30 lines
527 B
Ruby
30 lines
527 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 )
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value.gsub( /\\/, "\\\\\\" ).gsub( /"/, "\\\"" ).gsub( /([\x00-\x1f])/ ) { |x| ESCAPES[ x.unpack("C")[0] ] }
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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}))/ ) { |x|
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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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