static enum ihex_record parse_ihex(const char *line, uint32_t *offset, uint32_t *length, uint8_t **data) {
enum ihex_record type;
if(sscanf(line, ":%02X%04X%02X", length, offset, &type) != 3) {
log("Got invalid IHEX record \"%s\"", line);
return IHEX_INVALID;
}
if(type == IHEX_DATA) {
const char *p = line + 9;
if(strlen(p) - 2 < *length * 2) {
log("Record too short");
return IHEX_INVALID;
}
if(data) {
*data = malloc(*length);
for(int i=0; i < *length; i++) {
(*data)[i] = HEX2DEC(p[2*i]) << 4 |
HEX2DEC(p[2*i+1]);
}
}
}
return type;
}
/** decodes a URI encoded string into a normal string. */
static std::string uriDecode(const std::string & sSrc)
{
// Note from RFC1630: "Sequences which start with a percent
// sign but are not followed by two hexadecimal characters
// (0-9, A-F) are reserved for future extension"
const unsigned char * pSrc = (const unsigned char *)sSrc.c_str();
const int SRC_LEN = sSrc.length();
const unsigned char * const SRC_END = pSrc + SRC_LEN;
// last decodable '%'
const unsigned char * const SRC_LAST_DEC = SRC_END - 2;
char * const pStart = new char[SRC_LEN];
char * pEnd = pStart;
while (pSrc < SRC_LAST_DEC)
{
if (*pSrc == '%') // replace %2A with corresponding ASCII character
{
char dec1, dec2;
unsigned char c1=*(pSrc+1);
unsigned char c2=*(pSrc+2);
if (-1 != (dec1 = HEX2DEC(c1))
&& -1 != (dec2 = HEX2DEC(c2)))
{
*pEnd++ = (dec1 << 4) + dec2;
pSrc += 3;
continue;
}
}
else if (*pSrc == '+') // replace '+' with space
{
*pEnd++ = ' '; pSrc++;
continue;
}
*pEnd++ = *pSrc++;
}
// the last 2- chars
while (pSrc < SRC_END) *pEnd++ = *pSrc++;
std::string sResult(pStart, pEnd);
delete [] pStart;
return sResult;
}
