init

.gitignore

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+# Xmake cache
+.xmake/
+build/
+
+# MacOS Cache
+.DS_Store
+
+

.vscode/settings.json

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+{
+    "files.associations": {
+        "*.cpp": "cpp",
+        "cctype": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "charconv": "cpp",
+        "chrono": "cpp",
+        "codecvt": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "cstdint": "cpp",
+        "deque": "cpp",
+        "list": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "semaphore": "cpp",
+        "span": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "stop_token": "cpp",
+        "streambuf": "cpp",
+        "thread": "cpp",
+        "cinttypes": "cpp",
+        "typeinfo": "cpp",
+        "variant": "cpp",
+        "format": "cpp"
+    }
+}

src/main.cpp

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+#include <cstdio>
+#include <iostream>
+#include <filesystem>
+#include <string_view>
+#include <fstream>
+#include <format>
+namespace fs = std::filesystem;
+
+std::string get_projectname(){
+    auto workdir = fs::canonical(fs::current_path());
+    while(true){
+        for(auto& entry : fs::directory_iterator(workdir)){
+            if(entry.path().filename() == "xmake.lua"){
+                auto file = std::ifstream(entry.path(), std::ios::in);
+                std::string line;
+                while(getline(file, line)){
+                    if(line.find("target") != std::string::npos){
+                        return line.substr(line.find("\"") + 1, line.find_last_of("\"") - line.find_first_of("\"") -1);
+                    }
+                }
+            }
+        }    
+        if(workdir == fs::path("/home")){
+            return "";
+        }
+        workdir = workdir.parent_path();
+    }
+}
+
+int main(int argc, char** const argv){
+    auto res = std::system("xmake build");
+	if(argc < 2){
+		if(res != 0) return -1;
+		return std::system("xmake run");
+	}
+    auto project_name = get_projectname();
+    if(project_name == ""){
+        std::cout << "[Error] Not Find Xmake Project File" << std::endl;
+        return -1;
+    }
+    std::string opt;
+    for(int i = 1; i<argc;i++){
+        opt += argv[i];
+        opt += " ";
+    }
+    std::string really_cmd;
+    std::format_to(std::back_inserter(really_cmd), "xmake run -w {} {} {}", fs::current_path().string(), project_name, opt);
+	return std::system(really_cmd.c_str());
+}

xmake.lua

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+set_languages("c++23")
+add_rules("mode.debug", "mode.release")
+
+target("re")
+    set_kind("binary")
+    add_files("src/*.cpp")
+
+--
+-- If you want to known more usage about xmake, please see https://xmake.io
+--
+-- ## FAQ
+--
+-- You can enter the project directory firstly before building project.
+--
+--   $ cd projectdir
+--
+-- 1. How to build project?
+--
+--   $ xmake
+--
+-- 2. How to configure project?
+--
+--   $ xmake f -p [macosx|linux|iphoneos ..] -a [x86_64|i386|arm64 ..] -m [debug|release]
+--
+-- 3. Where is the build output directory?
+--
+--   The default output directory is `./build` and you can configure the output directory.
+--
+--   $ xmake f -o outputdir
+--   $ xmake
+--
+-- 4. How to run and debug target after building project?
+--
+--   $ xmake run [targetname]
+--   $ xmake run -d [targetname]
+--
+-- 5. How to install target to the system directory or other output directory?
+--
+--   $ xmake install
+--   $ xmake install -o installdir
+--
+-- 6. Add some frequently-used compilation flags in xmake.lua
+--
+-- @code
+--    -- add debug and release modes
+--    add_rules("mode.debug", "mode.release")
+--
+--    -- add macro definition
+--    add_defines("NDEBUG", "_GNU_SOURCE=1")
+--
+--    -- set warning all as error
+--    set_warnings("all", "error")
+--
+--    -- set language: c99, c++11
+--    set_languages("c99", "c++11")
+--
+--    -- set optimization: none, faster, fastest, smallest
+--    set_optimize("fastest")
+--
+--    -- add include search directories
+--    add_includedirs("/usr/include", "/usr/local/include")
+--
+--    -- add link libraries and search directories
+--    add_links("tbox")
+--    add_linkdirs("/usr/local/lib", "/usr/lib")
+--
+--    -- add system link libraries
+--    add_syslinks("z", "pthread")
+--
+--    -- add compilation and link flags
+--    add_cxflags("-stdnolib", "-fno-strict-aliasing")
+--    add_ldflags("-L/usr/local/lib", "-lpthread", {force = true})
+--
+-- @endcode
+--
+