working version

src/main.cpp

@@ -1,9 +1,134 @@
 #include <iostream>
+#include <filesystem>
+#include <fstream>
+#include <vector>
+#include <algorithm>
+
+namespace fs = std::filesystem;
+
+struct BinaryCode {
+    std::string fileName;
+    std::string variableName;
+    std::string data;
+    std::size_t hashName;
+    std::size_t dataSize;
+};
+
+BinaryCode GetBinaryCode(const fs::path& filePath) {
+    std::ifstream file{ filePath.string() , std::ios::binary | std::ios::ate };
+
+    std::cout << "File : " << filePath.string() << "\n";
+
+    std::streamsize size = file.tellg();
+    file.seekg(0, std::ios::beg);
+
+    std::cout << "FileSize : " << size << "\n";
+
+    std::string fileName = filePath.filename().string();
+    std::remove(fileName.begin(), fileName.end(), '\"');
+
+    std::string ressourceName = fileName;
+    std::replace(ressourceName.begin(), ressourceName.end(), '.', '_');
+    std::replace(ressourceName.begin(), ressourceName.end(), '-', '_');
+    ressourceName += "_data";
+
+    std::vector<char> buffer(size);
+    if (file.read(buffer.data(), size))
+    {
+        /* worked! */
+
+        std::stringstream ss;
+        ss << "static const unsigned char " << ressourceName << "[] = {\n\t";
+
+        int charNumber = 0;
+
+        for (std::size_t i = 0; i < size; i++) {
+
+            if (charNumber >= 100) {
+                ss << "\n\t";
+                charNumber = 0;
+            }
+
+            int value = static_cast<int>(static_cast<unsigned char>(buffer.at(i)));
+
+            charNumber += 2;
+            if (value >= 10) charNumber++;
+            if (value >= 100) charNumber++;
+
+            ss << value << ",";
+        }
+
+        ss << "  \n";
+
+        ss << "};\n";
+
+        return { fileName, ressourceName, ss.str(), std::hash<std::string>{}(fileName), static_cast<std::size_t>(size) };
+
+    } else {
+        std::cout << "Failed opening " << filePath << " !\n";
+    }
+
+    return {};
+
+}
+
+
+void WriteHeaderFile(const std::vector<BinaryCode>& files) {
+    std::ofstream output{ "BinaryData.h" };
+    output << "#pragma once\n\n";
+    output << "#include <string>\n\n";
+    output << "namespace BinaryData {\n\n";
+    output << "static const std::string FileNames[] = {\n\t";
+    for (const auto& fileCode : files) {
+        output << "\"" << fileCode.fileName << "\", ";
+    }
+    output << "\n};\n\n";
+    output << "const char* GetRessourceByName(const std::string& resName, std::size_t& size);\n\n";
+    output << "}\n";
+}
+
+void WriteSourceFile(const std::vector<BinaryCode>& files) {
+    std::ofstream output{ "BinaryData.cpp" };
+    output << "#include \"BinaryData.h\"\n\nnamespace BinaryData {\n\n";
+    for (const auto& fileCode : files) {
+        output << fileCode.data << "\n";
+    }
+    output << "const char* GetRessourceByName(const std::string& fileName, std::size_t& size){\n";
+    output << "\tstd::size_t fileNameHash = std::hash<std::string>{}(fileName);\n";
+    output << "\tswitch(fileNameHash){\n";
+    for (const auto& fileCode : files) {
+        output << "\t\tcase " << fileCode.hashName << "U: size=" << fileCode.dataSize << "U; return reinterpret_cast<const char*>(" << fileCode.variableName << ");\n";
+    }
+    output << "\t}\n";
+    output << "\treturn nullptr;\n";
+    output << "}\n\n}  // namespace BinaryData\n";
+}
+
+
+void BinaryConvert(const std::string& dirName) {
+    std::cout << "Scanning " << dirName << " ...\n";
+
+    std::vector<BinaryCode> fileCodes;
+    for (const auto& entry : fs::directory_iterator(dirName)) {
+        fileCodes.push_back(std::move(GetBinaryCode(entry.path())));
+    }
+
+    WriteHeaderFile(fileCodes);
+    WriteSourceFile(fileCodes);
+}
+
+
+
 
-using namespace std;
 
 int main(int argc, char** argv)
 {
-    cout << "hello world!" << endl;
+    if (argc == 1 || argv[1] == std::string{ "--help" } || argc >= 3) {
+        std::cout << "Syntax : BinaryData <directory name>" << std::endl;
+        return 0;
+    } else {
+        BinaryConvert(argv[1]);
+    }
+
     return 0;
 }

xmake.lua

@@ -3,6 +3,7 @@ add_rules("mode.debug", "mode.release")
 target("BinaryData")
     set_kind("binary")
     add_files("src/*.cpp")
+    set_languages("c++17")
 
 --
 -- If you want to known more usage about xmake, please see https://xmake.io