| Index: third_party/courgette/ensemble.cc
|
| ===================================================================
|
| --- third_party/courgette/ensemble.cc (revision 15668)
|
| +++ third_party/courgette/ensemble.cc (working copy)
|
| @@ -1,102 +0,0 @@
|
| -// Copyright (c) 2009 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.
|
| -
|
| -// *** File comments
|
| -
|
| -#include "third_party/courgette/ensemble.h"
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "base/logging.h"
|
| -#include "base/string_util.h"
|
| -
|
| -#include "third_party/courgette/image_info.h"
|
| -#include "third_party/courgette/region.h"
|
| -#include "third_party/courgette/streams.h"
|
| -#include "third_party/courgette/simple_delta.h"
|
| -
|
| -namespace courgette {
|
| -
|
| -Element::Element(Kind kind, Ensemble* ensemble, const Region& region)
|
| - : kind_(kind), ensemble_(ensemble), region_(region) {
|
| -}
|
| -
|
| -std::string Element::Name() const {
|
| - return ensemble_->name() + "("
|
| - + IntToString(kind()) + ","
|
| - + Uint64ToString(offset_in_ensemble()) + ","
|
| - + Uint64ToString(region().length()) + ")";
|
| -}
|
| -
|
| -// A subclass of Element that has a PEInfo.
|
| -class ElementWinPE : public Element {
|
| - public:
|
| - ElementWinPE(Kind kind, Ensemble* ensemble, const Region& region,
|
| - PEInfo* info)
|
| - : Element(kind, ensemble, region),
|
| - pe_info_(info) {
|
| - }
|
| -
|
| - virtual PEInfo* GetPEInfo() const { return pe_info_; }
|
| -
|
| - protected:
|
| - ~ElementWinPE() { delete pe_info_; }
|
| -
|
| - private:
|
| - PEInfo* pe_info_; // Owned by |this|.
|
| -};
|
| -
|
| -// Scans the Ensemble's region, sniffing out Elements. We assume that the
|
| -// elements do not overlap.
|
| -Status Ensemble::FindEmbeddedElements() {
|
| - size_t length = region_.length();
|
| - const uint8* start = region_.start();
|
| -
|
| - size_t position = 0;
|
| - while (position < length) {
|
| - // Quick test; Windows executables begin with 'MZ'.
|
| - if (start[position] == 'M' &&
|
| - position + 1 < length && start[position + 1] == 'Z') {
|
| - courgette::PEInfo *info = new courgette::PEInfo();
|
| - info->Init(start + position, length - position);
|
| - if (info->ParseHeader()) {
|
| - Region region(start + position, info->length());
|
| -
|
| - if (info->has_text_section()) {
|
| - Element* element = new ElementWinPE(Element::WIN32_X86_WITH_CODE,
|
| - this, region, info);
|
| - owned_elements_.push_back(element);
|
| - elements_.push_back(element);
|
| - position += region.length();
|
| - continue;
|
| - }
|
| -
|
| - // If we had a clever transformation for resource-only executables we
|
| - // should identify the suitable elements here:
|
| - if (!info->has_text_section() && false) {
|
| - Element* element = new ElementWinPE(Element::WIN32_NOCODE,
|
| - this, region, info);
|
| - owned_elements_.push_back(element);
|
| - elements_.push_back(element);
|
| - position += region.length();
|
| - continue;
|
| - }
|
| - }
|
| - delete info;
|
| - }
|
| -
|
| - // This is where to add new formats, e.g. Linux executables, Dalvik
|
| - // executables etc.
|
| -
|
| - // No Element found at current position.
|
| - ++position;
|
| - }
|
| - return C_OK;
|
| -}
|
| -
|
| -Ensemble::~Ensemble() {
|
| - for (size_t i = 0; i < owned_elements_.size(); ++i)
|
| - delete owned_elements_[i];
|
| -}
|
| -
|
| -} // namespace
|
|
|