1b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner//===----------------------------------------------------------------------===// 2b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 3b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// The LLVM Compiler Infrastructure 4b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 5b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// This file is dual licensed under the MIT and the University of Illinois Open 6b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// Source Licenses. See LICENSE.TXT for details. 7b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// 8b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner//===----------------------------------------------------------------------===// 9b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 10b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// <ostream> 11b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 12b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// template <class charT, class traits = char_traits<charT> > 13b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// class basic_ostream; 14b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 15b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner// basic_ostream<charT,traits>& operator<<(basic_streambuf<charT,traits>* sb); 16b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 17b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#include <ostream> 18b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner#include <cassert> 19b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 20b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnertemplate <class CharT> 21b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnerclass testbuf 22b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner : public std::basic_streambuf<CharT> 23b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner{ 24b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner typedef std::basic_streambuf<CharT> base; 25b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::basic_string<CharT> str_; 26b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnerpublic: 27b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner testbuf() 28b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 29b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 30b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner testbuf(const std::basic_string<CharT>& str) 31b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner : str_(str) 32b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 33b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner base::setg(const_cast<CharT*>(str_.data()), 34b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner const_cast<CharT*>(str_.data()), 35b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner const_cast<CharT*>(str_.data() + str_.size())); 36b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 37b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 38b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::basic_string<CharT> str() const 39b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner {return std::basic_string<CharT>(base::pbase(), base::pptr());} 40b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 41b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnerprotected: 42b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 43b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner virtual typename base::int_type 44b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner overflow(typename base::int_type __c = base::traits_type::eof()) 45b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 46b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner if (__c != base::traits_type::eof()) 47b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 48b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner int n = str_.size(); 49b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner str_.push_back(__c); 50b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner str_.resize(str_.capacity()); 51b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner base::setp(const_cast<CharT*>(str_.data()), 52b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner const_cast<CharT*>(str_.data() + str_.size())); 53b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner base::pbump(n+1); 54b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 55b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner return __c; 56b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 57b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner}; 58b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner 59b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turnerint main() 60b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner{ 61b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner { 62b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner testbuf<char> sb; 63b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner std::ostream os(&sb); 64b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner testbuf<char> sb2("testing..."); 65b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.str() == ""); 66b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner os << &sb2; 67b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner assert(sb.str() == "testing..."); 68b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner } 69b9a36c36f4b257de79bd656aefa7bfde40cedb0fDavid 'Digit' Turner} 70