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function updateDocumentSourceMaps(source) {
const nsIDOMNode = Components.interfaces.nsIDOMNode;
const nsISAXXMLReader = Components.interfaces.nsISAXXMLReader;
const saxReader = Components.classes["@mozilla.org/saxparser/xmlreader;1"]
.createInstance(nsISAXXMLReader);
try {
saxReader.setFeature("http://xml.org/sax/features/namespace-prefixes", true);
saxReader.setFeature("http://xml.org/sax/features/namespace", true);
}
catch (e) {
// do nothing, we'll accept it as it is.
}
var parseErrorLog = [];
/* XXX ajvincent Because throwing an exception doesn't stop parsing, we need
* to record errors and handle them after the parsing is finished.
*/
function do_parse_check(aCondition, aMsg) {
if (!aCondition)
parseErrorLog[parseErrorLog.length] = aMsg;
}
var contentHandler = {
startDocument: function startDocument() {
},
endDocument: function endDocument() {
},
handleAttributes: function handleAttributes(aAttributes) {
for (var i = 0; i < aAttributes.length; i++) {
var attrNamespaceURI = aAttributes.getURI(i);
var attrLocalName = aAttributes.getLocalName(i);
var attrNodeName = aAttributes.getQName(i);
var value = aAttributes.getValue(i);
do_parse_check(attrLocalName, "Missing attribute local name");
do_parse_check(attrNodeName, "Missing attribute node name");
}
},
startElement: function startElement(aNamespaceURI, aLocalName, aNodeName, aAttributes) {
do_parse_check(aLocalName, "Missing element local name (startElement)");
do_parse_check(aNodeName, "Missing element node name (startElement)");
do_parse_check(aAttributes, "Missing element attributes");
this.handleAttributes(aAttributes);
},
endElement: function endElement(aNamespaceURI, aLocalName, aNodeName) {
do_parse_check(aLocalName, "Missing element local name (endElement)");
do_parse_check(aNodeName, "Missing element node name (endElement)");
},
inCDataSection: false,
characters: function characters(aData) {
},
processingInstruction: function processingInstruction(aTarget, aData) {
do_parse_check(aTarget, "Missing processing instruction target");
},
ignorableWhitespace: function ignorableWhitespace(aWhitespace) {
},
startPrefixMapping: function startPrefixMapping(aPrefix, aURI) {
},
endPrefixMapping: function endPrefixMapping(aPrefix) {
}
};
var lexicalHandler = {
comment: function comment(aContents) {
},
startDTD: function startDTD(aName, aPublicId, aSystemId) {
do_parse_check(aName, "Missing DTD name");
},
endDTD: function endDTD() {
},
startCDATA: function startCDATA() {
},
endCDATA: function endCDATA() {
},
startEntity: function startEntity(aName) {
do_parse_check(aName, "Missing entity name (startEntity)");
},
endEntity: function endEntity(aName) {
do_parse_check(aName, "Missing entity name (endEntity)");
}
};
var dtdHandler = {
notationDecl: function notationDecl(aName, aPublicId, aSystemId) {
do_parse_check(aName, "Missing notation name");
},
unparsedEntityDecl:
function unparsedEntityDecl(aName, aPublicId, aSystemId, aNotationName) {
do_parse_check(aName, "Missing entity name (unparsedEntityDecl)");
}
};
var errorHandler = {
error: function error(aLocator, aError) {
do_parse_check(!aError, "XML error");
},
fatalError: function fatalError(aLocator, aError) {
do_parse_check(!aError, "XML fatal error");
},
ignorableWarning: function ignorableWarning(aLocator, aError) {
do_parse_check(!aError, "XML ignorable warning");
}
};
saxReader.contentHandler = contentHandler;
saxReader.lexicalHandler = lexicalHandler;
saxReader.dtdHandler = dtdHandler;
saxReader.errorHandler = errorHandler;
saxReader.parseFromString(source, "application/xml");
// Just in case it leaks.
saxReader.contentHandler = null;
saxReader.lexicalHandler = null;
saxReader.dtdHandler = null;
saxReader.errorHandler = null;
return parseErrorLog;
}
function do_check_true_with_dump(aCondition, aParseLog) {
if (!aCondition) {
dump(aParseLog.join("\n"));
}
do_check_true(aCondition);
}
function run_test() {
var src;
src = "<!DOCTYPE foo>\n<!-- all your foo are belong to bar -->";
src += "<foo id='foo'>\n<?foo wooly bully?>\nfoo";
src += "<![CDATA[foo fighters]]></foo>\n";
var parseErrorLog = updateDocumentSourceMaps(src);
if (parseErrorLog.length > 0) {
dump(parseErrorLog.join("\n"));
}
do_check_true_with_dump(parseErrorLog.length == 0, parseErrorLog);
// End tag isn't well-formed.
src = "<!DOCTYPE foo>\n<!-- all your foo are belong to bar -->";
src += "<foo id='foo'>\n<?foo wooly bully?>\nfoo";
src += "<![CDATA[foo fighters]]></foo\n";
parseErrorLog = updateDocumentSourceMaps(src);
do_check_true_with_dump(parseErrorLog.length == 1 && parseErrorLog[0] == "XML fatal error", parseErrorLog);
}
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