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Clean up (as suggested by @Araq)

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This commit is contained in:
Dmitry Polienko 2016-12-01 09:14:14 +07:00
commit ff69656f80
1 changed files with 5 additions and 6 deletions
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11
lib/pure/xmltree.nim
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@ -97,19 +97,18 @@ proc innerText*(n: XmlNode): string =
## - If `n` is `xnElement`, runs recursively on each child node and ## - If `n` is `xnElement`, runs recursively on each child node and
## concatenates the results. ## concatenates the results.
## - Otherwise returns an empty string. ## - Otherwise returns an empty string.
var res = "" proc worker(res: var string, n: XmlNode) =
proc worker(n: XmlNode) =
case n.k case n.k
of { xnText, xnEntity }: of xnText, xnEntity:
res.add(n.fText) res.add(n.fText)
of xnElement: of xnElement:
for sub in n.s: for sub in n.s:
worker(sub) worker(res, sub)
else: else:
discard discard
worker(n) result = ""
res worker(result, n)
proc tag*(n: XmlNode): string {.inline.} = proc tag*(n: XmlNode): string {.inline.} =
## gets the tag name of `n`. `n` has to be an ``xnElement`` node. ## gets the tag name of `n`. `n` has to be an ``xnElement`` node.