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-rw-r--r--ruby_1_8_6/lib/yaml/encoding.rb33
1 files changed, 33 insertions, 0 deletions
diff --git a/ruby_1_8_6/lib/yaml/encoding.rb b/ruby_1_8_6/lib/yaml/encoding.rb
new file mode 100644
index 0000000000..37f5cfda64
--- /dev/null
+++ b/ruby_1_8_6/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