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Module: Win32::Registry::API

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Importer
Instance Chain:
self, Constants
Defined in: ext/win32/lib/win32/registry.rb

Overview

::Win32 APIs

Constant Summary

Constants - Included

HKEY_CLASSES_ROOT, HKEY_CURRENT_CONFIG, HKEY_CURRENT_USER, HKEY_DYN_DATA, HKEY_LOCAL_MACHINE, HKEY_PERFORMANCE_DATA, HKEY_PERFORMANCE_NLSTEXT, HKEY_PERFORMANCE_TEXT, HKEY_USERS, KEY_ALL_ACCESS, KEY_CREATE_LINK, KEY_CREATE_SUB_KEY, KEY_ENUMERATE_SUB_KEYS, KEY_EXECUTE, KEY_NOTIFY, KEY_QUERY_VALUE, KEY_READ, KEY_SET_VALUE, KEY_WRITE, MAX_KEY_LENGTH, MAX_VALUE_LENGTH, REG_BINARY, REG_CREATED_NEW_KEY, REG_DWORD, REG_DWORD_BIG_ENDIAN, REG_DWORD_LITTLE_ENDIAN, REG_EXPAND_SZ, REG_FORCE_RESTORE, REG_FULL_RESOURCE_DESCRIPTOR, REG_LEGAL_OPTION, REG_LINK, REG_MULTI_SZ, REG_NONE, REG_NO_LAZY_FLUSH, REG_OPENED_EXISTING_KEY, REG_OPTION_BACKUP_RESTORE, REG_OPTION_CREATE_LINK, REG_OPTION_NON_VOLATILE, REG_OPTION_OPEN_LINK, REG_OPTION_RESERVED, REG_OPTION_VOLATILE, REG_QWORD, REG_QWORD_LITTLE_ENDIAN, REG_REFRESH_HIVE, REG_RESOURCE_LIST, REG_RESOURCE_REQUIREMENTS_LIST, REG_SZ, REG_WHOLE_HIVE_VOLATILE, STANDARD_RIGHTS_READ, STANDARD_RIGHTS_WRITE

Class Attribute Summary

Class Method Summary

Class Attribute Details

.win64? ⇒ Boolean (readonly, mod_func)

[ GitHub ] 

  


# File 'ext/win32/lib/win32/registry.rb', line 253



def win64?
  /^(?:x64|x86_64)/ =~ RUBY_PLATFORM
end


  







Class Method Details



  

    .check(result)   (mod_func)
  



  

    
  





  
Raises:





  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 249



def check(result)
  raise Error, result, caller(1) if result != 0
end


  








  

    CloseKey(hkey)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 347



def CloseKey(hkey)
  check RegCloseKey.call(hkey)
end


  








  

    CreateKey(hkey, name, opt, desired)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 293



def CreateKey(hkey, name, opt, desired)
  result = packhandle(0)
  disp = packdw(0)
  check RegCreateKeyExW.call(hkey, make_wstr(name), 0, 0, opt, desired,
                             0, result, disp)
  [ unpackhandle(result), unpackdw(disp) ]
end


  








  

    DeleteKey(hkey, name)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 339



def DeleteKey(hkey, name)
  check RegDeleteKeyW.call(hkey, make_wstr(name))
end


  








  

    DeleteValue(hkey, name)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 335



def DeleteValue(hkey, name)
  check RegDeleteValueW.call(hkey, make_wstr(name))
end


  








  

    EnumKey(hkey, index)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 308



def EnumKey(hkey, index)
  name = WCHAR_NUL * Constants::MAX_KEY_LENGTH
  size = packdw(Constants::MAX_KEY_LENGTH)
  wtime = ' ' * 8
  check RegEnumKeyExW.call(hkey, index, name, size, 0, 0, 0, wtime)
  [ name.byteslice(0, unpackdw(size) * WCHAR_SIZE), unpackqw(wtime) ]
end


  








  

    EnumValue(hkey, index)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 301



def EnumValue(hkey, index)
  name = WCHAR_NUL * Constants::MAX_KEY_LENGTH
  size = packdw(Constants::MAX_KEY_LENGTH)
  check RegEnumValueW.call(hkey, index, name, size, 0, 0, 0, 0)
  name.byteslice(0, unpackdw(size) * WCHAR_SIZE)
end


  








  

    FlushKey(hkey)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 343



def FlushKey(hkey)
  check RegFlushKey.call(hkey)
end


  








  

    .make_wstr(str)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 283



def make_wstr(str)
  str.encode(WCHAR)
end


  








  

    OpenKey(hkey, name, opt, desired)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 287



def OpenKey(hkey, name, opt, desired)
  result = packhandle(0)
  check RegOpenKeyExW.call(hkey, make_wstr(name), opt, desired, result)
  unpackhandle(result)
end


  








  

    .packdw(dw)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 265



def packdw(dw)
  [dw].pack('V')
end


  








  

    .packhandle(h)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 257



def packhandle(h)
  win64? ? packqw(h) : packdw(h)
end


  








  

    .packqw(qw)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 274



def packqw(qw)
  [ qw & 0xFFFFFFFF, qw >> 32 ].pack('VV')
end


  








  

    QueryInfoKey(hkey)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 351



def QueryInfoKey(hkey)
  subkeys = packdw(0)
  maxsubkeylen = packdw(0)
  values = packdw(0)
  maxvaluenamelen = packdw(0)
  maxvaluelen = packdw(0)
  secdescs = packdw(0)
  wtime = ' ' * 8
  check RegQueryInfoKey.call(hkey, 0, 0, 0, subkeys, maxsubkeylen, 0,
    values, maxvaluenamelen, maxvaluelen, secdescs, wtime)
  [ unpackdw(subkeys), unpackdw(maxsubkeylen), unpackdw(values),
    unpackdw(maxvaluenamelen), unpackdw(maxvaluelen),
    unpackdw(secdescs), unpackqw(wtime) ]
end


  








  

    QueryValue(hkey, name)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 316



def QueryValue(hkey, name)
  type = packdw(0)
  size = packdw(0)
  name = make_wstr(name)
  check RegQueryValueExW.call(hkey, name, 0, type, 0, size)
  data = "\0".force_encoding('ASCII-8BIT') * unpackdw(size)
  check RegQueryValueExW.call(hkey, name, 0, type, data, size)
  [ unpackdw(type), data[0, unpackdw(size)] ]
end


  








  

    SetValue(hkey, name, type, data, size)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 326



def SetValue(hkey, name, type, data, size)
  case type
  when REG_SZ, REG_EXPAND_SZ, REG_MULTI_SZ
    data = data.encode(WCHAR)
    size ||= data.bytesize + WCHAR_SIZE
  end
  check RegSetValueExW.call(hkey, make_wstr(name), 0, type, data, size)
end


  








  

    .unpackdw(dw)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 269



def unpackdw(dw)
  dw += [0].pack('V')
  dw.unpack('V')[0]
end


  








  

    .unpackhandle(h)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 261



def unpackhandle(h)
  win64? ? unpackqw(h) : unpackdw(h)
end


  








  

    .unpackqw(qw)   (mod_func)
  

  [ GitHub ]


  

  


# File 'ext/win32/lib/win32/registry.rb', line 278



def unpackqw(qw)
  qw = qw.unpack('VV')
  (qw[1] << 32) | qw[0]
end