void PylosMove::operator=(const std::string &src)
{
char wd1[11], wd2[11], wd3[11], bk1, bk2, bk3, bk4, extra;
std::pair<short, short> p1, p2, p3, p4;
int res;
short type;
LocVector temp;
sscanf(src.c_str(), "%10s", wd1);
if (!strcmp(wd1, "Play")) {
type = kReserve;
res = sscanf(src.c_str(), " Play at [ %hd , %hd %c %6s [ %hd , %hd %c %3s"
" [ %hd , %hd %c %c", &p1.first, &p1.second, &bk1, wd1, &p2.first,
&p2.second, &bk2, wd2, &p3.first, &p3.second, &bk3, &extra);
if (res == 3 && bk1 == ']' ||
res == 7 && bk1 == ']' && bk2 == ']' && !strcmp(wd1, "taking") ||
res == 11 && bk1 == ']' && bk2 == ']' && bk3 == ']' &&
!strcmp(wd1, "taking") && !strcmp(wd2, "and")) {
temp.push_back(p1);
if (res >= 7)
temp.push_back(p2);
if (res == 11)
temp.push_back(p3);
} else {
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
}
} else if (!strcmp(wd1, "Promote")) {
type = kPromote;
res = sscanf(src.c_str(), " Promote from [ %hd , %hd %c %2s [ %hd , %hd "
"%c %6s [ %hd , %hd %c %3s [ %hd , %hd %c %c", &p1.first, &p1.second,
&bk1, wd1, &p2.first, &p2.second, &bk2, wd2, &p3.first, &p3.second,
&bk3, wd3, &p4.first, &p4.second, &bk4, &extra);
if (res == 7 && bk1 == ']' && bk2 == ']' && !strcmp(wd1, "to") ||
res == 11 && bk1 == ']' && bk2 == ']' && bk3 == ']' &&
!strcmp(wd1, "to") && !strcmp(wd2, "taking") ||
res == 15 && bk1 == ']' && bk2 == ']' && bk3 == ']' && bk4 == ']' &&
!strcmp(wd1, "to") && !strcmp(wd2, "taking") &&
!strcmp(wd3, "and")) {
temp.push_back(p2);
temp.push_back(p1);
if (res >= 11)
temp.push_back(p3);
if (res == 15)
temp.push_back(p4);
} else {
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
}
} else {
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
}
for (LocVector::const_iterator iter = temp.begin(); iter != temp.end();
iter++) {
if (!InRange<short>(0, iter->first, PylosBoard::kDim) ||
!InRange<short>(0, iter->second, PylosBoard::kDim)) {
throw BaseException(FString("Out of bounds Pylos move: %s",
src.c_str()));
}
}
mType = type;
mLocs = temp;
}
// [Staley] Refine the parsing and string-handling in PylosMove::operator= to
// [Staley] deal with all error conditions. Throw a BaseException with an
// [Staley] appropriate error message string in it when an error is found.
// [Staley] (Recall the FString class) Add a try-catch block to your BoardTest
// [Staley] main to catch and print any BaseExceptions that result from your
// [Staley] commands. Test PylosMove::operator= thoroughly by giving all
// [Staley] sorts of bad PylosMoves to the enterMove command. For this step,
// [Staley] you'll need information on sscanf, which you can obtain from the
// [Staley] online documentation or from class discussion.
void PylosMove::operator=(const string &src) {
char wd1[11]={'\0'}, wd2[11]={'\0'}, wd3[11]={'\0'}, brack1, brack2, brack3;
pair<short, short> p1, p2, p3, p4;
int res;
char type;
LocVector temp;
sscanf(src.c_str(), "%10s", wd1);
if (!strcmp(wd1, "Play")) {
type = kReserve;
// Clear out wd1, now that we know what the mType of this move is.
for (int i = 0; i < 11; ++i) wd1[i] = '\0';
res = sscanf(src.c_str(), " Play at [ %hd , %hd %c %6s [ %hd , %hd %c %3s "
"[ %hd , %hd %c %1s", &p1.first, &p1.second, &brack1, wd1, &p2.first,
&p2.second, &brack2, wd2, &p3.first, &p3.second, &brack3, wd3);
// [Staley] Test result of scanf for good format. Had a total of 7 terms
// [Staley] in this test.
// Verify that the words wd1, wd2, etc. are what the spec expects
// them to be. The 'wd' immediately after the last expected token is
// the one that needs to be == '\0'.
if (res == kPlayOne && brack1 == ']' && wd1[0] == '\0') {
// [Staley] Fill in temp
temp.push_back(p1);
} else if (res == kPlayTwo && brack1 == ']' && brack2 == ']'
&& string(wd1).compare("taking") == 0 && wd2[0] == '\0') {
temp.push_back(p1);
temp.push_back(p2);
} else if (res == kPlayThree &&
brack1 == ']' && brack2 == ']' && brack3 == ']'
&& string(wd1).compare("taking") == 0
&& string(wd2).compare("and") == 0 && wd3[0] == '\0') {
temp.push_back(p1);
temp.push_back(p2);
temp.push_back(p3);
} else if (res == EOF)
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
else
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
}
else if (!strcmp(wd1, "Promote")) {
// [Staley] Similar logic for Promote
type = kPromote;
// Clear out wd1, now that we know what the mType of this move is.
for (int i = 0; i < 11; ++i) wd1[i] = '\0';
res = sscanf(src.c_str(), " Promote from [ %hd , %hd ] to [ %hd , %hd %c "
"%6s [ %hd , %hd %c %3s [ %hd , %hd %c %1s", &p2.first, &p2.second,
&p1.first, &p1.second, &brack1, wd1, &p3.first, &p3.second, &brack2,
wd2, &p4.first, &p4.second, &brack3, wd3);
// [Staley] Test result of scanf for good format.
//
// Verify that the words wd1, wd2, etc. are what the spec expects
// them to be. The 'wd' immediately after the last expected token is
// the one that needs to be == '\0'.
if (res == kPromTwo && brack1 == ']' && wd1[0] == '\0') {
temp.push_back(p1);
temp.push_back(p2);
} else if (res == kPromThree && brack1 == ']' && brack2 == ']'
&& string(wd1).compare("taking") == 0 && wd2[0] == '\0') {
temp.push_back(p1);
temp.push_back(p2);
temp.push_back(p3);
} else if (res == kPromFour && brack1 == ']' && brack2 == ']'
&& brack3 == ']' && string(wd1).compare("taking") == 0
&& string(wd2).compare("and") == 0 && wd3[0] == '\0') {
temp.push_back(p1);
temp.push_back(p2);
temp.push_back(p3);
temp.push_back(p4);
} else if (res == EOF)
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
else
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
}
else
throw BaseException(FString("Bad Pylos move: %s", src.c_str()));
// [Staley] About 5 lines of wrapup logic and final error checks needed here.
for (LocVector::const_iterator iter = temp.begin(); iter != temp.end();
iter++) {
if (iter->first < 0 || iter->first >= PylosBoard::kDim ||
iter->second < 0 || iter->second >= PylosBoard::kDim) {
throw BaseException(
FString("Out of bounds Pylos move: %s", src.c_str()));
}
}
mLocs = temp;
mType = type;
AssertMe();
}
