struct-lab-03/structs.c

434 lines
12 KiB
C

#include "structs.h"
int check_name(char *name)
{
int strln = strlen(name);
int i;
char *symb;
if (strln > filename_lenth)
return FILENAME_LENGTH_FAILURE;
for (i = 0; i < strln; i++)
{
symb = strchr(right_symb_name, name[i]);
if (symb == 0)
return FILENAME_SYMBOL_FAILURE;
}
if (name[strln - 1] == '.')
return FILENAME_ENDING_FAILURE;
if (strln == 0)
return FILENAME_LENGTH_FAILURE;
return SUCCESS;
}
int check_ext(char *ext)
{
int strln = strlen(ext);
int i;
char *symb;
if (strln > extinsion_lenth)
return FILENAME_LENGTH_FAILURE;
for (i = 0; i < strln; i++)
{
symb = strchr(right_symb_ext, ext[i]);
if (symb == 0)
return FILENAME_SYMBOL_FAILURE;
}
if (ext[strln - 1] == '.')
return FILENAME_ENDING_FAILURE;
if (strln == 0)
return FILENAME_LENGTH_FAILURE;
return SUCCESS;
}
int checkFolderExists(char *folder_name, Folder *fld)
{
int i;
for (i = 0; i < fld->folders_count_cur; i++)
{
if (!strcmp(folder_name, fld->folders[i].filename))
return EXISTING_NAME_FAILURE;
}
return SUCCESS;
}
int checkFileExists(char *file_name, char *extension, Folder *fld)
{
int i;
for (i = 0; i < fld->files_count_cur; i++)
{
if (!strcmp(extension, fld->files[i].extension) && !strcmp(file_name, fld->files[i].filename))
return EXISTING_NAME_FAILURE;
}
return SUCCESS;
}
int createFile(char *file_name, char *extension, File *file)
{
ERROR_CODE errno;
time_t time_now;
struct tm *time_info;
File result = {"\0", "\0", "\0"};
time(&time_now);
time_info = localtime(&time_now);
strftime(result.creation_time, creation_time_length, "%T", time_info);
strftime(result.creation_date, creation_time_length, "%D", time_info);
if ((errno = check_name(file_name)) != SUCCESS)
return errno;
if ((errno = check_ext(extension)) != SUCCESS)
return errno;
strcpy(result.filename, file_name);
strcpy(result.extension, extension);
*file = result;
return SUCCESS;
}
int createFolder(char *folder_name, Folder *folder)
{
ERROR_CODE errno;
time_t time_now;
struct tm *time_info;
Folder result = {0, 0, 1, 1, 0, "\0", "\0"};
if ((errno = check_name(folder_name)) != SUCCESS)
return errno;
strcpy(result.filename, folder_name);
time(&time_now);
time_info = localtime(&time_now);
strftime(result.creation_time, creation_time_length, "%T", time_info);
strftime(result.creation_date, creation_time_length, "%D", time_info);
result.files = (File *)malloc(sizeof(File));
result.folders = (Folder *)malloc(sizeof(Folder));
if (result.files == NULL || result.folders == NULL)
return MEMORY_ALLOCATION_FAILURE;
*folder = result;
return SUCCESS;
}
int addFolder(char *folder_name, Folder *fld)
{
if (fld->exists_into < MAX_EXIST_OBJ)
{
int errno, i;
Folder newFolder;
Folder *buffer;
if (checkFolderExists(folder_name, fld)) // если папки не существует...
{
return EXISTING_NAME_FAILURE;
}
errno = createFolder(folder_name, &newFolder);
if (errno != SUCCESS)
return errno;
fld->folders[fld->folders_count_cur] = newFolder;
fld->exists_into++;
fld->folders_count_cur++;
if (fld->folders_count_cur == fld->folders_count_max)
{
fld->folders_count_max <<= 1;
buffer = (Folder *)malloc(sizeof(Folder) * (fld->folders_count_cur));
if (buffer == NULL)
return MEMORY_ALLOCATION_FAILURE;
for (i = 0; i < fld->folders_count_cur; ++i)
{
buffer[i] = fld->folders[i];
}
free(fld->folders);
fld->folders = (Folder *)malloc(sizeof(Folder) * (fld->folders_count_max));
if (fld->folders == NULL)
return MEMORY_ALLOCATION_FAILURE;
for (i = 0; i < fld->folders_count_cur; ++i)
{
fld->folders[i] = buffer[i];
}
free(buffer);
}
fld->folders[fld->folders_count_cur - 1].parent = fld;
return SUCCESS;
}
}
int addFile(char *file_name, char *extension, Folder *fld)
{
if (fld->exists_into < MAX_EXIST_OBJ)
{
int errno, i;
File newFile;
File *buffer;
if (checkFileExists(file_name, extension, fld))
{
return EXISTING_NAME_FAILURE;
}
errno = createFile(file_name, extension, &newFile);
if (errno != SUCCESS)
return errno;
fld->files[fld->files_count_cur] = newFile;
fld->exists_into++;
fld->files_count_cur++;
if (fld->files_count_cur == fld->files_count_max)
{
fld->files_count_max <<= 1;
buffer = (File *)malloc(sizeof(File) * (fld->files_count_cur));
if (buffer == NULL)
return MEMORY_ALLOCATION_FAILURE;
for (i = 0; i < fld->files_count_cur; ++i)
{
buffer[i] = fld->files[i];
}
free(fld->files);
fld->files = (File *)malloc(sizeof(File) * (fld->files_count_max));
if (fld->files == NULL)
return MEMORY_ALLOCATION_FAILURE;
for (i = 0; i < fld->files_count_cur; ++i)
{
fld->files[i] = buffer[i];
}
free(buffer);
}
fld->files[fld->files_count_cur - 1].parent = fld;
return SUCCESS;
}
}
int print_list(Folder *fld, int mode)
{
int i; // iterator
if (mode == 0) // simple
{
printf("Files:\n");
for (i = 0; i < fld->files_count_cur; i++)
printf("%*s.%-*s\n", filename_lenth, fld->files[i].filename, extinsion_lenth, fld->files[i].extension);
printf("Folders:\n");
for (i = 0; i < fld->folders_count_cur; i++)
printf("%*s\n", filename_lenth, fld->folders[i].filename);
}
if (mode == 1) // not simple
{
printf("┌─────────────────────┬────────────────────────────────────────────────────┐\n");
printf("│ Current folder │ %*s │\n", filename_lenth, fld->filename);
printf("├──────────┬──────────┼────────────────────────────────────────────────────┼────────────┐\n");
printf("│ Time │ Date │ Filenames │ Extension │\n");
printf("├──────────┼──────────┼────────────────────────────────────────────────────┼────────────┤\n");
for (i = 0; i < fld->files_count_cur; i++)
printf("│ %s │ %s │ %*s │ %*s │\n", fld->files[i].creation_time, fld->files[i].creation_date, filename_lenth, fld->files[i].filename, extinsion_lenth, fld->files[i].extension);
printf("├──────────┼──────────┼────────────────────────────────────────────────────┼────────────┤\n");
printf("│ Time │ Date │ Foldernames │ Contains │\n");
printf("├──────────┼──────────┼────────────────────────────────────────────────────┼────────────┤\n");
for (i = 0; i < fld->folders_count_cur; i++)
printf("│ %s │ %s │ %*s │ %*d │\n", fld->folders[i].creation_time, fld->folders[i].creation_date, filename_lenth, fld->folders[i].filename, 10, fld->folders[i].exists_into);
printf("└──────────┴──────────┴────────────────────────────────────────────────────┴────────────┘\n");
}
}
void delete_file(File *deleting)
{
int i; // iterator
int file_ind = -1;
if (deleting != NULL)
{
Folder *parent = deleting->parent;
for (i = 0; i < parent->files_count_cur; i++)
{
if (&(parent->files[i]) == deleting)
file_ind = i;
}
for (i = file_ind; i < parent->files_count_cur; i++)
{
parent->files[i] = parent->files[i + 1];
}
parent->files_count_cur--;
parent->exists_into--;
}
}
void delete_folder(Folder *deleting)
{
// char *p = (char *)malloc(1);
// p[0] = '\0';
// get_path(p, deleting, NULL);
// printf("%d\n", deleting->folders_count_cur);
// printf("%d\n", deleting->parent->folders_count_cur);
// print_list(deleting, 1);
int i; // iterator
int fold_ind = -1;
if (deleting != NULL)
{
Folder *parent = deleting->parent;
for (i = 0; i < parent->folders_count_cur; i++)
{
if (&(parent->folders[i]) == deleting)
fold_ind = i;
}
printf("%d\n", fold_ind);
free(deleting->files);
while (deleting->folders_count_cur)
{
delete_folder(&(deleting->folders[deleting->folders_count_cur - 1]));
}
free(deleting->folders);
for (i = fold_ind; i < parent->folders_count_cur; i++)
{
parent->folders[i] = parent->folders[i + 1];
}
parent->folders_count_cur--;
parent->exists_into--;
}
// print_list(deleting->parent, 1);
}
int save_path(int rec_count, Folder *fld, File *fil, FILE *fp)
{
Folder *parent;
if (fld != NULL)
{
parent = fld->parent;
}
else if (fil != NULL)
{
parent = fil->parent;
}
else
{
return 0;
}
if (parent != NULL)
{
save_path(rec_count + 1, parent, NULL, fp);
if (fld != NULL)
{
if (rec_count != 0)
fprintf(fp, "%s/", fld->filename);
else
fprintf(fp, "%s", fld->filename);
}
else if (fil != NULL)
{
fprintf(fp, "%s.%s", fil->filename, fil->extension);
}
}
else
{
fprintf(fp, "/");
}
return 1;
}
int get_path(Folder *fld, File *fil)
{
Folder *parent;
if (fld != NULL)
{
parent = fld->parent;
}
else if (fil != NULL)
{
parent = fil->parent;
}
else
{
return 0;
}
if (parent != NULL)
{
get_path(parent, NULL);
if (fld != NULL)
{
printf("/%s", fld->filename);
}
else if (fil != NULL)
{
parent = fil->parent;
printf("/%s.%s", fil->filename, fil->extension);
}
}
else
{
printf("/%s", fld->filename);
}
return 1;
}
void find_folder(char *name, Folder *parent)
{
int i = 0;
char *path;
// print_list(parent, 1);
for (i = 0; i < parent->folders_count_cur; i++)
{
// printf("Im in %s\n", parent->folders[i].filename);
if (!strcmp(name, parent->folders[i].filename))
{
get_path(&(parent->folders[i]), NULL);
printf("\n");
}
find_folder(name, &(parent->folders[i]));
}
}
void find_file(char *name, char *ext, Folder *parent)
{
char *path;
int i = 0;
for (i = 0; i < parent->files_count_cur; i++)
{
if (!strcmp(name, parent->files[i].filename) && !strcmp(ext, parent->files[i].extension))
{
get_path(NULL, &(parent->files[i]));
printf("\n");
}
}
for (i = 0; i < parent->folders_count_cur; i++)
{
find_file(name, ext, &(parent->folders[i]));
}
}