diff options
Diffstat (limited to 'lib/pure/parseutils.nim')
| -rw-r--r-- | lib/pure/parseutils.nim | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/lib/pure/parseutils.nim b/lib/pure/parseutils.nim index c4d59d892..2ca255fa0 100644 --- a/lib/pure/parseutils.nim +++ b/lib/pure/parseutils.nim @@ -12,29 +12,28 @@ ## ## To unpack raw bytes look at the `streams <streams.html>`_ module. ## -## .. code-block:: nim -## :test: +## ```nim test +## let logs = @["2019-01-10: OK_", "2019-01-11: FAIL_", "2019-01: aaaa"] +## var outp: seq[string] ## -## let logs = @["2019-01-10: OK_", "2019-01-11: FAIL_", "2019-01: aaaa"] -## var outp: seq[string] +## for log in logs: +## var res: string +## if parseUntil(log, res, ':') == 10: # YYYY-MM-DD == 10 +## outp.add(res & " - " & captureBetween(log, ' ', '_')) +## doAssert outp == @["2019-01-10 - OK", "2019-01-11 - FAIL"] +## ``` ## -## for log in logs: -## var res: string -## if parseUntil(log, res, ':') == 10: # YYYY-MM-DD == 10 -## outp.add(res & " - " & captureBetween(log, ' ', '_')) -## doAssert outp == @["2019-01-10 - OK", "2019-01-11 - FAIL"] +## ```nim test +## from std/strutils import Digits, parseInt ## -## .. code-block:: nim -## :test: -## from std/strutils import Digits, parseInt -## -## let -## input1 = "2019 school start" -## input2 = "3 years back" -## startYear = input1[0 .. skipWhile(input1, Digits)-1] # 2019 -## yearsBack = input2[0 .. skipWhile(input2, Digits)-1] # 3 -## examYear = parseInt(startYear) + parseInt(yearsBack) -## doAssert "Examination is in " & $examYear == "Examination is in 2022" +## let +## input1 = "2019 school start" +## input2 = "3 years back" +## startYear = input1[0 .. skipWhile(input1, Digits)-1] # 2019 +## yearsBack = input2[0 .. skipWhile(input2, Digits)-1] # 3 +## examYear = parseInt(startYear) + parseInt(yearsBack) +## doAssert "Examination is in " & $examYear == "Examination is in 2022" +## ``` ## ## **See also:** ## * `strutils module<strutils.html>`_ for combined and identical parsing proc's @@ -461,6 +460,8 @@ proc parseBiggestInt*(s: openArray[char], number: var BiggestInt): int {. var res: BiggestInt doAssert parseBiggestInt("9223372036854775807", res) == 19 doAssert res == 9223372036854775807 + doAssert parseBiggestInt("-2024_05_09", res) == 11 + doAssert res == -20240509 var res = BiggestInt(0) # use 'res' for exception safety (don't write to 'number' in case of an # overflow exception): @@ -475,10 +476,8 @@ proc parseInt*(s: openArray[char], number: var int): int {. ## `ValueError` is raised if the parsed integer is out of the valid range. runnableExamples: var res: int - doAssert parseInt("2019", res, 0) == 4 - doAssert res == 2019 - doAssert parseInt("2019", res, 2) == 2 - doAssert res == 19 + doAssert parseInt("-2024_05_02", res) == 11 + doAssert res == -20240502 var res = BiggestInt(0) result = parseBiggestInt(s, res) when sizeof(int) <= 4: @@ -993,6 +992,10 @@ proc parseBiggestInt*(s: string, number: var BiggestInt, start = 0): int {.noSid var res: BiggestInt doAssert parseBiggestInt("9223372036854775807", res, 0) == 19 doAssert res == 9223372036854775807 + doAssert parseBiggestInt("-2024_05_09", res) == 11 + doAssert res == -20240509 + doAssert parseBiggestInt("-2024_05_02", res, 7) == 4 + doAssert res == 502 parseBiggestInt(s.toOpenArray(start, s.high), number) proc parseInt*(s: string, number: var int, start = 0): int {.noSideEffect, raises: [ValueError].} = @@ -1001,10 +1004,10 @@ proc parseInt*(s: string, number: var int, start = 0): int {.noSideEffect, raise ## `ValueError` is raised if the parsed integer is out of the valid range. runnableExamples: var res: int - doAssert parseInt("2019", res, 0) == 4 - doAssert res == 2019 - doAssert parseInt("2019", res, 2) == 2 - doAssert res == 19 + doAssert parseInt("-2024_05_02", res) == 11 + doAssert res == -20240502 + doAssert parseInt("-2024_05_02", res, 7) == 4 + doAssert res == 502 parseInt(s.toOpenArray(start, s.high), number) |