Class: EvalHook::MultiHookHandler

Inherits:
HookHandler show all
Defined in:
lib/evalhook/multi_hook_handler.rb

Instance Attribute Summary

Attributes inherited from HookHandler

#base_namespace

Instance Method Summary collapse

Methods inherited from HookHandler

#evalhook, #evalhook_i, #handle_colon2, #handle_colon3, #handle_const, #handle_gvar, #hooked_cdecl, #hooked_colon2, #hooked_const, #hooked_gasgn, #hooked_gvar, #hooked_method, #hooked_variable_method, #hooked_xstr, #internal_eval, #packet, #partialruby_context, #private_method_check

Methods included from RedirectHelper

#const_value, #global_value, #redirect_cdecl, #redirect_gasgn, #redirect_method

Constructor Details

#initialize ⇒ MultiHookHandler

Returns a new instance of MultiHookHandler.



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# File 'lib/evalhook/multi_hook_handler.rb', line 28

def initialize
  @nested_hook_handlers = Array.new
end

Instance Method Details

#add(nested_hh) ⇒ Object

Add a nested hook handler to the hook handler chain (see examples)



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# File 'lib/evalhook/multi_hook_handler.rb', line 33

def add(nested_hh)
  @nested_hook_handlers << nested_hh
end

#handle_cdecl(*args) ⇒ Object 



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# File 'lib/evalhook/multi_hook_handler.rb', line 55

def handle_cdecl(*args)
  lastret = nil

  @nested_hook_handlers.each do |hh|
    currret = hh.handle_cdecl(*args)
    lastret = currret || lastret
  end

  lastret
end

#handle_gasgn(*args) ⇒ Object 



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# File 'lib/evalhook/multi_hook_handler.rb', line 66

def handle_gasgn(*args)

  lastret = nil

  @nested_hook_handlers.each do |hh|
    currret = hh.handle_gasgn(*args)
    lastret = currret || lastret
  end

  lastret
end

#handle_method(klass, recv, method_id) ⇒ Object 



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# File 'lib/evalhook/multi_hook_handler.rb', line 37

def handle_method(klass, recv, method_id)
  lastret = nil

  @nested_hook_handlers.each do |hh|
    currret = hh.handle_method(klass, recv, method_id)

    lastret = currret || lastret

    if (currret)
      klass = currret.klass
      recv = currret.recv
      method_id = currret.method_name
    end
  end

  lastret
end

#handle_xstr(str) ⇒ Object 



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# File 'lib/evalhook/multi_hook_handler.rb', line 78

def handle_xstr(str)

  lastret = nil

  @nested_hook_handlers.each do |hh|
    lastret = hh.handle_xstr(str)
    str = lastret || str
  end

  lastret
end