public virtual void CachesStrings()
{
CharacterReader r = new CharacterReader("Check\tCheck\tCheck\tCHOKE\tA string that is longer than 16 chars"
);
String one = r.ConsumeTo('\t');
r.Consume();
String two = r.ConsumeTo('\t');
r.Consume();
String three = r.ConsumeTo('\t');
r.Consume();
String four = r.ConsumeTo('\t');
r.Consume();
String five = r.ConsumeTo('\t');
NUnit.Framework.Assert.AreEqual("Check", one);
NUnit.Framework.Assert.AreEqual("Check", two);
NUnit.Framework.Assert.AreEqual("Check", three);
NUnit.Framework.Assert.AreEqual("CHOKE", four);
NUnit.Framework.Assert.IsTrue(one == two);
NUnit.Framework.Assert.IsTrue(two == three);
NUnit.Framework.Assert.IsTrue(three != four);
NUnit.Framework.Assert.IsTrue(four != five);
NUnit.Framework.Assert.AreEqual(five, "A string that is longer than 16 chars");
}
public virtual void Advance()
{
CharacterReader r = new CharacterReader("One Two Three");
NUnit.Framework.Assert.AreEqual('O', r.Consume());
r.Advance();
NUnit.Framework.Assert.AreEqual('e', r.Consume());
}
public virtual void ConsumeToString()
{
CharacterReader r = new CharacterReader("One Two Two Four");
NUnit.Framework.Assert.AreEqual("One ", r.ConsumeTo("Two"));
NUnit.Framework.Assert.AreEqual('T', r.Consume());
NUnit.Framework.Assert.AreEqual("wo ", r.ConsumeTo("Two"));
NUnit.Framework.Assert.AreEqual('T', r.Consume());
NUnit.Framework.Assert.AreEqual("wo Four", r.ConsumeTo("Qux"));
}
public virtual void Mark()
{
CharacterReader r = new CharacterReader("one");
r.Consume();
r.Mark();
NUnit.Framework.Assert.AreEqual('n', r.Consume());
NUnit.Framework.Assert.AreEqual('e', r.Consume());
NUnit.Framework.Assert.IsTrue(r.IsEmpty());
r.RewindToMark();
NUnit.Framework.Assert.AreEqual('n', r.Consume());
}
public virtual void ConsumeToAny()
{
CharacterReader r = new CharacterReader("One &bar; qux");
NUnit.Framework.Assert.AreEqual("One ", r.ConsumeToAny('&', ';'));
NUnit.Framework.Assert.IsTrue(r.Matches('&'));
NUnit.Framework.Assert.IsTrue(r.Matches("&bar;"));
NUnit.Framework.Assert.AreEqual('&', r.Consume());
NUnit.Framework.Assert.AreEqual("bar", r.ConsumeToAny('&', ';'));
NUnit.Framework.Assert.AreEqual(';', r.Consume());
NUnit.Framework.Assert.AreEqual(" qux", r.ConsumeToAny('&', ';'));
}
public virtual void ConsumeToChar()
{
CharacterReader r = new CharacterReader("One Two Three");
NUnit.Framework.Assert.AreEqual("One ", r.ConsumeTo('T'));
NUnit.Framework.Assert.AreEqual("", r.ConsumeTo('T'));
// on Two
NUnit.Framework.Assert.AreEqual('T', r.Consume());
NUnit.Framework.Assert.AreEqual("wo ", r.ConsumeTo('T'));
NUnit.Framework.Assert.AreEqual('T', r.Consume());
NUnit.Framework.Assert.AreEqual("hree", r.ConsumeTo('T'));
}
public virtual void Consume()
{
CharacterReader r = new CharacterReader("one");
NUnit.Framework.Assert.AreEqual(0, r.Pos());
NUnit.Framework.Assert.AreEqual('o', r.Current());
NUnit.Framework.Assert.AreEqual('o', r.Consume());
NUnit.Framework.Assert.AreEqual(1, r.Pos());
NUnit.Framework.Assert.AreEqual('n', r.Current());
NUnit.Framework.Assert.AreEqual(1, r.Pos());
NUnit.Framework.Assert.AreEqual('n', r.Consume());
NUnit.Framework.Assert.AreEqual('e', r.Consume());
NUnit.Framework.Assert.IsTrue(r.IsEmpty());
NUnit.Framework.Assert.AreEqual(CharacterReader.EOF, r.Consume());
NUnit.Framework.Assert.IsTrue(r.IsEmpty());
NUnit.Framework.Assert.AreEqual(CharacterReader.EOF, r.Consume());
}
public virtual void ConsumeLetterThenDigitSequence()
{
CharacterReader r = new CharacterReader("One12 Two &bar; qux");
NUnit.Framework.Assert.AreEqual("One12", r.ConsumeLetterThenDigitSequence());
NUnit.Framework.Assert.AreEqual(' ', r.Consume());
NUnit.Framework.Assert.AreEqual("Two", r.ConsumeLetterThenDigitSequence());
NUnit.Framework.Assert.AreEqual(" &bar; qux", r.ConsumeToEnd());
}
public virtual void MatchesAny()
{
char[] scan = new char[] { ' ', '\n', '\t' };
CharacterReader r = new CharacterReader("One\nTwo\tThree");
NUnit.Framework.Assert.IsFalse(r.MatchesAny(scan));
NUnit.Framework.Assert.AreEqual("One", r.ConsumeToAny(scan));
NUnit.Framework.Assert.IsTrue(r.MatchesAny(scan));
NUnit.Framework.Assert.AreEqual('\n', r.Consume());
NUnit.Framework.Assert.IsFalse(r.MatchesAny(scan));
}
public virtual void Matches()
{
CharacterReader r = new CharacterReader("One Two Three");
NUnit.Framework.Assert.IsTrue(r.Matches('O'));
NUnit.Framework.Assert.IsTrue(r.Matches("One Two Three"));
NUnit.Framework.Assert.IsTrue(r.Matches("One"));
NUnit.Framework.Assert.IsFalse(r.Matches("one"));
NUnit.Framework.Assert.AreEqual('O', r.Consume());
NUnit.Framework.Assert.IsFalse(r.Matches("One"));
NUnit.Framework.Assert.IsTrue(r.Matches("ne Two Three"));
NUnit.Framework.Assert.IsFalse(r.Matches("ne Two Three Four"));
NUnit.Framework.Assert.AreEqual("ne Two Three", r.ConsumeToEnd());
NUnit.Framework.Assert.IsFalse(r.Matches("ne"));
}
public virtual void NextIndexOfChar()
{
String @in = "blah blah";
CharacterReader r = new CharacterReader(@in);
NUnit.Framework.Assert.AreEqual(-1, r.NextIndexOf('x'));
NUnit.Framework.Assert.AreEqual(3, r.NextIndexOf('h'));
String pull = r.ConsumeTo('h');
NUnit.Framework.Assert.AreEqual("bla", pull);
r.Consume();
NUnit.Framework.Assert.AreEqual(2, r.NextIndexOf('l'));
NUnit.Framework.Assert.AreEqual(" blah", r.ConsumeToEnd());
NUnit.Framework.Assert.AreEqual(-1, r.NextIndexOf('x'));
}
// Element currentNode = currentNode();
// return currentNode != null && currentNode.namespace().equals("HTML");
/// <summary>Utility method to consume reader and unescape entities found within.</summary>
/// <param name="inAttribute"/>
/// <returns>unescaped string from reader</returns>
internal String UnescapeEntities(bool inAttribute)
{
StringBuilder builder = new StringBuilder();
while (!reader.IsEmpty())
{
builder.Append(reader.ConsumeTo('&'));
if (reader.Matches('&'))
{
reader.Consume();
char[] c = ConsumeCharacterReference(null, inAttribute);
if (c == null || c.Length == 0)
{
builder.Append('&');
}
else
{
builder.Append(c);
}
}
}
return(builder.ToString());
}
