Section: Variadic Functions - VERGE, Free 2d Game Engine

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Section: Variadic Functions

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Overkill

I present DictConstruct, which can create and populate a dictionary in the same call.

// DictConstruct

// Constructs a dictionary and populates it using the string arguments given to it.

// Pass: args - strings of the form "key:value"

// Returns: A dictionary handle populated with the key-to-value mappings you supply.

int DictConstruct(... args)

{

	int i;

	int dict = DictNew();

	string k, v;

	for(i = 0; i < args.length; i++)

	{

		if(args.is_string[i])

		{

			k = GetToken(args.string[i], ":", 0);

			v = TokenRight(args.string[i], ":", 1);

			DictSetString(dict, k, v);

		}

		else

		{

			Exit("DictConstruct: Argument " + str(i) + " must be a string value.");

		}

	}

	return dict;

}

Here is an example usage:

int dict = DictConstruct("name:Bob", "job:Fighter", "attack:54");

Posted on 2008-12-27 23:56:29 (last edited on 2008-12-28 00:58:17)

Overkill

Here's a fairly simple (but possibly handy) varargs function for logging text.

// Print
// Logs a message from a list of mixed string/int arguments and prints it with tabs
// Pass: args - The arguments to print
void Print(... args)
{
	string s;
	int i;
	for(i = 0; i < args.length; i++)
	{
		if(args.is_int[i])
		{
			if(i) s += "	";
			s += str(args.int[i]);
		}
		if(args.is_string[i])
		{
			if(i) s += "	";
			s += args.string[i];
		}
	}
	Log(s);
}

Example usage:

Print("Hey look it's like Log() except for ", 1, " thing, it takes varargs");

Posted on 2008-12-28 00:07:39

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