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rexml: Fix XPath string() implementation

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* lib/rexml/functions.rb( REXML::Functions.string):
  * Support context node.
  * Fix implementation for document node to remove out of root nodes.
  * Support processing instruction node.
  * Improve implementation for integer to omit decimals.

* test/rexml/test_jaxen.rb: Enable processing instruction test.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kou 2018-04-21 06:39:43 +00:00
parent e044924ee5
commit 6793c0a227
2 changed files with 29 additions and 31 deletions
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31
lib/rexml/functions.rb
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@ -136,22 +136,37 @@ module REXML
# An object of a type other than the four basic types is converted to a
# string in a way that is dependent on that type.
def Functions::string( object=nil )
#object = @context unless object
if object.instance_of? Array
string( object[0] )
elsif defined? object.node_type
if object.node_type == :attribute
object = @@context[:node] if object.nil?
if object.respond_to?(:node_type)
case object.node_type
when :attribute
object.value
elsif object.node_type == :element || object.node_type == :document
when :element
string_value(object)
when :document
string_value(object.root)
when :processing_instruction
object.content
else
object.to_s
end
elsif object.nil?
return ""
else
case object
when Array
string(object[0])
when Numeric
integer = object.to_i
if object == integer
"%d" % integer
else
object.to_s
end
when nil
""
else
object.to_s
end
end
end
# A node-set is converted to a string by

27
test/rexml/test_jaxen.rb
View file

@ -28,7 +28,7 @@ module REXMLTests
def _test_namespaces ; process_test_case("namespaces") ; end
def _test_nitf ; process_test_case("nitf") ; end
def _test_numbers ; process_test_case("numbers") ; end
def _test_pi ; process_test_case("pi") ; end
def test_pi ; process_test_case("pi") ; end
def _test_pi2 ; process_test_case("pi2") ; end
def _test_simple ; process_test_case("simple") ; end
def _test_testNamespaces ; process_test_case("testNamespaces") ; end
@ -79,29 +79,12 @@ module REXMLTests
def process_value_of(context, variables, namespaces, value_of)
expected = value_of.text
xpath = value_of.attributes["select"]
matched = XPath.first(context, xpath, namespaces, variables)
matched = XPath.match(context, xpath, namespaces, variables)
message = user_message(context, xpath, matched)
if expected.nil?
assert_nil(matched, message)
else
case matched
when Element
assert_equal(expected, matched.text, message)
when Attribute, Text, Comment, TrueClass, FalseClass
assert_equal(expected, matched.to_s, message)
when Instruction
assert_equal(expected, matched.content, message)
when Integer, Float
assert_equal(expected.to_f, matched, message)
when String
assert_equal(expected, matched, message)
else
flunk("#{message}\n" +
"Unexpected match value: <#{matched.inspect}>")
end
end
assert_equal(expected || "",
REXML::Functions.string(matched),
message)
end
# processes a tests/document/context/test node ( where @exception is false or doesn't exist )