Home | History | Annotate | Download | only in mini_installer
      1 // Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_INSTALLER_MINI_INSTALLER_PE_RESOURCE_H_
      6 #define CHROME_INSTALLER_MINI_INSTALLER_PE_RESOURCE_H_
      7 
      8 #include <windows.h>
      9 
     10 // This class models a windows PE resource. It does not pretend to be a full
     11 // API wrapper and it is just concerned with loading it to memory and writing
     12 // it to disk. Each resource is unique only in the context of a loaded module,
     13 // that is why you need to specify one on each constructor.
     14 class PEResource {
     15  public:
     16   // This ctor takes the handle to the resource and the module where it was
     17   // found. Ownership of the resource is transfered to this object.
     18   PEResource(HRSRC resource, HMODULE module);
     19 
     20   // This ctor takes the resource name, the resource type and the module where
     21   // to look for the resource. If the resource is found IsValid() returns true.
     22   PEResource(const wchar_t* name, const wchar_t* type, HMODULE module);
     23 
     24   // Returns true if the resource is valid.
     25   bool IsValid();
     26 
     27   // Returns the size in bytes of the resource. Returns zero if the resource is
     28   // not valid.
     29   size_t Size();
     30 
     31   // Creates a file in 'path' with a copy of the resource. If the resource can
     32   // not be loaded into memory or if it cannot be written to disk it returns
     33   // false.
     34   bool WriteToDisk(const wchar_t* path);
     35 
     36  private:
     37   HRSRC resource_;
     38   HMODULE module_;
     39 };
     40 
     41 #endif  // CHROME_INSTALLER_MINI_INSTALLER_PE_RESOURCE_H_
     42