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adds another 'open' to parsecsv; refs #3695

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This commit is contained in:
Andreas Rumpf 2016-05-28 19:53:13 +02:00
commit eba3355393
1 changed files with 11 additions and 0 deletions
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11
lib/pure/parsecsv.nim
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@ -77,6 +77,15 @@ proc open*(my: var CsvParser, input: Stream, filename: string,
my.row = @[] my.row = @[]
my.currRow = 0 my.currRow = 0
proc open*(my: var CsvParser, filename: string,
separator = ',', quote = '"', escape = '\0',
skipInitialSpace = false) =
## same as the other `open` but creates the file stream for you.
var s = newFileStream(filename, fmRead)
if s == nil: my.error(0, "cannot open: " & filename)
open(my, s, filename, separator,
quote, escape, skipInitialSpace)
proc parseField(my: var CsvParser, a: var string) = proc parseField(my: var CsvParser, a: var string) =
var pos = my.bufpos var pos = my.bufpos
var buf = my.buf var buf = my.buf
@ -131,6 +140,8 @@ proc readRow*(my: var CsvParser, columns = 0): bool =
## reads the next row; if `columns` > 0, it expects the row to have ## reads the next row; if `columns` > 0, it expects the row to have
## exactly this many columns. Returns false if the end of the file ## exactly this many columns. Returns false if the end of the file
## has been encountered else true. ## has been encountered else true.
##
## Blank lines are skipped.
var col = 0 # current column var col = 0 # current column
var oldpos = my.bufpos var oldpos = my.bufpos
while my.buf[my.bufpos] != '\0': while my.buf[my.bufpos] != '\0':