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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@27366 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
33 lines
603 B
Ruby
33 lines
603 B
Ruby
#
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# Handle Unicode-to-Internal conversion
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#
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module YAML
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#
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# Escape the string, condensing common escapes
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#
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def YAML.escape( value, skip = "" )
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value.gsub( /\\/, "\\\\\\" ).
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gsub( /"/, "\\\"" ).
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gsub( /([\x00-\x1f])/ ) do
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skip[$&] || ESCAPES[ $&.unpack("C")[0] ]
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end
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end
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#
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# Unescape the condenses escapes
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#
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def YAML.unescape( value )
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value.gsub( /\\(?:([nevfbart\\])|0?x([0-9a-fA-F]{2})|u([0-9a-fA-F]{4}))/ ) {
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if $3
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["#$3".hex ].pack('U*')
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elsif $2
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[$2].pack( "H2" )
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else
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UNESCAPES[$1]
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end
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}
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end
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end
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