Module: ActiveSupport::XmlMini

Extended by:
XmlMini
Included in:
XmlMini
Defined in:
activesupport/lib/active_support/xml_mini.rb

Overview

XmlMini

To use the much faster libxml parser:

gem 'libxml-ruby', '=0.9.7'
XmlMini.backend = 'LibXML'

Defined Under Namespace

Modules: FileLike

Constant Summary collapse

DEFAULT_ENCODINGS = 
{
  "binary" => "base64"
}
TYPE_NAMES = 
{
  "Symbol"     => "symbol",
  "Integer"    => "integer",
  "BigDecimal" => "decimal",
  "Float"      => "float",
  "TrueClass"  => "boolean",
  "FalseClass" => "boolean",
  "Date"       => "date",
  "DateTime"   => "dateTime",
  "Time"       => "dateTime",
  "Array"      => "array",
  "Hash"       => "hash"
}
FORMATTING = 
{
  "symbol"   => Proc.new { |symbol| symbol.to_s },
  "date"     => Proc.new { |date| date.to_fs(:db) },
  "dateTime" => Proc.new { |time| time.xmlschema },
  "binary"   => Proc.new { |binary| ::Base64.encode64(binary) },
  "yaml"     => Proc.new { |yaml| yaml.to_yaml }
}
PARSING = 
{
  "symbol"       => Proc.new { |symbol|  symbol.to_s.to_sym },
  "date"         => Proc.new { |date|    ::Date.parse(date) },
  "datetime"     => Proc.new { |time|    Time.xmlschema(time).utc rescue ::DateTime.parse(time).utc },
  "integer"      => Proc.new { |integer| integer.to_i },
  "float"        => Proc.new { |float|   float.to_f },
  "decimal"      => Proc.new do |number|
    if String === number
      number.to_d
    else
      BigDecimal(number)
    end
  end,
  "boolean"      => Proc.new { |boolean| %w(1 true).include?(boolean.to_s.strip) },
  "string"       => Proc.new { |string|  string.to_s },
  "yaml"         => Proc.new { |yaml|    YAML.load(yaml) rescue yaml },
  "base64Binary" => Proc.new { |bin|     ::Base64.decode64(bin) },
  "binary"       => Proc.new { |bin, entity| _parse_binary(bin, entity) },
  "file"         => Proc.new { |file, entity| _parse_file(file, entity) }
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#depth ⇒ Object

Returns the value of attribute depth



92
93
94
 
# File 'activesupport/lib/active_support/xml_mini.rb', line 92

def depth
  @depth
end

Instance Method Details

#backend ⇒ Object 



97
98
99
 
# File 'activesupport/lib/active_support/xml_mini.rb', line 97

def backend
  current_thread_backend || @backend
end

#backend=(name) ⇒ Object 



101
102
103
104
105
 
# File 'activesupport/lib/active_support/xml_mini.rb', line 101

def backend=(name)
  backend = name && cast_backend_name_to_module(name)
  self.current_thread_backend = backend if current_thread_backend
  @backend = backend
end

#rename_key(key, options = {}) ⇒ Object 



148
149
150
151
152
153
154
155
156
 
# File 'activesupport/lib/active_support/xml_mini.rb', line 148

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

#to_tag(key, value, options) ⇒ Object 



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
 
# File 'activesupport/lib/active_support/xml_mini.rb', line 115

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
    type_name   = "dateTime" if type_name == "datetime"

    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

#with_backend(name) ⇒ Object 



107
108
109
110
111
112
113
 
# File 'activesupport/lib/active_support/xml_mini.rb', line 107

def with_backend(name)
  old_backend = current_thread_backend
  self.current_thread_backend = name && cast_backend_name_to_module(name)
  yield
ensure
  self.current_thread_backend = old_backend
end