///
/// <summary> This constructor was added to allow the re-use of parsers.
/// The normal constructor takes a single argument which
/// an InputStream. This simply creates a re-usable parser
/// object, we satisfy the requirement of an InputStream
/// by using a newline character as an input stream.
/// </summary>
public Parser(RuntimeServices rs):this(new VelocityCharStream(new StringReader("\n"), 1, 1)) {
InitBlock();
/*
* now setup a VCS for later use
*/
velcharstream = new VelocityCharStream(new StringReader("\n"), 1, 1);
/*
* and save the RuntimeServices
*/
rsvc = rs;
}
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_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 (IOException)
{
// this is expected to happen when the stream has been read
}
Assert.IsTrue(s1.Equals(s2), "read stream did not match source string");
}
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;
}
