diff options
Diffstat (limited to 'src/libutil/util.hh')
-rw-r--r-- | src/libutil/util.hh | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/libutil/util.hh b/src/libutil/util.hh index 1ede48a65ff2..50b96f7ed92c 100644 --- a/src/libutil/util.hh +++ b/src/libutil/util.hh @@ -431,55 +431,4 @@ void callSuccess( } -/* A variant of std::istringstream that doesn't copy its string - argument. This is useful for large strings. The caller must ensure - that the string object is not destroyed while it's referenced by - this object. */ -class istringbuf_nocopy : public std::streambuf -{ - const std::string & s; - decltype(s.size()) off; - decltype(s.size()) size; -public: - istringbuf_nocopy(const std::string & s) : s{s}, off{0}, size{s.size()} - { - } - -private: - int_type underflow() - { - if (off == size) - return traits_type::eof(); - return traits_type::to_int_type(s[off]); - } - - int_type uflow() - { - if (off == size) - return traits_type::eof(); - return traits_type::to_int_type(s[off++]); - } - - int_type pbackfail(int_type ch) - { - if (off == 0 || (ch != traits_type::eof() && ch != s[off - 1])) - return traits_type::eof(); - - return traits_type::to_int_type(s[--off]); - } - - std::streamsize showmanyc() - { - return size - off; - } -}; - - -struct istringstream_nocopy : public std::iostream -{ - istringbuf_nocopy buf; - istringstream_nocopy(const std::string & s) : std::iostream(&buf), buf(s) {}; -}; - - } |