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Diffstat (limited to 'contrib/libstdc++/sstream')
| -rw-r--r-- | contrib/libstdc++/sstream | 343 |
1 files changed, 0 insertions, 343 deletions
diff --git a/contrib/libstdc++/sstream b/contrib/libstdc++/sstream deleted file mode 100644 index 45393b1..0000000 --- a/contrib/libstdc++/sstream +++ /dev/null @@ -1,343 +0,0 @@ -/* This is part of libio/iostream, providing -*- C++ -*- input/output. -Copyright (C) 2000 Free Software Foundation - -This file is part of the GNU IO 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 2, 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. - -You should have received a copy of the GNU General Public License -along with this library; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -As a special exception, if you link this library with files -compiled with a GNU compiler to produce an executable, this does not cause -the resulting executable to be covered by the GNU General Public License. -This exception does not however invalidate any other reasons why -the executable file might be covered by the GNU General Public License. */ - -/* Written by Magnus Fromreide (magfr@lysator.liu.se). */ -/* seekoff and ideas for overflow is largely borrowed from libstdc++-v3 */ - -#ifndef __SSTREAM__ -#define __SSTREAM__ - -#include <iostream.h> -#include <streambuf.h> -#include <string> - -namespace std -{ - class stringbuf : public streambuf - { - public: - typedef char char_type; - typedef int int_type; - typedef streampos pos_type; - typedef streamoff off_type; - - explicit - stringbuf(int which=ios::in|ios::out) - : streambuf(), mode(static_cast<ios::open_mode>(which)), - stream(NULL), stream_len(0) - { - stringbuf_init(); - } - - explicit - stringbuf(const string &str, int which=ios::in|ios::out) - : streambuf(), mode(static_cast<ios::open_mode>(which)), - stream(NULL), stream_len(0) - { - if (mode & (ios::in|ios::out)) - { - stream_len = str.size(); - stream = new char_type[stream_len]; - str.copy(stream, stream_len); - } - stringbuf_init(); - } - - virtual - ~stringbuf() - { - delete[] stream; - } - - string - str() const - { - if (pbase() != 0) - return string(stream, pptr()-pbase()); - else - return string(); - } - - void - str(const string& str) - { - delete[] stream; - stream_len = str.size(); - stream = new char_type[stream_len]; - str.copy(stream, stream_len); - stringbuf_init(); - } - - protected: - // The buffer is already in gptr, so if it ends then it is out of data. - virtual int - underflow() - { - return EOF; - } - - virtual int - overflow(int c = EOF) - { - int res; - if (mode & ios::out) - { - if (c != EOF) - { - streamsize old_stream_len = stream_len; - stream_len += 1; - char_type* new_stream = new char_type[stream_len]; - memcpy(new_stream, stream, old_stream_len); - delete[] stream; - stream = new_stream; - stringbuf_sync(gptr()-eback(), pptr()-pbase()); - sputc(c); - res = c; - } - else - res = EOF; - } - else - res = 0; - return res; - } - - virtual streambuf* - setbuf(char_type* s, streamsize n) - { - if (n != 0) - { - delete[] stream; - stream = new char_type[n]; - memcpy(stream, s, n); - stream_len = n; - stringbuf_sync(0, 0); - } - return this; - } - - virtual pos_type - seekoff(off_type off, ios::seek_dir way, int which = ios::in | ios::out) - { - pos_type ret = pos_type(off_type(-1)); - bool testin = which & ios::in && mode & ios::in; - bool testout = which & ios::out && mode & ios::out; - bool testboth = testin && testout && way != ios::cur; - - if (stream_len && ((testin != testout) || testboth)) - { - char_type* beg = stream; - char_type* curi = NULL; - char_type* curo = NULL; - char_type* endi = NULL; - char_type* endo = NULL; - - if (testin) - { - curi = gptr(); - endi = egptr(); - } - if (testout) - { - curo = pptr(); - endo = epptr(); - } - - off_type newoffi = 0; - off_type newoffo = 0; - if (way == ios::beg) - { - newoffi = beg - curi; - newoffo = beg - curo; - } - else if (way == ios::end) - { - newoffi = endi - curi; - newoffo = endo - curo; - } - - if (testin && newoffi + off + curi - beg >= 0 && - endi - beg >= newoffi + off + curi - beg) - { - gbump(newoffi + off); - ret = pos_type(newoffi + off + curi); - } - if (testout && newoffo + off + curo - beg >= 0 && - endo - beg >= newoffo + off + curo - beg) - { - pbump(newoffo + off); - ret = pos_type(newoffo + off + curo); - } - } - return ret; - } - - virtual pos_type - seekpos(pos_type sp, int which = ios::in | ios::out) - { - pos_type ret = seekoff(sp, ios::beg, which); - return ret; - } - - private: - void - stringbuf_sync(streamsize i, streamsize o) - { - if (mode & ios::in) - setg(stream, stream + i, stream + stream_len); - if (mode & ios::out) - { - setp(stream, stream + stream_len); - pbump(o); - } - } - void - stringbuf_init() - { - if (mode & ios::ate) - stringbuf_sync(0, stream_len); - else - stringbuf_sync(0, 0); - } - - private: - ios::open_mode mode; - char_type* stream; - streamsize stream_len; - }; - - class istringstream : public istream { - public: - typedef char char_type; - typedef int int_type; - typedef streampos pos_type; - typedef streamoff off_type; - - explicit - istringstream(int which=ios::in) - : istream(&sb), sb(which | ios::in) - { } - - explicit - istringstream(const string& str, int which=ios::in) - : istream(&sb), sb(str, which | ios::in) - { } - - stringbuf* - rdbuf() const - { - return const_cast<stringbuf*>(&sb); - } - - string - str() const - { - return rdbuf()->str(); - } - void - str(const string& s) - { - rdbuf()->str(s); - } - private: - stringbuf sb; - }; - - class ostringstream : public ostream { - public: - typedef char char_type; - typedef int int_type; - typedef streampos pos_type; - typedef streamoff off_type; - - explicit - ostringstream(int which=ios::out) - : ostream(&sb), sb(which | ios::out) - { } - - explicit - ostringstream(const string& str, int which=ios::out) - : ostream(&sb), sb(str, which | ios::out) - { } - - stringbuf* - rdbuf() const - { - return const_cast<stringbuf*>(&sb); - } - - string - str() const - { - return rdbuf()->str(); - } - - void str(const string& s) - { - rdbuf()->str(s); - } - private: - stringbuf sb; - }; - - class stringstream : public iostream { - public: - typedef char char_type; - typedef int int_type; - typedef streampos pos_type; - typedef streamoff off_type; - - explicit - stringstream(int which=ios::out|ios::in) - : iostream(&sb), sb(which) - { } - - explicit - stringstream(const string& str, int which=ios::out|ios::in) - : iostream(&sb), sb(str, which) - { } - - stringbuf* - rdbuf() const - { - return const_cast<stringbuf*>(&sb); - } - - string - str() const - { - return rdbuf()->str(); - } - - void - str(const string& s) - { - rdbuf()->str(s); - } - private: - stringbuf sb; - }; -}; - -#endif /* not __STRSTREAM__ */ |
