/* return address of a marked line */
static int get_marked_node_addr( int c )
{
c -= 'a';
if( c < 0 || c >= 26 )
{ set_error_msg( "Invalid mark character" ); return -1; }
return get_line_node_addr( mark[c]);
}
/* exec_global: apply command list in the command buffer to the active
lines in a range; return command status */
int
exec_global(int interact, int gflag)
{
static char *ocmd = NULL;
static int ocmdsz = 0;
line_t *lp = NULL;
int status;
int n;
char *cmd = NULL;
if (!interact) {
if (!strcmp(ibufp, "\n"))
cmd = "p\n"; /* null cmd-list == `p' */
else if ((cmd = get_extended_line(&n, 0)) == NULL)
return ERR;
}
clear_undo_stack();
while ((lp = next_active_node()) != NULL) {
if ((current_addr = get_line_node_addr(lp)) < 0)
return ERR;
if (interact) {
/* print current_addr; get a command in global syntax */
if (display_lines(current_addr, current_addr, gflag) < 0)
return ERR;
while ((n = get_tty_line()) > 0 &&
ibuf[n - 1] != '\n')
clearerr(stdin);
if (n < 0)
return ERR;
else if (n == 0) {
seterrmsg("unexpected end-of-file");
return ERR;
} else if (n == 1 && !strcmp(ibuf, "\n"))
continue;
else if (n == 2 && !strcmp(ibuf, "&\n")) {
if (cmd == NULL) {
seterrmsg("no previous command");
return ERR;
} else cmd = ocmd;
} else if ((cmd = get_extended_line(&n, 0)) == NULL)
return ERR;
else {
REALLOC(ocmd, ocmdsz, n + 1, ERR);
memcpy(ocmd, cmd, n + 1);
cmd = ocmd;
}
}
ibufp = cmd;
for (; *ibufp;)
if ((status = extract_addr_range()) < 0 ||
(status = exec_command()) < 0 ||
(status > 0 && (status = display_lines(
current_addr, current_addr, status)) < 0))
return status;
}
return 0;
}
/* apply command list in the command buffer to the active lines in a
range; return false if error */
static bool exec_global( const char ** const ibufpp, const int gflags,
const bool interactive )
{
static char * buf = 0;
static int bufsz = 0;
const char * cmd = 0;
if( !interactive )
{
if( traditional() && !strcmp( *ibufpp, "\n" ) )
cmd = "p\n"; /* null cmd_list == 'p' */
else
{
if( !get_extended_line( ibufpp, 0, false ) ) return false;
cmd = *ibufpp;
}
}
clear_undo_stack();
while( true )
{
const line_t * const lp = next_active_node();
if( !lp ) break;
set_current_addr( get_line_node_addr( lp ) );
if( current_addr() < 0 ) return false;
if( interactive )
{
/* print current_addr; get a command in global syntax */
int len;
if( !display_lines( current_addr(), current_addr(), gflags ) )
return false;
do { *ibufpp = get_tty_line( &len ); }
while( *ibufpp && len > 0 && (*ibufpp)[len-1] != '\n' );
if( !*ibufpp ) return false;
if( len == 0 )
{ set_error_msg( "Unexpected end-of-file" ); return false; }
if( len == 1 && !strcmp( *ibufpp, "\n" ) ) continue;
if( len == 2 && !strcmp( *ibufpp, "&\n" ) )
{ if( !cmd ) { set_error_msg( "No previous command" ); return false; } }
else
{
if( !get_extended_line( ibufpp, &len, false ) ||
!resize_buffer( &buf, &bufsz, len + 1 ) ) return false;
memcpy( buf, *ibufpp, len + 1 );
cmd = buf;
}
}
*ibufpp = cmd;
while( **ibufpp ) if( exec_command( ibufpp, 0, true ) < 0 ) return false;
}
return true;
}
