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Implements loading of proto files

develop
Erwin Nindl 1 year ago
parent
commit
f6e691d3db
  1. 1
      .gitignore
  2. 14
      CMakeLists.txt
  3. 23
      README.md
  4. 14
      protocol_buffers_definitions/CMakeLists.txt
  5. 6
      src/CMakeLists.txt
  6. 40
      src/main.cpp

1
.gitignore vendored

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build/*

14
CMakeLists.txt

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cmake_minimum_required(VERSION 3.10)
project(EsriAssignment)
set(CMAKE_CXX_STANDARD 17)
find_package(Protobuf REQUIRED)
include_directories(${PROTOBUF_INCLUDE_DIR})
include_directories(${CMAKE_CURRENT_BINARY_DIR})
add_subdirectory(protocol_buffers_definitions)
include_directories(src)
add_subdirectory(src)

23
README.md

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# ESRI C++ code assignment
## Setup
```
aptitude install protobuf-compiler libprotobuf-c-dev ##libprotoc-dev
```
## Build
```
mkdir build
cd build
cmake ..
make
```
## Links
* https://developers.google.com/protocol-buffers/docs/cpptutorial
* https://github.com/protocolbuffers/protobuf/tree/master/examples
* https://cmake.org/cmake/help/latest/module/FindProtobuf.html

14
protocol_buffers_definitions/CMakeLists.txt

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find_package(Protobuf REQUIRED)
include_directories(${PROTOBUF_INCLUDE_DIR})
set(PROTO_LIST
locatorevents.proto
positions.proto
recordings.proto
sensors.proto
structures.proto
)
protobuf_generate_cpp(PROTO_SRC PROTO_HEADER ${PROTO_LIST})
add_library(proto ${PROTO_HEADER} ${PROTO_SRC})
set_target_properties(proto PROPERTIES PUBLIC_HEADER "${PROTO_HEADER}")

6
src/CMakeLists.txt

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set(assignment_SOURCES
main.cpp)
add_executable(main ${assignment_SOURCES})
target_link_libraries(main proto ${PROTOBUF_LIBRARY})

40
src/main.cpp

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#include <fstream>
#include <iostream>
#include "protocol_buffers_definitions/recordings.pb.h"
using namespace ::indoors::proto;
int main(int argc, char* argv[])
{
// Verify that the version of the library that we linked against is
// compatible with the version of the headers we compiled against.
GOOGLE_PROTOBUF_VERIFY_VERSION;
std::cout << "ESRI C++ code assignment\n";
Recording recording;
Position positions;
std::fstream input(argv[1], std::ios::in | std::ios::binary);
if (!recording.ParseFromIstream(&input)) {
std::cerr << "Failed to parse input file.\n";
return -1;
}
std::cout.precision(17);
for (int i=0; i < recording.magnetics_size(); i++) {
auto const& s = recording.magnetics(i);
std::cout << s.t() << ": [" << s.x() << ", " << s.y() << ", " << s.z() << "]\n";
}
for (int i=0; i < recording.positions_size(); i++) {
auto const& s = recording.positions(i);
std::cout << s.t() << ": [" << s.x() << ", " << s.y() << "]\n";
}
// Optional: Delete all global objects allocated by libprotobuf.
google::protobuf::ShutdownProtobufLibrary();
return 0;
}
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