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#ifndef LIBTRELLIS_UTIL_HPP
#define LIBTRELLIS_UTIL_HPP
#include <string>
#include <sstream>
#include <iomanip>
#include <cstdint>
#include <vector>
#include <boost/range/adaptor/reversed.hpp>
using namespace std;
namespace Trellis {
enum class VerbosityLevel {
ERROR,
NOTE,
DEBUG,
};
extern VerbosityLevel verbosity;
inline string uint32_to_hexstr(uint32_t val) {
ostringstream os;
os << "0x" << hex << setw(8) << setfill('0') << val;
return os.str();
}
inline string to_string(const vector<bool> &bv) {
ostringstream os;
for (auto bit : boost::adaptors::reverse(bv))
os << (bit ? '1' : '0');
return os.str();
}
inline istream &operator>>(istream &in, vector<bool> &bv) {
bv.clear();
string s;
in >> s;
for (auto c : boost::adaptors::reverse(s)) {
assert((c == '0') || (c == '1'));
bv.push_back((c == '1'));
}
return in;
}
// Skip whitespace, optionally including newlines
inline void skip_blank(istream &in, bool nl = false) {
int c = in.peek();
while (in && (((c == ' ') || (c == '\t')) || (nl && ((c == '\n') || (c == '\r'))))) {
in.get();
c = in.peek();
}
}
// Return true if end of line (or file)
inline bool skip_check_eol(istream &in) {
skip_blank(in, false);
if (!in)
return false;
int c = in.peek();
// Comments count as end of line
if (c == '#') {
in.get();
c = in.peek();
while (in && c != EOF && c != '\n') {
in.get();
c = in.peek();
}
return true;
}
return (c == EOF || c == '\n');
}
// Skip past blank lines and comments
inline void skip(istream &in) {
skip_blank(in, true);
while (in && (in.peek() == '#')) {
// Skip comment line
skip_check_eol(in);
skip_blank(in, true);
}
}
// Return true if at the end of a record (or file)
inline bool skip_check_eor(istream &in) {
skip(in);
int c = in.peek();
return (c == EOF || c == '.');
}
// Return true if at the end of file
inline bool skip_check_eof(istream &in) {
skip(in);
int c = in.peek();
return (c == EOF);
}
}
#define fmt(x) (static_cast<const std::ostringstream&>(std::ostringstream() << x).str())
#define UNUSED(x) (void)(x)
#endif //LIBTRELLIS_UTIL_HPP
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