diff options
author | Hiroshi SHIBATA <hsbt@ruby-lang.org> | 2020-08-21 20:18:44 +0900 |
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committer | Hiroshi SHIBATA <hsbt@ruby-lang.org> | 2020-08-21 20:18:44 +0900 |
commit | 8c97883b738ad9749848d9a10fce87df0f9b1bf3 (patch) | |
tree | b1b5520b68afb73d219f1abd382283b738eb5861 /bin | |
parent | bc374e5cea0fe0eb77da0ee78930c22d7afbd34a (diff) |
Promote erb to default gems
Diffstat (limited to 'bin')
-rwxr-xr-x | bin/erb | 193 |
1 files changed, 22 insertions, 171 deletions
@@ -1,176 +1,27 @@ #!/usr/bin/env ruby -# Tiny eRuby --- ERB2 -# Copyright (c) 1999-2000,2002 Masatoshi SEKI -# You can redistribute it and/or modify it under the same terms as Ruby. - -require 'erb' - -class ERB - module Main - def ARGV.switch - return nil if self.empty? - arg = self.shift - return nil if arg == '--' - case arg - when /\A-(.)(.*)/ - if $1 == '-' - arg, @maybe_arg = arg.split(/=/, 2) - return arg - end - raise 'unknown switch "-"' if $2[0] == ?- and $1 != 'T' - if $2.size > 0 - self.unshift "-#{$2}" - @maybe_arg = $2 - else - @maybe_arg = nil - end - "-#{$1}" - when /\A(\w+)=/ - arg - else - self.unshift arg - nil - end - end - - def ARGV.req_arg - (@maybe_arg || self.shift || raise('missing argument')).tap { - @maybe_arg = nil - } - end - - def trim_mode_opt(trim_mode, disable_percent) - return trim_mode if disable_percent - case trim_mode - when 0 - return '%' - when 1 - return '%>' - when 2 - return '%<>' - when '-' - return '%-' - end - end - module_function :trim_mode_opt - - def run(factory=ERB) - trim_mode = 0 - disable_percent = false - variables = {} - begin - while switch = ARGV.switch - case switch - when '-x' # ruby source - output = true - when '-n' # line number - number = true - when '-v' # verbose - $VERBOSE = true - when '--version' # version - STDERR.puts factory.version - exit - when '-d', '--debug' # debug - $DEBUG = true - when '-r' # require - require ARGV.req_arg - when '-S' # security level - warn 'warning: -S option of erb command is deprecated. Please do not use this.' - arg = ARGV.req_arg - raise "invalid safe_level #{arg.dump}" unless arg =~ /\A[0-1]\z/ - safe_level = arg.to_i - when '-T' # trim mode - arg = ARGV.req_arg - if arg == '-' - trim_mode = arg - next - end - raise "invalid trim mode #{arg.dump}" unless arg =~ /\A[0-2]\z/ - trim_mode = arg.to_i - when '-E', '--encoding' - arg = ARGV.req_arg - set_encoding(*arg.split(/:/, 2)) - when '-U' - set_encoding(Encoding::UTF_8, Encoding::UTF_8) - when '-P' - disable_percent = true - when '--help' - raise "print this help" - when /\A-/ - raise "unknown switch #{switch.dump}" - else - var, val = *switch.split('=', 2) - (variables ||= {})[var] = val - end - end - rescue # usage - STDERR.puts $!.to_s - STDERR.puts File.basename($0) + - " [switches] [var=value...] [inputfile]" - STDERR.puts <<EOU - -x print ruby script - -n print ruby script with line number - -v enable verbose mode - -d set $DEBUG to true - -r library load a library - -E ex[:in] set default external/internal encodings - -U set default encoding to UTF-8 - -T trim_mode specify trim_mode (0..2, -) - -P disable ruby code evaluation for lines beginning with % - var=value set variable -EOU - exit 1 - end - - $<.set_encoding(Encoding::UTF_8, nil) - src = $<.read - filename = $FILENAME - exit 2 unless src - trim = trim_mode_opt(trim_mode, disable_percent) - if safe_level.nil? - erb = factory.new(src, trim_mode: trim) - else - # [deprecated] This will be removed at Ruby 2.7. - erb = factory.new(src, safe_level, trim_mode: trim) - end - erb.filename = filename - if output - if number - erb.src.each_line.with_index do |line, l| - puts "%3d %s"%[l+1, line] - end - else - puts erb.src - end - else - bind = TOPLEVEL_BINDING - if variables - enc = erb.encoding - for var, val in variables do - val = val.encode(enc) if val - bind.local_variable_set(var, val) - end - end - erb.run(bind) - end - end - module_function :run - - def set_encoding(extern, intern = nil) - verbose, $VERBOSE = $VERBOSE, nil - Encoding.default_external = extern unless extern.nil? || extern == "" - Encoding.default_internal = intern unless intern.nil? || intern == "" - [$stdin, $stdout, $stderr].each do |io| - io.set_encoding(extern, intern) - end - ensure - $VERBOSE = verbose - end - module_function :set_encoding - class << self; private :set_encoding; end +# +# This file was generated by RubyGems. +# +# The application 'erb' is installed as part of a gem, and +# this file is here to facilitate running it. +# + +require 'rubygems' + +version = ">= 0.a" + +str = ARGV.first +if str + str = str.b[/\A_(.*)_\z/, 1] + if str and Gem::Version.correct?(str) + version = str + ARGV.shift end end -if __FILE__ == $0 - ERB::Main.run +if Gem.respond_to?(:activate_bin_path) +load Gem.activate_bin_path('erb', 'erb', version) +else +gem "erb", version +load Gem.bin_path("erb", "erb", version) end |