blob: e19531a0771e13a6df4ca922269a38d91bb844ba [file] [log] [blame]
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <windows.h>
namespace updater {
// This class models a windows PE resource. It does not pretend to be a full
// API wrapper and it is just concerned with loading it to memory and writing
// it to disk. Each resource is unique only in the context of a loaded module,
// that is why you need to specify one on each constructor.
class PEResource {
// Takes the resource name, the resource type, and the module where
// to look for the resource. If the resource is found IsValid() returns true.
PEResource(const wchar_t* name, const wchar_t* type, HMODULE module);
// Returns true if the resource is valid.
bool IsValid();
// Returns the size in bytes of the resource. Returns zero if the resource is
// not valid.
size_t Size();
// Creates a file in |path| with a copy of the resource. If the resource can
// not be loaded into memory or if it cannot be written to disk it returns
// false.
bool WriteToDisk(const wchar_t* path);
HRSRC resource_ = nullptr;
HMODULE module_ = nullptr;
} // namespace updater