static void
feed_data(lcbex_vrow_ctx_t *ctx, const char *data, size_t ndata)
{
size_t old_len = ctx->current_buf.len;
buffer_append(&ctx->current_buf, data, ndata);
jsonsl_feed(ctx->jsn, ctx->current_buf.s + old_len, ndata);
/**
* Do we need to cut off some bytes?
*/
if (ctx->keep_pos > ctx->min_pos) {
size_t lentmp, diff = ctx->keep_pos - ctx->min_pos;
const char *buf = get_buffer_region(ctx,
ctx->keep_pos, -1, &lentmp);
memmove(ctx->current_buf.s,
buf,
ctx->current_buf.len - diff);
ctx->current_buf.len -= diff;
}
ctx->min_pos = ctx->keep_pos;
}
static void
row_pop_callback(jsonsl_t jsn,
jsonsl_action_t action,
struct jsonsl_state_st *state,
const jsonsl_char_t *at)
{
lcbex_vrow_ctx_t *ctx = (lcbex_vrow_ctx_t*)jsn->data;
const char *rowbuf;
size_t szdummy;
if (ctx->have_error) {
return;
}
ctx->keep_pos = state->pos_cur;
ctx->last_row_endpos = state->pos_cur;
ctx->rowcount++;
if (state->data == JOBJ_ROWSET) {
/* don't care anymore.. */
jsn->action_callback_POP = trailer_pop_callback;
jsn->action_callback_PUSH = NULL;
return;
}
/* must be a JSON object! */
if (!ctx->callback) {
return;
}
rowbuf = get_buffer_region(ctx, state->pos_begin, -1, &szdummy);
{
/**
* Create our context..
*/
lcbex_vrow_datum_t dt = { 0 };
dt.type = LCBEX_VROW_ROW;
dt.data = rowbuf;
dt.ndata = state->pos_cur - state->pos_begin + 1;
ctx->callback(ctx, ctx->user_cookie, &dt);
}
(void)action;
(void)at;
}
static void
row_pop_callback(jsonsl_t jsn, jsonsl_action_t action,
struct jsonsl_state_st *state, const jsonsl_char_t *at)
{
lcbvrow_ROW dt = { 0 };
lcbvrow_PARSER *ctx = jsn->data;
const char *rowbuf;
size_t szdummy;
if (ctx->have_error) {
return;
}
ctx->keep_pos = jsn->pos;
ctx->last_row_endpos = jsn->pos;
if (state->data == JOBJ_ROWSET) {
/** The closing ] of "rows" : [ ... ] */
jsn->action_callback_POP = trailer_pop_callback;
jsn->action_callback_PUSH = NULL;
if (ctx->rowcount == 0) {
/* Emulate what meta_header_complete callback does. */
/* While the entire meta is available to us, the _closing_ part
* of the meta is handled in a different callback. */
buffer_append(&ctx->meta_buf, jsn->base, jsn->pos);
ctx->header_len = jsn->pos;
}
return;
}
ctx->rowcount++;
if (!ctx->callback) {
return;
}
rowbuf = get_buffer_region(ctx, state->pos_begin, -1, &szdummy);
dt.type = LCB_VRESP_ROW;
dt.row.iov_base = (void *)rowbuf;
dt.row.iov_len = jsn->pos - state->pos_begin + 1;
ctx->callback(ctx, &dt);
(void)action; (void)at;
}
static void
feed_data(lcbjsp_PARSER *ctx, const char *data, size_t ndata)
{
size_t old_len = ctx->current_buf.nused;
buffer_append(&ctx->current_buf, data, ndata);
jsonsl_feed(ctx->jsn, ctx->current_buf.base + old_len, ndata);
/* Do we need to cut off some bytes? */
if (ctx->keep_pos > ctx->min_pos) {
size_t lentmp, diff = ctx->keep_pos - ctx->min_pos;
const char *buf = get_buffer_region(ctx, ctx->keep_pos, -1, &lentmp);
memmove(ctx->current_buf.base, buf, ctx->current_buf.nused - diff);
ctx->current_buf.nused -= diff;
}
ctx->min_pos = ctx->keep_pos;
}
/**
* Consolidate the meta data into a single parsable string..
*/
static void
combine_meta(lcbvrow_PARSER *ctx)
{
const char *meta_trailer;
size_t ntrailer;
if (ctx->meta_complete) {
return;
}
assert(ctx->header_len <= ctx->meta_buf.nused);
/* Adjust the length for the first portion */
ctx->meta_buf.nused = ctx->header_len;
/* Append any trailing data */
meta_trailer = get_buffer_region(ctx, ctx->last_row_endpos, -1, &ntrailer);
buffer_append(&ctx->meta_buf, meta_trailer, ntrailer);
ctx->meta_complete = 1;
}
