Method Description

code/src/java/pcgen/core/Description.java:64–141

Default constructor. @param aString The description string.

(final String aString)

	 * @param aString The description string.
	 */
	public Description(final String aString)
	{
		int currentInd = 0;
		int percentInd;
		while ((percentInd = aString.indexOf('%', currentInd)) != -1)
		{
			final String preText = aString.substring(currentInd, percentInd);
			if (!preText.isEmpty())
			{
				theComponents.add(preText);
			}
			if (percentInd == aString.length() - 1)
			{
				theComponents.add("%"); //$NON-NLS-1$
				return;
			}
			if (aString.charAt(percentInd + 1) == '{')
			{
				// This is a bracketed placeholder.  The replacement parameter
				// is contained within the {}
				currentInd = aString.indexOf('}', percentInd + 1) + 1;
				final String replacement = aString.substring(percentInd + 1, currentInd);
				// For the time being we will only support numerics here.
				try
				{
					Integer.parseInt(replacement);
				}
				catch (NumberFormatException nfe)
				{
					Logging.errorPrintLocalised(
						"Errors.Description.InvalidVariableReplacement", replacement); //$NON-NLS-1$
				}
				theComponents.add(VAR_MARKER + replacement);
			}
			else if (aString.charAt(percentInd + 1) == '%')
			{
				// This is an escape sequence so we can actually print a %
				currentInd = percentInd + 2;
				theComponents.add("%"); //$NON-NLS-1$
			}
			else
			{
				// In this case we have an unbracketed placeholder.  We will
				// walk the string until such time as we no longer have a number
				currentInd = percentInd + 1;
				while (currentInd < aString.length())
				{
					final char val = aString.charAt(currentInd);
					try
					{
						Integer.parseInt(String.valueOf(val));
						currentInd++;
					}
					catch (NumberFormatException nfe)
					{
						break;
					}
				}