# NOT RUN {
x <- read_xml("<foo><bar><baz/></bar><baz/></foo>")
xml_find_all(x, ".//baz")
xml_path(xml_find_all(x, ".//baz"))
# Note the difference between .// and //
# // finds anywhere in the document (ignoring the current node)
# .// finds anywhere beneath the current node
(bar <- xml_find_all(x, ".//bar"))
xml_find_all(bar, ".//baz")
xml_find_all(bar, "//baz")
# Find all vs find one -----------------------------------------------------
x <- read_xml("<body>
<p>Some <b>text</b>.</p>
<p>Some <b>other</b> <b>text</b>.</p>
<p>No bold here!</p>
</body>")
para <- xml_find_all(x, ".//p")
# If you apply xml_find_all to a nodeset, it finds all matches,
# de-duplicates them, and returns as a single list. This means you
# never know how many results you'll get
xml_find_all(para, ".//b")
# xml_find_first only returns the first match per input node. If there are 0
# matches it will return a missing node
xml_find_first(para, ".//b")
xml_text(xml_find_first(para, ".//b"))
# Namespaces ---------------------------------------------------------------
# If the document uses namespaces, you'll need use xml_ns to form
# a unique mapping between full namespace url and a short prefix
x <- read_xml('
<root xmlns:f = "http://foo.com" xmlns:g = "http://bar.com">
<f:doc><g:baz /></f:doc>
<f:doc><g:baz /></f:doc>
</root>
')
xml_find_all(x, ".//f:doc")
xml_find_all(x, ".//f:doc", xml_ns(x))
# }
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