diff options
Diffstat (limited to 'src/google/protobuf/compiler/java/java_map_field.cc')
| -rw-r--r-- | src/google/protobuf/compiler/java/java_map_field.cc | 743 |
1 files changed, 743 insertions, 0 deletions
diff --git a/src/google/protobuf/compiler/java/java_map_field.cc b/src/google/protobuf/compiler/java/java_map_field.cc new file mode 100644 index 00000000..16c5bec5 --- /dev/null +++ b/src/google/protobuf/compiler/java/java_map_field.cc @@ -0,0 +1,743 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// 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. + +#include <google/protobuf/compiler/java/java_map_field.h> + +#include <google/protobuf/compiler/java/java_context.h> +#include <google/protobuf/compiler/java/java_doc_comment.h> +#include <google/protobuf/compiler/java/java_helpers.h> +#include <google/protobuf/compiler/java/java_name_resolver.h> +#include <google/protobuf/io/printer.h> + +namespace google { +namespace protobuf { +namespace compiler { +namespace java { + +namespace { + +const FieldDescriptor* KeyField(const FieldDescriptor* descriptor) { + GOOGLE_CHECK_EQ(FieldDescriptor::TYPE_MESSAGE, descriptor->type()); + const Descriptor* message = descriptor->message_type(); + GOOGLE_CHECK(message->options().map_entry()); + return message->FindFieldByName("key"); +} + +const FieldDescriptor* ValueField(const FieldDescriptor* descriptor) { + GOOGLE_CHECK_EQ(FieldDescriptor::TYPE_MESSAGE, descriptor->type()); + const Descriptor* message = descriptor->message_type(); + GOOGLE_CHECK(message->options().map_entry()); + return message->FindFieldByName("value"); +} + +string TypeName(const FieldDescriptor* field, + ClassNameResolver* name_resolver, + bool boxed) { + if (GetJavaType(field) == JAVATYPE_MESSAGE) { + return name_resolver->GetImmutableClassName(field->message_type()); + } else if (GetJavaType(field) == JAVATYPE_ENUM) { + return name_resolver->GetImmutableClassName(field->enum_type()); + } else { + return boxed ? BoxedPrimitiveTypeName(GetJavaType(field)) + : PrimitiveTypeName(GetJavaType(field)); + } +} + +string WireType(const FieldDescriptor* field) { + return "com.google.protobuf.WireFormat.FieldType." + + string(FieldTypeName(field->type())); +} + +void SetMessageVariables(const FieldDescriptor* descriptor, + int messageBitIndex, + int builderBitIndex, + const FieldGeneratorInfo* info, + Context* context, + map<string, string>* variables) { + SetCommonFieldVariables(descriptor, info, variables); + ClassNameResolver* name_resolver = context->GetNameResolver(); + + (*variables)["type"] = + name_resolver->GetImmutableClassName(descriptor->message_type()); + const FieldDescriptor* key = KeyField(descriptor); + const FieldDescriptor* value = ValueField(descriptor); + const JavaType keyJavaType = GetJavaType(key); + const JavaType valueJavaType = GetJavaType(value); + + (*variables)["key_type"] = TypeName(key, name_resolver, false); + (*variables)["boxed_key_type"] = TypeName(key, name_resolver, true); + (*variables)["key_wire_type"] = WireType(key); + (*variables)["key_default_value"] = DefaultValue(key, true, name_resolver); + (*variables)["key_null_check"] = IsReferenceType(keyJavaType) ? + "if (key == null) { throw new java.lang.NullPointerException(); }" : ""; + (*variables)["value_null_check"] = IsReferenceType(valueJavaType) ? + "if (value == null) { throw new java.lang.NullPointerException(); }" : ""; + if (valueJavaType == JAVATYPE_ENUM) { + // We store enums as Integers internally. + (*variables)["value_type"] = "int"; + (*variables)["boxed_value_type"] = "java.lang.Integer"; + (*variables)["value_wire_type"] = WireType(value); + (*variables)["value_default_value"] = + DefaultValue(value, true, name_resolver) + ".getNumber()"; + + (*variables)["value_enum_type"] = TypeName(value, name_resolver, false); + + if (SupportUnknownEnumValue(descriptor->file())) { + // Map unknown values to a special UNRECOGNIZED value if supported. + (*variables)["unrecognized_value"] = + (*variables)["value_enum_type"] + ".UNRECOGNIZED"; + } else { + // Map unknown values to the default value if we don't have UNRECOGNIZED. + (*variables)["unrecognized_value"] = + DefaultValue(value, true, name_resolver); + } + } else { + (*variables)["value_type"] = TypeName(value, name_resolver, false); + (*variables)["boxed_value_type"] = TypeName(value, name_resolver, true); + (*variables)["value_wire_type"] = WireType(value); + (*variables)["value_default_value"] = + DefaultValue(value, true, name_resolver); + } + (*variables)["type_parameters"] = + (*variables)["boxed_key_type"] + ", " + (*variables)["boxed_value_type"]; + // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported + // by the proto compiler + (*variables)["deprecation"] = descriptor->options().deprecated() + ? "@java.lang.Deprecated " : ""; + (*variables)["on_changed"] = "onChanged();"; + + // For repeated fields, one bit is used for whether the array is immutable + // in the parsing constructor. + (*variables)["get_mutable_bit_parser"] = + GenerateGetBitMutableLocal(builderBitIndex); + (*variables)["set_mutable_bit_parser"] = + GenerateSetBitMutableLocal(builderBitIndex); + + (*variables)["default_entry"] = (*variables)["capitalized_name"] + + "DefaultEntryHolder.defaultEntry"; + (*variables)["map_field_parameter"] = (*variables)["default_entry"]; + (*variables)["descriptor"] = + name_resolver->GetImmutableClassName(descriptor->file()) + + ".internal_" + UniqueFileScopeIdentifier(descriptor->message_type()) + + "_descriptor, "; +} + +} // namespace + +ImmutableMapFieldGenerator:: +ImmutableMapFieldGenerator(const FieldDescriptor* descriptor, + int messageBitIndex, + int builderBitIndex, + Context* context) + : descriptor_(descriptor), name_resolver_(context->GetNameResolver()) { + SetMessageVariables(descriptor, messageBitIndex, builderBitIndex, + context->GetFieldGeneratorInfo(descriptor), + context, &variables_); +} + +ImmutableMapFieldGenerator:: +~ImmutableMapFieldGenerator() {} + +int ImmutableMapFieldGenerator::GetNumBitsForMessage() const { + return 0; +} + +int ImmutableMapFieldGenerator::GetNumBitsForBuilder() const { + return 1; +} + +void ImmutableMapFieldGenerator:: +GenerateInterfaceMembers(io::Printer* printer) const { + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$int get$capitalized_name$Count();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$boolean contains$capitalized_name$(\n" + " $key_type$ key);\n"); + if (GetJavaType(ValueField(descriptor_)) == JAVATYPE_ENUM) { + printer->Print( + variables_, + "/**\n" + " * Use {@link #get$capitalized_name$Map()} instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "java.util.Map<$boxed_key_type$, $value_enum_type$>\n" + "get$capitalized_name$();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$java.util.Map<$boxed_key_type$, $value_enum_type$>\n" + "get$capitalized_name$Map();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$$value_enum_type$ get$capitalized_name$OrDefault(\n" + " $key_type$ key,\n" + " $value_enum_type$ defaultValue);\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$$value_enum_type$ get$capitalized_name$OrThrow(\n" + " $key_type$ key);\n"); + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print( + variables_, + "/**\n" + " * Use {@link #get$capitalized_name$ValueMap()} instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "java.util.Map<$type_parameters$>\n" + "get$capitalized_name$Value();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$java.util.Map<$type_parameters$>\n" + "get$capitalized_name$ValueMap();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "$value_type$ get$capitalized_name$ValueOrDefault(\n" + " $key_type$ key,\n" + " $value_type$ defaultValue);\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "$value_type$ get$capitalized_name$ValueOrThrow(\n" + " $key_type$ key);\n"); + } + } else { + printer->Print( + variables_, + "/**\n" + " * Use {@link #get$capitalized_name$Map()} instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "java.util.Map<$type_parameters$>\n" + "get$capitalized_name$();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$java.util.Map<$type_parameters$>\n" + "get$capitalized_name$Map();\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "$value_type$ get$capitalized_name$OrDefault(\n" + " $key_type$ key,\n" + " $value_type$ defaultValue);\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "$value_type$ get$capitalized_name$OrThrow(\n" + " $key_type$ key);\n"); + } +} + +void ImmutableMapFieldGenerator:: +GenerateMembers(io::Printer* printer) const { + printer->Print( + variables_, + "private static final class $capitalized_name$DefaultEntryHolder {\n" + " static final com.google.protobuf.MapEntry<\n" + " $type_parameters$> defaultEntry =\n" + " com.google.protobuf.MapEntry\n" + " .<$type_parameters$>newDefaultInstance(\n" + " $descriptor$\n" + " $key_wire_type$,\n" + " $key_default_value$,\n" + " $value_wire_type$,\n" + " $value_default_value$);\n" + "}\n"); + printer->Print( + variables_, + "private com.google.protobuf.MapField<\n" + " $type_parameters$> $name$_;\n" + "private com.google.protobuf.MapField<$type_parameters$>\n" + "internalGet$capitalized_name$() {\n" + " if ($name$_ == null) {\n" + " return com.google.protobuf.MapField.emptyMapField(\n" + " $map_field_parameter$);\n" + " }\n" + " return $name$_;\n" + "}\n"); + if (GetJavaType(ValueField(descriptor_)) == JAVATYPE_ENUM) { + printer->Print( + variables_, + "private static final\n" + "com.google.protobuf.Internal.MapAdapter.Converter<\n" + " java.lang.Integer, $value_enum_type$> $name$ValueConverter =\n" + " com.google.protobuf.Internal.MapAdapter.newEnumConverter(\n" + " $value_enum_type$.internalGetValueMap(),\n" + " $unrecognized_value$);\n"); + } + GenerateMapGetters(printer); +} + +void ImmutableMapFieldGenerator:: +GenerateBuilderMembers(io::Printer* printer) const { + printer->Print( + variables_, + "private com.google.protobuf.MapField<\n" + " $type_parameters$> $name$_;\n" + "private com.google.protobuf.MapField<$type_parameters$>\n" + "internalGet$capitalized_name$() {\n" + " if ($name$_ == null) {\n" + " return com.google.protobuf.MapField.emptyMapField(\n" + " $map_field_parameter$);\n" + " }\n" + " return $name$_;\n" + "}\n" + "private com.google.protobuf.MapField<$type_parameters$>\n" + "internalGetMutable$capitalized_name$() {\n" + " $on_changed$;\n" + " if ($name$_ == null) {\n" + " $name$_ = com.google.protobuf.MapField.newMapField(\n" + " $map_field_parameter$);\n" + " }\n" + " if (!$name$_.isMutable()) {\n" + " $name$_ = $name$_.copy();\n" + " }\n" + " return $name$_;\n" + "}\n"); + GenerateMapGetters(printer); + printer->Print( + variables_, + "$deprecation$\n" + "public Builder clear$capitalized_name$() {\n" + " getMutable$capitalized_name$().clear();\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public Builder remove$capitalized_name$(\n" + " $key_type$ key) {\n" + " $key_null_check$\n" + " getMutable$capitalized_name$().remove(key);\n" + " return this;\n" + "}\n"); + if (GetJavaType(ValueField(descriptor_)) == JAVATYPE_ENUM) { + printer->Print( + variables_, + "/**\n" + " * Use alternate mutation accessors instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "public java.util.Map<$boxed_key_type$, $value_enum_type$>\n" + "getMutable$capitalized_name$() {\n" + " return new com.google.protobuf.Internal.MapAdapter<\n" + " $boxed_key_type$, $value_enum_type$, java.lang.Integer>(\n" + " internalGetMutable$capitalized_name$().getMutableMap(),\n" + " $name$ValueConverter);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$public Builder put$capitalized_name$(\n" + " $key_type$ key,\n" + " $value_enum_type$ value) {\n" + " $key_null_check$\n" + " $value_null_check$\n" + " getMutable$capitalized_name$().put(key, value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + // TODO(arielb): null check map keys/values here and everywhere else + // related to putAll + "$deprecation$public Builder putAll$capitalized_name$(\n" + " java.util.Map<$boxed_key_type$, $value_enum_type$> values) {\n" + " getMutable$capitalized_name$().putAll(values);\n" + " return this;\n" + "}\n"); + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print( + variables_, + "/**\n" + " * Use alternate mutation accessors instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "public java.util.Map<$boxed_key_type$, $boxed_value_type$>\n" + "getMutable$capitalized_name$Value() {\n" + " return internalGetMutable$capitalized_name$().getMutableMap();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$public Builder put$capitalized_name$Value(\n" + " $key_type$ key,\n" + " $value_type$ value) {\n" + " $key_null_check$\n" + " if ($value_enum_type$.forNumber(value) == null) {\n" + " throw new java.lang.IllegalArgumentException();\n" + " }\n" + " getMutable$capitalized_name$Value().put(key, value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$public Builder putAll$capitalized_name$Value(\n" + " java.util.Map<$boxed_key_type$, $boxed_value_type$> values) {\n" + " getMutable$capitalized_name$Value().putAll(values);\n" + " return this;\n" + "}\n"); + } + } else { + printer->Print( + variables_, + "/**\n" + " * Use alternate mutation accessors instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "public java.util.Map<$type_parameters$>\n" + "getMutable$capitalized_name$() {\n" + " return internalGetMutable$capitalized_name$().getMutableMap();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$" + "public Builder put$capitalized_name$(\n" + " $key_type$ key,\n" + " $value_type$ value) {\n" + " $key_null_check$\n" + " $value_null_check$\n" + " getMutable$capitalized_name$().put(key, value);\n" + " return this;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public Builder putAll$capitalized_name$(\n" + " java.util.Map<$type_parameters$> values) {\n" + " getMutable$capitalized_name$().putAll(values);\n" + " return this;\n" + "}\n"); + } +} + +void ImmutableMapFieldGenerator:: +GenerateMapGetters(io::Printer* printer) const { + printer->Print( + variables_, + "$deprecation$\n" + "public int get$capitalized_name$Count() {\n" + " return internalGet$capitalized_name$().getMap().size();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public boolean contains$capitalized_name$(\n" + " $key_type$ key) {\n" + " $key_null_check$\n" + " return internalGet$capitalized_name$().getMap().containsKey(key);\n" + "}\n"); + if (GetJavaType(ValueField(descriptor_)) == JAVATYPE_ENUM) { + printer->Print( + variables_, + "/**\n" + " * Use {@link #get$capitalized_name$Map()} instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "public java.util.Map<$boxed_key_type$, $value_enum_type$>\n" + "get$capitalized_name$() {\n" + " return get$capitalized_name$Map();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public java.util.Map<$boxed_key_type$, $value_enum_type$>\n" + "get$capitalized_name$Map() {\n" + " return new com.google.protobuf.Internal.MapAdapter<\n" + " $boxed_key_type$, $value_enum_type$, java.lang.Integer>(\n" + " internalGet$capitalized_name$().getMap(),\n" + " $name$ValueConverter);\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public $value_enum_type$ get$capitalized_name$OrDefault(\n" + " $key_type$ key,\n" + " $value_enum_type$ defaultValue) {\n" + " $key_null_check$\n" + " java.util.Map<$boxed_key_type$, $boxed_value_type$> map =\n" + " internalGet$capitalized_name$().getMap();\n" + " return map.containsKey(key)\n" + " ? $name$ValueConverter.doForward(map.get(key))\n" + " : defaultValue;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public $value_enum_type$ get$capitalized_name$OrThrow(\n" + " $key_type$ key) {\n" + " $key_null_check$\n" + " java.util.Map<$boxed_key_type$, $boxed_value_type$> map =\n" + " internalGet$capitalized_name$().getMap();\n" + " if (!map.containsKey(key)) {\n" + " throw new java.lang.IllegalArgumentException();\n" + " }\n" + " return $name$ValueConverter.doForward(map.get(key));\n" + "}\n"); + if (SupportUnknownEnumValue(descriptor_->file())) { + printer->Print( + variables_, + "/**\n" + " * Use {@link #get$capitalized_name$ValueMap()} instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "public java.util.Map<$boxed_key_type$, $boxed_value_type$>\n" + "get$capitalized_name$Value() {\n" + " return get$capitalized_name$ValueMap();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public java.util.Map<$boxed_key_type$, $boxed_value_type$>\n" + "get$capitalized_name$ValueMap() {\n" + " return internalGet$capitalized_name$().getMap();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public $value_type$ get$capitalized_name$ValueOrDefault(\n" + " $key_type$ key,\n" + " $value_type$ defaultValue) {\n" + " $key_null_check$\n" + " java.util.Map<$boxed_key_type$, $boxed_value_type$> map =\n" + " internalGet$capitalized_name$().getMap();\n" + " return map.containsKey(key) ? map.get(key) : defaultValue;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public $value_type$ get$capitalized_name$ValueOrThrow(\n" + " $key_type$ key) {\n" + " $key_null_check$\n" + " java.util.Map<$boxed_key_type$, $boxed_value_type$> map =\n" + " internalGet$capitalized_name$().getMap();\n" + " if (!map.containsKey(key)) {\n" + " throw new java.lang.IllegalArgumentException();\n" + " }\n" + " return map.get(key);\n" + "}\n"); + } + } else { + printer->Print( + variables_, + "/**\n" + " * Use {@link #get$capitalized_name$Map()} instead.\n" + " */\n" + "@java.lang.Deprecated\n" + "public java.util.Map<$type_parameters$> get$capitalized_name$() {\n" + " return get$capitalized_name$Map();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public java.util.Map<$type_parameters$> get$capitalized_name$Map() {\n" + " return internalGet$capitalized_name$().getMap();\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public $value_type$ get$capitalized_name$OrDefault(\n" + " $key_type$ key,\n" + " $value_type$ defaultValue) {\n" + " $key_null_check$\n" + " java.util.Map<$type_parameters$> map =\n" + " internalGet$capitalized_name$().getMap();\n" + " return map.containsKey(key) ? map.get(key) : defaultValue;\n" + "}\n"); + WriteFieldDocComment(printer, descriptor_); + printer->Print( + variables_, + "$deprecation$\n" + "public $value_type$ get$capitalized_name$OrThrow(\n" + " $key_type$ key) {\n" + " $key_null_check$\n" + " java.util.Map<$type_parameters$> map =\n" + " internalGet$capitalized_name$().getMap();\n" + " if (!map.containsKey(key)) {\n" + " throw new java.lang.IllegalArgumentException();\n" + " }\n" + " return map.get(key);\n" + "}\n"); + } +} + +void ImmutableMapFieldGenerator:: +GenerateFieldBuilderInitializationCode(io::Printer* printer) const { + // Nothing to initialize. +} + +void ImmutableMapFieldGenerator:: +GenerateInitializationCode(io::Printer* printer) const { + // Nothing to initialize. +} + +void ImmutableMapFieldGenerator:: +GenerateBuilderClearCode(io::Printer* printer) const { + printer->Print( + variables_, + "internalGetMutable$capitalized_name$().clear();\n"); +} + +void ImmutableMapFieldGenerator:: +GenerateMergingCode(io::Printer* printer) const { + printer->Print( + variables_, + "internalGetMutable$capitalized_name$().mergeFrom(\n" + " other.internalGet$capitalized_name$());\n"); +} + +void ImmutableMapFieldGenerator:: +GenerateBuildingCode(io::Printer* printer) const { + printer->Print( + variables_, + "result.$name$_ = internalGet$capitalized_name$();\n" + "result.$name$_.makeImmutable();\n"); +} + +void ImmutableMapFieldGenerator:: +GenerateParsingCode(io::Printer* printer) const { + printer->Print( + variables_, + "if (!$get_mutable_bit_parser$) {\n" + " $name$_ = com.google.protobuf.MapField.newMapField(\n" + " $map_field_parameter$);\n" + " $set_mutable_bit_parser$;\n" + "}\n"); + if (!SupportUnknownEnumValue(descriptor_->file()) && + GetJavaType(ValueField(descriptor_)) == JAVATYPE_ENUM) { + printer->Print( + variables_, + "com.google.protobuf.ByteString bytes = input.readBytes();\n" + "com.google.protobuf.MapEntry<$type_parameters$>\n" + "$name$ = $default_entry$.getParserForType().parseFrom(bytes);\n"); + printer->Print( + variables_, + "if ($value_enum_type$.forNumber($name$.getValue()) == null) {\n" + " unknownFields.mergeLengthDelimitedField($number$, bytes);\n" + "} else {\n" + " $name$_.getMutableMap().put($name$.getKey(), $name$.getValue());\n" + "}\n"); + } else { + printer->Print( + variables_, + "com.google.protobuf.MapEntry<$type_parameters$>\n" + "$name$ = input.readMessage(\n" + " $default_entry$.getParserForType(), extensionRegistry);\n" + "$name$_.getMutableMap().put($name$.getKey(), $name$.getValue());\n"); + } +} + +void ImmutableMapFieldGenerator:: +GenerateParsingDoneCode(io::Printer* printer) const { + // Nothing to do here. +} + +void ImmutableMapFieldGenerator:: +GenerateSerializationCode(io::Printer* printer) const { + printer->Print( + variables_, + "for (java.util.Map.Entry<$type_parameters$> entry\n" + " : internalGet$capitalized_name$().getMap().entrySet()) {\n" + " com.google.protobuf.MapEntry<$type_parameters$>\n" + " $name$ = $default_entry$.newBuilderForType()\n" + " .setKey(entry.getKey())\n" + " .setValue(entry.getValue())\n" + " .build();\n" + " output.writeMessage($number$, $name$);\n" + "}\n"); +} + +void ImmutableMapFieldGenerator:: +GenerateSerializedSizeCode(io::Printer* printer) const { + printer->Print( + variables_, + "for (java.util.Map.Entry<$type_parameters$> entry\n" + " : internalGet$capitalized_name$().getMap().entrySet()) {\n" + " com.google.protobuf.MapEntry<$type_parameters$>\n" + " $name$ = $default_entry$.newBuilderForType()\n" + " .setKey(entry.getKey())\n" + " .setValue(entry.getValue())\n" + " .build();\n" + " size += com.google.protobuf.CodedOutputStream\n" + " .computeMessageSize($number$, $name$);\n" + "}\n"); +} + +void ImmutableMapFieldGenerator:: +GenerateEqualsCode(io::Printer* printer) const { + printer->Print( + variables_, + "result = result && internalGet$capitalized_name$().equals(\n" + " other.internalGet$capitalized_name$());\n"); +} + +void ImmutableMapFieldGenerator:: +GenerateHashCode(io::Printer* printer) const { + printer->Print( + variables_, + "if (!internalGet$capitalized_name$().getMap().isEmpty()) {\n" + " hash = (37 * hash) + $constant_name$;\n" + " hash = (53 * hash) + internalGet$capitalized_name$().hashCode();\n" + "}\n"); +} + +string ImmutableMapFieldGenerator::GetBoxedType() const { + return name_resolver_->GetImmutableClassName(descriptor_->message_type()); +} + +} // namespace java +} // namespace compiler +} // namespace protobuf +} // namespace google |