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Handle null values while parsing double and float #57

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Handle null values while parsing double and float #57

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9 changes: 9 additions & 0 deletions src/main/java/org/simdjson/NumberParser.java
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Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,7 @@ float parseFloat(byte[] buffer, int len, int offset) {
currentIdx = digitsParsingResult.currentIdx();
int digitCount = currentIdx - digitsStartIdx;
if (digitCount == 0) {
if (checkIfNull(buffer, len, offset)) return Float.NaN;
throw new JsonParsingException("Invalid number. Minus has to be followed by a digit.");
}
if ('0' == buffer[digitsStartIdx] && digitCount > 1) {
Expand Down Expand Up @@ -273,6 +274,7 @@ float parseFloat(byte[] buffer, int len, int offset) {
currentIdx = digitsParsingResult.currentIdx();
int digitCount = currentIdx - digitsStartIdx;
if (digitCount == 0) {
if (checkIfNull(buffer, len, offset)) return Double.NaN;
throw new JsonParsingException("Invalid number. Minus has to be followed by a digit.");
}
if ('0' == buffer[digitsStartIdx] && digitCount > 1) {
Expand Down Expand Up @@ -360,4 +362,11 @@ int currentIdx() {
return currentIdx;
}
}

private boolean checkIfNull(byte[] buffer, int len, int offset) {
boolean statsWithN = buffer[offset] == 'n' || buffer[offset] == 'N';
boolean endsWithL = buffer[offset + 3] == 'l' || buffer[offset + 3] == 'L';
return statsWithN && endsWithL;
}

}