bool
Parser::parseFile(const string &filename)
{
FILE *f = fopen(filename.c_str(), "rt");
if (!f)
return false;
jsonsl_t jsn = jsonsl_new(0x1000);
jsonsl_enable_all_callbacks(jsn);
jsn->action_callback = jsonslAction;
jsn->error_callback = jsonslError;
Parser parser;
jsn->data = &parser;
const size_t bufferSize = 4096;
char buffer[bufferSize];
for (;;)
{
size_t n = fread(buffer,1,bufferSize,f);
jsonsl_feed(jsn, buffer, n);
if (n<bufferSize)
break;
}
jsonsl_destroy(jsn);
fclose(f);
return true;
}
void
lcbvrow_reset(lcbvrow_PARSER* ctx)
{
/**
* We create a copy, and set its relevant fields. All other
* fields are zeroed implicitly. Then we copy the object back.
*/
jsonsl_reset(ctx->jsn);
jsonsl_reset(ctx->jsn_rdetails);
lcb_string_clear(&ctx->current_buf);
lcb_string_clear(&ctx->meta_buf);
lcb_string_clear(&ctx->last_hk);
/* Initially all callbacks are enabled so that we can search for the
* rows array. */
ctx->jsn->action_callback_POP = initial_pop_callback;
ctx->jsn->action_callback_PUSH = initial_push_callback;
ctx->jsn->error_callback = parse_error_callback;
ctx->jsn->max_callback_level = 4;
ctx->jsn->data = ctx;
jsonsl_enable_all_callbacks(ctx->jsn);
ctx->have_error = 0;
ctx->initialized = 0;
ctx->meta_complete = 0;
ctx->rowcount = 0;
ctx->min_pos = 0;
ctx->keep_pos = 0;
ctx->header_len = 0;
ctx->last_row_endpos = 0;
}
bson_t * sepia_read_json(struct sepia_request * request, int * error)
{
jsonsl_t parser = jsonsl_new(MAX_NESTING_LEVEL);
jsonsl_enable_all_callbacks(parser);
parser->action_callback = on_stack_change;
parser->error_callback = on_error;
char * buffer = GC_MALLOC(BUFFER_SIZE);
struct bson_state state;
state.cur_entry = -1;
state.error = JSONSL_ERROR_SUCCESS;
state.entry[0].bson = NULL;
state.text = buffer;
parser->data = &state;
int read;
do {
read = sepia_read_data(request, buffer, BUFFER_SIZE);
jsonsl_feed(parser, buffer, read);
} while (read > 0);
if (error != NULL) {
* error = state.error;
}
jsonsl_destroy(parser);
return (state.cur_entry == -1 && state.error == JSONSL_ERROR_SUCCESS) ? state.entry[0].bson : NULL;
}
bool
Parser::parseString(const char *json)
{
jsonsl_t jsn = jsonsl_new(0x1000);
jsonsl_enable_all_callbacks(jsn);
jsn->action_callback = jsonslAction;
jsn->error_callback = jsonslError;
Parser parser;
jsn->data = &parser;
jsonsl_feed(jsn, json, strlen(json));
jsonsl_destroy(jsn);
return true;
}
void
lcbvrow_parse_row(lcbvrow_PARSER *vp, lcbvrow_ROW *vr)
{
miniparse_ctx ctx = { NULL };
ctx.datum = vr;
ctx.root = vr->row.iov_base;
jsonsl_reset(vp->jsn_rdetails);
jsonsl_enable_all_callbacks(vp->jsn_rdetails);
vp->jsn_rdetails->max_callback_level = 3;
vp->jsn_rdetails->action_callback_POP = miniparse_callback;
vp->jsn_rdetails->data = &ctx;
jsonsl_feed(vp->jsn_rdetails, vr->row.iov_base, vr->row.iov_len);
}
void
lcbex_vrow_reset(lcbex_vrow_ctx_t* ctx)
{
/**
* We create a copy, and set its relevant fields. All other
* fields are zeroed implicitly. Then we copy the object back.
*/
lcbex_vrow_ctx_t ctx_copy = { 0 };
jsonsl_reset(ctx->jsn);
buffer_reset(&ctx->current_buf, 0);
buffer_reset(&ctx->meta_buf, 0);
buffer_reset(&ctx->last_hk, 0);
/**
* Initially all callbacks are enabled so that we can search for the
* rows array.
*/
ctx->jsn->action_callback_POP = initial_pop_callback;
ctx->jsn->action_callback_PUSH = initial_push_callback;
ctx->jsn->error_callback = parse_error_callback;
ctx->jsn->max_callback_level = 4;
ctx->jsn->data = ctx;
jsonsl_enable_all_callbacks(ctx->jsn);
ctx_copy.jsn = ctx->jsn;
ctx_copy.user_cookie = ctx->user_cookie;
ctx_copy.callback = ctx->callback;
ctx_copy.jpr = ctx->jpr;
ctx_copy.current_buf = ctx->current_buf;
ctx_copy.meta_buf = ctx->meta_buf;
ctx_copy.last_hk = ctx->last_hk;
*ctx = ctx_copy;
}
