public void ReadAttrName()
{
string input;
StringReader sr;
HtmlTextReader reader;
string output;
// no whitespace
input = "class='red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual('=', (char)reader.Peek());
Assert.AreEqual(ParseState.AttributeValue, reader.ParseState);
// whitespace
input = " class='red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual('=', (char)reader.Peek());
// whitespace
input = " class = 'red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual(' ', (char)reader.Peek());
// whitespace
input = " class = \"red\" ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("class", output);
Assert.AreEqual(' ', (char)reader.Peek());
// missing attr. the rest is val
input = " =red foo=bar ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
output = reader.ReadAttributeName();
Assert.AreEqual("=red", output);
Assert.AreEqual(' ', (char)reader.Peek());
}
private static string ReadAllAttributes(string input)
{
StringBuilder output = new StringBuilder();
StringReader sr = new StringReader(input);
HtmlTextReader reader = new HtmlTextReader(sr);
while (sr.Peek() >= 0)
{
string name = reader.ReadAttributeName();
string value = reader.ReadAttributeValue();
if (!string.IsNullOrEmpty(name))
{
output.Append(output.Length > 0 ? " " : "");
output.Append(name + "='" + value + "'");
}
}
return(output.ToString());
}
public void ReadAttrNameAndVal()
{
string input;
StringReader sr;
HtmlTextReader reader;
input = "class='red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("red", reader.ReadAttributeValue());
input = "class = \"red\" ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("red", reader.ReadAttributeValue());
input = " class =red ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("red", reader.ReadAttributeValue());
input = " class = red ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("red", reader.ReadAttributeValue());
input = " class = 'red' ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("red", reader.ReadAttributeValue());
// Make sure forward slashes are skipped in the right places...
input = " /class = /red ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("/red", reader.ReadAttributeValue());
// Make sure forward slashes are skipped in the right places...
input = " class/ = red ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual("", reader.ReadAttributeValue());
Assert.AreEqual("=", reader.ReadAttributeName());
Assert.AreEqual("", reader.ReadAttributeValue());
Assert.AreEqual("red", reader.ReadAttributeName());
Assert.AreEqual("", reader.ReadAttributeValue());
// Make sure forward slashes are skipped in the right places...
input = " /class /= /red ";
sr = new StringReader(input);
reader = new HtmlTextReader(sr);
Assert.AreEqual("class", reader.ReadAttributeName());
Assert.AreEqual(String.Empty, reader.ReadAttributeValue());
Assert.AreEqual("=", reader.ReadAttributeName());
Assert.AreEqual(String.Empty, reader.ReadAttributeValue());
Assert.AreEqual("red", reader.ReadAttributeName());
Assert.AreEqual(String.Empty, reader.ReadAttributeValue());
}