opencsv

Cross-platform multi-threaded design! Read and write csv file.

The OpenLinyou project designs a cross-platform server framework. Write code in VS or XCode and run it on Linux without any changes, even on Android and iOS. OpenLinyou：https://github.com/openlinyou

Cross-platform support

Designed for cross-platforms such as Windows and Linux.

Compilation and execution

Please install the cmake tool and use it to build the project. It can be compiled and run on VS or Xcode.

Source code: https://github.com/openlinyou/opencsv

# Clone the project
git clone https://github.com/openlinyou/openthread
cd ./opencsv
# Create a build project directory
mkdir build
cd build
# If it is win32, opencsv.sln will appear in this directory. Click it to start VS for coding and debugging.
cmake ..
make
./test

All source files

• src/opencsv.h
• src/opencsv.cpp

Test Demo

#include <assert.h>
#include "opencsv.h"

int main()
{
    std::string buffer1;
    std::string buffer2;

    //make csv
    {
        OpenCSV csv = { "ID", "name", "salary" };
        csv = { "1", "Jack", "100000" };
        csv = { "2", "Tom", "80000" };
        csv = { std::to_string(3), "Lucy", "50000" };

        csv >> buffer1;
    }
    
    buffer2 = "ID,name,salary\n"
            "1,Jack,100000\n"
            "2,Tom,80000\n"
            "3,Lucy,50000\n";

    assert(buffer1 == buffer2);

    //parse csv
    {
        OpenCSV csv;
        csv << buffer2;
        buffer1 = "ID,name,salary\n";
        for (size_t i = 1; i < csv.size(); ++i)
        {
            auto& line = csv[i];
            buffer1.append(line["ID"] + "," + line["name"] + "," + line["salary"] + "\n");
        }
    }
    assert(buffer1 == buffer2);

    std::string filePath = "./test.csv";
    //make csv file
    {
        OpenCSV csv;
        csv << buffer2;
        assert(csv[0][0] == "ID");
        assert(csv[0][2] == "salary");
        csv[1]["salary"] = std::to_string(10000);
        csv[2]["salary"] = "8000";
        csv[3]["salary"] = "5000";
        csv >> filePath;
    }
    buffer2 = "ID,name,salary\n"
        "1,Jack,10000\n"
        "2,Tom,8000\n"
        "3,Lucy,5000\n";

    //read csv file
    {
        OpenCSV csv;
        csv << filePath;
        buffer1.clear();
        csv >> buffer1;
    }
    assert(buffer1 == buffer2);

    return 0;
}

Environment

Windows、linux etc. Cross-platform design

Source file list

. src/opencsv.h . src/opencsv.cpp

Build and run

cd ./opencsv
mkdir build
cd build
cmake ..
make
./test