/**
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.
*/
static int builtin_commandline( wchar_t **argv )
{
int buffer_part=0;
int cut_at_cursor=0;
int argc = builtin_count_args( argv );
int append_mode=0;
int function_mode = 0;
int tokenize = 0;
int cursor_mode = 0;
int line_mode = 0;
int search_mode = 0;
wchar_t *begin, *end;
current_buffer = (wchar_t *)builtin_complete_get_temporary_buffer();
if( current_buffer )
{
current_cursor_pos = wcslen( current_buffer );
}
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;
}
sb_append( sb_err,
argv[0],
L": Can not set commandline in non-interactive mode\n",
(void *)0 );
builtin_print_help( argv[0], sb_err );
return 1;
}
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'
}
,
{
0, 0, 0, 0
}
}
;
int opt_index = 0;
int opt = wgetopt_long( argc,
argv,
L"abijpctwforhI:CLS",
long_options,
&opt_index );
if( opt == -1 )
break;
switch( opt )
{
case 0:
if(long_options[opt_index].flag != 0)
break;
sb_printf( sb_err,
BUILTIN_ERR_UNKNOWN,
argv[0],
long_options[opt_index].name );
builtin_print_help( argv[0], sb_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 = woptarg;
current_cursor_pos = wcslen( woptarg );
break;
case 'C':
cursor_mode = 1;
break;
case 'L':
line_mode = 1;
break;
case 'S':
search_mode = 1;
break;
case 'h':
builtin_print_help( argv[0], sb_out );
return 0;
case L'?':
builtin_unknown_option( argv[0], argv[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 )
{
sb_printf(sb_err,
BUILTIN_ERR_COMBO,
argv[0] );
builtin_print_help( argv[0], sb_err );
return 1;
}
if( argc == woptind )
{
sb_printf( sb_err,
BUILTIN_ERR_MISSING,
argv[0] );
builtin_print_help( argv[0], sb_err );
return 1;
}
for( i=woptind; i<argc; i++ )
{
wint_t c = input_function_get_code( argv[i] );
if( c != -1 )
{
/*
input_unreadch inserts the specified keypress or
readline function at the top of the stack of unused
keypresses
*/
input_unreadch(c);
}
else
{
sb_printf( sb_err,
_(L"%ls: Unknown input function '%ls'\n"),
argv[0],
argv[i] );
builtin_print_help( argv[0], sb_err );
return 1;
}
}
return 0;
}
/*
Check for invalid switch combinations
*/
if( (search_mode || line_mode || cursor_mode) && (argc-woptind > 1) )
{
sb_append( sb_err,
argv[0],
L": Too many arguments\n",
(void *)0 );
builtin_print_help( argv[0], sb_err );
return 1;
}
if( (buffer_part || tokenize || cut_at_cursor) && (cursor_mode || line_mode || search_mode) )
{
sb_printf( sb_err,
BUILTIN_ERR_COMBO,
argv[0] );
builtin_print_help( argv[0], sb_err );
return 1;
}
if( (tokenize || cut_at_cursor) && (argc-woptind) )
{
sb_printf( sb_err,
BUILTIN_ERR_COMBO2,
argv[0],
L"--cut-at-cursor and --tokenize can not be used when setting the commandline" );
builtin_print_help( argv[0], sb_err );
return 1;
}
if( append_mode && !(argc-woptind) )
{
sb_printf( sb_err,
BUILTIN_ERR_COMBO2,
argv[0],
L"insertion mode switches can not be used when not in insertion mode" );
builtin_print_help( argv[0], sb_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-woptind )
{
wchar_t *endptr;
int new_pos;
errno = 0;
new_pos = wcstol( argv[woptind], &endptr, 10 );
if( *endptr || errno )
{
sb_printf( sb_err,
BUILTIN_ERR_NOT_NUMBER,
argv[0],
argv[woptind] );
builtin_print_help( argv[0], sb_err );
}
current_buffer = reader_get_buffer();
new_pos = maxi( 0, mini( new_pos, wcslen( current_buffer ) ) );
reader_set_buffer( current_buffer, new_pos );
return 0;
}
else
{
sb_printf( sb_out, L"%d\n", reader_get_cursor_pos() );
return 0;
}
}
if( line_mode )
{
int pos = reader_get_cursor_pos();
wchar_t *buff = reader_get_buffer();
sb_printf( sb_out, L"%d\n", parse_util_lineno( buff, pos ) );
return 0;
}
if( search_mode )
{
return !reader_search_mode();
}
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-woptind)
{
case 0:
{
write_part( begin, end, cut_at_cursor, tokenize );
break;
}
case 1:
{
replace_part( begin, end, argv[woptind], append_mode );
break;
}
default:
{
string_buffer_t sb;
int i;
sb_init( &sb );
sb_append( &sb, argv[woptind] );
for( i=woptind+1; i<argc; i++ )
{
sb_append( &sb, L"\n" );
sb_append( &sb, argv[i] );
}
replace_part( begin, end, (wchar_t *)sb.buff, append_mode );
sb_destroy( &sb );
break;
}
}
return 0;
}