/
io.cpp
168 lines (141 loc) · 3.52 KB
/
io.cpp
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#include "io.hpp"
void readMatrixText(std::istream& stream, FUMatrix& val) {
val.m_data = new FUOver2[val.m_size*val.m_size];
for (unsigned int i=0; i<val.m_size; i++) {
char c;
do {
c = stream.get();
} while ((c=='\n' || c==' ') && stream.good());
stream.unget();
if (!stream.good()) goto return_error;
for (unsigned int j=0; j<val.m_size; j++) {
stream >> val(i, j);
if (stream.fail()) goto return_error;
}
}
return;
return_error:
delete [] val.m_data;
val.m_data = nullptr;
stream.setstate(std::istream::failbit);
}
void readEntriesText(std::istream& stream, FUMatrix& val) {
val.m_data = new FUOver2[val.m_size*val.m_size];
while (1) {
unsigned int i, j;
stream >> i;
if (stream.eof()) return;
if (i >= val.m_size || !stream.good()) goto return_error;
stream >> j;
if (j >= val.m_size || !stream.good()) goto return_error;
stream >> val(i, j);
if (stream.fail()) goto return_error;
}
return;
return_error:
delete [] val.m_data;
val.m_data = nullptr;
stream.setstate(std::istream::failbit);
}
std::ostream& operator<<(std::ostream& stream, const FUOver2& val) {
stream << val.getU() << "*U+" << val.getCst();
return stream;
}
std::istream& operator>>(std::istream& stream, FUOver2& val) {
char c;
do {
c = stream.get();
} while (c==' ' && stream.good());
stream.unget();
if (!stream.good()) {
return stream;
}
char u_c = stream.get();
bool u;
if (!stream.good() || (u_c != '0' && u_c != '1')) {
stream.setstate(std::istream::failbit);
return stream;
} else {
u = (u_c == '1');
}
c = stream.get();
if (stream.good() && (c==' ' || c==',')) {
while (c==' ' && stream.good()) {
c = stream.get();
}
stream.unget();
if (!stream.good()) {
return stream;
}
if (stream.get()!=',' || !stream.good()) {
return stream;
}
do {
c = stream.get();
} while (c==' ' && stream.good());
stream.unget();
if (!stream.good()) {
return stream;
}
c = stream.get();
}
else if (stream.good() && c=='*') {
char cs[2];
stream.read(cs, 2);
if (!stream.good() || cs[0]!='U' || cs[1]!='+') {
stream.setstate(std::istream::failbit);
return stream;
}
c = stream.get();
}
bool cst;
if (!stream.good() || (c != '0' && c != '1')) {
stream.setstate(std::istream::failbit);
return stream;
} else {
cst = (c == '1');
}
val = FUOver2(u, cst);
return stream;
}
std::ostream& operator<<(std::ostream& stream, const std::pair<FUMatrix, unsigned int>& val) {
for (unsigned int i=0; i<val.first.size(); i++) {
stream.put('[');
for (unsigned int j=0; j<val.first.size(); j++) {
stream << val.first(i, j);
char arr[2];
arr[0] = (j==val.first.size()-1) ? ']': ',';
arr[1] = (j==val.first.size()-1) ? '\n' : ' ';
stream.write(arr, 2);
}
}
return stream;
}
std::istream& operator>>(std::istream& stream, std::pair<FUMatrix, unsigned int>& val) {
val.first = FUMatrix();
std::string s;
std::getline(stream, s);
size_t j;
if (!stream.good()) goto return_error;
// On eleve les espaces
j=0;
for (size_t i=0; i<s.length(); ++i) {
if (s[i]!=' ')
s[j++] = s[i];
}
s.resize(j);
stream >> val.second;
if (val.second > 10000 || !stream.good()) goto return_error;
stream >> val.first.m_size;
if (val.first.m_size > 10000 || !stream.good()) goto return_error;
if (s == "matrix")
readMatrixText(stream, val.first);
else if (s == "entries")
readEntriesText(stream, val.first);
else
stream.setstate(std::istream::failbit);
return stream;
return_error:
stream.setstate(std::istream::failbit);
return stream;
}