// Copyright (c) 2011 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 "courgette/ensemble.h" #include #include #include "base/strings/string_number_conversions.h" #include "courgette/program_detector.h" #include "courgette/region.h" #include "courgette/simple_delta.h" #include "courgette/streams.h" namespace courgette { Element::Element(ExecutableType kind, Ensemble* ensemble, const Region& region) : kind_(kind), ensemble_(ensemble), region_(region) { } Element::~Element() = default; std::string Element::Name() const { return ensemble_->name() + "(" + base::NumberToString(kind()) + "," + base::NumberToString(offset_in_ensemble()) + "," + base::NumberToString(region().length()) + ")"; } // 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_t* start = region_.start(); size_t position = 0; while (position < length) { ExecutableType type; size_t detected_length; Status result = DetectExecutableType(start + position, length - position, &type, &detected_length); if (result == C_OK) { Region region(start + position, detected_length); Element* element = new Element(type, this, region); owned_elements_.push_back(element); elements_.push_back(element); position += region.length(); } else { position++; } } return C_OK; } Ensemble::~Ensemble() { for (size_t i = 0; i < owned_elements_.size(); ++i) delete owned_elements_[i]; } } // namespace