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Add implementation of warning() in C++

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This commit is contained in:
Paul Romano 2019-02-05 22:14:08 -06:00
parent 8f5517c212
commit b178a66e7f
2 changed files with 57 additions and 6 deletions
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57
src/error.cpp
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@ -2,13 +2,68 @@
#include "openmc/message_passing.h"
#if defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__))
#include <unistd.h> // for isatty
#endif
#include <iomanip> // for setw
#include <iostream>
namespace openmc {
#ifdef OPENMC_MPI
void abort_mpi(int code)
{
MPI_Abort(mpi::intracomm, code);
MPI_Abort(mpi::intracomm, code);
}
#endif
void warning(const std::string& message)
{
#ifdef _POSIX_VERSION
// Make output yellow if user is in a terminal
if (isatty(STDERR_FILENO)) {
std::cerr << "\033[0;33m";
}
#endif
// Write warning at beginning
std::cerr << " WARNING: ";
// Set line wrapping and indentation
int line_wrap = 80;
int indent = 10;
// Determine length of message
int length = message.size();
int i_start = 0;
int line_len = line_wrap - indent + 1;
while (i_start < length) {
if (length - i_start < line_len) {
// Remainder of message will fit on line
std::cerr << message.substr(i_start) << '\n';
break;
} else {
// Determine last space in current line
std::string s = message.substr(i_start, line_len);
auto pos = s.find_last_of(' ');
// Write up to last space, or whole line if no space is present
std::cerr << s.substr(0, pos) << '\n' << std::setw(indent) << " ";
// Advance starting position
i_start += (pos == std::string::npos) ? line_len : pos + 1;
}
}
#ifdef _POSIX_VERSION
// Reset color for terminal
if (isatty(STDERR_FILENO)) {
std::cerr << "\033[0m";
}
#endif
}
} // namespace openmc