diff options
Diffstat (limited to 'depends/protobuf/google/protobuf/unknown_field_set.cc')
| -rw-r--r-- | depends/protobuf/google/protobuf/unknown_field_set.cc | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/depends/protobuf/google/protobuf/unknown_field_set.cc b/depends/protobuf/google/protobuf/unknown_field_set.cc new file mode 100644 index 00000000..e1f8b838 --- /dev/null +++ b/depends/protobuf/google/protobuf/unknown_field_set.cc @@ -0,0 +1,204 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// http://code.google.com/p/protobuf/ +// +// 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. + +// Author: kenton@google.com (Kenton Varda) +// Based on original Protocol Buffers design by +// Sanjay Ghemawat, Jeff Dean, and others. + +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/unknown_field_set.h> +#include <google/protobuf/stubs/stl_util-inl.h> +#include <google/protobuf/io/coded_stream.h> +#include <google/protobuf/io/zero_copy_stream.h> +#include <google/protobuf/io/zero_copy_stream_impl.h> +#include <google/protobuf/wire_format.h> + +namespace google { +namespace protobuf { + +UnknownFieldSet::UnknownFieldSet() + : fields_(NULL) {} + +UnknownFieldSet::~UnknownFieldSet() { + Clear(); + delete fields_; +} + +void UnknownFieldSet::ClearFallback() { + GOOGLE_DCHECK(fields_ != NULL); + for (int i = 0; i < fields_->size(); i++) { + (*fields_)[i].Delete(); + } + fields_->clear(); +} + +void UnknownFieldSet::MergeFrom(const UnknownFieldSet& other) { + for (int i = 0; i < other.field_count(); i++) { + AddField(other.field(i)); + } +} + +int UnknownFieldSet::SpaceUsedExcludingSelf() const { + if (fields_ == NULL) return 0; + + int total_size = sizeof(*fields_) + sizeof(UnknownField) * fields_->size(); + for (int i = 0; i < fields_->size(); i++) { + const UnknownField& field = (*fields_)[i]; + switch (field.type()) { + case UnknownField::TYPE_LENGTH_DELIMITED: + total_size += sizeof(*field.length_delimited_) + + internal::StringSpaceUsedExcludingSelf(*field.length_delimited_); + break; + case UnknownField::TYPE_GROUP: + total_size += field.group_->SpaceUsed(); + break; + default: + break; + } + } + return total_size; +} + +int UnknownFieldSet::SpaceUsed() const { + return sizeof(*this) + SpaceUsedExcludingSelf(); +} + +void UnknownFieldSet::AddVarint(int number, uint64 value) { + if (fields_ == NULL) fields_ = new vector<UnknownField>; + UnknownField field; + field.number_ = number; + field.type_ = UnknownField::TYPE_VARINT; + field.varint_ = value; + fields_->push_back(field); +} + +void UnknownFieldSet::AddFixed32(int number, uint32 value) { + if (fields_ == NULL) fields_ = new vector<UnknownField>; + UnknownField field; + field.number_ = number; + field.type_ = UnknownField::TYPE_FIXED32; + field.fixed32_ = value; + fields_->push_back(field); +} + +void UnknownFieldSet::AddFixed64(int number, uint64 value) { + if (fields_ == NULL) fields_ = new vector<UnknownField>; + UnknownField field; + field.number_ = number; + field.type_ = UnknownField::TYPE_FIXED64; + field.fixed64_ = value; + fields_->push_back(field); +} + +string* UnknownFieldSet::AddLengthDelimited(int number) { + if (fields_ == NULL) fields_ = new vector<UnknownField>; + UnknownField field; + field.number_ = number; + field.type_ = UnknownField::TYPE_LENGTH_DELIMITED; + field.length_delimited_ = new string; + fields_->push_back(field); + return field.length_delimited_; +} + +UnknownFieldSet* UnknownFieldSet::AddGroup(int number) { + if (fields_ == NULL) fields_ = new vector<UnknownField>; + UnknownField field; + field.number_ = number; + field.type_ = UnknownField::TYPE_GROUP; + field.group_ = new UnknownFieldSet; + fields_->push_back(field); + return field.group_; +} + +void UnknownFieldSet::AddField(const UnknownField& field) { + if (fields_ == NULL) fields_ = new vector<UnknownField>; + fields_->push_back(field); + fields_->back().DeepCopy(); +} + +bool UnknownFieldSet::MergeFromCodedStream(io::CodedInputStream* input) { + + UnknownFieldSet other; + if (internal::WireFormat::SkipMessage(input, &other) && + input->ConsumedEntireMessage()) { + MergeFrom(other); + return true; + } else { + return false; + } +} + +bool UnknownFieldSet::ParseFromCodedStream(io::CodedInputStream* input) { + Clear(); + return MergeFromCodedStream(input); +} + +bool UnknownFieldSet::ParseFromZeroCopyStream(io::ZeroCopyInputStream* input) { + io::CodedInputStream coded_input(input); + return ParseFromCodedStream(&coded_input) && + coded_input.ConsumedEntireMessage(); +} + +bool UnknownFieldSet::ParseFromArray(const void* data, int size) { + io::ArrayInputStream input(data, size); + return ParseFromZeroCopyStream(&input); +} + +void UnknownField::Delete() { + switch (type()) { + case UnknownField::TYPE_LENGTH_DELIMITED: + delete length_delimited_; + break; + case UnknownField::TYPE_GROUP: + delete group_; + break; + default: + break; + } +} + +void UnknownField::DeepCopy() { + switch (type()) { + case UnknownField::TYPE_LENGTH_DELIMITED: + length_delimited_ = new string(*length_delimited_); + break; + case UnknownField::TYPE_GROUP: { + UnknownFieldSet* group = new UnknownFieldSet; + group->MergeFrom(*group_); + group_ = group; + break; + } + default: + break; + } +} + +} // namespace protobuf +} // namespace google |
