/* 刷屏和读取选项 */
int read_select(void) {
int c;
system("clear");
printf("**********************************************\n");
printf("* Math Class Stystem *\n");
printf("* 1) Find *\n");
printf("* 2) Insert *\n");
printf("* 3) Delete *\n");
printf("* 4) List *\n");
printf("* 5) Erase All *\n");
// printf("* 6) Delete duplication *\n");
printf("* 7) Update *\n");
printf("* 8) Sort *\n");
printf("* 9) Save to file *\n");
//printf("* @) Load from file *\n");
printf("* 0) Exit *\n");
printf("**********************************************\n");
printf("\nPlease enter your choose:");
c = getchar(); /* 这两行用于使程序暂停,获取选项后程序返回 */
any_key();
return c;
}
static void
rewrite_folder(void)
{
register FILE *src, *dst;
char *oldfile;
register int c;
register long cnt;
register article_header *ah, **ahp;
register article_number n;
if (strchr(backup_folder_path, '/'))
oldfile = backup_folder_path;
else
oldfile = relative(nn_directory, backup_folder_path);
if (move_file(group_path_name, oldfile, 1) < 0) {
tprintf("\r\n\nCannot backup folder in %s\n", oldfile);
goto confirm;
}
if ((src = open_file(oldfile, OPEN_READ)) == NULL) {
tprintf("\rCannot open %s\n\r", oldfile);
goto move_back;
}
if ((dst = open_file(group_path_name, OPEN_CREATE)) == NULL) {
fclose(src);
tprintf("\rCannot create %s\n\r", group_path_name);
goto move_back;
}
sort_articles(-2);
tprintf("\rCompressing folder...\n\r");
fl;
get_folder_type(src);
for (ahp = articles, n = n_articles; --n >= 0; ahp++) {
ah = *ahp;
cnt = ah->lpos - ah->hpos;
if (folder_rewrite_trace)
tprintf("%s\t%s (%ld-%ld=%ld)\n\r",
ah->attr == A_CANCEL ? "CANCEL" : "KEEP",
ah->subject, ah->hpos, (long) (ah->lpos), cnt);
if (ah->attr == A_CANCEL)
continue;
fseek(src, ah->hpos, 0);
mailbox_format(dst, -1);
while (--cnt >= 0) {
if ((c = getc(src)) == EOF)
break;
putc(c, dst);
}
mailbox_format(dst, 0);
}
fclose(src);
if (fclose(dst) == EOF)
goto move_back;
if (!keep_backup_folder)
unlink(oldfile);
if (folder_rewrite_trace)
goto confirm;
return;
move_back:
if (move_file(oldfile, group_path_name, 2) == 0)
tprintf("Cannot create new file -- Folder restored\n\r");
else
tprintf("Cannot create new file\n\n\rFolder saved in %s\n\r", oldfile);
confirm:
any_key(0);
}
int
folder_menu(char *path, int mode)
{
FILE *folder;
register article_header *ah;
news_header_buffer dgbuf;
char buffer[256];
int more, length, re, menu_cmd, was_raw;
memory_marker mem_marker;
group_header fake_group;
int cc_save;
char folder_name[FILENAME], folder_file[FILENAME];
int orig_layout;
char *orig_hdr_lines;
orig_layout = fmt_linenum;
orig_hdr_lines = header_lines;
strcpy(folder_name, path);
fake_group.group_name = folder_name;
fake_group.kill_list = NULL;
if (!expand_file_name(folder_file, folder_name, 1))
return ME_NO_REDRAW;
fake_group.archive_file = path = folder_file;
fake_group.next_group = fake_group.prev_group = NULL;
fake_group.group_flag = G_FOLDER | G_FAKED;
fake_group.master_flag = 0;
fake_group.save_file = NULL;
current_group = NULL;
init_group(&fake_group);
folder = open_file(path, OPEN_READ);
if (folder == NULL) {
msg("%s not found", path);
return ME_NO_REDRAW;
}
switch (get_folder_type(folder)) {
case 0:
msg("Reading: %-.65s", path);
break;
case 1:
case 2:
msg("Reading %s folder: %-.50s",
current_folder_type == 1 ? "mail" : "mmdf", path);
break;
default:
msg("Folder is empty");
fclose(folder);
return ME_NO_REDRAW;
}
rewind(folder);
was_raw = no_raw();
s_keyboard = 0;
current_group = &fake_group;
mark_memory(&mem_marker);
ah = alloc_art();
more = 1;
while (more && (more = get_digest_article(folder, dgbuf)) >= 0) {
if (s_keyboard)
break;
ah->a_number = 0;
ah->flag = A_FOLDER;
ah->attr = 0;
ah->lines = digest.dg_lines;
ah->hpos = digest.dg_hpos;
ah->fpos = digest.dg_fpos;
ah->lpos = digest.dg_lpos;
if (digest.dg_from) {
length = pack_name(buffer, digest.dg_from, Name_Length);
ah->sender = alloc_str(length);
strcpy(ah->sender, buffer);
ah->name_length = length;
if (mode == 1)
fold_string(ah->sender);
} else {
ah->sender = "";
ah->name_length = 0;
}
if (digest.dg_subj) {
length = pack_subject(buffer, digest.dg_subj, &re, 255);
ah->replies = re;
ah->subject = alloc_str(length);
strcpy(ah->subject, buffer);
ah->subj_length = length;
if (mode == 1 && length > 1)
fold_string(ah->subject + 1);
} else {
ah->replies = 0;
ah->subject = "";
ah->subj_length = 0;
}
ah->t_stamp = digest.dg_date ? pack_date(digest.dg_date) : 0;
add_article(ah);
ah = alloc_art();
}
fclose(folder);
if (s_keyboard) {
menu_cmd = ME_NO_REDRAW;
} else if (n_articles == 0) {
msg("Not a folder (no article header)");
menu_cmd = ME_NO_REDRAW;
} else {
if (n_articles > 1) {
clrdisp();
prompt_line = 2;
if (mode == 0 && !dont_sort_folders)
sort_articles(-1);
else if (mode == 1) {
article_number n;
for (n = 0; n < n_articles; n++) {
ah = articles[n];
if (n == 0)
ah->flag |= A_ROOT_ART;
else if (strcmp(ah->sender, articles[n - 1]->sender) == 0)
articles[n - 1]->flag |= A_NEXT_SAME;
else
ah->flag |= A_ROOT_ART;
}
bypass_consolidation = consolidated_manual ? 2 : 1;
} else
no_sort_articles();
} else
no_sort_articles();
cc_save = cancel_count;
cancel_count = 0;
if (mode == 1) {
fmt_linenum = -1;
header_lines = "*";
}
reenter_menu:
ignore_fancy_select = 1;
menu_cmd = menu(folder_header);
ignore_fancy_select = 0;
if (mode == 0 && cancel_count) {
register article_number cur;
cancel_count = 0;
for (cur = 0; cur < n_articles; cur++) {
if (articles[cur]->attr == A_CANCEL)
cancel_count++;
}
}
if (mode == 0 && cancel_count) {
clrdisp();
tprintf("\rFolder: %s\n\rFile: %s\n\n\r", folder_name, folder_file);
if (cancel_count == n_articles)
tprintf("Cancel all articles and remove folder? ");
else
tprintf("Remove %d article%s from folder? ",
cancel_count, plural((long) cancel_count));
fl;
switch (yes(1)) {
case 1:
tprintf("\n\n");
if (cancel_count == n_articles) {
if (unlink(group_path_name) < 0 &&
nn_truncate(group_path_name, (off_t) 0) < 0) {
tprintf("\rCould not unlink %s\n\r", group_path_name);
any_key(0);
}
} else
rewrite_folder();
break;
case 0:
break;
default:
goto reenter_menu;
}
}
cancel_count = cc_save;
}
release_memory(&mem_marker);
if (fmt_linenum == -1) {
fmt_linenum = orig_layout;
header_lines = orig_hdr_lines;
}
if (was_raw)
nn_raw();
return menu_cmd;
}
static int
compile_kill_file(void)
{
FILE *killf, *compf, *patternf, *dropf;
comp_kill_header header;
comp_kill_entry entry;
time_t now, age;
long cur_line_start;
char line[512];
register char *cp, *np;
register int c;
group_header *gh;
flag_type flag, fields[10];
int any_errors, nfield, nf, len;
any_errors = 0;
header.ckh_entries = header.ckh_regexp_size = 0;
killf = open_file(relative(nn_directory, KILL_FILE),
OPEN_READ | DONT_CREATE);
if (killf == NULL)
return 0;
dropf = NULL;
compf = open_file(relative(nn_directory, COMPILED_KILL), OPEN_CREATE);
if (compf == NULL)
goto err1;
new_temp_file();
if ((patternf = open_file(temp_file, OPEN_CREATE)) == NULL)
goto err2;
msg("Compiling kill file");
fseek(compf, sizeof(header), 0);
now = cur_time();
next_entry:
for (;;) {
cur_line_start = ftell(killf);
if (fgets(line, 512, killf) == NULL)
break;
cp = line;
while (*cp && isascii(*cp) && isspace(*cp))
cp++;
if (*cp == NUL || *cp == '#' || !isascii(*cp))
continue;
if ((np = strchr(cp, ':')) == NULL)
goto bad_entry;
/* optional "age:" */
if (np != cp && isdigit(*cp)) {
*np++ = NUL;
age = (time_t) atol(cp);
if (age < now)
goto drop_entry;
cp = np;
if ((np = strchr(cp, ':')) == NULL)
goto bad_entry;
}
/* "group-name:" or "/regexp:" or ":" for all groups */
flag = COMP_KILL_ENTRY;
if (np == cp) {
entry.ck_group = -1;
np++;
} else {
*np++ = NUL;
if (*cp == '/') {
entry.ck_group = (long) ftell(patternf);
cp++;
len = strlen(cp) + 1;
if (fwrite(cp, sizeof(char), len, patternf) != len)
goto err3;
flag |= GROUP_REGEXP | GROUP_REGEXP_HDR;
} else {
if ((gh = lookup(cp)) == NULL || (gh->master_flag & M_IGNORE_GROUP)) {
tprintf("Unknown/ignored group in kill file: %s\n", cp);
any_errors++;
goto drop_entry;
}
entry.ck_group = gh->group_num;
}
}
/* flags */
cp = np;
nfield = 0;
for (;;) {
switch (*cp++) {
case EXT_AND_MATCH:
case EXT_OR_MATCH:
fields[nfield++] = flag;
flag &= ~(AND_MATCH | ON_SUBJECT | ON_SENDER |
KILL_CASE_MATCH | KILL_ON_REGEXP |
GROUP_REGEXP_HDR);
flag |= (cp[-1] == EXT_AND_MATCH) ? AND_MATCH : OR_MATCH;
continue;
case EXT_AUTO_KILL:
flag |= AUTO_KILL;
continue;
case EXT_AUTO_SELECT:
flag |= AUTO_SELECT;
continue;
case EXT_ON_FOLLOW_UP:
flag |= ON_FOLLOW_UP;
continue;
case EXT_ON_NOT_FOLLOW_UP:
flag |= ON_NOT_FOLLOW_UP;
continue;
case EXT_ON_ANY_REFERENCES:
flag |= ON_ANY_REFERENCES;
continue;
case EXT_ON_SUBJECT:
flag |= ON_SUBJECT;
continue;
case EXT_ON_SENDER:
flag |= ON_SENDER;
continue;
case EXT_KILL_CASE_MATCH:
flag |= KILL_CASE_MATCH;
continue;
case EXT_KILL_UNLESS_MATCH:
flag |= KILL_UNLESS_MATCH;
continue;
case EXT_KILL_ON_REGEXP:
flag |= KILL_ON_REGEXP;
continue;
case ':':
break;
case NL:
goto bad_entry;
default:
tprintf("Ignored flag '%c' in kill file\n", cp[-1]);
any_errors++;
continue;
}
break;
}
fields[nfield++] = flag;
for (nf = 0; --nfield >= 0; nf++) {
entry.ck_flag = flag = fields[nf];
np = cp;
if ((cp = get_pattern(np, &len, nfield)) == NULL)
goto bad_entry;
if ((flag & KILL_CASE_MATCH) == 0)
fold_string(np);
entry.ck_pattern_index = ftell(patternf);
if (fwrite((char *) &entry, sizeof(entry), 1, compf) != 1)
goto err3;
if (fwrite(np, sizeof(char), len, patternf) != len)
goto err3;
header.ckh_entries++;
if (flag & GROUP_REGEXP)
header.ckh_regexp_size++;
}
}
header.ckh_pattern_size = ftell(patternf);
fclose(patternf);
patternf = open_file(temp_file, OPEN_READ | OPEN_UNLINK);
if (patternf == NULL)
goto err2;
header.ckh_pattern_offset = ftell(compf);
while ((c = getc(patternf)) != EOF)
putc(c, compf);
fclose(patternf);
rewind(compf);
header.ckh_magic = COMP_KILL_MAGIC;
header.ckh_db_check = master.db_created;
if (fwrite((char *) &header, sizeof(header), 1, compf) != 1)
goto err2;
fclose(compf);
fclose(killf);
if (dropf != NULL)
fclose(dropf);
if (any_errors) {
tputc(NL);
any_key(0);
}
return 1;
bad_entry:
tprintf("Incomplete kill file entry:\n%s", line);
fl;
any_errors++;
drop_entry:
if (dropf == NULL) {
dropf = open_file(relative(nn_directory, KILL_FILE),
OPEN_UPDATE | DONT_CREATE);
if (dropf == NULL)
goto next_entry;
}
fseek(dropf, cur_line_start, 0);
fwrite("# ", sizeof(char), 2, dropf);
goto next_entry;
err3:
fclose(patternf);
unlink(temp_file);
err2:
fclose(compf);
rm_kill_file();
err1:
fclose(killf);
if (dropf != NULL)
fclose(dropf);
msg("cannot compile kill file");
return 0;
}
int main(void)
{
int i;
DARR *sturoot;
if ((sturoot = load_darr("db.db")) == NULL){
printf("load db error.\n");
if ((sturoot = create_darr(sizeof(struct stu))) == NULL) {
printf("create date error.\n");
return -1;
}
}
/*
** 0,q for exit; 1,f for find; 2, i for insert; 3,d for delete, 4, l for list, 5, e for erase;
** 6, a for delete duplication; 7, u for update, 8, s for sort, 9 for Save data, @ for Load data;
*/
while ((i = read_select()) != '0' && i != 'q' && i != 'Q') /* 主循环,获取控制输入*/
switch (i){
case '1': case 'F': case 'f':
printf("Please enter the search condition: [ID],[Name],[Scope]\n");
{
struct stu tmp, *ret;
if (getline(&tmp) == 0) {
printf("Input Format wrong!\n");
} else if ((ret =(struct stu *)find_node(sturoot,&tmp,cmp)) == NULL)
printf("Record is not exist!");
else
print_node(ret);
}
any_key();
break;
case '2': case 'I': case 'i':
if (sturoot == NULL) {
printf("Datebase is empty, System will re-create it.\n");
if ((sturoot = create_darr(sizeof(struct stu))) == NULL) {
printf("DB is empty,create date error.\n");
return -1;
}
}
printf("Please enter the new record: 'ID,Name,Scope:'\n");
{
struct stu tmp;
if (getline(&tmp) == 0)
printf("Input Format wrong!\n");
else if (inserd_node(sturoot,&tmp,0) == -1)
printf("Input Error!");
else
printf("Insert OK!");
}
any_key();
break;
case '3': case 'D': case 'd':
printf("Please enter the condition : [ID],[Name],[Scope]\n");
{
struct stu tmp;
if (getline(&tmp) == 0)
printf("Input Format wrong!");
else
delete_node(sturoot,&tmp, &cmp);
}
any_key();
break;
case '4': case 'L': case 'l':
travel(sturoot,print_node);
any_key();
break;
case '5': case 'E': case 'e':
erase(sturoot);
printf("All data has erase!!");
sturoot = NULL;
any_key();
break;
#if 0
case '6': case 'A': case 'a':
printf("Please enter the condition: [ID],[Name],[Scope]\n");
{
struct stu tmp;
if (getline(&tmp) == 0) {
printf("Input Format wrong!");
} else if (delete(&sturoot, &tmp, DELETE_ALL_YES) == 0)
printf("Record is not exist!");
}
any_key();
break;
#endif
case '7': case 'U': case 'u':
{
struct stu tmp_from, tmp_to, *tmp_find;
printf("Please enter the condition: [ID],[Name],[Scope]\n");
if (getline(&tmp_from) == 0) {
printf("Input Format wrong!");
} else if ((tmp_find = (struct stu *)find_node(sturoot,&tmp_from,cmp)) != NULL) {
print_node(tmp_find);
printf("Please enter the new data: [ID],[Name],[Scope]\n");
if (getline(&tmp_to) == 0)
printf("Input Format wrong!");
else if (update_node(tmp_find, &tmp_to) == 0)
printf("Update Succeed.");
} else
printf("Record is not exist!");
}
any_key();
break;
case '8': case 'S': case 's':
{
int sel;
int (*fun)(const void *, const void*);
printf("Please select sort by:\n1[by ID]\t2[by name]\t3[by scope]:");
if ((sel=get_num()) <= 3 && sel >= 1) {
switch (sel) {
case 1:
fun = cmp_id;
break;
case 2:
fun = cmp_name;
break;
case 3:
fun = cmp_scope;
break;
}
darr_sort(sturoot,fun);
printf("Sort Succeed.");
} else
printf("Select wrong.");
}
any_key();
break;
case '9':
if (save_darr(sturoot, "db.db") == -1)
fprintf(stderr, "Open file failed.\n");
any_key();
break;
default:
break;
}
return 0;
}
int main(int argc, char *argv[])
{
const char *term = getenv("TERM");
const char *home = getenv("HOME");
const char *tag = NULL;
const char *rc = NULL;
const char *command = NULL;
char *command_history_filename;
char *search_history_filename;
char *editor_dir;
bool read_rc = true;
int i;
if (!home)
home = "";
home_dir = xstrdup(home);
for (i = 1; i < argc; i++) {
const char *opt = argv[i];
if (opt[0] != '-' || !opt[1])
break;
if (!opt[2]) {
switch (opt[1]) {
case 'R':
read_rc = false;
continue;
case 't':
tag = opt_arg(opt, argv[++i]);
continue;
case 'r':
rc = opt_arg(opt, argv[++i]);
continue;
case 'c':
command = opt_arg(opt, argv[++i]);
continue;
case 'V':
printf("%s %s\nWritten by Timo Hirvonen\n", program, version);
return 0;
}
if (opt[1] == '-') {
i++;
break;
}
}
printf("Usage: %s [-R] [-V] [-c command] [-t tag] [-r rcfile] [file]...\n", argv[0]);
return 1;
}
if (!isatty(1)) {
fprintf(stderr, "stdout doesn't refer to a terminal\n");
return 1;
}
if (term == NULL || term[0] == 0) {
fprintf(stderr, "TERM not set\n");
return 1;
}
switch (term_init(term)) {
case -1:
fprintf(stderr, "terminal is hardcopy\n");
return 1;
case -2:
fprintf(stderr, "terminal could not be found\n");
return 1;
case -3:
fprintf(stderr, "terminfo database could not be found\n");
return 1;
}
// create this early. needed if lock-files is true
editor_dir = editor_file("");
mkdir(editor_dir, 0755);
free(editor_dir);
setlocale(LC_CTYPE, "");
charset = nl_langinfo(CODESET);
if (streq(charset, "UTF-8"))
term_utf8 = true;
exec_builtin_rc(builtin_rc);
fill_builtin_colors();
// NOTE: syntax_changed() uses window. should possibly create window after reading rc
window = new_window();
root_frame = new_root_frame(window);
if (read_rc) {
if (rc) {
read_config(commands, rc, true);
} else {
char *filename = editor_file("rc");
if (read_config(commands, filename, false)) {
free(filename);
filename = xsprintf("%s/rc", pkgdatadir);
read_config(commands, filename, true);
}
free(filename);
}
}
update_all_syntax_colors();
sort_aliases();
/* Terminal does not generate signals for control keys. */
set_signal_handler(SIGINT, SIG_IGN);
set_signal_handler(SIGQUIT, SIG_IGN);
set_signal_handler(SIGPIPE, SIG_IGN);
/* Terminal does not generate signal for ^Z but someone can send
* us SIGTSTP nevertheless. SIGSTOP can't be caught.
*/
set_signal_handler(SIGTSTP, handle_sigtstp);
set_signal_handler(SIGCONT, handle_sigcont);
set_signal_handler(SIGWINCH, handle_sigwinch);
load_file_history();
command_history_filename = editor_file("command-history");
search_history_filename = editor_file("search-history");
history_load(&command_history, command_history_filename, command_history_size);
history_load(&search_history, search_history_filename, search_history_size);
if (search_history.count)
search_set_regexp(search_history.ptrs[search_history.count - 1]);
/* Initialize terminal but don't update screen yet. Also display
* "Press any key to continue" prompt if there were any errors
* during reading configuration files.
*/
term_raw();
if (nr_errors) {
any_key();
clear_error();
}
editor_status = EDITOR_RUNNING;
for (; i < argc; i++)
window_open_buffer(window, argv[i], false, NULL);
if (window->views.count == 0)
window_open_empty_buffer(window);
set_view(window->views.ptrs[0]);
if (command || tag)
resize();
if (command)
handle_command(commands, command);
if (tag) {
PTR_ARRAY(array);
ptr_array_add(&array, xstrdup("tag"));
ptr_array_add(&array, xstrdup(tag));
ptr_array_add(&array, NULL);
run_commands(commands, &array);
ptr_array_free(&array);
}
resize();
main_loop();
ui_end();
// unlock files and add files to file history
remove_frame(root_frame);
history_save(&command_history, command_history_filename);
history_save(&search_history, search_history_filename);
free(command_history_filename);
free(search_history_filename);
save_file_history();
return 0;
}