Class: Vedeu::Configuration Private

Inherits:
Object
  • Object
show all
Extended by:
Common
Includes:
Singleton, Common
Defined in:
lib/vedeu/configuration/configuration.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Allows the customisation of Vedeu’s behaviour through the configuration API.

Provides access to Vedeu’s configuration, which was set with sensible defaults (influenced by environment variables), overridden by client application settings (via the configuration API).

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Common

absent?, array?, boolean, boolean?, empty_value?, escape?, falsy?, hash?, line_model?, numeric?, positionable?, present?, snake_case, stream_model?, string?, symbol?, truthy?, view_model?

Constructor Details

#initialize ⇒ Vedeu::Configuration

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Create a new singleton instance of Vedeu::Configuration.



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# File 'lib/vedeu/configuration/configuration.rb', line 386

def initialize
  @options = defaults
end

Instance Attribute Details

#options ⇒ Hash<Symbol => void> (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Hash<Symbol => void>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 381

def options
  @options
end

Class Method Details

.background ⇒ String|Symbol

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (String|Symbol) 


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# File 'lib/vedeu/configuration/configuration.rb', line 69

def background
  instance.options[:background]
end

.base_path ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the base_path value.

Returns:

  • (String) 


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# File 'lib/vedeu/configuration/configuration.rb', line 76

def base_path
  instance.options[:base_path]
end

.colour ⇒ Hash

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Hash) 


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# File 'lib/vedeu/configuration/configuration.rb', line 107

def colour
  {
    background: background,
    foreground: foreground,
  }
end

.colour_mode ⇒ Fixnum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the chosen colour mode.

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/configuration/configuration.rb', line 117

def colour_mode
  instance.options[:colour_mode]
end

.compression ⇒ Boolean Also known as: compression?

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the compression value.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 83

def compression
  instance.options[:compression]
end

.configuration ⇒ Vedeu::Configuration Also known as: config

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 101

def configuration
  self
end

.configure(opts = {}, &block) ⇒ Hash<Symbol => void>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Parameters:

  • opts (Hash<Symbol => void>) (defaults to: {})
  • block (Proc)

Options Hash (opts):

  • stdin (File|IO)
  • stdout (File|IO)
  • stderr (File|IO)

Returns:

  • (Hash<Symbol => void>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 95

def configure(opts = {}, &block)
  instance.configure(opts, &block)
end

.debug? ⇒ Boolean Also known as: debug

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns whether debugging is enabled or disabled. Default is false; meaning only the top line of a backtrace from an exception is shown to the user of the client application.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 126

def debug?
  instance.options[:debug]
end

.drb? ⇒ Boolean Also known as: drb

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns whether the DRb server is enabled or disabled. Default is false.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 135

def drb?
  instance.options[:drb]
end

.drb_height ⇒ Fixnum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the height for the fake terminal in the DRb server.

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/configuration/configuration.rb', line 157

def drb_height
  instance.options[:drb_height]
end

.drb_host ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the hostname for the DRb server.

Returns:

  • (String) 


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# File 'lib/vedeu/configuration/configuration.rb', line 143

def drb_host
  instance.options[:drb_host]
end

.drb_port ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the port for the DRb server.

Returns:

  • (String) 


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# File 'lib/vedeu/configuration/configuration.rb', line 150

def drb_port
  instance.options[:drb_port]
end

.drb_width ⇒ Fixnum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the width for the fake terminal in the DRb server.

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/configuration/configuration.rb', line 164

def drb_width
  instance.options[:drb_width]
end

.foreground ⇒ String|Symbol

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (String|Symbol) 


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# File 'lib/vedeu/configuration/configuration.rb', line 170

def foreground
  instance.options[:foreground]
end

.height ⇒ Fixnum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the client defined height for the terminal.

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/configuration/configuration.rb', line 179

def height
  if drb?
    drb_height

  elsif height?
    instance.options[:height]

  else
    Vedeu::Terminal.size[0]

  end
end

.height? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 193

def height?
  numeric?(instance.options[:height])
end

.interactive? ⇒ Boolean Also known as: interactive

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns whether the application is interactive (required user input) or standalone (will run until terminates of natural causes.) Default is true; meaning the application will require user input.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 203

def interactive?
  instance.options[:interactive]
end

.log ⇒ String

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the path to the log file.

Returns:

  • (String) 


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# File 'lib/vedeu/configuration/configuration.rb', line 211

def log
  instance.options[:log]
end

.log? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a boolean indicating whether the log has been configured; if Vedeu#log contains a path, then this will be true.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 219

def log?
  return false if log == false || log.nil?

  true
end

.log_except ⇒ Array<Symbol>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Array<Symbol>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 226

def log_except
  instance.options[:log_except]
end

.log_only ⇒ Array<Symbol>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (Array<Symbol>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 231

def log_only
  instance.options[:log_only]
end

.loggable?(type) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns true if the given type was included in the :log_only configuration option or not included in the :log_except option.

Parameters:

  • type (Symbol)

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 241

def loggable?(type)
  return false unless log?
  return false unless Vedeu::LOG_TYPES_KEYS.include?(type)
  return true  if log_only.empty? && log_except.empty?

  if log_except.any?
    Vedeu::LOG_TYPES_KEYS - log_except

  elsif log_only.any?
    log_only

  else
    Vedeu::LOG_TYPES_KEYS

  end.include?(type)
end

.mouse? ⇒ Boolean Also known as: mouse

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns whether mouse support was enabled or disabled.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 261

def mouse?
  instance.options[:mouse]
end

.once? ⇒ Boolean Also known as: once

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns whether the application will run through its main loop once or not. Default is false; meaning the application will loop forever or until terminated by the user.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 271

def once?
  instance.options[:once]
end

.options=(value) ⇒ void

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

This method returns an undefined value.

Parameters:

  • value (void) 


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# File 'lib/vedeu/configuration/configuration.rb', line 364

def options=(value)
  instance.options = value
end

.profile? ⇒ Boolean Also known as: profile

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a boolean indicating whether profiling has been enabled.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 280

def profile?
  instance.options[:profile]
end

.renderers ⇒ Array<Class>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the renderers which should receive output.

Returns:

  • (Array<Class>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 288

def renderers
  instance.options[:renderers]
end

.reset! ⇒ Hash<Symbol => void>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Reset the configuration to the default values.

Returns:

  • (Hash<Symbol => void>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 371

def reset!
  instance.reset!
end

.root ⇒ Class

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the root of the client application. Vedeu will execute this controller first.

Returns:

  • (Class) 


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# File 'lib/vedeu/configuration/configuration.rb', line 296

def root
  instance.options[:root]
end

.stderr ⇒ File|IO

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the redefined setting for STDERR.

Returns:

  • (File|IO) 


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# File 'lib/vedeu/configuration/configuration.rb', line 317

def stderr
  instance.options[:stderr]
end

.stdin ⇒ File|IO

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the redefined setting for STDIN.

Returns:

  • (File|IO) 


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# File 'lib/vedeu/configuration/configuration.rb', line 303

def stdin
  instance.options[:stdin]
end

.stdout ⇒ File|IO

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the redefined setting for STDOUT.

Returns:

  • (File|IO) 


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# File 'lib/vedeu/configuration/configuration.rb', line 310

def stdout
  instance.options[:stdout]
end

.terminal_mode ⇒ Symbol

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the terminal mode for the application. Default is ‘:raw`.

Returns:

  • (Symbol) 


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# File 'lib/vedeu/configuration/configuration.rb', line 325

def terminal_mode
  instance.options[:terminal_mode]
end

.threaded? ⇒ Boolean Also known as: threaded

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a boolean indicating whether Vedeu should use threads to perform certain actions. This can have a performance impact.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 334

def threaded?
  instance.options[:threaded]
end

.width ⇒ Fixnum

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns the client defined width for the terminal.

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/configuration/configuration.rb', line 344

def width
  if drb?
    drb_width

  elsif width?
    instance.options[:width]

  else
    Vedeu::Terminal.size[-1]

  end
end

.width? ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:



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# File 'lib/vedeu/configuration/configuration.rb', line 358

def width?
  numeric?(instance.options[:width])
end

Instance Method Details

#base_path ⇒ String (private)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns:

  • (String) 


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# File 'lib/vedeu/configuration/configuration.rb', line 462

def base_path
  File.expand_path('.')
end

#configure(opts = {}, &block) ⇒ Hash<Symbol => void>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Set up default configuration and then allow the client application to modify it via the configuration API.

Parameters:

  • block (Proc)

Returns:

  • (Hash<Symbol => void>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 395

def configure(opts = {}, &block)
  @options.merge!(opts)

  @options.merge!(Config::API.configure(defaults, &block)) if block_given?

  Vedeu::Configuration
end

#defaults ⇒ Hash<Symbol => void> (private)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

The default options/attributes for a new instance of this class.

Returns:

  • (Hash<Symbol => void>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 413

def defaults
  {
    background:    :default,
    base_path:     base_path,
    colour_mode:   detect_colour_mode,
    compression:   true,
    debug:         false,
    drb:           false,
    drb_host:      nil,
    drb_port:      nil,
    drb_height:    25,
    drb_width:     80,
    foreground:    :default,
    height:        nil,
    interactive:   true,
    log:           Dir.tmpdir + '/vedeu_bootstrap.log',
    log_except:    [],
    log_only:      [],
    mouse:         true,
    once:          false,
    profile:       false,
    renderers:     [],
    root:          nil,
    stdin:         nil,
    stdout:        nil,
    stderr:        nil,
    terminal_mode: :raw,
    threaded:      true,
    width:         nil,
  }
end

#detect_colour_mode ⇒ Fixnum (private)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Attempt to determine the terminal colour mode via $TERM environment variable, or be optimistic and settle for 256 colours.

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/configuration/configuration.rb', line 450

def detect_colour_mode
  case ENV['TERM']
  when 'xterm-256color', 'screen-256color'
    256
  when 'xterm', 'screen', 'xterm-color', 'screen-color', 'rxvt'
    16
  else
    256
  end
end

#reset! ⇒ Hash<Symbol => void>

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Reset the configuration to the default values.

Returns:

  • (Hash<Symbol => void>) 


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# File 'lib/vedeu/configuration/configuration.rb', line 406

def reset!
  @options = defaults
end