/**
The commandline builtin. It is used for specifying a new value for
the commandline.
*/
static int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv)
{
wgetopter_t w;
int buffer_part=0;
int cut_at_cursor=0;
int argc = builtin_count_args(argv);
int append_mode=0;
int function_mode = 0;
int selection_mode = 0;
int tokenize = 0;
int cursor_mode = 0;
int line_mode = 0;
int search_mode = 0;
int paging_mode = 0;
const wchar_t *begin = NULL, *end = NULL;
scoped_push<const wchar_t *> saved_current_buffer(¤t_buffer);
scoped_push<size_t> saved_current_cursor_pos(¤t_cursor_pos);
wcstring transient_commandline;
if (get_top_transient(&transient_commandline))
{
current_buffer = transient_commandline.c_str();
current_cursor_pos = transient_commandline.size();
}
else
{
current_buffer = reader_get_buffer();
current_cursor_pos = reader_get_cursor_pos();
}
if (!get_buffer())
{
if (is_interactive_session)
{
/*
Prompt change requested while we don't have
a prompt, most probably while reading the
init files. Just ignore it.
*/
return 1;
}
streams.err.append(argv[0]);
streams.err.append(L": Can not set commandline in non-interactive mode\n");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
w.woptind=0;
while (1)
{
static const struct woption
long_options[] =
{
{ L"append", no_argument, 0, 'a' },
{ L"insert", no_argument, 0, 'i' },
{ L"replace", no_argument, 0, 'r' },
{ L"current-job", no_argument, 0, 'j' },
{ L"current-process", no_argument, 0, 'p' },
{ L"current-token", no_argument, 0, 't' },
{ L"current-buffer", no_argument, 0, 'b' },
{ L"cut-at-cursor", no_argument, 0, 'c' },
{ L"function", no_argument, 0, 'f' },
{ L"tokenize", no_argument, 0, 'o' },
{ L"help", no_argument, 0, 'h' },
{ L"input", required_argument, 0, 'I' },
{ L"cursor", no_argument, 0, 'C' },
{ L"line", no_argument, 0, 'L' },
{ L"search-mode", no_argument, 0, 'S' },
{ L"selection", no_argument, 0, 's' },
{ L"paging-mode", no_argument, 0, 'P' },
{ 0, 0, 0, 0 }
};
int opt_index = 0;
int opt = w.wgetopt_long(argc,
argv,
L"abijpctwforhI:CLSsP",
long_options,
&opt_index);
if (opt == -1)
break;
switch (opt)
{
case 0:
if (long_options[opt_index].flag != 0)
break;
streams.err.append_format(BUILTIN_ERR_UNKNOWN,
argv[0],
long_options[opt_index].name);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
case L'a':
append_mode = APPEND_MODE;
break;
case L'b':
buffer_part = STRING_MODE;
break;
case L'i':
append_mode = INSERT_MODE;
break;
case L'r':
append_mode = REPLACE_MODE;
break;
case 'c':
cut_at_cursor=1;
break;
case 't':
buffer_part = TOKEN_MODE;
break;
case 'j':
buffer_part = JOB_MODE;
break;
case 'p':
buffer_part = PROCESS_MODE;
break;
case 'f':
function_mode=1;
break;
case 'o':
tokenize=1;
break;
case 'I':
current_buffer = w.woptarg;
current_cursor_pos = wcslen(w.woptarg);
break;
case 'C':
cursor_mode = 1;
break;
case 'L':
line_mode = 1;
break;
case 'S':
search_mode = 1;
break;
case 's':
selection_mode = 1;
break;
case 'P':
paging_mode = 1;
break;
case 'h':
builtin_print_help(parser, streams, argv[0], streams.out);
return 0;
case L'?':
builtin_unknown_option(parser, streams, argv[0], argv[w.woptind-1]);
return 1;
}
}
if (function_mode)
{
int i;
/*
Check for invalid switch combinations
*/
if (buffer_part || cut_at_cursor || append_mode || tokenize || cursor_mode || line_mode || search_mode || paging_mode)
{
streams.err.append_format(BUILTIN_ERR_COMBO,
argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if (argc == w.woptind)
{
streams.err.append_format(BUILTIN_ERR_MISSING,
argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
for (i=w.woptind; i<argc; i++)
{
wchar_t c = input_function_get_code(argv[i]);
if (c != INPUT_CODE_NONE)
{
/*
input_unreadch inserts the specified keypress or
readline function at the back of the queue of unused
keypresses
*/
input_queue_ch(c);
}
else
{
streams.err.append_format(_(L"%ls: Unknown input function '%ls'\n"),
argv[0],
argv[i]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
}
return 0;
}
if (selection_mode)
{
size_t start, len;
const wchar_t *buffer = reader_get_buffer();
if (reader_get_selection(&start, &len))
{
streams.out.append(buffer + start, len);
}
return 0;
}
/*
Check for invalid switch combinations
*/
if ((search_mode || line_mode || cursor_mode || paging_mode) && (argc-w.woptind > 1))
{
streams.err.append_format(argv[0],
L": Too many arguments\n",
NULL);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if ((buffer_part || tokenize || cut_at_cursor) && (cursor_mode || line_mode || search_mode || paging_mode))
{
streams.err.append_format(BUILTIN_ERR_COMBO,
argv[0]);
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if ((tokenize || cut_at_cursor) && (argc-w.woptind))
{
streams.err.append_format(BUILTIN_ERR_COMBO2,
argv[0],
L"--cut-at-cursor and --tokenize can not be used when setting the commandline");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
if (append_mode && !(argc-w.woptind))
{
streams.err.append_format(BUILTIN_ERR_COMBO2,
argv[0],
L"insertion mode switches can not be used when not in insertion mode");
builtin_print_help(parser, streams, argv[0], streams.err);
return 1;
}
/*
Set default modes
*/
if (!append_mode)
{
append_mode = REPLACE_MODE;
}
if (!buffer_part)
{
buffer_part = STRING_MODE;
}
if (cursor_mode)
{
if (argc-w.woptind)
{
wchar_t *endptr;
long new_pos;
errno = 0;
new_pos = wcstol(argv[w.woptind], &endptr, 10);
if (*endptr || errno)
{
streams.err.append_format(BUILTIN_ERR_NOT_NUMBER,
argv[0],
argv[w.woptind]);
builtin_print_help(parser, streams, argv[0], streams.err);
}
current_buffer = reader_get_buffer();
new_pos = maxi(0L, mini(new_pos, (long)wcslen(current_buffer)));
reader_set_buffer(current_buffer, (size_t)new_pos);
return 0;
}
else
{
streams.out.append_format( L"%lu\n", (unsigned long)reader_get_cursor_pos());
return 0;
}
}
if (line_mode)
{
size_t pos = reader_get_cursor_pos();
const wchar_t *buff = reader_get_buffer();
streams.out.append_format( L"%lu\n", (unsigned long)parse_util_lineno(buff, pos));
return 0;
}
if (search_mode)
{
return ! reader_search_mode();
}
if (paging_mode)
{
return ! reader_has_pager_contents();
}
switch (buffer_part)
{
case STRING_MODE:
{
begin = get_buffer();
end = begin+wcslen(begin);
break;
}
case PROCESS_MODE:
{
parse_util_process_extent(get_buffer(),
get_cursor_pos(),
&begin,
&end);
break;
}
case JOB_MODE:
{
parse_util_job_extent(get_buffer(),
get_cursor_pos(),
&begin,
&end);
break;
}
case TOKEN_MODE:
{
parse_util_token_extent(get_buffer(),
get_cursor_pos(),
&begin,
&end,
0, 0);
break;
}
}
switch (argc-w.woptind)
{
case 0:
{
write_part(begin, end, cut_at_cursor, tokenize, streams);
break;
}
case 1:
{
replace_part(begin, end, argv[w.woptind], append_mode);
break;
}
default:
{
wcstring sb = argv[w.woptind];
int i;
for (i=w.woptind+1; i<argc; i++)
{
sb.push_back(L'\n');
sb.append(argv[i]);
}
replace_part(begin, end, sb.c_str(), append_mode);
break;
}
}
return 0;
}
/// The commandline builtin. It is used for specifying a new value for the commandline.
int builtin_commandline(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
// Pointer to what the commandline builtin considers to be the current contents of the command
// line buffer.
const wchar_t *current_buffer = 0;
// What the commandline builtin considers to be the current cursor position.
size_t current_cursor_pos = (size_t)(-1);
wchar_t *cmd = argv[0];
int buffer_part = 0;
int cut_at_cursor = 0;
int argc = builtin_count_args(argv);
int append_mode = 0;
int function_mode = 0;
int selection_mode = 0;
int tokenize = 0;
int cursor_mode = 0;
int line_mode = 0;
int search_mode = 0;
int paging_mode = 0;
const wchar_t *begin = NULL, *end = NULL;
wcstring transient_commandline;
if (get_top_transient(&transient_commandline)) {
current_buffer = transient_commandline.c_str();
current_cursor_pos = transient_commandline.size();
} else {
current_buffer = reader_get_buffer();
current_cursor_pos = reader_get_cursor_pos();
}
if (!current_buffer) {
if (is_interactive_session) {
// Prompt change requested while we don't have a prompt, most probably while reading the
// init files. Just ignore it.
return STATUS_CMD_ERROR;
}
streams.err.append(argv[0]);
streams.err.append(L": Can not set commandline in non-interactive mode\n");
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_CMD_ERROR;
}
static const wchar_t *const short_options = L":abijpctwforhI:CLSsP";
static const struct woption long_options[] = {{L"append", no_argument, NULL, 'a'},
{L"insert", no_argument, NULL, 'i'},
{L"replace", no_argument, NULL, 'r'},
{L"current-buffer", no_argument, NULL, 'b'},
{L"current-job", no_argument, NULL, 'j'},
{L"current-process", no_argument, NULL, 'p'},
{L"current-selection", no_argument, NULL, 's'},
{L"current-token", no_argument, NULL, 't'},
{L"cut-at-cursor", no_argument, NULL, 'c'},
{L"function", no_argument, NULL, 'f'},
{L"tokenize", no_argument, NULL, 'o'},
{L"help", no_argument, NULL, 'h'},
{L"input", required_argument, NULL, 'I'},
{L"cursor", no_argument, NULL, 'C'},
{L"line", no_argument, NULL, 'L'},
{L"search-mode", no_argument, NULL, 'S'},
{L"paging-mode", no_argument, NULL, 'P'},
{NULL, 0, NULL, 0}};
int opt;
wgetopter_t w;
while ((opt = w.wgetopt_long(argc, argv, short_options, long_options, NULL)) != -1) {
switch (opt) {
case L'a': {
append_mode = APPEND_MODE;
break;
}
case L'b': {
buffer_part = STRING_MODE;
break;
}
case L'i': {
append_mode = INSERT_MODE;
break;
}
case L'r': {
append_mode = REPLACE_MODE;
break;
}
case 'c': {
cut_at_cursor = 1;
break;
}
case 't': {
buffer_part = TOKEN_MODE;
break;
}
case 'j': {
buffer_part = JOB_MODE;
break;
}
case 'p': {
buffer_part = PROCESS_MODE;
break;
}
case 'f': {
function_mode = 1;
break;
}
case 'o': {
tokenize = 1;
break;
}
case 'I': {
current_buffer = w.woptarg;
current_cursor_pos = wcslen(w.woptarg);
break;
}
case 'C': {
cursor_mode = 1;
break;
}
case 'L': {
line_mode = 1;
break;
}
case 'S': {
search_mode = 1;
break;
}
case 's': {
selection_mode = 1;
break;
}
case 'P': {
paging_mode = 1;
break;
}
case 'h': {
builtin_print_help(parser, streams, cmd, streams.out);
return STATUS_CMD_OK;
}
case ':': {
builtin_missing_argument(parser, streams, cmd, argv[w.woptind - 1]);
return STATUS_INVALID_ARGS;
}
case L'?': {
builtin_unknown_option(parser, streams, cmd, argv[w.woptind - 1]);
return STATUS_INVALID_ARGS;
}
default: {
DIE("unexpected retval from wgetopt_long");
break;
}
}
}
if (function_mode) {
int i;
// Check for invalid switch combinations.
if (buffer_part || cut_at_cursor || append_mode || tokenize || cursor_mode || line_mode ||
search_mode || paging_mode) {
streams.err.append_format(BUILTIN_ERR_COMBO, argv[0]);
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_INVALID_ARGS;
}
if (argc == w.woptind) {
builtin_missing_argument(parser, streams, cmd, argv[0]);
return STATUS_INVALID_ARGS;
}
for (i = w.woptind; i < argc; i++) {
wchar_t c = input_function_get_code(argv[i]);
if (c != INPUT_CODE_NONE) {
// input_unreadch inserts the specified keypress or readline function at the back of
// the queue of unused keypresses.
input_queue_ch(c);
} else {
streams.err.append_format(_(L"%ls: Unknown input function '%ls'"), cmd, argv[i]);
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_INVALID_ARGS;
}
}
return STATUS_CMD_OK;
}
if (selection_mode) {
size_t start, len;
const wchar_t *buffer = reader_get_buffer();
if (reader_get_selection(&start, &len)) {
streams.out.append(buffer + start, len);
}
return STATUS_CMD_OK;
}
// Check for invalid switch combinations.
if ((search_mode || line_mode || cursor_mode || paging_mode) && (argc - w.woptind > 1)) {
streams.err.append_format(L"%ls: Too many arguments", argv[0]);
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_INVALID_ARGS;
}
if ((buffer_part || tokenize || cut_at_cursor) &&
(cursor_mode || line_mode || search_mode || paging_mode)) {
streams.err.append_format(BUILTIN_ERR_COMBO, argv[0]);
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_INVALID_ARGS;
}
if ((tokenize || cut_at_cursor) && (argc - w.woptind)) {
streams.err.append_format(
BUILTIN_ERR_COMBO2, cmd,
L"--cut-at-cursor and --tokenize can not be used when setting the commandline");
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_INVALID_ARGS;
}
if (append_mode && !(argc - w.woptind)) {
streams.err.append_format(
BUILTIN_ERR_COMBO2, cmd,
L"insertion mode switches can not be used when not in insertion mode");
builtin_print_help(parser, streams, cmd, streams.err);
return STATUS_INVALID_ARGS;
}
// Set default modes.
if (!append_mode) {
append_mode = REPLACE_MODE;
}
if (!buffer_part) {
buffer_part = STRING_MODE;
}
if (cursor_mode) {
if (argc - w.woptind) {
long new_pos = fish_wcstol(argv[w.woptind]);
if (errno) {
streams.err.append_format(BUILTIN_ERR_NOT_NUMBER, cmd, argv[w.woptind]);
builtin_print_help(parser, streams, cmd, streams.err);
}
current_buffer = reader_get_buffer();
new_pos = maxi(0L, mini(new_pos, (long)wcslen(current_buffer)));
reader_set_buffer(current_buffer, (size_t)new_pos);
} else {
streams.out.append_format(L"%lu\n", (unsigned long)reader_get_cursor_pos());
}
return STATUS_CMD_OK;
}
if (line_mode) {
size_t pos = reader_get_cursor_pos();
const wchar_t *buff = reader_get_buffer();
streams.out.append_format(L"%lu\n", (unsigned long)parse_util_lineno(buff, pos));
return STATUS_CMD_OK;
}
if (search_mode) {
return reader_is_in_search_mode() ? 0 : 1;
}
if (paging_mode) {
return reader_has_pager_contents() ? 0 : 1;
}
switch (buffer_part) {
case STRING_MODE: {
begin = current_buffer;
end = begin + wcslen(begin);
break;
}
case PROCESS_MODE: {
parse_util_process_extent(current_buffer, current_cursor_pos, &begin, &end);
break;
}
case JOB_MODE: {
parse_util_job_extent(current_buffer, current_cursor_pos, &begin, &end);
break;
}
case TOKEN_MODE: {
parse_util_token_extent(current_buffer, current_cursor_pos, &begin, &end, 0, 0);
break;
}
default: {
DIE("unexpected buffer_part");
break;
}
}
int arg_count = argc - w.woptind;
if (arg_count == 0) {
write_part(begin, end, cut_at_cursor, tokenize, current_buffer, current_cursor_pos,
streams);
} else if (arg_count == 1) {
replace_part(begin, end, argv[w.woptind], append_mode, current_buffer, current_cursor_pos);
} else {
wcstring sb = argv[w.woptind];
for (int i = w.woptind + 1; i < argc; i++) {
sb.push_back(L'\n');
sb.append(argv[i]);
}
replace_part(begin, end, sb.c_str(), append_mode, current_buffer, current_cursor_pos);
}
return STATUS_CMD_OK;
}
