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# File 'lib/seeing_is_believing/binary/config.rb', line 49
def parse_args(args)
args = args.dup
as = nil
filenames = []
unknown_flags = []
= lambda do |flagname, &on_success|
string = args.shift
int = string.to_i
if int.to_s == string && 0 < int
on_success.call int
else
add_error "#{flagname} expects a positive integer argument"
end
string
end
= lambda do |flagname, &on_success|
begin
string = args.shift
float = Float string
raise if float < 0
on_success.call float
string
rescue
add_error "#{flagname} expects a positive float or integer argument"
end
end
saw_deprecated = lambda do |explanation, *args|
self.deprecations << DeprecatedArgMessage.new(explanation: explanation, args: args)
end
next_arg = lambda do |flagname, argtype, &on_success|
arg = args.shift
arg ? on_success.call(arg) :
add_error("#{flagname} needs an argument (#{argtype})")
arg
end
until args.empty?
case (arg = args.shift)
when '-c', '--clean'
self.print_cleaned = true
when '-v', '--version'
self.print_version = true
when '--ignore-unknown-flags'
self.ignore_unknown_flags = true
when '-x', '--xmpfilter-style'
self.annotator = AnnotateMarkedLines
self.lib_options.rewrite_code = AnnotateMarkedLines.code_rewriter(markers)
self.remove_value_prefixes = false
self.lib_options.require_files << 'pp'
when '-i', '--inherit-exitstatus', '--inherit-exit-status'
self.inherit_exitstatus = true
arg.include?("exit-status") &&
saw_deprecated.call("Dash has been removed for consistency, use --inherit-exitstatus", arg)
when '-j', '--json'
self.result_as_json = true
when '--stream'
self.print_event_stream = true
when '-h', '--help'
self.print_help = true
self.help_screen = Binary.help_screen(markers)
when '-h+', '--help+'
self.print_help = true
self.help_screen = Binary.help_screen_extended(markers)
when '-g', '--debug'
self.debug = true
when '--debug-to'
next_arg.call arg, "a filename" do |filename|
self.debug = filename
end
when '-d', '--line-length'
.call arg do |n|
self.annotator_options.max_line_length = n
end
when '-D', '--result-length'
.call arg do |n|
self.annotator_options.max_result_length = n
end
when '-n', '--max-line-captures', '--number-of-captures'
= .call arg do |n|
self.lib_options.max_line_captures = n
end
seen = [arg]
seen << if
'--number-of-captures' == arg && saw_deprecated.call("use --max-line-captures instead", *seen)
when '-t', '--timeout-seconds', '--timeout'
= .call arg do |n|
self.timeout_seconds = n
self.lib_options.timeout_seconds = n
end
'--timeout' == arg && saw_deprecated.call("use --timeout-seconds instead", arg, )
when '-r', '--require'
next_arg.call arg, "a filename" do |filename|
self.lib_options.require_files << filename
end
when '-I', '--load-path'
next_arg.call arg, "a directory" do |dir|
self.lib_options.load_path_dirs << dir
end
when '-e', '--program'
next_arg.call arg, "the program body" do |program|
self.body = program
end
when '-a', '--as'
next_arg.call arg, "a filename" do |filename|
as = filename
end
when '-s', '--alignment-strategy'
strategies = {'file' => AlignFile, 'chunk' => AlignChunk, 'line' => AlignLine}
strategy_names = strategies.keys.inspect
next_arg.call arg, "one of these alignment strategies: #{strategy_names}" do |name|
if strategies[name]
self.annotator_options.alignment_strategy = strategies[name]
else
add_error("#{arg} got the alignment strategy #{name.inspect}, expected one of: #{strategy_names}")
end
end
when '--shebang'
executable = args.shift
if executable
saw_deprecated.call "SiB now uses the Ruby it was invoked with", arg, executable
else
add_error("#{arg} expected an arg: path to a ruby executable")
saw_deprecated.call "SiB now uses the Ruby it was invoked with", arg
end
when /\A-K(.+)/
self.lib_options.encoding = $1
when '-K', '--encoding'
next_arg.call arg, "an encoding" do |encoding|
self.lib_options.encoding = encoding
end
when /^(-.|--.*)$/
unknown_flags << arg
when /^-[^-]/
args.unshift *arg.scan(/[^-]\+?/).map { |flag| "-#{flag}" }
else
filenames << arg
end
end
unknown_flags.each do |flag|
break if ignore_unknown_flags?
add_error "#{flag} is not a flag, see the help screen (-h) for a list of options"
end
filenames.size > 1 &&
add_error("can only have one filename but found #{filenames.map(&:inspect).join ', '}")
result_as_json? && annotator == AnnotateMarkedLines &&
add_error("SiB does not currently support output with both json and xmpfilter... maybe v4 :)")
print_event_stream? && (result_as_json? || annotator == AnnotateMarkedLines) &&
add_error("can only have one output format, --stream is not compatible with --json, -x, and --xmpfilter-style")
self.filename = filenames.first
self.lib_options.filename = as || filename
self.lib_options.debugger = debugger
self.annotator_options.markers = markers
self
end
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