/****************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.  *  ***********************************************************************/  #include "SWIinputStream.hpp" #include "SWIoutputStream.hpp"  int SWIinputStream::read() {   unsigned char c;   int rc = readBytes(&c, sizeof c);   if (rc != sizeof c) return rc;   return c; }  int SWIinputStream::skip(int n) {   if (n < 0)     return INVALID_ARGUMENT;    if (n == 0) return 0;    char *tmp = new char[n];   int nbSkip = readBytes(tmp, n);   delete [] tmp;   return nbSkip; }  int SWIinputStream::readLine(SWIoutputStream& outstream) {   int rc = getLookAhead();    if (rc == 0)     return NOT_SUPPORTED;    if (rc < 0)     return rc;    int nbWritten = 0;   int c = 0;    for (;;)   {     if ((c = read()) < 0)     {       rc = c;       break;     }      switch (c)     {      case '\r':        if ((c = peek()) < 0 || (c == '\n' && (c = read()) < 0))          rc = c;        // no break: intentional      case '\n':        goto end;        break;      default:        outstream.printChar(c);        nbWritten++;        break;     }   }  end:    if (nbWritten == 0)     return rc > 0 ? 0 : rc;    return nbWritten; }  int SWIinputStream::readLine(char *buffer, int bufSize) {   int rc = getLookAhead();    if (rc == 0)     return NOT_SUPPORTED;    if (rc < 0)     return rc;    char *p = buffer;   char *q = buffer + bufSize - 1; // keep one byte for '\0'   int c = 0;    while (p < q)   {     if ((c = read()) < 0)     {       rc = c;       break;     }      switch (c)     {      case '\r':       if ((c = peek()) < 0 || (c == '\n' && (c = read()) < 0))         rc = c;       // no break: intentional      case '\n':        goto end;        break;      default:        *p++ = c;        break;     }   }  end:   *p = '\0';    if (p == q)     return BUFFER_OVERFLOW;    int len = p - buffer;   if (len == 0)     return rc > 0 ? 0 : rc;    return len; }  int SWIinputStream::peek(int offset) const {   return NOT_SUPPORTED; }  int SWIinputStream::getLookAhead() const {   return 0; }  bool SWIinputStream::isBuffered() const {   return false; }  SWIstream::Result SWIinputStream::waitReady(long timeoutMs) {   return SUCCESS; }