sal/rtl/source/cmdargs.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sal.hxx"
  33
  34 #include <osl/mutex.hxx>
  35 #include <rtl/process.h>
  36 #include <rtl/ustring.hxx>
  37
  38 namespace {
  39
  40 rtl_uString ** g_ppCommandArgs = 0;
  41 sal_uInt32     g_nCommandArgCount = 0;
  42
  43 struct ArgHolder
  44 {
  45     ~ArgHolder();
  46 };
  47
  48 ArgHolder::~ArgHolder()
  49 {
  50     while (g_nCommandArgCount > 0)
  51         rtl_uString_release (g_ppCommandArgs[--g_nCommandArgCount]);
  52
  53     rtl_freeMemory (g_ppCommandArgs);
  54     g_ppCommandArgs = 0;
  55 }
  56
  57 // The destructor of this static ArgHolder is "activated" by the assignments to
  58 // g_ppCommandArgs and g_nCommandArgCount in init():
  59 ArgHolder argHolder;
  60
  61 void init()
  62 {
  63     osl::MutexGuard guard( osl::Mutex::getGlobalMutex() );
  64     if (!g_ppCommandArgs)
  65     {
  66         sal_Int32 i, n = osl_getCommandArgCount();
  67
  68         g_ppCommandArgs =
  69             (rtl_uString**)rtl_allocateZeroMemory (n * sizeof(rtl_uString*));
  70         for (i = 0; i < n; i++)
  71         {
  72             rtl_uString * pArg = 0;
  73             osl_getCommandArg (i, &pArg);
  74             if (('-' == pArg->buffer[0] || '/' == pArg->buffer[0]) &&
  75                  'e' == pArg->buffer[1] &&
  76                  'n' == pArg->buffer[2] &&
  77                  'v' == pArg->buffer[3] &&
  78                  ':' == pArg->buffer[4] &&
  79                 rtl_ustr_indexOfChar (&(pArg->buffer[5]), '=') >= 0 )
  80             {
  81                 // ignore.
  82                 rtl_uString_release (pArg);
  83             }
  84             else
  85             {
  86                 // assign.
  87                 g_ppCommandArgs[g_nCommandArgCount++] = pArg;
  88             }
  89         }
  90     }
  91 }
  92
  93 }
  94
  95 oslProcessError SAL_CALL rtl_getAppCommandArg (
  96     sal_uInt32 nArg, rtl_uString **ppCommandArg)
  97 {
  98     init();
  99     oslProcessError result = osl_Process_E_NotFound;
 100     if( nArg < g_nCommandArgCount )
 101     {
 102          rtl_uString_assign( ppCommandArg, g_ppCommandArgs[nArg] );
 103         result = osl_Process_E_None;
 104     }
 105     return (result);
 106 }
 107
 108 sal_uInt32 SAL_CALL rtl_getAppCommandArgCount (void)
 109 {
 110     init();
 111     return g_nCommandArgCount;
 112 }