static const char* markup_unescape(const char* in, ACL_VSTRING* out)
{
unsigned int n;
char temp[2], buf[7];
while (*in != 0) {
if (*in == '&' && *(in + 1) == '#'
&& (sscanf(in, "&#%u%1[;]", &n, temp) == 2
|| sscanf(in, "&#x%x%1[;]", &n, temp) == 2)
&& n != 0)
{
int buflen = uni2utf8((unsigned int) n,
buf, sizeof(buf));
buf[buflen] = '\0';
acl_vstring_strcat(out, buf);
n = *(in + 2) == 'x' ? 3 : 2;
while (isxdigit(in[n]))
n++;
if(in[n] == ';')
n++;
in += n;
} else {
ACL_VSTRING_ADDCH(out, (unsigned char) (*in));
in++;
}
}
return (in);
}
static const char* markup_unescape2(const char *in, char **out, size_t *size)
{
unsigned int n;
char temp[2], buf[7];
while (*in != 0) {
if (*in == '&' && *(in + 1) == '#'
&& (sscanf(in, "&#%u%1[;]", &n, temp) == 2
|| sscanf(in, "&#x%x%1[;]", &n, temp) == 2)
&& n != 0)
{
size_t buflen = uni2utf8(n, buf, sizeof(buf));
if (copy_buf(out, size, buf, buflen) > 0)
break;
n = *(in + 2) == 'x' ? 3 : 2;
while (isxdigit(in[n]))
n++;
if(in[n] == ';')
n++;
in += n;
} else {
if (*size <= 0)
break;
**out = *in++;
*out += 1;
*size -= 1;
}
}
return in;
}
EXP_OPTION void unicode2ascii(const char* uni, char* dest)
{
int len, i, j, k;
long c;
RETURN_VOID_IF_NULL(uni);
RETURN_VOID_IF_NULL(dest);
len = strlen(uni);
memset(dest, 0, len+1);
for(i = j = 0; i < len; i++) {
if(uni[i] == '\\' && uni[i+1] == 'x') {
if(uni[i+2] == '0' && uni[i+3] == '0') {
if(uni[i+4] >= 'A' && uni[i+4] <= 'Z') { // simple char in form \x00A
dest[j] = (unsigned char)uni[i+4];
i += 4;
j++;
continue;
} else {
i += 3;
continue;
}
}
if(uni[i+2] == '0' && uni[i+3] != '0') { // more complex char like \x0}1
c = 0;
// first pos
k = uni[i+2];
k = (((k >= '0') && (k <= '9')) ? k - '0' : k);
k *= 4096;
c += k;
// second pos
k = uni[i+3];
k = (((k >= '0') && (k <= '9')) ? k - '0' : k);
k *= 256;
c += k;
// third pos
k = uni[i+4];
k = (((k >= '0') && (k <= '9')) ? k - '0' : k);
c += k;
if(c >= 0 && c <= 9) c+= '0';
// get corresponding cp1252 char
if(c > 256) {
#ifdef WIN32
dest[j] = (unsigned char)uni2char(c);
j++;
#else
dest[j] = uni2utf8(c, 0);
j++;
dest[j] = uni2utf8(c, 1);
j++;
#endif
} else {
dest[j] = (unsigned char)c;
j++;
}
i += 4;
continue;
}
if(uni[i+2] != '0' && uni[i+3] != '0') { // hex char code like \xC4
c = hex2char(uni[i+2]) * 16 + hex2char(uni[i+3]);
if(c > 256) {
#ifdef WIN32
dest[j] = (unsigned char)uni2char(c);
j++;
#else
dest[j] = uni2utf8(c, 0);
j++;
dest[j] = uni2utf8(c, 1);
j++;
#endif
} else {
dest[j] = (unsigned char)c;
j++;
}
i += 3;
continue;
}
} else {
dest[j] = uni[i];
j++;
}
}
}
