/*
* Forward forever, or until a highlighted line appears.
*/
static int
forw_loop(int until_hilite)
{
off_t curr_len;
if (ch_getflags() & CH_HELPFILE)
return (A_NOACTION);
cmd_exec();
jump_forw();
curr_len = ch_length();
highest_hilite = until_hilite ? curr_len : -1;
ignore_eoi = 1;
while (!sigs) {
if (until_hilite && highest_hilite > curr_len) {
ring_bell();
break;
}
make_display();
forward(1, 0, 0);
}
ignore_eoi = 0;
ch_set_eof();
/*
* This gets us back in "F mode" after processing
* a non-abort signal (e.g. window-change).
*/
if (sigs && !ABORT_SIGS())
return (until_hilite ? A_F_UNTIL_HILITE : A_F_FOREVER);
return (A_NOACTION);
}
/*
* Discard any buffered file data.
*/
static void
clear_buffers(void)
{
if (!(ch_getflags() & CH_CANSEEK))
return;
ch_flush();
clr_linenum();
clr_hilite();
}
/*
* Return a prompt.
* This depends on the prompt type (SHORT, MEDIUM, LONG), etc.
* If we can't come up with an appropriate prompt, return NULL
* and the caller will prompt with a colon.
*/
char *
prompt_string(void)
{
char *prompt;
int type;
type = pr_type;
prompt = pr_expand((ch_getflags() & CH_HELPFILE) ?
hproto : prproto[type], sc_width-so_s_width-so_e_width-2);
new_file = 0;
return (prompt);
}
/*
* Set lmark (the mark named by the apostrophe).
*/
void
lastmark(void)
{
struct scrpos scrpos;
if (ch_getflags() & CH_HELPFILE)
return;
get_scrpos(&scrpos);
if (scrpos.pos == -1)
return;
marks[LASTMARK].m_scrpos = scrpos;
marks[LASTMARK].m_ifile = curr_ifile;
}
/*
* Handler for -o option.
*/
void
opt_o(int type, char *s)
{
PARG parg;
if (secure) {
error("log file support is not available", NULL_PARG);
return;
}
switch (type) {
case INIT:
namelogfile = s;
break;
case TOGGLE:
if (ch_getflags() & CH_CANSEEK) {
error("Input is not a pipe", NULL_PARG);
return;
}
if (logfile >= 0) {
error("Log file is already in use", NULL_PARG);
return;
}
s = skipsp(s);
namelogfile = lglob(s);
use_logfile(namelogfile);
sync_logfile();
break;
case QUERY:
if (logfile < 0) {
error("No log file", NULL_PARG);
} else {
parg.p_string = namelogfile;
error("Log file \"%s\"", &parg);
}
break;
}
}
/*
* Main command processor.
* Accept and execute commands until a quit command.
*/
void
commands(void)
{
int c = 0;
int action;
char *cbuf;
int newaction;
int save_search_type;
char *extra;
char tbuf[2];
PARG parg;
IFILE old_ifile;
IFILE new_ifile;
char *tagfile;
search_type = SRCH_FORW;
wscroll = (sc_height + 1) / 2;
newaction = A_NOACTION;
for (;;) {
mca = 0;
cmd_accept();
number = 0;
curropt = NULL;
/*
* See if any signals need processing.
*/
if (sigs) {
psignals();
if (quitting)
quit(QUIT_SAVED_STATUS);
}
/*
* Display prompt and accept a character.
*/
cmd_reset();
prompt();
if (sigs)
continue;
if (newaction == A_NOACTION)
c = getcc();
again:
if (sigs)
continue;
if (newaction != A_NOACTION) {
action = newaction;
newaction = A_NOACTION;
} else {
/*
* If we are in a multicharacter command, call mca_char.
* Otherwise we call fcmd_decode to determine the
* action to be performed.
*/
if (mca)
switch (mca_char(c)) {
case MCA_MORE:
/*
* Need another character.
*/
c = getcc();
goto again;
case MCA_DONE:
/*
* Command has been handled by mca_char.
* Start clean with a prompt.
*/
continue;
case NO_MCA:
/*
* Not a multi-char command
* (at least, not anymore).
*/
break;
}
/*
* Decode the command character and decide what to do.
*/
if (mca) {
/*
* We're in a multichar command.
* Add the character to the command buffer
* and display it on the screen.
* If the user backspaces past the start
* of the line, abort the command.
*/
if (cmd_char(c) == CC_QUIT || len_cmdbuf() == 0)
continue;
cbuf = get_cmdbuf();
} else {
/*
* Don't use cmd_char if we're starting fresh
* at the beginning of a command, because we
* don't want to echo the command until we know
* it is a multichar command. We also don't
* want erase_char/kill_char to be treated
* as line editing characters.
*/
tbuf[0] = (char)c;
tbuf[1] = '\0';
cbuf = tbuf;
}
extra = NULL;
action = fcmd_decode(cbuf, &extra);
/*
* If an "extra" string was returned,
* process it as a string of command characters.
*/
if (extra != NULL)
ungetsc(extra);
}
/*
* Clear the cmdbuf string.
* (But not if we're in the prefix of a command,
* because the partial command string is kept there.)
*/
if (action != A_PREFIX)
cmd_reset();
switch (action) {
case A_DIGIT:
/*
* First digit of a number.
*/
start_mca(A_DIGIT, ":", (void*)NULL, CF_QUIT_ON_ERASE);
goto again;
case A_F_WINDOW:
/*
* Forward one window (and set the window size).
*/
if (number > 0)
swindow = (int)number;
/* FALLTHRU */
case A_F_SCREEN:
/*
* Forward one screen.
*/
if (number <= 0)
number = get_swindow();
cmd_exec();
if (show_attn)
set_attnpos(bottompos);
forward((int)number, 0, 1);
break;
case A_B_WINDOW:
/*
* Backward one window (and set the window size).
*/
if (number > 0)
swindow = (int)number;
/* FALLTHRU */
case A_B_SCREEN:
/*
* Backward one screen.
*/
if (number <= 0)
number = get_swindow();
cmd_exec();
backward((int)number, 0, 1);
break;
case A_F_LINE:
/*
* Forward N (default 1) line.
*/
if (number <= 0)
number = 1;
cmd_exec();
if (show_attn == OPT_ONPLUS && number > 1)
set_attnpos(bottompos);
forward((int)number, 0, 0);
break;
case A_B_LINE:
/*
* Backward N (default 1) line.
*/
if (number <= 0)
number = 1;
cmd_exec();
backward((int)number, 0, 0);
break;
case A_F_SKIP:
/*
* Skip ahead one screen, and then number lines.
*/
if (number <= 0) {
number = get_swindow();
} else {
number += get_swindow();
}
cmd_exec();
if (show_attn == OPT_ONPLUS)
set_attnpos(bottompos);
forward((int)number, 0, 1);
break;
case A_FF_LINE:
/*
* Force forward N (default 1) line.
*/
if (number <= 0)
number = 1;
cmd_exec();
if (show_attn == OPT_ONPLUS && number > 1)
set_attnpos(bottompos);
forward((int)number, 1, 0);
break;
case A_BF_LINE:
/*
* Force backward N (default 1) line.
*/
if (number <= 0)
number = 1;
cmd_exec();
backward((int)number, 1, 0);
break;
case A_FF_SCREEN:
/*
* Force forward one screen.
*/
if (number <= 0)
number = get_swindow();
cmd_exec();
if (show_attn == OPT_ONPLUS)
set_attnpos(bottompos);
forward((int)number, 1, 0);
break;
case A_F_FOREVER:
/*
* Forward forever, ignoring EOF.
*/
newaction = forw_loop(0);
break;
case A_F_UNTIL_HILITE:
newaction = forw_loop(1);
break;
case A_F_SCROLL:
/*
* Forward N lines
* (default same as last 'd' or 'u' command).
*/
if (number > 0)
wscroll = (int)number;
cmd_exec();
if (show_attn == OPT_ONPLUS)
set_attnpos(bottompos);
forward(wscroll, 0, 0);
break;
case A_B_SCROLL:
/*
* Forward N lines
* (default same as last 'd' or 'u' command).
*/
if (number > 0)
wscroll = (int)number;
cmd_exec();
backward(wscroll, 0, 0);
break;
case A_FREPAINT:
/*
* Flush buffers, then repaint screen.
* Don't flush the buffers on a pipe!
*/
clear_buffers();
/* FALLTHRU */
case A_REPAINT:
/*
* Repaint screen.
*/
cmd_exec();
repaint();
break;
case A_GOLINE:
/*
* Go to line N, default beginning of file.
*/
if (number <= 0)
number = 1;
cmd_exec();
jump_back(number);
break;
case A_PERCENT:
/*
* Go to a specified percentage into the file.
*/
if (number < 0) {
number = 0;
fraction = 0;
}
if (number > 100) {
number = 100;
fraction = 0;
}
cmd_exec();
jump_percent((int)number, fraction);
break;
case A_GOEND:
/*
* Go to line N, default end of file.
*/
cmd_exec();
if (number <= 0)
jump_forw();
else
jump_back(number);
break;
case A_GOPOS:
/*
* Go to a specified byte position in the file.
*/
cmd_exec();
if (number < 0)
number = 0;
jump_line_loc((off_t) number, jump_sline);
break;
case A_STAT:
/*
* Print file name, etc.
*/
if (ch_getflags() & CH_HELPFILE)
break;
cmd_exec();
parg.p_string = eq_message();
error("%s", &parg);
break;
case A_VERSION:
/*
* Print version number, without the "@(#)".
*/
cmd_exec();
dispversion();
break;
case A_QUIT:
/*
* Exit.
*/
if (curr_ifile != NULL_IFILE &&
ch_getflags() & CH_HELPFILE) {
/*
* Quit while viewing the help file
* just means return to viewing the
* previous file.
*/
hshift = save_hshift;
if (edit_prev(1) == 0)
break;
}
if (extra != NULL)
quit(*extra);
quit(QUIT_OK);
break;
/*
* Define abbreviation for a commonly used sequence below.
*/
#define DO_SEARCH() \
if (number <= 0) number = 1; \
mca_search(); \
cmd_exec(); \
multi_search(NULL, (int)number);
case A_F_SEARCH:
/*
* Search forward for a pattern.
* Get the first char of the pattern.
*/
search_type = SRCH_FORW;
if (number <= 0)
number = 1;
mca_search();
c = getcc();
goto again;
case A_B_SEARCH:
/*
* Search backward for a pattern.
* Get the first char of the pattern.
*/
search_type = SRCH_BACK;
if (number <= 0)
number = 1;
mca_search();
c = getcc();
goto again;
case A_FILTER:
search_type = SRCH_FORW | SRCH_FILTER;
mca_search();
c = getcc();
goto again;
case A_AGAIN_SEARCH:
/*
* Repeat previous search.
*/
DO_SEARCH();
break;
case A_T_AGAIN_SEARCH:
/*
* Repeat previous search, multiple files.
*/
search_type |= SRCH_PAST_EOF;
DO_SEARCH();
break;
case A_REVERSE_SEARCH:
/*
* Repeat previous search, in reverse direction.
*/
save_search_type = search_type;
search_type = SRCH_REVERSE(search_type);
DO_SEARCH();
search_type = save_search_type;
break;
case A_T_REVERSE_SEARCH:
/*
* Repeat previous search,
* multiple files in reverse direction.
*/
save_search_type = search_type;
search_type = SRCH_REVERSE(search_type);
search_type |= SRCH_PAST_EOF;
DO_SEARCH();
search_type = save_search_type;
break;
case A_UNDO_SEARCH:
undo_search();
break;
case A_HELP:
/*
* Help.
*/
if (ch_getflags() & CH_HELPFILE)
break;
if (ungot != NULL || unget_end) {
error(less_is_more
? "Invalid option -p h"
: "Invalid option ++h",
NULL_PARG);
break;
}
cmd_exec();
save_hshift = hshift;
hshift = 0;
(void) edit(FAKE_HELPFILE);
break;
case A_EXAMINE:
/*
* Edit a new file. Get the filename.
*/
if (secure) {
error("Command not available", NULL_PARG);
break;
}
start_mca(A_EXAMINE, "Examine: ", ml_examine, 0);
c = getcc();
goto again;
case A_VISUAL:
/*
* Invoke an editor on the input file.
*/
if (secure) {
error("Command not available", NULL_PARG);
break;
}
if (ch_getflags() & CH_HELPFILE)
break;
if (strcmp(get_filename(curr_ifile), "-") == 0) {
error("Cannot edit standard input", NULL_PARG);
break;
}
if (curr_altfilename != NULL) {
error("WARNING: This file was viewed via "
"LESSOPEN", NULL_PARG);
}
start_mca(A_SHELL, "!", ml_shell, 0);
/*
* Expand the editor prototype string
* and pass it to the system to execute.
* (Make sure the screen is displayed so the
* expansion of "+%lm" works.)
*/
make_display();
cmd_exec();
lsystem(pr_expand(editproto, 0), NULL);
break;
case A_NEXT_FILE:
/*
* Examine next file.
*/
if (ntags()) {
error("No next file", NULL_PARG);
break;
}
if (number <= 0)
number = 1;
if (edit_next((int)number)) {
if (get_quit_at_eof() && eof_displayed() &&
!(ch_getflags() & CH_HELPFILE))
quit(QUIT_OK);
parg.p_string = (number > 1) ? "(N-th) " : "";
error("No %snext file", &parg);
}
break;
case A_PREV_FILE:
/*
* Examine previous file.
*/
if (ntags()) {
error("No previous file", NULL_PARG);
break;
}
if (number <= 0)
number = 1;
if (edit_prev((int)number)) {
parg.p_string = (number > 1) ? "(N-th) " : "";
error("No %sprevious file", &parg);
}
break;
case A_NEXT_TAG:
if (number <= 0)
number = 1;
tagfile = nexttag((int)number);
if (tagfile == NULL) {
error("No next tag", NULL_PARG);
break;
}
if (edit(tagfile) == 0) {
off_t pos = tagsearch();
if (pos != -1)
jump_loc(pos, jump_sline);
}
break;
case A_PREV_TAG:
if (number <= 0)
number = 1;
tagfile = prevtag((int)number);
if (tagfile == NULL) {
error("No previous tag", NULL_PARG);
break;
}
if (edit(tagfile) == 0) {
off_t pos = tagsearch();
if (pos != -1)
jump_loc(pos, jump_sline);
}
break;
case A_INDEX_FILE:
/*
* Examine a particular file.
*/
if (number <= 0)
number = 1;
if (edit_index((int)number))
error("No such file", NULL_PARG);
break;
case A_REMOVE_FILE:
if (ch_getflags() & CH_HELPFILE)
break;
old_ifile = curr_ifile;
new_ifile = getoff_ifile(curr_ifile);
if (new_ifile == NULL_IFILE) {
ring_bell();
break;
}
if (edit_ifile(new_ifile) != 0) {
reedit_ifile(old_ifile);
break;
}
del_ifile(old_ifile);
break;
case A_OPT_TOGGLE:
optflag = OPT_TOGGLE;
optgetname = FALSE;
mca_opt_toggle();
c = getcc();
goto again;
case A_DISP_OPTION:
/*
* Report a flag setting.
*/
optflag = OPT_NO_TOGGLE;
optgetname = FALSE;
mca_opt_toggle();
c = getcc();
goto again;
case A_FIRSTCMD:
/*
* Set an initial command for new files.
*/
start_mca(A_FIRSTCMD, "+", NULL, 0);
c = getcc();
goto again;
case A_SHELL:
/*
* Shell escape.
*/
if (secure) {
error("Command not available", NULL_PARG);
break;
}
start_mca(A_SHELL, "!", ml_shell, 0);
c = getcc();
goto again;
case A_SETMARK:
/*
* Set a mark.
*/
if (ch_getflags() & CH_HELPFILE)
break;
start_mca(A_SETMARK, "mark: ", (void*)NULL, 0);
c = getcc();
if (c == erase_char || c == erase2_char ||
c == kill_char || c == '\n' || c == '\r')
break;
setmark(c);
break;
case A_GOMARK:
/*
* Go to a mark.
*/
start_mca(A_GOMARK, "goto mark: ", (void*)NULL, 0);
c = getcc();
if (c == erase_char || c == erase2_char ||
c == kill_char || c == '\n' || c == '\r')
break;
cmd_exec();
gomark(c);
break;
case A_PIPE:
if (secure) {
error("Command not available", NULL_PARG);
break;
}
start_mca(A_PIPE, "|mark: ", (void*)NULL, 0);
c = getcc();
if (c == erase_char || c == erase2_char ||
c == kill_char)
break;
if (c == '\n' || c == '\r')
c = '.';
if (badmark(c))
break;
pipec = c;
start_mca(A_PIPE, "!", ml_shell, 0);
c = getcc();
goto again;
case A_B_BRACKET:
case A_F_BRACKET:
start_mca(action, "Brackets: ", (void*)NULL, 0);
c = getcc();
goto again;
case A_LSHIFT:
if (number > 0)
shift_count = number;
else
number = (shift_count > 0) ?
shift_count : sc_width / 2;
if (number > hshift)
number = hshift;
hshift -= number;
screen_trashed = 1;
break;
case A_RSHIFT:
if (number > 0)
shift_count = number;
else
number = (shift_count > 0) ?
shift_count : sc_width / 2;
hshift += number;
screen_trashed = 1;
break;
case A_PREFIX:
/*
* The command is incomplete (more chars are needed).
* Display the current char, so the user knows
* what's going on, and get another character.
*/
if (mca != A_PREFIX) {
cmd_reset();
start_mca(A_PREFIX, " ", (void*)NULL,
CF_QUIT_ON_ERASE);
(void) cmd_char(c);
}
c = getcc();
goto again;
case A_NOACTION:
break;
default:
ring_bell();
break;
}
}
}
/*
* Display the appropriate prompt.
*/
static void
prompt(void)
{
const char *p;
if (ungot != NULL) {
/*
* No prompt necessary if commands are from
* ungotten chars rather than from the user.
*/
return;
}
/*
* Make sure the screen is displayed.
*/
make_display();
bottompos = position(BOTTOM_PLUS_ONE);
/*
* If we've hit EOF on the last file and the -E flag is set, quit.
*/
if (get_quit_at_eof() == OPT_ONPLUS &&
eof_displayed() && !(ch_getflags() & CH_HELPFILE) &&
next_ifile(curr_ifile) == NULL_IFILE)
quit(QUIT_OK);
/*
* If the entire file is displayed and the -F flag is set, quit.
*/
if (quit_if_one_screen &&
entire_file_displayed() && !(ch_getflags() & CH_HELPFILE) &&
next_ifile(curr_ifile) == NULL_IFILE)
quit(QUIT_OK);
/*
* Select the proper prompt and display it.
*/
/*
* If the previous action was a forward movement,
* don't clear the bottom line of the display;
* just print the prompt since the forward movement guarantees
* that we're in the right position to display the prompt.
* Clearing the line could cause a problem: for example, if the last
* line displayed ended at the right screen edge without a newline,
* then clearing would clear the last displayed line rather than
* the prompt line.
*/
if (!forw_prompt)
clear_bot();
clear_cmd();
forw_prompt = 0;
p = prompt_string();
if (is_filtering())
putstr("& ");
if (p == NULL || *p == '\0') {
putchr(':');
} else {
at_enter(AT_STANDOUT);
putstr(p);
at_exit();
}
clear_eol();
}
/**
* Make a channel persistent by inserting it into the database
*
* @param c the db config
* @param ch the channel to register
*
* @return 0 on failure, 1 on success
*/
int db_register_channel(struct config *c, struct channel *ch)
{
char *q = "INSERT INTO channels \
(server_id, name, topic, description, \
codec, maxusers, ordr, \
flag_default, flag_hierarchical, flag_moderated, \
parent_id, password) \
VALUES \
(%i, %s, %s, %s, \
%i, %i, %i, \
%i, %i, %i, \
%i, %s);";
char *name_clean, *topic_clean, *desc_clean, *pass_clean;
int flag_default, flag_hierar, flag_mod;
int insert_id, parent_id;
size_t iter;
struct channel *tmp_ch;
struct player_channel_privilege *priv;
dbi_result res;
if (ch->db_id != 0) /* already exists in the db */
return 0;
/* Secure the input before inserting */
dbi_conn_quote_string_copy(c->conn, ch->name, &name_clean);
dbi_conn_quote_string_copy(c->conn, ch->topic, &topic_clean);
dbi_conn_quote_string_copy(c->conn, ch->desc, &desc_clean);
dbi_conn_quote_string_copy(c->conn, ch->password, &pass_clean);
/* better here than in the query function */
flag_default = (ch->flags & CHANNEL_FLAG_DEFAULT);
flag_hierar = (ch->flags & CHANNEL_FLAG_SUBCHANNELS);
flag_mod = (ch->flags & CHANNEL_FLAG_MODERATED);
/* Add the ID of the parent or -1 */
if (ch->parent == NULL)
parent_id = 0xFFFFFFFF;
else
parent_id = ch->parent->db_id;
res = dbi_conn_queryf(c->conn, q,
ch->in_server->id, name_clean, topic_clean, desc_clean,
ch->codec, ch->players->max_slots, ch->sort_order,
flag_default, flag_hierar, flag_mod,
parent_id, pass_clean);
if (res == NULL) {
logger(LOG_ERR, "Insertion request failed : ");
logger(LOG_ERR, q, ch->in_server->id, name_clean, topic_clean, desc_clean,
ch->codec, ch->players->max_slots, ch->sort_order,
flag_default, flag_hierar, flag_mod,
parent_id, pass_clean);
}
insert_id = dbi_conn_sequence_last(c->conn, NULL);
ch->db_id = insert_id;
/* Register all the subchannels */
if (ch_getflags(ch) & CHANNEL_FLAG_SUBCHANNELS) {
ar_each(struct channel *, tmp_ch, iter, ch->subchannels)
db_register_channel(c, tmp_ch);
ar_end_each;
}
