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Contents
module OptParseValidator
# Implementation of the Path Option
class OptPath < OptBase
# Initialize attrs:
#
# :exists if set to false, will ignore the file? and directory? checks
#
# :file Check if the path is a file
# :directory Check if the path is a directory
#
# :executable
# :readable
# :writable
#
# @param [ String ] value
#
# @return [ String ]
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
def allowed_attrs
[:file, :directory, :executable, :readable, :writable]
end
# @param [ Pathname ] path
def check_file(path)
fail "'#{path}' is not a file" unless path.file? || attrs[:exists] == false
end
# @param [ Pathname ] path
def check_directory(path)
fail "'#{path}' is not a directory" unless path.directory? || attrs[:exists] == false
end
# @param [ Pathname ] path
def check_executable(path)
fail "'#{path}' is not executable" unless path.executable?
end
# @param [ Pathname ] path
def check_readable(path)
fail "'#{path}' is not readable" unless path.readable?
end
# If the path does not exist, it will check for the parent
# directory write permission
#
# @param [ Pathname ] path
def check_writable(path)
fail "'#{path}' is not writable" if path.exist? && !path.writable? || !path.parent.writable?
end
end
end
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10 entries across 10 versions & 1 rubygems