cpputools/source/sp2bv/sp2bv.cxx

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  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <string.h>
  31 #include "osl/thread.h"
  32 #include "osl/file.h"
  33 #include "rtl/ustring.hxx"
  34 #include  "rtl/ustrbuf.h"
  35
  36 static sal_Bool hasOption(char const * szOption, int argc, char** argv);
  37
  38
  39 #define HELP_TEXT    \
  40 "SYNOPSIS \n\n" \
  41 "\tsp2bv [-h] [-?] string \n\n" \
  42 "DESCRIPTION\n\n" \
  43 "\tsp2bv stands for \"system path to bootstrap variable\"." \
  44 " First the system path is converted into a file URL. Then all " \
  45 "characters which have a special meaning in bootstrap variables, " \
  46 "such as \'$\' are escaped. The resulting string is written to " \
  47 "stdout an can be assigned to a bootstrap variable.\n" \
  48 "\n\n" \
  49 "OPTIONS \n\n" \
  50 "\tThe following options are supported: \n" \
  51 "-?\n " \
  52 "--help" \
  53 "    Display help information.\n"
  54
  55
  56
  57
  58 int main(int argc, char **argv)
  59 {
  60     if( hasOption("--help",argc, argv) || hasOption("-h", argc, argv))
  61     {
  62         fprintf(stdout, HELP_TEXT);// default
  63         return 0;
  64     }
  65
  66     if (argc != 2)
  67     {
  68         fprintf(stdout, HELP_TEXT);
  69         return -1;
  70     }
  71
  72     rtl_uString* pPath = NULL;
  73     rtl_string2UString( &pPath, argv[1], strlen(argv[1]),
  74                         osl_getThreadTextEncoding(),OSTRING_TO_OUSTRING_CVTFLAGS );
  75
  76     rtl_uString* pUrl = NULL;
  77     if (osl_getFileURLFromSystemPath(pPath, &pUrl) != osl_File_E_None)
  78         return -1;
  79 //escape the special characters
  80
  81     sal_Unicode cEscapeChar = 0x5c;
  82     rtl_uString* pBuffer = NULL;
  83     sal_Int32 nCapacity = 255;
  84     rtl_uString_new_WithLength( &pBuffer, nCapacity );
  85
  86     const sal_Unicode* pCur = pUrl->buffer;
  87     for (int i = 0; i != pUrl->length; i++)
  88     {
  89         switch( *pCur)
  90         {
  91         case '$':
  92             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, &cEscapeChar, 1);
  93             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, pCur, 1);
  94             break;
  95         case '{':
  96         case '}':
  97         case '\\': fprintf(stderr, "sp2vb: file URL contains invalid characters!\n");
  98             return -1;
  99         default:
 100             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, pCur, 1);
 101         }
 102         pCur ++;
 103     }
 104 //convert back to byte string so that we can print it.
 105     rtl_String* pBootVar = NULL;
 106     rtl_uString2String( &pBootVar, pBuffer->buffer, pBuffer->length,
 107                         osl_getThreadTextEncoding(), OUSTRING_TO_OSTRING_CVTFLAGS);
 108
 109     fprintf(stdout, "%s", pBootVar->buffer);
 110     fflush(stdout);
 111
 112     rtl_uString_release(pBuffer);
 113     rtl_uString_release(pPath);
 114     rtl_uString_release(pUrl);
 115     rtl_string_release(pBootVar);
 116     return 0;
 117 }
 118
 119
 120
 121 static sal_Bool hasOption(char const * szOption, int argc, char** argv)
 122 {
 123     sal_Bool retVal= sal_False;
 124     for(sal_Int16 i= 1; i < argc; i++)
 125     {
 126         if( ! strcmp(argv[i], szOption))
 127         {
 128             retVal= sal_True;
 129             break;
 130         }
 131     }
 132     return retVal;
 133 }
 134
 135
 136
 137
 138
 139 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */