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# File 'lib/lucid/step_match.rb', line 44
def replace_arguments(string, step_arguments, format, &proc)
s = string.dup
offset = past_offset = 0
step_arguments.each do |step_argument|
next if step_argument.offset.nil? || step_argument.offset < past_offset
replacement = if block_given?
proc.call(step_argument.val)
elsif Proc === format
format.call(step_argument.val)
else
format % step_argument.val
end
s[step_argument.offset + offset, step_argument.val.length] = replacement
offset += replacement.unpack('U*').length - step_argument.val.unpack('U*').length
past_offset = step_argument.offset + step_argument.val.length
end
s
end
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