Squash commits for public release

userland/utilities/edit/main.c

@@ -0,0 +1,80 @@
+#include "file.h"
+#include "lifetime.h"
+#include "menu.h"
+#include "mode.h"
+#include "viewer.h"
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define STDIN 0
+#define STDOUT 1
+
+uint32_t mode;
+mode_disc_t mode_disc;
+
+void viewing_accept_key(char key)
+{
+    if (key == ':') {
+        menu_enter_mode();
+        return;
+    }
+    if (key == 'w') {
+        viewer_cursor_up();
+        return;
+    }
+    if (key == 's') {
+        viewer_cursor_down();
+        return;
+    }
+    if (key == 'a') {
+        viewer_cursor_left();
+        return;
+    }
+    if (key == 'd') {
+        viewer_cursor_right();
+        return;
+    }
+
+    file_paste_char(key, viewer_get_cursor_offset_in_file());
+}
+
+char get_key()
+{
+    char c;
+    if (read(STDIN, &c, 1) != 1) {
+        crash_app();
+    }
+    return c;
+}
+
+void process_input()
+{
+    for (;;) {
+        char key = get_key();
+        mode_disc.accept_key(key);
+    }
+}
+
+void display_file(char* path)
+{
+    int fd = file_open(path);
+}
+
+void init_mode()
+{
+    mode = VIEWING;
+    mode_disc.accept_key = viewing_accept_key;
+}
+
+int main(int argc, char** argv)
+{
+    if (argc < 2) {
+        return 0;
+    }
+    enable_raw_mode();
+    init_mode();
+    display_file(argv[1]);
+    process_input();
+    exit_app();
+}