diff options
| -rw-r--r-- | lib/pure/xmltree.nim | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/pure/xmltree.nim b/lib/pure/xmltree.nim index 2564c4465..1c7e5bce8 100644 --- a/lib/pure/xmltree.nim +++ b/lib/pure/xmltree.nim @@ -360,6 +360,35 @@ proc `[]`* (n: var XmlNode, i: int): var XmlNode {.inline.} = assert n.k == xnElement result = n.s[i] +proc clear*(n: var XmlNode) = + ## Recursively clear all children of an XmlNode. + runnableExamples: + from strutils import unindent + + var g = newElement("myTag") + g.add newText("some text") + g.add newComment("this is comment") + + var h = newElement("secondTag") + h.add newEntity("some entity") + + let att = {"key1": "first value", "key2": "second value"}.toXmlAttributes + var k = newXmlTree("treeTag", [g, h], att) + + assert ($k).unindent == + """<treeTag key2="second value" key1="first value"> + <myTag>some text<!-- this is comment --></myTag> + <secondTag>&some entity;</secondTag> + </treeTag>""".unindent + clear(k) + assert $k == """<treeTag key2="second value" key1="first value" />""" + + for i in 0 ..< n.len: + clear(n[i]) + if n.k == xnElement: + n.s.setLen(0) + + iterator items*(n: XmlNode): XmlNode {.inline.} = ## Iterates over any child of `n`. ## |