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-rw-r--r--myal.c232
1 files changed, 0 insertions, 232 deletions
diff --git a/myal.c b/myal.c
deleted file mode 100644
index 0ea1b99..0000000
--- a/myal.c
+++ /dev/null
@@ -1,232 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-const char *filename = "./anime.csv";
-
-typedef struct {
- char name[80];
- char episode[5];
-} entry_t;
-
-typedef enum {
- MATCH_MODE,
- SEARCH_MODE,
- APPEND_MODE,
- EDIT_MODE,
- PRINT_MODE
-} mode_e;
-
-void print_help()
-{
- printf("usage: myal [-s <name>] [-ae <name> <episode>] \n");
- printf(" Prints all entries by default \n");
- printf(" -m <name> Prints all anime containing the given string \n");
- printf(" -s <name> Search for a specific anime by name \n");
- printf(" -a <name> <number> Append new anime and episode to file \n");
- printf(" -e <name> <number> Edit the episode number of an anime \n");
- printf("\n");
-}
-
-char *getfield(char *line, int num)
-{
- char *tok;
- for (tok = strtok(line, ","); tok && *tok; tok = strtok(NULL, ",")) {
- if (!--num) {
- return tok;
- }
- }
- return NULL;
-}
-
-// print everything
-void print_all()
-{
- FILE *fp = fopen(filename, "r");
- if (fp == NULL) {
- fprintf(stderr, "ERROR: no such file\n");
- exit(EXIT_FAILURE);
- }
-
- char line[100];
- while (fgets(line, sizeof(line), fp)) {
- char *tmp = strdup(line);
- char *name = getfield(tmp, 1);
- tmp = strdup(line);
- char *episode = getfield(tmp, 2);
-
- printf("Name: %s Episode: %s", name, episode);
- free(tmp);
- }
- fclose(fp);
-}
-
-// print any entry containing the search string
-void print_matches(const char *sel)
-{
- FILE *fp = fopen(filename, "r");
- if (fp == NULL) {
- fprintf(stderr, "ERROR: no such file\n");
- exit(EXIT_FAILURE);
- }
-
- char line[100];
- while (fgets(line, sizeof(line), fp)) {
- char *tmp = strdup(line);
- char *name = getfield(tmp, 1);
- tmp = strdup(line);
- char *episode = getfield(tmp, 2);
-
- if (strcasestr(name, sel) != NULL) {
- printf("Name: %s Episode: %s", name, episode);
- }
- free(tmp);
- }
- fclose(fp);
-}
-
-// return one single entry matching the search string from the first character
-entry_t *get_entry(const char *sel)
-{
- FILE *fp = fopen(filename, "r");
- if (fp == NULL) {
- fprintf(stderr, "ERROR: no such file\n");
- exit(EXIT_FAILURE);
- }
-
- entry_t *res = malloc(sizeof(entry_t));
- char line[100];
- while (fgets(line, sizeof(line), fp)) {
- char *tmp = strdup(line);
- char *name = getfield(tmp, 1);
- tmp = strdup(line);
- char *episode = getfield(tmp, 2);
-
- if (strncasecmp(name, sel, strlen(sel)) == 0) {
- strcpy(res->name, name);
- strcpy(res->episode, episode);
- break;
- }
- free(tmp);
- }
- fclose(fp);
- return res;
-}
-
-// append new entry to the end of the csv
-void append_entry(const char *name, const char *ep)
-{
- FILE *fp = fopen(filename, "a");
- if (fp == NULL) {
- fprintf(stderr, "ERROR: no such file\n");
- exit(EXIT_FAILURE);
- }
-
- entry_t *entry = malloc(sizeof(entry_t));
- strncpy(entry->name, name, sizeof(entry->name));
- strncpy(entry->episode, ep, sizeof(entry->episode));
- fprintf(fp, "%s,%s\n", entry->name, entry->episode);
-}
-
-// edit the episode number of an anime
-void edit_entry(const char *name, const char *new_ep)
-{
- FILE *fp_old = fopen(filename, "r");
- FILE *fp_new = fopen("temp.csv", "w");
- if (fp_old == NULL || fp_new == NULL) {
- fprintf(stderr, "ERROR: no such file\n");
- exit(EXIT_FAILURE);
- }
-
- char line[100];
- while (fgets(line, sizeof(line), fp_old)) {
- char *tmp = strdup(line);
- char *old_name = getfield(tmp, 1);
- tmp = strdup(line);
- char *old_ep = getfield(tmp, 2);
-
- if (strcasestr(old_name, name) != NULL) {
- fprintf(fp_new, "%s,%s\n", old_name, new_ep);
- } else {
- fprintf(fp_new, "%s,%s", old_name, old_ep);
- }
- free(tmp);
- }
- remove(filename);
- rename("temp.csv", filename);
- fclose(fp_old);
- fclose(fp_new);
-}
-
-int main(int argc, char **argv)
-{
- mode_e mode = PRINT_MODE;
- int opt;
- entry_t *entry;
- while ((opt = getopt(argc, argv, "msae")) != -1) {
- switch (opt) {
- case 'm': mode = MATCH_MODE; break;
- case 's': mode = SEARCH_MODE; break;
- case 'a': mode = APPEND_MODE; break;
- case 'e': mode = EDIT_MODE; break;
- default:
- print_help();
- exit(EXIT_FAILURE);
- }
- }
-
- if (optind >= argc && mode != PRINT_MODE) {
- fprintf(stderr, "ERROR: missing argument\n");
- print_help();
- exit(EXIT_FAILURE);
- }
-
- if (optind == 1 && argc == 2) {
- fprintf(stderr, "ERROR: no option for argument given\n");
- print_help();
- exit(EXIT_FAILURE);
- }
-
- switch (mode) {
- case MATCH_MODE:
- print_matches(argv[optind]);
- break;
- case SEARCH_MODE:
- // maybe useful for sanitizing input, but not needed for now
- //
- // size_t buffer_size = strlen(argv[optind]) + 1;
- // char *selection = (char*)malloc(buffer_size);
-
- // if (selection == NULL) {
- // fprintf(stderr, "ERROR: failed to allocate memory for buffer\n");
- // exit(EXIT_FAILURE);
- // }
-
- // strncpy(selection, argv[optind], buffer_size - 1);
- // selection[buffer_size - 1] = '\0';
- // [...]
- // free(selection);
-
- entry = get_entry(argv[optind]);
- if (entry->name[0] == '\0') {
- printf("Entry not found\n");
- break;
- }
- printf("Name: %s Episode: %s", entry->name, entry->episode);
- break;
- case APPEND_MODE:
- append_entry(argv[optind], argv[optind+1]);
- break;
- case EDIT_MODE:
- edit_entry(argv[optind], argv[optind+1]);
- break;
- case PRINT_MODE:
- print_all();
- break;
- default:
- print_help();
- break;
- }
- return 0;
-}
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