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MacOS built: add workaround for missing view() member of std::ostringstream

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This commit is contained in:
Philipp Otterbein 2024-10-07 02:05:53 +02:00
parent caf3b55891
commit e21c7895eb
11 changed files with 39 additions and 19 deletions
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15
src/libutil/strings.cc
View file

@ -6,6 +6,21 @@
namespace nix {
struct view_stringbuf : public std::stringbuf
{
inline std::string_view toView()
{
auto begin = pbase();
return {begin, begin + pubseekoff(0, std::ios_base::cur, std::ios_base::out)};
}
};
std::string_view toView(const std::ostringstream & os)
{
auto buf = static_cast<view_stringbuf *>(os.rdbuf());
return buf->toView();
}
template std::list<std::string> tokenizeString(std::string_view s, std::string_view separators);
template std::set<std::string> tokenizeString(std::string_view s, std::string_view separators);
template std::vector<std::string> tokenizeString(std::string_view s, std::string_view separators);

5
src/libutil/strings.hh
View file

@ -8,6 +8,11 @@
namespace nix {
/*
* workaround for unavailable view() method (C++20) of std::ostringstream under MacOS with clang-16
*/
std::string_view toView(const std::ostringstream & os);
/**
* String tokenizer.
*