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Wed Jul 4 08:24:28 2012 Takeyuki FUJIOKA <xibbar@ruby-lang.org>

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* lib/cgi/util.rb: Add &apos; to CGI's HTML escaping.[Feature #6620]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36299 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
xibbar 2012-07-03 23:32:33 +00:00
parent ab63d24b04
commit 07132e0675
2 changed files with 10 additions and 3 deletions
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9
lib/cgi/util.rb
View file

@ -22,6 +22,7 @@ class CGI
# The set of special characters and their escaped values
TABLE_FOR_ESCAPE_HTML__ = {
"'" => '&apos;',
'&' => '&amp;',
'"' => '&quot;',
'<' => '&lt;',
@ -32,7 +33,7 @@ class CGI
# CGI::escapeHTML('Usage: foo "bar" <baz>')
# # => "Usage: foo &quot;bar&quot; &lt;baz&gt;"
def CGI::escapeHTML(string)
string.gsub(/[&\"<>]/, TABLE_FOR_ESCAPE_HTML__)
string.gsub(/['&\"<>]/, TABLE_FOR_ESCAPE_HTML__)
end
# Unescape a string that has been HTML-escaped
@ -41,8 +42,9 @@ class CGI
def CGI::unescapeHTML(string)
enc = string.encoding
if [Encoding::UTF_16BE, Encoding::UTF_16LE, Encoding::UTF_32BE, Encoding::UTF_32LE].include?(enc)
return string.gsub(Regexp.new('&(amp|quot|gt|lt|#[0-9]+|#x[0-9A-Fa-f]+);'.encode(enc))) do
return string.gsub(Regexp.new('&(apos|amp|quot|gt|lt|#[0-9]+|#x[0-9A-Fa-f]+);'.encode(enc))) do
case $1.encode("US-ASCII")
when 'apos' then "'".encode(enc)
when 'amp' then '&'.encode(enc)
when 'quot' then '"'.encode(enc)
when 'gt' then '>'.encode(enc)
@ -53,9 +55,10 @@ class CGI
end
end
asciicompat = Encoding.compatible?(string, "a")
string.gsub(/&(amp|quot|gt|lt|\#[0-9]+|\#x[0-9A-Fa-f]+);/) do
string.gsub(/&(apos|amp|quot|gt|lt|\#[0-9]+|\#x[0-9A-Fa-f]+);/) do
match = $1.dup
case match
when 'apos' then "'"
when 'amp' then '&'
when 'quot' then '"'
when 'gt' then '>'

4
test/cgi/test_cgi_util.rb
View file

@ -53,4 +53,8 @@ class CGIUtilTest < Test::Unit::TestCase
assert_equal("<HTML>\n\t<BODY>\n\t</BODY>\n</HTML>\n",CGI::pretty("<HTML><BODY></BODY></HTML>","\t"))
end
def test_cgi_unescapeHTML
assert_equal(CGI::unescapeHTML("&apos;&amp;&quot;&gt;&lt;"),"'&\"><")
end
end