From d127f9bd0e7b9b2e0df2de8a2227f77c0907468d Mon Sep 17 00:00:00 2001 From: Vincent Ambo Date: Wed, 18 May 2022 17:39:39 +0200 Subject: chore(3p/nix): unvendor tvix 0.1 Nothing is using this now, and we'll likely never pick this up again, but we learned a lot in the process. Every now and then this breaks in some bizarre way on channel bumps and it's just a waste of time to maintain that. Change-Id: Idcf2f5acd4ca7070ce18d7149cbfc0d967dc0a44 Reviewed-on: https://cl.tvl.fyi/c/depot/+/5632 Tested-by: BuildkiteCI Reviewed-by: sterni Reviewed-by: lukegb Autosubmit: tazjin --- .../nix/src/libutil/istringstream_nocopy.hh | 85 ---------------------- 1 file changed, 85 deletions(-) delete mode 100644 third_party/nix/src/libutil/istringstream_nocopy.hh (limited to 'third_party/nix/src/libutil/istringstream_nocopy.hh') diff --git a/third_party/nix/src/libutil/istringstream_nocopy.hh b/third_party/nix/src/libutil/istringstream_nocopy.hh deleted file mode 100644 index 31683d37c91b..000000000000 --- a/third_party/nix/src/libutil/istringstream_nocopy.hh +++ /dev/null @@ -1,85 +0,0 @@ -/* This file provides 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. */ - -#pragma once - -#include -#include - -template , - class Allocator = std::allocator> -class basic_istringbuf_nocopy : public std::basic_streambuf { - public: - using string_type = std::basic_string; - - using off_type = typename std::basic_streambuf::off_type; - - using pos_type = typename std::basic_streambuf::pos_type; - - using int_type = typename std::basic_streambuf::int_type; - - using traits_type = typename std::basic_streambuf::traits_type; - - private: - const string_type& s; - - off_type off; - - public: - explicit basic_istringbuf_nocopy(const string_type& s) : s{s}, off{0} {} - - private: - pos_type seekoff(off_type off, std::ios_base::seekdir dir, - std::ios_base::openmode which) { - if (which & std::ios_base::in) { - this->off = - dir == std::ios_base::beg - ? off - : (dir == std::ios_base::end ? s.size() + off : this->off + off); - } - return pos_type(this->off); - } - - pos_type seekpos(pos_type pos, std::ios_base::openmode which) { - return seekoff(pos, std::ios_base::beg, which); - } - - std::streamsize showmanyc() { return s.size() - off; } - - int_type underflow() { - if (typename string_type::size_type(off) == s.size()) { - return traits_type::eof(); - } - return traits_type::to_int_type(s[off]); - } - - int_type uflow() { - if (typename string_type::size_type(off) == s.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]); - } -}; - -template , - class Allocator = std::allocator> -class basic_istringstream_nocopy : public std::basic_iostream { - using buf_type = basic_istringbuf_nocopy; - buf_type buf; - - public: - explicit basic_istringstream_nocopy(const typename buf_type::string_type& s) - : std::basic_iostream(&buf), buf(s){}; -}; - -using istringstream_nocopy = basic_istringstream_nocopy; -- cgit 1.4.1