class Maprename::MappingParser
Attributes
config[RW]
Public Class Methods
new(config)
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# File lib/maprename/mapping_parser.rb, line 6 def initialize(config) debug " FileNameParser: #@config" @config = config @content = build_content end
Public Instance Methods
build_content()
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# File lib/maprename/mapping_parser.rb, line 24 def build_content encoding = config[:encoding] || 'UTF-8' separator = config[:column_separator] || "\t" content = IO.readlines(config[:file], encoding: encoding).map { |l| l.chomp.encode('UTF-8') } debug " MappingParser total mapping lines: #{content.size}" if config[:first_line_as_column_defination] config[:columns] = content.first.split(separator).each_with_index.map do |(c, i)| { name: c, index: i+1 } end end debug " MappingParser columns: #{config[:columns]}" content.map do |raw_row| fields = raw_row.split(separator) config[:columns].each_with_object({}) do |column, result| result[column[:name]] = fields[column[:index] - 1] end end end
parse!(context)
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# File lib/maprename/mapping_parser.rb, line 12 def parse!(context) @config[:select].each do |field_definition| debug " MappingParser field definition: #{field_definition}" keyword_value = context.instance_eval(field_definition[:keyword_value]) debug " MappingParser keyword value: #{keyword_value}" row = @content.find { |row| row[field_definition[:keyword_column]] == keyword_value } debug " MappingParser selected row: #{row}" context.instance_eval("self.%s = %s" % [field_definition[:name], row[field_definition[:select_column]].inspect]) debug " MappingParser context: #{context}" end end