cpputools/source/sp2bv/sp2bv.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22 #include "osl/thread.h"
  23 #include "osl/file.h"
  24 #include "rtl/ustring.hxx"
  25 #include "rtl/ustrbuf.h"
  26
  27 static bool hasOption(char const * szOption, int argc, char** argv);
  28
  29
  30 #define HELP_TEXT    \
  31 "SYNOPSIS \n\n" \
  32 "\tsp2bv [-h] [-?] string \n\n" \
  33 "DESCRIPTION\n\n" \
  34 "\tsp2bv stands for \"system path to bootstrap variable\"." \
  35 " First the system path is converted into a file URL. Then all " \
  36 "characters which have a special meaning in bootstrap variables, " \
  37 "such as \'$\' are escaped. The resulting string is written to " \
  38 "stdout an can be assigned to a bootstrap variable.\n" \
  39 "\n\n" \
  40 "OPTIONS \n\n" \
  41 "\tThe following options are supported: \n" \
  42 "-?\n " \
  43 "--help" \
  44 "    Display help information.\n"
  45
  46
  47
  48
  49 int main(int argc, char **argv)
  50 {
  51     if( hasOption("--help",argc, argv) || hasOption("-h", argc, argv))
  52     {
  53         fprintf(stdout, HELP_TEXT);// default
  54         return 0;
  55     }
  56
  57     if (argc != 2)
  58     {
  59         fprintf(stdout, HELP_TEXT);
  60         return -1;
  61     }
  62
  63     rtl_uString* pPath = NULL;
  64     rtl_string2UString( &pPath, argv[1], strlen(argv[1]),
  65                         osl_getThreadTextEncoding(),OSTRING_TO_OUSTRING_CVTFLAGS );
  66
  67     rtl_uString* pUrl = NULL;
  68     if (osl_getFileURLFromSystemPath(pPath, &pUrl) != osl_File_E_None)
  69         return -1;
  70 //escape the special characters
  71
  72     sal_Unicode cEscapeChar = 0x5c;
  73     rtl_uString* pBuffer = NULL;
  74     sal_Int32 nCapacity = 255;
  75     rtl_uString_new_WithLength( &pBuffer, nCapacity );
  76
  77     const sal_Unicode* pCur = pUrl->buffer;
  78     for (int i = 0; i != pUrl->length; i++)
  79     {
  80         switch( *pCur)
  81         {
  82         case '$':
  83             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, &cEscapeChar, 1);
  84             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, pCur, 1);
  85             break;
  86         case '{':
  87         case '}':
  88         case '\\': fprintf(stderr, "sp2vb: file URL contains invalid characters!\n");
  89             return -1;
  90         default:
  91             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, pCur, 1);
  92         }
  93         pCur ++;
  94     }
  95 //convert back to byte string so that we can print it.
  96     rtl_String* pBootVar = NULL;
  97     rtl_uString2String( &pBootVar, pBuffer->buffer, pBuffer->length,
  98                         osl_getThreadTextEncoding(), OUSTRING_TO_OSTRING_CVTFLAGS);
  99
 100     fprintf(stdout, "%s", pBootVar->buffer);
 101     fflush(stdout);
 102
 103     rtl_uString_release(pBuffer);
 104     rtl_uString_release(pPath);
 105     rtl_uString_release(pUrl);
 106     rtl_string_release(pBootVar);
 107     return 0;
 108 }
 109
 110
 111
 112 static bool hasOption(char const * szOption, int argc, char** argv)
 113 {
 114     bool retVal = false;
 115     for(sal_Int16 i= 1; i < argc; i++)
 116     {
 117         if( ! strcmp(argv[i], szOption))
 118         {
 119             retVal = true;
 120             break;
 121         }
 122     }
 123     return retVal;
 124 }
 125
 126
 127
 128
 129
 130 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */