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Contents
require 'marc'
module BerkeleyLibrary
module TIND
module Mapping
module Misc
#### referred tag ###
def origin_mapping_tag(f)
is_880_field?(f) ? referred_tag(f) : f.tag
end
# get the 880 referred tag.
# An example $6 value: '650-05/$1', referred tag is 650
def referred_tag(field)
return nil unless subfield6?(field)
field['6'].strip.split('-')[0]
end
# check a tag in subfield 6 of a 880 datafield
def field_880_has_referred_tag?(tag, field)
referred_tag_from_880 = referred_tag(field)
return false unless referred_tag_from_880
referred_tag_from_880 == tag
end
### referred tag end ###
# add subfield6 validation
def check_subfield6_format(f)
val = f['6']
reg1 = %r{^\d{3}-\d{2}/}
reg2 = /^\d{3}-\d{2}$/
logger.warn("Unusual subfield6 format: #{val}; correct format examples: 1) 880-02 ; 2)246-02/$1") unless reg1.match(val) || reg2.match(val)
end
private
# manipulate original values
# Delete characters when occuring at the end of a subfield value
def rm_punctuation(str)
return str if str.empty? || str.nil?
punctuations = Config.punctuations
char = str[-1]
return str unless punctuations.include? char
rm_punctuation(str.delete_suffix!(char))
end
def clr_value(value)
new_value = rm_punctuation(value)
['[', ']'].each { |v| value.gsub!(v, ' ') }
new_value.strip
end
# input example: 1) 880-02 ; 2)246-02/$1
def seq_no(value)
# logger if not started with ***-** format
value.split('/')[0].split('-')[1].to_i # nil.to_i => 0, ''.to_i = >0
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems