Module: AdventureRL::Helpers::Error

Included in:
FileGroup, FileGroupPlayer, Image, Layer, Rectangle, Settings, TimingHandler
Defined in:
lib/AdventureRL/Helpers/Error.rb

Constant Summary collapse

PADDING = 
'  '
STACK_TRACE_SIZE = 
20
STACK_TRACE_PADDING = 
1

Class Method Summary collapse

Class Method Details

.directory_exists?(directory) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/AdventureRL/Helpers/Error.rb', line 40

def self.directory_exists? directory
  return false  unless (directory)
  return File.directory? directory
end

.error(*messages) ⇒ Object 



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# File 'lib/AdventureRL/Helpers/Error.rb', line 8

def self.error *messages
  message = messages.join ?\n
  message.gsub! /^/, PADDING
  stack_trace_lines = caller[STACK_TRACE_PADDING ... (STACK_TRACE_SIZE + STACK_TRACE_PADDING)].map do |line|
    next "#{PADDING}#{line}"
  end .reverse
  abort([
    "#{DIR[:entry].to_s} Error:",
    message,
    "#{PADDING}Exiting.",
    "Stack traceback (most recent call last):",
    stack_trace_lines
  ].flatten.join(?\n))
end

.error_no_directory(directory) ⇒ Object 



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# File 'lib/AdventureRL/Helpers/Error.rb', line 29

def self.error_no_directory directory
  dirpath = directory
  dirpath = directory.to_path  if (directory.is_a? Pathname)
  error "Directory does not exist, or is a file:", "  '#{dirpath}'"
end

.error_no_file(file) ⇒ Object 



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# File 'lib/AdventureRL/Helpers/Error.rb', line 23

def self.error_no_file file
  filepath = file
  filepath = file.to_path  if (file.is_a? Pathname)
  error "File does not exist, or is a directory:", "  '#{filepath}'"
end

.file_exists?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/AdventureRL/Helpers/Error.rb', line 35

def self.file_exists? file
  return false  unless (file)
  return File.file? file
end