Method replaceToken

code/src/java/pcgen/io/ExportHandler.java:1525–1686

Replace the token with the value it represents @param aString The string containing the token to be replaced @param output The object that will capture the output @param aPC The PC currently being exported @return value

(String aString, BufferedWriter output, PlayerCharacter aPC)

	 * @return value
	 */
    public int replaceToken(String aString, BufferedWriter output, PlayerCharacter aPC)
	{
		try
		{
			// If it is plain text then there's no replacement necessary
			if (isPlainText(aString))
			{
				return 0;
			}

			// If it is purely a filter everything (not a filter on a specific token)
			// then there is nothing to replace so return 0
			if ("%".equals(aString))
			{
				canWrite = true;
				return 0;
			}

			// If the line starts with ${ and ends with } then write the JEP variable
			// and return the length of the line (minus any whitespace)
			if (aString.startsWith("${") && aString.endsWith("}"))
			{
				String jepString = aString.substring(2, aString.length() - 1);
				String variableValue = aPC.getVariableValue(jepString, "").toString();
				FileAccess.write(output, variableValue);
				return aString.trim().length();
			}

			// TODO Why?
			FileAccess.maxLength(-1);

			// Start the |%blah| token section, e.g. Deal with filtering tokens
			// (e.g.  If it doesn't meet a criteria then don't write)
			// If the string is a non empty filter and does not have a '<' or a '>' in it then replace the token
			if (isFilterToken(aString))
			{
				return dealWithFilteredTokens(aString, aPC);
			}

			String tokenString = aString;

			// now check for max length tokens
			// e.g: |SUB10.ARMOR.AC|
			if (isValidSubToken(tokenString))
			{
				tokenString = replaceSubToken(tokenString);
			}

			// Now check for the rest of the tokens
			populateTokenMap();

			StringTokenizer tok = new StringTokenizer(tokenString, ".,", false);
			String firstToken = tok.nextToken();

			// Get the remaining token/test string
			// TODO Understand this
			String testString = tokenString;
			if (testString.indexOf(',') > -1)