8000 Fix reverse sort in xpath_parser by tompng · Pull Request #251 · ruby/rexml · GitHub
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Fix reverse sort in xpath_parser #251

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Merged
merged 2 commits into from
May 3, 2025
Merged

Fix reverse sort in xpath_parser #251

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cb0c9d2
Fix reverse sort in xpath_parser
tompng Apr 30, 2025
d5f5f83
Test xpathparser sort with preceding-sibling
tompng May 1, 2025
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Fix reverse sort in xpath_parser
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@tompng
tompng committed Apr 30, 2025
commit cb0c9d280da128463a65692e87ba24e3a6682d34
2 changes: 1 addition & 1 deletion lib/rexml/xpath_parser.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -671,7 +671,7 @@ def sort(array_of_nodes, order)
if order == :forward
index
else
-index
index.map(&:-@)
end
end
ordered.collect do |_index, node|
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4 changes: 4 additions & 0 deletions test/xpath/test_base.rb
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Expand Up @@ -409,6 +409,10 @@ def test_preceding
assert_equal("c", matches[0].name)
assert_equal("b", matches[1].name)

d = REXML::Document.new("<a><b/><c/><d/><d/></a>")
cs = REXML::XPath.match(d, "a/d/preceding::node()")
assert_equal(["d", "c", "c", "b", "b"], cs.map(&:name))

s = "<a><b><c id='1'/></b><b><b><c id='2'/><c id='3'/></b><c id='4'/></b><c id='NOMATCH'><c id='5'/></c></a>"
d = REXML::Document.new(s)
c = REXML::XPath.match( d, "//c[@id = '5']")
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