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May 2, 2023 23:21
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i guided chat gpt into creating a working version of my method, it took a few tries and one tweak to get working.
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def splice(b, e) | |
if !b.is_a?(String) || !e.is_a?(String) ; raise "Arguments require String type." | |
elsif b.empty? || e.empty? ; raise "Arguments cannot be empty." | |
end | |
s_copy = self.dup | |
if s_copy.length <= (b.length + e.length); raise "Base string is too small."; end | |
pos = 0 ; stack = false ; list = [] | |
if b.length > e.length ; buffer_length = b.length | |
else ; buffer_length = e.length | |
end | |
buffer = Array.new(buffer_length, "") | |
empty_buffer = Array.new(buffer_length, "") | |
empty_buffer2 = Array.new(buffer_length, "") | |
tag1 = empty_buffer | |
b.split('').each do |ch| | |
empty_buffer << ch | |
empty_buffer.delete_at(0) | |
end | |
tag2 = empty_buffer2 | |
e.split('').each do |ch| | |
empty_buffer2 << ch | |
empty_buffer2.delete_at(0) | |
end | |
loop do | |
if s_copy[pos].nil? ; break; end | |
buffer << s_copy[pos] | |
buffer.delete_at(0) | |
if stack ; list << s_copy[pos] ; end | |
str = buffer.join('') | |
tag = tag1.join('').reverse | |
m = true; i = 0 | |
tag.split('').each do |ch| | |
if ch != str.reverse[i] && ch != "" ; m = false; break ; end | |
i += 1 | |
end | |
if m ; stack = true; end | |
tag = tag2.join('').reverse | |
m = true ; i = 0 | |
tag.split('').each do |ch| | |
if ch != str.reverse[i] && ch != ""; m = false; break; end | |
i += 1 | |
end | |
if m ; stack = false; end | |
pos += 1 | |
end | |
if list.empty? ; return nil | |
else ; return list.join('')[0..("-#{e.length + 1}").to_i] | |
end | |
end | |
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