/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  com.mojang.brigadier.StringReader
 *  com.mojang.brigadier.exceptions.CommandSyntaxException
 *  org.jspecify.annotations.Nullable
 */
package net.minecraft.util.parsing.packrat.commands;

import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import net.minecraft.util.parsing.packrat.DelayedException;
import net.minecraft.util.parsing.packrat.ParseState;
import net.minecraft.util.parsing.packrat.Rule;
import org.jspecify.annotations.Nullable;

public abstract class NumberRunParseRule
implements Rule<StringReader, String> {
    private final DelayedException<CommandSyntaxException> noValueError;
    private final DelayedException<CommandSyntaxException> underscoreNotAllowedError;

    public NumberRunParseRule(DelayedException<CommandSyntaxException> noValueError, DelayedException<CommandSyntaxException> underscoreNotAllowedError) {
        this.noValueError = noValueError;
        this.underscoreNotAllowedError = underscoreNotAllowedError;
    }

    @Override
    public @Nullable String parse(ParseState<StringReader> state) {
        int start;
        int pos;
        StringReader input = state.input();
        input.skipWhitespace();
        String fullString = input.getString();
        for (pos = start = input.getCursor(); pos < fullString.length() && this.isAccepted(fullString.charAt(pos)); ++pos) {
        }
        int length = pos - start;
        if (length == 0) {
            state.errorCollector().store(state.mark(), this.noValueError);
            return null;
        }
        if (fullString.charAt(start) == '_' || fullString.charAt(pos - 1) == '_') {
            state.errorCollector().store(state.mark(), this.underscoreNotAllowedError);
            return null;
        }
        input.setCursor(pos);
        return fullString.substring(start, pos);
    }

    protected abstract boolean isAccepted(char var1);
}