/**
* Serializes the {@code messages} into the stream using the given schema with the supplied
* buffer.
*/
public static <T> void writeListTo(
OutputStream out, List<T> messages, Schema<T> schema, boolean numeric, LinkedBuffer buffer)
throws IOException {
if (buffer.start != buffer.offset)
throw new IllegalArgumentException("Buffer previously used and had not been reset.");
if (messages.isEmpty()) {
System.arraycopy(EMPTY_ARRAY, 0, buffer.buffer, buffer.offset, EMPTY_ARRAY.length);
buffer.offset += EMPTY_ARRAY.length;
return;
}
final JsonXOutput output = new JsonXOutput(buffer, out, numeric, schema);
output.writeStartArray();
boolean first = true;
for (T m : messages) {
if (first) {
first = false;
output.writeStartObject();
} else output.writeCommaAndStartObject();
schema.writeTo(output, m);
if (output.isLastRepeated()) output.writeEndArray();
output.writeEndObject().clear(false);
}
output.writeEndArray();
LinkedBuffer.writeTo(out, buffer);
}
private static LinkedBuffer writeUTF8Escaped(
final String str, final WriteSink sink, final WriteSession session, LinkedBuffer lb)
throws IOException {
final int len = str.length();
if (len == 0) return lb;
byte[] buffer = lb.buffer;
int limit = buffer.length, offset = lb.offset, size = len;
for (int i = 0; i < len; i++) {
final char c = str.charAt(i);
if (c < 0x0080) {
final int escape = sOutputEscapes[c];
// System.out.print(c + "|" + escape + " ");
if (escape == 0) {
// nothing to escape
if (offset == limit) {
lb.offset = offset;
lb = sink.drain(session, lb);
offset = lb.offset;
buffer = lb.buffer;
limit = buffer.length;
}
// ascii
buffer[offset++] = (byte) c;
} else if (escape < 0) {
// hex escape
if (offset + 6 > limit) {
lb.offset = offset;
lb = sink.drain(session, lb);
offset = lb.offset;
buffer = lb.buffer;
limit = buffer.length;
}
final int value = -(escape + 1);
buffer[offset++] = (byte) '\\';
buffer[offset++] = (byte) 'u';
buffer[offset++] = (byte) '0';
buffer[offset++] = (byte) '0';
buffer[offset++] = HEX_BYTES[value >> 4];
buffer[offset++] = HEX_BYTES[value & 0x0F];
size += 5;
} else {
if (offset + 2 > limit) {
lb.offset = offset;
lb = sink.drain(session, lb);
offset = lb.offset;
buffer = lb.buffer;
limit = buffer.length;
}
buffer[offset++] = (byte) '\\';
buffer[offset++] = (byte) escape;
size++;
}
} else if (c < 0x0800) {
if (offset + 2 > limit) {
lb.offset = offset;
lb = sink.drain(session, lb);
offset = lb.offset;
buffer = lb.buffer;
limit = buffer.length;
}
buffer[offset++] = (byte) (0xC0 | ((c >> 6) & 0x1F));
buffer[offset++] = (byte) (0x80 | ((c >> 0) & 0x3F));
size++;
} else {
if (offset + 3 > limit) {
lb.offset = offset;
lb = sink.drain(session, lb);
offset = lb.offset;
buffer = lb.buffer;
limit = buffer.length;
}
buffer[offset++] = (byte) (0xE0 | ((c >> 12) & 0x0F));
buffer[offset++] = (byte) (0x80 | ((c >> 6) & 0x3F));
buffer[offset++] = (byte) (0x80 | ((c >> 0) & 0x3F));
size += 2;
}
}
session.size += size;
lb.offset = offset;
return lb;
}