Add MinidumpCrashpadModule, its list form, their writers, and their tests

minidump/minidump_crashpad_module_writer.h

Index: minidump/minidump_crashpad_module_writer.h
diff --git a/minidump/minidump_crashpad_module_writer.h b/minidump/minidump_crashpad_module_writer.h
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+// 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.
+
+#ifndef CRASHPAD_MINIDUMP_MINIDUMP_CRASHPAD_MODULE_WRITER_H_
+#define CRASHPAD_MINIDUMP_MINIDUMP_CRASHPAD_MODULE_WRITER_H_
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "minidump/minidump_extensions.h"
+#include "minidump/minidump_writable.h"
+
+namespace crashpad {
+
+class MinidumpSimpleStringDictionaryWriter;
+
+//! \brief The writer for a MinidumpCrashpadModule object in a minidump file.
+class MinidumpCrashpadModuleWriter final : public internal::MinidumpWritable {
+ public:
+  MinidumpCrashpadModuleWriter();
+  ~MinidumpCrashpadModuleWriter();
+
+  //! \brief Sets MinidumpCrashpadModule::minidump_module_list_index.
+  void SetMinidumpModuleListIndex(uint32_t minidump_module_list_index) {
+    crashpad_module_.minidump_module_list_index = minidump_module_list_index;
+  }
+
+  //! \brief Arranges for MinidumpCrashpadModule::simple_annotations to point to
+  //!     the MinidumpSimpleStringDictionaryWriter object to be written by \a
+  //!     simple_annotations.
+  //!
+  //! \a simple_annotations will become a child of this object in the overall
+  //! tree of internal::MinidumpWritable objects.
+  //!
+  //! \note Valid in #kStateMutable.
+  void SetSimpleAnnotations(
+      MinidumpSimpleStringDictionaryWriter* simple_annotations);
+
+ protected:
+  // MinidumpWritable:
+  bool Freeze() override;
+  size_t SizeOfObject() override;
+  std::vector<MinidumpWritable*> Children() override;
+  bool WriteObject(FileWriterInterface* file_writer) override;
+
+ private:
+  MinidumpCrashpadModule crashpad_module_;
+  MinidumpSimpleStringDictionaryWriter* simple_annotations_;  // weak
+
+  DISALLOW_COPY_AND_ASSIGN(MinidumpCrashpadModuleWriter);
+};
+
+//! \brief The writer for a MinidumpCrashpadModuleList object in a minidump
+//!     file, containing a list of MinidumpCrashpadModule objects.
+class MinidumpCrashpadModuleListWriter final
+    : public internal::MinidumpWritable {
+ public:
+  MinidumpCrashpadModuleListWriter();
+  ~MinidumpCrashpadModuleListWriter();
+
+  //! \brief Adds a MinidumpCrashpadModule to the MinidumpCrashpadModuleList.
+  //!
+  //! \a crashpad_module will become a child of this object in the overall tree
+  //!     of internal::MinidumpWritable objects.
+  //!
+  //! \note Valid in #kStateMutable.
+  void AddCrashpadModule(MinidumpCrashpadModuleWriter* crashpad_module);
+
+ protected:
+  // MinidumpWritable:
+  bool Freeze() override;
+  size_t SizeOfObject() override;
+  std::vector<MinidumpWritable*> Children() override;
+  bool WriteObject(FileWriterInterface* file_writer) override;
+
+ private:
+  MinidumpCrashpadModuleList crashpad_module_list_base_;
+  std::vector<MinidumpCrashpadModuleWriter*> crashpad_modules_;  // weak
+  std::vector<MINIDUMP_LOCATION_DESCRIPTOR>
+      crashpad_module_location_descriptors_;
+
+  DISALLOW_COPY_AND_ASSIGN(MinidumpCrashpadModuleListWriter);
+};
+
+}  // namespace crashpad
+
+#endif  // CRASHPAD_MINIDUMP_MINIDUMP_CRASHPAD_MODULE_WRITER_H_