mirror of
https://github.com/moses-smt/mosesdecoder.git
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84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
#ifndef moses_DynSAInclude_utils_h
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#define moses_DynSAInclude_utils_h
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#include <cstdlib>
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#include <vector>
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#include <string>
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#include <sstream>
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#include <cctype>
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#include <cmath>
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#include <cstring>
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//! @todo ask abby2
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class Utils
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{
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public:
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static void trim(std::string& str, const std::string dropChars = " \t\n\r") {
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str.erase(str.find_last_not_of(dropChars)+1);
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str.erase(0, str.find_first_not_of(dropChars));
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}
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static void rtrim(std::string& str, const std::string dropChars = " \t\n\r") {
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str.erase(str.find_last_not_of(dropChars)+1);
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}
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static void ltrim(std::string& str, const std::string dropChars = " \t\n\r") {
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str.erase(0, str.find_first_not_of(dropChars));
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}
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static std::string IntToStr(int integer) {
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std::ostringstream stream;
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stream << integer;
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return stream.str();
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}
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static int splitToStr(const char * str,
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std::vector<std::string> & items,
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const char * delm = "\t") {
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char * buff = const_cast<char *>(str);
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items.clear();
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char * pch = strtok(buff, delm);
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while( pch != NULL ) {
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items.push_back(pch);
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pch = strtok(NULL, delm);
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}
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return items.size();
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}
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static int splitToStr(std::string buff,
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std::vector<std::string> & items,
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std::string delm = "\t") {
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std::string cp = buff.substr();
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return splitToStr(cp.c_str(), items, delm.c_str());
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}
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static int splitToInt(std::string buff, std::vector<int>& items,
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std::string delm = ",") {
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items.clear();
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std::vector<std::string> tmpVector(0);
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int i = 0;
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i = splitToStr(buff.c_str(), tmpVector, delm.c_str());
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if( i > 0 )
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for( int j = 0; j < i; j++ )
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items.push_back(atoi(tmpVector[j].c_str()));
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return i;
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}
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static void strToLowercase(std::string& str) {
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for(unsigned i=0; i < str.length(); i++) {
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str[i] = tolower(str[i]);
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}
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}
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// TODO: interface with decent PRG
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template<typename T>
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static T rand(T mod_bnd = 0) {
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T random = 0;
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if(sizeof(T) <= 4) {
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random = static_cast<T>(std::rand());
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} else if(sizeof(T) == 8) {
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random = static_cast<T>(std::rand());
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random <<= 31;
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random <<= 1;
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random |= static_cast<T>(std::rand());
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}
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if(mod_bnd != 0)
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return random % mod_bnd;
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else return random;
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}
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};
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#endif
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