errorT
PBook::FindSummary (Position * pos, DString * target)
{
const char * comment = NULL;
errorT err = Find (pos, &comment);
if (err != OK) { return ERROR_NotFound; }
const char * s = epd_findOpcode (comment, "ce");
if (s != NULL) {
int ce = strGetInteger (s);
if (pos->GetToMove() == BLACK) { ce = -ce; }
char temp[20];
sprintf (temp, "%+.2f", ((double) ce) / 100.0);
target->Append (temp);
return OK;
}
static const char * opcodes[] = {
"eco", "nic", "pv", "pm", "bm", "id", NULL
};
for (const char ** opcode = opcodes; *opcode != NULL; opcode++) {
s = epd_findOpcode (comment, *opcode);
if (s != NULL) {
while (*s != 0 && *s != '\n') {
target->AddChar (*s);
s++;
}
return OK;
}
}
return ERROR_NotFound;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// strGetIntegers:
// Extracts the specified number of signed integers in a
// whitespace-separated string to an array.
void
strGetIntegers (const char * str, int * results, uint nResults)
{
for (uint i=0; i < nResults; i++) {
while (*str != 0 && isspace(*str)) { str++; }
results[i] = strGetInteger (str);
while (*str != 0 && !isspace(*str)) { str++; }
}
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// strCompareRound():
// String comparison function for round names. Sorts by the integer
// number at the start of each string first.
int
strCompareRound (const char * sleft, const char * sright)
{
int ileft = strGetInteger (sleft);
int iright = strGetInteger (sright);
int diff = ileft - iright;
if (diff != 0) { return diff; }
// Now check if both strings are equal up to the first dot.
// If so, do an integer comparison after the ".":
bool equalUpToDot = false;
const char * templeft = sleft;
const char * tempright = sright;
while (true) {
char leftc = *templeft;
char rightc = *tempright;
if (leftc == 0 || rightc == 0) { break; }
if (leftc != rightc) { break; }
if (leftc == '.' && rightc == '.') { equalUpToDot = true; break; }
templeft++;
tempright++;
}
if (equalUpToDot) {
templeft++;
tempright++;
// Now templeft and tempright point to the first character
// after each dot.
ileft = strGetInteger (templeft);
iright = strGetInteger(tempright);
diff = ileft - iright;
if (diff != 0) { return diff; }
}
// Give up on integer comparisons and do a regular string comparison:
return strCompare (sleft, sright);
}
