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Bug 345065. legacy rss support. r=ben

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This commit is contained in:
sayrer%gmail.com 2006-08-04 16:14:07 +00:00
parent 5e878105b5
commit e1144a8a49
8 changed files with 258 additions and 14 deletions
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58
toolkit/components/feeds/src/FeedProcessor.js
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@ -55,6 +55,7 @@ var gUnescapeHTML = Cc[UNESCAPE_CONTRACTID].
getService(Ci.nsIScriptableUnescapeHTML);
const XMLNS = "http://www.w3.org/XML/1998/namespace";
const RSS090NS = "http://my.netscape.com/rdf/simple/0.9/";
/***** Some general utils *****/
function strToURI(link, base) {
@ -261,12 +262,15 @@ function W3CToIETFDate(dateString) {
// namespace map
var gNamespaces = {
"http://backend.userland.com/rss":"",
"http://blogs.law.harvard.edu/tech/rss":"",
"http://www.w3.org/2005/Atom":"atom",
"http://purl.org/atom/ns#":"atom03",
"http://purl.org/rss/1.0/modules/content/":"content",
"http://purl.org/dc/elements/1.1/":"dc",
"http://www.w3.org/1999/02/22-rdf-syntax-ns#":"rdf",
"http://purl.org/rss/1.0/":"rss1",
"http://my.netscape.com/rdf/simple/0.9/":"rss1",
"http://wellformedweb.org/CommentAPI/":"wfw",
"http://purl.org/rss/1.0/modules/wiki/":"wiki",
"http://www.w3.org/XML/1998/namespace":"xml"
@ -417,7 +421,7 @@ Entry.prototype = {
id: [["guid", makePropGetter("guid")], "rdf:about",
"atom03:id", "atom:id"],
summary: ["description", "rss1:description", "dc:description",
"atom03:summary", "atom:summary"],
"atom03:summary", "atom:summary"],
content: ["content:encoded","atom03:content","atom:content"]
},
@ -739,8 +743,7 @@ ExtensionHandler.prototype = {
},
startElement: function EH_startElement(uri, localName, qName, attrs) {
++this._depth;
var prefix = gNamespaces[uri] ? gNamespaces[uri] + ":" : "";
var key = prefix + localName;
var key = this._processor._prefixForNS(uri) + localName;
if (attrs.length > 0 && !arrayContains(gKnownTextElements, key))
this._isSimple = false;
if (this._depth == 1) {
@ -818,7 +821,7 @@ function FeedProcessor() {
this._buf = "";
this._feed = Cc[BAG_CONTRACTID].createInstance(Ci.nsIWritablePropertyBag2);
this._handlerStack = [];
this._xmlBaseStack = [];
this._xmlBaseStack = []; // sparse array keyed to nesting depth
this._depth = 0;
this._state = "START";
this._result = null;
@ -1085,8 +1088,7 @@ FeedProcessor.prototype = {
// allows Dublin Core "creator" elements to be consistently mapped
// to "dc:creator", for easy field access by consumer code. This
// strategy also happens to shorten up our state table.
var prefix = gNamespaces[uri] ? gNamespaces[uri] + ":" : "";
var key = prefix + localName;
var key = this._prefixForNS(uri) + localName;
// Check to see if we need to hand this off to our XHTML handler.
// The elements we're dealing with will look like this:
@ -1139,6 +1141,13 @@ FeedProcessor.prototype = {
}
else if (elementInfo.feedVersion) {
this._state = "IN_" + elementInfo.fieldName.toUpperCase();
// Check for the older RSS2 variants
if (elementInfo.feedVersion == "rss2")
elementInfo.feedVersion = this._findRSSVersion(attributes);
else if (uri == RSS090NS)
elementInfo.feedVersion = "rss090";
this._docVerified(elementInfo.feedVersion);
this._stack.push([this._feed, this._state]);
this._mapAttributes(this._feed, attributes);
@ -1154,7 +1163,6 @@ FeedProcessor.prototype = {
// the state we're looking for is prefixed with an underscore
// to distinguish endElement events from startElement events.
endElement: function FP_endElement(uri, localName, qName) {
var prefix = gNamespaces[uri] ? gNamespaces[uri] + ":" : "";
var elementInfo = this._handlerStack[this._depth];
if (elementInfo && !elementInfo.isWrapper)
@ -1300,19 +1308,42 @@ FeedProcessor.prototype = {
container.replaceElementAt(element, container.length - 1, false);
},
_prefixForNS: function FP_prefixForNS(uri) {
if (!uri)
return "";
var prefix = gNamespaces[uri];
if (prefix)
return prefix + ":";
if (uri.toLowerCase().indexOf("http://backend.userland.com") == 0)
return "";
else
return null;
},
_mapAttributes: function FP__mapAttributes(bag, attributes) {
// Cycle through the attributes, and set our properties using the
// prefix:localNames we find in our namespace dictionary.
for (var i = 0; i < attributes.length; ++i) {
prefix = gNamespaces[attributes.getURI(i)] ?
gNamespaces[attributes.getURI(i)] + ":" : "";
key = prefix + attributes.getLocalName(i);
var key = this._prefixForNS(attributes.getURI(i)) + attributes.getLocalName(i);
var val = attributes.getValue(i);
bag.setPropertyAsAString(key, val);
}
},
// Only for RSS2esque formats
_findRSSVersion: function FP__findRSSVersion(attributes) {
var versionAttr = trimString(attributes.getValueFromName("", "version"));
var versions = { "0.91":"rss091",
"0.92":"rss092",
"0.93":"rss093",
"0.94":"rss094" }
if (versions[versionAttr])
return versions[versionAttr];
if (versionAttr.substr(0,2) != "2.")
return "rssUnknown";
return "rss2";
},
// unknown element values are returned here. See startElement above
// for how this works.
returnFromExtHandler:
@ -1342,8 +1373,7 @@ FeedProcessor.prototype = {
}
// Make the buffer our new property
var prefix = gNamespaces[uri] ? gNamespaces[uri] + ":" : "";
var propName = prefix + localName;
var propName = this._prefixForNS(uri) + localName;
// But, it could be something containing HTML. If so,
// we need to know about that.
@ -1401,12 +1431,12 @@ FeedProcessor.prototype = {
var container = top[0];
// Assign the property
var prefix = gNamespaces[uri] ? gNamespaces[uri] + ":" : "";
var newProp = newProp = Cc[TEXTCONSTRUCT_CONTRACTID].
createInstance(Ci.nsIFeedTextConstruct);
newProp.text = chars;
newProp.type = "xhtml";
container.setPropertyAsInterface(prefix + localName, newProp);
container.setPropertyAsInterface(this._prefixForNS(uri) + localName,
newProp);
// XHTML will cause us to peek too far. The XHTML handler will
// send us an end element to call. RFC4287-valid feeds allow a

50
toolkit/components/feeds/test/xml/rss09x/rss090.xml Normal file
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@ -0,0 +1,50 @@
<?xml version="1.0"?>
<!--
Description: RSS 0.90 works
Expect: feed.title.plainText() == "Mozilla Dot Org" && result.version == "rss090"
-->
<!-- The very first RSS file, circa 1999 -->
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns="http://my.netscape.com/rdf/simple/0.9/">
<channel>
<title>Mozilla Dot Org</title>
<link>http://www.mozilla.org</link>
<description>the Mozilla Organization web site</description>
</channel>
<image>
<title>Mozilla</title>
<url>http://www.mozilla.org/images/moz.gif</url>
<link>http://www.mozilla.org</link>
</image>
<item>
<title>New Status Updates</title>
<link>http://www.mozilla.org/status/</link>
</item>
<item>
<title>Bugzilla Reorganized</title>
<link>http://www.mozilla.org/bugs/</link>
</item>
<item>
<title>Mozilla Party, 2.0!</title>
<link>http://www.mozilla.org/party/1999/</link>
</item>
<item>
<title>Unix Platform Parity</title>
<link>http://www.mozilla.org/build/unix.html</link>
</item>
<item>
<title>NPL 1.0M published</title>
<link>http://www.mozilla.org/NPL/NPL-1.0M.html</link>
</item>
</rdf:RDF>

28
toolkit/components/feeds/test/xml/rss09x/rss091.xml Normal file
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@ -0,0 +1,28 @@
<?xml version="1.0"?>
<!DOCTYPE rss SYSTEM "http://my.netscape.com/publish/formats/rss-0.91.dtd">
<!--
Description: RSS 0.91 works
Expect: feed.title.plainText() == "Scripting News" && result.version == "rss091"
-->
<rss version="0.91">
<channel>
<language>en</language>
<description>
News and commentary from the cross-platform scripting community.
</description>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<image>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<url>http://www.scripting.com/gifs/tinyScriptingNews.gif</url>
</image>
<item>
<title>stuff</title>
<link>http://bar.example.com</link>
<description>This is an article about some stuff</description>
</item>
</channel>
</rss>

28
toolkit/components/feeds/test/xml/rss09x/rss091_withNS.xml Normal file
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@ -0,0 +1,28 @@
<?xml version="1.0"?>
<!DOCTYPE rss SYSTEM "http://my.netscape.com/publish/formats/rss-0.91.dtd">
<!--
Description: RSS 0.91 works
Expect: feed.title.plainText() == "Scripting News" && result.version == "rss091"
-->
<rss version="0.91" xmlns="http://backend.userland.com/RsS2">
<channel>
<language>en</language>
<description>
News and commentary from the cross-platform scripting community.
</description>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<image>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<url>http://www.scripting.com/gifs/tinyScriptingNews.gif</url>
</image>
<item>
<title>stuff</title>
<link>http://bar.example.com</link>
<description>This is an article about some stuff</description>
</item>
</channel>
</rss>

27
toolkit/components/feeds/test/xml/rss09x/rss092.xml Normal file
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@ -0,0 +1,27 @@
<?xml version="1.0"?>
<!--
Description: RSS 0.92 works
Expect: feed.title.plainText() == "Scripting News" && result.version == "rss092"
-->
<rss version="0.92">
<channel>
<language>en</language>
<description>
News and commentary from the cross-platform scripting community.
</description>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<image>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<url>http://www.scripting.com/gifs/tinyScriptingNews.gif</url>
</image>
<item>
<title>stuff</title>
<link>http://bar.example.com</link>
<description>This is an article about some stuff</description>
</item>
</channel>
</rss>

27
toolkit/components/feeds/test/xml/rss09x/rss093.xml Normal file
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@ -0,0 +1,27 @@
<?xml version="1.0"?>
<!--
Description: RSS 0.93 works
Expect: feed.title.plainText() == "Scripting News" && result.version == "rss093"
-->
<rss version="0.93">
<channel>
<language>en</language>
<description>
News and commentary from the cross-platform scripting community.
</description>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<image>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<url>http://www.scripting.com/gifs/tinyScriptingNews.gif</url>
</image>
<item>
<title>stuff</title>
<link>http://bar.example.com</link>
<description>This is an article about some stuff</description>
</item>
</channel>
</rss>

27
toolkit/components/feeds/test/xml/rss09x/rss094.xml Normal file
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@ -0,0 +1,27 @@
<?xml version="1.0"?>
<!--
Description: RSS 0.94 works
Expect: feed.title.plainText() == "Scripting News" && result.version == "rss094"
-->
<rss version="0.94">
<channel>
<language>en</language>
<description>
News and commentary from the cross-platform scripting community.
</description>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<image>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<url>http://www.scripting.com/gifs/tinyScriptingNews.gif</url>
</image>
<item>
<title>stuff</title>
<link>http://bar.example.com</link>
<description>This is an article about some stuff</description>
</item>
</channel>
</rss>

27
toolkit/components/feeds/test/xml/rss09x/rssUnknown.xml Normal file
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@ -0,0 +1,27 @@
<?xml version="1.0"?>
<!--
Description: RSS unknown version works
Expect: feed.title.plainText() == "Scripting News" && result.version == "rssUnknown"
-->
<rss version="0.95">
<channel>
<language>en</language>
<description>
News and commentary from the cross-platform scripting community.
</description>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<image>
<link>http://www.scripting.com/</link>
<title>Scripting News</title>
<url>http://www.scripting.com/gifs/tinyScriptingNews.gif</url>
</image>
<item>
<title>stuff</title>
<link>http://bar.example.com</link>
<description>This is an article about some stuff</description>
</item>
</channel>
</rss>