/// <summary>
/// Used by Parser.java to process VMs withing the parsing process
///
/// processAndRegister() doesn't actually render the macro to the output
/// Processes the macro body into the internal representation used by the
/// VelocimacroProxy objects, and if not currently used, adds it
/// to the macro Factory
/// </summary>
public static void processAndRegister(RuntimeServices rs, Node node, String sourceTemplate)
{
/*
* There must be at least one arg to #macro,
* the name of the VM. Note that 0 following
* args is ok for naming blocks of HTML
*/
int numArgs = node.jjtGetNumChildren();
/*
* this number is the # of args + 1. The + 1
* is for the block tree
*/
if (numArgs < 2)
{
/*
* error - they didn't name the macro or
* define a block
*/
rs.error("#macro error : Velocimacro must have name as 1st " + "argument to #macro()");
return;
}
/*
* get the arguments to the use of the VM
*/
String[] argArray = getArgArray(node);
/*
* now, try and eat the code block. Pass the root.
*/
IList macroArray = getASTAsStringArray(node.jjtGetChild(numArgs - 1));
/*
* make a big string out of our macro
*/
StringBuilder temp = new StringBuilder();
for (int i = 0; i < macroArray.Count; i++)
{
temp.Append(macroArray[i]);
}
String macroBody = temp.ToString();
/*
* now, try to add it. The Factory controls permissions,
* so just give it a whack...
*/
bool bRet = rs.addVelocimacro(argArray[0], macroBody, argArray, sourceTemplate);
return;
}
/// <summary> creates an array containing the literal
/// strings in the macro arguement
/// </summary>
private static String[] getArgArray(Node node)
{
/*
* remember : this includes the block tree
*/
int numArgs = node.jjtGetNumChildren();
numArgs--; // avoid the block tree...
String[] argArray = new String[numArgs];
int i = 0;
/*
* eat the args
*/
while (i < numArgs)
{
argArray[i] = node.jjtGetChild(i).FirstToken.image;
/*
* trim off the leading $ for the args after the macro name.
* saves everyone else from having to do it
*/
if (i > 0)
{
if (argArray[i].StartsWith("$"))
{
argArray[i] = argArray[i].Substring(1, (argArray[i].Length) - (1));
}
}
i++;
}
if (debugMode)
{
Console.Out.WriteLine("Macro.getArgArray() : #args = " + numArgs);
Console.Out.Write(argArray[0] + "(");
for (i = 1; i < numArgs; i++)
{
Console.Out.Write(" " + argArray[i]);
}
Console.Out.WriteLine(" )");
}
return(argArray);
}
