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309 lines
12 KiB
C++
309 lines
12 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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#include <sstream>
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#include <thirdparty/protobuf/compiler/code_generator.h>
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#include <thirdparty/protobuf/descriptor.h>
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#include <thirdparty/protobuf/descriptor.pb.h>
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#include <thirdparty/protobuf/io/printer.h>
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#include <thirdparty/protobuf/io/zero_copy_stream.h>
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#include <thirdparty/protobuf/compiler/csharp/csharp_doc_comment.h>
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#include <thirdparty/protobuf/compiler/csharp/csharp_helpers.h>
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#include <thirdparty/protobuf/compiler/csharp/csharp_options.h>
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#include <thirdparty/protobuf/compiler/csharp/csharp_wrapper_field.h>
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace csharp {
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WrapperFieldGenerator::WrapperFieldGenerator(const FieldDescriptor* descriptor,
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int presenceIndex, const Options *options)
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: FieldGeneratorBase(descriptor, presenceIndex, options) {
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variables_["has_property_check"] = name() + "_ != null";
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variables_["has_not_property_check"] = name() + "_ == null";
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const FieldDescriptor* wrapped_field = descriptor->message_type()->field(0);
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is_value_type = wrapped_field->type() != FieldDescriptor::TYPE_STRING &&
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wrapped_field->type() != FieldDescriptor::TYPE_BYTES;
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if (is_value_type) {
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variables_["nonnullable_type_name"] = type_name(wrapped_field);
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}
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}
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WrapperFieldGenerator::~WrapperFieldGenerator() {
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}
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void WrapperFieldGenerator::GenerateMembers(io::Printer* printer) {
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printer->Print(
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variables_,
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"private static readonly pb::FieldCodec<$type_name$> _single_$name$_codec = ");
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GenerateCodecCode(printer);
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printer->Print(
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variables_,
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";\n"
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"private $type_name$ $name$_;\n");
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WritePropertyDocComment(printer, descriptor_);
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AddPublicMemberAttributes(printer);
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printer->Print(
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variables_,
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"$access_level$ $type_name$ $property_name$ {\n"
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" get { return $name$_; }\n"
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" set {\n"
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" $name$_ = value;\n"
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" }\n"
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"}\n\n");
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if (SupportsPresenceApi(descriptor_)) {
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printer->Print(
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variables_,
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"/// <summary>Gets whether the $descriptor_name$ field is set</summary>\n");
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AddPublicMemberAttributes(printer);
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printer->Print(
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variables_,
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"$access_level$ bool Has$property_name$ {\n"
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" get { return $name$_ != null; }\n"
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"}\n\n");
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printer->Print(
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variables_,
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"/// <summary>Clears the value of the $descriptor_name$ field</summary>\n");
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AddPublicMemberAttributes(printer);
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printer->Print(
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variables_,
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"$access_level$ void Clear$property_name$() {\n"
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" $name$_ = null;\n"
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"}\n");
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}
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}
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void WrapperFieldGenerator::GenerateMergingCode(io::Printer* printer) {
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printer->Print(
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variables_,
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"if (other.$has_property_check$) {\n"
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" if ($has_not_property_check$ || other.$property_name$ != $default_value$) {\n"
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" $property_name$ = other.$property_name$;\n"
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" }\n"
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"}\n");
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}
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void WrapperFieldGenerator::GenerateParsingCode(io::Printer* printer) {
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GenerateParsingCode(printer, true);
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}
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void WrapperFieldGenerator::GenerateParsingCode(io::Printer* printer, bool use_parse_context) {
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printer->Print(
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variables_,
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use_parse_context
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? "$type_name$ value = _single_$name$_codec.Read(ref input);\n"
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"if ($has_not_property_check$ || value != $default_value$) {\n"
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" $property_name$ = value;\n"
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"}\n"
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: "$type_name$ value = _single_$name$_codec.Read(input);\n"
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"if ($has_not_property_check$ || value != $default_value$) {\n"
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" $property_name$ = value;\n"
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"}\n");
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}
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void WrapperFieldGenerator::GenerateSerializationCode(io::Printer* printer) {
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GenerateSerializationCode(printer, true);
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}
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void WrapperFieldGenerator::GenerateSerializationCode(io::Printer* printer, bool use_write_context) {
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printer->Print(
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variables_,
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use_write_context
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? "if ($has_property_check$) {\n"
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" _single_$name$_codec.WriteTagAndValue(ref output, $property_name$);\n"
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"}\n"
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: "if ($has_property_check$) {\n"
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" _single_$name$_codec.WriteTagAndValue(output, $property_name$);\n"
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"}\n");
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}
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void WrapperFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) {
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printer->Print(
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variables_,
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"if ($has_property_check$) {\n"
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" size += _single_$name$_codec.CalculateSizeWithTag($property_name$);\n"
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"}\n");
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}
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void WrapperFieldGenerator::WriteHash(io::Printer* printer) {
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const char *text = "if ($has_property_check$) hash ^= $property_name$.GetHashCode();\n";
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if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_FLOAT) {
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text = "if ($has_property_check$) hash ^= pbc::ProtobufEqualityComparers.BitwiseNullableSingleEqualityComparer.GetHashCode($property_name$);\n";
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}
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else if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_DOUBLE) {
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text = "if ($has_property_check$) hash ^= pbc::ProtobufEqualityComparers.BitwiseNullableDoubleEqualityComparer.GetHashCode($property_name$);\n";
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}
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printer->Print(variables_, text);
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}
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void WrapperFieldGenerator::WriteEquals(io::Printer* printer) {
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const char *text = "if ($property_name$ != other.$property_name$) return false;\n";
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if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_FLOAT) {
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text = "if (!pbc::ProtobufEqualityComparers.BitwiseNullableSingleEqualityComparer.Equals($property_name$, other.$property_name$)) return false;\n";
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}
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else if (descriptor_->message_type()->field(0)->type() == FieldDescriptor::TYPE_DOUBLE) {
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text = "if (!pbc::ProtobufEqualityComparers.BitwiseNullableDoubleEqualityComparer.Equals($property_name$, other.$property_name$)) return false;\n";
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}
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printer->Print(variables_, text);
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}
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void WrapperFieldGenerator::WriteToString(io::Printer* printer) {
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// TODO: Implement if we ever actually need it...
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}
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void WrapperFieldGenerator::GenerateCloningCode(io::Printer* printer) {
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printer->Print(variables_,
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"$property_name$ = other.$property_name$;\n");
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}
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void WrapperFieldGenerator::GenerateCodecCode(io::Printer* printer) {
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if (is_value_type) {
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printer->Print(
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variables_,
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"pb::FieldCodec.ForStructWrapper<$nonnullable_type_name$>($tag$)");
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} else {
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printer->Print(
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variables_,
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"pb::FieldCodec.ForClassWrapper<$type_name$>($tag$)");
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}
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}
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void WrapperFieldGenerator::GenerateExtensionCode(io::Printer* printer) {
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WritePropertyDocComment(printer, descriptor_);
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AddDeprecatedFlag(printer);
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printer->Print(
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variables_,
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"$access_level$ static readonly pb::Extension<$extended_type$, $type_name$> $property_name$ =\n"
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" new pb::Extension<$extended_type$, $type_name$>($number$, ");
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GenerateCodecCode(printer);
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printer->Print(");\n");
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}
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WrapperOneofFieldGenerator::WrapperOneofFieldGenerator(
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const FieldDescriptor* descriptor, int presenceIndex, const Options *options)
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: WrapperFieldGenerator(descriptor, presenceIndex, options) {
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SetCommonOneofFieldVariables(&variables_);
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}
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WrapperOneofFieldGenerator::~WrapperOneofFieldGenerator() {
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}
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void WrapperOneofFieldGenerator::GenerateMembers(io::Printer* printer) {
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// Note: deliberately _oneof_$name$_codec, not _$oneof_name$_codec... we have one codec per field.
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printer->Print(
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variables_,
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"private static readonly pb::FieldCodec<$type_name$> _oneof_$name$_codec = ");
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GenerateCodecCode(printer);
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printer->Print(";\n");
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WritePropertyDocComment(printer, descriptor_);
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AddPublicMemberAttributes(printer);
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printer->Print(
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variables_,
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"$access_level$ $type_name$ $property_name$ {\n"
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" get { return $has_property_check$ ? ($type_name$) $oneof_name$_ : ($type_name$) null; }\n"
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" set {\n"
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" $oneof_name$_ = value;\n"
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" $oneof_name$Case_ = value == null ? $oneof_property_name$OneofCase.None : $oneof_property_name$OneofCase.$oneof_case_name$;\n"
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" }\n"
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"}\n");
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if (SupportsPresenceApi(descriptor_)) {
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printer->Print(
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variables_,
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"/// <summary>Gets whether the \"$descriptor_name$\" field is set</summary>\n");
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AddPublicMemberAttributes(printer);
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printer->Print(
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variables_,
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"$access_level$ bool Has$property_name$ {\n"
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" get { return $oneof_name$Case_ == $oneof_property_name$OneofCase.$oneof_case_name$; }\n"
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"}\n");
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printer->Print(
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variables_,
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"/// <summary> Clears the value of the oneof if it's currently set to \"$descriptor_name$\" </summary>\n");
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AddPublicMemberAttributes(printer);
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printer->Print(
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variables_,
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"$access_level$ void Clear$property_name$() {\n"
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" if ($has_property_check$) {\n"
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" Clear$oneof_property_name$();\n"
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" }\n"
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"}\n");
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}
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}
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void WrapperOneofFieldGenerator::GenerateMergingCode(io::Printer* printer) {
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printer->Print(variables_, "$property_name$ = other.$property_name$;\n");
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}
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void WrapperOneofFieldGenerator::GenerateParsingCode(io::Printer* printer) {
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GenerateParsingCode(printer, true);
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}
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void WrapperOneofFieldGenerator::GenerateParsingCode(io::Printer* printer, bool use_parse_context) {
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printer->Print(
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variables_,
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use_parse_context
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? "$property_name$ = _oneof_$name$_codec.Read(ref input);\n"
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: "$property_name$ = _oneof_$name$_codec.Read(input);\n");
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}
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void WrapperOneofFieldGenerator::GenerateSerializationCode(io::Printer* printer) {
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GenerateSerializationCode(printer, true);
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}
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void WrapperOneofFieldGenerator::GenerateSerializationCode(io::Printer* printer, bool use_write_context) {
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// TODO: I suspect this is wrong...
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printer->Print(
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variables_,
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use_write_context
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? "if ($has_property_check$) {\n"
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" _oneof_$name$_codec.WriteTagAndValue(ref output, ($type_name$) $oneof_name$_);\n"
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"}\n"
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: "if ($has_property_check$) {\n"
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" _oneof_$name$_codec.WriteTagAndValue(output, ($type_name$) $oneof_name$_);\n"
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"}\n");
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}
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void WrapperOneofFieldGenerator::GenerateSerializedSizeCode(io::Printer* printer) {
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// TODO: I suspect this is wrong...
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printer->Print(
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variables_,
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"if ($has_property_check$) {\n"
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" size += _oneof_$name$_codec.CalculateSizeWithTag($property_name$);\n"
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"}\n");
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}
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} // namespace csharp
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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