1342 lines
30 KiB
C
1342 lines
30 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <string.h>
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#include <dirent.h>
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#include <errno.h>
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#include <ftw.h>
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#include <time.h>
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#include <termios.h>
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#include <ctype.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include "file.h"
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#include "icons.h"
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#include "util.h"
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/* Keybindings */
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enum keys {
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CTRLD = 0x04,
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ENTER = 0xD,
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CTRLU = 0x15,
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SPACE = 0x20,
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TILDE = 0x7E,
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BACKSPACE = 127,
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ARROW_LEFT = 1000,
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ARROW_RIGHT,
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ARROW_UP,
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ARROW_DOWN,
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DEL_KEY,
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HOME_KEY,
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END_KEY,
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PAGE_UP,
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PAGE_DOWN,
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};
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typedef struct {
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int key;
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} key;
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#define PATH_MAX 4096 /* Max length of path */
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#include "config.h"
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void handle_sigwinch(int ignore);
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void cleanup(void);
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void show_help(void);
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char *check_trash_dir(void);
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void change_dir(const char *buf, int selection, int ftype);
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void mkdir_p(const char *destdir);
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void populate_files(const char *path, int ftype, ArrayList **list);
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int get_directory_size(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf);
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void add_file_stat(char *filename, char *path, int ftype);
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char *get_file_mode(mode_t mode);
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void list_files(void);
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void show_file_content(void);
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void edit_file(void);
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void toggle_executable(void);
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void replace_home(char *str);
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int write_last_d(void);
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int sort_compare(const void *a, const void *b);
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void sort_files(void);
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char *get_panel_string(char *prompt);
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void rename_file(void);
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void goto_dir(void);
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void create_dir(void);
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void create_file(void);
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void delete_files(void);
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void wpprintw(const char *fmt, ...);
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void move_cursor(int row, int col);
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int read_key(void);
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int get_window_size(int *row, int *col);
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void bprintf(const char *fmt, ...);
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/* global variables */
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unsigned int focus = 0;
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long sel_file = 0;
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int file_picker = 1;
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int to_open_file = 0;
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char *argv_cp;
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char *cwd;
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char *p_cwd; /* previous cwd */
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int half_width;
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ArrayList *files;
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ArrayList *marked;
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ArrayList *tmp1; /* temp store of dirs */
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ArrayList *tmp2; /* tmp store of files */
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int rows, cols;
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struct termios oldt, newt;
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unsigned long total_dir_size = 0;
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int main(int argc, char **argv)
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{
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if (argc == 3) {
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if (strncmp(argv[2], "-p", 2) == 0)
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file_picker = 1;
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}
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if (argc <= 3 && argc != 1) {
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if (strncmp(argv[1], "-h", 2) == 0)
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die("Usage: ccc filename");
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struct stat st;
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if (lstat(argv[1], &st)) {
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perror("ccc");
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die("Error from lstat");
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}
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/* chdir to directory from argument */
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if (S_ISDIR(st.st_mode) && chdir(argv[1])) {
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perror("ccc");
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die("Error from chdir");
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} else if (S_ISREG(st.st_mode)) {
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argv_cp = estrdup(argv[1]);
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char *last_slash = strrchr(argv_cp, '/');
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if (last_slash) {
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*last_slash = '\0';
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if (chdir(argv[1])) {
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perror("ccc");
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die("Error from chdir");
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}
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}
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to_open_file = 1;
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}
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}
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/* check if it is interactive shell */
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if (!isatty(STDIN_FILENO))
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die("ccc: No tty detected. ccc requires an interactive shell to run.\n");
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struct sigaction sa;
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sa.sa_handler = handle_sigwinch;
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sa.sa_flags = SA_RESTART;
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sigemptyset(&sa.sa_mask);
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if (sigaction(SIGWINCH, &sa, NULL) == -1) {
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perror("sigaction");
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exit(1);
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}
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/* initialize screen, don't print special chars,
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* make ctrl + c work, don't show cursor
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* enable arrow keys */
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bprintf("\033[?1049h\033[2J\033[?25l");
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tcgetattr(STDIN_FILENO, &oldt);
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newt = oldt;
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/* Disable canonical mode and echo */
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newt.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
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/* newt.c_oflag &= ~(OPOST); */
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newt.c_cflag |= (CS8);
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newt.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
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newt.c_cc[VMIN] = 0;
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newt.c_cc[VTIME] = 1;
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tcsetattr(STDIN_FILENO, TCSAFLUSH, &newt);
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/* init files and marked arrays */
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marked = arraylist_init(100);
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hashtable_init();
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cwd = memalloc(PATH_MAX);
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getcwd(cwd, PATH_MAX);
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p_cwd = memalloc(PATH_MAX);
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p_cwd[0] = '\0';
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populate_files(cwd, 0, &files);
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handle_sigwinch(-1);
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if (to_open_file) {
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sel_file = arraylist_search(files, argv_cp, 1);
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list_files();
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}
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int ch, ch2;
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int run = 1;
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while (run) {
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ch = read_key();
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switch (ch) {
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/* quit */
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case 'q':
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if (write_last_d() == -1) {
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/* prompt user so error message can be shown to user */
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read_key();
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}
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cleanup();
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run = 0;
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break;
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/* reload */
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case 'z':
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change_dir(cwd, 0, 0);
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break;
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/* go back */
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case BACKSPACE:
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case ARROW_LEFT:
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case 'h':
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/* get parent directory */
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strcpy(p_cwd, cwd);
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char *last_slash = strrchr(cwd, '/');
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if (last_slash != NULL) {
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if (last_slash == cwd) {
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change_dir("/", 0, 0);
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break;
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}
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*last_slash = '\0';
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change_dir(cwd, 0, 0);
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}
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break;
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/* enter directory/open a file */
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case ENTER:
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case ARROW_RIGHT:
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case 'l':
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strcpy(p_cwd, cwd);
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file c_file = files->items[sel_file];
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/* Check if it is directory or a regular file */
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if (c_file.type == DRY) {
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/* Change cwd to directory */
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change_dir(c_file.path, 0, 0);
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} else if (c_file.type == REG) {
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/* Write opened file to a file for file pickers */
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if (file_picker) {
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char opened_file_path[PATH_MAX];
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strcpy(opened_file_path, "~/.cache/ccc/opened_file");
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replace_home(opened_file_path);
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FILE *opened_file = fopen(opened_file_path, "w+");
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fprintf(opened_file, "%s\n", c_file.path);
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fclose(opened_file);
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cleanup();
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run = 0;
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} else {
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edit_file();
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}
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}
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break;
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/* jump up */
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case CTRLU:
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if ((sel_file - jump_num) > 0)
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sel_file -= jump_num;
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else
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sel_file = 0;
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list_files();
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break;
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/* go up */
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case ARROW_UP:
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case 'k':
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if (sel_file > 0)
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sel_file--;
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list_files();
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break;
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/* jump down */
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case CTRLD:
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if ((sel_file + jump_num) < (files->length - 1))
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sel_file += jump_num;
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else
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sel_file = (files->length - 1);
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list_files();
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break;
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/* go down */
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case ARROW_DOWN:
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case 'j':
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if (sel_file < (files->length - 1))
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sel_file++;
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list_files();
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break;
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/* jump to the bottom */
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case 'G':
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sel_file = (files->length - 1);
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list_files();
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break;
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/* jump to the top */
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case 'g':
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ch2 = read_key();
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switch (ch2) {
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case 'g':
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sel_file = 0;
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list_files();
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break;
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default:
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break;
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}
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break;
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/* '~' go to $HOME */
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case TILDE:;
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char *home = getenv("HOME");
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if (home == NULL) {
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wpprintw("$HOME not defined");
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} else {
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change_dir(home, 0, 0);
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}
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break;
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/* go to the trash dir */
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case 't':;
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char *trash_dir = check_trash_dir();
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if (trash_dir != NULL) {
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strcpy(p_cwd, cwd);
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change_dir(trash_dir, 0, 0);
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}
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break;
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/* sort files */
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case 'u':
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sort_files();
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break;
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/* show directories' sizes */
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case 'A':
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dirs_size = !dirs_size;
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change_dir(cwd, 0, 0);
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break;
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/* go to previous dir */
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case '-':
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if (strlen(p_cwd) != 0)
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change_dir(p_cwd, 0, 0);
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break;
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/* show help */
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case '?':
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show_help();
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break;
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/* toggle hidden files */
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case '.':
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show_hidden = !show_hidden;
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change_dir(cwd, 0, 0);
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break;
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/* toggle file details */
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case 'i':
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show_details = !show_details;
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change_dir(cwd, 0, 0);
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break;
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case 'w':
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show_icons = !show_icons;
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change_dir(cwd, 0, 0);
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break;
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case 'f':
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create_file();
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break;
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case 'n':
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create_dir();
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break;
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case 'r':
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rename_file();
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break;
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case ':':
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goto_dir();
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break;
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case 'X':
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toggle_executable();
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break;
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/* mark one file */
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case SPACE:
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add_file_stat(files->items[sel_file].name, files->items[sel_file].path, 1);
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list_files();
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break;
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/* mark all files in directory */
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case 'a':
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change_dir(cwd, sel_file, 2); /* reload current dir */
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break;
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/* mark actions: */
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/* delete */
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case 'd':
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delete_files();
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break;
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/* move */
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case 'm':
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if (marked->length) {
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;
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}
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break;
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/* copy */
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case 'c':
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if (marked->length) {
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;
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}
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break;
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/* symbolic link */
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case 's':
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if (marked->length) {
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;
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}
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break;
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/* bulk rename */
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case 'b':
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if (marked->length) {
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;
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}
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break;
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default:
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break;
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}
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}
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return 0;
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}
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void handle_sigwinch(int ignore)
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{
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get_window_size(&rows, &cols);
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if (cols < 80 || rows < 24) {
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cleanup();
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die("ccc: Terminal size needs to be at least 80x24");
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}
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half_width = cols / 2 + window_offset;
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list_files();
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}
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void cleanup(void)
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{
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if (argv_cp != NULL)
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free(argv_cp);
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if (files->length != 0) {
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arraylist_free(files);
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}
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if (marked->length != 0) {
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arraylist_free(marked);
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}
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/* Restore old terminal settings */
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tcsetattr(STDIN_FILENO, TCSAFLUSH, &oldt);
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bprintf("\033[2J\033[?1049l\033[?25h");
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}
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void show_help(void)
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{
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bprintf("\033[2J");
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move_cursor(1, 1);
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bprintf("h: go to parent dir\nj: scroll down\nk: scroll up\n"
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"l: go to child dir\n\nleft: go to parent dir\ndown: scroll down\n"
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"up: scroll up\nright: go to child dir\n\n"
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"enter: go to child dir/open file\nbackspace: go to parent dir\n\n"
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"gg: go to top\nG: go to bottom\n\nctrl+u: jump up\nctrl+d: jump down\n\n"
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"t: go to trash dir\n~: go to home dir\n-: go to previous dir\n"
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"z: refresh current dir\n:: go to a directory by typing\nu: sort files\n\n"
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".: toggle hidden files\ni: toggle file details\nX: toggle executable\n\n"
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"A: show directory disk usage/block size\n\nf: new file\nn: new dir\n"
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"r: rename\n\nspace: mark file\na: mark all files in directory\nd: trash"
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"\n\n?: show help\nq: exit with last dir written to file\n"
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"ctrl+c exit without writing last dir"
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);
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wpprintw("Visit https://github.com/night0721/ccc or use 'man ccc' for help");
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}
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/*
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* Checks if the trash directory is set and returns it
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*/
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char *check_trash_dir(void)
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{
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char *path = memalloc(PATH_MAX);
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/* check if there is trash_dir */
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if (!strcmp(trash_dir, "")) {
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wpprintw("Trash directory not defined");
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return NULL;
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} else {
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strcpy(path, trash_dir);
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/* if trash_dir has ~ then make it $HOME */
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/* use path as trash_dir */
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if (path[0] == '~')
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replace_home(path);
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/* if has access to trash_dir */
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if (access(path, F_OK) != 0) {
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/* create the directory with 755 permissions if it doesn't exist */
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mkdir_p(path);
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}
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}
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return path;
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}
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|
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/*
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* Change directory in window with selection
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*/
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void change_dir(const char *buf, int selection, int ftype)
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{
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if (cwd != buf)
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strcpy(cwd, buf);
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if (ftype == 0)
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arraylist_free(files);
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chdir(cwd);
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sel_file = selection;
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populate_files(cwd, ftype, &files);
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}
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|
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/*
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* Recursively create directory by creating each subdirectory
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* like mkdir -p
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*/
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void mkdir_p(const char *destdir)
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{
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char *path = memalloc(PATH_MAX);
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char dir_path[PATH_MAX] = "";
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if (destdir[0] == '~') {
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char *home = getenv("HOME");
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if (home == NULL) {
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wpprintw("$HOME not defined");
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return;
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}
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/* replace ~ with home */
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snprintf(path, PATH_MAX, "%s%s", home, destdir + 1);
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} else {
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strcpy(path, destdir);
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}
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/* fix first / not appearing in the string */
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if (path[0] == '/')
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dir_path[0] = '/';
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char *token = strtok(path, "/");
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while (token != NULL) {
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strcat(dir_path, token);
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strcat(dir_path, "/");
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if (mkdir(dir_path, 0755) == -1) {
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struct stat st;
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if (stat(dir_path, &st) == 0 && S_ISDIR(st.st_mode)) {
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/* Directory already exists, continue to the next dir */
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token = strtok(NULL, "/");
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continue;
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}
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wpprintw("mkdir failed: %s", strerror(errno));
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free(path);
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return;
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}
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token = strtok(NULL, "/");
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}
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|
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free(path);
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return;
|
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}
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|
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/*
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* Read the provided directory and add all files in directory to an Arraylist
|
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* ftype: normal files = 0, marked = 1, marking ALL = 2
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*/
|
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void populate_files(const char *path, int ftype, ArrayList **list)
|
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{
|
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DIR *dp;
|
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struct dirent *ep;
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|
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if ((dp = opendir(path)) != NULL) {
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if (ftype == 0) {
|
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tmp1 = arraylist_init(10);
|
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tmp2 = arraylist_init(10);
|
|
}
|
|
|
|
while ((ep = readdir(dp)) != NULL) {
|
|
char *filename = estrdup(ep->d_name);
|
|
|
|
/* Filter out dotfiles */
|
|
if ((!show_hidden && strncmp(filename, ".", 1) && strncmp(filename, "..", 2))
|
|
|| (show_hidden && strcmp(filename, ".") && strcmp(filename, ".."))) {
|
|
/* Construct full file path */
|
|
int fpath_len = strlen(path) + strlen(filename) + 2;
|
|
char *fpath = memalloc(fpath_len);
|
|
snprintf(fpath, fpath_len, "%s/%s", path, filename);
|
|
add_file_stat(filename, fpath, ftype);
|
|
}
|
|
else free(filename);
|
|
}
|
|
if (ftype == 0) {
|
|
*list = arraylist_init(tmp1->length + tmp2->length);
|
|
(*list)->length = tmp1->length + tmp2->length;
|
|
qsort(tmp1->items, tmp1->length, sizeof(file), sort_compare);
|
|
qsort(tmp2->items, tmp2->length, sizeof(file), sort_compare);
|
|
memcpy((*list)->items, tmp1->items, tmp1->length * sizeof(file));
|
|
memcpy((*list)->items + tmp1->length, tmp2->items, tmp2->length * sizeof(file));
|
|
free(tmp1->items);
|
|
free(tmp2->items);
|
|
free(tmp1);
|
|
free(tmp2);
|
|
}
|
|
closedir(dp);
|
|
if (list == &files)
|
|
list_files();
|
|
} else {
|
|
wpprintw("stat failed: %s", strerror(errno));
|
|
}
|
|
}
|
|
|
|
int get_directory_size(const char *fpath, const struct stat *sb, int typeflag, struct FTW *ftwbuf)
|
|
{
|
|
total_dir_size += sb->st_size;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Get file's last modified time, size, type
|
|
* Add that file into list
|
|
* ftype: normal file = 0, normal marked = 1, marked ALL = 2
|
|
*/
|
|
void add_file_stat(char *filename, char *path, int ftype)
|
|
{
|
|
struct stat file_stat;
|
|
if (stat(path, &file_stat) == -1) {
|
|
/* can't be triggered? */
|
|
if (errno == EACCES)
|
|
arraylist_add(files, filename, path, NULL, REG, NULL, DEF_COLOR, 0, 0);
|
|
}
|
|
|
|
int type;
|
|
char *icon_str = memalloc(8);
|
|
|
|
filename[strlen(filename)] = '\0';
|
|
/* handle file without extension
|
|
* ext is the extension if . exist in filename
|
|
* otherwise is nothing and handled through tenery operator */
|
|
char *ext = strrchr(filename, '.');
|
|
if (ext != NULL) {
|
|
ext += 1;
|
|
}
|
|
/* add file extension */
|
|
icon *ext_icon = hashtable_search(ext != NULL ? ext : filename);
|
|
if (ext_icon == NULL)
|
|
memcpy(icon_str, "", 4);
|
|
else
|
|
memcpy(icon_str, ext_icon->icon, 5);
|
|
|
|
int color = DEF_COLOR;
|
|
|
|
if (S_ISDIR(file_stat.st_mode)) {
|
|
type = DRY; /* dir */
|
|
color = DIR_COLOR;
|
|
memcpy(icon_str, "", 5);
|
|
} else if (S_ISREG(file_stat.st_mode)) {
|
|
type = REG; /* regular file */
|
|
color = REG_COLOR;
|
|
} else if (S_ISLNK(file_stat.st_mode)) {
|
|
type = LNK; /* symbolic link */
|
|
color = LNK_COLOR;
|
|
} else if (S_ISCHR(file_stat.st_mode)) {
|
|
type = CHR; /* character device */
|
|
color = CHR_COLOR;
|
|
} else if (S_ISSOCK(file_stat.st_mode)) {
|
|
type = SOC; /* socket */
|
|
color = SOC_COLOR;
|
|
} else if (S_ISBLK(file_stat.st_mode)) {
|
|
type = BLK; /* block device */
|
|
color = BLK_COLOR;
|
|
} else if (S_ISFIFO(file_stat.st_mode)) {
|
|
type = FIF; /* FIFO */
|
|
color = FIF_COLOR;
|
|
}
|
|
|
|
/* If file is to be marked */
|
|
if (ftype == 1 || ftype == 2) {
|
|
/* Force if user is marking all files */
|
|
int force = ftype == 2 ? 1 : 0;
|
|
arraylist_add(marked, filename, path, NULL, type, icon_str, DEF_COLOR, 1,
|
|
force);
|
|
/* free type and return without allocating more stuff */
|
|
return;
|
|
}
|
|
|
|
/* get last modified time */
|
|
size_t time_size = 17;
|
|
char *time = memalloc(time_size);
|
|
/* Format last modified time to a string */
|
|
strftime(time, time_size, "%Y-%m-%d %H:%M", localtime(&file_stat.st_mtime));
|
|
|
|
/* get file size */
|
|
double bytes = file_stat.st_size;
|
|
|
|
if (dirs_size) {
|
|
/* dirs_size is 1, so calculate disk usage */
|
|
if (S_ISDIR(file_stat.st_mode)) {
|
|
/* at most 15 fd opened */
|
|
total_dir_size = 0;
|
|
nftw(path, &get_directory_size, 15, FTW_PHYS);
|
|
bytes = total_dir_size;
|
|
}
|
|
}
|
|
/* 4 before decimal + 1 dot + decimal_place (after decimal) +
|
|
unit length (1 for K, 3 for KiB, taking units[1] as B never changes) + 1 space + 1 null */
|
|
static const char* units[] = {"B", "K", "M", "G", "T", "P"};
|
|
int size_size = 4 + 1 + decimal_place + strlen(units[1]) + 1 + 1;
|
|
char *size = memalloc(size_size);
|
|
int unit = 0;
|
|
while (bytes > 1024) {
|
|
bytes /= 1024;
|
|
unit++;
|
|
}
|
|
/* display sizes and check if there are decimal places */
|
|
if (bytes == (unsigned int) bytes) {
|
|
sprintf(size, "%d%s", (unsigned int) bytes, units[unit]);
|
|
} else {
|
|
sprintf(size, "%.*f%s", decimal_place, bytes, units[unit]);
|
|
}
|
|
/* get file mode string */
|
|
char *mode_str = get_file_mode(file_stat.st_mode);
|
|
if (mode_str[0] == '-' && (mode_str[3] == 'x' || mode_str[6] == 'x' || mode_str[9] == 'x')) {
|
|
color = EXE_COLOR;
|
|
}
|
|
|
|
/* mode_str(11) + time(17) + size_size + 2 spaces + 1 null */
|
|
size_t stat_size = 11 + time_size + size_size + 3;
|
|
char *total_stat = memalloc(stat_size);
|
|
snprintf(total_stat, stat_size, "%s %s %-*s", mode_str, time, size_size, size);
|
|
|
|
/* DIR if color is blue */
|
|
if (color == 34)
|
|
arraylist_add(tmp1, filename, path, total_stat, type, icon_str, color, 0, 0);
|
|
else
|
|
arraylist_add(tmp2, filename, path, total_stat, type, icon_str, color, 0, 0);
|
|
|
|
free(time);
|
|
free(size);
|
|
free(mode_str);
|
|
}
|
|
|
|
/*
|
|
* get file mode string from stat mode
|
|
* eg: drwxr-sr-x
|
|
*/
|
|
char *get_file_mode(mode_t mode)
|
|
{
|
|
char *mode_str = memalloc(11);
|
|
mode_str[0] = S_ISDIR(mode) ? 'd' : '-';
|
|
mode_str[1] = (mode & S_IRUSR) ? 'r' : '-';
|
|
mode_str[2] = (mode & S_IWUSR) ? 'w' : '-';
|
|
mode_str[3] = (mode & S_IXUSR) ? 'x' : '-';
|
|
mode_str[4] = (mode & S_IRGRP) ? 'r' : '-';
|
|
mode_str[5] = (mode & S_IWGRP) ? 'w' : '-';
|
|
mode_str[6] = (mode & S_IXGRP) ? 'x' : '-';
|
|
mode_str[7] = (mode & S_IROTH) ? 'r' : '-';
|
|
mode_str[8] = (mode & S_IWOTH) ? 'w' : '-';
|
|
mode_str[9] = (mode & S_IXOTH) ? 'x' : '-';
|
|
mode_str[10] = '\0';
|
|
return mode_str;
|
|
}
|
|
|
|
/*
|
|
* Print files in directory window
|
|
*/
|
|
void list_files(void)
|
|
{
|
|
long overflow = 0;
|
|
if (sel_file > rows - 4) {
|
|
/* overflown */
|
|
overflow = sel_file - (rows - 4);
|
|
}
|
|
|
|
/* calculate range of files to show */
|
|
long range = files->length;
|
|
/* not highlight if no files in directory */
|
|
if (range == 0 && errno == 0) {
|
|
for (int i = 0; i < rows; i++) {
|
|
move_cursor(i + 1, 1);
|
|
bprintf("\033[K");
|
|
}
|
|
move_cursor(1, half_width);
|
|
bprintf("empty directory");
|
|
return;
|
|
}
|
|
|
|
if (range > rows - 3) {
|
|
/* if there are more files than rows available to display
|
|
* shrink range to avaiable rows to display with
|
|
* overflow to keep the number of iterations to be constant */
|
|
range = rows - 3 + overflow;
|
|
}
|
|
|
|
move_cursor(1, 1);
|
|
bprintf("\033[2J");
|
|
|
|
for (long i = overflow; i < range; i++) {
|
|
int is_selected = 0;
|
|
if ((overflow == 0 && i == sel_file) ||
|
|
(overflow != 0 && i == sel_file)) {
|
|
is_selected = 1;
|
|
/* check for marked files */
|
|
long num_marked = marked->length;
|
|
if (num_marked > 0) {
|
|
/* Determine length of formatted string */
|
|
int m_len = snprintf(NULL, 0, "[%ld] selected", num_marked);
|
|
char *selected = memalloc(m_len + 1);
|
|
|
|
snprintf(selected, m_len + 1, "[%ld] selected", num_marked);
|
|
wpprintw("(%ld/%ld) %s %s", sel_file + 1, files->length, selected, cwd);
|
|
} else {
|
|
wpprintw("(%ld/%ld) %s", sel_file + 1, files->length, cwd);
|
|
}
|
|
}
|
|
/* print the actual filename and stats */
|
|
char *line = get_line(files, i, show_details, show_icons);
|
|
int color = files->items[i].color;
|
|
/* check is file marked for action */
|
|
int is_marked = arraylist_search(marked, files->items[i].path, 0) != -1;
|
|
move_cursor(i + 1, 1);
|
|
if (is_marked) color = 32;
|
|
bprintf("\033[30m\033[%dm%s\033[0m\n",
|
|
is_selected ? color + 10 : color, line);
|
|
|
|
free(line);
|
|
}
|
|
|
|
/* show file content every time cursor changes */
|
|
show_file_content();
|
|
}
|
|
|
|
size_t get_effective_length(const char *str)
|
|
{
|
|
size_t length = 0;
|
|
int in_ansi_sequence = 0;
|
|
|
|
while (*str) {
|
|
if (*str == '\033') {
|
|
in_ansi_sequence = 1;
|
|
} else if (in_ansi_sequence && *str == 'm') {
|
|
in_ansi_sequence = 0;
|
|
} else if (!in_ansi_sequence) {
|
|
length++;
|
|
}
|
|
str++;
|
|
}
|
|
|
|
return length;
|
|
}
|
|
|
|
void print_chunk(const char *str, size_t start, size_t end)
|
|
{
|
|
int in_ansi_sequence = 0;
|
|
size_t printed_length = 0;
|
|
|
|
for (size_t i = start; i < end; i++) {
|
|
if (str[i] == '\033') {
|
|
in_ansi_sequence = 1;
|
|
}
|
|
if (in_ansi_sequence) {
|
|
putchar(str[i]);
|
|
if (str[i] == 'm') {
|
|
in_ansi_sequence = 0;
|
|
}
|
|
} else {
|
|
putchar(str[i]);
|
|
printed_length++;
|
|
if (printed_length >= (end - start)) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Get file content into buffer and show it to preview window
|
|
*/
|
|
void show_file_content(void)
|
|
{
|
|
file current_file = files->items[sel_file];
|
|
|
|
move_cursor(1, half_width);
|
|
if (current_file.type == DRY) {
|
|
ArrayList *files_visit;
|
|
populate_files(current_file.name, 0, &files_visit);
|
|
for (long i = 0; i < files_visit->length; i++) {
|
|
char *line = get_line(files_visit, i, 0, show_icons);
|
|
int color = files_visit->items[i].color;
|
|
move_cursor(i + 1, half_width);
|
|
bprintf("\033[K\033[%dm%s\033[m\n", color, line);
|
|
}
|
|
arraylist_free(files_visit);
|
|
return;
|
|
}
|
|
FILE *file = fopen(current_file.path, "r");
|
|
if (file == NULL) {
|
|
bprintf("Unable to read %s", current_file.name);
|
|
return;
|
|
}
|
|
|
|
int c;
|
|
/* Check if its binary */
|
|
while ((c = fgetc(file)) != EOF) {
|
|
if (c == '\0') {
|
|
bprintf("binary");
|
|
return;
|
|
}
|
|
}
|
|
int pipe_fd[2];
|
|
if (pipe(pipe_fd) == -1) {
|
|
perror("pipe");
|
|
return;
|
|
}
|
|
int pid = fork();
|
|
if (pid == 0) {
|
|
/* Child */
|
|
move_cursor(1, half_width);
|
|
close(pipe_fd[0]);
|
|
dup2(pipe_fd[1], STDOUT_FILENO);
|
|
dup2(pipe_fd[1], STDERR_FILENO);
|
|
close(pipe_fd[1]);
|
|
execlp("vip", "vip", "-c", current_file.name, NULL);
|
|
_exit(1);
|
|
} else if (pid > 0) {
|
|
/* Parent */
|
|
close(pipe_fd[1]);
|
|
char buffer[4096];
|
|
int row = 1;
|
|
FILE *stream = fdopen(pipe_fd[0], "r");
|
|
while (fgets(buffer, sizeof(buffer), stream) != NULL && row <= rows - 1) {
|
|
buffer[strcspn(buffer, "\n")] = 0;
|
|
|
|
if (buffer[0] == '\0' || strspn(buffer, " \t") == strlen(buffer)) {
|
|
move_cursor(row++, half_width);
|
|
putchar('\n');
|
|
continue;
|
|
}
|
|
/* Length without ANSI codes */
|
|
size_t effective_len = get_effective_length(buffer);
|
|
size_t offset = 0;
|
|
while (effective_len > 0 && row <= rows - 1) {
|
|
move_cursor(row++, half_width);
|
|
|
|
/* Calculate the chunk size based on effective length */
|
|
size_t chunk_size = (effective_len > (cols - half_width)) ? (cols - half_width) : effective_len;
|
|
|
|
/* Find the actual end position in the string to avoid cutting ANSI sequences */
|
|
size_t actual_end = offset;
|
|
size_t visible_count = 0;
|
|
int in_ansi_sequence = 0;
|
|
|
|
while (visible_count < chunk_size && buffer[actual_end] != '\0') {
|
|
if (buffer[actual_end] == '\033') {
|
|
in_ansi_sequence = 1;
|
|
}
|
|
if (!in_ansi_sequence) {
|
|
visible_count++;
|
|
}
|
|
if (in_ansi_sequence && buffer[actual_end] == 'm') {
|
|
in_ansi_sequence = 0;
|
|
}
|
|
actual_end++;
|
|
}
|
|
|
|
/* Print the chunk from `offset` to `actual_end` */
|
|
print_chunk(buffer, offset, actual_end);
|
|
|
|
/* Update offsets based on the effective length and ANSI-aware chunk */
|
|
offset = actual_end;
|
|
effective_len -= chunk_size;
|
|
|
|
putchar('\n');
|
|
}
|
|
/* Check if the line ends with the ANSI reset sequence `\033[0m` */
|
|
size_t len = strlen(buffer);
|
|
if (len >= 4 && strcmp(&buffer[len - 4], "\033[0m") == 0) {
|
|
/* Line ends with ANSI reset, print it */
|
|
printf("\033[0m");
|
|
}
|
|
}
|
|
fclose(stream);
|
|
waitpid(pid, NULL, 0);
|
|
} else {
|
|
wpprintw("fork failed: %s", strerror(errno));
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Opens $EDITOR to edit the file
|
|
*/
|
|
void edit_file(void)
|
|
{
|
|
if (editor == NULL) {
|
|
editor = getenv("EDITOR");
|
|
if (editor == NULL) {
|
|
wpprintw("$EDITOR not defined");
|
|
return;
|
|
}
|
|
} else {
|
|
char *filename = files->items[sel_file].path;
|
|
|
|
pid_t pid = fork();
|
|
if (pid == 0) {
|
|
/* Child process */
|
|
execlp(editor, editor, filename, NULL);
|
|
_exit(1); /* Exit if exec fails */
|
|
} else if (pid > 0) {
|
|
/* Parent process */
|
|
waitpid(pid, NULL, 0);
|
|
list_files();
|
|
} else {
|
|
/* Fork failed */
|
|
wpprintw("fork failed: %s", strerror(errno));
|
|
}
|
|
}
|
|
}
|
|
|
|
void toggle_executable(void)
|
|
{
|
|
file f = files->items[sel_file];
|
|
struct stat st;
|
|
if (stat(f.path, &st) == -1) {
|
|
wpprintw("stat failed: %s", strerror(errno));
|
|
}
|
|
if (f.type == DRY)
|
|
return;
|
|
/* chmod by xor executable bits */
|
|
if (chmod(f.path, st.st_mode ^ (S_IXUSR | S_IXGRP | S_IXOTH)) == -1) {
|
|
wpprintw("Error toggling executable: %s", strerror(errno));
|
|
}
|
|
|
|
}
|
|
|
|
void replace_home(char *str)
|
|
{
|
|
char *home = getenv("HOME");
|
|
if (home == NULL) {
|
|
wpprintw("$HOME not defined");
|
|
return;
|
|
}
|
|
int len = strlen(str) + strlen(home) + 1;
|
|
char newstr[len];
|
|
/* replace ~ with home */
|
|
snprintf(newstr, len, "%s%s", home, str + 1);
|
|
strcpy(str, newstr);
|
|
}
|
|
|
|
int write_last_d(void)
|
|
{
|
|
if (!strcmp(last_d, "")) {
|
|
strcpy(last_d, getenv("CCC_LAST_D"));
|
|
if (!strcmp(last_d, "")) {
|
|
wpprintw("$CCC_LAST_D not defined (Press enter to continue)");
|
|
return -1;
|
|
}
|
|
} else {
|
|
if (last_d[0] == '~')
|
|
replace_home(last_d);
|
|
|
|
char last_ddup[PATH_MAX];
|
|
strcpy(last_ddup, last_d);
|
|
|
|
char *last_d_dir = strrchr(last_ddup, '/');
|
|
if (last_d_dir != NULL) {
|
|
*last_d_dir = '\0'; /* truncate string */
|
|
}
|
|
mkdir_p(last_ddup);
|
|
FILE *last_d_file = fopen(last_d, "w");
|
|
if (last_d_file == NULL) {
|
|
wpprintw("Cannot open last directory file (Press enter to continue)");
|
|
return -1;
|
|
}
|
|
fwrite(cwd, strlen(cwd), sizeof(char), last_d_file);
|
|
fclose(last_d_file);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int sort_compare(const void *a, const void *b)
|
|
{
|
|
return strcmp(((file *) a)->name, ((file *) b)->name);
|
|
}
|
|
|
|
void sort_files(void)
|
|
{
|
|
qsort(files->items, files->length, sizeof(file), sort_compare);
|
|
list_files();
|
|
}
|
|
|
|
char *get_panel_string(char *prompt)
|
|
{
|
|
size_t bufsize = 128;
|
|
char *buf = memalloc(bufsize);
|
|
size_t buflen = 0;
|
|
buf[0] = '\0';
|
|
while (1) {
|
|
wpprintw(prompt);
|
|
int c = read_key();
|
|
if (c == BACKSPACE) {
|
|
if (buflen != 0) {
|
|
buf[--buflen] = '\0';
|
|
}
|
|
} else if (c == '\033') {
|
|
wpprintw("");
|
|
free(buf);
|
|
return NULL;
|
|
} else if (c == '\r') {
|
|
wpprintw("");
|
|
if (buflen != 0) {
|
|
return buf;
|
|
}
|
|
} else if (!iscntrl(c) && c < 128) {
|
|
if (buflen == bufsize - 1) {
|
|
bufsize *= 2;
|
|
buf = realloc(buf, bufsize);
|
|
}
|
|
buf[buflen++] = c;
|
|
buf[buflen] = '\0';
|
|
}
|
|
}
|
|
|
|
if (buf[0] == '~')
|
|
replace_home(buf);
|
|
|
|
return buf;
|
|
}
|
|
|
|
void rename_file(void)
|
|
{
|
|
char *filename = files->items[sel_file].path;
|
|
char *input = get_panel_string("Rename file: ");
|
|
char *newfilename = estrdup(filename);
|
|
/* remove basename of newfilename */
|
|
char *last_slash = strrchr(newfilename, '/');
|
|
*last_slash = '\0';
|
|
/* add the slash back to newfilename */
|
|
strcat(newfilename, "/");
|
|
strcat(newfilename, input);
|
|
if (rename(filename, newfilename)) {
|
|
wpprintw("rename failed: %s (Press enter to continue)", strerror(errno));
|
|
read_key();
|
|
} else {
|
|
change_dir(cwd, 0, 0);
|
|
wpprintw("Renamed %s to %s", filename, newfilename);
|
|
}
|
|
free(input);
|
|
free(newfilename);
|
|
}
|
|
|
|
void goto_dir(void)
|
|
{
|
|
char *input = get_panel_string("Goto dir: ");
|
|
struct stat st;
|
|
if (lstat(input, &st)) {
|
|
wpprintw("lstat failed: %s (Press enter to continue)", strerror(errno));
|
|
read_key();
|
|
}
|
|
/* chdir to directory from argument */
|
|
if (S_ISDIR(st.st_mode) && chdir(input)) {
|
|
wpprintw("chdir failed: %s (Press enter to continue)", strerror(errno));
|
|
read_key();
|
|
}
|
|
getcwd(cwd, PATH_MAX);
|
|
change_dir(cwd, 0, 0);
|
|
free(input);
|
|
}
|
|
|
|
void create_dir(void)
|
|
{
|
|
char *input = get_panel_string("New dir: ");
|
|
char *newfilename = memalloc(PATH_MAX);
|
|
snprintf(newfilename, PATH_MAX, "%s/%s", cwd, input);
|
|
if (access(newfilename, F_OK) != 0) {
|
|
mkdir_p(newfilename);
|
|
change_dir(cwd, 0, 0);
|
|
wpprintw("Created %s", input);
|
|
} else {
|
|
wpprintw("Directory already exist");
|
|
}
|
|
free(input);
|
|
free(newfilename);
|
|
}
|
|
|
|
void create_file(void)
|
|
{
|
|
char *input = get_panel_string("New file: ");
|
|
FILE *f = fopen(input, "w+");
|
|
fclose(f);
|
|
change_dir(cwd, 0, 0);
|
|
wpprintw("Created %s", input);
|
|
free(input);
|
|
}
|
|
|
|
void delete_files(void)
|
|
{
|
|
if (marked->length) {
|
|
char *trash_dir = check_trash_dir();
|
|
if (trash_dir != NULL) {
|
|
for (int i = 0; i < marked->length; i++) {
|
|
char *new_path = memalloc(PATH_MAX);
|
|
snprintf(new_path, PATH_MAX, "%s/%s", trash_dir, marked->items[i].name);
|
|
if (rename(marked->items[i].path, new_path)) {
|
|
wpprintw("delete failed: %s", strerror(errno));
|
|
} else {
|
|
change_dir(cwd, 0, 0);
|
|
}
|
|
}
|
|
for (int i = 0; i < marked->length; i++) {
|
|
arraylist_remove(marked, 0);
|
|
}
|
|
} else {
|
|
wpprintw("TODO: implement hard delete");
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Print line to the panel
|
|
*/
|
|
void wpprintw(const char *fmt, ...)
|
|
{
|
|
char buffer[256];
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
vsnprintf(buffer, sizeof(buffer), fmt, args);
|
|
va_end(args);
|
|
|
|
move_cursor(rows, 1);
|
|
/* Clear line and print formatted string */
|
|
bprintf("\033[K%s", buffer);
|
|
}
|
|
|
|
void move_cursor(int row, int col)
|
|
{
|
|
bprintf("\033[%d;%dH", row, col);
|
|
}
|
|
|
|
int read_key(void)
|
|
{
|
|
int nread;
|
|
char c;
|
|
while ((nread = read(STDIN_FILENO, &c, 1)) != 1) {
|
|
if (nread == -1 && errno != EAGAIN) {
|
|
die("read");
|
|
}
|
|
}
|
|
|
|
if (c == '\033') {
|
|
char seq[3];
|
|
|
|
if (read(STDIN_FILENO, &seq[0], 1) != 1)
|
|
return '\033';
|
|
if (read(STDIN_FILENO, &seq[1], 1) != 1)
|
|
return '\033';
|
|
|
|
if (seq[0] == '[') {
|
|
if (seq[1] >= '0' && seq[1] <= '9') {
|
|
if (read(STDIN_FILENO, &seq[2], 1) != 1)
|
|
return '\033';
|
|
if (seq[2] == '~') {
|
|
switch (seq[1]) {
|
|
case '1': return HOME_KEY;
|
|
case '3': return DEL_KEY;
|
|
case '4': return END_KEY;
|
|
case '5': return PAGE_UP;
|
|
case '6': return PAGE_DOWN;
|
|
case '7': return HOME_KEY;
|
|
case '8': return END_KEY;
|
|
}
|
|
}
|
|
} else {
|
|
switch (seq[1]) {
|
|
case 'A': return ARROW_UP;
|
|
case 'B': return ARROW_DOWN;
|
|
case 'C': return ARROW_RIGHT;
|
|
case 'D': return ARROW_LEFT;
|
|
case 'F': return END_KEY;
|
|
case 'H': return HOME_KEY;
|
|
}
|
|
}
|
|
} else if (seq[0] == 'O') {
|
|
switch (seq[1]) {
|
|
case 'F': return END_KEY;
|
|
case 'H': return HOME_KEY;
|
|
}
|
|
}
|
|
return '\033';
|
|
} else {
|
|
return c;
|
|
}
|
|
}
|
|
|
|
int get_cursor_position(int *rows, int *cols)
|
|
{
|
|
char buf[32];
|
|
unsigned int i = 0;
|
|
bprintf("\033[6n");
|
|
while (i < sizeof(buf) - 1) {
|
|
if (read(STDIN_FILENO, &buf[i], 1) != 1) {
|
|
break;
|
|
}
|
|
if (buf[i] == 'R') {
|
|
break;
|
|
}
|
|
i++;
|
|
}
|
|
buf[i] = '\0';
|
|
if (buf[0] != '\033' || buf[1] != '[') {
|
|
return -1;
|
|
}
|
|
if (sscanf(&buf[2], "%d;%d", rows, cols) != 2) {
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int get_window_size(int *row, int *col)
|
|
{
|
|
struct winsize ws;
|
|
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0) {
|
|
/* Can't get window size */
|
|
bprintf("\033[999C\033[999B");
|
|
return get_cursor_position(row, col);
|
|
} else {
|
|
*col = ws.ws_col;
|
|
*row = ws.ws_row;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* printf, but write to STDOUT_FILENO
|
|
*/
|
|
void bprintf(const char *fmt, ...)
|
|
{
|
|
char buffer[512];
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
vsnprintf(buffer, sizeof(buffer), fmt, args);
|
|
va_end(args);
|
|
|
|
write(STDOUT_FILENO, buffer, strlen(buffer));
|
|
}
|