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#
# Handle Unicode-to-Internal conversion
#
module Syck
#
# Escape the string, condensing common escapes
#
def self.escape( value, skip = "" )
warn "#{caller[0]}: YAML.escape is deprecated" if $VERBOSE
value.gsub( /\\/, "\\\\\\" ).
gsub( /"/, "\\\"" ).
gsub( /([\x00-\x1f])/ ) do
skip[$&] || ESCAPES[ $&.unpack("C")[0] ]
end
end
#
# Unescape the condenses escapes
#
def self.unescape( value )
warn "#{caller[0]}: YAML.unescape is deprecated" if $VERBOSE
value.gsub( /\\(?:([nevfbart\\])|0?x([0-9a-fA-F]{2})|u([0-9a-fA-F]{4}))/ ) {
if $3
["#$3".hex ].pack('U*')
elsif $2
[$2].pack( "H2" )
else
UNESCAPES[$1]
end
}
end
end