class Poppler::Loader

Private Instance Methods

convert_action_classes() click to toggle source
# File lib/poppler/loader.rb, line 98
def convert_action_classes
  unknown_class = Class.new(Action)
  @base_module.const_set("ActionUnknown", unknown_class)

  action_map = {
    ActionType::UNKNOWN     => unknown_class,
    ActionType::GOTO_DEST   => ActionGotoDest,
    ActionType::GOTO_REMOTE => ActionGotoRemote,
    ActionType::LAUNCH      => ActionLaunch,
    ActionType::URI         => ActionUri,
    ActionType::NAMED       => ActionNamed,
    ActionType::MOVIE       => ActionMovie,
    ActionType::RENDITION   => ActionRendition,
    ActionType::OCG_STATE   => ActionOCGState,
    ActionType::JAVASCRIPT  => ActionJavascript,
  }
  self.class.register_boxed_class_converter(Action.gtype) do |action|
    action_map[action.type] || Action
  end
end
convert_field_classes() click to toggle source
# File lib/poppler/loader.rb, line 129
def convert_field_classes
  define_field_class("SignatureField")

  field_map = {
    FormFieldType::BUTTON    => ButtonField,
    FormFieldType::TEXT      => TextField,
    FormFieldType::CHOICE    => ChoiceField,
    FormFieldType::SIGNATURE => SignatureField,
  }
  self.class.register_object_class_converter(FormField.gtype) do |field|
    field_map[field.field_type] || FormField
  end
end
define_field_class(name) click to toggle source
# File lib/poppler/loader.rb, line 119
def define_field_class(name)
  klass = @form_field_classes[name]
  return klass if klass

  field_class = @base_module.const_get("FormField")
  klass = @form_field_classes[name] = Class.new(field_class)
  @base_module.const_set(name, klass)
  klass
end
define_struct(info, options={}) click to toggle source
Calls superclass method
# File lib/poppler/loader.rb, line 90
def define_struct(info, options={})
  case info.name
  when /\AAction.+/
    options[:parent] = Action
  end
  super(info, options)
end
load_enum_info(info) click to toggle source
Calls superclass method
# File lib/poppler/loader.rb, line 45
def load_enum_info(info)
  case info.name
  when "AnnotType"
    self.class.register_constant_rename_map("3D", "TYPE_3D")
  when "AnnotExternalDataType"
    self.class.register_constant_rename_map("3D", "TYPE_3D")
  when "StructureGlyphOrientation"
    self.class.register_constant_rename_map("0", "DEGREE_0")
    self.class.register_constant_rename_map("90", "DEGREE_90")
    self.class.register_constant_rename_map("180", "DEGREE_180")
    self.class.register_constant_rename_map("270", "DEGREE_270")
  when "PDFPart"
    1.upto(8) do |i|
      self.class.register_constant_rename_map("#{i}", "PART_#{i}")
    end
  end
  super
end
load_method_info(info, klass, method_name) click to toggle source
Calls superclass method
# File lib/poppler/loader.rb, line 64
def load_method_info(info, klass, method_name)
  case klass.name
  when "Poppler::Annot"
    case method_name
    when "annot_type"
      method_name = "type"
    end
  when "Poppler::FormField"
    case method_name
    when /\Abutton_/
      klass = define_field_class("ButtonField")
      method_name = rubyish_method_name(info, prefix: "button_")
      method_name = "type" if method_name == "button_type"
    when /\Atext_/
      klass = define_field_class("TextField")
      method_name = rubyish_method_name(info, prefix: "text_")
      method_name = "type" if method_name == "text_type"
    when /\Achoice_/
      klass = define_field_class("ChoiceField")
      method_name = rubyish_method_name(info, prefix: "choice_")
      method_name = "type" if method_name == "choice_type"
    end
  end
  super(info, klass, method_name)
end
post_load(repository, namespace) click to toggle source
# File lib/poppler/loader.rb, line 24
def post_load(repository, namespace)
  require_libraries
  convert_action_classes
  convert_field_classes
end
pre_load(repository, namespace) click to toggle source
# File lib/poppler/loader.rb, line 20
def pre_load(repository, namespace)
  @form_field_classes = {}
end
require_libraries() click to toggle source
# File lib/poppler/loader.rb, line 30
def require_libraries
  require "poppler/version"

  require "poppler/annot-callout-line"
  require "poppler/cairo"
  require "poppler/color"
  require "poppler/document"
  require "poppler/image-mapping"
  require "poppler/index-iter"
  require "poppler/page"
  require "poppler/rectangle"

  require "poppler/deprecated"
end