AOO410/main/sal/workben/t_readline.c

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

/*
 * t_readline.c
 */

#include "osl/file.h"

#include "osl/diagnose.h"
#include "rtl/ustring.h"
#include "rtl/byteseq.h"

#include <stdio.h>

/* main */
int main (int argc, char ** argv)
{
  if (argc > 1)
  {
    oslFileError  result;
    oslFileHandle hFile = 0;

    rtl_uString * pSystemPath = 0;
    rtl_uString * pFileUrl = 0;

    rtl_uString_newFromAscii (&pSystemPath, argv[1]);

    result = osl_getFileURLFromSystemPath (pSystemPath, &pFileUrl);
    rtl_uString_release (pSystemPath), pSystemPath = 0;
    if (result != osl_File_E_None)
      return (result);

    result = osl_openFile (pFileUrl, &hFile, osl_File_OpenFlag_Read);
    rtl_uString_release (pFileUrl), pFileUrl = 0;
    if (result == osl_File_E_None)
    {
      sal_Sequence * pBuffer = 0;
      for ( ;; )
      {
        sal_Int32 i, n;

        result = osl_readLine (hFile, &pBuffer);
        if (result != osl_File_E_None)
          break;
#if 0
        if (pBuffer->elements[0] == 0)
          /* @@@ cannot distinguish empty line from EOF @@@ */
          break;
#endif
        for (i = 0, n = pBuffer->nElements; i < n; i++)
          printf ("%c", (char)(pBuffer->elements[i]));
        printf("\n");
      }

      rtl_byte_sequence_release (pBuffer), pBuffer = 0;
      (void) osl_closeFile (hFile);
    }
  }
  return 0;
}