cpputools/source/sp2bv/sp2bv.cxx

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  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include "osl/thread.h"
  34 #include "osl/file.h"
  35 #include "rtl/ustring.hxx"
  36 #include  "rtl/ustrbuf.h"
  37
  38
  39
  40 using namespace rtl;
  41
  42 static sal_Bool hasOption(char const * szOption, int argc, char** argv);
  43
  44
  45 #define HELP_TEXT    \
  46 "SYNOPSIS \n\n" \
  47 "\tsp2bv [-h] [-?] string \n\n" \
  48 "DESCRIPTION\n\n" \
  49 "\tsp2bv stands for \"system path to bootstrap variable\"." \
  50 " First the system path is converted into a file URL. Then all " \
  51 "characters which have a special meaning in bootstrap variables, " \
  52 "such as \'$\' are escaped. The resulting string is written to " \
  53 "stdout an can be assigned to a bootstrap variable.\n" \
  54 "\n\n" \
  55 "OPTIONS \n\n" \
  56 "\tThe following options are supported: \n" \
  57 "-?\n " \
  58 "--help" \
  59 "    Display help information.\n"
  60
  61
  62
  63
  64 int main(int argc, char **argv)
  65 {
  66     if( hasOption("--help",argc, argv) || hasOption("-h", argc, argv))
  67     {
  68         fprintf(stdout, HELP_TEXT);// default
  69         return 0;
  70     }
  71
  72     if (argc != 2)
  73     {
  74         fprintf(stdout, HELP_TEXT);
  75         return -1;
  76     }
  77
  78     rtl_uString* pPath = NULL;
  79     rtl_string2UString( &pPath, argv[1], strlen(argv[1]),
  80                         osl_getThreadTextEncoding(),OSTRING_TO_OUSTRING_CVTFLAGS );
  81
  82     rtl_uString* pUrl = NULL;
  83     if (osl_getFileURLFromSystemPath(pPath, &pUrl) != osl_File_E_None)
  84         return -1;
  85 //escape the special characters
  86
  87     sal_Unicode cEscapeChar = 0x5c;
  88     rtl_uString* pBuffer = NULL;
  89     sal_Int32 nCapacity = 255;
  90     rtl_uString_new_WithLength( &pBuffer, nCapacity );
  91
  92     const sal_Unicode* pCur = pUrl->buffer;
  93     for (int i = 0; i != pUrl->length; i++)
  94     {
  95         switch( *pCur)
  96         {
  97         case '$':
  98             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, &cEscapeChar, 1);
  99             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, pCur, 1);
 100             break;
 101         case '{':
 102         case '}':
 103         case '\\': fprintf(stderr, "sp2vb: file URL contains invalid characters!\n");
 104             return -1;
 105         default:
 106             rtl_uStringbuffer_insert( &pBuffer, &nCapacity, pBuffer->length, pCur, 1);
 107         }
 108         pCur ++;
 109     }
 110 //convert back to byte string so that we can print it.
 111     rtl_String* pBootVar = NULL;
 112     rtl_uString2String( &pBootVar, pBuffer->buffer, pBuffer->length,
 113                         osl_getThreadTextEncoding(), OUSTRING_TO_OSTRING_CVTFLAGS);
 114
 115     fprintf(stdout, "%s", pBootVar->buffer);
 116     fflush(stdout);
 117
 118     rtl_uString_release(pBuffer);
 119     rtl_uString_release(pPath);
 120     rtl_uString_release(pUrl);
 121     rtl_string_release(pBootVar);
 122     return 0;
 123 }
 124
 125
 126
 127 static sal_Bool hasOption(char const * szOption, int argc, char** argv)
 128 {
 129     sal_Bool retVal= sal_False;
 130     for(sal_Int16 i= 1; i < argc; i++)
 131     {
 132         if( ! strcmp(argv[i], szOption))
 133         {
 134             retVal= sal_True;
 135             break;
 136         }
 137     }
 138     return retVal;
 139 }
 140
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 143
 144