radare2/libr/cons/output.c
2016-06-29 12:33:31 +02:00

342 lines
6.8 KiB
C

/* radare - LGPL - Copyright 2009-2016 - pancake */
#include <r_cons.h>
#define I r_cons_singleton()
#if __WINDOWS__
static void fill_tail (int cols, int lines) {
lines++;
if (lines > 0) {
char white[1024];
memset (white, ' ', sizeof (white));
cols = R_MIN (cols, sizeof (white));
lines--;
white[cols]='\n';
while (lines-- > 0) {
write (1, white, cols);
}
}
}
static void w32_clear() {
static HANDLE hStdout = NULL;
static CONSOLE_SCREEN_BUFFER_INFO csbi;
const COORD startCoords = { 0, 0 };
DWORD dummy;
if (I->is_wine == 1) {
write (1, "\x1b[0;0H", 6);
write (1, "\x1b[0m", 4);
write (1, "\x1b[2J", 4);
}
if (!hStdout) {
hStdout = GetStdHandle (STD_OUTPUT_HANDLE);
GetConsoleScreenBufferInfo (hStdout, &csbi);
//GetConsoleWindowInfo (hStdout, &csbi);
}
FillConsoleOutputCharacter (hStdout, ' ',
csbi.dwSize.X * csbi.dwSize.Y, startCoords, &dummy);
}
void w32_gotoxy(int x, int y) {
static HANDLE hStdout = NULL;
COORD coord;
coord.X = x;
coord.Y = y;
if (I->is_wine == 1) {
write (1, "\x1b[0;0H", 6);
}
if (!hStdout) {
hStdout = GetStdHandle (STD_OUTPUT_HANDLE);
}
SetConsoleCursorPosition (hStdout, coord);
}
static int wrapline (const char *s, int len) {
int l, n = 0;
for (; n < len; ) {
l = r_str_len_utf8char (s+n, (len-n));
n += l;
}
return n - (n > len)? l: 1;
}
R_API int r_cons_w32_print(const ut8 *ptr, int len, int vmode) {
HANDLE hConsole = GetStdHandle (STD_OUTPUT_HANDLE);
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 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) {
int ll = (size_t)(ptr - str);
lines--;
if (vmode && lines<0) {
break;
}
if (ll < 1) {
continue;
}
if (vmode) {
// TODO: Fix utf8 chop
/* only chop columns if necessary */
if (ll != linelen && ll+linelen >= cols) {
// chop line if too long
ll = (cols-linelen)-1;
if (ll < 1) {
continue;
}
}
}
write (1, str, 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 (1, white, wlen-1);
}
}
write (1, "\n\r", 2);
linelen = 0;
continue;
}
if (ptr[0] == 0x1b) {
int ll = (size_t)(ptr-str);
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 (1, white, wlen);
}
}
write (1, "\n\r", 2);
//write (1, "\r\n", 2);
//lines--;
linelen = 0;
}
if (vmode) {
if (linelen+ll>=cols) {
// chop line if too long
ll = (cols-linelen)-1;
// fix utf8 len here
ll = wrapline ((const char*)str, cols-linelen-1);
}
}
if (ll>0) {
write (1, str, 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) {
w32_gotoxy (x, y);
ptr += i;
str = ptr + 1;// + i-2;
continue;
}
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);
}
w32_gotoxy (0, 0);
lines = 0;
esc = 0;
ptr += 3;
str = ptr + 1;
continue;
} else if (ptr[0]=='2'&&ptr[1]=='J') {
//fill_tail(cols, lines);
w32_clear (); //r_cons_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|128);
inv = 128;
esc = 0;
ptr = ptr + 1;
str = ptr + 1;
continue;
// invert
} else if (ptr[0]=='3' && ptr[2]=='m') {
// http://www.betarun.com/Pages/ConsoleColor/
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': // TURQOISE
fg = 1|2|8;
break;
case '7': // WHITE
fg = 1|2|4;
break;
case '8': // GRAY
fg = 8;
break;
case '9': // ???
break;
}
SetConsoleTextAttribute (hConsole, bg|fg|inv);
esc = 0;
ptr = ptr + 2;
str = ptr + 1;
continue;
} else if (ptr[0]=='4' && ptr[2]=='m') {
/* background color */
switch (ptr[1]) {
case '0': // BLACK
bg = 0;
break;
case '1': // RED
bg = 40;
break;
case '2': // GREEN
bg = 20;
break;
case '3': // YELLOW
bg = 20|40;
break;
case '4': // BLUE
bg = 10;
break;
case '5': // MAGENTA
bg = 10|40;
break;
case '6': // TURQOISE
bg = 10|20|80;
break;
case '7': // WHITE
bg = 10|20|40;
break;
case '8': // GRAY
bg = 80;
break;
case '9': // ???
break;
}
esc = 0;
ptr = ptr + 2;
str = ptr + 1;
continue;
}
}
ret++;
}
if (vmode) {
/* fill partial line */
int wlen = cols-linelen-1;
char white[1024];
//wlen = 5;
if (wlen > 0) {
memset (white, ' ', sizeof (white));
write (1, white, wlen);
}
/* fill tail */
fill_tail (cols, lines);
} else {
int ll = (size_t)(ptr-str);
if (ll > 0) {
write (1, str, ll);
linelen += ll;
}
}
return ret;
}
#endif