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# File 'lib/wordmap/access.rb', line 87
def each(descriptors, indexes, vec_or_index, ltrim_regex, trace)
unless block_given?
return enum_for(
__method__,
descriptors,
indexes,
vec_or_index,
ltrim_regex,
trace
)
end
case vec_or_index
when NilClass, Integer
descriptor = vec_or_index.nil? ? 'data' : "vec#{vec_or_index}"
file, meta = descriptors[descriptor].values_at(:file, :meta)
subtrace = nil
if trace
subtrace = []
trace << [:each, descriptor, subtrace]
end
FileAccess.each_cell(file, meta: meta, trace: subtrace) { |cell|
value = (cell, ltrim_regex)
yield(value) unless value.empty?
}
when Symbol
raise "Unknown index: #{vec_or_index}" unless indexes.key?(vec_or_index)
subtrace = nil
if trace
subtrace = []
trace << [:each, vec_or_index, subtrace]
end
indexes[vec_or_index].each(0, trace: subtrace) { |cell| yield(cell) }
subtrace.replace(subtrace.flat_map { |v| v[2] }) if trace
else
raise 'Invalid value passed into each'
end
end
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