public void BadImageInLinkBug()
{
CreateParser(
"<a href=\"registration.asp?EventID=1272\"><img border=\"0\" src=\"\\images\\register.gif\"</a>",
"http://www.fedpage.com/Event.asp?EventID=1272");
parser.RegisterScanners();
ParseAndAssertNodeCount(1);
Assert.IsTrue(node[0] is LinkTag, "Node should be a HTMLLinkTag");
LinkTag linkTag = (LinkTag)node[0];
// Get the image tag from the link
Node[] insideNodes = new AbstractNode[10];
int j = 0;
foreach (Node nestedNode in linkTag)
{
insideNodes[j++] = nestedNode;
}
Assert.AreEqual(1, j, "Number of contained internal nodes");
Assert.IsTrue(insideNodes[0] is ImageTag);
ImageTag imageTag = (ImageTag)insideNodes[0];
Assert.AreEqual("http://www.fedpage.com/images/register.gif", imageTag.ImageURL, "Image Tag Location");
}
public void Scan()
{
CreateParser("<A HREF=\"mytest.html\"><IMG SRC=\"abcd.jpg\">Hello World</A>", "http://www.yahoo.com");
// Register the image scanner
LinkScanner linkScanner = new LinkScanner("-l");
parser.AddScanner(linkScanner);
parser.AddScanner(linkScanner.CreateImageScanner("-i"));
ParseAndAssertNodeCount(1);
Assert.IsTrue(node[0] is LinkTag, "Node should be a link node");
LinkTag linkTag = (LinkTag)node[0];
// Get the link data and cross-check
Node[] dataNode = new AbstractNode[10];
int i = 0;
foreach (Node nestedNode in linkTag)
{
dataNode[i++] = nestedNode;
}
Assert.AreEqual(2, i, "Number of data nodes");
Assert.IsTrue(dataNode[0] is ImageTag, "First data node should be an Image Node");
Assert.IsTrue(dataNode[1] is StringNode, "Second data node shouls be a String Node");
// Check the contents of each data node
ImageTag imageTag = (ImageTag)dataNode[0];
Assert.AreEqual("http://www.yahoo.com/abcd.jpg", imageTag.ImageURL, "Image URL");
StringNode stringNode = (StringNode)dataNode[1];
Assert.AreEqual("Hello World", stringNode.Text, "String Contents");
}
/// <summary> Insert an EndTag in the currentLine, just before the occurrence of the provided tag
/// </summary>
public virtual string InsertEndTagBeforeNode(AbstractNode node, string currentLine)
{
string newLine = currentLine.Substring(0, node.ElementBegin);
newLine += "</A>";
newLine += currentLine.Substring(node.ElementBegin, currentLine.Length - node.ElementBegin);
return(newLine);
}
public void LinkDataContents()
{
CreateParser(
"<a href=\"http://transfer.go.com/cgi/atransfer.pl?goto=http://www.signs.movies.com&name=114332&srvc=nws&context=283&guid=4AD5723D-C802-4310-A388-0B24E1A79689\" target=\"_new\"><img src=\"http://ad.abcnews.com/ad/sponsors/buena_vista_pictures/bvpi-ban0003.gif\" width=468 height=60 border=\"0\" alt=\"See Signs in Theaters 8-2 - Starring Mel Gibson\" align=><font face=\"verdana,arial,helvetica\" SIZE=\"1\"><b></b></font></a>",
"http://transfer.go.com");
// Register the image scanner
LinkScanner linkScanner = new LinkScanner("-l");
parser.AddScanner(linkScanner);
parser.AddScanner(linkScanner.CreateImageScanner("-i"));
ParseAndAssertNodeCount(1);
Assert.IsTrue(node[0] is LinkTag, "Node 0 should be a link tag");
LinkTag linkTag = (LinkTag)node[0];
Assert.AreEqual(
"http://transfer.go.com/cgi/atransfer.pl?goto=http://www.signs.movies.com&name=114332&srvc=nws&context=283&guid=4AD5723D-C802-4310-A388-0B24E1A79689",
linkTag.Link, "Link URL");
Assert.AreEqual("", linkTag.LinkText, "Link Text");
Node[] containedNodes = new AbstractNode[10];
int i = 0;
foreach (Node nestedNode in linkTag)
{
containedNodes[i++] = nestedNode;
}
Assert.AreEqual(5, i, "There should be 5 contained nodes in the link tag");
Assert.IsTrue(containedNodes[0] is ImageTag, "First contained node should be an image tag");
ImageTag imageTag = (ImageTag)containedNodes[0];
Assert.AreEqual("http://ad.abcnews.com/ad/sponsors/buena_vista_pictures/bvpi-ban0003.gif", imageTag.ImageURL,
"Image Location");
Assert.AreEqual("60", imageTag["HEIGHT"], "Image Height");
Assert.AreEqual("468", imageTag["WIDTH"], "Image Width");
Assert.AreEqual("0", imageTag["BORDER"], "Image Border");
Assert.AreEqual("See Signs in Theaters 8-2 - Starring Mel Gibson", imageTag["ALT"], "Image Alt");
Assert.IsTrue(containedNodes[1] is Tag, "Second contained node should be Tag");
Tag tag1 = (Tag)containedNodes[1];
Assert.AreEqual("font face=\"verdana,arial,helvetica\" SIZE=\"1\"", tag1.Text, "Tag Contents");
Assert.IsTrue(containedNodes[2] is Tag, "Third contained node should be Tag");
Tag tag2 = (Tag)containedNodes[2];
Assert.AreEqual("b", tag2.Text, "Tag Contents");
Assert.IsTrue(containedNodes[3] is EndTag, "Fourth contained node should be HTMLEndTag");
EndTag endTag1 = (EndTag)containedNodes[3];
Assert.AreEqual("b", endTag1.Text, "Fourth Tag contents");
Assert.IsTrue(containedNodes[4] is EndTag, "Fifth contained node should be HTMLEndTag");
EndTag endTag2 = (EndTag)containedNodes[4];
Assert.AreEqual("font", endTag2.Text, "Fifth Tag contents");
}
/// <summary> Scan the tag to see using the scanners, and attempt identification.
/// </summary>
/// <param name="url">URL at which HTML page is located
/// </param>
/// <param name="reader">The NodeReader that is to be used for reading the url
///
/// </param>
public virtual AbstractNode Scan(IDictionary scanners, string url, NodeReader reader)
{
if (tagContents.Length == 0)
{
return(this);
}
try
{
bool found = false;
AbstractNode retVal = null;
// Find the first word in the scanners
string firstWord = ExtractWord(tagContents.ToString());
// Now, get the scanner associated with this.
TagScanner scanner = (TagScanner)scanners[firstWord];
// Now do a deep check
if (scanner != null && scanner.Evaluate(tagContents.ToString(), reader.PreviousOpenScanner))
{
found = true;
TagScanner save;
save = reader.PreviousOpenScanner;
reader.PreviousOpenScanner = scanner;
retVal = scanner.CreateScannedNode(this, url, reader, tagLine);
reader.PreviousOpenScanner = save;
}
if (!found)
{
return(this);
}
else
{
return(retVal);
}
}
catch (System.Exception e)
{
string errorMsg;
if (tagContents != null)
{
errorMsg = tagContents.ToString();
}
else
{
errorMsg = "null";
}
throw new ParserException(
"Tag.scan() : Error while scanning tag, tag contents = " + errorMsg + ", tagLine = " + tagLine, e);
}
}
public virtual Node[] ToNodeArray()
{
Node[] nodeArray = new AbstractNode[size];
Array.Copy(nodeData, 0, nodeArray, 0, size);
return(nodeArray);
}
