Fix serialization of '&' in "script" attribute values so that it round-trips correctly. Bug 392511, r+sr=peterv, a=jst

This commit is contained in:
bzbarsky@mit.edu 2007-09-14 12:03:13 -07:00
Родитель e2c5e91a87
Коммит 287b0dad70
3 изменённых файлов: 66 добавлений и 11 удалений

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@ -529,7 +529,9 @@ nsXMLContentSerializer::SerializeAttr(const nsAString& aPrefix,
// need to select the delimiter character and escape characters using
// character entity references, ignoring the value of aDoEscapeEntities.
// See http://www.w3.org/TR/REC-html40/appendix/notes.html#h-B.3.2.2 for
// the standard on character entity references in values.
// the standard on character entity references in values. We also have to
// make sure to escape any '&' characters.
PRBool bIncludesSingle = PR_FALSE;
PRBool bIncludesDouble = PR_FALSE;
nsAString::const_iterator iCurr, iEnd;
@ -565,18 +567,16 @@ nsXMLContentSerializer::SerializeAttr(const nsAString& aPrefix,
(bIncludesDouble && !bIncludesSingle) ? PRUnichar('\'') : PRUnichar('"');
AppendToString(PRUnichar('='), aStr);
AppendToString(cDelimiter, aStr);
nsAutoString sValue(aValue);
sValue.ReplaceSubstring(NS_LITERAL_STRING("&"),
NS_LITERAL_STRING("&"));
if (bIncludesDouble && bIncludesSingle) {
nsAutoString sValue(aValue);
sValue.ReplaceSubstring(NS_LITERAL_STRING("\"").get(), NS_LITERAL_STRING(""").get());
mInAttribute = PR_TRUE;
AppendToString(sValue, aStr, PR_FALSE);
mInAttribute = PR_FALSE;
}
else {
mInAttribute = PR_TRUE;
AppendToString(aValue, aStr, PR_FALSE);
mInAttribute = PR_FALSE;
sValue.ReplaceSubstring(NS_LITERAL_STRING("\""),
NS_LITERAL_STRING("""));
}
mInAttribute = PR_TRUE;
AppendToString(sValue, aStr, PR_FALSE);
mInAttribute = PR_FALSE;
AppendToString(cDelimiter, aStr);
}
}

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@ -87,6 +87,7 @@ _TEST_FILES = test_bug5141.html \
test_bug375314.html \
test_bug382113.html \
test_bug390735.html \
test_bug392511.html \
bug382113_object.html \
test_CrossSiteXHR.html \
file_CrossSiteXHR_fail1.xml \

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@ -0,0 +1,54 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=392511
-->
<head>
<title>Test for Bug 392511</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=392511">Mozilla Bug 392511</a>
<p id="display"></p>
<div id="content" style="display: none">
<div id="t1"><span onclick="&quot;&amp;"></span></div>
<div id="t2"><span foo="&quot;&amp;"></span></div>
<div id="t3"><span onclick='&apos;&amp;'></span></div>
<div id="t4"><span foo='&apos;&amp;'></span></div>
<div id="t5"><span onclick='"&apos;&amp;'></span></div>
<div id="t6"><span foo='"&apos;&amp;'></span></div>
<div id="t7"><span onclick="'&quot;&amp;"></span></div>
<div id="t8"><span foo="'&quot;&amp;"></span></div>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">
/** Test for Bug 392511 **/
var results = [
"'\"&amp;'",
"\"&quot;&amp;\"",
"\"'&amp;\"",
"\"'&amp;\"",
"\"&quot;'&amp;\"",
"\"&quot;'&amp;\"",
"\"'&quot;&amp;\"",
"\"'&quot;&amp;\""
];
for (var i = 1; i <= 8; ++i) {
var id = "t" + i;
var str = $(id).innerHTML;
var expect = "<span ";
expect += (i % 2) ? "onclick" : "foo";
expect += "=" + results[i-1] + "></span>";
is (str, expect, "Wrong string for test " + id);
}
</script>
</pre>
</body>
</html>