Hashmap to store spans and their child words for fast referencing and character grouping.
Keys are span_ids and values are Span objects.
Methods
__init__()
__init__
get_span(span_id)
get_span
insert(span_id, hot_character)
insert
items()
items
SpanMap
SpanMap.__init__()
hotpdf.sparse_matrix.SparseMatrix
hotpdf.trie.TrieNode