private VelocityCharStream GetTemplateStream()
{
StringBuilder sb = new StringBuilder();
sb.Append("## This is an example velocity template\n");
sb.Append("\n");
sb.Append("#set( $this = \"Velocity\")\n");
sb.Append("\n");
sb.Append("$this is great!\n");
sb.Append("\n");
//TODO: parse fails for this segment for unknown reason
// sb.Append("#foreach( $name in $list )\n");
// sb.Append("row $velocityCount :: $name is great!\n");
// sb.Append("#end\n");
// sb.Append("\n");
sb.Append("#set( $condition = true)\n");
sb.Append("\n");
sb.Append("#if ($condition)\n");
sb.Append(" The condition is true!\n");
sb.Append("#else\n");
sb.Append(" The condition is false!\n");
sb.Append("#end\n");
VelocityCharStream vcs = new VelocityCharStream(new StringReader(sb.ToString()), 1, 1);
return(vcs);
}
public void Test_Parse()
{
VelocityCharStream vcs = GetTemplateStream();
Parser p = new Parser(vcs);
SimpleNode root = p.process();
String javaNodes = "19,18,9,5,23,56,23,42,23,24,6,18,56,18,9,5,23,56,23,42,23,25,6,18,44,23,5,56,6,18,46,18,43,0";
String nodes = String.Empty;
if (root != null)
{
Token t = root.FirstToken;
nodes += t.kind.ToString();
while (t != root.LastToken)
{
t = t.next;
nodes += "," + t.kind.ToString();
}
}
if (!javaNodes.Equals(nodes))
{
Console.Out.WriteLine("");
Console.Out.WriteLine(".Net parsed nodes did not match java nodes.");
Console.Out.WriteLine("java=" + javaNodes);
Console.Out.WriteLine(".net=" + nodes);
Assertion.Fail(".Net parsed nodes did not match java nodes.");
}
}
public void Test_VelocityTryCharStream()
{
String s1 = "this is a test";
VelocityCharStream vcs = new VelocityCharStream(new StringReader(s1), 1, 1);
String s2 = String.Empty;
while(vcs.ReadChar())
{
s2 += vcs.CurrentCharacter;
}
Assert.IsTrue(s1.Equals(s2), "read stream did not match source string");
}
public void Test_VelocityTryCharStream()
{
String s1 = "this is a test";
VelocityCharStream vcs = new VelocityCharStream(new StringReader(s1), 1, 1);
String s2 = String.Empty;
while (vcs.ReadChar())
{
s2 += vcs.CurrentCharacter;
}
Assert.True(s1.Equals(s2), "read stream did not match source string");
}
public IEnumerable <ITagSpan <TokenTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var tags = Enumerable.Empty <ITagSpan <TokenTag> >();
foreach (SnapshotSpan span in spans)
{
var text = span.GetText();
//Perf hack - if we don't have any of the following, then there's no special velocity
if (text.IndexOfAny(new[] { '$', '#' }) < 0)
{
yield break;
}
using (var reader = new StringReader(text))
{
var charStream = new VelocityCharStream(reader, 0, 1, text.Length);
_parser.ReInit(charStream);
int position = span.Start.Position;
while (true)
{
Token token;
try
{
token = _parser.NextToken;
}
catch
{
//TODO: return some kind of error
yield break;
}
if (token.Kind == ParserConstants.EOF)
{
yield break;
}
var tag = TagToken(token, position, span.Snapshot);
if (tag != null)
{
yield return(tag);
}
position += token.Image.Length;
}
}
}
}
public void Test_VelocityCharStream()
{
String s1 = "this is a test";
VelocityCharStream vcs = new VelocityCharStream(new StringReader(s1), 1, 1);
String s2 = String.Empty;
try {
Char c = vcs.readChar();
while (true)
{
s2 += c;
c = vcs.readChar();
}
} catch (System.IO.IOException) {
// this is expected to happen when the stream has been read
}
Assertion.Assert("read stream did not match source string", s1.Equals(s2));
}
private VelocityCharStream GetTemplateStream()
{
StringBuilder sb = new StringBuilder();
sb.Append("## This is an example velocity template\n");
sb.Append("\n");
sb.Append("#set( $this = \"Velocity\")\n");
sb.Append("\n");
sb.Append("$this is great!\n");
sb.Append("\n");
//TODO: parse fails for this segment for unknown reason
// sb.Append("#foreach( $name in $list )\n");
// sb.Append("row $velocityCount :: $name is great!\n");
// sb.Append("#end\n");
// sb.Append("\n");
sb.Append("#set( $condition = true)\n");
sb.Append("\n");
sb.Append("#if ($condition)\n");
sb.Append(" The condition is true!\n");
sb.Append("#else\n");
sb.Append(" The condition is false!\n");
sb.Append("#end\n");
VelocityCharStream vcs = new VelocityCharStream(new StringReader(sb.ToString()), 1, 1);
return vcs;
}
