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-rw-r--r--luis.c339
1 files changed, 339 insertions, 0 deletions
diff --git a/luis.c b/luis.c
new file mode 100644
index 0000000..f14d1b8
--- /dev/null
+++ b/luis.c
@@ -0,0 +1,339 @@
+#include "tui.h"
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <magic.h>
+#include <limits.h>
+#include <unistd.h>
+
+const char DTC[] = {
+ [DT_BLK] = 'b',
+ [DT_CHR] = 'c',
+ [DT_DIR] = 'd',
+ [DT_FIFO] = 'F',
+ [DT_LNK] = 'l',
+ [DT_REG] = 'f',
+ [DT_SOCK] = 's',
+ [DT_UNKNOWN] = '?',
+};
+
+const char * SUNIT[] = {"B", "KiB", "MiB", "GiB", "TiB"};
+
+magic_t magic_cookie;
+
+int (*current_filter)(const struct dirent *);
+int selected_item = 0;
+char current_path[PATH_MAX] = {0};
+
+int filter_hidden(const struct dirent * e) {
+ return e->d_name[0] != '.';
+}
+
+int filter_twodot_dir(const struct dirent * e) {
+ return strcmp(e->d_name, "..") && strcmp(e->d_name, ".");
+}
+
+int number_of_dir_entries(const char * dpath) {
+ struct dirent * entry;
+ DIR * dir = opendir(dpath);
+ int n = 0;
+
+ while ((entry = readdir(dir)) != NULL)
+ n += current_filter(entry);
+
+ closedir(dir);
+
+ return n;
+}
+
+void get_selection_name(const char * dpath, char * name) {
+ struct dirent ** namelist;
+ int n = scandir(dpath, &namelist, current_filter, alphasort);
+ strcpy(name, namelist[selected_item]->d_name);
+
+ while (n--)
+ free(namelist[n]);
+ free(namelist);
+}
+
+void write_dir_content_to_win(Window * win, const char * dpath, unsigned select, unsigned offset) {
+ struct dirent ** namelist;
+ int n = scandir(dpath, &namelist, current_filter, alphasort);
+
+ if (n == 0) {
+ SET_COLOR(180, 100, 100);
+ printfxy_to_window(win, 0, offset, "empty");
+ RESET_VIDEO();
+ }
+
+ for (unsigned i = 0; i < n && i < get_term_height(); ++i) {
+ if (select == i) {
+ SET_BG(60, 103, 84);
+ SET_COLOR(0, 0, 0);
+ }
+
+ printfxy_to_window(win, 0, i + offset, " %c %s%*s", DTC[namelist[i]->d_type], namelist[i]->d_name, win->width - 5 - strlen(namelist[i]->d_name), "");
+
+ if (select == i)
+ RESET_VIDEO();
+
+ free(namelist[i]);
+ }
+
+ free(namelist);
+}
+
+void switch_filter() {
+ current_filter = current_filter == filter_hidden ? filter_twodot_dir : filter_hidden;
+}
+
+void select_move(int n) {
+ if (selected_item + n >= 0 && selected_item + n < number_of_dir_entries(current_path))
+ selected_item += n;
+}
+
+void enter_parent() {
+ unsigned n = strlen(current_path) - 1;
+
+ if (!n)
+ return;
+
+ while (current_path[--n]) {
+ if (current_path[n] == '/') {
+ current_path[n + 1] = 0;
+ break;
+ }
+ }
+
+ selected_item = 0;
+
+}
+
+void enter_directory() {
+ get_selection_name(current_path, current_path + strlen(current_path));
+ strcat(current_path, "/");
+ int s = selected_item;
+
+ DIR * dir = opendir(current_path);
+
+ if (dir) {
+ selected_item = 0;
+ closedir(dir);
+
+ struct dirent ** namelist;
+ int n = scandir(current_path, &namelist, current_filter, alphasort);;
+
+ for (int i = 0; i < n; ++i)
+ free(namelist[i]);
+ free(namelist);
+
+ if (n == 0) {
+ enter_parent();
+ selected_item = s;
+ }
+
+ return;
+ } else {
+ showecho(1);
+ showcursor(1);
+ char open_with[2048];
+
+ printfxy(1, 1, "open %s with: ", current_path);
+ if (fgets(open_with, 256, stdin)) {
+ open_with[strlen(open_with) - 1] = 0;
+ current_path[strlen(current_path) - 1] = 0;
+ endtui();
+ system(strcat(strcat(open_with, " "), current_path));
+ inittui();
+ current_path[strlen(current_path) - 1] = '/';
+ }
+
+ showcursor(0);
+ showecho(0);
+ }
+
+ closedir(dir);
+ enter_parent();
+ selected_item = s;
+}
+
+void help() {
+ Window help;
+ help.x = get_term_width() / 4;
+ help.y = get_term_height() / 4;
+ help.width = get_term_width() - 2 * help.x;
+ help.height = get_term_height() - 2 * help.y;
+ help.has_borders = 1;
+
+ draw_window(&help);
+
+ const char helptext[] = " H : Toggle Hidden\n"
+ " j : Move down\n"
+ " k : Move up\n"
+ " h : Move back\n"
+ " l : Enter Directory\n"
+ " o : Open\n"
+ " ? : Show this dialog\n";
+
+ printfxy_to_window(&help, help.width / 2 - 4, 0, "- Help -");
+ printfxy_to_window(&help, 0, 1, "%s", helptext);
+ printfxy_to_window(&help, help.width - 16, help.height - 3, "[c]lose window");
+
+ while (getch() != 'c');
+}
+
+char * readable_size(long size, char * dest) {
+ int n = 0;
+
+ while (size > 1000) {
+ size /= 1024;
+ ++n;
+ }
+
+ sprintf(dest, "%d %s", size, SUNIT[n]);
+
+ return dest;
+}
+
+void print_preview(Window * win) {
+ struct stat selstat;
+ char filepath[2048];
+ char size[128];
+ const char * magic_full;
+
+ strcpy(filepath, current_path);
+ get_selection_name(current_path, filepath + strlen(filepath));
+
+ stat(filepath, &selstat);
+
+ magic_full = magic_file(magic_cookie, filepath);
+
+ SET_COLOR(100, 100, 100);
+ printfxy_to_window(win, 0, 0, "%s\nLast modified %sSize %s\nType: %s",
+ filepath + strlen(current_path), ctime(&selstat.st_mtime), readable_size(selstat.st_size, size), magic_full);
+ RESET_VIDEO();
+
+ if (strstr(magic_full, "text")) {
+ char buffer[4096] = "";
+ FILE * fp = fopen(filepath, "r");
+
+ fread(buffer, 4096, 1, fp);
+
+ printfxy_to_window(win, 0, 6, "%s", buffer);
+
+ fclose(fp);
+ } else if (strstr(magic_full, "directory")) {
+ SET_COLOR(100, 100, 100);
+ printfxy_to_window(win, 0, 5, "Content");
+ RESET_VIDEO();
+ write_dir_content_to_win(win, filepath, -1, 7);
+ }
+}
+
+int main(int argc, char ** argv) {
+ Window mainwin;
+ Window preview;
+
+ mainwin.x = 1;
+ mainwin.y = 2;
+ mainwin.has_borders = 1;
+
+ preview.y = 2;
+ preview.has_borders = 1;
+
+ if (argc == 2) {
+ realpath(argv[1], current_path);
+
+ printf(current_path);
+
+ if (current_path[strlen(current_path) - 1] != '/') {
+ current_path[strlen(current_path)] = '/';
+ }
+
+ DIR * dir = opendir(current_path);
+
+ if (dir == NULL) {
+ if (getcwd(current_path, sizeof(current_path)) == NULL) {
+ fprintf(stderr, "getcwd error\n");
+ return -1;
+ }
+ strcat(current_path, "/");
+ }
+
+ closedir(dir);
+
+ } else {
+ if (getcwd(current_path, sizeof(current_path)) == NULL) {
+ fprintf(stderr, "getcwd error\n");
+ return -1;
+ }
+ strcat(current_path, "/");
+ }
+
+ magic_cookie = magic_open(MAGIC_MIME_TYPE);
+
+ if (!magic_cookie) {
+ fprintf(stderr, "cannot initialize magic library\n");
+ return -1;
+ }
+
+ if (magic_load(magic_cookie, NULL)) {
+ fprintf(stderr, "cannot load magic database: %s\n", magic_error(magic_cookie));
+ magic_close(magic_cookie);
+ return -1;
+ }
+
+ inittui();
+ showcursor(0);
+ showecho(0);
+
+ char c = 0;
+ current_filter = filter_hidden;
+
+ do {
+
+ switch(c) {
+ case 'H': switch_filter(); break;
+ case 'j': select_move(1); break;
+ case 'k': select_move(-1); break;
+ case 'l': enter_directory(); break;
+ case 'h': enter_parent(); break;
+ case 'o': enter_directory(); break;
+ case '?': help(); break;
+ default: break;
+ }
+
+ mainwin.width = get_term_width() / 2;
+ mainwin.height = get_term_height() - 1;
+
+ preview.width = get_term_width() - mainwin.width + 1;
+ preview.height = mainwin.height;
+ preview.x = mainwin.width;
+
+ printfxy(1, 1, "%s%*s[?] for help", current_path, get_term_width() - strlen(current_path) - 12, "");
+
+ SET_COLOR(40, 74, 53);
+ draw_window(&preview);
+ BOLD();
+ SET_COLOR(60, 103, 84);
+ draw_window(&mainwin);
+ RESET_VIDEO();
+
+ write_dir_content_to_win(&mainwin, current_path, selected_item, 0);
+
+ print_preview(&preview);
+
+ } while ((c = getch()) != 'q');
+
+
+ showecho(1);
+ showcursor(1);
+
+ endtui();
+ magic_close(magic_cookie);
+ return 0;
+}
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