diff options
Diffstat (limited to 'indra/llcommon/llfile.cpp')
| -rwxr-xr-x | indra/llcommon/llfile.cpp | 170 |
1 files changed, 150 insertions, 20 deletions
diff --git a/indra/llcommon/llfile.cpp b/indra/llcommon/llfile.cpp index ab432a923d..295c97eac8 100755 --- a/indra/llcommon/llfile.cpp +++ b/indra/llcommon/llfile.cpp @@ -424,26 +424,6 @@ LLFILE * LLFile::_Fiopen(const std::string& filename, /************** llstdio file buffer ********************************/ -//llstdio_filebuf* llstdio_filebuf::open(const char *_Filename, -// ios_base::openmode _Mode) -//{ -//#if LL_WINDOWS -// _Filet *_File; -// if (is_open() || (_File = LLFILE::_Fiopen(_Filename, _Mode)) == 0) -// return (0); // open failed -// -// _Init(_File, _Openfl); -// _Initcvt(&_USE(_Mysb::getloc(), _Cvt)); -// return (this); // open succeeded -//#else -// std::filebuf* _file = std::filebuf::open(_Filename, _Mode); -// if (NULL == _file) return NULL; -// return this; -//#endif -//} - - -// *TODO: Seek the underlying c stream for better cross-platform compatibility? #if !LL_WINDOWS llstdio_filebuf::int_type llstdio_filebuf::overflow(llstdio_filebuf::int_type __c) { @@ -865,3 +845,153 @@ int llstdio_filebuf::sync() } #endif +#if LL_WINDOWS +/************** input file stream ********************************/ + +llifstream::llifstream() : + _M_filebuf(), + std::istream(&_M_filebuf) +{ +} + +// explicit +llifstream::llifstream(const std::string& _Filename, + ios_base::openmode _Mode) : + _M_filebuf(), + std::istream(&_M_filebuf) +{ + llutf16string wideName = utf8str_to_utf16str( _Filename ); + if (_M_filebuf.open(wideName.c_str(), _Mode | ios_base::in) == 0) + { + _Myios::setstate(ios_base::failbit); + } +} + +// explicit +llifstream::llifstream(const char* _Filename, + ios_base::openmode _Mode) : + _M_filebuf(), + std::istream(&_M_filebuf) +{ + llutf16string wideName = utf8str_to_utf16str( _Filename ); + if (_M_filebuf.open(wideName.c_str(), _Mode | ios_base::in) == 0) + { + _Myios::setstate(ios_base::failbit); + } +} + +bool llifstream::is_open() const +{ // test if C stream has been opened + return _M_filebuf.is_open(); +} + +void llifstream::open(const char* _Filename, ios_base::openmode _Mode) +{ // open a C stream with specified mode + llutf16string wideName = utf8str_to_utf16str( _Filename ); + if (_M_filebuf.open( wideName.c_str(), _Mode | ios_base::in) == 0) + { + _Myios::setstate(ios_base::failbit); + } + else + { + _Myios::clear(); + } +} + +void llifstream::close() +{ // close the C stream + if (_M_filebuf.close() == 0) + { + _Myios::setstate(ios_base::failbit); + } +} + + +/************** output file stream ********************************/ + + +llofstream::llofstream() : + _M_filebuf(), + std::ostream(&_M_filebuf) +{ +} + +// explicit +llofstream::llofstream(const std::string& _Filename, + ios_base::openmode _Mode) : + _M_filebuf(), + std::ostream(&_M_filebuf) +{ + llutf16string wideName = utf8str_to_utf16str( _Filename ); + if (_M_filebuf.open( wideName.c_str(), _Mode | ios_base::out) == 0) + { + _Myios::setstate(ios_base::failbit); + } +} + +// explicit +llofstream::llofstream(const char* _Filename, + ios_base::openmode _Mode) : + _M_filebuf(), + std::ostream(&_M_filebuf) +{ + llutf16string wideName = utf8str_to_utf16str( _Filename ); + if (_M_filebuf.open( wideName.c_str(), _Mode | ios_base::out) == 0) + { + _Myios::setstate(ios_base::failbit); + } +} + +bool llofstream::is_open() const +{ // test if C stream has been opened + return _M_filebuf.is_open(); +} + +void llofstream::open(const char* _Filename, ios_base::openmode _Mode) +{ // open a C stream with specified mode + llutf16string wideName = utf8str_to_utf16str( _Filename ); + if (_M_filebuf.open( wideName.c_str(), _Mode | ios_base::out) == 0) + { + _Myios::setstate(ios_base::failbit); + } + else + { + _Myios::clear(); + } +} + +void llofstream::close() +{ // close the C stream + if (_M_filebuf.close() == 0) + { + _Myios::setstate(ios_base::failbit); + } +} + +/************** helper functions ********************************/ + +std::streamsize llifstream_size(llifstream& ifstr) +{ + if(!ifstr.is_open()) return 0; + std::streampos pos_old = ifstr.tellg(); + ifstr.seekg(0, ios_base::beg); + std::streampos pos_beg = ifstr.tellg(); + ifstr.seekg(0, ios_base::end); + std::streampos pos_end = ifstr.tellg(); + ifstr.seekg(pos_old, ios_base::beg); + return pos_end - pos_beg; +} + +std::streamsize llofstream_size(llofstream& ofstr) +{ + if(!ofstr.is_open()) return 0; + std::streampos pos_old = ofstr.tellp(); + ofstr.seekp(0, ios_base::beg); + std::streampos pos_beg = ofstr.tellp(); + ofstr.seekp(0, ios_base::end); + std::streampos pos_end = ofstr.tellp(); + ofstr.seekp(pos_old, ios_base::beg); + return pos_end - pos_beg; +} + +#endif // LL_WINDOWS |