| // -*- C++ -*- | |
| //===------------------------- fstream ------------------------------------===// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #ifndef _LIBCPP_FSTREAM | |
| #define _LIBCPP_FSTREAM | |
| /* | |
| fstream synopsis | |
| template <class charT, class traits = char_traits<charT> > | |
| class basic_filebuf | |
| : public basic_streambuf<charT, traits> | |
| { | |
| public: | |
| typedef charT char_type; | |
| typedef traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| // 27.9.1.2 Constructors/destructor: | |
| basic_filebuf(); | |
| basic_filebuf(basic_filebuf&& rhs); | |
| virtual ~basic_filebuf(); | |
| // 27.9.1.3 Assign/swap: | |
| basic_filebuf& operator=(basic_filebuf&& rhs); | |
| void swap(basic_filebuf& rhs); | |
| // 27.9.1.4 Members: | |
| bool is_open() const; | |
| basic_filebuf* open(const char* s, ios_base::openmode mode); | |
| basic_filebuf* open(const string& s, ios_base::openmode mode); | |
| basic_filebuf* open(const filesystem::path& p, ios_base::openmode mode); // C++17 | |
| basic_filebuf* close(); | |
| protected: | |
| // 27.9.1.5 Overridden virtual functions: | |
| virtual streamsize showmanyc(); | |
| virtual int_type underflow(); | |
| virtual int_type uflow(); | |
| virtual int_type pbackfail(int_type c = traits_type::eof()); | |
| virtual int_type overflow (int_type c = traits_type::eof()); | |
| virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* s, streamsize n); | |
| virtual pos_type seekoff(off_type off, ios_base::seekdir way, | |
| ios_base::openmode which = ios_base::in | ios_base::out); | |
| virtual pos_type seekpos(pos_type sp, | |
| ios_base::openmode which = ios_base::in | ios_base::out); | |
| virtual int sync(); | |
| virtual void imbue(const locale& loc); | |
| }; | |
| template <class charT, class traits> | |
| void | |
| swap(basic_filebuf<charT, traits>& x, basic_filebuf<charT, traits>& y); | |
| typedef basic_filebuf<char> filebuf; | |
| typedef basic_filebuf<wchar_t> wfilebuf; | |
| template <class charT, class traits = char_traits<charT> > | |
| class basic_ifstream | |
| : public basic_istream<charT,traits> | |
| { | |
| public: | |
| typedef charT char_type; | |
| typedef traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| basic_ifstream(); | |
| explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in); | |
| explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in); | |
| explicit basic_ifstream(const filesystem::path& p, | |
| ios_base::openmode mode = ios_base::in); // C++17 | |
| basic_ifstream(basic_ifstream&& rhs); | |
| basic_ifstream& operator=(basic_ifstream&& rhs); | |
| void swap(basic_ifstream& rhs); | |
| basic_filebuf<char_type, traits_type>* rdbuf() const; | |
| bool is_open() const; | |
| void open(const char* s, ios_base::openmode mode = ios_base::in); | |
| void open(const string& s, ios_base::openmode mode = ios_base::in); | |
| void open(const filesystem::path& s, ios_base::openmode mode = ios_base::in); // C++17 | |
| void close(); | |
| }; | |
| template <class charT, class traits> | |
| void | |
| swap(basic_ifstream<charT, traits>& x, basic_ifstream<charT, traits>& y); | |
| typedef basic_ifstream<char> ifstream; | |
| typedef basic_ifstream<wchar_t> wifstream; | |
| template <class charT, class traits = char_traits<charT> > | |
| class basic_ofstream | |
| : public basic_ostream<charT,traits> | |
| { | |
| public: | |
| typedef charT char_type; | |
| typedef traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| basic_ofstream(); | |
| explicit basic_ofstream(const char* s, ios_base::openmode mode = ios_base::out); | |
| explicit basic_ofstream(const string& s, ios_base::openmode mode = ios_base::out); | |
| explicit basic_ofstream(const filesystem::path& p, | |
| ios_base::openmode mode = ios_base::out); // C++17 | |
| basic_ofstream(basic_ofstream&& rhs); | |
| basic_ofstream& operator=(basic_ofstream&& rhs); | |
| void swap(basic_ofstream& rhs); | |
| basic_filebuf<char_type, traits_type>* rdbuf() const; | |
| bool is_open() const; | |
| void open(const char* s, ios_base::openmode mode = ios_base::out); | |
| void open(const string& s, ios_base::openmode mode = ios_base::out); | |
| void open(const filesystem::path& p, | |
| ios_base::openmode mode = ios_base::out); // C++17 | |
| void close(); | |
| }; | |
| template <class charT, class traits> | |
| void | |
| swap(basic_ofstream<charT, traits>& x, basic_ofstream<charT, traits>& y); | |
| typedef basic_ofstream<char> ofstream; | |
| typedef basic_ofstream<wchar_t> wofstream; | |
| template <class charT, class traits=char_traits<charT> > | |
| class basic_fstream | |
| : public basic_iostream<charT,traits> | |
| { | |
| public: | |
| typedef charT char_type; | |
| typedef traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| basic_fstream(); | |
| explicit basic_fstream(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out); | |
| explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); | |
| explicit basic_fstream(const filesystem::path& p, | |
| ios_base::openmode mode = ios_base::in|ios_base::out); C++17 | |
| basic_fstream(basic_fstream&& rhs); | |
| basic_fstream& operator=(basic_fstream&& rhs); | |
| void swap(basic_fstream& rhs); | |
| basic_filebuf<char_type, traits_type>* rdbuf() const; | |
| bool is_open() const; | |
| void open(const char* s, ios_base::openmode mode = ios_base::in|ios_base::out); | |
| void open(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); | |
| void open(const filesystem::path& s, | |
| ios_base::openmode mode = ios_base::in|ios_base::out); // C++17 | |
| void close(); | |
| }; | |
| template <class charT, class traits> | |
| void swap(basic_fstream<charT, traits>& x, basic_fstream<charT, traits>& y); | |
| typedef basic_fstream<char> fstream; | |
| typedef basic_fstream<wchar_t> wfstream; | |
| } // std | |
| */ | |
| #include <__config> | |
| #include <ostream> | |
| #include <istream> | |
| #include <__locale> | |
| #include <cstdio> | |
| #include <cstdlib> | |
| #include <filesystem> | |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | |
| #pragma GCC system_header | |
| #endif | |
| _LIBCPP_PUSH_MACROS | |
| #include <__undef_macros> | |
| _LIBCPP_BEGIN_NAMESPACE_STD | |
| template <class _CharT, class _Traits> | |
| class _LIBCPP_TEMPLATE_VIS basic_filebuf | |
| : public basic_streambuf<_CharT, _Traits> | |
| { | |
| public: | |
| typedef _CharT char_type; | |
| typedef _Traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| typedef typename traits_type::state_type state_type; | |
| // 27.9.1.2 Constructors/destructor: | |
| basic_filebuf(); | |
| #ifndef _LIBCPP_CXX03_LANG | |
| basic_filebuf(basic_filebuf&& __rhs); | |
| #endif | |
| virtual ~basic_filebuf(); | |
| // 27.9.1.3 Assign/swap: | |
| #ifndef _LIBCPP_CXX03_LANG | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf& operator=(basic_filebuf&& __rhs); | |
| #endif | |
| void swap(basic_filebuf& __rhs); | |
| // 27.9.1.4 Members: | |
| _LIBCPP_INLINE_VISIBILITY | |
| bool is_open() const; | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| basic_filebuf* open(const char* __s, ios_base::openmode __mode); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| basic_filebuf* open(const wchar_t* __s, ios_base::openmode __mode); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf* open(const string& __s, ios_base::openmode __mode); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf* open(const _VSTD_FS::path& __p, ios_base::openmode __mode) { | |
| return open(__p.c_str(), __mode); | |
| } | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf* __open(int __fd, ios_base::openmode __mode); | |
| #endif | |
| basic_filebuf* close(); | |
| _LIBCPP_INLINE_VISIBILITY | |
| inline static const char* | |
| __make_mdstring(ios_base::openmode __mode) _NOEXCEPT; | |
| protected: | |
| // 27.9.1.5 Overridden virtual functions: | |
| virtual int_type underflow(); | |
| virtual int_type pbackfail(int_type __c = traits_type::eof()); | |
| virtual int_type overflow (int_type __c = traits_type::eof()); | |
| virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, streamsize __n); | |
| virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, | |
| ios_base::openmode __wch = ios_base::in | ios_base::out); | |
| virtual pos_type seekpos(pos_type __sp, | |
| ios_base::openmode __wch = ios_base::in | ios_base::out); | |
| virtual int sync(); | |
| virtual void imbue(const locale& __loc); | |
| private: | |
| char* __extbuf_; | |
| const char* __extbufnext_; | |
| const char* __extbufend_; | |
| char __extbuf_min_[8]; | |
| size_t __ebs_; | |
| char_type* __intbuf_; | |
| size_t __ibs_; | |
| FILE* __file_; | |
| const codecvt<char_type, char, state_type>* __cv_; | |
| state_type __st_; | |
| state_type __st_last_; | |
| ios_base::openmode __om_; | |
| ios_base::openmode __cm_; | |
| bool __owns_eb_; | |
| bool __owns_ib_; | |
| bool __always_noconv_; | |
| bool __read_mode(); | |
| void __write_mode(); | |
| }; | |
| template <class _CharT, class _Traits> | |
| basic_filebuf<_CharT, _Traits>::basic_filebuf() | |
| : __extbuf_(0), | |
| __extbufnext_(0), | |
| __extbufend_(0), | |
| __ebs_(0), | |
| __intbuf_(0), | |
| __ibs_(0), | |
| __file_(0), | |
| __cv_(nullptr), | |
| __st_(), | |
| __st_last_(), | |
| __om_(0), | |
| __cm_(0), | |
| __owns_eb_(false), | |
| __owns_ib_(false), | |
| __always_noconv_(false) | |
| { | |
| if (has_facet<codecvt<char_type, char, state_type> >(this->getloc())) | |
| { | |
| __cv_ = &use_facet<codecvt<char_type, char, state_type> >(this->getloc()); | |
| __always_noconv_ = __cv_->always_noconv(); | |
| } | |
| setbuf(0, 4096); | |
| } | |
| #ifndef _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| basic_filebuf<_CharT, _Traits>::basic_filebuf(basic_filebuf&& __rhs) | |
| : basic_streambuf<_CharT, _Traits>(__rhs) | |
| { | |
| if (__rhs.__extbuf_ == __rhs.__extbuf_min_) | |
| { | |
| __extbuf_ = __extbuf_min_; | |
| __extbufnext_ = __extbuf_ + (__rhs.__extbufnext_ - __rhs.__extbuf_); | |
| __extbufend_ = __extbuf_ + (__rhs.__extbufend_ - __rhs.__extbuf_); | |
| } | |
| else | |
| { | |
| __extbuf_ = __rhs.__extbuf_; | |
| __extbufnext_ = __rhs.__extbufnext_; | |
| __extbufend_ = __rhs.__extbufend_; | |
| } | |
| __ebs_ = __rhs.__ebs_; | |
| __intbuf_ = __rhs.__intbuf_; | |
| __ibs_ = __rhs.__ibs_; | |
| __file_ = __rhs.__file_; | |
| __cv_ = __rhs.__cv_; | |
| __st_ = __rhs.__st_; | |
| __st_last_ = __rhs.__st_last_; | |
| __om_ = __rhs.__om_; | |
| __cm_ = __rhs.__cm_; | |
| __owns_eb_ = __rhs.__owns_eb_; | |
| __owns_ib_ = __rhs.__owns_ib_; | |
| __always_noconv_ = __rhs.__always_noconv_; | |
| if (__rhs.pbase()) | |
| { | |
| if (__rhs.pbase() == __rhs.__intbuf_) | |
| this->setp(__intbuf_, __intbuf_ + (__rhs. epptr() - __rhs.pbase())); | |
| else | |
| this->setp((char_type*)__extbuf_, | |
| (char_type*)__extbuf_ + (__rhs. epptr() - __rhs.pbase())); | |
| this->__pbump(__rhs. pptr() - __rhs.pbase()); | |
| } | |
| else if (__rhs.eback()) | |
| { | |
| if (__rhs.eback() == __rhs.__intbuf_) | |
| this->setg(__intbuf_, __intbuf_ + (__rhs.gptr() - __rhs.eback()), | |
| __intbuf_ + (__rhs.egptr() - __rhs.eback())); | |
| else | |
| this->setg((char_type*)__extbuf_, | |
| (char_type*)__extbuf_ + (__rhs.gptr() - __rhs.eback()), | |
| (char_type*)__extbuf_ + (__rhs.egptr() - __rhs.eback())); | |
| } | |
| __rhs.__extbuf_ = 0; | |
| __rhs.__extbufnext_ = 0; | |
| __rhs.__extbufend_ = 0; | |
| __rhs.__ebs_ = 0; | |
| __rhs.__intbuf_ = 0; | |
| __rhs.__ibs_ = 0; | |
| __rhs.__file_ = 0; | |
| __rhs.__st_ = state_type(); | |
| __rhs.__st_last_ = state_type(); | |
| __rhs.__om_ = 0; | |
| __rhs.__cm_ = 0; | |
| __rhs.__owns_eb_ = false; | |
| __rhs.__owns_ib_ = false; | |
| __rhs.setg(0, 0, 0); | |
| __rhs.setp(0, 0); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_filebuf<_CharT, _Traits>& | |
| basic_filebuf<_CharT, _Traits>::operator=(basic_filebuf&& __rhs) | |
| { | |
| close(); | |
| swap(__rhs); | |
| return *this; | |
| } | |
| #endif // _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| basic_filebuf<_CharT, _Traits>::~basic_filebuf() | |
| { | |
| #ifndef _LIBCPP_NO_EXCEPTIONS | |
| try | |
| { | |
| #endif // _LIBCPP_NO_EXCEPTIONS | |
| close(); | |
| #ifndef _LIBCPP_NO_EXCEPTIONS | |
| } | |
| catch (...) | |
| { | |
| } | |
| #endif // _LIBCPP_NO_EXCEPTIONS | |
| if (__owns_eb_) | |
| delete [] __extbuf_; | |
| if (__owns_ib_) | |
| delete [] __intbuf_; | |
| } | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_filebuf<_CharT, _Traits>::swap(basic_filebuf& __rhs) | |
| { | |
| basic_streambuf<char_type, traits_type>::swap(__rhs); | |
| if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) | |
| { | |
| _VSTD::swap(__extbuf_, __rhs.__extbuf_); | |
| _VSTD::swap(__extbufnext_, __rhs.__extbufnext_); | |
| _VSTD::swap(__extbufend_, __rhs.__extbufend_); | |
| } | |
| else | |
| { | |
| ptrdiff_t __ln = __extbufnext_ - __extbuf_; | |
| ptrdiff_t __le = __extbufend_ - __extbuf_; | |
| ptrdiff_t __rn = __rhs.__extbufnext_ - __rhs.__extbuf_; | |
| ptrdiff_t __re = __rhs.__extbufend_ - __rhs.__extbuf_; | |
| if (__extbuf_ == __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_) | |
| { | |
| __extbuf_ = __rhs.__extbuf_; | |
| __rhs.__extbuf_ = __rhs.__extbuf_min_; | |
| } | |
| else if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ == __rhs.__extbuf_min_) | |
| { | |
| __rhs.__extbuf_ = __extbuf_; | |
| __extbuf_ = __extbuf_min_; | |
| } | |
| __extbufnext_ = __extbuf_ + __rn; | |
| __extbufend_ = __extbuf_ + __re; | |
| __rhs.__extbufnext_ = __rhs.__extbuf_ + __ln; | |
| __rhs.__extbufend_ = __rhs.__extbuf_ + __le; | |
| } | |
| _VSTD::swap(__ebs_, __rhs.__ebs_); | |
| _VSTD::swap(__intbuf_, __rhs.__intbuf_); | |
| _VSTD::swap(__ibs_, __rhs.__ibs_); | |
| _VSTD::swap(__file_, __rhs.__file_); | |
| _VSTD::swap(__cv_, __rhs.__cv_); | |
| _VSTD::swap(__st_, __rhs.__st_); | |
| _VSTD::swap(__st_last_, __rhs.__st_last_); | |
| _VSTD::swap(__om_, __rhs.__om_); | |
| _VSTD::swap(__cm_, __rhs.__cm_); | |
| _VSTD::swap(__owns_eb_, __rhs.__owns_eb_); | |
| _VSTD::swap(__owns_ib_, __rhs.__owns_ib_); | |
| _VSTD::swap(__always_noconv_, __rhs.__always_noconv_); | |
| if (this->eback() == (char_type*)__rhs.__extbuf_min_) | |
| { | |
| ptrdiff_t __n = this->gptr() - this->eback(); | |
| ptrdiff_t __e = this->egptr() - this->eback(); | |
| this->setg((char_type*)__extbuf_min_, | |
| (char_type*)__extbuf_min_ + __n, | |
| (char_type*)__extbuf_min_ + __e); | |
| } | |
| else if (this->pbase() == (char_type*)__rhs.__extbuf_min_) | |
| { | |
| ptrdiff_t __n = this->pptr() - this->pbase(); | |
| ptrdiff_t __e = this->epptr() - this->pbase(); | |
| this->setp((char_type*)__extbuf_min_, | |
| (char_type*)__extbuf_min_ + __e); | |
| this->__pbump(__n); | |
| } | |
| if (__rhs.eback() == (char_type*)__extbuf_min_) | |
| { | |
| ptrdiff_t __n = __rhs.gptr() - __rhs.eback(); | |
| ptrdiff_t __e = __rhs.egptr() - __rhs.eback(); | |
| __rhs.setg((char_type*)__rhs.__extbuf_min_, | |
| (char_type*)__rhs.__extbuf_min_ + __n, | |
| (char_type*)__rhs.__extbuf_min_ + __e); | |
| } | |
| else if (__rhs.pbase() == (char_type*)__extbuf_min_) | |
| { | |
| ptrdiff_t __n = __rhs.pptr() - __rhs.pbase(); | |
| ptrdiff_t __e = __rhs.epptr() - __rhs.pbase(); | |
| __rhs.setp((char_type*)__rhs.__extbuf_min_, | |
| (char_type*)__rhs.__extbuf_min_ + __e); | |
| __rhs.__pbump(__n); | |
| } | |
| } | |
| template <class _CharT, class _Traits> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void | |
| swap(basic_filebuf<_CharT, _Traits>& __x, basic_filebuf<_CharT, _Traits>& __y) | |
| { | |
| __x.swap(__y); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| bool | |
| basic_filebuf<_CharT, _Traits>::is_open() const | |
| { | |
| return __file_ != 0; | |
| } | |
| template <class _CharT, class _Traits> | |
| const char* basic_filebuf<_CharT, _Traits>::__make_mdstring( | |
| ios_base::openmode __mode) _NOEXCEPT { | |
| switch (__mode & ~ios_base::ate) { | |
| case ios_base::out: | |
| case ios_base::out | ios_base::trunc: | |
| return "w" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::out | ios_base::app: | |
| case ios_base::app: | |
| return "a" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in: | |
| return "r" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::out: | |
| return "r+" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::out | ios_base::trunc: | |
| return "w+" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::out | ios_base::app: | |
| case ios_base::in | ios_base::app: | |
| return "a+" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::out | ios_base::binary: | |
| case ios_base::out | ios_base::trunc | ios_base::binary: | |
| return "wb" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::out | ios_base::app | ios_base::binary: | |
| case ios_base::app | ios_base::binary: | |
| return "ab" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::binary: | |
| return "rb" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::out | ios_base::binary: | |
| return "r+b" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::out | ios_base::trunc | ios_base::binary: | |
| return "w+b" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| case ios_base::in | ios_base::out | ios_base::app | ios_base::binary: | |
| case ios_base::in | ios_base::app | ios_base::binary: | |
| return "a+b" _LIBCPP_FOPEN_CLOEXEC_MODE; | |
| default: | |
| return nullptr; | |
| } | |
| _LIBCPP_UNREACHABLE(); | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_filebuf<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) | |
| { | |
| basic_filebuf<_CharT, _Traits>* __rt = 0; | |
| if (__file_ == 0) | |
| { | |
| if (const char* __mdstr = __make_mdstring(__mode)) { | |
| __rt = this; | |
| __file_ = fopen(__s, __mdstr); | |
| if (__file_) { | |
| __om_ = __mode; | |
| if (__mode & ios_base::ate) { | |
| if (fseek(__file_, 0, SEEK_END)) { | |
| fclose(__file_); | |
| __file_ = 0; | |
| __rt = 0; | |
| } | |
| } | |
| } else | |
| __rt = 0; | |
| } | |
| } | |
| return __rt; | |
| } | |
| template <class _CharT, class _Traits> | |
| _LIBCPP_INLINE_VISIBILITY basic_filebuf<_CharT, _Traits>* | |
| basic_filebuf<_CharT, _Traits>::__open(int __fd, ios_base::openmode __mode) { | |
| basic_filebuf<_CharT, _Traits>* __rt = 0; | |
| if (__file_ == 0) { | |
| if (const char* __mdstr = __make_mdstring(__mode)) { | |
| __rt = this; | |
| __file_ = fdopen(__fd, __mdstr); | |
| if (__file_) { | |
| __om_ = __mode; | |
| if (__mode & ios_base::ate) { | |
| if (fseek(__file_, 0, SEEK_END)) { | |
| fclose(__file_); | |
| __file_ = 0; | |
| __rt = 0; | |
| } | |
| } | |
| } else | |
| __rt = 0; | |
| } | |
| } | |
| return __rt; | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| // This is basically the same as the char* overload except that it uses _wfopen | |
| // and long mode strings. | |
| template <class _CharT, class _Traits> | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_filebuf<_CharT, _Traits>::open(const wchar_t* __s, ios_base::openmode __mode) | |
| { | |
| basic_filebuf<_CharT, _Traits>* __rt = 0; | |
| if (__file_ == 0) | |
| { | |
| __rt = this; | |
| const wchar_t* __mdstr; | |
| switch (__mode & ~ios_base::ate) | |
| { | |
| case ios_base::out: | |
| case ios_base::out | ios_base::trunc: | |
| __mdstr = L"w"; | |
| break; | |
| case ios_base::out | ios_base::app: | |
| case ios_base::app: | |
| __mdstr = L"a"; | |
| break; | |
| case ios_base::in: | |
| __mdstr = L"r"; | |
| break; | |
| case ios_base::in | ios_base::out: | |
| __mdstr = L"r+"; | |
| break; | |
| case ios_base::in | ios_base::out | ios_base::trunc: | |
| __mdstr = L"w+"; | |
| break; | |
| case ios_base::in | ios_base::out | ios_base::app: | |
| case ios_base::in | ios_base::app: | |
| __mdstr = L"a+"; | |
| break; | |
| case ios_base::out | ios_base::binary: | |
| case ios_base::out | ios_base::trunc | ios_base::binary: | |
| __mdstr = L"wb"; | |
| break; | |
| case ios_base::out | ios_base::app | ios_base::binary: | |
| case ios_base::app | ios_base::binary: | |
| __mdstr = L"ab"; | |
| break; | |
| case ios_base::in | ios_base::binary: | |
| __mdstr = L"rb"; | |
| break; | |
| case ios_base::in | ios_base::out | ios_base::binary: | |
| __mdstr = L"r+b"; | |
| break; | |
| case ios_base::in | ios_base::out | ios_base::trunc | ios_base::binary: | |
| __mdstr = L"w+b"; | |
| break; | |
| case ios_base::in | ios_base::out | ios_base::app | ios_base::binary: | |
| case ios_base::in | ios_base::app | ios_base::binary: | |
| __mdstr = L"a+b"; | |
| break; | |
| default: | |
| __rt = 0; | |
| break; | |
| } | |
| if (__rt) | |
| { | |
| __file_ = _wfopen(__s, __mdstr); | |
| if (__file_) | |
| { | |
| __om_ = __mode; | |
| if (__mode & ios_base::ate) | |
| { | |
| if (fseek(__file_, 0, SEEK_END)) | |
| { | |
| fclose(__file_); | |
| __file_ = 0; | |
| __rt = 0; | |
| } | |
| } | |
| } | |
| else | |
| __rt = 0; | |
| } | |
| } | |
| return __rt; | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_filebuf<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) | |
| { | |
| return open(__s.c_str(), __mode); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_filebuf<_CharT, _Traits>::close() | |
| { | |
| basic_filebuf<_CharT, _Traits>* __rt = 0; | |
| if (__file_) | |
| { | |
| __rt = this; | |
| unique_ptr<FILE, int(*)(FILE*)> __h(__file_, fclose); | |
| if (sync()) | |
| __rt = 0; | |
| if (fclose(__h.release())) | |
| __rt = 0; | |
| __file_ = 0; | |
| setbuf(0, 0); | |
| } | |
| return __rt; | |
| } | |
| template <class _CharT, class _Traits> | |
| typename basic_filebuf<_CharT, _Traits>::int_type | |
| basic_filebuf<_CharT, _Traits>::underflow() | |
| { | |
| if (__file_ == 0) | |
| return traits_type::eof(); | |
| bool __initial = __read_mode(); | |
| char_type __1buf; | |
| if (this->gptr() == 0) | |
| this->setg(&__1buf, &__1buf+1, &__1buf+1); | |
| const size_t __unget_sz = __initial ? 0 : min<size_t>((this->egptr() - this->eback()) / 2, 4); | |
| int_type __c = traits_type::eof(); | |
| if (this->gptr() == this->egptr()) | |
| { | |
| memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); | |
| if (__always_noconv_) | |
| { | |
| size_t __nmemb = static_cast<size_t>(this->egptr() - this->eback() - __unget_sz); | |
| __nmemb = fread(this->eback() + __unget_sz, 1, __nmemb, __file_); | |
| if (__nmemb != 0) | |
| { | |
| this->setg(this->eback(), | |
| this->eback() + __unget_sz, | |
| this->eback() + __unget_sz + __nmemb); | |
| __c = traits_type::to_int_type(*this->gptr()); | |
| } | |
| } | |
| else | |
| { | |
| _LIBCPP_ASSERT ( !(__extbufnext_ == NULL && (__extbufend_ != __extbufnext_)), "underflow moving from NULL" ); | |
| if (__extbufend_ != __extbufnext_) | |
| memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); | |
| __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); | |
| __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); | |
| size_t __nmemb = _VSTD::min(static_cast<size_t>(__ibs_ - __unget_sz), | |
| static_cast<size_t>(__extbufend_ - __extbufnext_)); | |
| codecvt_base::result __r; | |
| __st_last_ = __st_; | |
| size_t __nr = fread((void*) const_cast<char *>(__extbufnext_), 1, __nmemb, __file_); | |
| if (__nr != 0) | |
| { | |
| if (!__cv_) | |
| __throw_bad_cast(); | |
| __extbufend_ = __extbufnext_ + __nr; | |
| char_type* __inext; | |
| __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, | |
| this->eback() + __unget_sz, | |
| this->eback() + __ibs_, __inext); | |
| if (__r == codecvt_base::noconv) | |
| { | |
| this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, | |
| (char_type*)const_cast<char *>(__extbufend_)); | |
| __c = traits_type::to_int_type(*this->gptr()); | |
| } | |
| else if (__inext != this->eback() + __unget_sz) | |
| { | |
| this->setg(this->eback(), this->eback() + __unget_sz, __inext); | |
| __c = traits_type::to_int_type(*this->gptr()); | |
| } | |
| } | |
| } | |
| } | |
| else | |
| __c = traits_type::to_int_type(*this->gptr()); | |
| if (this->eback() == &__1buf) | |
| this->setg(0, 0, 0); | |
| return __c; | |
| } | |
| template <class _CharT, class _Traits> | |
| typename basic_filebuf<_CharT, _Traits>::int_type | |
| basic_filebuf<_CharT, _Traits>::pbackfail(int_type __c) | |
| { | |
| if (__file_ && this->eback() < this->gptr()) | |
| { | |
| if (traits_type::eq_int_type(__c, traits_type::eof())) | |
| { | |
| this->gbump(-1); | |
| return traits_type::not_eof(__c); | |
| } | |
| if ((__om_ & ios_base::out) || | |
| traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) | |
| { | |
| this->gbump(-1); | |
| *this->gptr() = traits_type::to_char_type(__c); | |
| return __c; | |
| } | |
| } | |
| return traits_type::eof(); | |
| } | |
| template <class _CharT, class _Traits> | |
| typename basic_filebuf<_CharT, _Traits>::int_type | |
| basic_filebuf<_CharT, _Traits>::overflow(int_type __c) | |
| { | |
| if (__file_ == 0) | |
| return traits_type::eof(); | |
| __write_mode(); | |
| char_type __1buf; | |
| char_type* __pb_save = this->pbase(); | |
| char_type* __epb_save = this->epptr(); | |
| if (!traits_type::eq_int_type(__c, traits_type::eof())) | |
| { | |
| if (this->pptr() == 0) | |
| this->setp(&__1buf, &__1buf+1); | |
| *this->pptr() = traits_type::to_char_type(__c); | |
| this->pbump(1); | |
| } | |
| if (this->pptr() != this->pbase()) | |
| { | |
| if (__always_noconv_) | |
| { | |
| size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); | |
| if (fwrite(this->pbase(), sizeof(char_type), __nmemb, __file_) != __nmemb) | |
| return traits_type::eof(); | |
| } | |
| else | |
| { | |
| char* __extbe = __extbuf_; | |
| codecvt_base::result __r; | |
| do | |
| { | |
| if (!__cv_) | |
| __throw_bad_cast(); | |
| const char_type* __e; | |
| __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, | |
| __extbuf_, __extbuf_ + __ebs_, __extbe); | |
| if (__e == this->pbase()) | |
| return traits_type::eof(); | |
| if (__r == codecvt_base::noconv) | |
| { | |
| size_t __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); | |
| if (fwrite(this->pbase(), 1, __nmemb, __file_) != __nmemb) | |
| return traits_type::eof(); | |
| } | |
| else if (__r == codecvt_base::ok || __r == codecvt_base::partial) | |
| { | |
| size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); | |
| if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) | |
| return traits_type::eof(); | |
| if (__r == codecvt_base::partial) | |
| { | |
| this->setp(const_cast<char_type*>(__e), this->pptr()); | |
| this->__pbump(this->epptr() - this->pbase()); | |
| } | |
| } | |
| else | |
| return traits_type::eof(); | |
| } while (__r == codecvt_base::partial); | |
| } | |
| this->setp(__pb_save, __epb_save); | |
| } | |
| return traits_type::not_eof(__c); | |
| } | |
| template <class _CharT, class _Traits> | |
| basic_streambuf<_CharT, _Traits>* | |
| basic_filebuf<_CharT, _Traits>::setbuf(char_type* __s, streamsize __n) | |
| { | |
| this->setg(0, 0, 0); | |
| this->setp(0, 0); | |
| if (__owns_eb_) | |
| delete [] __extbuf_; | |
| if (__owns_ib_) | |
| delete [] __intbuf_; | |
| __ebs_ = __n; | |
| if (__ebs_ > sizeof(__extbuf_min_)) | |
| { | |
| if (__always_noconv_ && __s) | |
| { | |
| __extbuf_ = (char*)__s; | |
| __owns_eb_ = false; | |
| } | |
| else | |
| { | |
| __extbuf_ = new char[__ebs_]; | |
| __owns_eb_ = true; | |
| } | |
| } | |
| else | |
| { | |
| __extbuf_ = __extbuf_min_; | |
| __ebs_ = sizeof(__extbuf_min_); | |
| __owns_eb_ = false; | |
| } | |
| if (!__always_noconv_) | |
| { | |
| __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); | |
| if (__s && __ibs_ >= sizeof(__extbuf_min_)) | |
| { | |
| __intbuf_ = __s; | |
| __owns_ib_ = false; | |
| } | |
| else | |
| { | |
| __intbuf_ = new char_type[__ibs_]; | |
| __owns_ib_ = true; | |
| } | |
| } | |
| else | |
| { | |
| __ibs_ = 0; | |
| __intbuf_ = 0; | |
| __owns_ib_ = false; | |
| } | |
| return this; | |
| } | |
| template <class _CharT, class _Traits> | |
| typename basic_filebuf<_CharT, _Traits>::pos_type | |
| basic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir __way, | |
| ios_base::openmode) | |
| { | |
| if (!__cv_) | |
| __throw_bad_cast(); | |
| int __width = __cv_->encoding(); | |
| if (__file_ == 0 || (__width <= 0 && __off != 0) || sync()) | |
| return pos_type(off_type(-1)); | |
| // __width > 0 || __off == 0 | |
| int __whence; | |
| switch (__way) | |
| { | |
| case ios_base::beg: | |
| __whence = SEEK_SET; | |
| break; | |
| case ios_base::cur: | |
| __whence = SEEK_CUR; | |
| break; | |
| case ios_base::end: | |
| __whence = SEEK_END; | |
| break; | |
| default: | |
| return pos_type(off_type(-1)); | |
| } | |
| #if defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) | |
| if (fseek(__file_, __width > 0 ? __width * __off : 0, __whence)) | |
| return pos_type(off_type(-1)); | |
| pos_type __r = ftell(__file_); | |
| #else | |
| if (fseeko(__file_, __width > 0 ? __width * __off : 0, __whence)) | |
| return pos_type(off_type(-1)); | |
| pos_type __r = ftello(__file_); | |
| #endif | |
| __r.state(__st_); | |
| return __r; | |
| } | |
| template <class _CharT, class _Traits> | |
| typename basic_filebuf<_CharT, _Traits>::pos_type | |
| basic_filebuf<_CharT, _Traits>::seekpos(pos_type __sp, ios_base::openmode) | |
| { | |
| if (__file_ == 0 || sync()) | |
| return pos_type(off_type(-1)); | |
| #if defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) | |
| if (fseek(__file_, __sp, SEEK_SET)) | |
| return pos_type(off_type(-1)); | |
| #else | |
| if (fseeko(__file_, __sp, SEEK_SET)) | |
| return pos_type(off_type(-1)); | |
| #endif | |
| __st_ = __sp.state(); | |
| return __sp; | |
| } | |
| template <class _CharT, class _Traits> | |
| int | |
| basic_filebuf<_CharT, _Traits>::sync() | |
| { | |
| if (__file_ == 0) | |
| return 0; | |
| if (!__cv_) | |
| __throw_bad_cast(); | |
| if (__cm_ & ios_base::out) | |
| { | |
| if (this->pptr() != this->pbase()) | |
| if (overflow() == traits_type::eof()) | |
| return -1; | |
| codecvt_base::result __r; | |
| do | |
| { | |
| char* __extbe; | |
| __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); | |
| size_t __nmemb = static_cast<size_t>(__extbe - __extbuf_); | |
| if (fwrite(__extbuf_, 1, __nmemb, __file_) != __nmemb) | |
| return -1; | |
| } while (__r == codecvt_base::partial); | |
| if (__r == codecvt_base::error) | |
| return -1; | |
| if (fflush(__file_)) | |
| return -1; | |
| } | |
| else if (__cm_ & ios_base::in) | |
| { | |
| off_type __c; | |
| state_type __state = __st_last_; | |
| bool __update_st = false; | |
| if (__always_noconv_) | |
| __c = this->egptr() - this->gptr(); | |
| else | |
| { | |
| int __width = __cv_->encoding(); | |
| __c = __extbufend_ - __extbufnext_; | |
| if (__width > 0) | |
| __c += __width * (this->egptr() - this->gptr()); | |
| else | |
| { | |
| if (this->gptr() != this->egptr()) | |
| { | |
| const int __off = __cv_->length(__state, __extbuf_, | |
| __extbufnext_, | |
| this->gptr() - this->eback()); | |
| __c += __extbufnext_ - __extbuf_ - __off; | |
| __update_st = true; | |
| } | |
| } | |
| } | |
| #if defined(_LIBCPP_HAS_NO_OFF_T_FUNCTIONS) | |
| if (fseek(__file_, -__c, SEEK_CUR)) | |
| return -1; | |
| #else | |
| if (fseeko(__file_, -__c, SEEK_CUR)) | |
| return -1; | |
| #endif | |
| if (__update_st) | |
| __st_ = __state; | |
| __extbufnext_ = __extbufend_ = __extbuf_; | |
| this->setg(0, 0, 0); | |
| __cm_ = 0; | |
| } | |
| return 0; | |
| } | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_filebuf<_CharT, _Traits>::imbue(const locale& __loc) | |
| { | |
| sync(); | |
| __cv_ = &use_facet<codecvt<char_type, char, state_type> >(__loc); | |
| bool __old_anc = __always_noconv_; | |
| __always_noconv_ = __cv_->always_noconv(); | |
| if (__old_anc != __always_noconv_) | |
| { | |
| this->setg(0, 0, 0); | |
| this->setp(0, 0); | |
| // invariant, char_type is char, else we couldn't get here | |
| if (__always_noconv_) // need to dump __intbuf_ | |
| { | |
| if (__owns_eb_) | |
| delete [] __extbuf_; | |
| __owns_eb_ = __owns_ib_; | |
| __ebs_ = __ibs_; | |
| __extbuf_ = (char*)__intbuf_; | |
| __ibs_ = 0; | |
| __intbuf_ = 0; | |
| __owns_ib_ = false; | |
| } | |
| else // need to obtain an __intbuf_. | |
| { // If __extbuf_ is user-supplied, use it, else new __intbuf_ | |
| if (!__owns_eb_ && __extbuf_ != __extbuf_min_) | |
| { | |
| __ibs_ = __ebs_; | |
| __intbuf_ = (char_type*)__extbuf_; | |
| __owns_ib_ = false; | |
| __extbuf_ = new char[__ebs_]; | |
| __owns_eb_ = true; | |
| } | |
| else | |
| { | |
| __ibs_ = __ebs_; | |
| __intbuf_ = new char_type[__ibs_]; | |
| __owns_ib_ = true; | |
| } | |
| } | |
| } | |
| } | |
| template <class _CharT, class _Traits> | |
| bool | |
| basic_filebuf<_CharT, _Traits>::__read_mode() | |
| { | |
| if (!(__cm_ & ios_base::in)) | |
| { | |
| this->setp(0, 0); | |
| if (__always_noconv_) | |
| this->setg((char_type*)__extbuf_, | |
| (char_type*)__extbuf_ + __ebs_, | |
| (char_type*)__extbuf_ + __ebs_); | |
| else | |
| this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); | |
| __cm_ = ios_base::in; | |
| return true; | |
| } | |
| return false; | |
| } | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_filebuf<_CharT, _Traits>::__write_mode() | |
| { | |
| if (!(__cm_ & ios_base::out)) | |
| { | |
| this->setg(0, 0, 0); | |
| if (__ebs_ > sizeof(__extbuf_min_)) | |
| { | |
| if (__always_noconv_) | |
| this->setp((char_type*)__extbuf_, | |
| (char_type*)__extbuf_ + (__ebs_ - 1)); | |
| else | |
| this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); | |
| } | |
| else | |
| this->setp(0, 0); | |
| __cm_ = ios_base::out; | |
| } | |
| } | |
| // basic_ifstream | |
| template <class _CharT, class _Traits> | |
| class _LIBCPP_TEMPLATE_VIS basic_ifstream | |
| : public basic_istream<_CharT, _Traits> | |
| { | |
| public: | |
| typedef _CharT char_type; | |
| typedef _Traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_ifstream(); | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ifstream(const char* __s, ios_base::openmode __mode = ios_base::in); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ifstream(const wchar_t* __s, ios_base::openmode __mode = ios_base::in); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ifstream(const string& __s, ios_base::openmode __mode = ios_base::in); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ifstream(const filesystem::path& __p, ios_base::openmode __mode = ios_base::in) | |
| : basic_ifstream(__p.c_str(), __mode) {} | |
| #endif // _LIBCPP_STD_VER >= 17 | |
| #endif | |
| #ifndef _LIBCPP_CXX03_LANG | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_ifstream(basic_ifstream&& __rhs); | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_ifstream& operator=(basic_ifstream&& __rhs); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| void swap(basic_ifstream& __rhs); | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf<char_type, traits_type>* rdbuf() const; | |
| _LIBCPP_INLINE_VISIBILITY | |
| bool is_open() const; | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| void open(const char* __s, ios_base::openmode __mode = ios_base::in); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| void open(const wchar_t* __s, ios_base::openmode __mode = ios_base::in); | |
| #endif | |
| void open(const string& __s, ios_base::openmode __mode = ios_base::in); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| void open(const filesystem::path& __p, | |
| ios_base::openmode __mode = ios_base::in) { | |
| return open(__p.c_str(), __mode); | |
| } | |
| #endif // _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_INLINE_VISIBILITY | |
| void __open(int __fd, ios_base::openmode __mode); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| void close(); | |
| private: | |
| basic_filebuf<char_type, traits_type> __sb_; | |
| }; | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ifstream<_CharT, _Traits>::basic_ifstream() | |
| : basic_istream<char_type, traits_type>(&__sb_) | |
| { | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ifstream<_CharT, _Traits>::basic_ifstream(const char* __s, ios_base::openmode __mode) | |
| : basic_istream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::in) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ifstream<_CharT, _Traits>::basic_ifstream(const wchar_t* __s, ios_base::openmode __mode) | |
| : basic_istream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::in) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_base::openmode __mode) | |
| : basic_istream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::in) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| #ifndef _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs) | |
| : basic_istream<char_type, traits_type>(_VSTD::move(__rhs)), | |
| __sb_(_VSTD::move(__rhs.__sb_)) | |
| { | |
| this->set_rdbuf(&__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ifstream<_CharT, _Traits>& | |
| basic_ifstream<_CharT, _Traits>::operator=(basic_ifstream&& __rhs) | |
| { | |
| basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); | |
| __sb_ = _VSTD::move(__rhs.__sb_); | |
| return *this; | |
| } | |
| #endif // _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| inline | |
| void | |
| basic_ifstream<_CharT, _Traits>::swap(basic_ifstream& __rhs) | |
| { | |
| basic_istream<char_type, traits_type>::swap(__rhs); | |
| __sb_.swap(__rhs.__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void | |
| swap(basic_ifstream<_CharT, _Traits>& __x, basic_ifstream<_CharT, _Traits>& __y) | |
| { | |
| __x.swap(__y); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_ifstream<_CharT, _Traits>::rdbuf() const | |
| { | |
| return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| bool | |
| basic_ifstream<_CharT, _Traits>::is_open() const | |
| { | |
| return __sb_.is_open(); | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_ifstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::in)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_ifstream<_CharT, _Traits>::open(const wchar_t* __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::in)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_ifstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::in)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| template <class _CharT, class _Traits> | |
| void basic_ifstream<_CharT, _Traits>::__open(int __fd, | |
| ios_base::openmode __mode) { | |
| if (__sb_.__open(__fd, __mode | ios_base::in)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| void | |
| basic_ifstream<_CharT, _Traits>::close() | |
| { | |
| if (__sb_.close() == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| // basic_ofstream | |
| template <class _CharT, class _Traits> | |
| class _LIBCPP_TEMPLATE_VIS basic_ofstream | |
| : public basic_ostream<_CharT, _Traits> | |
| { | |
| public: | |
| typedef _CharT char_type; | |
| typedef _Traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_ofstream(); | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ofstream(const char* __s, ios_base::openmode __mode = ios_base::out); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ofstream(const wchar_t* __s, ios_base::openmode __mode = ios_base::out); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ofstream(const string& __s, ios_base::openmode __mode = ios_base::out); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_ofstream(const filesystem::path& __p, ios_base::openmode __mode = ios_base::out) | |
| : basic_ofstream(__p.c_str(), __mode) {} | |
| #endif // _LIBCPP_STD_VER >= 17 | |
| #ifndef _LIBCPP_CXX03_LANG | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_ofstream(basic_ofstream&& __rhs); | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_ofstream& operator=(basic_ofstream&& __rhs); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| void swap(basic_ofstream& __rhs); | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf<char_type, traits_type>* rdbuf() const; | |
| _LIBCPP_INLINE_VISIBILITY | |
| bool is_open() const; | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| void open(const char* __s, ios_base::openmode __mode = ios_base::out); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| void open(const wchar_t* __s, ios_base::openmode __mode = ios_base::out); | |
| #endif | |
| void open(const string& __s, ios_base::openmode __mode = ios_base::out); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| void open(const filesystem::path& __p, ios_base::openmode __mode = ios_base::out) | |
| { return open(__p.c_str(), __mode); } | |
| #endif // _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_INLINE_VISIBILITY | |
| void __open(int __fd, ios_base::openmode __mode); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| void close(); | |
| private: | |
| basic_filebuf<char_type, traits_type> __sb_; | |
| }; | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ofstream<_CharT, _Traits>::basic_ofstream() | |
| : basic_ostream<char_type, traits_type>(&__sb_) | |
| { | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ofstream<_CharT, _Traits>::basic_ofstream(const char* __s, ios_base::openmode __mode) | |
| : basic_ostream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::out) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ofstream<_CharT, _Traits>::basic_ofstream(const wchar_t* __s, ios_base::openmode __mode) | |
| : basic_ostream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::out) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_base::openmode __mode) | |
| : basic_ostream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::out) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| #ifndef _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs) | |
| : basic_ostream<char_type, traits_type>(_VSTD::move(__rhs)), | |
| __sb_(_VSTD::move(__rhs.__sb_)) | |
| { | |
| this->set_rdbuf(&__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_ofstream<_CharT, _Traits>& | |
| basic_ofstream<_CharT, _Traits>::operator=(basic_ofstream&& __rhs) | |
| { | |
| basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); | |
| __sb_ = _VSTD::move(__rhs.__sb_); | |
| return *this; | |
| } | |
| #endif // _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| inline | |
| void | |
| basic_ofstream<_CharT, _Traits>::swap(basic_ofstream& __rhs) | |
| { | |
| basic_ostream<char_type, traits_type>::swap(__rhs); | |
| __sb_.swap(__rhs.__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void | |
| swap(basic_ofstream<_CharT, _Traits>& __x, basic_ofstream<_CharT, _Traits>& __y) | |
| { | |
| __x.swap(__y); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_ofstream<_CharT, _Traits>::rdbuf() const | |
| { | |
| return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| bool | |
| basic_ofstream<_CharT, _Traits>::is_open() const | |
| { | |
| return __sb_.is_open(); | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_ofstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::out)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_ofstream<_CharT, _Traits>::open(const wchar_t* __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::out)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_ofstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode | ios_base::out)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| template <class _CharT, class _Traits> | |
| void basic_ofstream<_CharT, _Traits>::__open(int __fd, | |
| ios_base::openmode __mode) { | |
| if (__sb_.__open(__fd, __mode | ios_base::out)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| void | |
| basic_ofstream<_CharT, _Traits>::close() | |
| { | |
| if (__sb_.close() == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| // basic_fstream | |
| template <class _CharT, class _Traits> | |
| class _LIBCPP_TEMPLATE_VIS basic_fstream | |
| : public basic_iostream<_CharT, _Traits> | |
| { | |
| public: | |
| typedef _CharT char_type; | |
| typedef _Traits traits_type; | |
| typedef typename traits_type::int_type int_type; | |
| typedef typename traits_type::pos_type pos_type; | |
| typedef typename traits_type::off_type off_type; | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_fstream(); | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_fstream(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_fstream(const wchar_t* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_fstream(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| explicit basic_fstream(const filesystem::path& __p, ios_base::openmode __mode = ios_base::in | ios_base::out) | |
| : basic_fstream(__p.c_str(), __mode) {} | |
| #endif // _LIBCPP_STD_VER >= 17 | |
| #endif | |
| #ifndef _LIBCPP_CXX03_LANG | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_fstream(basic_fstream&& __rhs); | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_fstream& operator=(basic_fstream&& __rhs); | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| void swap(basic_fstream& __rhs); | |
| _LIBCPP_INLINE_VISIBILITY | |
| basic_filebuf<char_type, traits_type>* rdbuf() const; | |
| _LIBCPP_INLINE_VISIBILITY | |
| bool is_open() const; | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| void open(const char* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| void open(const wchar_t* __s, ios_base::openmode __mode = ios_base::in | ios_base::out); | |
| #endif | |
| void open(const string& __s, ios_base::openmode __mode = ios_base::in | ios_base::out); | |
| #if _LIBCPP_STD_VER >= 17 | |
| _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_INLINE_VISIBILITY | |
| void open(const filesystem::path& __p, ios_base::openmode __mode = ios_base::in|ios_base::out) | |
| { return open(__p.c_str(), __mode); } | |
| #endif // _LIBCPP_STD_VER >= 17 | |
| #endif | |
| _LIBCPP_INLINE_VISIBILITY | |
| void close(); | |
| private: | |
| basic_filebuf<char_type, traits_type> __sb_; | |
| }; | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_fstream<_CharT, _Traits>::basic_fstream() | |
| : basic_iostream<char_type, traits_type>(&__sb_) | |
| { | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_fstream<_CharT, _Traits>::basic_fstream(const char* __s, ios_base::openmode __mode) | |
| : basic_iostream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_fstream<_CharT, _Traits>::basic_fstream(const wchar_t* __s, ios_base::openmode __mode) | |
| : basic_iostream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_fstream<_CharT, _Traits>::basic_fstream(const string& __s, ios_base::openmode __mode) | |
| : basic_iostream<char_type, traits_type>(&__sb_) | |
| { | |
| if (__sb_.open(__s, __mode) == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| #ifndef _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs) | |
| : basic_iostream<char_type, traits_type>(_VSTD::move(__rhs)), | |
| __sb_(_VSTD::move(__rhs.__sb_)) | |
| { | |
| this->set_rdbuf(&__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_fstream<_CharT, _Traits>& | |
| basic_fstream<_CharT, _Traits>::operator=(basic_fstream&& __rhs) | |
| { | |
| basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); | |
| __sb_ = _VSTD::move(__rhs.__sb_); | |
| return *this; | |
| } | |
| #endif // _LIBCPP_CXX03_LANG | |
| template <class _CharT, class _Traits> | |
| inline | |
| void | |
| basic_fstream<_CharT, _Traits>::swap(basic_fstream& __rhs) | |
| { | |
| basic_iostream<char_type, traits_type>::swap(__rhs); | |
| __sb_.swap(__rhs.__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline _LIBCPP_INLINE_VISIBILITY | |
| void | |
| swap(basic_fstream<_CharT, _Traits>& __x, basic_fstream<_CharT, _Traits>& __y) | |
| { | |
| __x.swap(__y); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| basic_filebuf<_CharT, _Traits>* | |
| basic_fstream<_CharT, _Traits>::rdbuf() const | |
| { | |
| return const_cast<basic_filebuf<char_type, traits_type>*>(&__sb_); | |
| } | |
| template <class _CharT, class _Traits> | |
| inline | |
| bool | |
| basic_fstream<_CharT, _Traits>::is_open() const | |
| { | |
| return __sb_.is_open(); | |
| } | |
| #ifndef _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_fstream<_CharT, _Traits>::open(const char* __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_fstream<_CharT, _Traits>::open(const wchar_t* __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| void | |
| basic_fstream<_CharT, _Traits>::open(const string& __s, ios_base::openmode __mode) | |
| { | |
| if (__sb_.open(__s, __mode)) | |
| this->clear(); | |
| else | |
| this->setstate(ios_base::failbit); | |
| } | |
| #endif | |
| template <class _CharT, class _Traits> | |
| inline | |
| void | |
| basic_fstream<_CharT, _Traits>::close() | |
| { | |
| if (__sb_.close() == 0) | |
| this->setstate(ios_base::failbit); | |
| } | |
| _LIBCPP_END_NAMESPACE_STD | |
| _LIBCPP_POP_MACROS | |
| #endif // _LIBCPP_FSTREAM |