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package bjc.utils.ioutils.format.directives;
import java.io.*;
import java.util.*;
import bjc.utils.ioutils.format.*;
import bjc.utils.math.*;
import static bjc.utils.ioutils.format.directives.GeneralNumberDirective.NumberParams;
/**
* Implements radix based numbers.
*
* @author student
*
*/
public class NumberDirective extends GeneralNumberDirective {
/**
* Create a new radix based number directive.
*
* @param argidx
* The argument offset to use.
* @param radix
* The radix of the number to use.
* @param directive
* The character that marks this directive.
*/
public NumberDirective(int argidx, int radix, char directive) {
this.argidx = argidx;
this.radix = radix;
this.directive = directive;
}
private int argidx;
private int radix;
private char directive;
@Override
public Edict compile(CompileContext compCTX) {
NumberParams np = getParams(compCTX, argidx);
return new NumberEdict(radix, directive, argidx, np);
}
}
class NumberEdict implements Edict {
private int radix;
private String directive;
private NumberParams np;
public NumberEdict(int radix, char directive, int argidx, NumberParams np) {
this.radix = radix;
this.directive = Character.toString(directive);
this.np = np;
}
@Override
public void format(FormatContext formCTX) throws IOException {
Object item = formCTX.items.item();
CLFormatter.checkItem(item, directive.charAt(0));
if (!(item instanceof Number)) {
throw new IllegalFormatConversionException(directive.charAt(0),
item.getClass());
}
long val = ((Number) item).longValue();
int mincol = np.mincol.asInt(formCTX.items, "minimum column count", directive, 0);
char padchar = np.padchar.asChar(formCTX.items, "padding character", directive, ' ');
boolean signed = np.signed;
String res;
if (np.commaMode) {
char commaChar = np.commaChar.asChar(formCTX.items, "comma character",
directive, ',');
int commaInterval = np.commaInterval.asInt(formCTX.items, "comma interval",
directive, 0);
res = NumberUtils.toCommaString(val, mincol, padchar, commaInterval,
commaChar, signed, radix);
} else {
res = NumberUtils.toNormalString(val, mincol, padchar, signed, radix);
}
formCTX.writer.write(res);
formCTX.items.right();
}
}
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