| // 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 <math.h> |
| #include <string> |
| |
| #include <google/protobuf/compiler/javanano/javanano_primitive_field.h> |
| #include <google/protobuf/stubs/common.h> |
| #include <google/protobuf/compiler/javanano/javanano_helpers.h> |
| #include <google/protobuf/io/printer.h> |
| #include <google/protobuf/wire_format.h> |
| #include <google/protobuf/stubs/strutil.h> |
| #include <google/protobuf/stubs/substitute.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace javanano { |
| |
| using internal::WireFormat; |
| using internal::WireFormatLite; |
| |
| namespace { |
| |
| bool IsReferenceType(JavaType type) { |
| switch (type) { |
| case JAVATYPE_INT : return false; |
| case JAVATYPE_LONG : return false; |
| case JAVATYPE_FLOAT : return false; |
| case JAVATYPE_DOUBLE : return false; |
| case JAVATYPE_BOOLEAN: return false; |
| case JAVATYPE_STRING : return true; |
| case JAVATYPE_BYTES : return true; |
| case JAVATYPE_ENUM : return false; |
| case JAVATYPE_MESSAGE: return true; |
| |
| // No default because we want the compiler to complain if any new |
| // JavaTypes are added. |
| } |
| |
| GOOGLE_LOG(FATAL) << "Can't get here."; |
| return false; |
| } |
| |
| bool IsArrayType(JavaType type) { |
| switch (type) { |
| case JAVATYPE_INT : return false; |
| case JAVATYPE_LONG : return false; |
| case JAVATYPE_FLOAT : return false; |
| case JAVATYPE_DOUBLE : return false; |
| case JAVATYPE_BOOLEAN: return false; |
| case JAVATYPE_STRING : return false; |
| case JAVATYPE_BYTES : return true; |
| case JAVATYPE_ENUM : return false; |
| case JAVATYPE_MESSAGE: return false; |
| |
| // No default because we want the compiler to complain if any new |
| // JavaTypes are added. |
| } |
| |
| GOOGLE_LOG(FATAL) << "Can't get here."; |
| return false; |
| } |
| |
| const char* GetCapitalizedType(const FieldDescriptor* field) { |
| switch (field->type()) { |
| case FieldDescriptor::TYPE_INT32 : return "Int32" ; |
| case FieldDescriptor::TYPE_UINT32 : return "UInt32" ; |
| case FieldDescriptor::TYPE_SINT32 : return "SInt32" ; |
| case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ; |
| case FieldDescriptor::TYPE_SFIXED32: return "SFixed32"; |
| case FieldDescriptor::TYPE_INT64 : return "Int64" ; |
| case FieldDescriptor::TYPE_UINT64 : return "UInt64" ; |
| case FieldDescriptor::TYPE_SINT64 : return "SInt64" ; |
| case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ; |
| case FieldDescriptor::TYPE_SFIXED64: return "SFixed64"; |
| case FieldDescriptor::TYPE_FLOAT : return "Float" ; |
| case FieldDescriptor::TYPE_DOUBLE : return "Double" ; |
| case FieldDescriptor::TYPE_BOOL : return "Bool" ; |
| case FieldDescriptor::TYPE_STRING : return "String" ; |
| case FieldDescriptor::TYPE_BYTES : return "Bytes" ; |
| case FieldDescriptor::TYPE_ENUM : return "Enum" ; |
| case FieldDescriptor::TYPE_GROUP : return "Group" ; |
| case FieldDescriptor::TYPE_MESSAGE : return "Message" ; |
| |
| // No default because we want the compiler to complain if any new |
| // types are added. |
| } |
| |
| GOOGLE_LOG(FATAL) << "Can't get here."; |
| return NULL; |
| } |
| |
| // For encodings with fixed sizes, returns that size in bytes. Otherwise |
| // returns -1. |
| int FixedSize(FieldDescriptor::Type type) { |
| switch (type) { |
| case FieldDescriptor::TYPE_INT32 : return -1; |
| case FieldDescriptor::TYPE_INT64 : return -1; |
| case FieldDescriptor::TYPE_UINT32 : return -1; |
| case FieldDescriptor::TYPE_UINT64 : return -1; |
| case FieldDescriptor::TYPE_SINT32 : return -1; |
| case FieldDescriptor::TYPE_SINT64 : return -1; |
| case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size; |
| case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size; |
| case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size; |
| case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size; |
| case FieldDescriptor::TYPE_FLOAT : return WireFormatLite::kFloatSize; |
| case FieldDescriptor::TYPE_DOUBLE : return WireFormatLite::kDoubleSize; |
| |
| case FieldDescriptor::TYPE_BOOL : return WireFormatLite::kBoolSize; |
| case FieldDescriptor::TYPE_ENUM : return -1; |
| |
| case FieldDescriptor::TYPE_STRING : return -1; |
| case FieldDescriptor::TYPE_BYTES : return -1; |
| case FieldDescriptor::TYPE_GROUP : return -1; |
| case FieldDescriptor::TYPE_MESSAGE : return -1; |
| |
| // No default because we want the compiler to complain if any new |
| // types are added. |
| } |
| GOOGLE_LOG(FATAL) << "Can't get here."; |
| return -1; |
| } |
| |
| bool AllAscii(const string& text) { |
| for (int i = 0; i < text.size(); i++) { |
| if ((text[i] & 0x80) != 0) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| |
| void SetPrimitiveVariables(const FieldDescriptor* descriptor, const Params params, |
| map<string, string>* variables) { |
| (*variables)["name"] = |
| RenameJavaKeywords(UnderscoresToCamelCase(descriptor)); |
| (*variables)["capitalized_name"] = |
| RenameJavaKeywords(UnderscoresToCapitalizedCamelCase(descriptor)); |
| (*variables)["number"] = SimpleItoa(descriptor->number()); |
| if (params.use_reference_types_for_primitives() |
| && !descriptor->is_repeated()) { |
| (*variables)["type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor)); |
| } else { |
| (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor)); |
| } |
| // Deals with defaults. For C++-string types (string and bytes), |
| // we might need to have the generated code do the unicode decoding |
| // (see comments in InternalNano.java for gory details.). We would |
| // like to do this once into a static field and re-use that from |
| // then on. |
| if (descriptor->cpp_type() == FieldDescriptor::CPPTYPE_STRING && |
| !descriptor->default_value_string().empty() && |
| !params.use_reference_types_for_primitives()) { |
| if (descriptor->type() == FieldDescriptor::TYPE_BYTES) { |
| (*variables)["default"] = DefaultValue(params, descriptor); |
| (*variables)["default_constant"] = FieldDefaultConstantName(descriptor); |
| (*variables)["default_constant_value"] = strings::Substitute( |
| "com.google.protobuf.nano.InternalNano.bytesDefaultValue(\"$0\")", |
| CEscape(descriptor->default_value_string())); |
| (*variables)["default_copy_if_needed"] = |
| (*variables)["default"] + ".clone()"; |
| } else if (AllAscii(descriptor->default_value_string())) { |
| // All chars are ASCII. In this case directly referencing a |
| // CEscape()'d string literal works fine. |
| (*variables)["default"] = |
| "\"" + CEscape(descriptor->default_value_string()) + "\""; |
| (*variables)["default_copy_if_needed"] = (*variables)["default"]; |
| } else { |
| // Strings where some chars are non-ASCII. We need to save the |
| // default value. |
| (*variables)["default"] = DefaultValue(params, descriptor); |
| (*variables)["default_constant"] = FieldDefaultConstantName(descriptor); |
| (*variables)["default_constant_value"] = strings::Substitute( |
| "com.google.protobuf.nano.InternalNano.stringDefaultValue(\"$0\")", |
| CEscape(descriptor->default_value_string())); |
| (*variables)["default_copy_if_needed"] = (*variables)["default"]; |
| } |
| } else { |
| // Non-string, non-bytes field. Defaults are literals. |
| (*variables)["default"] = DefaultValue(params, descriptor); |
| (*variables)["default_copy_if_needed"] = (*variables)["default"]; |
| } |
| (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor)); |
| (*variables)["capitalized_type"] = GetCapitalizedType(descriptor); |
| (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor)); |
| (*variables)["tag_size"] = SimpleItoa( |
| WireFormat::TagSize(descriptor->number(), descriptor->type())); |
| (*variables)["non_packed_tag"] = SimpleItoa( |
| internal::WireFormatLite::MakeTag(descriptor->number(), |
| internal::WireFormat::WireTypeForFieldType(descriptor->type()))); |
| int fixed_size = FixedSize(descriptor->type()); |
| if (fixed_size != -1) { |
| (*variables)["fixed_size"] = SimpleItoa(fixed_size); |
| } |
| (*variables)["message_name"] = descriptor->containing_type()->name(); |
| (*variables)["empty_array_name"] = EmptyArrayName(params, descriptor); |
| } |
| } // namespace |
| |
| // =================================================================== |
| |
| PrimitiveFieldGenerator:: |
| PrimitiveFieldGenerator(const FieldDescriptor* descriptor, const Params& params) |
| : FieldGenerator(params), descriptor_(descriptor) { |
| SetPrimitiveVariables(descriptor, params, &variables_); |
| } |
| |
| PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {} |
| |
| bool PrimitiveFieldGenerator::SavedDefaultNeeded() const { |
| return variables_.find("default_constant") != variables_.end(); |
| } |
| |
| void PrimitiveFieldGenerator::GenerateInitSavedDefaultCode(io::Printer* printer) const { |
| if (variables_.find("default_constant") != variables_.end()) { |
| printer->Print(variables_, |
| "$default_constant$ = $default_constant_value$;\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateMembers(io::Printer* printer, bool lazy_init) const { |
| if (variables_.find("default_constant") != variables_.end()) { |
| // Those primitive types that need a saved default. |
| if (lazy_init) { |
| printer->Print(variables_, |
| "private static $type$ $default_constant$;\n"); |
| } else { |
| printer->Print(variables_, |
| "private static final $type$ $default_constant$ =\n" |
| " $default_constant_value$;\n"); |
| } |
| } |
| |
| printer->Print(variables_, |
| "public $type$ $name$;\n"); |
| |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "public boolean has$capitalized_name$;\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateClearCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "$name$ = $default_copy_if_needed$;\n"); |
| |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "has$capitalized_name$ = false;\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "this.$name$ = input.read$capitalized_type$();\n"); |
| |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "has$capitalized_name$ = true;\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateSerializationConditional(io::Printer* printer) const { |
| if (params_.use_reference_types_for_primitives()) { |
| // For reference type mode, serialize based on equality |
| // to null. |
| printer->Print(variables_, |
| "if (this.$name$ != null) {\n"); |
| return; |
| } |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "if (has$capitalized_name$ || "); |
| } else { |
| printer->Print(variables_, |
| "if ("); |
| } |
| JavaType java_type = GetJavaType(descriptor_); |
| if (IsArrayType(java_type)) { |
| printer->Print(variables_, |
| "!java.util.Arrays.equals(this.$name$, $default$)) {\n"); |
| } else if (IsReferenceType(java_type)) { |
| printer->Print(variables_, |
| "!this.$name$.equals($default$)) {\n"); |
| } else if (java_type == JAVATYPE_FLOAT) { |
| printer->Print(variables_, |
| "java.lang.Float.floatToIntBits(this.$name$)\n" |
| " != java.lang.Float.floatToIntBits($default$)) {\n"); |
| } else if (java_type == JAVATYPE_DOUBLE) { |
| printer->Print(variables_, |
| "java.lang.Double.doubleToLongBits(this.$name$)\n" |
| " != java.lang.Double.doubleToLongBits($default$)) {\n"); |
| } else { |
| printer->Print(variables_, |
| "this.$name$ != $default$) {\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateSerializationCode(io::Printer* printer) const { |
| if (descriptor_->is_required() && !params_.generate_has()) { |
| // Always serialize a required field if we don't have the 'has' signal. |
| printer->Print(variables_, |
| "output.write$capitalized_type$($number$, this.$name$);\n"); |
| } else { |
| GenerateSerializationConditional(printer); |
| printer->Print(variables_, |
| " output.write$capitalized_type$($number$, this.$name$);\n" |
| "}\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateSerializedSizeCode(io::Printer* printer) const { |
| if (descriptor_->is_required() && !params_.generate_has()) { |
| printer->Print(variables_, |
| "size += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .compute$capitalized_type$Size($number$, this.$name$);\n"); |
| } else { |
| GenerateSerializationConditional(printer); |
| printer->Print(variables_, |
| " size += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .compute$capitalized_type$Size($number$, this.$name$);\n" |
| "}\n"); |
| } |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateFixClonedCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "if (this.$name$ != null && this.$name$.length > 0) {\n" |
| " cloned.$name$ = this.$name$.clone();\n" |
| "}\n"); |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateEqualsCode(io::Printer* printer) const { |
| // We define equality as serialized form equality. If generate_has(), |
| // then if the field value equals the default value in both messages, |
| // but one's 'has' field is set and the other's is not, the serialized |
| // forms are different and we should return false. |
| JavaType java_type = GetJavaType(descriptor_); |
| if (java_type == JAVATYPE_BYTES) { |
| printer->Print(variables_, |
| "if (!java.util.Arrays.equals(this.$name$, other.$name$)"); |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "\n" |
| " || (java.util.Arrays.equals(this.$name$, $default$)\n" |
| " && this.has$capitalized_name$ != other.has$capitalized_name$)"); |
| } |
| printer->Print(") {\n" |
| " return false;\n" |
| "}\n"); |
| } else if (java_type == JAVATYPE_STRING |
| || params_.use_reference_types_for_primitives()) { |
| printer->Print(variables_, |
| "if (this.$name$ == null) {\n" |
| " if (other.$name$ != null) {\n" |
| " return false;\n" |
| " }\n" |
| "} else if (!this.$name$.equals(other.$name$)"); |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "\n" |
| " || (this.$name$.equals($default$)\n" |
| " && this.has$capitalized_name$ != other.has$capitalized_name$)"); |
| } |
| printer->Print(") {\n" |
| " return false;\n" |
| "}\n"); |
| } else if (java_type == JAVATYPE_FLOAT) { |
| printer->Print(variables_, |
| "{\n" |
| " int bits = java.lang.Float.floatToIntBits(this.$name$);\n" |
| " if (bits != java.lang.Float.floatToIntBits(other.$name$)"); |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "\n" |
| " || (bits == java.lang.Float.floatToIntBits($default$)\n" |
| " && this.has$capitalized_name$ != other.has$capitalized_name$)"); |
| } |
| printer->Print(") {\n" |
| " return false;\n" |
| " }\n" |
| "}\n"); |
| } else if (java_type == JAVATYPE_DOUBLE) { |
| printer->Print(variables_, |
| "{\n" |
| " long bits = java.lang.Double.doubleToLongBits(this.$name$);\n" |
| " if (bits != java.lang.Double.doubleToLongBits(other.$name$)"); |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "\n" |
| " || (bits == java.lang.Double.doubleToLongBits($default$)\n" |
| " && this.has$capitalized_name$ != other.has$capitalized_name$)"); |
| } |
| printer->Print(") {\n" |
| " return false;\n" |
| " }\n" |
| "}\n"); |
| } else { |
| printer->Print(variables_, |
| "if (this.$name$ != other.$name$"); |
| if (params_.generate_has()) { |
| printer->Print(variables_, |
| "\n" |
| " || (this.$name$ == $default$\n" |
| " && this.has$capitalized_name$ != other.has$capitalized_name$)"); |
| } |
| printer->Print(") {\n" |
| " return false;\n" |
| "}\n"); |
| } |
| } |
| |
| void PrimitiveFieldGenerator:: |
| GenerateHashCodeCode(io::Printer* printer) const { |
| JavaType java_type = GetJavaType(descriptor_); |
| if (java_type == JAVATYPE_BYTES) { |
| printer->Print(variables_, |
| "result = 31 * result + java.util.Arrays.hashCode(this.$name$);\n"); |
| } else if (java_type == JAVATYPE_STRING |
| || params_.use_reference_types_for_primitives()) { |
| printer->Print(variables_, |
| "result = 31 * result\n" |
| " + (this.$name$ == null ? 0 : this.$name$.hashCode());\n"); |
| } else { |
| switch (java_type) { |
| // For all Java primitive types below, the hash codes match the |
| // results of BoxedType.valueOf(primitiveValue).hashCode(). |
| case JAVATYPE_INT: |
| printer->Print(variables_, |
| "result = 31 * result + this.$name$;\n"); |
| break; |
| case JAVATYPE_LONG: |
| printer->Print(variables_, |
| "result = 31 * result\n" |
| " + (int) (this.$name$ ^ (this.$name$ >>> 32));\n"); |
| break; |
| case JAVATYPE_FLOAT: |
| printer->Print(variables_, |
| "result = 31 * result\n" |
| " + java.lang.Float.floatToIntBits(this.$name$);\n"); |
| break; |
| case JAVATYPE_DOUBLE: |
| printer->Print(variables_, |
| "{\n" |
| " long v = java.lang.Double.doubleToLongBits(this.$name$);\n" |
| " result = 31 * result + (int) (v ^ (v >>> 32));\n" |
| "}\n"); |
| break; |
| case JAVATYPE_BOOLEAN: |
| printer->Print(variables_, |
| "result = 31 * result + (this.$name$ ? 1231 : 1237);\n"); |
| break; |
| default: |
| GOOGLE_LOG(ERROR) << "unknown java type for primitive field"; |
| break; |
| } |
| } |
| } |
| |
| // =================================================================== |
| |
| AccessorPrimitiveFieldGenerator:: |
| AccessorPrimitiveFieldGenerator(const FieldDescriptor* descriptor, |
| const Params& params, int has_bit_index) |
| : FieldGenerator(params), descriptor_(descriptor) { |
| SetPrimitiveVariables(descriptor, params, &variables_); |
| SetBitOperationVariables("has", has_bit_index, &variables_); |
| } |
| |
| AccessorPrimitiveFieldGenerator::~AccessorPrimitiveFieldGenerator() {} |
| |
| bool AccessorPrimitiveFieldGenerator::SavedDefaultNeeded() const { |
| return variables_.find("default_constant") != variables_.end(); |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateInitSavedDefaultCode(io::Printer* printer) const { |
| if (variables_.find("default_constant") != variables_.end()) { |
| printer->Print(variables_, |
| "$default_constant$ = $default_constant_value$;\n"); |
| } |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateMembers(io::Printer* printer, bool lazy_init) const { |
| if (variables_.find("default_constant") != variables_.end()) { |
| // Those primitive types that need a saved default. |
| if (lazy_init) { |
| printer->Print(variables_, |
| "private static $type$ $default_constant$;\n"); |
| } else { |
| printer->Print(variables_, |
| "private static final $type$ $default_constant$ =\n" |
| " $default_constant_value$;\n"); |
| } |
| } |
| printer->Print(variables_, |
| "private $type$ $name$_;\n" |
| "public $type$ get$capitalized_name$() {\n" |
| " return $name$_;\n" |
| "}\n" |
| "public $message_name$ set$capitalized_name$($type$ value) {\n"); |
| if (IsReferenceType(GetJavaType(descriptor_))) { |
| printer->Print(variables_, |
| " if (value == null) {\n" |
| " throw new java.lang.NullPointerException();\n" |
| " }\n"); |
| } |
| printer->Print(variables_, |
| " $name$_ = value;\n" |
| " $set_has$;\n" |
| " return this;\n" |
| "}\n" |
| "public boolean has$capitalized_name$() {\n" |
| " return $get_has$;\n" |
| "}\n" |
| "public $message_name$ clear$capitalized_name$() {\n" |
| " $name$_ = $default_copy_if_needed$;\n" |
| " $clear_has$;\n" |
| " return this;\n" |
| "}\n"); |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateClearCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "$name$_ = $default_copy_if_needed$;\n"); |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "$name$_ = input.read$capitalized_type$();\n" |
| "$set_has$;\n"); |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateSerializationCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "if ($get_has$) {\n" |
| " output.write$capitalized_type$($number$, $name$_);\n" |
| "}\n"); |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateSerializedSizeCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "if ($get_has$) {\n" |
| " size += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .compute$capitalized_type$Size($number$, $name$_);\n" |
| "}\n"); |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateEqualsCode(io::Printer* printer) const { |
| switch (GetJavaType(descriptor_)) { |
| // For all Java primitive types below, the equality checks match the |
| // results of BoxedType.valueOf(primitiveValue).equals(otherValue). |
| case JAVATYPE_FLOAT: |
| printer->Print(variables_, |
| "if ($different_has$\n" |
| " || java.lang.Float.floatToIntBits($name$_)\n" |
| " != java.lang.Float.floatToIntBits(other.$name$_)) {\n" |
| " return false;\n" |
| "}\n"); |
| break; |
| case JAVATYPE_DOUBLE: |
| printer->Print(variables_, |
| "if ($different_has$\n" |
| " || java.lang.Double.doubleToLongBits($name$_)\n" |
| " != java.lang.Double.doubleToLongBits(other.$name$_)) {\n" |
| " return false;\n" |
| "}\n"); |
| break; |
| case JAVATYPE_INT: |
| case JAVATYPE_LONG: |
| case JAVATYPE_BOOLEAN: |
| printer->Print(variables_, |
| "if ($different_has$\n" |
| " || $name$_ != other.$name$_) {\n" |
| " return false;\n" |
| "}\n"); |
| break; |
| case JAVATYPE_STRING: |
| // Accessor style would guarantee $name$_ non-null |
| printer->Print(variables_, |
| "if ($different_has$\n" |
| " || !$name$_.equals(other.$name$_)) {\n" |
| " return false;\n" |
| "}\n"); |
| break; |
| case JAVATYPE_BYTES: |
| // Accessor style would guarantee $name$_ non-null |
| printer->Print(variables_, |
| "if ($different_has$\n" |
| " || !java.util.Arrays.equals($name$_, other.$name$_)) {\n" |
| " return false;\n" |
| "}\n"); |
| break; |
| default: |
| GOOGLE_LOG(ERROR) << "unknown java type for primitive field"; |
| break; |
| } |
| } |
| |
| void AccessorPrimitiveFieldGenerator:: |
| GenerateHashCodeCode(io::Printer* printer) const { |
| switch (GetJavaType(descriptor_)) { |
| // For all Java primitive types below, the hash codes match the |
| // results of BoxedType.valueOf(primitiveValue).hashCode(). |
| case JAVATYPE_INT: |
| printer->Print(variables_, |
| "result = 31 * result + $name$_;\n"); |
| break; |
| case JAVATYPE_LONG: |
| printer->Print(variables_, |
| "result = 31 * result + (int) ($name$_ ^ ($name$_ >>> 32));\n"); |
| break; |
| case JAVATYPE_FLOAT: |
| printer->Print(variables_, |
| "result = 31 * result +\n" |
| " java.lang.Float.floatToIntBits($name$_);\n"); |
| break; |
| case JAVATYPE_DOUBLE: |
| printer->Print(variables_, |
| "{\n" |
| " long v = java.lang.Double.doubleToLongBits($name$_);\n" |
| " result = 31 * result + (int) (v ^ (v >>> 32));\n" |
| "}\n"); |
| break; |
| case JAVATYPE_BOOLEAN: |
| printer->Print(variables_, |
| "result = 31 * result + ($name$_ ? 1231 : 1237);\n"); |
| break; |
| case JAVATYPE_STRING: |
| // Accessor style would guarantee $name$_ non-null |
| printer->Print(variables_, |
| "result = 31 * result + $name$_.hashCode();\n"); |
| break; |
| case JAVATYPE_BYTES: |
| // Accessor style would guarantee $name$_ non-null |
| printer->Print(variables_, |
| "result = 31 * result + java.util.Arrays.hashCode($name$_);\n"); |
| break; |
| default: |
| GOOGLE_LOG(ERROR) << "unknown java type for primitive field"; |
| break; |
| } |
| } |
| |
| // =================================================================== |
| |
| PrimitiveOneofFieldGenerator::PrimitiveOneofFieldGenerator( |
| const FieldDescriptor* descriptor, const Params& params) |
| : FieldGenerator(params), descriptor_(descriptor) { |
| SetPrimitiveVariables(descriptor, params, &variables_); |
| SetCommonOneofVariables(descriptor, &variables_); |
| } |
| |
| PrimitiveOneofFieldGenerator::~PrimitiveOneofFieldGenerator() {} |
| |
| void PrimitiveOneofFieldGenerator::GenerateMembers( |
| io::Printer* printer, bool /*unused lazy_init*/) const { |
| printer->Print(variables_, |
| "public boolean has$capitalized_name$() {\n" |
| " return $has_oneof_case$;\n" |
| "}\n" |
| "public $type$ get$capitalized_name$() {\n" |
| " if ($has_oneof_case$) {\n" |
| " return ($type$) ($boxed_type$) this.$oneof_name$_;\n" |
| " }\n" |
| " return $default$;\n" |
| "}\n" |
| "public $message_name$ set$capitalized_name$($type$ value) {\n" |
| " $set_oneof_case$;\n" |
| " this.$oneof_name$_ = value;\n" |
| " return this;\n" |
| "}\n"); |
| } |
| |
| void PrimitiveOneofFieldGenerator::GenerateClearCode( |
| io::Printer* printer) const { |
| // No clear method for oneof fields. |
| } |
| |
| void PrimitiveOneofFieldGenerator::GenerateMergingCode( |
| io::Printer* printer) const { |
| printer->Print(variables_, |
| "this.$oneof_name$_ = input.read$capitalized_type$();\n" |
| "$set_oneof_case$;\n"); |
| } |
| |
| void PrimitiveOneofFieldGenerator::GenerateSerializationCode( |
| io::Printer* printer) const { |
| printer->Print(variables_, |
| "if ($has_oneof_case$) {\n" |
| " output.write$capitalized_type$(\n" |
| " $number$, ($boxed_type$) this.$oneof_name$_);\n" |
| "}\n"); |
| } |
| |
| void PrimitiveOneofFieldGenerator::GenerateSerializedSizeCode( |
| io::Printer* printer) const { |
| printer->Print(variables_, |
| "if ($has_oneof_case$) {\n" |
| " size += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .compute$capitalized_type$Size(\n" |
| " $number$, ($boxed_type$) this.$oneof_name$_);\n" |
| "}\n"); |
| } |
| |
| void PrimitiveOneofFieldGenerator::GenerateEqualsCode( |
| io::Printer* printer) const { |
| GenerateOneofFieldEquals(descriptor_, variables_, printer); |
| } |
| |
| void PrimitiveOneofFieldGenerator::GenerateHashCodeCode( |
| io::Printer* printer) const { |
| GenerateOneofFieldHashCode(descriptor_, variables_, printer); |
| } |
| |
| // =================================================================== |
| |
| RepeatedPrimitiveFieldGenerator::RepeatedPrimitiveFieldGenerator( |
| const FieldDescriptor* descriptor, const Params& params) |
| : FieldGenerator(params), descriptor_(descriptor) { |
| SetPrimitiveVariables(descriptor, params, &variables_); |
| } |
| |
| RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {} |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateMembers(io::Printer* printer, bool /*unused init_defaults*/) const { |
| printer->Print(variables_, |
| "public $type$[] $name$;\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateClearCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "$name$ = $default$;\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| // First, figure out the length of the array, then parse. |
| printer->Print(variables_, |
| "int arrayLength = com.google.protobuf.nano.WireFormatNano\n" |
| " .getRepeatedFieldArrayLength(input, $non_packed_tag$);\n" |
| "int i = this.$name$ == null ? 0 : this.$name$.length;\n"); |
| |
| if (GetJavaType(descriptor_) == JAVATYPE_BYTES) { |
| printer->Print(variables_, |
| "byte[][] newArray = new byte[i + arrayLength][];\n"); |
| } else { |
| printer->Print(variables_, |
| "$type$[] newArray = new $type$[i + arrayLength];\n"); |
| } |
| printer->Print(variables_, |
| "if (i != 0) {\n" |
| " java.lang.System.arraycopy(this.$name$, 0, newArray, 0, i);\n" |
| "}\n" |
| "for (; i < newArray.length - 1; i++) {\n" |
| " newArray[i] = input.read$capitalized_type$();\n" |
| " input.readTag();\n" |
| "}\n" |
| "// Last one without readTag.\n" |
| "newArray[i] = input.read$capitalized_type$();\n" |
| "this.$name$ = newArray;\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateMergingCodeFromPacked(io::Printer* printer) const { |
| printer->Print( |
| "int length = input.readRawVarint32();\n" |
| "int limit = input.pushLimit(length);\n"); |
| |
| // If we know the elements will all be of the same size, the arrayLength |
| // can be calculated much more easily. However, FixedSize() returns 1 for |
| // repeated bool fields, which are guaranteed to have the fixed size of |
| // 1 byte per value only if we control the output. On the wire they can |
| // legally appear as variable-size integers, so we need to use the slow |
| // way for repeated bool fields. |
| if (descriptor_->type() == FieldDescriptor::TYPE_BOOL |
| || FixedSize(descriptor_->type()) == -1) { |
| printer->Print(variables_, |
| "// First pass to compute array length.\n" |
| "int arrayLength = 0;\n" |
| "int startPos = input.getPosition();\n" |
| "while (input.getBytesUntilLimit() > 0) {\n" |
| " input.read$capitalized_type$();\n" |
| " arrayLength++;\n" |
| "}\n" |
| "input.rewindToPosition(startPos);\n"); |
| } else { |
| printer->Print(variables_, |
| "int arrayLength = length / $fixed_size$;\n"); |
| } |
| |
| printer->Print(variables_, |
| "int i = this.$name$ == null ? 0 : this.$name$.length;\n" |
| "$type$[] newArray = new $type$[i + arrayLength];\n" |
| "if (i != 0) {\n" |
| " java.lang.System.arraycopy(this.$name$, 0, newArray, 0, i);\n" |
| "}\n" |
| "for (; i < newArray.length; i++) {\n" |
| " newArray[i] = input.read$capitalized_type$();\n" |
| "}\n" |
| "this.$name$ = newArray;\n" |
| "input.popLimit(limit);\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateRepeatedDataSizeCode(io::Printer* printer) const { |
| // Creates a variable dataSize and puts the serialized size in there. |
| // If the element type is a Java reference type, also generates |
| // dataCount which stores the number of non-null elements in the field. |
| if (IsReferenceType(GetJavaType(descriptor_))) { |
| printer->Print(variables_, |
| "int dataCount = 0;\n" |
| "int dataSize = 0;\n" |
| "for (int i = 0; i < this.$name$.length; i++) {\n" |
| " $type$ element = this.$name$[i];\n" |
| " if (element != null) {\n" |
| " dataCount++;\n" |
| " dataSize += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .compute$capitalized_type$SizeNoTag(element);\n" |
| " }\n" |
| "}\n"); |
| } else if (FixedSize(descriptor_->type()) == -1) { |
| printer->Print(variables_, |
| "int dataSize = 0;\n" |
| "for (int i = 0; i < this.$name$.length; i++) {\n" |
| " $type$ element = this.$name$[i];\n" |
| " dataSize += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .compute$capitalized_type$SizeNoTag(element);\n" |
| "}\n"); |
| } else { |
| printer->Print(variables_, |
| "int dataSize = $fixed_size$ * this.$name$.length;\n"); |
| } |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateSerializationCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "if (this.$name$ != null && this.$name$.length > 0) {\n"); |
| printer->Indent(); |
| |
| if (descriptor_->is_packable() && descriptor_->options().packed()) { |
| GenerateRepeatedDataSizeCode(printer); |
| printer->Print(variables_, |
| "output.writeRawVarint32($tag$);\n" |
| "output.writeRawVarint32(dataSize);\n" |
| "for (int i = 0; i < this.$name$.length; i++) {\n" |
| " output.write$capitalized_type$NoTag(this.$name$[i]);\n" |
| "}\n"); |
| } else if (IsReferenceType(GetJavaType(descriptor_))) { |
| printer->Print(variables_, |
| "for (int i = 0; i < this.$name$.length; i++) {\n" |
| " $type$ element = this.$name$[i];\n" |
| " if (element != null) {\n" |
| " output.write$capitalized_type$($number$, element);\n" |
| " }\n" |
| "}\n"); |
| } else { |
| printer->Print(variables_, |
| "for (int i = 0; i < this.$name$.length; i++) {\n" |
| " output.write$capitalized_type$($number$, this.$name$[i]);\n" |
| "}\n"); |
| } |
| |
| printer->Outdent(); |
| printer->Print("}\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateSerializedSizeCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "if (this.$name$ != null && this.$name$.length > 0) {\n"); |
| printer->Indent(); |
| |
| GenerateRepeatedDataSizeCode(printer); |
| |
| printer->Print( |
| "size += dataSize;\n"); |
| if (descriptor_->is_packable() && descriptor_->options().packed()) { |
| printer->Print(variables_, |
| "size += $tag_size$;\n" |
| "size += com.google.protobuf.nano.CodedOutputByteBufferNano\n" |
| " .computeRawVarint32Size(dataSize);\n"); |
| } else if (IsReferenceType(GetJavaType(descriptor_))) { |
| printer->Print(variables_, |
| "size += $tag_size$ * dataCount;\n"); |
| } else { |
| printer->Print(variables_, |
| "size += $tag_size$ * this.$name$.length;\n"); |
| } |
| |
| printer->Outdent(); |
| |
| printer->Print( |
| "}\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateEqualsCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "if (!com.google.protobuf.nano.InternalNano.equals(\n" |
| " this.$name$, other.$name$)) {\n" |
| " return false;\n" |
| "}\n"); |
| } |
| |
| void RepeatedPrimitiveFieldGenerator:: |
| GenerateHashCodeCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "result = 31 * result\n" |
| " + com.google.protobuf.nano.InternalNano.hashCode(this.$name$);\n"); |
| } |
| |
| } // namespace javanano |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |
