C++ VString::data方法代码示例

int TextInput( int x, int y, const char *prompt, int maxlen, int fieldlen, char *strres, void (*handlekey)( int key, VString &s, int &pos ) )
{
  VString str = strres;
  int res = TextInput( x, y, prompt, maxlen, fieldlen, &str, handlekey );
  strcpy( strres, str.data() );
  return res;
}

void vfu_edit_conf_file()
{
  if (opt.internal_editor)
    {
    opt.seo.cs = cINFO;
    SeeEditor editor( &opt.seo );
    if( editor.open( filename_conf ) == 0 )
      {
      int r = 1;
      while ( r )
        {
        editor.run();
        r = editor.request_quit();
        }
      }
    else
      say1( "Error loading file..." );
    editor.close();
    }
  else
    {
    VString line = shell_editor;
    str_replace( line, "%f", filename_conf );
    str_replace( line, "%F", filename_conf );
    vfu_shell( line.data(), 0 );
    }
  vfu_settings_save();
  vfu_settings_load();
  do_draw = 2;
  say1("");
  say2("");
}

void printBinaryHll(ServerInterface& srvInterface, const char* prefix, const VString& hll) {
  return;
  unsigned int i;
  char buf_str[10000];
  char* buf_ptr = buf_str;

  if (!hll.isNull()) {
      for (i = 0; i < hll.length(); i++)
      {
          buf_ptr += sprintf(buf_ptr, "%02X ", hll.data()[i]);
      }
  }

  *(buf_ptr + 1) = '\0';
  srvInterface.log("%s: %d %s", prefix, hll.length(), buf_str);
}

void vfu_extract_files( int one )
{
  if ( sel_count == 0 && one == 0 ) one = 1;
  char t[MAX_PATH];
  VString target;

  if ( one == 0 )
    sprintf( t, "EXTRACT SELECTION to: " );
  else
    sprintf( t, "EXTRACT `%s' to:", files_list[FLI]->full_name() );

  target = opt.last_copy_path[ CM_COPY ];
  if ( !vfu_get_dir_name( t, target ) ) return;

  strcpy( opt.last_copy_path[ CM_COPY ], target );

  VArray va;

  int z;
  for( z = 0; z < files_count; z++ )
    if ((files_list[z]->sel && one == 0) || (z == FLI && one != 0))
      va.push( files_list[z]->full_name() );

  if (chdir(target))
    {
    sprintf( t, "Cannot chdir to: %s", target.data() );
    say1( t );
    say2errno();
    return;
    }

  VString tmpfile = vfu_temp();
  if (va.fsave( tmpfile ))
    {
    sprintf( t, "Error writing list file: %s", tmpfile.data() );
    say1( t );
    return;
    }
  chmod( tmpfile, S_IRUSR|S_IWUSR );

  VString s;
  s = "rx_auto x \"";
  s += work_path;
  s += archive_name;
  s += "\" @";
  s += tmpfile;
  s += " 2> /dev/null";

  vfu_shell( s, "" );

  if (unlink( tmpfile ))
    {
    /*
    sprintf( t, "Cannot unlink/erase temp file: %s", tmpfile );
    say2( t );
    */
    }
  if (chdir(work_path))
    {
    sprintf( t, "Cannot chdir back to to: %s", work_path.data() );
    say1( t );
    say2errno();
    return;
    }
  say1( "EXTRACT ok." );
};

void addItemToHll(void* hll, const VString& item) {
    SerializedHyperLogLog* phll = (SerializedHyperLogLog*)hll;
    phll->add(item.data(), item.length());
}

void updateStringFromHll(VString& str, SerializedHyperLogLog* hll) {
    char* cstr = hll->toString(str.data()); 
    str.copy(cstr, 9 + hll->registerSize()); // size of prefix + size of binary array. prefix is %d|%d|bin_
}   

void SimpleHllAggregateFunctionBase::addItem(ServerInterface &srvInterface, void* hll, const VString& item) {
    HllHolder* phll = (HllHolder*)hll;
    if (phll->hll == NULL)
        phll->hll = (SerializedHyperLogLog*)createNewHll();
    phll->hll->add(item.data(), item.length());
}

void vfu_chdir( const char *a_new_dir )
{
  char t[MAX_PATH];
  VString target;
  if ( a_new_dir && a_new_dir[0] )
    {
    target = a_new_dir;
    str_fix_path( target );
    }
  else
    {
    target = vfu_hist_get( HID_CHDIR, 0 );
    if (!vfu_get_dir_name( "ChDir to? (TAB, PageUp, PageDown, ^X, ^A)",
                           target, 0 )) 
                           return; /* get_dir_name canceled */
    }
  /* get_dir_name confirmed */  
  /*
  if ( work_path[0] != target[0] && DirTreeChanged && opt.AutoTree ) SaveTree();
  */
  if ( work_mode == WM_ARCHIVE )
    {
    archive_name = "";
    archive_path = "";
    }
  
  vfu_hist_add( HID_CHDIR, work_path );
  char ch = work_path[0];
  if (opt.tree_cd)
    if (!dir_exist( target ))
      {
      int z = 0;
      if ( dir_tree.count() == 0 ) tree_load();
      mb.undef();
      z = tree_find( target, &mb );
      if (z > 1)
        {
        z = vfu_menu_box( 10, 5, "Change dir to..." );
        if (z > -1)
          target = mb.get(z);
        else
          return;
        }
      else
      if (z == 1)
        target = mb.get(0);
      }
  VString str = target; 
  str_cut_spc( str );
  #ifdef _TARGET_GO32_
    if ( str[0] == '/' )
      {
      str_ins_ch( str, 0, ':' );
      str_ins_ch( str, 0, work_path[0] );
      } else
    if ( str[1] == ':' && str[2] == 0 ) /* c: d: e: */
      {
      expand_path( str, t );
      str = t;
      }
    if ( str[1] == ':' && str[2] == '/' )
  #else /* _TARGET_GO32_ -> i.e. _TARGET_UNIX_ here*/
    if (str[0] == '/')
  #endif /* _TARGET_GO32_ */
    { /* root directory */
    target = str;
    }
  else
    {
    str = work_path + str;
    str_fix_path( str );
    target = str_reduce_path( str );
    }
  if (chdir( target ) != 0)
    {
    sprintf( t, "chdir: %s", target.data() );
    say1( t );
    say2errno();
    return;
    }
  else
    {
    work_path = target;
    if ( work_mode == WM_ARCHIVE ) 
      work_mode = WM_NORMAL;
    }
  if ( ch != work_path[0] ) tree_drop(); /* drop tree--it is for another drive*/
  vfu_read_files();
}