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Diffstat (limited to 'third_party/protobuf/src/google/protobuf/util/internal/datapiece.h')
-rw-r--r-- | third_party/protobuf/src/google/protobuf/util/internal/datapiece.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/third_party/protobuf/src/google/protobuf/util/internal/datapiece.h b/third_party/protobuf/src/google/protobuf/util/internal/datapiece.h deleted file mode 100644 index f22bfe70d6..0000000000 --- a/third_party/protobuf/src/google/protobuf/util/internal/datapiece.h +++ /dev/null @@ -1,213 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_DATAPIECE_H__ -#define GOOGLE_PROTOBUF_UTIL_CONVERTER_DATAPIECE_H__ - -#include <string> - -#include <google/protobuf/stubs/common.h> -#include <google/protobuf/stubs/stringpiece.h> -#include <google/protobuf/stubs/statusor.h> - - -namespace google { -namespace protobuf { -class Enum; -} // namespace protobuf - - -namespace protobuf { -namespace util { -namespace converter { - -// Container for a single piece of data together with its data type. -// -// For primitive types (int32, int64, uint32, uint64, double, float, bool), -// the data is stored by value. -// -// For string, a StringPiece is stored. For Cord, a pointer to Cord is stored. -// Just like StringPiece, the DataPiece class does not own the storage for -// the actual string or Cord, so it is the user's responsiblity to guarantee -// that the underlying storage is still valid when the DataPiece is accessed. -class LIBPROTOBUF_EXPORT DataPiece { - public: - // Identifies data type of the value. - // These are the types supported by DataPiece. - enum Type { - TYPE_INT32 = 1, - TYPE_INT64 = 2, - TYPE_UINT32 = 3, - TYPE_UINT64 = 4, - TYPE_DOUBLE = 5, - TYPE_FLOAT = 6, - TYPE_BOOL = 7, - TYPE_ENUM = 8, - TYPE_STRING = 9, - TYPE_BYTES = 10, - TYPE_NULL = 11, // explicit NULL type - }; - - // Constructors and Destructor - explicit DataPiece(const int32 value) : type_(TYPE_INT32), i32_(value) {} - explicit DataPiece(const int64 value) : type_(TYPE_INT64), i64_(value) {} - explicit DataPiece(const uint32 value) : type_(TYPE_UINT32), u32_(value) {} - explicit DataPiece(const uint64 value) : type_(TYPE_UINT64), u64_(value) {} - explicit DataPiece(const double value) : type_(TYPE_DOUBLE), double_(value) {} - explicit DataPiece(const float value) : type_(TYPE_FLOAT), float_(value) {} - explicit DataPiece(const bool value) : type_(TYPE_BOOL), bool_(value) {} - explicit DataPiece(StringPiece value) - : type_(TYPE_STRING), - str_(StringPiecePod::CreateFromStringPiece(value)) {} - // Constructor for bytes. The second parameter is not used. - explicit DataPiece(StringPiece value, bool dummy) - : type_(TYPE_BYTES), str_(StringPiecePod::CreateFromStringPiece(value)) {} - DataPiece(const DataPiece& r) : type_(r.type_), str_(r.str_) {} - DataPiece& operator=(const DataPiece& x) { - type_ = x.type_; - str_ = x.str_; - return *this; - } - - static DataPiece NullData() { return DataPiece(TYPE_NULL, 0); } - - virtual ~DataPiece() { - } - - // Accessors - Type type() const { return type_; } - - StringPiece str() const { - GOOGLE_LOG_IF(DFATAL, type_ != TYPE_STRING) << "Not a string type."; - return str_; - } - - - // Parses, casts or converts the value stored in the DataPiece into an int32. - util::StatusOr<int32> ToInt32() const; - - // Parses, casts or converts the value stored in the DataPiece into a uint32. - util::StatusOr<uint32> ToUint32() const; - - // Parses, casts or converts the value stored in the DataPiece into an int64. - util::StatusOr<int64> ToInt64() const; - - // Parses, casts or converts the value stored in the DataPiece into a uint64. - util::StatusOr<uint64> ToUint64() const; - - // Parses, casts or converts the value stored in the DataPiece into a double. - util::StatusOr<double> ToDouble() const; - - // Parses, casts or converts the value stored in the DataPiece into a float. - util::StatusOr<float> ToFloat() const; - - // Parses, casts or converts the value stored in the DataPiece into a bool. - util::StatusOr<bool> ToBool() const; - - // Parses, casts or converts the value stored in the DataPiece into a string. - util::StatusOr<string> ToString() const; - - // Tries to convert the value contained in this datapiece to string. If the - // conversion fails, it returns the default_string. - string ValueAsStringOrDefault(StringPiece default_string) const; - - util::StatusOr<string> ToBytes() const; - - // Converts a value into protocol buffer enum number. If the value is a - // string, first attempts conversion by name, trying names as follows: - // 1) the directly provided string value. - // 2) the value upper-cased and replacing '-' by '_' - // If the value is not a string, attempts to convert to a 32-bit integer. - // If none of these succeeds, returns a conversion error status. - util::StatusOr<int> ToEnum(const google::protobuf::Enum* enum_type) const; - - private: - // Disallow implicit constructor. - DataPiece(); - - // Helper to create NULL or ENUM types. - DataPiece(Type type, int32 val) : type_(type), i32_(val) {} - - // For numeric conversion between - // int32, int64, uint32, uint64, double, float and bool - template <typename To> - util::StatusOr<To> GenericConvert() const; - - // For conversion from string to - // int32, int64, uint32, uint64, double, float and bool - template <typename To> - util::StatusOr<To> StringToNumber(bool (*func)(StringPiece, To*)) const; - - // Data type for this piece of data. - Type type_; - - // StringPiece is not a POD and can not be used in an union (pre C++11). We - // need a POD version of it. - struct StringPiecePod { - const char* data; - int size; - - // Create from a StringPiece. - static StringPiecePod CreateFromStringPiece(StringPiece str) { - StringPiecePod pod; - pod.data = str.data(); - pod.size = str.size(); - return pod; - } - - // Cast to StringPiece. - operator StringPiece() const { return StringPiece(data, size); } - - bool operator==(const char* value) const { - return StringPiece(data, size) == StringPiece(value); - } - - string ToString() const { return string(data, size); } - }; - - // Stored piece of data. - union { - int32 i32_; - int64 i64_; - uint32 u32_; - uint64 u64_; - double double_; - float float_; - bool bool_; - StringPiecePod str_; - }; -}; - -} // namespace converter -} // namespace util -} // namespace protobuf - -} // namespace google -#endif // GOOGLE_PROTOBUF_UTIL_CONVERTER_DATAPIECE_H__ |