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# File 'lib/ripper-tags.rb', line 61
def self.option_parser(options)
flags_string_to_set = lambda do |string, set|
flags = string.split("")
operation = :add
if flags[0] == "+" || flags[0] == "-"
operation = :delete if flags.shift == "-"
else
set.clear
end
flags.each { |f| set.send(operation, f) }
end
ForgivingOptionParser.new do |opts|
opts.banner = "Usage: #{opts.program_name} [options] FILES..."
opts.version = version
opts.separator ""
opts.on("-f", "--tag-file (FILE|-)", "File to write tags to (default: `./tags')",
'"-" outputs to standard output') do |fname|
options.tag_file_name = fname
end
opts.on("--tag-relative[=OPTIONAL]", "Make file paths relative to the directory of the tag file") do |value|
options.tag_relative = value != "no"
end
opts.on("-L", "--input-file=FILE", "File to read paths to process trom (use `-` for stdin)") do |file|
options.input_file = file
end
opts.on("-R", "--recursive", "Descend recursively into subdirectories") do
options.recursive = true
end
opts.on("--exclude PATTERN", "Exclude a file, directory or pattern") do |pattern|
if pattern.empty?
options.exclude.clear
else
options.exclude << pattern
end
end
opts.on("--excmd=number", "Use EX number command to locate tags.") do |excmd|
options.excmd = excmd
end
opts.on("-n", "Equivalent to --excmd=number.") do
options.excmd = "number"
end
opts.on("--fields=+n", "Include line number information in the tag") do |flags|
flags_string_to_set.call(flags, options.fields)
end
opts.on("--all-files", "Parse all files in recursive mode (default: parse `*.rb' files)") do
options.all_files = true
end
opts.separator " "
opts.on("--format (emacs|json|custom)", "Set output format (default: vim)") do |fmt|
options.format = fmt
end
opts.on("-e", "--emacs", "Output Emacs format (default if `--tag-file' is `TAGS')") do
options.format = "emacs"
end
opts.on("--extra=FLAGS", "Specify extra flags for the formatter") do |flags|
flags_string_to_set.call(flags, options.)
end
opts.separator ""
opts.on_tail("-d", "--debug", "Output parse tree") do
options.debug = true
end
opts.on_tail("--debug-verbose", "Output parse tree verbosely") do
options.verbose_debug = true
end
opts.on_tail("-V", "--verbose", "Print additional information on stderr") do
options.verbose = true
end
opts.on_tail("--force", "Skip files with parsing errors") do
options.force = true
end
opts.on_tail("--list-kinds=LANG", "Print tag kinds that this parser supports and exit") do |lang|
if lang.downcase == "ruby"
puts((<<-OUT).gsub(/^ +/, ''))
c classes
f methods
m modules
F singleton methods
C constants
a aliases
OUT
exit
else
$stderr.puts "Error: language %p is not supported" % lang
exit 1
end
end
opts.on_tail("--ignore-unsupported-options", "Don't fail when unsupported options given, just skip them") do
opts.ignore_unsupported_options = true
end
opts.on_tail("-v", "--version", "Print version information") do
puts opts.ver
exit
end
yield(opts, options) if block_given?
end
end
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