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Merge pull request #5952 from Parashurama/fix_parseopt

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Fix parseopt custom arguments
This commit is contained in:
Varriount 2017-06-13 04:11:58 -04:00 • committed by GitHub
commit a939a4b3a4
3 changed files with 117 additions and 30 deletions
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45
lib/pure/parseopt.nim
View file

@ -149,26 +149,41 @@ proc cmdLineRest*(p: OptParser): TaintedString {.rtl, extern: "npo$1".} =
## retrieves the rest of the command line that has not been parsed yet.
result = strip(substr(p.cmd, p.pos, len(p.cmd) - 1)).TaintedString
iterator getopt*(p: var OptParser): tuple[kind: CmdLineKind, key, val: TaintedString] =
## This is an convenience iterator for iterating over the given OptParser object.
## Example:
##
## .. code-block:: nim
## var p = initOptParser("--left --debug:3 -l=4 -r:2")
## for kind, key, val in p.getopt():
## case kind
## of cmdArgument:
## filename = key
## of cmdLongOption, cmdShortOption:
## case key
## of "help", "h": writeHelp()
## of "version", "v": writeVersion()
## of cmdEnd: assert(false) # cannot happen
## if filename == "":
## # no filename has been given, so we show the help:
## writeHelp()
p.pos = 0
while true:
next(p)
if p.kind == cmdEnd: break
yield (p.kind, p.key, p.val)
when declared(initOptParser):
iterator getopt*(): tuple[kind: CmdLineKind, key, val: TaintedString] =
## This is an convenience iterator for iterating over the command line.
## This uses the OptParser object. Example:
## This is an convenience iterator for iterating over the command line arguments.
## This create a new OptParser object.
## See above for a more detailed example
##
## .. code-block:: nim
## var
## filename = ""
## for kind, key, val in getopt():
## case kind
## of cmdArgument:
## filename = key
## of cmdLongOption, cmdShortOption:
## case key
## of "help", "h": writeHelp()
## of "version", "v": writeVersion()
## of cmdEnd: assert(false) # cannot happen
## if filename == "":
## # no filename has been given, so we show the help:
## writeHelp()
## # this will iterate over all arguments passed to the cmdline.
## continue
##
var p = initOptParser()
while true:
next(p)

45
lib/pure/parseopt2.nim
View file

@ -123,26 +123,41 @@ type
{.deprecated: [TGetoptResult: GetoptResult].}
iterator getopt*(p: var OptParser): GetoptResult =
## This is an convenience iterator for iterating over the given OptParser object.
## Example:
##
## .. code-block:: nim
## var p = initOptParser("--left --debug:3 -l=4 -r:2")
## for kind, key, val in p.getopt():
## case kind
## of cmdArgument:
## filename = key
## of cmdLongOption, cmdShortOption:
## case key
## of "help", "h": writeHelp()
## of "version", "v": writeVersion()
## of cmdEnd: assert(false) # cannot happen
## if filename == "":
## # no filename has been given, so we show the help:
## writeHelp()
p.pos = 0
while true:
next(p)
if p.kind == cmdEnd: break
yield (p.kind, p.key, p.val)
when declared(paramCount):
iterator getopt*(): GetoptResult =
## This is an convenience iterator for iterating over the command line.
## This uses the OptParser object. Example:
## This is an convenience iterator for iterating over the command line arguments.
## This create a new OptParser object.
## See above for a more detailed example
##
## .. code-block:: nim
## var
## filename = ""
## for kind, key, val in getopt():
## case kind
## of cmdArgument:
## filename = key
## of cmdLongOption, cmdShortOption:
## case key
## of "help", "h": writeHelp()
## of "version", "v": writeVersion()
## of cmdEnd: assert(false) # cannot happen
## if filename == "":
## # no filename has been given, so we show the help:
## writeHelp()
## # this will iterate over all arguments passed to the cmdline.
## continue
##
var p = initOptParser()
while true:
next(p)