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#ifndef moses_DynSAInclude_utils_h
#define moses_DynSAInclude_utils_h
#include <cstdlib>
#include <vector>
#include <string>
#include <sstream>
#include <cctype>
#include <cmath>
#include <cstring>
class Utils
{
public:
static void trim(std::string& str, const std::string dropChars = " \t\n\r") {
str.erase(str.find_last_not_of(dropChars)+1);
str.erase(0, str.find_first_not_of(dropChars));
}
static void rtrim(std::string& str, const std::string dropChars = " \t\n\r") {
str.erase(str.find_last_not_of(dropChars)+1);
}
static void ltrim(std::string& str, const std::string dropChars = " \t\n\r") {
str.erase(0, str.find_first_not_of(dropChars));
}
static std::string IntToStr(int integer) {
std::ostringstream stream;
stream << integer;
return stream.str();
}
static int splitToStr(const char * str,
std::vector<std::string> & items,
const char * delm = "\t") {
char * buff = const_cast<char *>(str);
items.clear();
char * pch = strtok(buff, delm);
while( pch != NULL ) {
items.push_back(pch);
pch = strtok(NULL, delm);
}
return items.size();
}
static int splitToStr(std::string buff,
std::vector<std::string> & items,
std::string delm = "\t") {
std::string cp = buff.substr();
return splitToStr(cp.c_str(), items, delm.c_str());
}
static int splitToInt(std::string buff, std::vector<int>& items,
std::string delm = ",") {
items.clear();
std::vector<std::string> tmpVector(0);
int i = 0;
i = splitToStr(buff.c_str(), tmpVector, delm.c_str());
if( i > 0 )
for( int j = 0; j < i; j++ )
items.push_back(atoi(tmpVector[j].c_str()));
return i;
}
static void strToLowercase(std::string& str) {
for(unsigned i=0; i < str.length(); i++) {
str[i] = tolower(str[i]);
}
}
// TODO: interface with decent PRG
template<typename T>
static T rand(T mod_bnd = 0) {
T random = 0;
if(sizeof(T) <= 4) {
random = static_cast<T>(std::rand());
} else if(sizeof(T) == 8) {
random = static_cast<T>(std::rand());
random <<= 31;
random <<= 1;
random |= static_cast<T>(std::rand());
}
if(mod_bnd != 0)
return random % mod_bnd;
else return random;
}
};
#endif
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