forked from lix-project/lix
Merge branch 'darwin-s3-binary-cache-store' of https://github.com/shlevy/nix
This commit is contained in:
commit
20df50d8e1
|
@ -152,7 +152,7 @@ static StringSet parseStrings(std::istream & str, bool arePaths)
|
|||
static Derivation parseDerivation(const string & s)
|
||||
{
|
||||
Derivation drv;
|
||||
std::istringstream str(s);
|
||||
istringstream_nocopy str(s);
|
||||
expect(str, "Derive([");
|
||||
|
||||
/* Parse the list of outputs. */
|
||||
|
|
|
@ -122,17 +122,6 @@ S3Helper::DownloadResult S3Helper::getObject(
|
|||
return res;
|
||||
}
|
||||
|
||||
#if __linux__
|
||||
|
||||
struct istringstream_nocopy : public std::stringstream
|
||||
{
|
||||
istringstream_nocopy(const std::string & s)
|
||||
{
|
||||
rdbuf()->pubsetbuf(
|
||||
(char *) s.data(), s.size());
|
||||
}
|
||||
};
|
||||
|
||||
struct S3BinaryCacheStoreImpl : public S3BinaryCacheStore
|
||||
{
|
||||
std::string bucketName;
|
||||
|
@ -344,8 +333,6 @@ static RegisterStoreImplementation regStore([](
|
|||
return store;
|
||||
});
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -104,7 +104,7 @@ Hash parseHash(HashType ht, const string & s)
|
|||
string s2(s, i * 2, 2);
|
||||
if (!isxdigit(s2[0]) || !isxdigit(s2[1]))
|
||||
throw BadHash(format("invalid hash ‘%1%’") % s);
|
||||
std::istringstream str(s2);
|
||||
istringstream_nocopy str(s2);
|
||||
int n;
|
||||
str >> std::hex >> n;
|
||||
hash.hash[i] = n;
|
||||
|
|
|
@ -452,4 +452,91 @@ struct ReceiveInterrupts
|
|||
};
|
||||
|
||||
|
||||
template <class CharT, class Traits = std::char_traits<CharT>, class Allocator = std::allocator<CharT>>
|
||||
class basic_istringbuf_nocopy : public std::basic_streambuf<CharT, Traits>
|
||||
{
|
||||
public:
|
||||
typedef std::basic_string<CharT, Traits, Allocator> string_type;
|
||||
|
||||
typedef typename std::basic_streambuf<CharT, Traits>::off_type off_type;
|
||||
|
||||
typedef typename std::basic_streambuf<CharT, Traits>::pos_type pos_type;
|
||||
|
||||
typedef typename std::basic_streambuf<CharT, Traits>::int_type int_type;
|
||||
|
||||
typedef typename std::basic_streambuf<CharT, Traits>::traits_type traits_type;
|
||||
|
||||
private:
|
||||
const string_type & s;
|
||||
|
||||
off_type off;
|
||||
|
||||
public:
|
||||
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 CharT, class Traits = std::char_traits<CharT>, class Allocator = std::allocator<CharT>>
|
||||
class basic_istringstream_nocopy : public std::basic_iostream<CharT, Traits>
|
||||
{
|
||||
typedef basic_istringbuf_nocopy<CharT, Traits, Allocator> buf_type;
|
||||
buf_type buf;
|
||||
public:
|
||||
basic_istringstream_nocopy(const typename buf_type::string_type & s) :
|
||||
std::basic_iostream<CharT, Traits>(&buf), buf(s) {};
|
||||
};
|
||||
|
||||
/* A variant of std::istringstream that doesn't 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. */
|
||||
typedef basic_istringstream_nocopy<char> istringstream_nocopy;
|
||||
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue