@Override
public void print(
ChronoDisplay formattable,
Appendable buffer,
AttributeQuery attributes,
Set<ElementPosition> positions, // optional
FormatStep step)
throws IOException {
if (buffer instanceof CharSequence) {
CharSequence cs = (CharSequence) buffer;
int offset = cs.length();
this.element.print(formattable, buffer, step.getQuery(attributes));
if (positions != null) {
positions.add(new ElementPosition(this.element, offset, cs.length()));
}
} else {
this.element.print(formattable, buffer, step.getQuery(attributes));
}
}
@Override
public void parse(
CharSequence text,
ParseLog status,
AttributeQuery attributes,
Map<ChronoElement<?>, Object> parsedResult,
FormatStep step) {
int start = status.getPosition();
int len = text.length();
int protectedChars =
step.getAttribute(Attributes.PROTECTED_CHARACTERS, attributes, 0).intValue();
if (protectedChars > 0) {
len -= protectedChars;
}
if (start >= len) {
status.setError(start, "Missing chars for: " + this.element.name());
status.setWarning();
return;
}
TextElement<?> te = TextElement.class.cast(this.element);
Object value = te.parse(text, status.getPP(), step.getQuery(attributes));
if (status.isError()) {
Class<V> valueType = this.element.getType();
if (valueType.isEnum()) {
status.setError(status.getErrorIndex(), "No suitable enum found: " + valueType.getName());
}
} else {
if (value == null) {
status.setError(start, "No interpretable value.");
} else {
parsedResult.put(this.element, value);
}
}
}
@Override
public void print(
ChronoDisplay formattable,
Appendable buffer,
AttributeQuery attributes,
Set<ElementPosition> positions, // optional
FormatStep step)
throws IOException {
BigDecimal value = toDecimal(formattable.get(this.element));
BigDecimal min = toDecimal(formattable.getMinimum(this.element));
BigDecimal max = toDecimal(formattable.getMaximum(this.element));
if (value.compareTo(max) > 0) {
value = max;
}
BigDecimal fraction =
value.subtract(min).divide(max.subtract(min).add(BigDecimal.ONE), 9, RoundingMode.FLOOR);
fraction =
((fraction.compareTo(BigDecimal.ZERO) == 0)
? BigDecimal.ZERO
: fraction.stripTrailingZeros());
char zeroDigit =
step.getAttribute(Attributes.ZERO_DIGIT, attributes, Character.valueOf('0')).charValue();
int start = -1;
int printed = 0;
if (buffer instanceof CharSequence) {
start = ((CharSequence) buffer).length();
}
if (fraction.scale() == 0) {
// scale ist 0, wenn value das Minimum ist
if (this.minDigits > 0) {
if (this.hasDecimalSeparator()) {
this.decimalSeparator.print(formattable, buffer, attributes, positions, step);
printed++;
}
for (int i = 0; i < this.minDigits; i++) {
buffer.append(zeroDigit);
}
printed += this.minDigits;
}
} else {
if (this.hasDecimalSeparator()) {
this.decimalSeparator.print(formattable, buffer, attributes, positions, step);
printed++;
}
int outputScale = Math.min(Math.max(fraction.scale(), this.minDigits), this.maxDigits);
fraction = fraction.setScale(outputScale, RoundingMode.FLOOR);
String digits = fraction.toPlainString();
int diff = zeroDigit - '0';
for (int i = 2, n = digits.length(); i < n; i++) {
char c = (char) (digits.charAt(i) + diff);
buffer.append(c);
printed++;
}
}
if ((start != -1) && (printed > 1) && (positions != null)) {
positions.add( // Zählung ohne Dezimaltrennzeichen
new ElementPosition(this.element, start + 1, start + printed));
}
}
@Override
public void parse(
CharSequence text,
ParseLog status,
AttributeQuery attributes,
Map<ChronoElement<?>, Object> parsedResult,
FormatStep step) {
Leniency leniency = step.getAttribute(Attributes.LENIENCY, attributes, Leniency.SMART);
int effectiveMin = 0;
int effectiveMax = 9;
if (!leniency.isLax() || this.fixedWidth) {
effectiveMin = this.minDigits;
effectiveMax = this.maxDigits;
}
int len = text.length();
if (status.getPosition() >= len) {
if (effectiveMin > 0) {
status.setError(
status.getPosition(), "Expected fraction digits not found for: " + this.element.name());
}
return;
}
if (this.hasDecimalSeparator()) {
this.decimalSeparator.parse(text, status, attributes, null, step);
if (status.isError()) {
if (effectiveMin == 0) {
status.clearError();
}
return;
}
}
int current = status.getPosition();
int minEndPos = current + effectiveMin;
int maxEndPos = Math.min(current + effectiveMax, len);
if (minEndPos > len) {
status.setError(status.getPosition(), "Expected at least " + effectiveMin + " digits.");
return;
}
char zeroDigit =
step.getAttribute(Attributes.ZERO_DIGIT, attributes, Character.valueOf('0')).charValue();
long total = 0;
while (current < maxEndPos) {
int digit = text.charAt(current) - zeroDigit;
if ((digit >= 0) && (digit <= 9)) {
total = total * 10 + digit;
current++;
} else if (current < minEndPos) {
status.setError(status.getPosition(), "Expected at least " + effectiveMin + " digits.");
return;
} else {
break;
}
}
BigDecimal fraction = new BigDecimal(total);
fraction = fraction.movePointLeft(current - status.getPosition());
if (this.element.name().equals("NANO_OF_SECOND")) {
Integer min = Integer.valueOf(0);
Integer max = MRD_MINUS_1;
Integer num = this.getRealValue(fraction, min, max);
parsedResult.put(this.element, num);
} else {
// hier nur prototypischer Wert, später fraktionalen Wert bestimmen
parsedResult.put(FractionalElement.FRACTION, fraction);
parsedResult.put(this.element, this.element.getDefaultMinimum());
}
status.setPosition(current);
}