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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
require 'cgi'
module AWS
module Core
# Provides helper methods for URI escaping values and paths.
module UriEscape
# @param [String] value
# @return [String] Returns a URI escaped string.
def escape value
value = value.encode("UTF-8") if value.respond_to?(:encode)
CGI::escape(value.to_s).gsub('+', '%20').gsub('%7E', '~')
end
module_function :escape
# @param [String] value
# @return [String] Returns a URI-escaped path without escaping the
# separators.
def escape_path value
escaped = ""
value.scan(%r{(/*)([^/]*)(/*)}) do |(leading, part, trailing)|
escaped << leading + escape(part) + trailing
end
escaped
end
module_function :escape_path
end
end
end
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