radare2/libr/cons/output.c
2019-08-16 12:10:00 +08:00

442 lines
9.4 KiB
C

/* radare - LGPL - Copyright 2009-2019 - pancake */
#include <r_cons.h>
#include <r_util/r_assert.h>
#define I r_cons_singleton ()
#if __WINDOWS__
static void __fill_tail(int cols, int lines) {
lines++;
if (lines > 0) {
char white[1024];
cols = R_MIN (cols, sizeof (white));
memset (white, ' ', cols - 1);
lines--;
white[cols] = '\n';
while (lines-- > 0) {
write (1, white, cols);
}
}
}
R_API void r_cons_w32_clear(void) {
static HANDLE hStdout = NULL;
static CONSOLE_SCREEN_BUFFER_INFO csbi;
const COORD startCoords = { 0, 0 };
DWORD dummy;
if (I->is_wine == 1) {
write (1, "\033[0;0H\033[0m\033[2J", 6 + 4 + 4);
}
if (!hStdout) {
hStdout = GetStdHandle (STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo (hStdout, &csbi);
//GetConsoleWindowInfo (hStdout, &csbi);
}
FillConsoleOutputCharacter (hStdout, ' ',
csbi.dwSize.X * csbi.dwSize.Y, startCoords, &dummy);
FillConsoleOutputAttribute (hStdout,
FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY,
csbi.dwSize.X * csbi.dwSize.Y, startCoords, &dummy);
}
R_API void r_cons_w32_gotoxy(int fd, int x, int y) {
static HANDLE hStdout = NULL;
static HANDLE hStderr = NULL;
HANDLE *hConsole = fd == 1 ? &hStdout : &hStderr;
COORD coord;
coord.X = x;
coord.Y = y;
if (I->is_wine == 1) {
write (fd, "\x1b[0;0H", 6);
}
if (!*hConsole) {
*hConsole = GetStdHandle (fd == 1 ? STD_OUTPUT_HANDLE : STD_ERROR_HANDLE);
}
SetConsoleCursorPosition (*hConsole, coord);
}
static int wrapline(const char *s, int len) {
int l = 0, n = 0;
for (; n < len; ) {
l = r_str_len_utf8char (s+n, (len-n));
n += l;
}
return n - (n > len)? l: 1;
}
// Dupe from canvas.c
static int utf8len_fixed(const char *s, int n) {
int i = 0, j = 0, fullwidths = 0;
while (s[i] && n > 0) {
if ((s[i] & 0xc0) != 0x80) {
j++;
if (r_str_char_fullwidth (s + i, n)) {
fullwidths++;
}
}
n--;
i++;
}
return j + fullwidths;
}
static int bytes_utf8len(const char *s, int n) {
int ret = 0;
while (n > 0) {
int sz = r_str_utf8_charsize (s);
ret += sz;
s += sz;
n--;
}
return ret;
}
static int r_cons_w32_hprint(DWORD hdl, const ut8 *ptr, int len, bool vmode) {
HANDLE hConsole = GetStdHandle (hdl);
int fd = hdl == STD_OUTPUT_HANDLE ? 1 : 2;
int esc = 0;
int bg = 0, fg = 1|2|4|8;
const ut8 *ptr_end, *str = ptr;
int ret = 0;
int inv = 0;
int linelen = 0;
int ll = 0;
int raw_ll = 0;
int lines, cols = r_cons_get_size (&lines);
if (I->is_wine==-1) {
I->is_wine = r_file_is_directory ("/proc")? 1: 0;
}
if (len < 0) {
len = strlen ((const char *)ptr);
}
ptr_end = ptr + len;
if (ptr && hConsole)
for (; *ptr && ptr < ptr_end; ptr++) {
if (ptr[0] == 0xa) {
raw_ll = (size_t)(ptr - str);
ll = utf8len_fixed (str, raw_ll);
lines--;
if (vmode && lines < 1) {
break;
}
if (raw_ll < 1) {
continue;
}
if (vmode) {
/* only chop columns if necessary */
if (ll + linelen >= cols) {
// chop line if too long
ll = (cols - linelen) - 1;
if (ll < 0) {
continue;
}
}
}
if (ll > 0) {
raw_ll = bytes_utf8len (str, ll);
write (fd, str, raw_ll);
linelen += ll;
}
esc = 0;
str = ptr + 1;
if (vmode) {
int wlen = cols - linelen;
char white[1024];
if (wlen > 0 && wlen < sizeof (white)) {
memset (white, ' ', sizeof (white));
write (fd, white, wlen-1);
}
}
write (fd, "\n\r", 2);
// reset colors for next line
SetConsoleTextAttribute (hConsole, 1 | 2 | 4 | 8);
linelen = 0;
continue;
}
if (ptr[0] == 0x1b) {
raw_ll = (size_t)(ptr - str);
ll = utf8len_fixed (str, raw_ll);
if (str[0] == '\n') {
str++;
ll--;
if (vmode) {
int wlen = cols - linelen - 1;
char white[1024];
//wlen = 5;
if (wlen > 0) {
memset (white, ' ', sizeof (white));
write (fd, white, wlen);
}
}
write (fd, "\n\r", 2);
//write (fd, "\r\n", 2);
//lines--;
linelen = 0;
}
if (vmode) {
if (linelen + ll >= cols) {
// chop line if too long
ll = (cols - linelen) - 1;
if (ll > 0) {
// fix utf8 len here
ll = wrapline ((const char*)str, cols - linelen - 1);
}
}
}
if (ll > 0) {
raw_ll = bytes_utf8len (str, ll);
write (fd, str, raw_ll);
linelen += ll;
}
esc = 1;
str = ptr + 1;
continue;
}
if (esc == 1) {
// \x1b[2J
if (ptr[0] != '[') {
eprintf ("Oops invalid escape char\n");
esc = 0;
str = ptr + 1;
continue;
}
esc = 2;
continue;
} else if (esc == 2) {
const char *ptr2 = NULL;
int x, y, i, state = 0;
for (i = 0; ptr[i] && state >= 0; i++) {
switch (state) {
case 0:
if (ptr[i] == ';') {
y = atoi ((const char *)ptr);
state = 1;
ptr2 = (const char *)ptr+i+1;
} else if (ptr[i] >='0' && ptr[i]<='9') {
// ok
} else {
state = -1; // END FAIL
}
break;
case 1:
if (ptr[i]=='H') {
x = atoi (ptr2);
state = -2; // END OK
} else if (ptr[i] >='0' && ptr[i]<='9') {
// ok
} else {
state = -1; // END FAIL
}
break;
}
}
if (state == -2) {
r_cons_w32_gotoxy (fd, x, y);
ptr += i;
str = ptr; // + i-2;
continue;
}
bool bright = false;
if (ptr[0]=='0' && ptr[1] == ';' && ptr[2]=='0') {
// \x1b[0;0H
/** clear screen if gotoxy **/
if (vmode) {
// fill row here
__fill_tail (cols, lines);
}
r_cons_w32_gotoxy (fd, 0, 0);
lines = 0;
esc = 0;
ptr += 3;
str = ptr + 1;
continue;
} else if (ptr[0]=='2'&&ptr[1]=='J') {
r_cons_w32_clear ();
esc = 0;
ptr = ptr + 1;
str = ptr + 1;
continue;
} else if (ptr[0]=='0'&&(ptr[1]=='m' || ptr [1]=='K')) {
SetConsoleTextAttribute (hConsole, 1|2|4|8);
fg = 1|2|4|8;
bg = 0;
inv = 0;
esc = 0;
ptr++;
str = ptr + 1;
continue;
// reset color
} else if (ptr[0]=='2'&&ptr[1]=='7'&&ptr[2]=='m') {
SetConsoleTextAttribute (hConsole, bg|fg);
inv = 0;
esc = 0;
ptr = ptr + 2;
str = ptr + 1;
continue;
// invert off
} else if (ptr[0]=='7'&&ptr[1]=='m') {
SetConsoleTextAttribute (hConsole, bg|fg|COMMON_LVB_REVERSE_VIDEO);
inv = COMMON_LVB_REVERSE_VIDEO;
esc = 0;
ptr = ptr + 1;
str = ptr + 1;
continue;
// invert
} else if ((ptr[0] == '3' || (bright = ptr[0] == '9')) && (ptr[2] == 'm' || ptr[2] == ';')) {
switch (ptr[1]) {
case '0': // BLACK
fg = 0;
break;
case '1': // RED
fg = 4;
break;
case '2': // GREEN
fg = 2;
break;
case '3': // YELLOW
fg = 2|4;
break;
case '4': // BLUE
fg = 1;
break;
case '5': // MAGENTA
fg = 1|4;
break;
case '6': // CYAN
fg = 1|2;
break;
case '7': // WHITE
fg = 1|2|4;
break;
case '8': // ???
case '9':
break;
}
if (bright) {
fg |= 8;
}
SetConsoleTextAttribute (hConsole, bg|fg|inv);
esc = 0;
ptr = ptr + 2;
str = ptr + 1;
continue;
} else if ((ptr[0] == '4' && ptr[2] == 'm')
|| (bright = ptr[0] == '1' && ptr[1] == '0' && ptr[3] == 'm')) {
/* background color */
ut8 col = bright ? ptr[2] : ptr[1];
switch (col) {
case '0': // BLACK
bg = 0x0;
break;
case '1': // RED
bg = 0x40;
break;
case '2': // GREEN
bg = 0x20;
break;
case '3': // YELLOW
bg = 0x20|0x40;
break;
case '4': // BLUE
bg = 0x10;
break;
case '5': // MAGENTA
bg = 0x10|0x40;
break;
case '6': // CYAN
bg = 0x10|0x20;
break;
case '7': // WHITE
bg = 0x10|0x20|0x40;
break;
case '8': // ???
case '9':
break;
}
if (bright) {
bg |= 0x80;
}
SetConsoleTextAttribute (hConsole, bg|fg|inv);
esc = 0;
ptr = ptr + (bright ? 3 : 2);
str = ptr + 1;
continue;
}
}
ret++;
}
if (vmode) {
/* fill partial line */
int wlen = cols - linelen - 1;
if (wlen > 0) {
char white[1024];
memset (white, ' ', sizeof (white));
write (fd, white, wlen);
}
/* fill tail */
__fill_tail (cols, lines);
} else {
int ll = (size_t)(ptr - str);
if (ll > 0) {
write (fd, str, ll);
linelen += ll;
}
}
return ret;
}
R_API int r_cons_w32_print(const ut8 *ptr, int len, bool vmode) {
return r_cons_w32_hprint (STD_OUTPUT_HANDLE, ptr, len, vmode);
}
R_API int r_cons_win_vhprintf(DWORD hdl, bool vmode, const char *fmt, va_list ap) {
va_list ap2;
int ret = -1;
FILE *con = hdl == STD_OUTPUT_HANDLE ? stdout : stderr;
if (!strchr (fmt, '%')) {
size_t len = strlen (fmt);
if (I->ansicon) {
return fwrite (fmt, 1, len, con);
}
return r_cons_w32_hprint (hdl, fmt, len, vmode);
}
va_copy (ap2, ap);
int num_chars = vsnprintf (NULL, 0, fmt, ap2);
num_chars++;
char *buf = calloc (1, num_chars);
if (buf) {
(void)vsnprintf (buf, num_chars, fmt, ap);
if (I->ansicon) {
ret = fwrite (buf, 1, num_chars - 1, con);
} else {
ret = r_cons_w32_hprint (hdl, buf, num_chars - 1, vmode);
}
free (buf);
}
va_end (ap2);
return ret;
}
R_API int r_cons_win_printf(bool vmode, const char *fmt, ...) {
va_list ap;
int ret;
r_return_val_if_fail (fmt, -1);
va_start (ap, fmt);
ret = r_cons_win_vhprintf (STD_OUTPUT_HANDLE, vmode, fmt, ap);
va_end (ap);
return ret;
}
R_API int r_cons_win_eprintf(bool vmode, const char *fmt, ...) {
va_list ap;
int ret;
r_return_val_if_fail (fmt, -1);
va_start (ap, fmt);
ret = r_cons_win_vhprintf (STD_ERROR_HANDLE, vmode, fmt, ap);
va_end (ap);
return ret;
}
#endif