strings.h

#ifndef UTILS_STRINGS_H
#define UTILS_STRINGS_H
 
#include "downward/utils/exceptions.h"
 
#include <sstream>
#include <string>
#include <vector>
 
namespace utils {
extern void lstrip(std::string& s);
extern void rstrip(std::string& s);
extern void strip(std::string& s);
 
/*
  Split a given string at the first max_splits occurrence of separator. Use
  the default of -1 for an unlimited amount of splits.
*/
extern std::vector<std::string>
split(const std::string& s, const std::string& separator, int max_splits = -1);
 
extern bool startswith(const std::string& s, const std::string& prefix);
 
extern std::string tolower(std::string s);
 
template <typename Collection>
std::string join(const Collection& collection, const std::string& delimiter)
{
    std::ostringstream oss;
    bool first_item = true;
 
    for (const auto& item : collection) {
        if (first_item)
            first_item = false;
        else
            oss << delimiter;
        oss << item;
    }
    return oss.str();
}
 
extern bool is_alpha_numeric(const std::string& s);
} // namespace utils
#endif