ios - How to set progressview for TBXML(parsing XML) -


i parsing xml file tbxml.
want set progressview that.

i need total number of lines , current line number of parser(tbxml).

get total line numbers of xmlstring: 

[[string componentsseparatedbycharactersinset: [nscharacterset newlinecharacterset]] count];

now, how can current line number of parser set value progressvuew


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