static int HextoDec(char *hex, int l)
{
if (*hex==0)
return(l);
return HextoDec(hex+1, l*16+xtod(*hex)); // hex+1?
}
uint32 hextoDec(char *hex, uint32& depth)
{
if (hex[0]=='\0')
return 0;
uint32 res = hextoDec(hex+1, depth) + doHexToDec(xtod(hex[0]), depth);
depth++;
return res;
}
long
atoi(register char *p)
{
register long n;
register int c, neg = 0;
if (p == NULL)
return 0;
if (!isdigit(c = *p)) {
while (isspace(c))
c = *++p;
switch (c) {
case '-':
neg++;
case '+': /* fall-through */
c = *++p;
}
if (!isdigit(c))
return (0);
}
if (c == '0' && *(p + 1) == 'x') {
p += 2;
c = *p;
n = xtod(c);
while ((c = *++p) && isxdigit(c)) {
n *= 16; /* two steps to avoid unnecessary overflow */
n += xtod(c); /* accum neg to avoid surprises at MAX */
}
} else {
n = '0' - c;
while ((c = *++p) && isdigit(c)) {
n *= 10; /* two steps to avoid unnecessary overflow */
n += '0' - c; /* accum neg to avoid surprises at MAX */
}
}
return (neg ? n : -n);
}
int little_endian_convert( int xnum[], int n )
{
int i; // counter
int *d;
int d_sum = 0;
d = calloc(n, sizeof(int));
for (i = 0; i < n; i++)
d[i] = xtod(xnum[i]);
for (i = (n - 1); i >= 0; i --)
d_sum += d[i] * pow(256, (i));
free(d);
return d_sum;
}//int little_endian_convert()
/*
* unvis - decode characters previously encoded by vis
*/
int
unvis(char *cp, int c, int *astate, int flag)
{
unsigned char uc = (unsigned char)c;
unsigned char st, ia, is, lc;
/*
* Bottom 8 bits of astate hold the state machine state.
* Top 8 bits hold the current character in the http 1866 nv string decoding
*/
#define GS(a) ((a) & 0xff)
#define SS(a, b) (((uint32_t)(a) << 24) | (b))
#define GI(a) ((uint32_t)(a) >> 24)
_DIAGASSERT(cp != NULL);
_DIAGASSERT(astate != NULL);
st = GS(*astate);
if (flag & UNVIS_END) {
switch (st) {
case S_OCTAL2:
case S_OCTAL3:
case S_HEX2:
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case S_GROUND:
return UNVIS_NOCHAR;
default:
return UNVIS_SYNBAD;
}
}
switch (st) {
case S_GROUND:
*cp = 0;
if ((flag & VIS_NOESCAPE) == 0 && c == '\\') {
*astate = SS(0, S_START);
return UNVIS_NOCHAR;
}
if ((flag & VIS_HTTP1808) && c == '%') {
*astate = SS(0, S_HEX1);
return UNVIS_NOCHAR;
}
if ((flag & VIS_HTTP1866) && c == '&') {
*astate = SS(0, S_AMP);
return UNVIS_NOCHAR;
}
if ((flag & VIS_MIMESTYLE) && c == '=') {
*astate = SS(0, S_MIME1);
return UNVIS_NOCHAR;
}
*cp = c;
return UNVIS_VALID;
case S_START:
switch(c) {
case '\\':
*cp = c;
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
*cp = (c - '0');
*astate = SS(0, S_OCTAL2);
return UNVIS_NOCHAR;
case 'M':
*cp = (char)0200;
*astate = SS(0, S_META);
return UNVIS_NOCHAR;
case '^':
*astate = SS(0, S_CTRL);
return UNVIS_NOCHAR;
case 'n':
*cp = '\n';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'r':
*cp = '\r';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'b':
*cp = '\b';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'a':
*cp = '\007';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'v':
*cp = '\v';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 't':
*cp = '\t';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'f':
*cp = '\f';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 's':
*cp = ' ';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'E':
*cp = '\033';
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case 'x':
*astate = SS(0, S_HEX);
return UNVIS_NOCHAR;
case '\n':
/*
* hidden newline
*/
*astate = SS(0, S_GROUND);
return UNVIS_NOCHAR;
case '$':
/*
* hidden marker
*/
*astate = SS(0, S_GROUND);
return UNVIS_NOCHAR;
}
goto bad;
case S_META:
if (c == '-')
*astate = SS(0, S_META1);
else if (c == '^')
*astate = SS(0, S_CTRL);
else
goto bad;
return UNVIS_NOCHAR;
case S_META1:
*astate = SS(0, S_GROUND);
*cp |= c;
return UNVIS_VALID;
case S_CTRL:
if (c == '?')
*cp |= 0177;
else
*cp |= c & 037;
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case S_OCTAL2: /* second possible octal digit */
if (isoctal(uc)) {
/*
* yes - and maybe a third
*/
*cp = (*cp << 3) + (c - '0');
*astate = SS(0, S_OCTAL3);
return UNVIS_NOCHAR;
}
/*
* no - done with current sequence, push back passed char
*/
*astate = SS(0, S_GROUND);
return UNVIS_VALIDPUSH;
case S_OCTAL3: /* third possible octal digit */
*astate = SS(0, S_GROUND);
if (isoctal(uc)) {
*cp = (*cp << 3) + (c - '0');
return UNVIS_VALID;
}
/*
* we were done, push back passed char
*/
return UNVIS_VALIDPUSH;
case S_HEX:
if (!isxdigit(uc))
goto bad;
/*FALLTHROUGH*/
case S_HEX1:
if (isxdigit(uc)) {
*cp = xtod(uc);
*astate = SS(0, S_HEX2);
return UNVIS_NOCHAR;
}
/*
* no - done with current sequence, push back passed char
*/
*astate = SS(0, S_GROUND);
return UNVIS_VALIDPUSH;
case S_HEX2:
*astate = S_GROUND;
if (isxdigit(uc)) {
*cp = xtod(uc) | (*cp << 4);
return UNVIS_VALID;
}
return UNVIS_VALIDPUSH;
case S_MIME1:
if (uc == '\n' || uc == '\r') {
*astate = SS(0, S_EATCRNL);
return UNVIS_NOCHAR;
}
if (isxdigit(uc) && (isdigit(uc) || isupper(uc))) {
*cp = XTOD(uc);
*astate = SS(0, S_MIME2);
return UNVIS_NOCHAR;
}
goto bad;
case S_MIME2:
if (isxdigit(uc) && (isdigit(uc) || isupper(uc))) {
*astate = SS(0, S_GROUND);
*cp = XTOD(uc) | (*cp << 4);
return UNVIS_VALID;
}
goto bad;
case S_EATCRNL:
switch (uc) {
case '\r':
case '\n':
return UNVIS_NOCHAR;
case '=':
*astate = SS(0, S_MIME1);
return UNVIS_NOCHAR;
default:
*cp = uc;
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
}
case S_AMP:
*cp = 0;
if (uc == '#') {
*astate = SS(0, S_NUMBER);
return UNVIS_NOCHAR;
}
*astate = SS(0, S_STRING);
/*FALLTHROUGH*/
case S_STRING:
ia = *cp; /* index in the array */
is = GI(*astate); /* index in the string */
lc = is == 0 ? 0 : nv[ia].name[is - 1]; /* last character */
if (uc == ';')
uc = '\0';
for (; ia < __arraycount(nv); ia++) {
if (is != 0 && nv[ia].name[is - 1] != lc)
goto bad;
if (nv[ia].name[is] == uc)
break;
}
if (ia == __arraycount(nv))
goto bad;
if (uc != 0) {
*cp = ia;
*astate = SS(is + 1, S_STRING);
return UNVIS_NOCHAR;
}
*cp = nv[ia].value;
*astate = SS(0, S_GROUND);
return UNVIS_VALID;
case S_NUMBER:
if (uc == ';')
return UNVIS_VALID;
if (!isdigit(uc))
goto bad;
*cp += (*cp * 10) + uc - '0';
return UNVIS_NOCHAR;
default:
bad:
/*
* decoder in unknown state - (probably uninitialized)
*/
*astate = SS(0, S_GROUND);
return UNVIS_SYNBAD;
}
}
/*
* unvis - decode characters previously encoded by vis
*/
int
unvis(char *cp, int c, int *astate, int flag)
{
unsigned char uc = (unsigned char)c;
if (flag & UNVIS_END) {
if (*astate == S_OCTAL2 || *astate == S_OCTAL3
|| *astate == S_HEX2) {
*astate = S_GROUND;
return (UNVIS_VALID);
}
return (*astate == S_GROUND ? UNVIS_NOCHAR : UNVIS_SYNBAD);
}
switch (*astate) {
case S_GROUND:
*cp = 0;
if (c == '\\') {
*astate = S_START;
return (0);
}
if ((flag & VIS_HTTPSTYLE) && c == '%') {
*astate = S_HEX1;
return (0);
}
*cp = c;
return (UNVIS_VALID);
case S_START:
switch(c) {
case '\\':
*cp = c;
*astate = S_GROUND;
return (UNVIS_VALID);
case '0': case '1': case '2': case '3':
case '4': case '5': case '6': case '7':
*cp = (c - '0');
*astate = S_OCTAL2;
return (0);
case 'M':
*cp = (char)0200;
*astate = S_META;
return (0);
case '^':
*astate = S_CTRL;
return (0);
case 'n':
*cp = '\n';
*astate = S_GROUND;
return (UNVIS_VALID);
case 'r':
*cp = '\r';
*astate = S_GROUND;
return (UNVIS_VALID);
case 'b':
*cp = '\b';
*astate = S_GROUND;
return (UNVIS_VALID);
case 'a':
*cp = '\007';
*astate = S_GROUND;
return (UNVIS_VALID);
case 'v':
*cp = '\v';
*astate = S_GROUND;
return (UNVIS_VALID);
case 't':
*cp = '\t';
*astate = S_GROUND;
return (UNVIS_VALID);
case 'f':
*cp = '\f';
*astate = S_GROUND;
return (UNVIS_VALID);
case 's':
*cp = ' ';
*astate = S_GROUND;
return (UNVIS_VALID);
case 'E':
*cp = '\033';
*astate = S_GROUND;
return (UNVIS_VALID);
case '\n':
/*
* hidden newline
*/
*astate = S_GROUND;
return (UNVIS_NOCHAR);
case '$':
/*
* hidden marker
*/
*astate = S_GROUND;
return (UNVIS_NOCHAR);
}
*astate = S_GROUND;
return (UNVIS_SYNBAD);
case S_META:
if (c == '-')
*astate = S_META1;
else if (c == '^')
*astate = S_CTRL;
else {
*astate = S_GROUND;
return (UNVIS_SYNBAD);
}
return (0);
case S_META1:
*astate = S_GROUND;
*cp |= c;
return (UNVIS_VALID);
case S_CTRL:
if (c == '?')
*cp |= 0177;
else
*cp |= c & 037;
*astate = S_GROUND;
return (UNVIS_VALID);
case S_OCTAL2: /* second possible octal digit */
if (isoctal(uc)) {
/*
* yes - and maybe a third
*/
*cp = (*cp << 3) + (c - '0');
*astate = S_OCTAL3;
return (0);
}
/*
* no - done with current sequence, push back passed char
*/
*astate = S_GROUND;
return (UNVIS_VALIDPUSH);
case S_OCTAL3: /* third possible octal digit */
*astate = S_GROUND;
if (isoctal(uc)) {
*cp = (*cp << 3) + (c - '0');
return (UNVIS_VALID);
}
/*
* we were done, push back passed char
*/
return (UNVIS_VALIDPUSH);
case S_HEX1:
if (isxdigit(uc)) {
*cp = xtod(uc);
*astate = S_HEX2;
return (0);
}
/*
* no - done with current sequence, push back passed char
*/
*astate = S_GROUND;
return (UNVIS_VALIDPUSH);
case S_HEX2:
*astate = S_GROUND;
if (isxdigit(uc)) {
*cp = xtod(uc) | (*cp << 4);
return (UNVIS_VALID);
}
return (UNVIS_VALIDPUSH);
default:
/*
* decoder in unknown state - (probably uninitialized)
*/
*astate = S_GROUND;
return (UNVIS_SYNBAD);
}
}
f64 CFileReader::readDouble()
{
return xtod(readNext(m_buffer_2, BUF_2_SIZE));
}
int hextodec(char *hex) {
if (*hex == 0)
return 0;
return hextodec(hex - 1) * 16 + xtod(*hex);
}
unsigned long HextoDec(char *hex)
{
if (*hex==0)
return 0;
return HextoDec(hex-1)*16 + xtod(*hex);
}
