mirror of
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159 lines
6.8 KiB
C++
159 lines
6.8 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// http://code.google.com/p/protobuf/
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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)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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// Copyright (c) 2008-2025, Dave Benson and the protobuf-c authors.
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// All rights reserved.
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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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//
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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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//
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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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// Modified to implement C code by Dave Benson.
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#include <google/protobuf/io/printer.h>
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#include <google/protobuf/wire_format.h>
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#include <protobuf-c/protobuf-c.pb.h>
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#include "c_bytes_field.h"
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#include "c_helpers.h"
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namespace protobuf_c {
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void SetBytesVariables(const google::protobuf::FieldDescriptor* descriptor,
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std::map<std::string, std::string>* variables) {
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(*variables)["name"] = FieldName(descriptor);
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(*variables)["default"] =
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"\"" + CEscape(descriptor->default_value_string()) + "\"";
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(*variables)["deprecated"] = FieldDeprecated(descriptor);
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}
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// ===================================================================
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BytesFieldGenerator::
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BytesFieldGenerator(const google::protobuf::FieldDescriptor* descriptor)
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: FieldGenerator(descriptor) {
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SetBytesVariables(descriptor, &variables_);
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variables_["default_value"] = descriptor->has_default_value()
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? GetDefaultValue()
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: std::string("{0,NULL}");
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}
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BytesFieldGenerator::~BytesFieldGenerator() {}
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void BytesFieldGenerator::GenerateStructMembers(google::protobuf::io::Printer* printer) const
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{
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switch (descriptor_->label()) {
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case google::protobuf::FieldDescriptor::LABEL_REQUIRED:
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printer->Print(variables_, "ProtobufCBinaryData $name$$deprecated$;\n");
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break;
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case google::protobuf::FieldDescriptor::LABEL_OPTIONAL:
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if (descriptor_->containing_oneof() == NULL && FieldSyntax(descriptor_) == 2)
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printer->Print(variables_, "protobuf_c_boolean has_$name$$deprecated$;\n");
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printer->Print(variables_, "ProtobufCBinaryData $name$$deprecated$;\n");
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break;
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case google::protobuf::FieldDescriptor::LABEL_REPEATED:
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printer->Print(variables_, "size_t n_$name$$deprecated$;\n");
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printer->Print(variables_, "ProtobufCBinaryData *$name$$deprecated$;\n");
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break;
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}
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}
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void BytesFieldGenerator::GenerateDefaultValueDeclarations(google::protobuf::io::Printer* printer) const
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{
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std::map<std::string, std::string> vars;
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vars["default_value_data"] = FullNameToLower(descriptor_->full_name(), descriptor_->file())
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+ "__default_value_data";
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printer->Print(vars, "extern uint8_t $default_value_data$[];\n");
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}
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void BytesFieldGenerator::GenerateDefaultValueImplementations(google::protobuf::io::Printer* printer) const
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{
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std::map<std::string, std::string> vars;
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vars["default_value_data"] = FullNameToLower(descriptor_->full_name(), descriptor_->file())
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+ "__default_value_data";
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vars["escaped"] = CEscape(descriptor_->default_value_string());
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printer->Print(vars, "uint8_t $default_value_data$[] = \"$escaped$\";\n");
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}
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std::string BytesFieldGenerator::GetDefaultValue(void) const
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{
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return "{ "
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+ SimpleItoa(descriptor_->default_value_string().size())
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+ ", "
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+ FullNameToLower(descriptor_->full_name(), descriptor_->file())
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+ "__default_value_data }";
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}
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void BytesFieldGenerator::GenerateStaticInit(google::protobuf::io::Printer* printer) const
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{
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switch (descriptor_->label()) {
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case google::protobuf::FieldDescriptor::LABEL_REQUIRED:
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printer->Print(variables_, "$default_value$");
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break;
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case google::protobuf::FieldDescriptor::LABEL_OPTIONAL:
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if (FieldSyntax(descriptor_) == 2)
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printer->Print(variables_, "0, ");
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printer->Print(variables_, "$default_value$");
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break;
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case google::protobuf::FieldDescriptor::LABEL_REPEATED:
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// no support for default?
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printer->Print("0,NULL");
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break;
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}
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}
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void BytesFieldGenerator::GenerateDescriptorInitializer(google::protobuf::io::Printer* printer) const
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{
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GenerateDescriptorInitializerGeneric(printer, true, "BYTES", "NULL");
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}
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} // namespace protobuf_c
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