jyapayne/Nim
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implement capture iterator

Browse source
This commit is contained in:
Flaviu Tamas 2015-01-15 19:53:31 -05:00
commit a03d178a56
1 changed files with 11 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

17
src/nre.nim
View file

@ -156,20 +156,25 @@ proc asTable*(pattern: CaptureBounds, default = None[Slice[int]]()):
result = initTable[string, Option[Slice[int]]]() result = initTable[string, Option[Slice[int]]]()
asTableImpl(nextVal.isNone) asTableImpl(nextVal.isNone)
template toSeqImpl(cond: bool): stmt {.immediate, dirty.} = template itemsImpl(cond: bool): stmt {.immediate, dirty.} =
result = @[]
for i in 0 .. <RegexMatch(pattern).pattern.captureCount: for i in 0 .. <RegexMatch(pattern).pattern.captureCount:
let nextVal = pattern[i] let nextVal = pattern[i]
if cond: if cond:
result.add(default) yield default
else: else:
result.add(nextVal) yield nextVal
iterator items*(pattern: CaptureBounds, default = None[Slice[int]]()): Option[Slice[int]] =
itemsImpl(nextVal.isNone)
iterator items*(pattern: Captures, default: string = nil): string =
itemsImpl(nextVal == nil)
proc toSeq*(pattern: CaptureBounds, default = None[Slice[int]]()): seq[Option[Slice[int]]] = proc toSeq*(pattern: CaptureBounds, default = None[Slice[int]]()): seq[Option[Slice[int]]] =
toSeqImpl(nextVal.isNone) accumulateResult(pattern.items(default))
proc toSeq*(pattern: Captures, default: string = nil): seq[string] = proc toSeq*(pattern: Captures, default: string = nil): seq[string] =
toSeqImpl(nextVal == nil) accumulateResult(pattern.items(default))
# }}} # }}}
# Creation & Destruction {{{ # Creation & Destruction {{{