Function pni_encoder_exit

c/src/core/encoder.c:346–393

#include <stdio.h>

static int pni_encoder_exit(void *ctx, pn_data_t *data, pni_node_t *node)
{
  pn_encoder_t *encoder = (pn_encoder_t *) ctx;
  size_t pos;

  // Special case 0 length list, but not as element in an array
  pni_node_t *parent = pn_data_node(data, node->parent);
  if (node->atom.type==PN_LIST && node->children-encoder->null_count==0 && !pn_is_in_array(data, parent, node)) {
    encoder->position = node->start-1; // position of list opcode
    pn_encoder_writef8(encoder, PNE_LIST0);
    encoder->null_count = 0;
    return 0;
  }

  switch (node->atom.type) {
  case PN_ARRAY:
    if ((node->described && node->children == 1) || (!node->described && node->children == 0)) {
      pn_encoder_writef8(encoder, pn_type2code(encoder, node->type));
    }
    PN_FALLTHROUGH;
  case PN_LIST:
  case PN_MAP:
    pos = encoder->position;
    encoder->position = node->start;
    if (node->small) {
      // backfill size
      size_t size = pos - node->start - 1;
      pn_encoder_writef8(encoder, size);
      // Adjust count
      if (encoder->null_count) {
        pn_encoder_writef8(encoder, node->children-encoder->null_count);
      }
    } else {
      // backfill size
      size_t size = pos - node->start - 4;
      pn_encoder_writef32(encoder, size);
      // Adjust count
      if (encoder->null_count) {
        pn_encoder_writef32(encoder, node->children-encoder->null_count);
      }
    }
    encoder->position = pos;
    encoder->null_count = 0;
    return 0;
  default:
    return 0;
  }
}

ssize_t pn_encoder_encode(pn_encoder_t *encoder, pn_data_t *src, char *dst, size_t size)
{