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reline
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files >> //proc/thread-self/root/proc/self/root/opt/alt/ruby31/share/ruby/reline/terminfo.rb
begin require 'fiddle' require 'fiddle/import' rescue LoadError module Reline::Terminfo def self.curses_dl false end end end module Reline::Terminfo extend Fiddle::Importer class TerminfoError < StandardError; end def self.curses_dl_files case RUBY_PLATFORM when /mingw/, /mswin/ # aren't supported [] when /cygwin/ %w[cygncursesw-10.dll cygncurses-10.dll] when /darwin/ %w[libncursesw.dylib libcursesw.dylib libncurses.dylib libcurses.dylib] else %w[libncursesw.so libcursesw.so libncurses.so libcurses.so] end end @curses_dl = false def self.curses_dl return @curses_dl unless @curses_dl == false if RUBY_VERSION >= '3.0.0' # Gem module isn't defined in test-all of the Ruby repository, and # Fiddle in Ruby 3.0.0 or later supports Fiddle::TYPE_VARIADIC. fiddle_supports_variadic = true elsif Fiddle.const_defined?(:VERSION) and Gem::Version.create(Fiddle::VERSION) >= Gem::Version.create('1.0.1') # Fiddle::TYPE_VARIADIC is supported from Fiddle 1.0.1. fiddle_supports_variadic = true else fiddle_supports_variadic = false end if fiddle_supports_variadic and not Fiddle.const_defined?(:TYPE_VARIADIC) # If the libffi version is not 3.0.5 or higher, there isn't TYPE_VARIADIC. fiddle_supports_variadic = false end if fiddle_supports_variadic curses_dl_files.each do |curses_name| result = Fiddle::Handle.new(curses_name) rescue Fiddle::DLError next else @curses_dl = result break end end @curses_dl = nil if @curses_dl == false @curses_dl end end if not Reline.const_defined?(:Terminfo) or not Reline::Terminfo.respond_to?(:curses_dl) module Reline::Terminfo dlload curses_dl #extern 'int setupterm(char *term, int fildes, int *errret)' @setupterm = Fiddle::Function.new(curses_dl['setupterm'], [Fiddle::TYPE_VOIDP, Fiddle::TYPE_INT, Fiddle::TYPE_VOIDP], Fiddle::TYPE_INT) #extern 'char *tigetstr(char *capname)' @tigetstr = Fiddle::Function.new(curses_dl['tigetstr'], [Fiddle::TYPE_VOIDP], Fiddle::TYPE_VOIDP) begin #extern 'char *tiparm(const char *str, ...)' @tiparm = Fiddle::Function.new(curses_dl['tiparm'], [Fiddle::TYPE_VOIDP, Fiddle::TYPE_VARIADIC], Fiddle::TYPE_VOIDP) rescue Fiddle::DLError # OpenBSD lacks tiparm #extern 'char *tparm(const char *str, ...)' @tiparm = Fiddle::Function.new(curses_dl['tparm'], [Fiddle::TYPE_VOIDP, Fiddle::TYPE_VARIADIC], Fiddle::TYPE_VOIDP) end begin #extern 'int tigetflag(char *str)' @tigetflag = Fiddle::Function.new(curses_dl['tigetflag'], [Fiddle::TYPE_VOIDP], Fiddle::TYPE_INT) rescue Fiddle::DLError # OpenBSD lacks tigetflag #extern 'int tgetflag(char *str)' @tigetflag = Fiddle::Function.new(curses_dl['tgetflag'], [Fiddle::TYPE_VOIDP], Fiddle::TYPE_INT) end begin #extern 'int tigetnum(char *str)' @tigetnum = Fiddle::Function.new(curses_dl['tigetnum'], [Fiddle::TYPE_VOIDP], Fiddle::TYPE_INT) rescue Fiddle::DLError # OpenBSD lacks tigetnum #extern 'int tgetnum(char *str)' @tigetnum = Fiddle::Function.new(curses_dl['tgetnum'], [Fiddle::TYPE_VOIDP], Fiddle::TYPE_INT) end def self.setupterm(term, fildes) errret_int = String.new("\x00" * 8, encoding: 'ASCII-8BIT') ret = @setupterm.(term, fildes, errret_int) errret = errret_int.unpack1('i') case ret when 0 # OK 0 when -1 # ERR case errret when 1 raise TerminfoError.new('The terminal is hardcopy, cannot be used for curses applications.') when 0 raise TerminfoError.new('The terminal could not be found, or that it is a generic type, having too little information for curses applications to run.') when -1 raise TerminfoError.new('The terminfo database could not be found.') else # unknown -1 end else # unknown -2 end end class StringWithTiparm < String def tiparm(*args) # for method chain Reline::Terminfo.tiparm(self, *args) end end def self.tigetstr(capname) capability = @tigetstr.(capname) case capability.to_i when 0, -1 raise TerminfoError, "can't find capability: #{capname}" end StringWithTiparm.new(capability.to_s) end def self.tiparm(str, *args) new_args = [] args.each do |a| new_args << Fiddle::TYPE_INT << a end @tiparm.(str, *new_args).to_s end def self.tigetflag(capname) flag = @tigetflag.(capname).to_i case flag when -1 raise TerminfoError, "not boolean capability: #{capname}" when 0 raise TerminfoError, "can't find capability: #{capname}" end flag end def self.tigetnum(capname) num = @tigetnum.(capname).to_i case num when -2 raise TerminfoError, "not numeric capability: #{capname}" when -1 raise TerminfoError, "can't find capability: #{capname}" end num end def self.enabled? true end end if Reline::Terminfo.curses_dl module Reline::Terminfo def self.enabled? false end end unless Reline::Terminfo.curses_dl
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