129 lines
3.4 KiB
Ruby
129 lines
3.4 KiB
Ruby
require 'yaml'
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# Functions are stored in generated files as both Procs (:function) and
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# Strings (:function_id). The String version makes comparisons of Procs much
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# easier.
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#
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# TODO:
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# - better comparison of existing rules
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def parse_holiday_defs(module_name, files)
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regions = []
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rules_by_month = {}
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custom_methods = {}
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files.each do |file|
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def_file = YAML.load_file(file)
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puts " Loading #{file}"
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if def_file['months']
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puts " - importing dates..."
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def_file['months'].each do |month, definitions|
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rules_by_month[month] = [] unless rules_by_month[month]
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definitions.each do |definition|
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rule = {}
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definition.each do |key, val|
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rule[key] = val
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end
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rule['regions'] = rule['regions'].collect { |r| r.to_sym }
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regions << rule['regions']
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exists = false
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rules_by_month[month].each do |ex|
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if ex['name'] == rule['name'] and ex['wday'] == rule['wday'] and ex['mday'] == rule['mday'] and ex['week'] == rule['week'] and ex['type'] == rule['type'] and ex['function'] == rule['function'] and ex['observed'] == rule['observed']
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ex['regions'] << rule['regions'].flatten
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exists = true
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end
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end
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unless exists
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rules_by_month[month] << rule
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end
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end # /defs.each
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end
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end
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if def_file['methods']
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puts " - importing methods..."
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def_file['methods'].each do |name, code|
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custom_methods[name] = code
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end # /methods.each
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end
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end
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# Build the definitions
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month_strs = []
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rules_by_month.each do |month, rules|
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month_str = " #{month.to_s} => ["
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rule_strings = []
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rules.each do |rule|
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str = '{'
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if rule['mday']
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str << ":mday => #{rule['mday']}, "
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elsif rule['function']
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str << ":function => lambda { |year| Holidays.#{rule['function']} }, "
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str << ":function_id => \"#{rule['function'].to_s}\", "
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else
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str << ":wday => #{rule['wday']}, :week => #{rule['week']}, "
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end
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if rule['observed']
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str << ":observed => lambda { |date| Holidays.#{rule['observed']}(date) }, "
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str << ":observed_id => \"#{rule['observed'].to_s}\", "
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end
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if rule['type']
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str << ":type => :#{rule['type']}, "
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end
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# shouldn't allow the same region twice
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str << ":name => \"#{rule['name']}\", :regions => [:" + rule['regions'].uniq.join(', :') + "]}"
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rule_strings << str
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end
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month_str << rule_strings.join(",\n ") + "]"
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month_strs << month_str
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end
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month_strs.join(",\n")
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# Build the methods
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method_str = ''
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custom_methods.each do |key, code|
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method_str << code + "\n\n"
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end
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# Build the output file
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out =<<-EOC
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module Holidays
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# This file is generated by the Ruby Holiday gem.
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#
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# Definitions loaded: #{files.join(', ')}
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#
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# To use the definitions in this file, load them right after you load the
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# Holiday gem:
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#
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# require 'holidays'
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# require 'holidays/#{module_name.downcase}'
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#
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# More definitions are available at http://code.dunae.ca/holidays.
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module #{module_name} # :nodoc:
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DEFINED_REGIONS = [:#{regions.flatten.uniq.join(', :')}]
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HOLIDAYS_BY_MONTH = {
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#{month_strs.join(",\n")}
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}
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end
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#{method_str}
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end
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Holidays.merge_defs(Holidays::#{module_name}::DEFINED_REGIONS, Holidays::#{module_name}::HOLIDAYS_BY_MONTH)
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EOC
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end
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