diff options
Diffstat (limited to 'ruby_1_8_5/lib/yaml/encoding.rb')
-rw-r--r-- | ruby_1_8_5/lib/yaml/encoding.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ruby_1_8_5/lib/yaml/encoding.rb b/ruby_1_8_5/lib/yaml/encoding.rb new file mode 100644 index 0000000000..37f5cfda64 --- /dev/null +++ b/ruby_1_8_5/lib/yaml/encoding.rb @@ -0,0 +1,33 @@ +# +# Handle Unicode-to-Internal conversion +# + +module YAML + + # + # Escape the string, condensing common escapes + # + def YAML.escape( value, skip = "" ) + value.gsub( /\\/, "\\\\\\" ). + gsub( /"/, "\\\"" ). + gsub( /([\x00-\x1f])/ ) do |x| + skip[x] || ESCAPES[ x.unpack("C")[0] ] + end + 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 |