X-Git-Url: https://git.njae.me.uk/?a=blobdiff_plain;f=vendor%2Frails%2Factivesupport%2Flib%2Factive_support%2Fcore_ext%2Fhash%2Fconversions.rb;fp=vendor%2Frails%2Factivesupport%2Flib%2Factive_support%2Fcore_ext%2Fhash%2Fconversions.rb;h=50dc7c61fc555c04ae129862073bdd26dcd97b2a;hb=d115f2e23823271635bad69229a42cd8ac68debe;hp=0000000000000000000000000000000000000000;hpb=37cb670bf3ddde90b214e591f100ed4446469484;p=depot.git diff --git a/vendor/rails/activesupport/lib/active_support/core_ext/hash/conversions.rb b/vendor/rails/activesupport/lib/active_support/core_ext/hash/conversions.rb new file mode 100644 index 0000000..50dc7c6 --- /dev/null +++ b/vendor/rails/activesupport/lib/active_support/core_ext/hash/conversions.rb @@ -0,0 +1,259 @@ +require 'date' +require 'cgi' +require 'builder' +require 'xmlsimple' + +# Locked down XmlSimple#xml_in_string +class XmlSimple + # Same as xml_in but doesn't try to smartly shoot itself in the foot. + def xml_in_string(string, options = nil) + handle_options('in', options) + + @doc = parse(string) + result = collapse(@doc.root) + + if @options['keeproot'] + merge({}, @doc.root.name, result) + else + result + end + end + + def self.xml_in_string(string, options = nil) + new.xml_in_string(string, options) + end +end + +# This module exists to decorate files deserialized using Hash.from_xml with +# the original_filename and content_type 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 + +module ActiveSupport #:nodoc: + module CoreExtensions #:nodoc: + module Hash #:nodoc: + module Conversions + + XML_TYPE_NAMES = { + "Symbol" => "symbol", + "Fixnum" => "integer", + "Bignum" => "integer", + "BigDecimal" => "decimal", + "Float" => "float", + "Date" => "date", + "DateTime" => "datetime", + "Time" => "datetime", + "TrueClass" => "boolean", + "FalseClass" => "boolean" + } unless defined?(XML_TYPE_NAMES) + + XML_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?(XML_FORMATTING) + + # TODO: use Time.xmlschema instead of Time.parse; + # use regexp instead of Date.parse + unless defined?(XML_PARSING) + XML_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) }, + "file" => Proc.new do |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 + } + + XML_PARSING.update( + "double" => XML_PARSING["float"], + "dateTime" => XML_PARSING["datetime"] + ) + end + + def self.included(klass) + klass.extend(ClassMethods) + end + + # Converts a hash into a string suitable for use as a URL query string. An optional namespace can be + # passed to enclose the param names (see example below). + # + # ==== Example: + # { :name => 'David', :nationality => 'Danish' }.to_query # => "name=David&nationality=Danish" + # + # { :name => 'David', :nationality => 'Danish' }.to_query('user') # => "user%5Bname%5D=David&user%5Bnationality%5D=Danish" + def to_query(namespace = nil) + collect do |key, value| + value.to_query(namespace ? "#{namespace}[#{key}]" : key) + end.sort * '&' + end + + alias_method :to_param, :to_query + + def to_xml(options = {}) + options[:indent] ||= 2 + options.reverse_merge!({ :builder => Builder::XmlMarkup.new(:indent => options[:indent]), + :root => "hash" }) + options[:builder].instruct! unless options.delete(:skip_instruct) + dasherize = !options.has_key?(:dasherize) || options[:dasherize] + root = dasherize ? options[:root].to_s.dasherize : options[:root].to_s + + options[:builder].__send__(:method_missing, root) do + each do |key, value| + case value + when ::Hash + value.to_xml(options.merge({ :root => key, :skip_instruct => true })) + when ::Array + value.to_xml(options.merge({ :root => key, :children => key.to_s.singularize, :skip_instruct => true})) + when ::Method, ::Proc + # If the Method or Proc takes two arguments, then + # pass the suggested child element name. This is + # used if the Method or Proc will be operating over + # multiple records and needs to create an containing + # element that will contain the objects being + # serialized. + if 1 == value.arity + value.call(options.merge({ :root => key, :skip_instruct => true })) + else + value.call(options.merge({ :root => key, :skip_instruct => true }), key.to_s.singularize) + end + else + if value.respond_to?(:to_xml) + value.to_xml(options.merge({ :root => key, :skip_instruct => true })) + else + type_name = XML_TYPE_NAMES[value.class.name] + + key = dasherize ? key.to_s.dasherize : key.to_s + + attributes = options[:skip_types] || value.nil? || type_name.nil? ? { } : { :type => type_name } + if value.nil? + attributes[:nil] = true + end + + options[:builder].tag!(key, + XML_FORMATTING[type_name] ? XML_FORMATTING[type_name].call(value) : value, + attributes + ) + end + end + end + + yield options[:builder] if block_given? + end + + end + + module ClassMethods + def from_xml(xml) + # TODO: Refactor this into something much cleaner that doesn't rely on XmlSimple + typecast_xml_value(undasherize_keys(XmlSimple.xml_in_string(xml, + 'forcearray' => false, + 'forcecontent' => true, + 'keeproot' => true, + 'contentkey' => '__content__') + )) + end + + private + def typecast_xml_value(value) + case value.class.to_s + when 'Hash' + if value['type'] == 'array' + child_key, entries = value.detect { |k,v| k != 'type' } # child_key is throwaway + if entries.nil? || (c = value['__content__'] && c.blank?) + [] + else + case entries.class.to_s # something weird with classes not matching here. maybe singleton methods breaking is_a? + when "Array" + entries.collect { |v| typecast_xml_value(v) } + when "Hash" + [typecast_xml_value(entries)] + else + raise "can't typecast #{entries.inspect}" + end + end + elsif value.has_key?("__content__") + content = value["__content__"] + if parser = XML_PARSING[value["type"]] + if parser.arity == 2 + XML_PARSING[value["type"]].call(content, value) + else + XML_PARSING[value["type"]].call(content) + end + else + content + end + elsif value['type'] == 'string' && value['nil'] != 'true' + "" + # blank or nil parsed values are represented by nil + elsif value.blank? || value['nil'] == 'true' + nil + # If the type is the only element which makes it then + # this still makes the value nil, except if type is + # a XML node(where type['value'] is a Hash) + elsif value['type'] && value.size == 1 && !value['type'].is_a?(::Hash) + nil + else + xml_value = value.inject({}) do |h,(k,v)| + h[k] = typecast_xml_value(v) + h + end + + # Turn { :files => { :file => # } into { :files => # } so it is compatible with + # how multipart uploaded files from HTML appear + xml_value["file"].is_a?(StringIO) ? xml_value["file"] : xml_value + end + when 'Array' + value.map! { |i| typecast_xml_value(i) } + case value.length + when 0 then nil + when 1 then value.first + else value + end + when 'String' + value + else + raise "can't typecast #{value.class.name} - #{value.inspect}" + end + end + + def undasherize_keys(params) + case params.class.to_s + when "Hash" + params.inject({}) do |h,(k,v)| + h[k.to_s.tr("-", "_")] = undasherize_keys(v) + h + end + when "Array" + params.map { |v| undasherize_keys(v) } + else + params + end + end + end + end + end + end +end