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