Class: OptParseValidator::OptPath

Inherits:
OptBase
  • Object
show all
Defined in:
lib/opt_parse_validator/opts/path.rb

Overview

Implementation of the Path Option

Direct Known Subclasses

OptDirectoryPath, OptFilePath

Instance Attribute Summary

Attributes inherited from OptBase

#attrs, #option, #required

Instance Method Summary collapse

Methods inherited from OptBase

#choices, #default, #initialize, #normalize, #required?, #required_unless, #to_long, #to_s, #to_sym, #value_if_empty

Constructor Details

This class inherits a constructor from OptParseValidator::OptBase

Instance Method Details

#allowed_attrs ⇒ Object 



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# File 'lib/opt_parse_validator/opts/path.rb', line 29

def allowed_attrs
  [:file, :directory, :executable, :readable, :writable]
end

#check_directory(path) ⇒ Object

Parameters:

  • path (Pathname) 


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# File 'lib/opt_parse_validator/opts/path.rb', line 39

def check_directory(path)
  fail "'#{path}' is not a directory" unless path.directory? || attrs[:exists] == false
end

#check_executable(path) ⇒ Object

Parameters:

  • path (Pathname) 


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# File 'lib/opt_parse_validator/opts/path.rb', line 44

def check_executable(path)
  fail "'#{path}' is not executable" unless path.executable?
end

#check_file(path) ⇒ Object

Parameters:

  • path (Pathname) 


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# File 'lib/opt_parse_validator/opts/path.rb', line 34

def check_file(path)
  fail "'#{path}' is not a file" unless path.file? || attrs[:exists] == false
end

#check_readable(path) ⇒ Object

Parameters:

  • path (Pathname) 


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# File 'lib/opt_parse_validator/opts/path.rb', line 49

def check_readable(path)
  fail "'#{path}' is not readable" unless path.readable?
end

#check_writable(path) ⇒ Object

If the path does not exist, it will check for the parent directory write permission

Parameters:

  • path (Pathname) 


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# File 'lib/opt_parse_validator/opts/path.rb', line 57

def check_writable(path)
  fail "'#{path}' is not writable" if path.exist? && !path.writable? || !path.parent.writable?
end

#validate(value) ⇒ String

Parameters:

  • value (String)

Returns:

  • (String) 


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# File 'lib/opt_parse_validator/opts/path.rb', line 19

def validate(value)
  path = Pathname.new(value)
  allowed_attrs.each do |key|
    method = "check_#{key}"
    send(method, path) if self.respond_to?(method) && attrs[key]
  end

  path.to_s
end