202 lines
7.1 KiB
C++
202 lines
7.1 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Author: kenton@google.com (Kenton Varda) and others
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//
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// Contains basic types and utilities used by the rest of the library.
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#ifndef GOOGLE_PROTOBUF_COMMON_H__
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#define GOOGLE_PROTOBUF_COMMON_H__
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#include <algorithm>
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#include <iostream>
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#include <map>
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#include <memory>
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#include <set>
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#include <string>
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#include <vector>
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#include <google/protobuf/stubs/macros.h>
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#include <google/protobuf/stubs/platform_macros.h>
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#include <google/protobuf/stubs/port.h>
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#include <google/protobuf/stubs/stringpiece.h>
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#ifndef PROTOBUF_USE_EXCEPTIONS
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#if defined(_MSC_VER) && defined(_CPPUNWIND)
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#define PROTOBUF_USE_EXCEPTIONS 1
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#elif defined(__EXCEPTIONS)
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#define PROTOBUF_USE_EXCEPTIONS 1
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#else
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#define PROTOBUF_USE_EXCEPTIONS 0
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#endif
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#endif
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#if PROTOBUF_USE_EXCEPTIONS
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#include <exception>
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#endif
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#if defined(__APPLE__)
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#include <TargetConditionals.h> // for TARGET_OS_IPHONE
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#endif
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#if defined(__ANDROID__) || defined(GOOGLE_PROTOBUF_OS_ANDROID) || (defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE) || defined(GOOGLE_PROTOBUF_OS_IPHONE)
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#include <pthread.h>
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#endif
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#include <google/protobuf/port_def.inc>
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namespace std {}
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namespace google {
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namespace protobuf {
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namespace internal {
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// Some of these constants are macros rather than const ints so that they can
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// be used in #if directives.
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// The current version, represented as a single integer to make comparison
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// easier: major * 10^6 + minor * 10^3 + micro
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#define GOOGLE_PROTOBUF_VERSION 3018001
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// A suffix string for alpha, beta or rc releases. Empty for stable releases.
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#define GOOGLE_PROTOBUF_VERSION_SUFFIX ""
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// The minimum header version which works with the current version of
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// the library. This constant should only be used by protoc's C++ code
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// generator.
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static const int kMinHeaderVersionForLibrary = 3018000;
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// The minimum protoc version which works with the current version of the
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// headers.
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#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3018000
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// The minimum header version which works with the current version of
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// protoc. This constant should only be used in VerifyVersion().
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static const int kMinHeaderVersionForProtoc = 3018000;
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// Verifies that the headers and libraries are compatible. Use the macro
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// below to call this.
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void PROTOBUF_EXPORT VerifyVersion(int headerVersion, int minLibraryVersion,
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const char* filename);
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// Converts a numeric version number to a string.
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std::string PROTOBUF_EXPORT VersionString(int version);
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} // namespace internal
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// Place this macro in your main() function (or somewhere before you attempt
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// to use the protobuf library) to verify that the version you link against
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// matches the headers you compiled against. If a version mismatch is
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// detected, the process will abort.
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#define GOOGLE_PROTOBUF_VERIFY_VERSION \
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::google::protobuf::internal::VerifyVersion( \
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GOOGLE_PROTOBUF_VERSION, GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION, \
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__FILE__)
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// ===================================================================
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// from google3/util/utf8/public/unilib.h
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namespace internal {
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// Checks if the buffer contains structurally-valid UTF-8. Implemented in
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// structurally_valid.cc.
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PROTOBUF_EXPORT bool IsStructurallyValidUTF8(const char* buf, int len);
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inline bool IsStructurallyValidUTF8(StringPiece str) {
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return IsStructurallyValidUTF8(str.data(), static_cast<int>(str.length()));
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}
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// Returns initial number of bytes of structurally valid UTF-8.
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PROTOBUF_EXPORT int UTF8SpnStructurallyValid(StringPiece str);
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// Coerce UTF-8 byte string in src_str to be
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// a structurally-valid equal-length string by selectively
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// overwriting illegal bytes with replace_char (typically ' ' or '?').
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// replace_char must be legal printable 7-bit Ascii 0x20..0x7e.
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// src_str is read-only.
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//
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// Returns pointer to output buffer, src_str.data() if no changes were made,
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// or idst if some bytes were changed. idst is allocated by the caller
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// and must be at least as big as src_str
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//
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// Optimized for: all structurally valid and no byte copying is done.
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//
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PROTOBUF_EXPORT char* UTF8CoerceToStructurallyValid(StringPiece str, char* dst,
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char replace_char);
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} // namespace internal
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// This lives in message_lite.h now, but we leave this here for any users that
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// #include common.h and not message_lite.h.
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PROTOBUF_EXPORT void ShutdownProtobufLibrary();
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namespace internal {
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// Strongly references the given variable such that the linker will be forced
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// to pull in this variable's translation unit.
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template <typename T>
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void StrongReference(const T& var) {
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auto volatile unused = &var;
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(void)&unused; // Use address to avoid an extra load of "unused".
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}
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} // namespace internal
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#if PROTOBUF_USE_EXCEPTIONS
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class FatalException : public std::exception {
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public:
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FatalException(const char* filename, int line, const std::string& message)
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: filename_(filename), line_(line), message_(message) {}
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virtual ~FatalException() throw();
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virtual const char* what() const throw() override;
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const char* filename() const { return filename_; }
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int line() const { return line_; }
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const std::string& message() const { return message_; }
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private:
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const char* filename_;
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const int line_;
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const std::string message_;
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};
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#endif
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// This is at the end of the file instead of the beginning to work around a bug
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// in some versions of MSVC.
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using std::string;
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} // namespace protobuf
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} // namespace google
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#include <google/protobuf/port_undef.inc>
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#endif // GOOGLE_PROTOBUF_COMMON_H__
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