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Code Issues 198 Packages Projects Releases 10 Wiki Activity

Support _ in String[toInt|toIntOrNull|toFloat|toFloatOrNull] (#580)

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The logic is the same as the Pkl parser
This commit is contained in:
Islon Scherer
2024-07-16 19:24:59 +02:00
committed by GitHub
parent b5e011dae1
commit 24cc95abcc
3 changed files with 37 additions and 6 deletions
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27
pkl-core/src/main/java/org/pkl/core/stdlib/base/StringNodes.java
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@@ -768,7 +768,7 @@ public final class StringNodes {
@Specialization
protected long eval(String self) {
try {
return Long.parseLong(self.replaceAll("_", ""));
return Long.parseLong(removeUnderlinesFromNumber(self));
} catch (NumberFormatException e) {
throw exceptionBuilder()
.evalError("cannotParseStringAs", "Int")
@@ -783,7 +783,7 @@ public final class StringNodes {
@Specialization
protected Object eval(String self) {
try {
return Long.parseLong(self.replaceAll("_", ""));
return Long.parseLong(removeUnderlinesFromNumber(self));
} catch (NumberFormatException e) {
return VmNull.withoutDefault();
}
@@ -795,7 +795,7 @@ public final class StringNodes {
@Specialization
protected double eval(String self) {
try {
return Double.parseDouble(self);
return Double.parseDouble(removeUnderlinesFromNumber(self));
} catch (NumberFormatException e) {
throw exceptionBuilder()
.evalError("cannotParseStringAs", "Float")
@@ -810,7 +810,7 @@ public final class StringNodes {
@Specialization
protected Object eval(String self) {
try {
return Double.parseDouble(self);
return Double.parseDouble(removeUnderlinesFromNumber(self));
} catch (NumberFormatException e) {
return VmNull.withoutDefault();
}
@@ -934,4 +934,23 @@ public final class StringNodes {
var replacement = mapper.applyString(regexMatch);
return Matcher.quoteReplacement(replacement);
}
/**
* Removes `_` from numbers to be parsed to be compatible with how Pkl parses numbers. Will return
* the string unmodified if it's invalid.
*/
private static String removeUnderlinesFromNumber(String number) {
var builder = new StringBuilder();
var numberStart = true;
for (var i = 0; i < number.length(); i++) {
var c = number.charAt(i);
if (c != '_') {
builder.append(c);
} else if (numberStart) return number;
numberStart = c == '.' || c == 'e' || c == 'E';
}
return builder.toString();
}
}