require "pathname" require "optparse" module SyntaxSuggest # All the logic of the exe/syntax_suggest CLI in one handy spot # # Cli.new(argv: ["--help"]).call # Cli.new(argv: ["<path/to/file>.rb"]).call # Cli.new(argv: ["<path/to/file>.rb", "--record=tmp"]).call # Cli.new(argv: ["<path/to/file>.rb", "--terminal"]).call # class Cli attr_accessor :options # ARGV is Everything passed to the executable, does not include executable name # # All other intputs are dependency injection for testing def initialize(argv:, exit_obj: Kernel, io: $stdout, env: ENV) @options = {} @parser = nil options[:record_dir] = env["SYNTAX_SUGGEST_RECORD_DIR"] options[:record_dir] = "tmp" if env["DEBUG"] options[:terminal] = SyntaxSuggest::DEFAULT_VALUE @io = io @argv = argv @exit_obj = exit_obj end def call if @argv.empty? # Display help if raw command parser.parse! %w[--help] return else # Mutates @argv parse return if options[:exit] end file_name = @argv.first if file_name.nil? @io.puts "No file given" @exit_obj.exit(1) return end file = Pathname(file_name) if !file.exist? @io.puts "file not found: #{file.expand_path} " @exit_obj.exit(1) return end @io.puts "Record dir: #{options[:record_dir]}" if options[:record_dir] display = SyntaxSuggest.call( io: @io, source: file.read, filename: file.expand_path, terminal: options.fetch(:terminal, SyntaxSuggest::DEFAULT_VALUE), record_dir: options[:record_dir] ) if display.document_ok? @io.puts "Syntax OK" @exit_obj.exit(0) else @exit_obj.exit(1) end end def parse parser.parse!(@argv) self end def parser @parser ||= OptionParser.new do |opts| opts.banner = <<~EOM Usage: syntax_suggest <file> [options] Parses a ruby source file and searches for syntax error(s) such as unexpected `end', expecting end-of-input. Example: $ syntax_suggest dog.rb # ... > 10 defdog > 15 end ENV options: SYNTAX_SUGGEST_RECORD_DIR=<dir> Records the steps used to search for a syntax error to the given directory Options: EOM opts.version = SyntaxSuggest::VERSION opts.on("--help", "Help - displays this message") do |v| @io.puts opts options[:exit] = true @exit_obj.exit end opts.on("--record <dir>", "Records the steps used to search for a syntax error to the given directory") do |v| options[:record_dir] = v end opts.on("--terminal", "Enable terminal highlighting") do |v| options[:terminal] = true end opts.on("--no-terminal", "Disable terminal highlighting") do |v| options[:terminal] = false end end end end end