1 files changed, 112 insertions, 0 deletions
diff --git a/src/Main.c b/src/Main.c
new file mode 100644
index 0000000..4ecd4f3
--- /dev/null
+++ b/src/Main.c
@@ -0,0 +1,112 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/select.h>
+
+#include "Globals.h"
+#include "Terminal.h"
+#include "Draw.h"
+#include "Input.h"
+
+Options opts = {
+  .prompt = "",
+  .insensitive = 0
+};
+
+ItemList all_items = {0};
+ItemList filtered = {0};
+char *input = NULL;
+size_t input_len = 0;
+size_t input_capacity = 0;
+int cursor = 0;
+int scroll = 0;
+int needs_redraw = 1;
+
+static void ensure_item_capacity(ItemList *list) {
+  if (list->count >= list->capacity) {
+    size_t new_cap = list->capacity == 0 ? INITIAL_CAPACITY : list->capacity * 2;
+    list->items = realloc(list->items, new_cap * sizeof(char *));
+    list->capacity = new_cap;
+  }
+}
+
+void read_items(void) {
+  char *line = NULL;
+  size_t len = 0;
+  ssize_t n;
+  while ((n = getline(&line, &len, stdin)) != -1) {
+    if (n > 0 && line[n-1] == '\n') line[n-1] = '\0';
+    ensure_item_capacity(&all_items);
+    all_items.items[all_items.count++] = strdup(line);
+  }
+  free(line);
+  filter_items();
+}
+
+void version(void) {
+  puts("insel 1.0");
+  puts("'those who select their inputs'\n");
+  puts("GNU GPL version 2 <https://gnu.org/licenses/old-licenses/gpl-2.0.html>.\n"
+     "This is free software: you are free to change and redistribute it.\n"
+     "There is NO WARRANTY, to the extent permitted by law.");
+  exit(0);
+}
+
+void help(void) {
+  puts("Usage: insel [-i] [-p prompt]"
+          "\n"
+          "Options:"
+          "\n"
+          "  -i          Case-insensitive matching"
+          "\n"
+          "  -v          Show version"
+          "\n"
+          "  -p prompt   Prompt to display"
+          "\n"
+          "  --help      Show this help message");
+  exit(0);
+}
+
+int main(int argc, char *argv[]) {
+  stdin_is_tty = isatty(STDIN_FILENO);
+  orig_stdout = dup(STDOUT_FILENO);
+
+  for (int i = 1; i < argc; i++) {
+    if (strcmp(argv[i], "-v") == 0) version();
+    else if (strcmp(argv[i], "--help") == 0) help();
+    else if (strcmp(argv[i], "-i") == 0) opts.insensitive = 1;
+    else if (strcmp(argv[i], "-b") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-f") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-l") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) {
+      if (opts.prompt[0] != '\0') free(opts.prompt);
+      opts.prompt = strdup(argv[++i]);
+    }
+    else if (strcmp(argv[i], "-nb") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-nf") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-sb") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-sf") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-fn") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-m") == 0 && i + 1 < argc) i++;
+    else if (strcmp(argv[i], "-w") == 0 && i + 1 < argc) i++;
+  }
+
+  read_items();
+  setup_terminal();
+
+  while (1) {
+    if (needs_redraw) {
+      draw();
+      needs_redraw = 0;
+    }
+    fd_set fds;
+    FD_ZERO(&fds);
+    FD_SET(tty_fd, &fds);
+    struct timeval tv = { .tv_sec = 0, .tv_usec = 10000 };
+    if (select(tty_fd + 1, &fds, NULL, NULL, &tv) > 0) {
+      handle_input();
+    }
+  }
+  return 0;
+}