sblogosutils.cpp

OSB-PIK-OpenVXI-3.0.0源代码 “中国XML论坛 - 专业的XML技术讨论区--XML在语音技术中的应用”

 /****************License************************************************
  *
  * Copyright 2000-2003.  ScanSoft, Inc.    
  *
  * Use of this software is subject to notices and obligations set forth 
  * in the SpeechWorks Public License - Software Version 1.2 which is 
  * included with this software. 
  *
  * ScanSoft is a registered trademark of ScanSoft, Inc., and OpenSpeech, 
  * SpeechWorks and the SpeechWorks logo are registered trademarks or 
  * trademarks of SpeechWorks International, Inc. in the United States 
  * and other countries.
  *
  ***********************************************************************/
 

 
 // -----1=0-------2=0-------3=0-------4=0-------5=0-------6=0-------7=0-------8
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 
 #ifdef WIN32
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
 #else
 #include <time.h>                       // For CLK_TCK/CLOCKS_PER_SEC
 #include <sys/times.h>                  // For times( )
 
 #ifndef CLK_TCK
 #define CLK_TCK CLOCKS_PER_SEC
 #endif
 #endif
 
 #include <sys/timeb.h>                  // for ftime( )/_ftime( )
 #include <sys/stat.h>                   // for stat( )
 
 #include "SBlogOSUtils.h"
 
 #define BUFSIZE (4096 + 1024) // typical maxlen is 4096, want room over that
 
 // Convert wide to narrow characters
 #define w2c(w) (((w) & 0xff00)?'\277':((unsigned char) ((w) & 0x00ff)))
 
 /*****************************
 // SBlogGetTime
 *****************************/
 extern "C" int SBlogGetTime(time_t *timestamp, 
 			    VXIunsigned *timestampMsec)
 {
 #ifdef WIN32
   struct _timeb tbuf;
   _ftime(&tbuf);
   *timestamp = tbuf.time;
   *timestampMsec = (VXIunsigned) tbuf.millitm;
 #else
   struct timeb tbuf;
   ftime(&tbuf);
   *timestamp = tbuf.time;
   *timestampMsec = (VXIunsigned) tbuf.millitm;
 #endif
 
   return 0;
 }
 
 
 /*****************************
 // SBlogGetTimeStampStr
 *****************************/
 extern "C" int SBlogGetTimeStampStr(time_t          timestamp,
 				    VXIunsigned     timestampMsec,
 				    char           *timestampStr)
 {
 #ifdef WIN32
   char *timeStr = ctime(&timestamp);
 #else
   char timeStr_r[64] = "";
   char *timeStr = ctime_r(&timestamp, timeStr_r);
 #endif
   if (timeStr) {
     // Strip the weekday name from the front, year from the end,
     // append hundredths of a second (the thousandths position is
     // inaccurate, remains constant across entire runs of the process)
     strncpy(timestampStr, &timeStr[4], 15);
     sprintf(&timestampStr[15], ".%02u", timestampMsec / 10);
   } else {
     timestampStr[0] = '\0';
     return -1;
   }
 
   return 0;
 }
 
 /*****************************
 // SBlogGetFileStats
 *****************************/
 extern "C" int SBlogGetFileStats(const char *path, 
 				 SBlogFileStats *fileStats)
 {
   int rc;
   #ifdef WIN32
   struct _stat stats;
   #else
   struct stat stats;
   #endif
 
   if ((! path) || (! fileStats))
     return -1;
   
   #ifdef WIN32
   rc = _stat(path, &stats);
   #else
   rc = stat(path, &stats);
   #endif
   
   if (rc != 0) {
     return -1;
   }
   
   fileStats->st_size  = stats.st_size;
   fileStats->st_mode  = stats.st_mode;
   fileStats->st_atim = stats.st_atime;
   fileStats->st_mtim = stats.st_mtime;
   fileStats->st_ctim = stats.st_ctime;
   
   return 0;
 }
 
 /*****************************
 // SBlogGetCPUTimes
 *****************************/
 extern "C" int SBlogGetCPUTimes(long *userTime
 				/* ms spent in user mode */,
 				long *kernelTime
 				/* ms spent in kernel mode*/
 				)
 {
 #ifdef WIN32
   FILETIME dummy;
   FILETIME k, u;
   LARGE_INTEGER lk, lu;
 
   if ((! userTime) || (! kernelTime))
     return -1;
 
   if (GetThreadTimes(GetCurrentThread(), &dummy, &dummy, &k, &u) == FALSE)
     return -1;
 
   lk.LowPart  = k.dwLowDateTime;
   lk.HighPart = k.dwHighDateTime;
   *kernelTime = (long) (lk.QuadPart / 10000);
 
   lu.LowPart  = u.dwLowDateTime;
   lu.HighPart = u.dwHighDateTime;
   *userTime   = (long) (lu.QuadPart / 10000);
 
 
 #else
   struct tms timeBuf;
 
   if ((! userTime) || (! kernelTime))
     return -1;
 
   times(&timeBuf);
   *userTime = (long)timeBuf.tms_utime * 1000 / CLK_TCK;
   *kernelTime = (long)timeBuf.tms_stime * 1000 / CLK_TCK;
 
 #endif
   return 0;
 }
 
 
 /*****************************
 // format_wcs2str (internal-only)
 *****************************/
 static int format_wcs2str(const wchar_t *wformat, char *nformat)
 {
   size_t len, i;
   bool replacement = false;
   
   len = wcslen(wformat);
   for (i = 0; i <= len; i++) {
     nformat[i] = w2c(wformat[i]);
     if (nformat[i] == '%') {
       if (replacement)
 	replacement = false; // double %%
       else
 	replacement = true;
     } else if ((replacement == true) && 
 	       (((nformat[i] >= 'a') && (nformat[i] <= 'z')) ||
 		((nformat[i] >= 'A') && (nformat[i] <= 'Z')))) {
       switch (nformat[i]) {
       case 's':
 	// wide insert for wide format -> wide insert for narrow format
 	nformat[i] = 'S';
 	break;
       case 'S':
 	// narrow insert for wide format -> narrow insert for narrow format
 	nformat[i] = 's';
 	break;
       default:
 	break;
       }
       replacement = false;
     }
   }
   nformat[i] = '\0';
   
   return len;
 }
 
 
 /*****************************
 // SBlogVswprintf
 *****************************/
 #ifndef WIN32
 #if ! (defined(__GNUC__) && (__GNUC__ <= 2))
 static wchar_t* ConvertFormatForWidePrintf(const wchar_t* format)
 {
   int formatLen = wcslen(format);
 
   // The maximum length of the new format string is 1 and 2/3 that
   //    of the original.
   wchar_t* newFormat = new wchar_t [2 * formatLen];
   int nfIndex = 0;
 
   for (int fIndex = 0; fIndex < formatLen; ++fIndex)
   {
     // We found %s in format.
     if ((format[fIndex] == L'%') && (fIndex != (formatLen - 1)))
     {
       newFormat[nfIndex++] = L'%';
       fIndex++;
       while ((fIndex < formatLen - 1) &&
 	     ((format[fIndex] >= L'0') && (format[fIndex] <= L'9')) ||
 	     (format[fIndex] == L'+') || (format[fIndex] == L'-') ||
 	     (format[fIndex] == L'.') || (format[fIndex] == L'*') ||
 	     (format[fIndex] == L'#')) {
         newFormat[nfIndex++] = format[fIndex++];
       }
 
       switch(format[fIndex]) {
         case L's': {
           newFormat[nfIndex++] = L'l';
           newFormat[nfIndex++] = L's';
           break;
         }
         case L'S': {
           newFormat[nfIndex++] = L's';
           break;
         }
         case L'c': {
           newFormat[nfIndex++] = L'l';
           newFormat[nfIndex++] = L'c';
           break;
         }
         case L'C': {
           newFormat[nfIndex++] = L'c';
           break;
         }
         default: {
           newFormat[nfIndex++] = format[fIndex];
           break;
         }
       }
     }
     else
     {
       newFormat[nfIndex++] = format[fIndex];
     }
   }
 
   newFormat[nfIndex] = 0;
 
   return newFormat;
 }
 #endif /* ! defined(__GNUC__) && (__GNUC__ <= 2) */
 #endif /* ! WIN32 */
 
 extern "C" int SBlogVswprintf(wchar_t* wcs, size_t maxlen,
 			      const wchar_t* format, va_list args)
 {
   int rc;
 
   if (maxlen < 1)
     return -1;
   *wcs = 0;
 
 #ifdef WIN32
 
   /* Straight-forward Win32 implementation */
   rc = _vsnwprintf(wcs, maxlen, format, args);
   if ((size_t) rc >= maxlen - 1) /* overflow */
     wcs[maxlen - 1] = L'\0';
 
 #else /* ! WIN32 */
 #if defined(__GNUC__) && (__GNUC__ <= 2)