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More formatting options #21

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More formatting options #21

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0fa88be
Add `format` and `formatDateTime`
Xenapte Apr 23, 2024
3cbaafd
Merge branch 'MeteorDevelopment:master' into master
Xenapte Jun 28, 2024
df7b249
fix null formatting
Xenapte Jun 28, 2024
f4251b6
add option to specify timezone
Xenapte Jun 28, 2024
07567ba
style improvements
Xenapte Jun 30, 2024
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52 changes: 52 additions & 0 deletions src/main/java/org/meteordev/starscript/StandardLib.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,11 @@
import org.meteordev.starscript.value.Value;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.IllegalFormatException;
import java.util.Random;
import java.util.TimeZone;

/** Standard library with some default functions and variables. */
public class StandardLib {
Expand Down Expand Up @@ -35,6 +38,10 @@ public static void init(Starscript ss) {
ss.set("contains", StandardLib::contains);
ss.set("replace", StandardLib::replace);
ss.set("pad", StandardLib::pad);

// Formatters
ss.set("formatDateTime", StandardLib::formatDateTime);
ss.set("format", StandardLib::format);
}

// Numbers
Expand Down Expand Up @@ -166,4 +173,49 @@ public static Value pad(Starscript ss, int argCount) {

return Value.string(new String(padded));
}

// Formatters

public static Value formatDateTime(Starscript ss, int argCount) {
if (argCount < 1 || argCount > 2) ss.error("formatTime(fmt, timezone) requires 1 to 2 arguments, got %d.", argCount);
try {
String timeZone = null;
if (argCount == 2) timeZone = ss.popString("Argument to formatTime(fmt, timezone) needs to be a string.");
String fmt = ss.popString("Argument to formatTime(fmt, timezone) needs to be a string.");
SimpleDateFormat formatter = new SimpleDateFormat(fmt);
if (timeZone != null && !timeZone.isEmpty()) formatter.setTimeZone(TimeZone.getTimeZone(timeZone));
return Value.string(formatter.format(new Date()));
}
catch (IllegalArgumentException e) {
ss.error(e.toString());
}
return Value.null_();
}

public static Value format(Starscript ss, int argCount) {
if (argCount < 1) ss.error("format(fmt, ...args) requires at least 1 argument, got %d.", argCount);
Object[] args = new Object[argCount];
for (int i = argCount - 1; i >= 1; i --) {
Value v = ss.pop();
Object o;
switch (v.type) {
case Boolean: o = v.getBool(); break;
case Number: o = v.getNumber(); break;
case String: o = v.getString(); break;
case Function: o = v.getFunction(); break;
case Map: o = v.getMap(); break;
case Null:
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instead of initializing Object o as null and simply breaking out of the switch on case Null/default, it would be more readable if o wasn't initialized to a value, but case Null/default set it to null

default: o = null; break;
}
args[i] = o;
}
String fmt = ss.popString("Argument `fmt` to format() needs to be a string.");
try {
return Value.string(String.format(fmt, args));
}
catch (IllegalFormatException e) {
ss.error(e.toString());
}
return Value.null_();
}
}