public ParserResult parse(String source) {
List<String> inputList = Arrays.asList(source.split("\n", -1));
ListIterator<String> inputIterator = inputList.listIterator();
while (inputIterator.hasNext()) {
String line = inputIterator.next();
if (line.isEmpty() || line.matches(PlotConstants.REGEX_COMMENT)) {
/* ignore empty lines and comments */
} else if (line.matches(PlotConstants.REGEX_PLOT)) {
parserResult.addPlotState(createPlotStateObject(line.split(" "), inputIterator));
} else if (line.matches(PlotConstants.REGEX_PLOT_ADD)) {
List<PlotState> plotStates = parserResult.getPlotStateList();
if (plotStates.isEmpty()) {
// if no plotStates, create a new one
parserResult.addPlotState(createPlotStateObject(line.split(" "), inputIterator));
} else {
// if plots exist, add new plotState to last plotState
PlotState last = plotStates.get(plotStates.size() - 1);
last.addSubPlot(createPlotStateObject(line.split(" "), inputIterator));
}
} else if (line.matches(PlotConstants.REGEX_DATA)) {
createDatasetObject(line.split(" "), inputIterator);
} else if (line.matches(PlotConstants.REGEX_DATA_GUESS)) {
inputIterator
.previous(); // Must go 1 step back to avoid skipping the first line in
// createDatasetObject
createDatasetObject(new String[] {PlotConstants.DATA}, inputIterator);
} else if (line.matches(PlotConstants.REGEX_VALUE_ASSIGNMENT)) {
createKeyValueAssignment(line, inputIterator.nextIndex());
} else {
throw new ParserException(
"Invalid line: " + line + "(line: " + inputIterator.nextIndex() + ")");
}
}
analyseDatasets();
addDatasetsToPlotStates();
return parserResult;
}
