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author | wycats <wycats@gmail.com> | 2010-04-30 11:17:58 -0700 |
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committer | wycats <wycats@gmail.com> | 2010-04-30 11:17:58 -0700 |
commit | 0fe8827bf384cb99ab757236555c7af18793d515 (patch) | |
tree | a7ac2143c78964cad8ee87d9ff8a1c52abf61249 /activesupport/lib/active_support/xml_mini.rb | |
parent | 91963e9e33eb5a28297323f1346aeb8b643e9d65 (diff) | |
parent | 6b559474fb7fae0160860fc62752da347af032b2 (diff) | |
download | rails-0fe8827bf384cb99ab757236555c7af18793d515.tar.gz rails-0fe8827bf384cb99ab757236555c7af18793d515.tar.bz2 rails-0fe8827bf384cb99ab757236555c7af18793d515.zip |
Merge branch 'master' of github.com:rails/rails
Diffstat (limited to 'activesupport/lib/active_support/xml_mini.rb')
-rw-r--r-- | activesupport/lib/active_support/xml_mini.rb | 127 |
1 files changed, 126 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/xml_mini.rb b/activesupport/lib/active_support/xml_mini.rb index f22fbcc0e1..7594d7b68b 100644 --- a/activesupport/lib/active_support/xml_mini.rb +++ b/activesupport/lib/active_support/xml_mini.rb @@ -9,6 +9,71 @@ module ActiveSupport module XmlMini extend self + # This module exists to decorate 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?(TYPE_NAMES) + + 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 @@ -16,7 +81,7 @@ module ActiveSupport if name.is_a?(Module) @backend = name else - require "active_support/xml_mini/#{name.to_s.downcase}.rb" + require "active_support/xml_mini/#{name.to_s.downcase}" @backend = ActiveSupport.const_get("XmlMini_#{name}") end end @@ -27,6 +92,66 @@ module ActiveSupport 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.has_key?(:camelize) && options[:camelize] + dasherize = !options.has_key?(:dasherize) || options[:dasherize] + key = key.camelize if camelize + key = key.dasherize if dasherize + key + end + + protected + + # 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' |