commit d06538fa919b22247aca9a47f16ef7a82dd6a6e3
Author: Raniconduh <clagv.randomgames@gmail.com>
Date: Sun Oct 10 15:59:28 2021 +0000
update .gitignore, remove scroll.c
diff --git a/.gitignore b/.gitignore
index 780cc79..a2974fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14 +12 @@
-.scroll.c.swp
-.README.md.swp
-.Makefile.swp
+.*.swp
cscroll
diff --git a/scroll.c b/scroll.c
deleted file mode 100644
index 4f1b8b2..0000000
--- a/scroll.c
+++ /dev/null
@@ -1330 +00 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ncurses.h>
-#include <dirent.h>
-#include <signal.h>
-
-
-#define PWD "PWD"
-
-#define BLUE 1
-#define HBLUE 2
-#define CYAN 3
-#define HCYAN 4
-#define GREEN 5
-#define HGREEN 6
-#define MAGENTA 7
-#define HMAGENTA 8
-#define YELLOW 9
-#define HYELLOW 10
-#define RED 11
-#define HRED 12
-#define WHITE 13
-#define HWHITE 14
-
-void help(void);
-void listitems(void);
-void sighandler(int);
-
-bool isdir(const char *);
-bool isfifo(const char *);
-bool isblock(const char *);
-bool islink(const char *);
-bool isunknown(const char *);
-bool isreg(const char *);
-
-void print_file(char *, bool);
-
-void cdback();
-void enter(char *);
-
-// current working directory
-char * cwd;
-
-// array of files in directory
-char ** dirContents;
-// number of files in directory
-size_t dirCount = 0;
-
-
-int main ( int argc, char ** argv ) {
- // cwd is pwd if no args given
- if (argc < 2) {
- // this is a safer way of storing the home dir
- cwd = malloc(sizeof(char) * (strlen(getenv(PWD)) + 3));
- strcpy(cwd, getenv(PWD));
- strcat(cwd, "/"); // append the '\0' with strcat
- //help menu
- } else if (!strcmp(argv[1], "--help") || !strcmp(argv[1], "-h")) {
- help();
- exit(0);
- } else {
- cwd = malloc(sizeof(char) * (strlen(argv[1]) + 3));
- strcpy(cwd, argv[1]);
-
- if (cwd[strlen(cwd) - 1] != '/') {
- strcat(cwd, "/");
- }
-
- }
-
- initscr();
- // this is here so that endwin() is called after init
- signal(SIGINT, sighandler);
- signal(SIGSEGV, sighandler);
-
- curs_set(0);
-
- // init color pairs
- start_color();
- // odd pairs are : color fg on black bg
- // even pairs are: black fg on color bg
- init_pair(BLUE, COLOR_BLUE, COLOR_BLACK); // blue fg on black bg
- init_pair(HBLUE, COLOR_BLACK, COLOR_BLUE); // black fg on blue bg
-
- init_pair(CYAN, COLOR_CYAN, COLOR_BLACK); // cyan fg on black bg
- init_pair(HCYAN, COLOR_BLACK, COLOR_CYAN); // black fg on cyan bg
-
- init_pair(GREEN, COLOR_GREEN, COLOR_BLACK); // green fg on black bg
- init_pair(HGREEN, COLOR_BLACK, COLOR_GREEN); // black fg on green bg
-
- init_pair(MAGENTA, COLOR_MAGENTA, COLOR_BLACK);// magenta fg on black bg
- init_pair(HMAGENTA, COLOR_BLACK, COLOR_MAGENTA);// black fg on magenta bg
-
- init_pair(YELLOW, COLOR_YELLOW, COLOR_BLACK); // yellow fg on black bg
- init_pair(HYELLOW, COLOR_BLACK, COLOR_YELLOW);// black fg on yellow bg
-
- init_pair(RED, COLOR_RED, COLOR_BLACK); // red fg on black bg
- init_pair(HRED, COLOR_BLACK, COLOR_RED); // black fg on red bg
-
- init_pair(WHITE, COLOR_WHITE, COLOR_BLACK); // white fg on black gb
- init_pair(HWHITE, COLOR_BLACK, COLOR_WHITE); // black fg on white bg
-
- dirContents = malloc(sizeof(char *) + 1); // allocate something to realloc
- dirContents[0] = malloc(1); // allocate something to free
-
- size_t cursor = 0;
-
- listitems(); // preliminary list to save on disk io
- // driver loop -- ig bools are defined in nh
-
- size_t firstf = 0;
- size_t lastf = (size_t)(LINES - 6) < dirCount ? (size_t)(LINES - 6) : dirCount;
-
- while (true) {
- erase();
-
- // scroll the output up
- if (cursor + 1 >= lastf && lastf < dirCount) {
- lastf++;
- firstf++;
- // scroll the output down
- } else if (cursor - 1 <= firstf && firstf > 0) {
- lastf--;
- firstf--;
- }
-
- printw("\n%s\n\n", cwd); // print path at top
-
- for (size_t i = firstf; i < lastf; i++) {
- if (cursor == i)
- print_file(dirContents[i], true);
- else
- print_file(dirContents[i], false);
- }
-
- attron(COLOR_PAIR(0));
- printw("\n%lu/%lu\n", cursor + 1, dirCount);
- refresh();
-
- char c = getch();
- if (c == 'q') goto done; // 'q' command for quit
- if (c == 'j') cursor < dirCount - 1 ? cursor += 1 : 0; // down key
- else if (c == 'k') cursor > 0 ? cursor -= 1 : 0; // up key
- else if (c == 'h') {
- cdback();
- listitems();
- cursor = 0;
- firstf = 0;
- lastf = (size_t)(LINES - 6) < dirCount ? (size_t)(LINES - 6) : dirCount;
- }
- else if (c == 'l') {
- enter(dirContents[cursor]);
- listitems();
- cursor = 0;
- firstf = 0;
- lastf = (size_t)(LINES - 6) < dirCount ? (size_t)(LINES - 6) : dirCount;
- }
-
- refresh();
- }
-
- done:
- endwin();
-
- free(dirContents);
- free(cwd);
-
- return 0;
-}
-
-
-// no idea how this works but it does
-static int cmp(const void * a, const void * b) {
- return strcmp(*(const char**)a, *(const char**)b);
-}
-
-void listitems(void) {
- struct dirent * dirItem;
- DIR * dir = opendir(cwd);
-
- // free every single index in the list
- // this will prevent future memory leaks
- for (long long i = dirCount; i >= 0; i--) {
- free(dirContents[dirCount]);
- }
-
- dirCount = 0;
- while ((dirItem = readdir(dir)) != NULL) {
- // do not append '.' and '..' directories
- if (!strcmp(dirItem->d_name, "..") || !strcmp(dirItem->d_name, ".")) {
- continue;
- }
- size_t namelen = strlen(dirItem->d_name);
- // allocate memory to store all the pointers
- dirContents = realloc(dirContents, sizeof(char*) * (dirCount + 2));
- // allocate memory for each index to store the file name
- dirContents[dirCount] = malloc(sizeof(char) * (namelen + 3));
-
- strcpy(dirContents[dirCount], dirItem->d_name);
-
-
- // may not work on all machines so this needs to be moved
- // to something more universal like stat
- switch (dirItem->d_type) {
- case DT_DIR: // is a dir
- strcat(dirContents[dirCount], "/");
- break;
- case DT_FIFO: // is a fifo
- strcat(dirContents[dirCount], "|");
- break;
- case DT_LNK: // is a symbolic link
- strcat(dirContents[dirCount], "@");
- break;
- case DT_BLK: // is a block device
- strcat(dirContents[dirCount], "#");
- break;
- case DT_UNKNOWN: // idk what this file is
- strcat(dirContents[dirCount], "?");
- break;
- }
-
- dirCount++;
- }
-
- closedir(dir);
-
- // sort the files
- qsort(dirContents, dirCount, sizeof(char*), cmp);
-}
-
-
-void enter(char * dir) {
- if (!isdir(dir)) return;
- // allocate enough memory to append name of dir
- cwd = realloc(cwd, sizeof(char) * (strlen(cwd) + strlen(dir) + 2));
- // since dir will already end with '/',
- // it is not necessary to append it to end of cwd
- strcat(cwd, dir);
-}
-
-
-void cdback() {
- if (!strcmp(cwd, "/") || !strcmp(cwd, "//")) return;
- size_t clen = strlen(cwd);
- cwd[--clen] = '\0';
- while (cwd[--clen] != '/') cwd[clen] = '\0';
- cwd = realloc(cwd, sizeof(char) * (clen + 2));
-}
-
-
-bool isdir(const char * fname) {
- return fname[strlen(fname) - 1] == '/';
-}
-
-bool isfifo(const char * fname) {
- return fname[strlen(fname) - 1] == '|';
-}
-
-bool isblock(const char * fname) {
- return fname[strlen(fname) - 1] == '#';
-}
-
-bool islink(const char * fname) {
- return fname[strlen(fname) - 1] == '@';
-}
-
-bool isunknown(const char * fname) {
- return fname[strlen(fname) - 1] == '?';
-}
-
-bool isreg(const char * fname) {
- if (isdir(fname) ||
- isfifo(fname) ||
- isblock(fname)||
- islink(fname) ||
- isunknown(fname)) return true;
- else return false;
-}
-
-
-void print_file(char * fname, bool highlight) {
- bool c = false; // c flag :)
- unsigned int cp;
- if (highlight) {
- if (isdir(fname)) cp = HBLUE;
- else if (isfifo(fname) || isblock(fname)) cp = HYELLOW;
- else if (islink(fname)) cp = HCYAN;
- else if (isunknown(fname)) cp = HRED;
- else cp = HWHITE;
- } else {
- if (isdir(fname)) cp = BLUE;
- else if (isfifo(fname) || isblock(fname)) cp = YELLOW;
- else if (islink(fname)) cp = CYAN;
- else if (isunknown(fname)) cp = RED;
- else cp = WHITE;
- }
-
- size_t flen = strlen(fname);
-
- attron(COLOR_PAIR(cp));
- if (cp == WHITE || cp == HWHITE) printw("%s\n", fname);
- else {
- c = true; // set c flag :)
- printw("%.*s", flen - 1, fname); // print up to the last character
- }
- attroff(COLOR_PAIR(cp));
- if (c) printw("%c\n", fname[flen - 1]);
-}
-
-
-void help(void) {
- printf("cscroll\n"
- "Options:\n"
- " -h, --help\t\tShow this screen and exit\n");
-}
-
-
-void sighandler(int signo) {
- if (signo == SIGINT) {
- endwin();
- puts("Exited on SIGINT");
- exit(1);
- } else if (signo == SIGSEGV) {
- endwin();
- puts("Segmentation Fault");
- exit(2);
- }
-}
-
