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refactor: add strong types to public API (#414)

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This introduces strong types for `std::string`-based D-Bus types. This facilitates safer, less error-prone and more expressive API.

What previously was `auto proxy = createProxy("org.sdbuscpp.concatenator", "/org/sdbuscpp/concatenator");` is now written like `auto proxy = createProxy(ServiceName{"org.sdbuscpp.concatenator"}, ObjectPath{"/org/sdbuscpp/concatenator"});`.

These types are:
  * `ObjectPath` type for the object path (the type has been around already but now is also used consistently in sdbus-c++ API for object path strings),
  * `InterfaceName` type for D-Bus interface names,
  * `BusName` (and its aliases `ServiceName` and `ConnectionName`) type for bus/service/connection names,
  * `MemberName` (and its aliases `MethodName`, `SignalName` and `PropertyName`) type for D-Bus method, signal and property names,
  * `Signature` type for the D-Bus signature (the type has been around already but now is also used consistently in sdbus-c++ API for signature strings),
  * `Error::Name` type for D-Bus error names.
This commit is contained in:
Stanislav Angelovič
2024-04-24 20:20:29 +02:00
parent fe21ee9656
commit 42f0bd07c0
60 changed files with 1085 additions and 621 deletions
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tests/integrationtests/Defs.h
+11 -8
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@@ -34,12 +34,15 @@
namespace sdbus { namespace test {
const std::string INTERFACE_NAME{"org.sdbuscpp.integrationtests"};
const std::string BUS_NAME = INTERFACE_NAME;
const std::string EMPTY_DESTINATION;
const std::string MANAGER_PATH {"/org/sdbuscpp/integrationtests"};
const std::string OBJECT_PATH {"/org/sdbuscpp/integrationtests/ObjectA1"};
const std::string OBJECT_PATH_2{"/org/sdbuscpp/integrationtests/ObjectB1"};
const InterfaceName INTERFACE_NAME{"org.sdbuscpp.integrationtests"};
const ServiceName SERVICE_NAME{"org.sdbuscpp.integrationtests"};
const ServiceName EMPTY_DESTINATION;
const ObjectPath MANAGER_PATH {"/org/sdbuscpp/integrationtests"};
const ObjectPath OBJECT_PATH {"/org/sdbuscpp/integrationtests/ObjectA1"};
const ObjectPath OBJECT_PATH_2{"/org/sdbuscpp/integrationtests/ObjectB1"};
const PropertyName STATE_PROPERTY{"state"};
const PropertyName ACTION_PROPERTY{"action"};
const PropertyName BLOCKING_PROPERTY{"blocking"};
const std::string DIRECT_CONNECTION_SOCKET_PATH{std::filesystem::temp_directory_path() / "sdbus-cpp-direct-connection-test"};
constexpr const uint8_t UINT8_VALUE{1};
@@ -49,8 +52,8 @@ constexpr const int32_t INT32_VALUE{-42};
constexpr const int32_t INT64_VALUE{-1024};
const std::string STRING_VALUE{"sdbus-c++-testing"};
const sdbus::Signature SIGNATURE_VALUE{"a{is}"};
const sdbus::ObjectPath OBJECT_PATH_VALUE{"/"};
const Signature SIGNATURE_VALUE{"a{is}"};
const ObjectPath OBJECT_PATH_VALUE{"/"};
const int UNIX_FD_VALUE = 0;
const std::string DEFAULT_STATE_VALUE{"default-state-value"};