string_utils.h

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#ifndef LSST_GAUSS2D_STRING_UTILS_H
#define LSST_GAUSS2D_STRING_UTILS_H
 
#include <algorithm>
#include <memory>
#include <set>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>
 
namespace lsst::gauss2d {

template <typename T, typename R>
std::string replace_all(std::string target, T token, R replacement) {
    auto pos = target.find(token, 0);
    const auto n_token = token.size();
    const auto n_replace = replacement.size();
    while (pos != std::string::npos) {
        target.replace(pos, n_token, replacement);
        pos += n_replace;
        pos = target.find(token, pos);
    }
    return target;
}
std::string replace_all(std::string target, T token, R replacement) {…}

template <typename T>
std::string replace_all_none(std::string target, T token) {
    auto pos = target.find(token, 0);
    const auto n_token = token.size();
    while (pos != std::string::npos) {
        target.replace(pos, n_token, "");
        pos = target.find(token, pos);
    }
    return target;
}
std::string replace_all_none(std::string target, T token) {…}
 
template std::string replace_all<const std::string, const std::string>(std::string target,
                                                                       const std::string token,
                                                                       const std::string replacement);
template std::string replace_all<std::string_view, const std::string>(std::string target,
                                                                      std::string_view token,
                                                                      const std::string replacement);
template std::string replace_all<const std::string, std::string_view>(std::string target,
                                                                      const std::string token,
                                                                      std::string_view replacement);
template std::string replace_all<std::string_view, std::string_view>(std::string target,
                                                                     std::string_view token,
                                                                     std::string_view replacement);
 
template std::string replace_all_none<const std::string>(std::string target, const std::string token);
template std::string replace_all_none<std::string_view>(std::string target, std::string_view token);
}  // namespace lsst::gauss2d
 
#endif