Module: Wine

Defined in:
documented/wine.rb

Overview

Module for interacting with WINE registry This module provides methods to get and set values in the WINE registry.

Examples:

Using the Wine module

value = Wine.registry_gets("HKEY_CURRENT_USER\Software\MyApp\Setting")

Constant Summary collapse

BIN =

The path to the WINE binary

$wine_bin
PREFIX =

The path to the WINE prefix

$wine_prefix

Class Method Summary collapse

Class Method Details

.registry_gets(key) ⇒ String, false

Retrieves a value from the WINE registry

Examples:

Getting a registry value

value = Wine.registry_gets("HKEY_CURRENT_USER\Software\MyApp\Setting")

Parameters:

  • key (String) —

    The registry key to retrieve the value from

Returns:

  • (String, false) —

    The value associated with the key, or false if not found

Raises:

  • (StandardError) —

    If there is an error reading the registry



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# File 'documented/wine.rb', line 42

def Wine.registry_gets(key)
  hkey, subkey, thingie = /(HKEY_LOCAL_MACHINE|HKEY_CURRENT_USER)\\(.+)\\([^\\]*)/.match(key).captures # fixme: stupid highlights ]/
  if File.exist?(PREFIX + '/system.reg')
    if hkey == 'HKEY_LOCAL_MACHINE'
      subkey = "[#{subkey.gsub('\\', '\\\\\\')}]"
      if thingie.nil? or thingie.empty?
        thingie = '@'
      else
        thingie = "\"#{thingie}\""
      end
      lookin = result = false
      File.open(PREFIX + '/system.reg') { |f| f.readlines }.each { |line|
        if line[0...subkey.length] == subkey
          lookin = true
        elsif line =~ /^\[/
          lookin = false
        elsif lookin and line =~ /^#{thingie}="(.*)"$/i
          result = $1.split('\\"').join('"').split('\\\\').join('\\').sub(/\\0$/, '')
          break
        end
      }
      return result
    else
      return false
    end
  else
    return false
  end
end

.registry_puts(key, value) ⇒ Boolean

Sets a value in the WINE registry

Examples:

Setting a registry value

success = Wine.registry_puts("HKEY_CURRENT_USER\Software\MyApp\Setting", "NewValue")

Parameters:

  • key (String) —

    The registry key to set the value for

  • value (String) —

    The value to set

Returns:

  • (Boolean) —

    true if the operation was successful, false otherwise

Raises:

  • (StandardError) —

    If there is an error writing to the registry



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# File 'documented/wine.rb', line 79

def Wine.registry_puts(key, value)
  hkey, subkey, thingie = /(HKEY_LOCAL_MACHINE|HKEY_CURRENT_USER)\\(.+)\\([^\\]*)/.match(key).captures # fixme ]/
  if File.exist?(PREFIX)
    if thingie.nil? or thingie.empty?
      thingie = '@'
    else
      thingie = "\"#{thingie}\""
    end
    # gsub sucks for this..
    value = value.split('\\').join('\\\\')
    value = value.split('"').join('\"')
    begin
      regedit_data = "REGEDIT4\n\n[#{hkey}\\#{subkey}]\n#{thingie}=\"#{value}\"\n\n"
      filename = "#{TEMP_DIR}/wine-#{Time.now.to_i}.reg"
      File.open(filename, 'w') { |f| f.write(regedit_data) }
      system("#{BIN} regedit #{filename}")
      sleep 0.2
      File.delete(filename)
    rescue
      return false
    end
    return true
  end
end