text: // Copyright 2014 The Crashpad Authors. All rights reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #include "minidump/minidump_crashpad_info_writer.h"
  
  #include "base/logging.h"
  #include "minidump/minidump_module_crashpad_info_writer.h"
  #include "minidump/minidump_simple_string_dictionary_writer.h"
  #include "snapshot/process_snapshot.h"
  #include "util/file/file_writer.h"
  
  namespace crashpad {
  
  MinidumpCrashpadInfoWriter::MinidumpCrashpadInfoWriter()
      : MinidumpStreamWriter(),
        crashpad_info_(),
        simple_annotations_(nullptr),
        module_list_(nullptr) {
    crashpad_info_.version = MinidumpCrashpadInfo::kVersion;
  }
  
  MinidumpCrashpadInfoWriter::~MinidumpCrashpadInfoWriter() {
  }
  
  void MinidumpCrashpadInfoWriter::InitializeFromSnapshot(
      const ProcessSnapshot* process_snapshot) {
    DCHECK_EQ(state(), kStateMutable);
    DCHECK(!module_list_);
  
    UUID report_id;
    process_snapshot->ReportID(&report_id);
    SetReportID(report_id);
  
    UUID client_id;
    process_snapshot->ClientID(&client_id);
    SetClientID(client_id);
  
    auto simple_annotations =
        make_scoped_ptr(new MinidumpSimpleStringDictionaryWriter());
    simple_annotations->InitializeFromMap(
        process_snapshot->AnnotationsSimpleMap());
    if (simple_annotations->IsUseful()) {
      SetSimpleAnnotations(simple_annotations.Pass());
    }
  
    auto modules = make_scoped_ptr(new MinidumpModuleCrashpadInfoListWriter());
    modules->InitializeFromSnapshot(process_snapshot->Modules());
  
    if (modules->IsUseful()) {
      SetModuleList(modules.Pass());
    }
  }
  
  void MinidumpCrashpadInfoWriter::SetReportID(const UUID& report_id) {
    DCHECK_EQ(state(), kStateMutable);
  
    crashpad_info_.report_id = report_id;
  }
  
  void MinidumpCrashpadInfoWriter::SetClientID(const UUID& client_id) {
    DCHECK_EQ(state(), kStateMutable);
  
    crashpad_info_.client_id = client_id;
  }
  
  void MinidumpCrashpadInfoWriter::SetSimpleAnnotations(
      scoped_ptr<MinidumpSimpleStringDictionaryWriter> simple_annotations) {
    DCHECK_EQ(state(), kStateMutable);
  
    simple_annotations_ = simple_annotations.Pass();
  }
  
  void MinidumpCrashpadInfoWriter::SetModuleList(
      scoped_ptr<MinidumpModuleCrashpadInfoListWriter> module_list) {
    DCHECK_EQ(state(), kStateMutable);
  
    module_list_ = module_list.Pass();
  }
  
  bool MinidumpCrashpadInfoWriter::Freeze() {
    DCHECK_EQ(state(), kStateMutable);
  
    if (!MinidumpStreamWriter::Freeze()) {
      return false;
    }
  
    if (simple_annotations_) {
      simple_annotations_->RegisterLocationDescriptor(
          &crashpad_info_.simple_annotations);
    }
    if (module_list_) {
      module_list_->RegisterLocationDescriptor(&crashpad_info_.module_list);
    }
  
    return true;
  }
  
  size_t MinidumpCrashpadInfoWriter::SizeOfObject() {
    DCHECK_GE(state(), kStateFrozen);
  
    return sizeof(crashpad_info_);
  }
  
  std::vector<internal::MinidumpWritable*>
  MinidumpCrashpadInfoWriter::Children() {
    DCHECK_GE(state(), kStateFrozen);
  
    std::vector<MinidumpWritable*> children;
    if (simple_annotations_) {
      children.push_back(simple_annotations_.get());
    }
    if (module_list_) {
      children.push_back(module_list_.get());
    }
  
    return children;
  }
  
  bool MinidumpCrashpadInfoWriter::WriteObject(FileWriterInterface* file_writer) {
    DCHECK_EQ(state(), kStateWritable);
  
    return file_writer->Write(&crashpad_info_, sizeof(crashpad_info_));
  }
  
  MinidumpStreamType MinidumpCrashpadInfoWriter::StreamType() const {
    return kMinidumpStreamTypeCrashpadInfo;
  }
  
  bool MinidumpCrashpadInfoWriter::IsUseful() const {
    return crashpad_info_.report_id != UUID() ||
           crashpad_info_.client_id != UUID() ||
           simple_annotations_ ||
           module_list_;
  }
  
  }  // namespace crashpad
  