diff options
Diffstat (limited to 'NorthstarDedicatedTest/include/protobuf/generated_enum_util.cc')
-rw-r--r-- | NorthstarDedicatedTest/include/protobuf/generated_enum_util.cc | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/protobuf/generated_enum_util.cc b/NorthstarDedicatedTest/include/protobuf/generated_enum_util.cc new file mode 100644 index 00000000..70c43819 --- /dev/null +++ b/NorthstarDedicatedTest/include/protobuf/generated_enum_util.cc @@ -0,0 +1,95 @@ +// 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. + +#include <generated_enum_util.h> + +#include <algorithm> + +#include <generated_message_util.h> + +namespace google { +namespace protobuf { +namespace internal { +namespace { + +bool EnumCompareByName(const EnumEntry& a, const EnumEntry& b) { + return StringPiece(a.name) < StringPiece(b.name); +} + +// Gets the numeric value of the EnumEntry at the given index, but returns a +// special value for the index -1. This gives a way to use std::lower_bound on a +// sorted array of indices while searching for value that we associate with -1. +int GetValue(const EnumEntry* enums, int i, int target) { + if (i == -1) { + return target; + } else { + return enums[i].value; + } +} + +} // namespace + +bool LookUpEnumValue(const EnumEntry* enums, size_t size, + StringPiece name, int* value) { + EnumEntry target{name, 0}; + auto it = std::lower_bound(enums, enums + size, target, EnumCompareByName); + if (it != enums + size && it->name == name) { + *value = it->value; + return true; + } + return false; +} + +int LookUpEnumName(const EnumEntry* enums, const int* sorted_indices, + size_t size, int value) { + auto comparator = [enums, value](int a, int b) { + return GetValue(enums, a, value) < GetValue(enums, b, value); + }; + auto it = + std::lower_bound(sorted_indices, sorted_indices + size, -1, comparator); + if (it != sorted_indices + size && enums[*it].value == value) { + return it - sorted_indices; + } + return -1; +} + +bool InitializeEnumStrings( + const EnumEntry* enums, const int* sorted_indices, size_t size, + internal::ExplicitlyConstructed<std::string>* enum_strings) { + for (size_t i = 0; i < size; ++i) { + enum_strings[i].Construct(enums[sorted_indices[i]].name); + internal::OnShutdownDestroyString(enum_strings[i].get_mutable()); + } + return true; +} + +} // namespace internal +} // namespace protobuf +} // namespace google |