487 lines
18 KiB
C++
487 lines
18 KiB
C++
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// 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 "google/protobuf/compiler/csharp/csharp_field_base.h"
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#include <cmath>
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#include <limits>
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#include <sstream>
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#include <string>
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#include "google/protobuf/compiler/code_generator.h"
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#include "absl/log/absl_log.h"
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#include "google/protobuf/compiler/csharp/csharp_helpers.h"
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#include "google/protobuf/compiler/csharp/names.h"
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#include "google/protobuf/descriptor.h"
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#include "google/protobuf/descriptor.pb.h"
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#include "google/protobuf/io/coded_stream.h"
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#include "google/protobuf/io/printer.h"
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#include "google/protobuf/wire_format.h"
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// Must be last.
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#include "google/protobuf/port_def.inc"
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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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void FieldGeneratorBase::SetCommonFieldVariables(
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absl::flat_hash_map<absl::string_view, std::string>* variables) {
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// Note: this will be valid even though the tag emitted for packed and unpacked versions of
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// repeated fields varies by wire format. The wire format is encoded in the bottom 3 bits, which
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// never effects the tag size.
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int tag_size = internal::WireFormat::TagSize(descriptor_->number(), descriptor_->type());
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int part_tag_size = tag_size;
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if (descriptor_->type() == FieldDescriptor::TYPE_GROUP) {
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part_tag_size /= 2;
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}
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uint tag = internal::WireFormat::MakeTag(descriptor_);
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uint8_t tag_array[5];
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io::CodedOutputStream::WriteTagToArray(tag, tag_array);
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std::string tag_bytes = absl::StrCat(tag_array[0]);
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for (int i = 1; i < part_tag_size; i++) {
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absl::StrAppend(&tag_bytes, ", ", tag_array[i]);
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}
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(*variables)["tag"] = absl::StrCat(tag);
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(*variables)["tag_size"] = absl::StrCat(tag_size);
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(*variables)["tag_bytes"] = tag_bytes;
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if (descriptor_->type() == FieldDescriptor::Type::TYPE_GROUP) {
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tag = internal::WireFormatLite::MakeTag(
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descriptor_->number(),
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internal::WireFormatLite::WIRETYPE_END_GROUP);
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io::CodedOutputStream::WriteTagToArray(tag, tag_array);
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tag_bytes = absl::StrCat(tag_array[0]);
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for (int i = 1; i < part_tag_size; i++) {
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absl::StrAppend(&tag_bytes, ", ", tag_array[i]);
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}
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variables_["end_tag"] = absl::StrCat(tag);
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variables_["end_tag_bytes"] = tag_bytes;
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}
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(*variables)["access_level"] = "public";
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(*variables)["property_name"] = property_name();
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(*variables)["type_name"] = type_name();
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(*variables)["extended_type"] = GetClassName(descriptor_->containing_type());
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(*variables)["name"] = name();
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(*variables)["descriptor_name"] = descriptor_->name();
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(*variables)["default_value"] = default_value();
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(*variables)["capitalized_type_name"] = capitalized_type_name();
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(*variables)["number"] = number();
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if (has_default_value() && !SupportsPresenceApi(descriptor_)) {
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variables->insert({"name_def_message",
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absl::StrCat((*variables)["name"],
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"_ = ", (*variables)["default_value"])});
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} else {
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variables->insert(
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{"name_def_message", absl::StrCat((*variables)["name"], "_")});
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}
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if (SupportsPresenceApi(descriptor_)) {
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variables->insert({"has_property_check",
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absl::StrCat("Has", (*variables)["property_name"])});
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variables->insert(
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{"other_has_property_check",
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absl::StrCat("other.Has", (*variables)["property_name"])});
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variables->insert({"has_not_property_check",
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absl::StrCat("!", (*variables)["has_property_check"])});
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variables->insert(
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{"other_has_not_property_check",
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absl::StrCat("!", (*variables)["other_has_property_check"])});
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if (presenceIndex_ != -1) {
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const int hasBitsNumber = presenceIndex_ / 32;
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const int hasBitsMask = 1 << (presenceIndex_ % 32);
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(*variables)["has_field_check"] = absl::StrCat(
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"(_hasBits", hasBitsNumber, " & ", hasBitsMask, ") != 0");
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(*variables)["set_has_field"] =
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absl::StrCat("_hasBits", hasBitsNumber, " |= ", hasBitsMask);
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(*variables)["clear_has_field"] =
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absl::StrCat("_hasBits", hasBitsNumber, " &= ~", hasBitsMask);
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}
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} else {
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variables->insert({"has_property_check",
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absl::StrCat((*variables)["property_name"],
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" != ", (*variables)["default_value"])});
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variables->insert({"other_has_property_check",
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absl::StrCat("other.", (*variables)["property_name"],
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" != ", (*variables)["default_value"])});
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}
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}
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void FieldGeneratorBase::SetCommonOneofFieldVariables(
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absl::flat_hash_map<absl::string_view, std::string>* variables) {
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(*variables)["oneof_name"] = oneof_name();
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if (SupportsPresenceApi(descriptor_)) {
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(*variables)["has_property_check"] = absl::StrCat("Has", property_name());
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} else {
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(*variables)["has_property_check"] =
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absl::StrCat(oneof_name(), "Case_ == ", oneof_property_name(),
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"OneofCase.", oneof_case_name());
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}
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(*variables)["oneof_case_name"] = oneof_case_name();
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(*variables)["oneof_property_name"] = oneof_property_name();
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}
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FieldGeneratorBase::FieldGeneratorBase(const FieldDescriptor* descriptor,
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int presenceIndex, const Options* options)
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: SourceGeneratorBase(options),
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descriptor_(descriptor),
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presenceIndex_(presenceIndex) {
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SetCommonFieldVariables(&variables_);
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}
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FieldGeneratorBase::~FieldGeneratorBase() {
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}
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void FieldGeneratorBase::GenerateFreezingCode(io::Printer* printer) {
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// No-op: only message fields and repeated fields need
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// special handling for freezing, so default to not generating any code.
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}
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void FieldGeneratorBase::GenerateCodecCode(io::Printer* printer) {
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// No-op: expect this to be overridden by appropriate types.
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// Could fail if we get called here though...
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}
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void FieldGeneratorBase::GenerateExtensionCode(io::Printer* printer) {
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// No-op: only message fields, enum fields, primitives,
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// and repeated fields need this default is to not generate any code
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}
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void FieldGeneratorBase::GenerateParsingCode(io::Printer* printer, bool use_parse_context) {
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// for some field types the value of "use_parse_context" doesn't matter,
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// so we fallback to the default implementation.
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GenerateParsingCode(printer);
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}
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void FieldGeneratorBase::GenerateSerializationCode(io::Printer* printer, bool use_write_context) {
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// for some field types the value of "use_write_context" doesn't matter,
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// so we fallback to the default implementation.
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GenerateSerializationCode(printer);
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}
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void FieldGeneratorBase::AddDeprecatedFlag(io::Printer* printer) {
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if (descriptor_->options().deprecated()) {
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printer->Print("[global::System.ObsoleteAttribute]\n");
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} else if (descriptor_->type() == FieldDescriptor::TYPE_MESSAGE &&
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descriptor_->message_type()->options().deprecated()) {
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printer->Print("[global::System.ObsoleteAttribute]\n");
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}
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}
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void FieldGeneratorBase::AddPublicMemberAttributes(io::Printer* printer) {
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AddDeprecatedFlag(printer);
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WriteGeneratedCodeAttributes(printer);
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}
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std::string FieldGeneratorBase::oneof_case_name() {
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return GetOneofCaseName(descriptor_);
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}
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std::string FieldGeneratorBase::oneof_property_name() {
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return UnderscoresToCamelCase(descriptor_->containing_oneof()->name(), true);
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}
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std::string FieldGeneratorBase::oneof_name() {
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return UnderscoresToCamelCase(descriptor_->containing_oneof()->name(), false);
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}
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std::string FieldGeneratorBase::property_name() {
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return GetPropertyName(descriptor_);
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}
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std::string FieldGeneratorBase::name() {
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return UnderscoresToCamelCase(GetFieldName(descriptor_), false);
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}
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std::string FieldGeneratorBase::type_name() {
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return type_name(descriptor_);
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}
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std::string FieldGeneratorBase::type_name(const FieldDescriptor* descriptor) {
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switch (descriptor->type()) {
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case FieldDescriptor::TYPE_ENUM:
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return GetClassName(descriptor->enum_type());
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case FieldDescriptor::TYPE_MESSAGE:
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case FieldDescriptor::TYPE_GROUP:
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if (IsWrapperType(descriptor)) {
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const FieldDescriptor* wrapped_field =
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descriptor->message_type()->field(0);
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std::string wrapped_field_type_name = type_name(wrapped_field);
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// String and ByteString go to the same type; other wrapped types
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// go to the nullable equivalent.
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if (wrapped_field->type() == FieldDescriptor::TYPE_STRING ||
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wrapped_field->type() == FieldDescriptor::TYPE_BYTES) {
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return wrapped_field_type_name;
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} else {
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return absl::StrCat(wrapped_field_type_name, "?");
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}
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}
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return GetClassName(descriptor->message_type());
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case FieldDescriptor::TYPE_DOUBLE:
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return "double";
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case FieldDescriptor::TYPE_FLOAT:
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return "float";
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case FieldDescriptor::TYPE_INT64:
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return "long";
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case FieldDescriptor::TYPE_UINT64:
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return "ulong";
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case FieldDescriptor::TYPE_INT32:
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return "int";
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case FieldDescriptor::TYPE_FIXED64:
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return "ulong";
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case FieldDescriptor::TYPE_FIXED32:
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return "uint";
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case FieldDescriptor::TYPE_BOOL:
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return "bool";
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case FieldDescriptor::TYPE_STRING:
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return "string";
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case FieldDescriptor::TYPE_BYTES:
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return "pb::ByteString";
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case FieldDescriptor::TYPE_UINT32:
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return "uint";
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case FieldDescriptor::TYPE_SFIXED32:
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return "int";
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case FieldDescriptor::TYPE_SFIXED64:
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return "long";
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case FieldDescriptor::TYPE_SINT32:
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return "int";
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case FieldDescriptor::TYPE_SINT64:
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return "long";
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default:
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ABSL_LOG(FATAL) << "Unknown field type.";
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return "";
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}
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}
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bool FieldGeneratorBase::has_default_value() {
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switch (descriptor_->type()) {
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case FieldDescriptor::TYPE_ENUM:
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case FieldDescriptor::TYPE_MESSAGE:
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case FieldDescriptor::TYPE_GROUP:
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return true;
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case FieldDescriptor::TYPE_DOUBLE:
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return descriptor_->default_value_double() != 0.0;
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case FieldDescriptor::TYPE_FLOAT:
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return descriptor_->default_value_float() != 0.0;
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case FieldDescriptor::TYPE_INT64:
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return descriptor_->default_value_int64() != 0L;
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case FieldDescriptor::TYPE_UINT64:
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return descriptor_->default_value_uint64() != 0L;
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case FieldDescriptor::TYPE_INT32:
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return descriptor_->default_value_int32() != 0;
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case FieldDescriptor::TYPE_FIXED64:
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return descriptor_->default_value_uint64() != 0L;
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case FieldDescriptor::TYPE_FIXED32:
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return descriptor_->default_value_uint32() != 0;
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case FieldDescriptor::TYPE_BOOL:
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return descriptor_->default_value_bool();
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case FieldDescriptor::TYPE_STRING:
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return true;
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case FieldDescriptor::TYPE_BYTES:
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return true;
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case FieldDescriptor::TYPE_UINT32:
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return descriptor_->default_value_uint32() != 0;
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case FieldDescriptor::TYPE_SFIXED32:
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return descriptor_->default_value_int32() != 0;
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case FieldDescriptor::TYPE_SFIXED64:
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return descriptor_->default_value_int64() != 0L;
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case FieldDescriptor::TYPE_SINT32:
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return descriptor_->default_value_int32() != 0;
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case FieldDescriptor::TYPE_SINT64:
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return descriptor_->default_value_int64() != 0L;
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default:
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ABSL_LOG(FATAL) << "Unknown field type.";
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return true;
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}
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}
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bool AllPrintableAscii(absl::string_view text) {
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for(int i = 0; i < text.size(); i++) {
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if (text[i] < 0x20 || text[i] > 0x7e) {
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return false;
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}
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}
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return true;
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}
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std::string FieldGeneratorBase::GetStringDefaultValueInternal(const FieldDescriptor* descriptor) {
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if (descriptor->default_value_string().empty())
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return "\"\"";
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return absl::StrCat(
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"global::System.Text.Encoding.UTF8.GetString(global::System."
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"Convert.FromBase64String(\"",
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StringToBase64(descriptor->default_value_string()), "\"), 0, ",
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descriptor->default_value_string().length(), ")");
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}
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std::string FieldGeneratorBase::GetBytesDefaultValueInternal(const FieldDescriptor* descriptor) {
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if (descriptor->default_value_string().empty())
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||
|
|
return "pb::ByteString.Empty";
|
||
|
|
return absl::StrCat("pb::ByteString.FromBase64(\"",
|
||
|
|
StringToBase64(descriptor->default_value_string()),
|
||
|
|
"\")");
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string FieldGeneratorBase::default_value() {
|
||
|
|
return default_value(descriptor_);
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string FieldGeneratorBase::default_value(const FieldDescriptor* descriptor) {
|
||
|
|
switch (descriptor->type()) {
|
||
|
|
case FieldDescriptor::TYPE_ENUM:
|
||
|
|
return absl::StrCat(
|
||
|
|
GetClassName(descriptor->default_value_enum()->type()), ".",
|
||
|
|
GetEnumValueName(descriptor->default_value_enum()->type()->name(),
|
||
|
|
descriptor->default_value_enum()->name()));
|
||
|
|
case FieldDescriptor::TYPE_MESSAGE:
|
||
|
|
case FieldDescriptor::TYPE_GROUP:
|
||
|
|
if (IsWrapperType(descriptor)) {
|
||
|
|
const FieldDescriptor* wrapped_field = descriptor->message_type()->field(0);
|
||
|
|
return default_value(wrapped_field);
|
||
|
|
} else {
|
||
|
|
return "null";
|
||
|
|
}
|
||
|
|
case FieldDescriptor::TYPE_DOUBLE: {
|
||
|
|
double value = descriptor->default_value_double();
|
||
|
|
if (value == std::numeric_limits<double>::infinity()) {
|
||
|
|
return "double.PositiveInfinity";
|
||
|
|
} else if (value == -std::numeric_limits<double>::infinity()) {
|
||
|
|
return "double.NegativeInfinity";
|
||
|
|
} else if (std::isnan(value)) {
|
||
|
|
return "double.NaN";
|
||
|
|
}
|
||
|
|
return absl::StrCat(value, "D");
|
||
|
|
}
|
||
|
|
case FieldDescriptor::TYPE_FLOAT: {
|
||
|
|
float value = descriptor->default_value_float();
|
||
|
|
if (value == std::numeric_limits<float>::infinity()) {
|
||
|
|
return "float.PositiveInfinity";
|
||
|
|
} else if (value == -std::numeric_limits<float>::infinity()) {
|
||
|
|
return "float.NegativeInfinity";
|
||
|
|
} else if (std::isnan(value)) {
|
||
|
|
return "float.NaN";
|
||
|
|
}
|
||
|
|
return absl::StrCat(value, "F");
|
||
|
|
}
|
||
|
|
case FieldDescriptor::TYPE_INT64:
|
||
|
|
return absl::StrCat(descriptor->default_value_int64(), "L");
|
||
|
|
case FieldDescriptor::TYPE_UINT64:
|
||
|
|
return absl::StrCat(descriptor->default_value_uint64(), "UL");
|
||
|
|
case FieldDescriptor::TYPE_INT32:
|
||
|
|
return absl::StrCat(descriptor->default_value_int32());
|
||
|
|
case FieldDescriptor::TYPE_FIXED64:
|
||
|
|
return absl::StrCat(descriptor->default_value_uint64(), "UL");
|
||
|
|
case FieldDescriptor::TYPE_FIXED32:
|
||
|
|
return absl::StrCat(descriptor->default_value_uint32());
|
||
|
|
case FieldDescriptor::TYPE_BOOL:
|
||
|
|
if (descriptor->default_value_bool()) {
|
||
|
|
return "true";
|
||
|
|
} else {
|
||
|
|
return "false";
|
||
|
|
}
|
||
|
|
case FieldDescriptor::TYPE_STRING:
|
||
|
|
return GetStringDefaultValueInternal(descriptor);
|
||
|
|
case FieldDescriptor::TYPE_BYTES:
|
||
|
|
return GetBytesDefaultValueInternal(descriptor);
|
||
|
|
case FieldDescriptor::TYPE_UINT32:
|
||
|
|
return absl::StrCat(descriptor->default_value_uint32());
|
||
|
|
case FieldDescriptor::TYPE_SFIXED32:
|
||
|
|
return absl::StrCat(descriptor->default_value_int32());
|
||
|
|
case FieldDescriptor::TYPE_SFIXED64:
|
||
|
|
return absl::StrCat(descriptor->default_value_int64(), "L");
|
||
|
|
case FieldDescriptor::TYPE_SINT32:
|
||
|
|
return absl::StrCat(descriptor->default_value_int32());
|
||
|
|
case FieldDescriptor::TYPE_SINT64:
|
||
|
|
return absl::StrCat(descriptor->default_value_int64(), "L");
|
||
|
|
default:
|
||
|
|
ABSL_LOG(FATAL) << "Unknown field type.";
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string FieldGeneratorBase::number() {
|
||
|
|
return absl::StrCat(descriptor_->number());
|
||
|
|
}
|
||
|
|
|
||
|
|
std::string FieldGeneratorBase::capitalized_type_name() {
|
||
|
|
switch (descriptor_->type()) {
|
||
|
|
case FieldDescriptor::TYPE_ENUM:
|
||
|
|
return "Enum";
|
||
|
|
case FieldDescriptor::TYPE_MESSAGE:
|
||
|
|
return "Message";
|
||
|
|
case FieldDescriptor::TYPE_GROUP:
|
||
|
|
return "Group";
|
||
|
|
case FieldDescriptor::TYPE_DOUBLE:
|
||
|
|
return "Double";
|
||
|
|
case FieldDescriptor::TYPE_FLOAT:
|
||
|
|
return "Float";
|
||
|
|
case FieldDescriptor::TYPE_INT64:
|
||
|
|
return "Int64";
|
||
|
|
case FieldDescriptor::TYPE_UINT64:
|
||
|
|
return "UInt64";
|
||
|
|
case FieldDescriptor::TYPE_INT32:
|
||
|
|
return "Int32";
|
||
|
|
case FieldDescriptor::TYPE_FIXED64:
|
||
|
|
return "Fixed64";
|
||
|
|
case FieldDescriptor::TYPE_FIXED32:
|
||
|
|
return "Fixed32";
|
||
|
|
case FieldDescriptor::TYPE_BOOL:
|
||
|
|
return "Bool";
|
||
|
|
case FieldDescriptor::TYPE_STRING:
|
||
|
|
return "String";
|
||
|
|
case FieldDescriptor::TYPE_BYTES:
|
||
|
|
return "Bytes";
|
||
|
|
case FieldDescriptor::TYPE_UINT32:
|
||
|
|
return "UInt32";
|
||
|
|
case FieldDescriptor::TYPE_SFIXED32:
|
||
|
|
return "SFixed32";
|
||
|
|
case FieldDescriptor::TYPE_SFIXED64:
|
||
|
|
return "SFixed64";
|
||
|
|
case FieldDescriptor::TYPE_SINT32:
|
||
|
|
return "SInt32";
|
||
|
|
case FieldDescriptor::TYPE_SINT64:
|
||
|
|
return "SInt64";
|
||
|
|
default:
|
||
|
|
ABSL_LOG(FATAL) << "Unknown field type.";
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace csharp
|
||
|
|
} // namespace compiler
|
||
|
|
} // namespace protobuf
|
||
|
|
} // namespace google
|
||
|
|
|
||
|
|
#include "google/protobuf/port_undef.inc"
|