@Nonnull
private static List<MathType> getMathTypesByPriority() {
if (mathTypesByPriority == null) {
final List<MathType> result = Arrays.asList(MathType.values());
java.util.Collections.sort(
result,
new Comparator<MathType>() {
@Override
public int compare(MathType l, MathType r) {
return l.priority.compareTo(r.priority);
}
});
mathTypesByPriority = result;
}
return mathTypesByPriority;
}
@NotNull
@Override
public Result process(@NotNull String text) throws CalculatorParseException {
final String result;
int maxNumberOfOpenGroupSymbols = 0;
int numberOfOpenGroupSymbols = 0;
final StringBuilder text1 = new StringBuilder();
int resultOffset = 0;
final AbstractNumberBuilder numberBuilder;
if (!formatNumber) {
numberBuilder = new LiteNumberBuilder(CalculatorEngine.instance.getEngine());
} else {
numberBuilder = new NumberBuilder(CalculatorEngine.instance.getEngine());
}
for (int i = 0; i < text.length(); i++) {
MathType.Result mathType = MathType.getType(text, i, numberBuilder.isHexMode());
if (numberBuilder instanceof NumberBuilder) {
final MutableObject<Integer> numberOffset = new MutableObject<Integer>(0);
((NumberBuilder) numberBuilder).process(text1, mathType, numberOffset);
resultOffset += numberOffset.getObject();
} else {
((LiteNumberBuilder) numberBuilder).process(mathType);
}
final String match = mathType.getMatch();
switch (mathType.getMathType()) {
case open_group_symbol:
numberOfOpenGroupSymbols++;
maxNumberOfOpenGroupSymbols =
Math.max(maxNumberOfOpenGroupSymbols, numberOfOpenGroupSymbols);
text1.append(text.charAt(i));
break;
case close_group_symbol:
numberOfOpenGroupSymbols--;
text1.append(text.charAt(i));
break;
case operator:
text1.append(match);
if (match.length() > 1) {
i += match.length() - 1;
}
break;
case function:
i = processHighlightedText(text1, i, match, "i", null);
break;
case constant:
i = processHighlightedText(text1, i, match, "b", null);
break;
case numeral_base:
i = processHighlightedText(text1, i, match, "b", null);
break;
default:
if (mathType.getMathType() == MathType.text || match.length() <= 1) {
text1.append(text.charAt(i));
} else {
text1.append(match);
i += match.length() - 1;
}
}
}
if (numberBuilder instanceof NumberBuilder) {
final MutableObject<Integer> numberOffset = new MutableObject<Integer>(0);
((NumberBuilder) numberBuilder).processNumber(text1, numberOffset);
resultOffset += numberOffset.getObject();
}
if (maxNumberOfOpenGroupSymbols > 0) {
final StringBuilder text2 = new StringBuilder();
String s = text1.toString();
int i = processBracketGroup(text2, s, 0, 0, maxNumberOfOpenGroupSymbols);
for (; i < s.length(); i++) {
text2.append(s.charAt(i));
}
// Log.d(CalculatorEditor.class.getName(), text2.toString());
result = text2.toString();
} else {
result = text1.toString();
}
return new Result(result, resultOffset);
}
public int processToJscl(@Nonnull StringBuilder result, int i) throws ParseException {
return type.processToJscl(result, i, match);
}
public boolean isNeedMultiplicationSignBefore(@Nonnull MathType mathTypeBefore) {
return needMultiplicationSignBefore && mathTypeBefore.isNeedMultiplicationSignAfter();
}
@Nonnull
public static Result getType(
@Nonnull String text,
int i,
boolean hexMode,
@Nonnull Result result,
@Nonnull Engine engine) {
if (i < 0) {
throw new IllegalArgumentException("I must be more or equals to 0.");
} else if (i >= text.length() && i != 0) {
throw new IllegalArgumentException("I must be less than size of text.");
} else if (i == 0 && text.length() == 0) {
return result.set(MathType.text, text);
}
final List<MathType> mathTypes = getMathTypesByPriority();
for (int j = 0; j < mathTypes.size(); j++) {
final MathType mathType = mathTypes.get(j);
final String s = App.find(mathType.getTokens(engine), text, i);
if (s == null) {
continue;
}
if (s.length() > 1) {
if (mathType == function) {
final int nextToken = i + s.length();
if (nextToken < text.length()) {
// function must have an open group symbol after its name
if (MathType.open_group_symbol
.getTokens()
.contains(text.substring(nextToken, nextToken + 1))) {
return result.set(function, s);
}
} else if (nextToken == text.length()) {
// or its name should finish the expression
return result.set(function, s);
}
continue;
}
return result.set(mathType, s);
}
if (hexMode || JsclMathEngine.getInstance().getNumeralBase() == NumeralBase.hex) {
final Character ch = s.charAt(0);
if (NumeralBase.hex.getAcceptableCharacters().contains(ch)) {
return result.set(MathType.digit, s);
}
}
if (mathType == MathType.grouping_separator) {
if (i + 1 < text.length()
&& MathType.digit.getTokens().contains(text.substring(i + 1, i + 2))
&& i - 1 >= 0
&& MathType.digit.getTokens().contains(text.substring(i - 1, i))) {
return result.set(mathType, s);
}
continue;
}
return result.set(mathType, s);
}
return result.set(MathType.text, text.substring(i));
}