Confusing semantic of the ignore leading/trailing spaces parameters
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Key: CSV-54
URL: https://issues.apache.org/jira/browse/CSV-54
Project: Commons CSV
Issue Type: Bug
Reporter: Emmanuel Bourg
{{CSVFormat}} has two parameters to control how the leading and trailing spaces
around values are handled, but the actual behavior depends on the value being
enclosed in quotes or not.
If the value is not enclosed in quotes, setting
{{leading/trailingSpacesIgnored}} to {{true}} will left or right trim the
value. For example with this input (using the default format):
{code}a, b ,c{code}
the second value will be equal to {{'b'}}.
But if the value is enclosed into quotes, the value is no longer trimmed:
{code}a," b ",c{code}
this will give {{' b '}}.
With quoted values the parser actually ignores the spaces between the delimiter
and the quote. Thus with this input:
{code}a, " b " ,c{code}
The value returned is {{' b '}}.
If {{leading/trailingSpacesIgnored}} is set to {{false}}, we get instead {{' "
b " '}} which is consistent with RFC 4180.
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