\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// class HTMLEntities InstructionError = Class.new(RuntimeError) class Encoder #:nodoc: INSTRUCTIONS = [:basic, :named, :decimal, :hexadecimal] def initialize(flavor, instructions) @flavor = flavor instructions = [:basic] if instructions.empty? validate_instructions instructions build_basic_entity_encoder instructions build_extended_entity_encoder instructions end def encode(source) minimize_encoding( replace_extended( replace_basic( prepare(source)))) end private def prepare(string) string.to_s.encode(Encoding::UTF_8) end def minimize_encoding(string) if string.encoding != Encoding::ASCII && contains_only_ascii?(string) string.encode(Encoding::ASCII) else string end end def contains_only_ascii?(string) string.match(/\A[\x01-\x7F]*\z/) end def basic_entity_regexp @basic_entity_regexp ||= @flavor.match(/^html/) ? /[<>"&]/ : /[<>'"&]/ end def extended_entity_regexp @extended_entity_regexp ||= ( pattern = '[^\u{20}-\u{7E}]' pattern << "|'" if @flavor == 'html4' Regexp.new(pattern) ) end def replace_basic(string) string.gsub(basic_entity_regexp){ |match| encode_basic(match) } end def replace_extended(string) string.gsub(extended_entity_regexp){ |match| encode_extended(match) } end def validate_instructions(instructions)