internal static FormatPatternNode[] Parse(string source)
{
FormatToken[] tokens = FormatTokenizer.Tokenize(source);
FormatTokenBuffer buffer = new FormatTokenBuffer(tokens);
FormatPatternParser parser = new FormatPatternParser(buffer);
return parser.Parse();
}
public void FormatTokenBuffer_Peek()
{
Buffer<FormatToken> buffer = new FormatTokenBuffer(new List<FormatToken>
{
FormatToken.CreateLiteral("Hello World")
});
Assert.AreEqual(0, buffer.Position);
Assert.AreEqual("Hello World", buffer.Peek().Value);
Assert.AreEqual(0, buffer.Position);
}
public void FormatTokenBuffer_Create()
{
Buffer<FormatToken> buffer = new FormatTokenBuffer(new List<FormatToken>
{
FormatToken.CreateLiteral("Hello World"),
FormatToken.CreateSymbol('@')
});
Assert.AreEqual(2, buffer.Length);
Assert.AreEqual(0, buffer.Position);
}
public void FormatTokenBuffer_Consume()
{
Buffer<FormatToken> buffer = new FormatTokenBuffer(new List<FormatToken>
{
FormatToken.CreateLiteral("0"),
FormatToken.CreateLiteral("1"),
FormatToken.CreateLiteral("2"),
FormatToken.CreateLiteral("3")
});
Assert.AreEqual(0, buffer.Position);
buffer.Consume(2);
Assert.AreEqual(2, buffer.Position);
Assert.AreEqual("2", buffer.Read().Value);
Assert.AreEqual(3, buffer.Position);
}
public void TokenBuffer_Seek()
{
Buffer<FormatToken> buffer = new FormatTokenBuffer(new List<FormatToken>
{
FormatToken.CreateLiteral("Hello World"),
FormatToken.CreateSymbol('@')
});
Assert.AreEqual(0, buffer.Position);
Assert.AreEqual("Hello World", buffer.Read().Value);
Assert.AreEqual(1, buffer.Position);
Assert.IsTrue(buffer.Seek(0));
Assert.AreEqual(0, buffer.Position);
Assert.IsFalse(buffer.Seek(2));
Assert.AreEqual(0, buffer.Position);
}
public void TokenBuffer_Rewind()
{
Buffer<FormatToken> buffer = new FormatTokenBuffer(new List<FormatToken>
{
FormatToken.CreateLiteral("Hello World"),
FormatToken.CreateSymbol('@'),
FormatToken.CreateWhitespace('\t')
});
buffer.Seek(2);
Assert.AreEqual(2, buffer.Position);
buffer.Rewind();
Assert.AreEqual(0, buffer.Position);
}
private FormatPatternParser(FormatTokenBuffer buffer)
{
_buffer = buffer;
}
