1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
require 'active_support/core_ext/module/delegation'
require 'active_support/core_ext/string/inflections'
module ActiveSupport
# = XmlMini
#
# To use the much faster libxml parser:
# gem 'libxml-ruby', '=0.9.7'
# XmlMini.backend = 'LibXML'
module XmlMini
extend self
# This module decorates files deserialized using Hash.from_xml with
# the <tt>original_filename</tt> and <tt>content_type</tt> methods.
module FileLike #:nodoc:
attr_writer :original_filename, :content_type
def original_filename
@original_filename || 'untitled'
end
def content_type
@content_type || 'application/octet-stream'
end
end
DEFAULT_ENCODINGS = {
"binary" => "base64"
} unless defined?(DEFAULT_ENCODINGS)
TYPE_NAMES = {
"Symbol" => "symbol",
"Fixnum" => "integer",
"Bignum" => "integer",
"BigDecimal" => "decimal",
"Float" => "float",
"TrueClass" => "boolean",
"FalseClass" => "boolean",
"Date" => "date",
"DateTime" => "datetime",
"Time" => "datetime",
"Array" => "array",
"Hash" => "hash"
} unless defined?(TYPE_NAMES)
FORMATTING = {
"symbol" => Proc.new { |symbol| symbol.to_s },
"date" => Proc.new { |date| date.to_s(:db) },
"datetime" => Proc.new { |time| time.xmlschema },
"binary" => Proc.new { |binary| ActiveSupport::Base64.encode64(binary) },
"yaml" => Proc.new { |yaml| yaml.to_yaml }
} unless defined?(FORMATTING)
# TODO: use Time.xmlschema instead of Time.parse;
# use regexp instead of Date.parse
unless defined?(PARSING)
PARSING = {
"symbol" => Proc.new { |symbol| symbol.to_sym },
"date" => Proc.new { |date| ::Date.parse(date) },
"datetime" => Proc.new { |time| ::Time.parse(time).utc rescue ::DateTime.parse(time).utc },
"integer" => Proc.new { |integer| integer.to_i },
"float" => Proc.new { |float| float.to_f },
"decimal" => Proc.new { |number| BigDecimal(number) },
"boolean" => Proc.new { |boolean| %w(1 true).include?(boolean.strip) },
"string" => Proc.new { |string| string.to_s },
"yaml" => Proc.new { |yaml| YAML::load(yaml) rescue yaml },
"base64Binary" => Proc.new { |bin| ActiveSupport::Base64.decode64(bin) },
"binary" => Proc.new { |bin, entity| _parse_binary(bin, entity) },
"file" => Proc.new { |file, entity| _parse_file(file, entity) }
}
PARSING.update(
"double" => PARSING["float"],
"dateTime" => PARSING["datetime"]
)
end
attr_reader :backend
delegate :parse, :to => :backend
def backend=(name)
if name.is_a?(Module)
@backend = name
else
require "active_support/xml_mini/#{name.to_s.downcase}"
@backend = ActiveSupport.const_get("XmlMini_#{name}")
end
end
def with_backend(name)
old_backend, self.backend = backend, name
yield
ensure
self.backend = old_backend
end
def to_tag(key, value, options)
type_name = options.delete(:type)
merged_options = options.merge(:root => key, :skip_instruct => true)
if value.is_a?(::Method) || value.is_a?(::Proc)
if value.arity == 1
value.call(merged_options)
else
value.call(merged_options, key.to_s.singularize)
end
elsif value.respond_to?(:to_xml)
value.to_xml(merged_options)
else
type_name ||= TYPE_NAMES[value.class.name]
type_name ||= value.class.name if value && !value.respond_to?(:to_str)
type_name = type_name.to_s if type_name
key = rename_key(key.to_s, options)
attributes = options[:skip_types] || type_name.nil? ? { } : { :type => type_name }
attributes[:nil] = true if value.nil?
encoding = options[:encoding] || DEFAULT_ENCODINGS[type_name]
attributes[:encoding] = encoding if encoding
formatted_value = FORMATTING[type_name] && !value.nil? ?
FORMATTING[type_name].call(value) : value
options[:builder].tag!(key, formatted_value, attributes)
end
end
def rename_key(key, options = {})
camelize = options[:camelize]
dasherize = !options.has_key?(:dasherize) || options[:dasherize]
if camelize
key = true == camelize ? key.camelize : key.camelize(camelize)
end
key = _dasherize(key) if dasherize
key
end
protected
def _dasherize(key)
# $2 must be a non-greedy regex for this to work
left, middle, right = /\A(_*)(.*?)(_*)\Z/.match(key.strip)[1,3]
"#{left}#{middle.tr('_ ', '--')}#{right}"
end
# TODO: Add support for other encodings
def _parse_binary(bin, entity) #:nodoc:
case entity['encoding']
when 'base64'
ActiveSupport::Base64.decode64(bin)
else
bin
end
end
def _parse_file(file, entity)
f = StringIO.new(ActiveSupport::Base64.decode64(file))
f.extend(FileLike)
f.original_filename = entity['name']
f.content_type = entity['content_type']
f
end
end
XmlMini.backend = 'REXML'
end
|
