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#include <iostream>
#include "iconvlite.h"
using namespace std;
static void cp2utf1(char *out, const char *in) {
static const int table[128] = {
0x82D0,0x83D0,0x9A80E2,0x93D1,0x9E80E2,0xA680E2,0xA080E2,0xA180E2,
0xAC82E2,0xB080E2,0x89D0,0xB980E2,0x8AD0,0x8CD0,0x8BD0,0x8FD0,
0x92D1,0x9880E2,0x9980E2,0x9C80E2,0x9D80E2,0xA280E2,0x9380E2,0x9480E2,
0,0xA284E2,0x99D1,0xBA80E2,0x9AD1,0x9CD1,0x9BD1,0x9FD1,
0xA0C2,0x8ED0,0x9ED1,0x88D0,0xA4C2,0x90D2,0xA6C2,0xA7C2,
0x81D0,0xA9C2,0x84D0,0xABC2,0xACC2,0xADC2,0xAEC2,0x87D0,
0xB0C2,0xB1C2,0x86D0,0x96D1,0x91D2,0xB5C2,0xB6C2,0xB7C2,
0x91D1,0x9684E2,0x94D1,0xBBC2,0x98D1,0x85D0,0x95D1,0x97D1,
0x90D0,0x91D0,0x92D0,0x93D0,0x94D0,0x95D0,0x96D0,0x97D0,
0x98D0,0x99D0,0x9AD0,0x9BD0,0x9CD0,0x9DD0,0x9ED0,0x9FD0,
0xA0D0,0xA1D0,0xA2D0,0xA3D0,0xA4D0,0xA5D0,0xA6D0,0xA7D0,
0xA8D0,0xA9D0,0xAAD0,0xABD0,0xACD0,0xADD0,0xAED0,0xAFD0,
0xB0D0,0xB1D0,0xB2D0,0xB3D0,0xB4D0,0xB5D0,0xB6D0,0xB7D0,
0xB8D0,0xB9D0,0xBAD0,0xBBD0,0xBCD0,0xBDD0,0xBED0,0xBFD0,
0x80D1,0x81D1,0x82D1,0x83D1,0x84D1,0x85D1,0x86D1,0x87D1,
0x88D1,0x89D1,0x8AD1,0x8BD1,0x8CD1,0x8DD1,0x8ED1,0x8FD1
};
while (*in)
if (*in & 0x80) {
int v = table[(int)(0x7f & *in++)];
if (!v)
continue;
*out++ = (char)v;
*out++ = (char)(v >> 8);
if (v >>= 16)
*out++ = (char)v;
}
else
*out++ = *in++;
*out = 0;
}
string cp2utf(string s) {
int c,i;
int len = s.size();
string ns;
for(i=0; i<len; i++) {
c=s[i];
char buf[4], in[2] = {0, 0};
*in = c;
cp2utf1(buf, in);
ns+=string(buf);
}
return ns;
}
string utf2cp(string s) {
size_t len = s.size();
const char *buff = s.c_str();
char *output = new char[len];
convert_utf8_to_windows1251(buff, output, len);
string ns(output);
return ns;
}
int convert_utf8_to_windows1251(const char* utf8, char* windows1251, size_t n)
{
int i = 0;
int j = 0;
for(; i < (int)n && utf8[i] != 0; ++i) {
char prefix = utf8[i];
char suffix = utf8[i+1];
if ((prefix & 0x80) == 0) {
windows1251[j] = (char)prefix;
++j;
} else if ((~prefix) & 0x20) {
int first5bit = prefix & 0x1F;
first5bit <<= 6;
int sec6bit = suffix & 0x3F;
int unicode_char = first5bit + sec6bit;
if ( unicode_char >= 0x410 && unicode_char <= 0x44F ) {
windows1251[j] = (char)(unicode_char - 0x350);
} else if (unicode_char >= 0x80 && unicode_char <= 0xFF) {
windows1251[j] = (char)(unicode_char);
} else if (unicode_char >= 0x402 && unicode_char <= 0x403) {
windows1251[j] = (char)(unicode_char - 0x382);
} else {
int count = sizeof(g_letters) / sizeof(Letter);
for (int k = 0; k < count; ++k) {
if (unicode_char == g_letters[k].unicode) {
windows1251[j] = g_letters[k].win1251;
goto NEXT_LETTER;
}
}
// can't convert this char
return 0;
}
NEXT_LETTER:
++i;
++j;
} else {
// can't convert this chars
return 0;
}
}
windows1251[j] = 0;
return 1;
}
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