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Edit File : cli.rb \| Size : 3.12 KB
# 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 Back

Edit File : cli.rb | Size : 3.12 KB

# 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

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