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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/std/sstream')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/std/sstream | 576 |
1 files changed, 0 insertions, 576 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/std/sstream b/gcc-4.4.3/libstdc++-v3/include/std/sstream deleted file mode 100644 index f5e3191c4..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/std/sstream +++ /dev/null @@ -1,576 +0,0 @@ -// String based streams -*- C++ -*- - -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, -// 2006, 2008, 2009 Free Software Foundation, Inc. -// -// This file is part of the GNU ISO C++ Library. This library is free -// software; you can redistribute it and/or modify it under the -// terms of the GNU General Public License as published by the -// Free Software Foundation; either version 3, or (at your option) -// any later version. - -// This library is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. - -// Under Section 7 of GPL version 3, you are granted additional -// permissions described in the GCC Runtime Library Exception, version -// 3.1, as published by the Free Software Foundation. - -// You should have received a copy of the GNU General Public License and -// a copy of the GCC Runtime Library Exception along with this program; -// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -// <http://www.gnu.org/licenses/>. - -/** @file sstream - * This is a Standard C++ Library header. - */ - -// -// ISO C++ 14882: 27.7 String-based streams -// - -#ifndef _GLIBCXX_SSTREAM -#define _GLIBCXX_SSTREAM 1 - -#pragma GCC system_header - -#include <istream> -#include <ostream> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - // [27.7.1] template class basic_stringbuf - /** - * @brief The actual work of input and output (for std::string). - * @ingroup io - * - * This class associates either or both of its input and output sequences - * with a sequence of characters, which can be initialized from, or made - * available as, a @c std::basic_string. (Paraphrased from [27.7.1]/1.) - * - * For this class, open modes (of type @c ios_base::openmode) have - * @c in set if the input sequence can be read, and @c out set if the - * output sequence can be written. - */ - template<typename _CharT, typename _Traits, typename _Alloc> - class basic_stringbuf : public basic_streambuf<_CharT, _Traits> - { - public: - // Types: - typedef _CharT char_type; - typedef _Traits traits_type; - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 251. basic_stringbuf missing allocator_type - typedef _Alloc allocator_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 basic_streambuf<char_type, traits_type> __streambuf_type; - typedef basic_string<char_type, _Traits, _Alloc> __string_type; - typedef typename __string_type::size_type __size_type; - - protected: - /// Place to stash in || out || in | out settings for current stringbuf. - ios_base::openmode _M_mode; - - // Data Members: - __string_type _M_string; - - public: - // Constructors: - /** - * @brief Starts with an empty string buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * The default constructor initializes the parent class using its - * own default ctor. - */ - explicit - basic_stringbuf(ios_base::openmode __mode = ios_base::in | ios_base::out) - : __streambuf_type(), _M_mode(__mode), _M_string() - { } - - /** - * @brief Starts with an existing string buffer. - * @param str A string to copy as a starting buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * This constructor initializes the parent class using its - * own default ctor. - */ - explicit - basic_stringbuf(const __string_type& __str, - ios_base::openmode __mode = ios_base::in | ios_base::out) - : __streambuf_type(), _M_mode(), _M_string(__str.data(), __str.size()) - { _M_stringbuf_init(__mode); } - - // Get and set: - /** - * @brief Copying out the string buffer. - * @return A copy of one of the underlying sequences. - * - * "If the buffer is only created in input mode, the underlying - * character sequence is equal to the input sequence; otherwise, it - * is equal to the output sequence." [27.7.1.2]/1 - */ - __string_type - str() const - { - __string_type __ret; - if (this->pptr()) - { - // The current egptr() may not be the actual string end. - if (this->pptr() > this->egptr()) - __ret = __string_type(this->pbase(), this->pptr()); - else - __ret = __string_type(this->pbase(), this->egptr()); - } - else - __ret = _M_string; - return __ret; - } - - /** - * @brief Setting a new buffer. - * @param s The string to use as a new sequence. - * - * Deallocates any previous stored sequence, then copies @a s to - * use as a new one. - */ - void - str(const __string_type& __s) - { - // Cannot use _M_string = __s, since v3 strings are COW. - _M_string.assign(__s.data(), __s.size()); - _M_stringbuf_init(_M_mode); - } - - protected: - // Common initialization code goes here. - void - _M_stringbuf_init(ios_base::openmode __mode) - { - _M_mode = __mode; - __size_type __len = 0; - if (_M_mode & (ios_base::ate | ios_base::app)) - __len = _M_string.size(); - _M_sync(const_cast<char_type*>(_M_string.data()), 0, __len); - } - - virtual streamsize - showmanyc() - { - streamsize __ret = -1; - if (_M_mode & ios_base::in) - { - _M_update_egptr(); - __ret = this->egptr() - this->gptr(); - } - return __ret; - } - - virtual int_type - underflow(); - - virtual int_type - pbackfail(int_type __c = traits_type::eof()); - - virtual int_type - overflow(int_type __c = traits_type::eof()); - - /** - * @brief Manipulates the buffer. - * @param s Pointer to a buffer area. - * @param n Size of @a s. - * @return @c this - * - * If no buffer has already been created, and both @a s and @a n are - * non-zero, then @c s is used as a buffer; see - * http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch25s02.html - * for more. - */ - virtual __streambuf_type* - setbuf(char_type* __s, streamsize __n) - { - if (__s && __n >= 0) - { - // This is implementation-defined behavior, and assumes - // that an external char_type array of length __n exists - // and has been pre-allocated. If this is not the case, - // things will quickly blow up. - - // Step 1: Destroy the current internal array. - _M_string.clear(); - - // Step 2: Use the external array. - _M_sync(__s, __n, 0); - } - return this; - } - - virtual pos_type - seekoff(off_type __off, ios_base::seekdir __way, - ios_base::openmode __mode = ios_base::in | ios_base::out); - - virtual pos_type - seekpos(pos_type __sp, - ios_base::openmode __mode = ios_base::in | ios_base::out); - - // Internal function for correctly updating the internal buffer - // for a particular _M_string, due to initialization or re-sizing - // of an existing _M_string. - void - _M_sync(char_type* __base, __size_type __i, __size_type __o); - - // Internal function for correctly updating egptr() to the actual - // string end. - void - _M_update_egptr() - { - const bool __testin = _M_mode & ios_base::in; - if (this->pptr() && this->pptr() > this->egptr()) - { - if (__testin) - this->setg(this->eback(), this->gptr(), this->pptr()); - else - this->setg(this->pptr(), this->pptr(), this->pptr()); - } - } - }; - - - // [27.7.2] Template class basic_istringstream - /** - * @brief Controlling input for std::string. - * @ingroup io - * - * This class supports reading from objects of type std::basic_string, - * using the inherited functions from std::basic_istream. To control - * the associated sequence, an instance of std::basic_stringbuf is used, - * which this page refers to as @c sb. - */ - template<typename _CharT, typename _Traits, typename _Alloc> - class basic_istringstream : public basic_istream<_CharT, _Traits> - { - public: - // Types: - typedef _CharT char_type; - typedef _Traits traits_type; - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 251. basic_stringbuf missing allocator_type - typedef _Alloc allocator_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; - - // Non-standard types: - typedef basic_string<_CharT, _Traits, _Alloc> __string_type; - typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type; - typedef basic_istream<char_type, traits_type> __istream_type; - - private: - __stringbuf_type _M_stringbuf; - - public: - // Constructors: - /** - * @brief Default constructor starts with an empty string buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * @c ios_base::in is automatically included in @a mode. - * - * Initializes @c sb using @c mode|in, and passes @c &sb to the base - * class initializer. Does not allocate any buffer. - * - * That's a lie. We initialize the base class with NULL, because the - * string class does its own memory management. - */ - explicit - basic_istringstream(ios_base::openmode __mode = ios_base::in) - : __istream_type(), _M_stringbuf(__mode | ios_base::in) - { this->init(&_M_stringbuf); } - - /** - * @brief Starts with an existing string buffer. - * @param str A string to copy as a starting buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * @c ios_base::in is automatically included in @a mode. - * - * Initializes @c sb using @a str and @c mode|in, and passes @c &sb - * to the base class initializer. - * - * That's a lie. We initialize the base class with NULL, because the - * string class does its own memory management. - */ - explicit - basic_istringstream(const __string_type& __str, - ios_base::openmode __mode = ios_base::in) - : __istream_type(), _M_stringbuf(__str, __mode | ios_base::in) - { this->init(&_M_stringbuf); } - - /** - * @brief The destructor does nothing. - * - * The buffer is deallocated by the stringbuf object, not the - * formatting stream. - */ - ~basic_istringstream() - { } - - // Members: - /** - * @brief Accessing the underlying buffer. - * @return The current basic_stringbuf buffer. - * - * This hides both signatures of std::basic_ios::rdbuf(). - */ - __stringbuf_type* - rdbuf() const - { return const_cast<__stringbuf_type*>(&_M_stringbuf); } - - /** - * @brief Copying out the string buffer. - * @return @c rdbuf()->str() - */ - __string_type - str() const - { return _M_stringbuf.str(); } - - /** - * @brief Setting a new buffer. - * @param s The string to use as a new sequence. - * - * Calls @c rdbuf()->str(s). - */ - void - str(const __string_type& __s) - { _M_stringbuf.str(__s); } - }; - - - // [27.7.3] Template class basic_ostringstream - /** - * @brief Controlling output for std::string. - * @ingroup io - * - * This class supports writing to objects of type std::basic_string, - * using the inherited functions from std::basic_ostream. To control - * the associated sequence, an instance of std::basic_stringbuf is used, - * which this page refers to as @c sb. - */ - template <typename _CharT, typename _Traits, typename _Alloc> - class basic_ostringstream : public basic_ostream<_CharT, _Traits> - { - public: - // Types: - typedef _CharT char_type; - typedef _Traits traits_type; - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 251. basic_stringbuf missing allocator_type - typedef _Alloc allocator_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; - - // Non-standard types: - typedef basic_string<_CharT, _Traits, _Alloc> __string_type; - typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type; - typedef basic_ostream<char_type, traits_type> __ostream_type; - - private: - __stringbuf_type _M_stringbuf; - - public: - // Constructors/destructor: - /** - * @brief Default constructor starts with an empty string buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * @c ios_base::out is automatically included in @a mode. - * - * Initializes @c sb using @c mode|out, and passes @c &sb to the base - * class initializer. Does not allocate any buffer. - * - * That's a lie. We initialize the base class with NULL, because the - * string class does its own memory management. - */ - explicit - basic_ostringstream(ios_base::openmode __mode = ios_base::out) - : __ostream_type(), _M_stringbuf(__mode | ios_base::out) - { this->init(&_M_stringbuf); } - - /** - * @brief Starts with an existing string buffer. - * @param str A string to copy as a starting buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * @c ios_base::out is automatically included in @a mode. - * - * Initializes @c sb using @a str and @c mode|out, and passes @c &sb - * to the base class initializer. - * - * That's a lie. We initialize the base class with NULL, because the - * string class does its own memory management. - */ - explicit - basic_ostringstream(const __string_type& __str, - ios_base::openmode __mode = ios_base::out) - : __ostream_type(), _M_stringbuf(__str, __mode | ios_base::out) - { this->init(&_M_stringbuf); } - - /** - * @brief The destructor does nothing. - * - * The buffer is deallocated by the stringbuf object, not the - * formatting stream. - */ - ~basic_ostringstream() - { } - - // Members: - /** - * @brief Accessing the underlying buffer. - * @return The current basic_stringbuf buffer. - * - * This hides both signatures of std::basic_ios::rdbuf(). - */ - __stringbuf_type* - rdbuf() const - { return const_cast<__stringbuf_type*>(&_M_stringbuf); } - - /** - * @brief Copying out the string buffer. - * @return @c rdbuf()->str() - */ - __string_type - str() const - { return _M_stringbuf.str(); } - - /** - * @brief Setting a new buffer. - * @param s The string to use as a new sequence. - * - * Calls @c rdbuf()->str(s). - */ - void - str(const __string_type& __s) - { _M_stringbuf.str(__s); } - }; - - - // [27.7.4] Template class basic_stringstream - /** - * @brief Controlling input and output for std::string. - * @ingroup io - * - * This class supports reading from and writing to objects of type - * std::basic_string, using the inherited functions from - * std::basic_iostream. To control the associated sequence, an instance - * of std::basic_stringbuf is used, which this page refers to as @c sb. - */ - template <typename _CharT, typename _Traits, typename _Alloc> - class basic_stringstream : public basic_iostream<_CharT, _Traits> - { - public: - // Types: - typedef _CharT char_type; - typedef _Traits traits_type; - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 251. basic_stringbuf missing allocator_type - typedef _Alloc allocator_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; - - // Non-standard Types: - typedef basic_string<_CharT, _Traits, _Alloc> __string_type; - typedef basic_stringbuf<_CharT, _Traits, _Alloc> __stringbuf_type; - typedef basic_iostream<char_type, traits_type> __iostream_type; - - private: - __stringbuf_type _M_stringbuf; - - public: - // Constructors/destructors - /** - * @brief Default constructor starts with an empty string buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * Initializes @c sb using @c mode, and passes @c &sb to the base - * class initializer. Does not allocate any buffer. - * - * That's a lie. We initialize the base class with NULL, because the - * string class does its own memory management. - */ - explicit - basic_stringstream(ios_base::openmode __m = ios_base::out | ios_base::in) - : __iostream_type(), _M_stringbuf(__m) - { this->init(&_M_stringbuf); } - - /** - * @brief Starts with an existing string buffer. - * @param str A string to copy as a starting buffer. - * @param mode Whether the buffer can read, or write, or both. - * - * Initializes @c sb using @a str and @c mode, and passes @c &sb - * to the base class initializer. - * - * That's a lie. We initialize the base class with NULL, because the - * string class does its own memory management. - */ - explicit - basic_stringstream(const __string_type& __str, - ios_base::openmode __m = ios_base::out | ios_base::in) - : __iostream_type(), _M_stringbuf(__str, __m) - { this->init(&_M_stringbuf); } - - /** - * @brief The destructor does nothing. - * - * The buffer is deallocated by the stringbuf object, not the - * formatting stream. - */ - ~basic_stringstream() - { } - - // Members: - /** - * @brief Accessing the underlying buffer. - * @return The current basic_stringbuf buffer. - * - * This hides both signatures of std::basic_ios::rdbuf(). - */ - __stringbuf_type* - rdbuf() const - { return const_cast<__stringbuf_type*>(&_M_stringbuf); } - - /** - * @brief Copying out the string buffer. - * @return @c rdbuf()->str() - */ - __string_type - str() const - { return _M_stringbuf.str(); } - - /** - * @brief Setting a new buffer. - * @param s The string to use as a new sequence. - * - * Calls @c rdbuf()->str(s). - */ - void - str(const __string_type& __s) - { _M_stringbuf.str(__s); } - }; - -_GLIBCXX_END_NAMESPACE - -#ifndef _GLIBCXX_EXPORT_TEMPLATE -# include <bits/sstream.tcc> -#endif - -#endif /* _GLIBCXX_SSTREAM */ |