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|
module Cucumber
module Core
module Gherkin
module Writer
module HasOptionsInitializer
def self.included(base)
base.extend HasDefaultKeyword
end
attr_reader :name, :options
private :name, :options
def initialize(*args)
@comments = args.shift if args.first.is_a?(Array)
@comments ||= []
@options = args.pop if args.last.is_a?(Hash)
@options ||= {}
@name = args.first
end
private
def comments_statement
@comments
end
def keyword
options.fetch(:keyword) { self.class.keyword }
end
def name_statement
"#{keyword}: #{name}".strip
end
def tag_statement
tags
end
def tags
options[:tags]
end
module HasDefaultKeyword
def default_keyword(keyword)
@keyword = keyword
end
def keyword
@keyword
end
end
end
module AcceptsComments
def comment(line)
comment_lines << "# #{line}"
end
def comment_lines
@comment_lines ||= []
end
def slurp_comments
comment_lines.tap { @comment_lines = nil }
end
end
module HasElements
include AcceptsComments
def self.included(base)
base.extend HasElementBuilders
end
def build(source = [])
elements.inject(source + statements) { |acc, el| el.build(acc) }
end
private
def elements
@elements ||= []
end
module HasElementBuilders
def elements(*names)
names.each { |name| element(name) }
end
private
def element(name)
define_method name do |*args, &source|
factory_name = String(name).split("_").map(&:capitalize).join
factory = Writer.const_get(factory_name)
factory.new(slurp_comments, *args).tap do |builder|
builder.instance_exec(&source) if source
elements << builder
end
self
end
end
end
end
module Indentation
def self.level(number)
Module.new do
define_method :indent do |string, amount=nil|
amount ||= number
return string if string.nil? || string.empty?
(' ' * amount) + string
end
define_method :indent_level do
number
end
define_method :prepare_statements do |*statements|
statements.flatten.compact.map { |s| indent(s) }
end
end
end
end
module HasDescription
private
def description
options.fetch(:description) { '' }.split("\n").map(&:strip)
end
def description_statement
description.map { |s| indent(s,2) } unless description.empty?
end
end
module HasRows
def row(*cells)
rows << cells
end
def rows
@rows ||= []
end
private
def row_statements(indent=nil)
rows.map { |row| indent(table_row(row), indent) }
end
def table_row(row)
padded = pad(row)
"| #{padded.join(' | ')} |"
end
def pad(row)
row.map.with_index { |text, position| justify_cell(text, position) }
end
def column_length(column)
lengths = rows.transpose.map { |r| r.map(&:length).max }
lengths[column]
end
def justify_cell(cell, position)
cell.ljust(column_length(position))
end
end
end
end
end
end
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