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TEST=minidump_test MinidumpSimpleStringDictionaryWriter.* R=rsesek@chromium.org Review URL: https://codereview.chromium.org/656173003
134 lines
4.0 KiB
C++
134 lines
4.0 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_MINIDUMP_MINIDUMP_STRING_WRITER_H_
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#define CRASHPAD_MINIDUMP_MINIDUMP_STRING_WRITER_H_
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#include <dbghelp.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <string>
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#include "base/basictypes.h"
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#include "base/strings/string16.h"
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#include "minidump/minidump_extensions.h"
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#include "minidump/minidump_writable.h"
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#include "util/file/file_writer.h"
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namespace crashpad {
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namespace internal {
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//! \cond
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struct MinidumpStringWriterUTF16Traits {
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typedef string16 StringType;
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typedef MINIDUMP_STRING MinidumpStringType;
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};
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struct MinidumpStringWriterUTF8Traits {
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typedef std::string StringType;
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typedef MinidumpUTF8String MinidumpStringType;
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};
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//! \endcond
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//! \brief Writes a variable-length string to a minidump file in accordance with
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//! the string type’s characteristics.
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//!
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//! MinidumpStringWriter objects should not be instantiated directly. To write
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//! strings to minidump file, use the MinidumpUTF16StringWriter and
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//! MinidumpUTF8StringWriter subclasses instead.
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template <typename Traits>
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class MinidumpStringWriter : public MinidumpWritable {
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public:
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MinidumpStringWriter();
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~MinidumpStringWriter();
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protected:
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typedef typename Traits::MinidumpStringType MinidumpStringType;
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typedef typename Traits::StringType StringType;
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bool Freeze() override;
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size_t SizeOfObject() override;
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bool WriteObject(FileWriterInterface* file_writer) override;
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//! \brief Sets the string to be written.
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//!
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//! \note Valid in #kStateMutable.
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void set_string(const StringType& string) { string_.assign(string); }
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//! \brief Retrieves the string to be written.
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//!
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//! \note Valid in any state.
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const StringType& string() const { return string_; }
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private:
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MinidumpStringType string_base_;
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StringType string_;
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DISALLOW_COPY_AND_ASSIGN(MinidumpStringWriter);
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};
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//! \brief Writes a variable-length UTF-16-encoded MINIDUMP_STRING to a minidump
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//! file.
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//!
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//! MinidumpUTF16StringWriter objects should not be instantiated directly
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//! outside of the MinidumpWritable family of classes.
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class MinidumpUTF16StringWriter final
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: public MinidumpStringWriter<MinidumpStringWriterUTF16Traits> {
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public:
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MinidumpUTF16StringWriter() : MinidumpStringWriter() {}
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~MinidumpUTF16StringWriter() {}
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//! \brief Converts a UTF-8 string to UTF-16 and sets it as the string to be
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//! written.
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//!
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//! \note Valid in #kStateMutable.
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void SetUTF8(const std::string& string_utf8);
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private:
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DISALLOW_COPY_AND_ASSIGN(MinidumpUTF16StringWriter);
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};
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//! \brief Writes a variable-length UTF-8-encoded MinidumpUTF8String to a
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//! minidump file.
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//!
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//! MinidumpUTF8StringWriter objects should not be instantiated directly outside
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//! of the MinidumpWritable family of classes.
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class MinidumpUTF8StringWriter final
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: public MinidumpStringWriter<MinidumpStringWriterUTF8Traits> {
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public:
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MinidumpUTF8StringWriter() : MinidumpStringWriter() {}
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~MinidumpUTF8StringWriter() {}
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//! \brief Sets the string to be written.
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//!
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//! \note Valid in #kStateMutable.
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void SetUTF8(const std::string& string_utf8) { set_string(string_utf8); }
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//! \brief Retrieves the string to be written.
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//!
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//! \note Valid in any state.
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const std::string& UTF8() const { return string(); }
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private:
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DISALLOW_COPY_AND_ASSIGN(MinidumpUTF8StringWriter);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_MINIDUMP_MINIDUMP_STRING_WRITER_H_
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