diff options
Diffstat (limited to 'htk_io/src/KaldiLib/StkStream.tcc')
| -rw-r--r-- | htk_io/src/KaldiLib/StkStream.tcc | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/htk_io/src/KaldiLib/StkStream.tcc b/htk_io/src/KaldiLib/StkStream.tcc new file mode 100644 index 0000000..e3de1ae --- /dev/null +++ b/htk_io/src/KaldiLib/StkStream.tcc @@ -0,0 +1,228 @@ +#ifndef TNet_StkStream_tcc +#define TNet_StkStream_tcc + +#include <cstring> +#include <iostream> + +#include "Common.h" + +#pragma GCC system_header + +namespace TNet +{ + + //****************************************************************************** + template< + typename _CharT, + typename _Traits + > + basic_stkbuf<_CharT, _Traits> * + basic_stkbuf<_CharT, _Traits>:: + close(void) + { + // we only want to close an opened file + if (this->is_open()) + { + // we want to call the parent close() procedure + std::basic_filebuf<_CharT, _Traits>::close(); + + // and for different stream type we perform different closing + if (mStreamType == basic_stkbuf::t_file) + { + fclose(mpFilePtr); + } + else if (mStreamType == basic_stkbuf::t_pipe) + { + pclose(mpFilePtr); + } + else if (mStreamType == basic_stkbuf::t_stdio) + { + + } + + mpFilePtr = NULL; + mFilename = ""; + mMode = std::ios_base::openmode(0); + mStreamType = basic_stkbuf::t_undef; + return this; + } + else + return 0; + } + + + template< + typename _CharT, + typename _Traits + > + void + basic_stkbuf<_CharT, _Traits>:: + open_mode(std::ios_base::openmode __mode, int&, int&, char* __c_mode) + { + bool __testb = __mode & std::ios_base::binary; + bool __testi = __mode & std::ios_base::in; + bool __testo = __mode & std::ios_base::out; + bool __testt = __mode & std::ios_base::trunc; + bool __testa = __mode & std::ios_base::app; + + if (!__testi && __testo && !__testt && !__testa) + strcpy(__c_mode, "w"); + if (!__testi && __testo && !__testt && __testa) + strcpy(__c_mode, "a"); + if (!__testi && __testo && __testt && !__testa) + strcpy(__c_mode, "w"); + if (__testi && !__testo && !__testt && !__testa) + strcpy(__c_mode, "r"); + if (__testi && __testo && !__testt && !__testa) + strcpy(__c_mode, "r+"); + if (__testi && __testo && __testt && !__testa) + strcpy(__c_mode, "w+"); + if (__testb) + strcat(__c_mode, "b"); + } + + + //****************************************************************************** + template< + typename _CharT, + typename _Traits + > + basic_stkbuf<_CharT, _Traits> * + basic_stkbuf<_CharT, _Traits>:: + open(const char* pFName, std::ios::openmode m, const char* pFilter) + { + basic_stkbuf<_CharT, _Traits>* p_ret = NULL; + + if (NULL == pFName) + return NULL; + + // we need to assure, that the stream is not open + if (!this->is_open()) + { + char mstr[4] = {'\0', '\0', '\0', '\0'}; + int __p_mode = 0; + int __rw_mode = 0; + + // now we decide, what kind of file we open + if (!strcmp(pFName,"-")) + { + if ((m & std::ios::in) && !(m & std::ios::out)) + { + mpFilePtr = stdin; + mMode = std::ios::in; + mFilename = pFName; + mStreamType = t_stdio; + p_ret = this; + } + else if ((m & std::ios::out) && !(m & std::ios::in)) + { + mpFilePtr = stdout; + mMode = std::ios::out; + mFilename = pFName; + mStreamType = t_stdio; + p_ret = this; + } + else + p_ret = NULL; + } + else if ( pFName[0] == '|' ) + { + const char* command = pFName + 1; + + if ((m & std::ios::in) && !(m & std::ios::out)) m = std::ios::in; + else if ((m & std::ios::out) && !(m & std::ios::in)) m = std::ios::out; + else return NULL; + + // we need to make some conversion + // iostream -> stdio open mode string + this->open_mode(m, __p_mode, __rw_mode, mstr); + + if ((mpFilePtr = popen(command, mstr))) + { + mFilename = command; + mMode = m; + mStreamType = t_pipe; + p_ret = this; + } + else + p_ret = 0; + } + else + { + // maybe we have a filter specified + if ( pFilter + && ('\0' != pFilter[0])) + { + char* command = ExpandHtkFilterCmd(pFilter, pFName, "$"); + + if ((m & std::ios::in) && !(m & std::ios::out)) m = std::ios::in; + else if ((m & std::ios::out) && !(m & std::ios::in)) m = std::ios::out; + else return NULL; + + // we need to make some conversion + // iostream -> stdio open mode string + this->open_mode(m, __p_mode, __rw_mode, mstr); + + if ((mpFilePtr = popen(command, mstr))) + { + mFilename = pFName; + mMode = m; + mStreamType = t_pipe; + p_ret = this; + } + else + p_ret = 0; + } + else // if (!filter.empty()) + { + // we need to make some conversion + // iostream -> stdio open mode string + this->open_mode(m, __p_mode, __rw_mode, mstr); + + if ((mpFilePtr = fopen(pFName, mstr))) + { + mFilename = pFName; + mMode = m; + mStreamType = t_file; + p_ret = this; + } + else { + p_ret = NULL; + } + } + } + + // here we perform what the stdio_filebuf would do + if (p_ret) { + superopen(mpFilePtr, m); + } + } //if (!isopen) + + return p_ret; + } + + //****************************************************************************** + template< + typename _CharT, + typename _Traits + > + void + basic_stkbuf<_CharT, _Traits>:: + superopen(std::__c_file* __f, std::ios_base::openmode __mode, + size_t __size) + { + this->_M_file.sys_open(__f, __mode); + if (this->is_open()) + { + this->_M_mode = __mode; + this->_M_buf_size = __size; + this->_M_allocate_internal_buffer(); + this->_M_reading = false; + this->_M_writing = false; + this->_M_set_buffer(-1); + } + } +} + +// TNet_StkStream_tcc +#endif |