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//
// Copyright (C) 2020 Gareth Jones, Glysade LLC
//
// @@ All Rights Reserved @@
// This file is part of the RDKit.
// The contents are covered by the terms of the BSD license
// which is included in the file license.txt, found at the root
// of the RDKit source tree.
//
#include <string>
#include <cstdlib>
#include <RDGeneral/BoostStartInclude.h>
#include <boost/algorithm/string.hpp>
#include <RDGeneral/BoostEndInclude.h>
#include "Util.h"
namespace GarethUtil {
using namespace std;
string currentTime() {
time_t rawtime;
struct tm *timeinfo;
char buffer[80];
time(&rawtime);
timeinfo = localtime(&rawtime);
strftime(buffer, 80, "%m-%d-%Y %H:%M:%S", timeinfo);
return buffer;
}
bool startsWith(string str, string prefix) {
if (prefix.length() > str.length()) {
return false;
}
return str.compare(0, prefix.length(), prefix) == 0;
}
string getUserName() {
#ifdef WIN32
return "UNKNOWN";
#else
const int bufsize = 100;
char buffer[bufsize];
if (!getlogin_r(buffer, bufsize)) {
return string(buffer);
} else {
return string("");
}
#endif
}
string &removeTrailingLF(string &line) {
if (!line.empty() && line[line.length() - 1] == '\r') {
line.erase(line.length() - 1);
}
return line;
}
string &trim(string &str) {
boost::trim(str);
return str;
}
string &toUpperCase(string &str) {
boost::to_upper(str);
return str;
}
string &toLowerCase(string &str) {
boost::to_lower(str);
return str;
}
bool equals(const string &str1, const string &str2) {
return str1.compare(str2) == 0;
}
bool equalsIgnoreCase(const string &str1, const string &str2) {
return boost::iequals(str1, str2);
}
bool endsWith(const string &str, const string &suffix) {
if (suffix.length() > str.length()) {
return false;
}
return str.compare(str.length() - suffix.length(), string::npos, suffix) == 0;
}
bool equals(const double d1, const double d2, const int ulp) {
// the machine epsilon has to be scaled to the magnitude of the values used
// and multiplied by the desired precision in ULPs (units in the last place)
return abs(d1 - d2) <
numeric_limits<double>::epsilon() * std::abs(d1 + d1) * ulp
// unless the result is subnormal
|| abs(d1 - d2) < numeric_limits<double>::min();
}
bool equals(const double d1, const double d2, const double epsilon) {
return equals(d1, d2, 1) || abs(d1 - d2) < epsilon;
}
bool equals(const double d1, const double d2) { return equals(d1, d2, 1); }
boost::optional<string> getEnv(const string &name) {
const char *value = getenv(name.c_str());
if (value == nullptr) {
return boost::none;
}
return string(value);
}
} // namespace GarethUtil
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