113 lines
3.0 KiB
Ruby
113 lines
3.0 KiB
Ruby
# --
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# Copyright (C) 2008-2009 10gen Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ++
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require 'rexml/document'
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require 'mongo'
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# @deprecated
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# Converts a .xson file (an XML file that describes a Mongo-type document) to
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# an OrderedHash.
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class XMLToRuby
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include Mongo
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def xml_to_ruby(io)
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warn "XMLToRuby is deprecated. The .xson format is not longer in use."
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doc = REXML::Document.new(io)
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doc_to_ruby(doc.root.elements['doc'])
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end
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protected
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def element_to_ruby(e)
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warn "XMLToRuby is deprecated. The .xson format is not longer in use."
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type = e.name
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child = e.elements[1]
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case type
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when 'oid'
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ObjectID.from_string(e.text)
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when 'ref'
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dbref_to_ruby(e.elements)
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when 'int'
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e.text.to_i
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when 'number'
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e.text.to_f
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when 'string'
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e.text.to_s
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when 'code'
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Code.new(e.text.to_s)
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when 'binary'
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bin = Binary.new
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decoded = Base64.decode64(e.text.to_s)
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decoded.each_byte { |b| bin.put(b) }
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bin
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when 'symbol'
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e.text.to_s.intern
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when 'boolean'
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e.text.to_s == 'true'
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when 'array'
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array_to_ruby(e.elements)
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when 'date'
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Time.at(e.text.to_f / 1000.0)
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when 'regex'
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regex_to_ruby(e.elements)
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when 'null'
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nil
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when 'doc'
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doc_to_ruby(e)
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else
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raise "Unknown type #{type} in element with name #{e.attributes['name']}"
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end
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end
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def doc_to_ruby(element)
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warn "XMLToRuby is deprecated. The .xson format is not longer in use."
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oh = OrderedHash.new
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element.elements.each { |e| oh[e.attributes['name']] = element_to_ruby(e) }
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oh
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end
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def array_to_ruby(elements)
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warn "XMLToRuby is deprecated. The .xson format is not longer in use."
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a = []
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elements.each { |e|
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index_str = e.attributes['name']
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a[index_str.to_i] = element_to_ruby(e)
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}
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a
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end
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def regex_to_ruby(elements)
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warn "XMLToRuby is deprecated. The .xson format is not longer in use."
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pattern = elements['pattern'].text
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options_str = elements['options'].text || ''
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options = 0
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options |= Regexp::IGNORECASE if options_str.include?('i')
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options |= Regexp::MULTILINE if options_str.include?('m')
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options |= Regexp::EXTENDED if options_str.include?('x')
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Regexp.new(pattern, options)
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end
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def dbref_to_ruby(elements)
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warn "XMLToRuby is deprecated. The .xson format is not longer in use."
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ns = elements['ns'].text
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oid_str = elements['oid'].text
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DBRef.new(ns, ObjectID.from_string(oid_str))
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end
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end
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