diff options
Diffstat (limited to 'src/google/protobuf/compiler/javamicro/javamicro_enum_field.cc')
| -rw-r--r-- | src/google/protobuf/compiler/javamicro/javamicro_enum_field.cc | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/javamicro/javamicro_enum_field.cc b/src/google/protobuf/compiler/javamicro/javamicro_enum_field.cc new file mode 100644 index 0000000..0ff49a3 --- /dev/null +++ b/src/google/protobuf/compiler/javamicro/javamicro_enum_field.cc @@ -0,0 +1,333 @@ +// 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 <map> +#include <string> + +#include <google/protobuf/compiler/javamicro/javamicro_enum_field.h> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/compiler/javamicro/javamicro_helpers.h> +#include <google/protobuf/io/printer.h> +#include <google/protobuf/wire_format.h> +#include <google/protobuf/stubs/strutil.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace javamicro { + +namespace { + +// TODO(kenton): Factor out a "SetCommonFieldVariables()" to get rid of +// repeat code between this and the other field types. +void SetEnumVariables(const Params& params, + const FieldDescriptor* descriptor, map<string, string>* variables) { + (*variables)["name"] = + UnderscoresToCamelCase(descriptor); + (*variables)["capitalized_name"] = + UnderscoresToCapitalizedCamelCase(descriptor); + (*variables)["number"] = SimpleItoa(descriptor->number()); + (*variables)["type"] = "int"; + (*variables)["default"] = DefaultValue(params, descriptor); + (*variables)["tag"] = SimpleItoa(internal::WireFormat::MakeTag(descriptor)); + (*variables)["tag_size"] = SimpleItoa( + internal::WireFormat::TagSize(descriptor->number(), descriptor->type())); + (*variables)["message_name"] = descriptor->containing_type()->name(); +} + +} // namespace + +// =================================================================== + +EnumFieldGenerator:: +EnumFieldGenerator(const FieldDescriptor* descriptor, const Params& params) + : FieldGenerator(params), descriptor_(descriptor) { + SetEnumVariables(params, descriptor, &variables_); +} + +EnumFieldGenerator::~EnumFieldGenerator() {} + +void EnumFieldGenerator:: +GenerateMembers(io::Printer* printer) const { + printer->Print(variables_, + "private boolean has$capitalized_name$;\n" + "private int $name$_ = $default$;\n" + "public boolean has$capitalized_name$() { return has$capitalized_name$; }\n" + "public int get$capitalized_name$() { return $name$_; }\n" + "public $message_name$ set$capitalized_name$(int value) {\n" + " has$capitalized_name$ = true;\n" + " $name$_ = value;\n" + " return this;\n" + "}\n" + "public $message_name$ clear$capitalized_name$() {\n" + " has$capitalized_name$ = false;\n" + " $name$_ = $default$;\n" + " return this;\n" + "}\n"); +} + +void EnumFieldGenerator:: +GenerateMergingCode(io::Printer* printer) const { + printer->Print(variables_, + "what is other??" + "if (other.has$capitalized_name$()) {\n" + " set$capitalized_name$(other.get$capitalized_name$());\n" + "}\n"); +} + +void EnumFieldGenerator:: +GenerateParsingCode(io::Printer* printer) const { + printer->Print(variables_, + " set$capitalized_name$(input.readInt32());\n"); +} + +void EnumFieldGenerator:: +GenerateSerializationCode(io::Printer* printer) const { + printer->Print(variables_, + "if (has$capitalized_name$()) {\n" + " output.writeInt32($number$, get$capitalized_name$());\n" + "}\n"); +} + +void EnumFieldGenerator:: +GenerateSerializedSizeCode(io::Printer* printer) const { + printer->Print(variables_, + "if (has$capitalized_name$()) {\n" + " size += com.google.protobuf.micro.CodedOutputStreamMicro\n" + " .computeInt32Size($number$, get$capitalized_name$());\n" + "}\n"); +} + +string EnumFieldGenerator::GetBoxedType() const { + return ClassName(params_, descriptor_->enum_type()); +} + +// =================================================================== + +RepeatedEnumFieldGenerator:: +RepeatedEnumFieldGenerator(const FieldDescriptor* descriptor, const Params& params) + : FieldGenerator(params), descriptor_(descriptor) { + SetEnumVariables(params, descriptor, &variables_); + if (descriptor_->options().packed()) { + GOOGLE_LOG(FATAL) << "MicroRuntime does not support packed"; + } +} + +RepeatedEnumFieldGenerator::~RepeatedEnumFieldGenerator() {} + +void RepeatedEnumFieldGenerator:: +GenerateMembers(io::Printer* printer) const { + if (params_.java_use_vector()) { + printer->Print(variables_, + "private java.util.Vector $name$_ = new java.util.Vector();\n" + "public java.util.Vector get$capitalized_name$List() {\n" + " return $name$_;\n" + "}\n" + "public int get$capitalized_name$Count() { return $name$_.size(); }\n" + "public int get$capitalized_name$(int index) {\n" + " return ((Integer)$name$_.elementAt(index)).intValue();\n" + "}\n" + "public $message_name$ set$capitalized_name$(int index, int value) {\n" + " $name$_.setElementAt(new Integer(value), index);\n" + " return this;\n" + "}\n" + "public $message_name$ add$capitalized_name$(int value) {\n" + " $name$_.addElement(new Integer(value));\n" + " return this;\n" + "}\n" + "public $message_name$ clear$capitalized_name$() {\n" + " $name$_.removeAllElements();\n" + " return this;\n" + "}\n"); + } else { + printer->Print(variables_, + "private java.util.List<Integer> $name$_ =\n" + " java.util.Collections.emptyList();\n" + "public java.util.List<Integer> get$capitalized_name$List() {\n" + " return $name$_;\n" // note: unmodifiable list + "}\n" + "public int get$capitalized_name$Count() { return $name$_.size(); }\n" + "public int get$capitalized_name$(int index) {\n" + " return $name$_.get(index);\n" + "}\n" + "public $message_name$ set$capitalized_name$(int index, int value) {\n" + " $name$_.set(index, value);\n" + " return this;\n" + "}\n" + "public $message_name$ add$capitalized_name$(int value) {\n" + " if ($name$_.isEmpty()) {\n" + " $name$_ = new java.util.ArrayList<java.lang.Integer>();\n" + " }\n" + " $name$_.add(value);\n" + " return this;\n" + "}\n" + "public $message_name$ clear$capitalized_name$() {\n" + " $name$_ = java.util.Collections.emptyList();\n" + " return this;\n" + "}\n"); + } + if (descriptor_->options().packed()) { + printer->Print(variables_, + "private int $name$MemoizedSerializedSize;\n"); + } +} + +void RepeatedEnumFieldGenerator:: +GenerateMergingCode(io::Printer* printer) const { + if (params_.java_use_vector()) { + printer->Print(variables_, + "if (other.$name$_.size() != 0) {\n" + " for (int i = 0; i < other.$name$_.size(); i++)) {\n" + " result.$name$_.addElement(other.$name$_.elementAt(i));\n" + " }\n" + "}\n"); + } else { + printer->Print(variables_, + "if (!other.$name$_.isEmpty()) {\n" + " if (result.$name$_.isEmpty()) {\n" + " result.$name$_ = new java.util.ArrayList<java.lang.Integer>();\n" + " }\n" + " result.$name$_.addAll(other.$name$_);\n" + "}\n"); + } +} + +void RepeatedEnumFieldGenerator:: +GenerateParsingCode(io::Printer* printer) const { + // If packed, set up the while loop + if (descriptor_->options().packed()) { + printer->Print(variables_, + "int length = input.readRawVarint32();\n" + "int oldLimit = input.pushLimit(length);\n" + "while(input.getBytesUntilLimit() > 0) {\n"); + printer->Indent(); + } + + // Read and store the enum + printer->Print(variables_, + " add$capitalized_name$(input.readInt32());\n"); + + if (descriptor_->options().packed()) { + printer->Outdent(); + printer->Print(variables_, + "}\n" + "input.popLimit(oldLimit);\n"); + } +} + +void RepeatedEnumFieldGenerator:: +GenerateSerializationCode(io::Printer* printer) const { + if (descriptor_->options().packed()) { + printer->Print(variables_, + "if (get$capitalized_name$List().size() > 0) {\n" + " output.writeRawVarint32($tag$);\n" + " output.writeRawVarint32($name$MemoizedSerializedSize);\n" + "}\n"); + if (params_.java_use_vector()) { + printer->Print(variables_, + "for (int i = 0; i < get$capitalized_name$List().size(); i++) {\n" + " output.writeRawVarint32(get$capitalized_name$(i));\n" + "}\n"); + } else { + printer->Print(variables_, + "for ($type$ element : get$capitalized_name$List()) {\n" + " output.writeRawVarint32(element.getNumber());\n" + "}\n"); + } + } else { + if (params_.java_use_vector()) { + printer->Print(variables_, + "for (int i = 0; i < get$capitalized_name$List().size(); i++) {\n" + " output.writeInt32($number$, (int)get$capitalized_name$(i));\n" + "}\n"); + } else { + printer->Print(variables_, + "for (java.lang.Integer element : get$capitalized_name$List()) {\n" + " output.writeInt32($number$, element);\n" + "}\n"); + } + } +} + +void RepeatedEnumFieldGenerator:: +GenerateSerializedSizeCode(io::Printer* printer) const { + printer->Print(variables_, + "{\n" + " int dataSize = 0;\n"); + printer->Indent(); + if (params_.java_use_vector()) { + printer->Print(variables_, + "for (int i = 0; i < get$capitalized_name$List().size(); i++) {\n" + " dataSize += com.google.protobuf.micro.CodedOutputStreamMicro\n" + " .computeInt32SizeNoTag(get$capitalized_name$(i));\n" + "}\n"); + } else { + printer->Print(variables_, + "for (java.lang.Integer element : get$capitalized_name$List()) {\n" + " dataSize += com.google.protobuf.micro.CodedOutputStreamMicro\n" + " .computeInt32SizeNoTag(element);\n" + "}\n"); + } + printer->Print( + "size += dataSize;\n"); + if (descriptor_->options().packed()) { + printer->Print(variables_, + "if (get$capitalized_name$List().size() != 0) {" + " size += $tag_size$;\n" + " size += com.google.protobuf.micro.CodedOutputStreamMicro\n" + " .computeRawVarint32Size(dataSize);\n" + "}"); + } else { + printer->Print(variables_, + "size += $tag_size$ * get$capitalized_name$List().size();\n"); + } + + // cache the data size for packed fields. + if (descriptor_->options().packed()) { + printer->Print(variables_, + "$name$MemoizedSerializedSize = dataSize;\n"); + } + + printer->Outdent(); + printer->Print("}\n"); +} + +string RepeatedEnumFieldGenerator::GetBoxedType() const { + return ClassName(params_, descriptor_->enum_type()); +} + +} // namespace javamicro +} // namespace compiler +} // namespace protobuf +} // namespace google |