AlkantarClanX12
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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