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xpath abbreviate: add support for string literal that contains double-quote #96

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merged 3 commits into from
May 26, 2023
Merged

xpath abbreviate: add support for string literal that contains double-quote #96

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b32affc
Add XPathParser#QuoteLiteral.
pulver May 25, 2023
d50d7f3
PR Feedback.
pulver May 26, 2023
d6a02b9
Make quote_literal private.
pulver May 26, 2023
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17 changes: 16 additions & 1 deletion lib/rexml/parsers/xpathparser.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -178,7 +178,7 @@ def predicate_to_string( path, &block )
when :literal
path.shift
string << " "
string << path.shift.inspect
string << quote_literal(path.shift)
string << " "
else
string << " "
Expand All @@ -189,6 +189,21 @@ def predicate_to_string( path, &block )
end

private
def quote_literal( literal )
case literal
when String
# XPath 1.0 does not support escape characters.
# Assumes literal does not contain both single and double quotes.
if literal.include?("'")
"\"#{literal}\""
else
"'#{literal}'"
end
else
literal.inspect
end
end

#LocationPath
# | RelativeLocationPath
# | '/' RelativeLocationPath?
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