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feat: switch the default mode to safe_mode
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@@ -75,6 +75,7 @@ fabric.properties | |
| .vs/ | ||
| CMakeSettings.json | ||
| .vscode/ | ||
| .cache/ | ||
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| build/ | ||
| doxygen/ | ||
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| @@ -1,115 +1,94 @@ | ||
| #  Protocol Puffers | ||
| [](https://app.codacy.com/gh/PragmaTwice/protopuf?utm_source=github.com&utm_medium=referral&utm_content=PragmaTwice/protopuf&utm_campaign=Badge_Grade) | ||
| [](https://github.com/PragmaTwice/protopuf/actions) | ||
| [](https://github.com/microsoft/vcpkg/blob/master/ports/protopuf/vcpkg.json) | ||
| [](https://codecov.io/gh/PragmaTwice/protopuf) | ||
|
|
||
| *A little, highly templated, and protobuf-compatible serialization/deserialization library written in C++20* | ||
|
|
||
| :closed_book: [Documentation](https://protopuf.surge.sh) | ||
|
|
||
| ## Requirements | ||
|
|
||
| - a compiler and a standard library implementation with C++20 support | ||
| - GCC 11 or above, or | ||
| - Clang 12 or above, or | ||
| - MSVC 14.29 (Visual Studio 2019 Version 16.9) or above | ||
| - CMake 3 | ||
| - GoogleTest (optional, for unit tests) | ||
| - vcpkg (optional, `vcpkg install protopuf` to install) | ||
|
|
||
| ## Features | ||
|
|
||
| - Data structures are described using type in C++ instead of DSLs like the Protocol Buffer Language (`.proto`) | ||
| - Fully compatible with encoding of the Protocol Buffers, capable of mutual serialization/deserialization | ||
| - Extensive compile-time operations aimed to improving run-time performance | ||
|
|
||
| ## An Example | ||
| For the following data structure described using `.proto`: | ||
| ```proto | ||
| message Student { | ||
| uint32 id = 1; | ||
| string name = 3; | ||
| } | ||
| message Class { | ||
| string name = 8; | ||
| repeated Student students = 3; | ||
| } | ||
| ``` | ||
| We can use *protopuf* to describe it as C++ types: | ||
| ```c++ | ||
| using namespace pp; | ||
|
|
||
| using Student = message< | ||
| uint32_field<"id", 1>, | ||
| string_field<"name", 3> | ||
| >; | ||
|
|
||
| using Class = message< | ||
| string_field<"name", 8>, | ||
| message_field<"students", 3, Student, repeated> | ||
| >; | ||
| ``` | ||
| Subsequently, both serialization and deserialization become so easy to do: | ||
| - Mode without buffer overflow control | ||
| ```c++ | ||
| // serialization | ||
| Student twice {123, "twice"}, tom{456, "tom"}, jerry{123456, "jerry"}; | ||
| Class myClass {"class 101", {tom, jerry}}; | ||
| myClass["students"_f].push_back(twice); | ||
|
|
||
| array<byte, 64> buffer{}; | ||
| auto bufferEnd = message_coder<Class>::encode(myClass, buffer); | ||
| assert(begin_diff(bufferEnd, buffer) == 45); | ||
|
|
||
| // deserialization | ||
| auto [yourClass, bufferEnd2] = message_coder<Class>::decode(buffer); | ||
| assert(yourClass["name"_f] == "class 101"); | ||
| assert(yourClass["students"_f][2]["name"_f] == "twice"); | ||
| assert(yourClass["students"_f][2]["id"_f] == 123); | ||
| assert(yourClass["students"_f][1] == (Student{123456, "jerry"})); | ||
| assert(yourClass == myClass); | ||
| assert(begin_diff(bufferEnd2, bufferEnd) == 0); | ||
| ``` | ||
| - Mode with buffer overflow control (safe mode) | ||
| ```c++ | ||
| // serialization | ||
| Student twice {123, "twice"}, tom{456, "tom"}, jerry{123456, "jerry"}; | ||
| Class myClass {"class 101", {tom, jerry}}; | ||
| myClass["students"_f].push_back(twice); | ||
| array<byte, 64> buffer{}; | ||
| auto result = message_coder<Class>::encode<safe_mode>(myClass, buffer); | ||
| assert (result.has_value()); | ||
| const auto& bufferEnd = *result; | ||
| assert(begin_diff(bufferEnd, buffer) == 45); | ||
| // deserialization | ||
| auto result2 = message_coder<Class>::decode<safe_mode>(buffer); | ||
| assert (result2.has_value()); | ||
| const auto& [yourClass, bufferEnd2] = *result2; | ||
| assert(yourClass["name"_f] == "class 101"); | ||
| assert(yourClass["students"_f][2]["name"_f] == "twice"); | ||
| assert(yourClass["students"_f][2]["id"_f] == 123); | ||
| assert(yourClass["students"_f][1] == (Student{123456, "jerry"})); | ||
| assert(yourClass == myClass); | ||
| assert(begin_diff(bufferEnd2, bufferEnd) == 0); | ||
| ``` | ||
| More examples can be found in our test cases ([test/message.cpp](https://github.com/PragmaTwice/protopuf/blob/master/test/message.cpp)). | ||
|
|
||
| ## Supported Field Types | ||
| Category| Supported Types | ||
| --------|------------------ | ||
| Varint | int32, int64, uint32, uint64, sint32, sint64, bool, enum | ||
| 64-bit | fixed64, sfixed64, double | ||
| Length-delimited| string, bytes, embedded messages, packed repeated fields | ||
| 32-bit | fixed32, sfixed32, float | ||
|
|
||
| ## Known issues | ||
| - There is [a known bug](https://developercommunity2.visualstudio.com/t/Wrong-compile-error-in-MSVC:-identifier-/1270794) related to template parameter lists of lambda expressions in Visual Studio 2019 Version 16.8, which can produce a wrong compilation error while compiling protopuf | ||
| - Although class type in NTTP ([P0732R2](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0732r2.pdf)) is implemented in GCC 10, there is a CTAD bug ([PR96331](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96331), exists until GCC 10.2) to reject valid NTTP usage, which prevent protopuf to compile successfully | ||
|
|
||
| ## Acknowledgement | ||
| - to @dngrudin for the contribution of out-of-bounds checking and unsafe/safe mode | ||
| - to [JetBrains](https://www.jetbrains.com/?from=protopuf) for its [Open Source License](https://www.jetbrains.com/community/opensource/?from=protopuf) of All Products Pack | ||
| #  Protocol Puffers | ||
| [](https://app.codacy.com/gh/PragmaTwice/protopuf?utm_source=github.com&utm_medium=referral&utm_content=PragmaTwice/protopuf&utm_campaign=Badge_Grade) | ||
| [](https://github.com/PragmaTwice/protopuf/actions) | ||
| [](https://github.com/microsoft/vcpkg/blob/master/ports/protopuf/vcpkg.json) | ||
| [](https://codecov.io/gh/PragmaTwice/protopuf) | ||
|
|
||
| *A little, highly templated, and protobuf-compatible serialization/deserialization library written in C++20* | ||
|
|
||
| :closed_book: [Documentation](https://protopuf.surge.sh) | ||
|
|
||
| ## Requirements | ||
|
|
||
| - a compiler and a standard library implementation with C++20 support | ||
| - GCC 11 or above, or | ||
| - Clang 12 or above, or | ||
| - MSVC 14.29 (Visual Studio 2019 Version 16.9) or above | ||
| - CMake 3 | ||
| - GoogleTest (optional, for unit tests) | ||
| - vcpkg (optional, `vcpkg install protopuf` to install) | ||
|
|
||
| ## Features | ||
|
|
||
| - Data structures are described using type in C++ instead of DSLs like the Protocol Buffer Language (`.proto`) | ||
| - Fully compatible with encoding of the Protocol Buffers, capable of mutual serialization/deserialization | ||
| - Extensive compile-time operations aimed to improving run-time performance | ||
|
|
||
| ## An Example | ||
| For the following data structure described using `.proto`: | ||
| ```proto | ||
| message Student { | ||
| uint32 id = 1; | ||
| string name = 3; | ||
| } | ||
| message Class { | ||
| string name = 8; | ||
| repeated Student students = 3; | ||
| } | ||
| ``` | ||
| We can use *protopuf* to describe it as C++ types: | ||
| ```c++ | ||
| using namespace pp; | ||
|
|
||
| using Student = message< | ||
| uint32_field<"id", 1>, | ||
| string_field<"name", 3> | ||
| >; | ||
|
|
||
| using Class = message< | ||
| string_field<"name", 8>, | ||
| message_field<"students", 3, Student, repeated> | ||
| >; | ||
| ``` | ||
| Subsequently, both serialization and deserialization become so easy to do: | ||
| ```c++ | ||
| // serialization | ||
| Student twice {123, "twice"}, tom{456, "tom"}, jerry{123456, "jerry"}; | ||
| Class myClass {"class 101", {tom, jerry}}; | ||
| myClass["students"_f].push_back(twice); | ||
|
|
||
| array<byte, 64> buffer{}; | ||
| auto result = message_coder<Class>::encode(myClass, buffer); | ||
| assert(result.has_value()); | ||
| const auto& bufferEnd = *result; | ||
| assert(begin_diff(bufferEnd, buffer) == 45); | ||
|
|
||
| // deserialization | ||
| auto result2 = message_coder<Class>::decode(buffer); | ||
| assert(result2.has_value()); | ||
| const auto& [yourClass, bufferEnd2] = *result2; | ||
| assert(yourClass["name"_f] == "class 101"); | ||
| assert(yourClass["students"_f][2]["name"_f] == "twice"); | ||
| assert(yourClass["students"_f][2]["id"_f] == 123); | ||
| assert(yourClass["students"_f][1] == (Student{123456, "jerry"})); | ||
| assert(yourClass == myClass); | ||
| assert(begin_diff(bufferEnd2, bufferEnd) == 0); | ||
| ``` | ||
| More examples can be found in our test cases ([test/message.cpp](https://github.com/PragmaTwice/protopuf/blob/master/test/message.cpp)). | ||
| ## Supported Field Types | ||
| Category| Supported Types | ||
| --------|------------------ | ||
| Varint | int32, int64, uint32, uint64, sint32, sint64, bool, enum | ||
| 64-bit | fixed64, sfixed64, double | ||
| Length-delimited| string, bytes, embedded messages, packed repeated fields | ||
| 32-bit | fixed32, sfixed32, float | ||
| ## Known issues | ||
| - There is [a known bug](https://developercommunity2.visualstudio.com/t/Wrong-compile-error-in-MSVC:-identifier-/1270794) in Visual Studio 2019 Version 16.8 related to template parameter lists of lambda expressions, which can produce a wrong compilation error while compiling protopuf | ||
| - Although class type in NTTP ([P0732R2](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p0732r2.pdf)) is implemented in GCC 10, there is a CTAD bug ([PR96331](https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96331), exists until GCC 10.2) to reject valid NTTP usage, which prevent protopuf to compile successfully | ||
| ## Acknowledgement | ||
| - to @dngrudin for the contribution of out-of-bounds checking and unsafe/safe mode | ||
| - to [JetBrains](https://www.jetbrains.com/?from=protopuf) for its [Open Source License](https://www.jetbrains.com/community/opensource/?from=protopuf) of All Products Pack |
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