/**
* Indents the next text.
*
* @throws IOException I/O exception
*/
protected void indent() throws IOException {
if (indent) {
out.print('\n');
final int ls = level * indents;
for (int l = 0; l < ls; l++) out.print(tab);
}
}
/**
* Constructor.
*
* @param os output stream
* @param sopts serializer options
* @throws QueryIOException query I/O exception
*/
protected OutputSerializer(final OutputStream os, final SerializerOptions sopts)
throws QueryIOException {
this.sopts = sopts;
indent = sopts.yes(INDENT);
// project-specific options
indents = sopts.get(INDENTS);
tab = sopts.yes(TABULATOR) ? '\t' : ' ';
encoding = Strings.normEncoding(sopts.get(ENCODING), true);
PrintOutput po;
if (encoding == Strings.UTF8) {
po = PrintOutput.get(os);
} else {
try {
po = new EncoderOutput(os, Charset.forName(encoding));
} catch (final Exception ex) {
throw SERENCODING_X.getIO(encoding);
}
}
final int limit = sopts.get(LIMIT);
if (limit != -1) po.setLimit(limit);
final byte[] nl = token(sopts.get(NEWLINE).newline());
if (nl.length != 1 || nl[0] != '\n') po = new NewlineOutput(po, nl);
out = po;
}
/**
* Returns a hex entity for the specified codepoint.
*
* @param cp codepoint
* @throws IOException I/O exception
*/
protected final void printHex(final int cp) throws IOException {
out.print("&#x");
boolean o = false;
for (int i = 3; i >= 0; i--) {
final int b = (cp >> (i << 3)) & 0xFF;
if (o || b > 0x0F) {
out.print(HEX[b >> 4]);
}
if (o || b != 0) {
out.print(HEX[b & 0xF]);
o = true;
}
}
out.print(';');
}
@Override
public void close() throws IOException {
out.flush();
}
@Override
public final boolean finished() {
return out.finished();
}
/**
* Encodes the specified codepoint before printing.
*
* @param cp codepoint to be encoded and printed
* @throws IOException I/O exception
*/
protected void printChar(final int cp) throws IOException {
out.print(cp);
}
