static void cle_showtext(FAR struct cle_s *priv)
{
uint16_t column;
uint16_t tabcol;
/* Turn off the cursor during the update. */
cle_cursoroff(priv);
/* Set the cursor position to the beginning of this row */
cle_setcursor(priv, 0);
cle_clrtoeol(priv);
/* Loop for each column */
for (column = 0; column < priv->nchars; )
{
/* Perform TAB expansion */
if (priv->line[column] == '\t')
{
tabcol = NEXT_TAB(column);
if (tabcol < priv->linelen)
{
for (; column < tabcol; column++)
{
cle_putch(priv, ' ');
}
}
else
{
/* Break out of the loop... there is nothing left on the
* line but whitespace.
*/
break;
}
}
/* Add the normal character to the display */
else
{
cle_putch(priv, priv->line[column]);
column++;
}
}
/* Turn the cursor back on */
cle_cursoron(priv);
}
/*
* Output character. Buffer whitespace.
*/
void
db_putchar(int c)
{
if (db_max_line >= DB_MIN_MAX_LINE && db_output_line >= db_max_line-1)
db_more();
if (c > ' ' && c <= '~') {
/*
* Printing character.
* If we have spaces to print, print them first.
* Use tabs if possible.
*/
db_force_whitespace();
cnputc(c);
db_output_position++;
if (db_max_width >= DB_MIN_MAX_WIDTH
&& db_output_position >= db_max_width-1) {
/* auto new line */
cnputc('\n');
db_output_position = 0;
db_last_non_space = 0;
db_output_line++;
}
db_last_non_space = db_output_position;
}
else if (c == '\n') {
/* Return */
cnputc(c);
db_output_position = 0;
db_last_non_space = 0;
db_output_line++;
}
else if (c == '\t') {
/* assume tabs every 8 positions */
db_output_position = NEXT_TAB(db_output_position);
}
else if (c == ' ') {
/* space */
db_output_position++;
}
else if (c == '\007') {
/* bell */
cnputc(c);
}
/* other characters are assumed non-printing */
}
/*
* Force pending whitespace.
*/
void
db_force_whitespace(void)
{
register int last_print, next_tab;
last_print = db_last_non_space;
while (last_print < db_output_position) {
next_tab = NEXT_TAB(last_print);
if (next_tab <= db_output_position) {
cnputc('\t');
last_print = next_tab;
}
else {
cnputc(' ');
last_print++;
}
}
db_last_non_space = db_output_position;
}
/*
* Output character. Buffer whitespace.
*/
void
db_putchar(char c)
{
if (db_max_line >= DB_MIN_MAX_LINE && db_output_line >= db_max_line-1)
db_more();
if (c > ' ' && c <= '~') {
/*
* Printing character.
* If we have spaces to print, print them first.
* Use tabs if possible.
*/
db_force_whitespace();
cnputc(c);
db_last_gen_return = 0;
db_advance_output_position(db_output_position+1, 0);
db_last_non_space = db_output_position;
}
else if (c == '\n') {
/* Return */
if (db_last_gen_return) {
db_last_gen_return = 0;
} else {
cnputc(c);
db_output_position = 0;
db_last_non_space = 0;
db_output_line++;
db_check_interrupt();
}
}
else if (c == '\t') {
/* assume tabs every 8 positions */
db_advance_output_position(NEXT_TAB(db_output_position), 1);
}
else if (c == ' ') {
/* space */
db_advance_output_position(db_output_position+1, 1);
}
else if (c == '\007') {
/* bell */
cnputc(c);
}
/* other characters are assumed non-printing */
}
/*
* Force pending whitespace.
*/
void
db_force_whitespace(void)
{
int last_print, next_tab;
last_print = db_last_non_space;
while (last_print < db_output_position) {
next_tab = NEXT_TAB(last_print);
if (next_tab <= db_output_position) {
while (last_print < next_tab) { /* DON'T send a tab!!! */
cnputc(' ');
last_print++;
}
}
else {
cnputc(' ');
last_print++;
}
}
db_last_non_space = db_output_position;
}
/*
* Output character. Buffer whitespace.
*
* Parameters:
* arg: character to output
*/
static void
db_putchar(int c, void *arg)
{
/*
* If not in the debugger, output data to both the console and
* the message buffer.
*/
if (!db_active) {
if (c == '\r' || c == '\n' || c == '\t' ||
isprint(c)) {
kprintf("%c", c);
} else {
kprintf("?");
}
if (!db_active)
return;
if (c == '\r' || c == '\n')
db_check_interrupt();
return;
}
crit_enter_hard();
if (c > ' ' && c <= '~') {
/*
* Printing character.
* If we have spaces to print, print them first.
* Use tabs if possible.
*/
db_force_whitespace();
cnputc(c);
db_output_position++;
db_last_non_space = db_output_position;
}
else if (c == '\n') {
/* Newline */
cnputc(c);
db_output_position = 0;
db_last_non_space = 0;
db_check_interrupt();
}
else if (c == '\r') {
/* Return */
cnputc(c);
db_output_position = 0;
db_last_non_space = 0;
db_check_interrupt();
}
else if (c == '\t') {
/* assume tabs every 8 positions */
db_output_position = NEXT_TAB(db_output_position);
}
else if (c == ' ') {
/* space */
db_output_position++;
}
else if (c == '\007') {
/* bell */
cnputc(c);
}
/* other characters are assumed non-printing */
crit_exit_hard();
}
static void
db_putc(int c)
{
/*
* If not in the debugger or the user requests it, output data to
* both the console and the message buffer.
*/
if (!kdb_active || ddb_use_printf) {
printf("%c", c);
if (!kdb_active)
return;
if (c == '\r' || c == '\n')
db_check_interrupt();
if (c == '\n' && db_maxlines > 0) {
db_newlines++;
if (db_newlines >= db_maxlines)
db_pager();
}
return;
}
/* Otherwise, output data directly to the console. */
if (c > ' ' && c <= '~') {
/*
* Printing character.
* If we have spaces to print, print them first.
* Use tabs if possible.
*/
db_force_whitespace();
cnputc(c);
db_capture_writech(c);
db_output_position++;
db_last_non_space = db_output_position;
}
else if (c == '\n') {
/* Newline */
cnputc(c);
db_capture_writech(c);
db_output_position = 0;
db_last_non_space = 0;
db_check_interrupt();
if (db_maxlines > 0) {
db_newlines++;
if (db_newlines >= db_maxlines)
db_pager();
}
}
else if (c == '\r') {
/* Return */
cnputc(c);
db_capture_writech(c);
db_output_position = 0;
db_last_non_space = 0;
db_check_interrupt();
}
else if (c == '\t') {
/* assume tabs every 8 positions */
db_output_position = NEXT_TAB(db_output_position);
}
else if (c == ' ') {
/* space */
db_output_position++;
}
else if (c == '\007') {
/* bell */
cnputc(c);
/* No need to beep in a log: db_capture_writech(c); */
}
/* other characters are assumed non-printing */
}
