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Contents
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License 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.
module Qpid::Proton::Types
# @private
def self.is_valid_utf?(value)
# In Ruby 1.9+ we have encoding methods that can check the content of
# the string, so use them to see if what we have is unicode. If so,
# good! If not, then just treat is as binary.
#
# No such thing in Ruby 1.8. So there we need to use Iconv to try and
# convert it to unicode. If it works, good! But if it raises an
# exception then we'll treat it as binary.
if RUBY_VERSION < "1.9"
return true if value.isutf8
return false
else
return true if (value.encoding == "UTF-8" ||
value.encode("UTF-8").valid_encoding?)
return false
end
end
# UTFString lets an application explicitly state that a
# string of characters is to be UTF-8 encoded.
#
class UTFString < ::String
def initialize(value)
if !Qpid::Proton::Types.is_valid_utf?(value)
raise RuntimeError.new("invalid UTF string")
end
super(value)
end
end
# BinaryString lets an application explicitly declare that
# a string value represents arbitrary data.
#
class BinaryString < ::String; end
end
Version data entries
17 entries across 17 versions & 1 rubygems