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Contents
# frozen_string_literal: true
module EacRubyUtils
class StringDelimited
attr_reader :string, :begin_delimiter, :end_delimiter
def initialize(string, begin_delimiter, end_delimiter)
@string = string
@begin_delimiter = begin_delimiter
@end_delimiter = end_delimiter
end
def inner
between_indexes(content_index, end_index).to_s
end
def outer
between_indexes(begin_index, after_end_index).to_s
end
def without_inner
without_join(
between_indexes(sos_index, content_index), between_indexes(end_index, eos_index)
)
end
def without_outer
without_join(
between_indexes(sos_index, begin_index),
between_indexes(after_end_index, eos_index)
)
end
private
def after_end_index
end_index.if_present { |v| v + end_delimiter.length }
end
def begin_index
string.index(begin_delimiter)
end
def between_indexes(a_begin_index, a_end_index)
a_begin_index && a_end_index ? string[a_begin_index, a_end_index - a_begin_index] : nil
end
def content_index
begin_index.if_present { |v| v + begin_delimiter.length }
end
def without_join(*strings)
return string if strings.any?(&:nil?)
strings.join('')
end
def end_index
content_index.if_present { |_v| string.index(end_delimiter, content_index) }
end
def sos_index
0
end
def eos_index
string.length
end
end
end
Version data entries
205 entries across 205 versions & 4 rubygems