X-Git-Url: http://git.buserror.net/cgi-bin/gitweb.cgi?p=polintos%2Fscott%2Fpriv.git;a=blobdiff_plain;f=include%2Fc%2B%2B%2Fstl%2Fstl%2F_strstream.h;fp=include%2Fc%2B%2B%2Fstl%2Fstl%2F_strstream.h;h=5e3d4c37dcc55aed89e72056a83458646fa7b177;hp=0000000000000000000000000000000000000000;hb=173d8903eb9d51a4ea7d7fa3e52dc86c9bb6d4f1;hpb=b024710fe2b60cd4a42a8993b61333d6cdb56ca3 diff --git a/include/c++/stl/stl/_strstream.h b/include/c++/stl/stl/_strstream.h new file mode 100644 index 0000000..5e3d4c3 --- /dev/null +++ b/include/c++/stl/stl/_strstream.h @@ -0,0 +1,165 @@ +/* + * Copyright (c) 1999 + * Silicon Graphics Computer Systems, Inc. + * + * Copyright (c) 1999 + * Boris Fomitchev + * + * This material is provided "as is", with absolutely no warranty expressed + * or implied. Any use is at your own risk. + * + * Permission to use or copy this software for any purpose is hereby granted + * without fee, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ +#ifndef _STLP_INTERNAL_STRSTREAM +#define _STLP_INTERNAL_STRSTREAM + +#ifndef _STLP_INTERNAL_STREAMBUF +# include +#endif + +#ifndef _STLP_INTERNAL_ISTREAM +# include // Includes , , +#endif + +#ifndef _STLP_INTERNAL_STRING_H +# include +#endif + +_STLP_BEGIN_NAMESPACE + +#ifndef _STLP_USE_NAMESPACES +# define strstream _STLP_strstream +# define ostrstream _STLP_ostrstream +# define istrstream _STLP_istrstream +# define strstreambuf _STLP_strstreambuf +#endif + +//---------------------------------------------------------------------- +// Class strstreambuf, a streambuf class that manages an array of char. +// Note that this class is not a template. + +class _STLP_CLASS_DECLSPEC strstreambuf : public basic_streambuf > { +public: // Types. + typedef char_traits _Traits; + typedef basic_streambuf > _Base; + typedef void* (*__alloc_fn)(size_t); + typedef void (*__free_fn)(void*); +public: // Constructor, destructor + + explicit strstreambuf(streamsize _Initial_capacity = 0); + + strstreambuf(__alloc_fn, __free_fn); + + strstreambuf(char* __get, streamsize __n, char* __put = 0); + strstreambuf(signed char* __get, streamsize __n, signed char* __put = 0); + strstreambuf(unsigned char* __get, streamsize __n, unsigned char* __put=0); + + strstreambuf(const char* __get, streamsize __n); + strstreambuf(const signed char* __get, streamsize __n); + strstreambuf(const unsigned char* __get, streamsize __n); + + virtual ~strstreambuf(); + +public: // strstreambuf operations. + void freeze(bool = true); + char* str(); + int pcount() const; + +protected: // Overridden virtual member functions. + virtual int_type overflow(int_type __c = _Traits::eof()); + virtual int_type pbackfail(int_type __c = _Traits::eof()); + virtual int_type underflow(); + virtual _Base* setbuf(char* __buf, streamsize __n); + virtual pos_type seekoff(off_type __off, ios_base::seekdir __dir, + ios_base::openmode __mode + = ios_base::in | ios_base::out); + virtual pos_type seekpos(pos_type __pos, ios_base::openmode __mode + = ios_base::in | ios_base::out); + +private: // Helper functions. + // Dynamic allocation, possibly using _M_alloc_fun and _M_free_fun. + char* _M_alloc(size_t); + void _M_free(char*); + + // Helper function used in constructors. + void _M_setup(char* __get, char* __put, streamsize __n); +private: // Data members. + __alloc_fn _M_alloc_fun; + __free_fn _M_free_fun; + bool _M_dynamic : 1; + bool _M_frozen : 1; + bool _M_constant : 1; +}; + +//---------------------------------------------------------------------- +// Class istrstream, an istream that manages a strstreambuf. + +class _STLP_CLASS_DECLSPEC istrstream : public basic_istream > { +public: + explicit istrstream(char*); + explicit istrstream(const char*); + istrstream(char* , streamsize); + istrstream(const char*, streamsize); + virtual ~istrstream(); + + strstreambuf* rdbuf() const; + char* str(); + +private: + strstreambuf _M_buf; +}; + +//---------------------------------------------------------------------- +// Class ostrstream + +class _STLP_CLASS_DECLSPEC ostrstream : public basic_ostream > +{ +public: + ostrstream(); + ostrstream(char*, int, ios_base::openmode = ios_base::out); + virtual ~ostrstream(); + + strstreambuf* rdbuf() const; + void freeze(bool = true); + char* str(); + int pcount() const; + +private: + strstreambuf _M_buf; +}; + +//---------------------------------------------------------------------- +// Class strstream + +class _STLP_CLASS_DECLSPEC strstream : public basic_iostream > { +public: + typedef char char_type; + typedef char_traits::int_type int_type; + typedef char_traits::pos_type pos_type; + typedef char_traits::off_type off_type; + + strstream(); + strstream(char*, int, ios_base::openmode = ios_base::in | ios_base::out); + virtual ~strstream(); + + strstreambuf* rdbuf() const; + void freeze(bool = true); + int pcount() const; + char* str(); + +private: + strstreambuf _M_buf; + + //explicitely defined as private to avoid warnings: + strstream(strstream const&); + strstream& operator = (strstream const&); +}; + +_STLP_END_NAMESPACE + +#endif /* _STLP_INTERNAL_STRSTREAM */