void logging::set_default_severity_colors(const std::string& name)
{
writer& the_writer = get_logging_core().get_writer(name);
static severity_colors_map severity_colors;
if (severity_colors.empty())
{
severity_colors[logging_severity::fatal] = ansi_color(ansi_color_code::magenta, ansi_color_effect::bold);
severity_colors[logging_severity::error] = ansi_color(ansi_color_code::red, ansi_color_effect::bold);
severity_colors[logging_severity::warning] = ansi_color(ansi_color_code::yellow, ansi_color_effect::bold);
severity_colors[logging_severity::info] = ansi_color(ansi_color_code::green, ansi_color_effect::normal);
severity_colors[logging_severity::debug] = ansi_color(ansi_color_code::cyan, ansi_color_effect::normal);
severity_colors[logging_severity::trace] = ansi_color(ansi_color_code::white, ansi_color_effect::normal);
}
the_writer.set_severity_colors(severity_colors);
}
/**
* Push one byte through the VT52 emulator.
*
* @param from_modem one byte from the remote side.
* @param to_screen if the return is Q_EMUL_FSM_ONE_CHAR or
* Q_EMUL_FSM_MANY_CHARS, then to_screen will have a character to display on
* the screen.
* @return one of the Q_EMULATION_STATUS constants. See emulation.h.
*/
Q_EMULATION_STATUS vt52(const unsigned char from_modem, wchar_t * to_screen) {
static unsigned char *count;
static attr_t attributes;
int new_row;
int new_col;
unsigned char from_modem2;
/*
* The VT52 spec only supports 7-bit ASCII. Strip the high bit off every
* character.
*/
from_modem2 = from_modem & 0x7F;
DLOG(("STATE: %d CHAR: 0x%02x '%c'\n", scan_state, from_modem2,
from_modem2));
vt52_start:
switch (scan_state) {
case SCAN_NONE:
/*
* ESC
*/
if (from_modem2 == C_ESC) {
save_char(from_modem2, to_screen);
scan_state = SCAN_ESC;
return Q_EMUL_FSM_NO_CHAR_YET;
}
/*
* Only a few control chars to handle here. CR and LF are in
* emulation.c .
*/
if (from_modem2 == 0x05) {
DLOG(("Enquire\n"));
/*
* ENQ - transmit the answerback message.
*/
qodem_write(q_child_tty_fd, get_option(Q_OPTION_ENQ_ANSWERBACK),
strlen(get_option(Q_OPTION_ENQ_ANSWERBACK)), Q_TRUE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 0x08) {
DLOG(("Backspace\n"));
/*
* Backspace.
*/
cursor_left(1, Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 0x09) {
DLOG(("Tab\n"));
/*
* Tab.
*/
while (q_status.cursor_x < 80) {
cursor_right(1, Q_FALSE);
if (q_status.cursor_x % 8 == 0) {
break;
}
}
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 0x7F) {
DLOG(("Del\n"));
/*
* Del - consume but do nothing.
*/
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
/*
* Any other control characters.
*/
if (iscntrl(from_modem2)) {
/*
* Consume but do nothing.
*/
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
/*
* This is a printable character.
*/
*to_screen = map_character(from_modem2);
return Q_EMUL_FSM_ONE_CHAR;
case SCAN_Y_1:
save_char(from_modem2, to_screen);
scan_state = SCAN_Y_2;
return Q_EMUL_FSM_NO_CHAR_YET;
case SCAN_Y_2:
/*
* q_emul_buffer[0] = ESC
* q_emul_buffer[1] = 'Y'
*/
new_row = q_emul_buffer[2] - 32;
new_col = from_modem2 - 32;
if (new_row < 0) {
new_row = 0;
}
if (new_col < 0) {
new_col = 0;
}
DLOG(("Cursor position: %d %d\n", new_row, new_col));
cursor_position(new_row, new_col);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
case SCAN_ESC:
if (from_modem2 == 'A') {
DLOG(("Cursor up\n"));
cursor_up(1, Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'B') {
DLOG(("Cursor down\n"));
cursor_down(1, Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'C') {
DLOG(("Cursor right\n"));
cursor_right(1, Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'D') {
DLOG(("Cursor left\n"));
cursor_left(1, Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'E') {
DLOG(("Erase entire screen\n"));
/*
* Cursor position to (0,0) and erase entire screen.
*/
cursor_formfeed();
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'F') {
DLOG(("Graphics mode ON\n"));
graphics_mode = Q_TRUE;
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'G') {
DLOG(("Graphics mode OFF\n"));
graphics_mode = Q_FALSE;
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'H') {
DLOG(("Cursor home\n"));
cursor_position(0, 0);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'I') {
DLOG(("Reverse linefeed\n"));
/*
* Move up one column, inserting a line if already at the top.
*/
if (q_status.cursor_y == 0) {
scroll_down(1);
} else {
cursor_up(1, Q_FALSE);
}
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'J') {
DLOG(("Erase to end of screen\n"));
/*
* Erase from here to end of screen.
*/
erase_screen(q_status.cursor_y, q_status.cursor_x,
HEIGHT - STATUS_HEIGHT - 1, WIDTH - 1, Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'K') {
DLOG(("Erase to end of line\n"));
/*
* Erase from here to end of line.
*/
erase_line(q_status.cursor_x, q_scrollback_current->length,
Q_FALSE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'Y') {
/*
* Cursor position.
*/
save_char(from_modem2, to_screen);
scan_state = SCAN_Y_1;
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'Z') {
DLOG(("DECID\n"));
/*
* Identify
*/
/*
* Note the VT100 and above will send <ESC>/Z, but the DECScope
* manual claims the VT52 will send <ESC>/K if it does not have
* an "integral electrolytic copier" (an internal printer that
* used wet paper).
*/
qodem_write(q_child_tty_fd, "\033/K", 3, Q_TRUE);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == '=') {
DLOG(("Alternate keypad ON\n"));
q_vt52_alternate_keypad_mode = Q_TRUE;
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == '>') {
DLOG(("Alternate keypad OFF\n"));
q_vt52_alternate_keypad_mode = Q_FALSE;
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == '[') {
if (q_status.vt52_color == Q_TRUE) {
/*
* Fall into SCAN_CSI only if VT52_COLOR is enabled.
*/
save_char(from_modem2, to_screen);
scan_state = SCAN_CSI;
return Q_EMUL_FSM_NO_CHAR_YET;
}
DLOG(("Hold screen mode ON\n"));
q_status.hold_screen_mode = Q_TRUE;
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == '\\') {
DLOG(("Hold screen mode OFF\n"));
q_status.hold_screen_mode = Q_FALSE;
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
break;
case SCAN_CSI:
/*
* We are only going to support CSI Pn [ ; Pn ... ] m a.k.a. ANSI
* Select Graphics Rendition. We can see only a digit or 'm'.
*/
if (q_isdigit(from_modem2)) {
/*
* Save the position for the counter.
*/
count = q_emul_buffer + q_emul_buffer_n;
save_char(from_modem2, to_screen);
scan_state = SCAN_CSI_PARAM;
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'm') {
/*
* ESC [ m mean ESC [ 0 m, all attributes off.
*/
DLOG(("ANSI SGR: reset\n"));
q_current_color =
Q_A_NORMAL | scrollback_full_attr(Q_COLOR_CONSOLE_TEXT);
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
/*
* This means we entered HOLD SCREEN mode.
*/
DLOG(("Hold screen mode ON\n"));
q_status.hold_screen_mode = Q_TRUE;
/*
* Reprocess the character from the top.
*/
clear_state(to_screen);
goto vt52_start;
case SCAN_CSI_PARAM:
/*
* Following through on the SGR code, we are now looking only for a
* digit, semicolon, or 'm'
*
*/
if ((q_isdigit(from_modem2)) || (from_modem2 == ';')) {
save_char(from_modem2, to_screen);
scan_state = SCAN_CSI_PARAM;
return Q_EMUL_FSM_NO_CHAR_YET;
}
if (from_modem2 == 'm') {
DLOG(("ANSI SGR: change text attributes\n"));
/*
* Text attributes.
*/
if (ansi_color(&attributes, &count) == Q_TRUE) {
q_current_color = attributes;
} else {
break;
}
clear_state(to_screen);
return Q_EMUL_FSM_NO_CHAR_YET;
}
break;
}
/*
* This point means we got most, but not all, of a sequence.
*/
q_emul_buffer[q_emul_buffer_n] = from_modem2;
q_emul_buffer_n++;
*to_screen = q_emul_buffer[q_emul_buffer_i];
q_emul_buffer_i++;
scan_state = SCAN_NONE;
/*
* Special case: one character returns Q_EMUL_FSM_ONE_CHAR.
*/
if (q_emul_buffer_n == 1) {
q_emul_buffer_i = 0;
q_emul_buffer_n = 0;
return Q_EMUL_FSM_ONE_CHAR;
}
return Q_EMUL_FSM_MANY_CHARS;
}
