132 lines
4.2 KiB
C++
132 lines
4.2 KiB
C++
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2.0,
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* as published by the Free Software Foundation.
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*
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* This program is also distributed with certain software (including
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* but not limited to OpenSSL) that is licensed under separate terms,
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* as designated in a particular file or component or in included license
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* documentation. The authors of MySQL hereby grant you an additional
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* permission to link the program and your derivative works with the
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* separately licensed software that they have included with MySQL.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License, version 2.0, for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include <sstream>
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#include <string>
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#include <vector>
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#include "../coders/protocol_fwd.h"
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#include "../utility/error.h"
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#include "identifier.h"
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#include "raw_binary.h"
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#include "raw_string.h"
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namespace polarx_rpc {
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class Getter_any {
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public:
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template <typename Functor>
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static void put_scalar_value_to_functor(const ::Polarx::Datatypes::Any &any,
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Functor &functor) {
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if (!any.has_type())
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throw err_t(ER_POLARX_RPC_ERROR_MSG, "Invalid data, expecting type");
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if (::Polarx::Datatypes::Any::SCALAR != any.type())
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throw err_t(ER_POLARX_RPC_ERROR_MSG, "Invalid data, expecting scalar");
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using ::Polarx::Datatypes::Scalar;
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const Scalar &scalar = any.scalar();
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switch (scalar.type()) {
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case Scalar::V_SINT:
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throw_invalid_type_if_false(scalar, scalar.has_v_signed_int());
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functor(scalar.v_signed_int());
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break;
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case Scalar::V_UINT:
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throw_invalid_type_if_false(scalar, scalar.has_v_unsigned_int());
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functor(scalar.v_unsigned_int());
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break;
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case Scalar::V_NULL:
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functor();
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break;
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case Scalar::V_OCTETS: {
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throw_invalid_type_if_false(scalar, scalar.has_v_octets() &&
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scalar.v_octets().has_value());
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RawBinary raw_binary(scalar.v_octets().value());
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functor(raw_binary);
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} break;
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case Scalar::V_DOUBLE:
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throw_invalid_type_if_false(scalar, scalar.has_v_double());
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functor(scalar.v_double());
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break;
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case Scalar::V_FLOAT:
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throw_invalid_type_if_false(scalar, scalar.has_v_float());
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functor(scalar.v_float());
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break;
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case Scalar::V_BOOL:
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throw_invalid_type_if_false(scalar, scalar.has_v_bool());
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functor(scalar.v_bool());
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break;
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case Scalar::V_IDENTIFIER: {
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throw_invalid_type_if_false(scalar, scalar.has_v_identifier());
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Identifier identifier(scalar.v_identifier().value());
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functor(identifier);
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} break;
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case Scalar::V_RAW_STRING: {
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throw_invalid_type_if_false(scalar, scalar.has_v_string() &&
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scalar.v_string().has_value());
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RawString raw_string(scalar.v_string().value());
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functor(raw_string);
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} break;
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case Scalar::V_STRING: {
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// XXX
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// implement char-set handling
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const bool is_valid =
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scalar.has_v_string() && scalar.v_string().has_value();
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throw_invalid_type_if_false(scalar, is_valid);
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functor(scalar.v_string().value());
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} break;
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default:
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throw err_t::Error(ER_POLARX_RPC_ERROR_MSG, "Invalid ScalarType: %d",
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scalar.type());
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}
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}
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private:
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static void
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throw_invalid_type_if_false(const ::Polarx::Datatypes::Scalar &scalar,
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const bool is_valid) {
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if (!is_valid)
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throw err_t::Error(ER_POLARX_RPC_ERROR_MSG,
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"Missing field required for ScalarType: %d",
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scalar.type());
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}
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};
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} // namespace polarx_rpc
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