feat: basic cli & constants

CMakeLists.txt

@@ -6,6 +6,8 @@ set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED true)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY build)
 
-file(GLOB_RECURSE SRC ./src/*.c ./src/*.h)
+file(GLOB_RECURSE SRC CONFIGURE_DEPENDS ./src/*.c ./src/*.h)
+
+configure_file(src/gimi_constants.h.in src/gimi_constants.h)
 
 add_executable(gimi ${SRC})

src/cli/cli.c

@@ -0,0 +1,25 @@
+#include "../gimi_constants.h"
+#include "command/init.h"
+#include <stdio.h>
+#include <string.h>
+
+#define HELP                                                                   \
+  "Usage: gimi [-h | --help] [-v | --version]\n\n"                             \
+  "A simple tool for managing multiple git remotes as mirrors\n\n"             \
+  "Commands\n"
+
+void cli_print_help() { printf("%s", HELP); }
+void cli_print_version() {
+  printf("gimi version %d.%d.%d\n", GIMI_VERSION_MAJOR, GIMI_VERSION_MINOR,
+         GIMI_VERSION_PATCH);
+}
+
+int cli_handle(int argc, char **argv) {
+  char *sub_command = argv[0];
+
+  if (strcmp(sub_command, "init") == 0) {
+    cli_command_init(argc, argv);
+  }
+
+  return 0;
+}

src/cli/cli.h

@@ -0,0 +1,25 @@
+#define HANDLE_OPTIONS(argc, argv, optstring, ...)                             \
+  int opt;                                                                     \
+  opterr = 0;                                                                  \
+  while ((opt = getopt(argc, argv, optstring)) != -1) {                        \
+    switch (opt) {                                                             \
+      __VA_ARGS__                                                              \
+    default: {                                                                 \
+      printf("unknown option -%c\n", (char)optopt);                            \
+      break;                                                                   \
+    }                                                                          \
+    }                                                                          \
+  }                                                                            \
+  argc -= optind;                                                              \
+  argv += optind;
+
+#define OPTION(opt, func)                                                      \
+  case opt: {                                                                  \
+    func();                                                                    \
+    break;                                                                     \
+  }
+
+void cli_print_help();
+void cli_print_version();
+
+int cli_handle(int argc, char **argv);

src/cli/command/init.c

@@ -0,0 +1,5 @@
+#include "../cli.h"
+#include <stdio.h>
+#include <unistd.h>
+
+void cli_command_init(int argc, char **argv) { printf("init"); }

src/cli/command/init.h

@@ -0,0 +1 @@
+void cli_command_init(int argc, char **argv);

src/gimi_constants.h

@@ -0,0 +1,4 @@
+// Do not edit manually! Generated by cmake
+#define GIMI_VERSION_MAJOR 0
+#define GIMI_VERSION_MINOR 1
+#define GIMI_VERSION_PATCH 0

src/gimi_constants.h.in

@@ -0,0 +1,4 @@
+// Do not edit manually! Generated by cmake
+#define GIMI_VERSION_MAJOR @gimi_VERSION_MAJOR@
+#define GIMI_VERSION_MINOR @gimi_VERSION_MINOR@
+#define GIMI_VERSION_PATCH @gimi_VERSION_PATCH@

src/main.c

@@ -1,6 +1,47 @@
-#include <stdio.h>
+#include "cli/cli.h"
+#include <string.h>
 
-int main() {
+int main(int argc, char **argv) {
-  printf("hello!");
+  if (argc == 1) {
+    cli_print_help();
+    return 0;
+  }
+
+  if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0) {
+    cli_print_help();
+    return 0;
+  }
+
+  if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
+    cli_print_version();
+    return 0;
+  }
+
+  argc -= 1;
+  argv += 1;
+
+  cli_handle(argc, argv);
+
+  /*int opt;
+  opterr = 0;
+  while ((opt = getopt(argc, argv, "hv")) != -1) {
+    switch (opt) {
+    case 'h': {
+      print_help();
+      break;
+    }
+    case 'v': {
+      print_version();
+      break;
+    }
+    default: {
+      printf("unknown option -%c\n", (char)optopt);
+      return 1;
+    }
+    }
+  }
+  argc -= optind;
+  argv += optind;
+*/
   return 0;
 }