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#include <iostream>
int kolory[2][8] = { { 0, 1, 2, 1, 4, 1, 2, 7 }, { 0, 5, 6, 6, 5, 5, 6, 3 } };
#define def_color 0x07
#define ulcolor 3
#define halfcolor 4
#define NPAR 16
enum { ESnormal, ESesc, ESsquare, ESgetpars } state;
int color, intensity, underline, s_color, s_intensity, s_underline,
npar, par[NPAR];
void update_attr()
{
std::cout << 30 + (underline ? ulcolor : intensity == 0 ? halfcolor :
kolory[intensity == 2][color & 0x0F])
<< ';' << 40 + kolory[0][color >> 4];
}
void default_attr()
{
color = def_color;
intensity = 1;
underline = 0;
}
void reset_terminal()
{
state = ESnormal;
default_attr();
}
void save_cur()
{
s_color = color;
s_intensity = intensity;
s_underline = underline;
}
void restore_cur()
{
color = s_color;
intensity = s_intensity;
underline = s_underline;
}
void csi_m()
{
for (int i = 0; i <= npar; i++)
{
switch (par[i])
{
case 0: /* all attributes off */
std::cout << "0;";
default_attr();
update_attr();
break;
case 1:
intensity = 2;
update_attr();
break;
case 2:
intensity = 0;
update_attr();
break;
case 4:
underline = 1;
update_attr();
break;
case 21:
case 22:
intensity = 1;
update_attr();
break;
case 24:
underline = 0;
update_attr();
break;
case 38:
color = (def_color & 0x0F) | (color & 0xF0);
underline = 1;
update_attr();
break;
case 39:
color = (def_color & 0x0F) | (color & 0xF0);
underline = 0;
update_attr();
break;
case 49:
color = (def_color & 0xF0) | (color & 0x0F);
update_attr();
break;
default:
if (par[i] >= 30 && par[i] <= 37)
{
color = (par[i] - 30) | color & 0xF0;
update_attr();
}
else if (par[i] >= 40 && par[i] <= 47)
{
color = ((par[i] - 40) << 4) | color & 0x0F;
update_attr();
}
else
std::cout << par[i];
}
if (i != npar) std::cout << ';';
}
npar = -1;
}
void con_write (unsigned char c)
{
switch (c)
{
case 24:
case 26:
state = ESnormal;
break;
case 27:
state = ESesc;
break;
case 128+27:
state = ESsquare;
break;
}
if (c >= 0x20 && c <= 0x7E)
{
switch (state)
{
case ESnormal:
break;
case ESesc:
state = ESnormal;
switch (c)
{
case '[':
state = ESsquare;
break;
case 'c':
reset_terminal();
break;
case '7':
save_cur();
break;
case '8':
restore_cur();
break;
}
break;
case ESsquare:
if (c != ';' && (c < '0' || c > '9'))
{
state = ESnormal;
break;
}
for (npar = 0; npar < NPAR; npar++) par[npar] = 0;
npar = -1;
state = ESgetpars;
case ESgetpars:
if (c == ';')
{
if (npar == -1) npar = 0;
if (npar < NPAR - 1) npar++;
return;
}
else if (c >= '0' && c <= '9')
{
if (npar == -1) npar = 0;
par[npar] *= 10;
par[npar] += c - '0';
return;
}
else
{
state = ESnormal;
switch(c)
{
case 'm':
csi_m();
break;
case 's':
save_cur();
break;
case 'u':
restore_cur();
break;
}
for (int i = 0; i <= npar; i++)
{
std::cout << par[i];
if (i < npar) std::cout << ';';
}
}
}
}
std::cout << c;
}
int
main(void)
{
reset_terminal();
std::cout << "\33]P0000000\33]P1AA0000\33]P200AA00\33]P3FFFFFF"
"\33]P40000AA\33]P5FF55FF\33]P655FFFF\33]P7AAAAAA"
"\33]P8000000\33]P9AA0000\33]PA00AA00\33]PBFFFFFF"
"\33]PC0000AA\33]PDFF55FF\33]PE55FFFF\33]PFAAAAAA"
"\33[0;";
update_attr(); std::cout << "m";
int c;
while ((c = std::cin.get()) != -1) con_write (c);
std::cout << "\33]R\33[0m";
return 0;
}
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