/usr/lib/ruby/vendor_ruby/erubis/engine/ec.rb is in ruby-erubis 2.7.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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## $Release: 2.7.0 $
## copyright(c) 2006-2011 kuwata-lab.com all rights reserved.
##
require 'erubis/engine'
require 'erubis/enhancer'
module Erubis
module CGenerator
include Generator
def self.supported_properties() # :nodoc:
return [
[:indent, '', "indent spaces (ex. ' ')"],
[:out, 'stdout', "output file pointer name"],
]
end
def init_generator(properties={})
super
@escapefunc ||= "escape"
@indent = properties[:indent] || ''
@out = properties[:out] || 'stdout'
end
def add_preamble(src)
src << "#line 1 \"#{self.filename}\"\n" if self.filename
end
def escape_text(text)
@@table_ ||= { "\r"=>"\\r", "\n"=>"\\n", "\t"=>"\\t", '"'=>'\\"', "\\"=>"\\\\" }
text.gsub!(/[\r\n\t"\\]/) { |m| @@table_[m] }
return text
end
def escaped_expr(code)
return "#{@escapefunc}(#{code.strip}, #{@out})"
end
def add_text(src, text)
return if text.empty?
src << (src.empty? || src[-1] == ?\n ? @indent : ' ')
src << "fputs("
i = 0
text.each_line do |line|
src << "\n" << @indent << ' ' if i > 0
i += 1
src << '"' << escape_text(line) << '"'
end
src << ", #{@out});" #<< (text[-1] == ?\n ? "\n" : "")
src << "\n" if text[-1] == ?\n
end
def add_stmt(src, code)
src << code
end
def add_expr_literal(src, code)
src << @indent if src.empty? || src[-1] == ?\n
src << " fprintf(#{@out}, " << code.strip << ');'
end
def add_expr_escaped(src, code)
src << @indent if src.empty? || src[-1] == ?\n
src << ' ' << escaped_expr(code) << ';'
end
def add_expr_debug(src, code)
code.strip!
s = nil
if code =~ /\A\".*?\"\s*,\s*(.*)/
s = $1.gsub(/[%"]/, '\\\1') + '='
end
src << @indent if src.empty? || src[-1] == ?\n
src << " fprintf(stderr, \"*** debug: #{s}\" #{code});"
end
def add_postamble(src)
# empty
end
end
##
## engine for C
##
class Ec < Basic::Engine
include CGenerator
end
class EscapedEc < Ec
include EscapeEnhancer
end
#class XmlEc < Ec
# include EscapeEnhancer
#end
class PI::Ec < PI::Engine
include CGenerator
def init_converter(properties={})
@pi = 'c'
super(properties)
end
end
end
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