Function parse_object_field

src/common/jsonapi.c:316–367

}

static JsonParseErrorType
parse_object_field(JsonLexContext *lex, JsonSemAction *sem)
{
	/*
	 * An object field is "fieldname" : value where value can be a scalar,
	 * object or array.  Note: in user-facing docs and error messages, we
	 * generally call a field name a "key".
	 */

	char	   *fname = NULL;	/* keep compiler quiet */
	json_ofield_action ostart = sem->object_field_start;
	json_ofield_action oend = sem->object_field_end;
	bool		isnull;
	JsonTokenType tok;
	JsonParseErrorType result;

	if (lex_peek(lex) != JSON_TOKEN_STRING)
		return report_parse_error(JSON_PARSE_STRING, lex);
	if ((ostart != NULL || oend != NULL) && lex->strval != NULL)
		fname = pstrdup(lex->strval->data);
	result = json_lex(lex);
	if (result != JSON_SUCCESS)
		return result;

	result = lex_expect(JSON_PARSE_OBJECT_LABEL, lex, JSON_TOKEN_COLON);
	if (result != JSON_SUCCESS)
		return result;

	tok = lex_peek(lex);
	isnull = tok == JSON_TOKEN_NULL;

	if (ostart != NULL)
		(*ostart) (sem->semstate, fname, isnull);

	switch (tok)
	{
		case JSON_TOKEN_OBJECT_START:
			result = parse_object(lex, sem);
			break;
		case JSON_TOKEN_ARRAY_START:
			result = parse_array(lex, sem);
			break;
		default:
			result = parse_scalar(lex, sem);
	}
	if (result != JSON_SUCCESS)
		return result;

	if (oend != NULL)
		(*oend) (sem->semstate, fname, isnull);
	return JSON_SUCCESS;
}

static JsonParseErrorType
parse_object(JsonLexContext *lex, JsonSemAction *sem)