temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 1 | // Protocol Buffers - Google's data interchange format |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 2 | // Copyright 2008 Google Inc. All rights reserved. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 3 | // http://code.google.com/p/protobuf/ |
| 4 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 8 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 9 | // * Redistributions of source code must retain the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer. |
| 11 | // * Redistributions in binary form must reproduce the above |
| 12 | // copyright notice, this list of conditions and the following disclaimer |
| 13 | // in the documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // * Neither the name of Google Inc. nor the names of its |
| 16 | // contributors may be used to endorse or promote products derived from |
| 17 | // this software without specific prior written permission. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 18 | // |
kenton@google.com | 24bf56f | 2008-09-24 20:31:01 +0000 | [diff] [blame] | 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 30 | |
| 31 | // Author: kenton@google.com (Kenton Varda) |
| 32 | // Based on original Protocol Buffers design by |
| 33 | // Sanjay Ghemawat, Jeff Dean, and others. |
| 34 | |
| 35 | #include <map> |
| 36 | #include <string> |
| 37 | |
| 38 | #include <google/protobuf/compiler/java/java_message_field.h> |
| 39 | #include <google/protobuf/compiler/java/java_helpers.h> |
| 40 | #include <google/protobuf/io/printer.h> |
| 41 | #include <google/protobuf/wire_format.h> |
| 42 | #include <google/protobuf/stubs/strutil.h> |
| 43 | |
| 44 | namespace google { |
| 45 | namespace protobuf { |
| 46 | namespace compiler { |
| 47 | namespace java { |
| 48 | |
| 49 | namespace { |
| 50 | |
| 51 | // TODO(kenton): Factor out a "SetCommonFieldVariables()" to get rid of |
| 52 | // repeat code between this and the other field types. |
| 53 | void SetMessageVariables(const FieldDescriptor* descriptor, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 54 | int messageBitIndex, |
| 55 | int builderBitIndex, |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 56 | map<string, string>* variables) { |
| 57 | (*variables)["name"] = |
| 58 | UnderscoresToCamelCase(descriptor); |
| 59 | (*variables)["capitalized_name"] = |
| 60 | UnderscoresToCapitalizedCamelCase(descriptor); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 61 | (*variables)["constant_name"] = FieldConstantName(descriptor); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 62 | (*variables)["number"] = SimpleItoa(descriptor->number()); |
| 63 | (*variables)["type"] = ClassName(descriptor->message_type()); |
| 64 | (*variables)["group_or_message"] = |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 65 | (GetType(descriptor) == FieldDescriptor::TYPE_GROUP) ? |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 66 | "Group" : "Message"; |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 67 | // TODO(birdo): Add @deprecated javadoc when generating javadoc is supported |
| 68 | // by the proto compiler |
| 69 | (*variables)["deprecation"] = descriptor->options().deprecated() |
| 70 | ? "@java.lang.Deprecated " : ""; |
| 71 | (*variables)["on_changed"] = |
| 72 | HasDescriptorMethods(descriptor->containing_type()) ? "onChanged();" : ""; |
| 73 | |
| 74 | // For singular messages and builders, one bit is used for the hasField bit. |
| 75 | (*variables)["get_has_field_bit_message"] = GenerateGetBit(messageBitIndex); |
| 76 | |
| 77 | (*variables)["get_has_field_bit_builder"] = GenerateGetBit(builderBitIndex); |
| 78 | (*variables)["set_has_field_bit_builder"] = GenerateSetBit(builderBitIndex); |
| 79 | (*variables)["clear_has_field_bit_builder"] = |
| 80 | GenerateClearBit(builderBitIndex); |
| 81 | |
| 82 | // For repated builders, one bit is used for whether the array is immutable. |
| 83 | (*variables)["get_mutable_bit_builder"] = GenerateGetBit(builderBitIndex); |
| 84 | (*variables)["set_mutable_bit_builder"] = GenerateSetBit(builderBitIndex); |
| 85 | (*variables)["clear_mutable_bit_builder"] = GenerateClearBit(builderBitIndex); |
| 86 | |
| 87 | (*variables)["get_has_field_bit_from_local"] = |
| 88 | GenerateGetBitFromLocal(builderBitIndex); |
| 89 | (*variables)["set_has_field_bit_to_local"] = |
| 90 | GenerateSetBitToLocal(messageBitIndex); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | } // namespace |
| 94 | |
| 95 | // =================================================================== |
| 96 | |
| 97 | MessageFieldGenerator:: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 98 | MessageFieldGenerator(const FieldDescriptor* descriptor, |
| 99 | int messageBitIndex, |
| 100 | int builderBitIndex) |
| 101 | : descriptor_(descriptor), messageBitIndex_(messageBitIndex), |
| 102 | builderBitIndex_(builderBitIndex) { |
| 103 | SetMessageVariables(descriptor, messageBitIndex, builderBitIndex, |
| 104 | &variables_); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | MessageFieldGenerator::~MessageFieldGenerator() {} |
| 108 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 109 | int MessageFieldGenerator::GetNumBitsForMessage() const { |
| 110 | return 1; |
| 111 | } |
| 112 | |
| 113 | int MessageFieldGenerator::GetNumBitsForBuilder() const { |
| 114 | return 1; |
| 115 | } |
| 116 | |
| 117 | void MessageFieldGenerator:: |
| 118 | GenerateInterfaceMembers(io::Printer* printer) const { |
| 119 | // TODO(jonp): In the future, consider having a method specific to the |
| 120 | // interface so that builders can choose dynamically to either return a |
| 121 | // message or a nested builder, so that asking for the interface doesn't |
| 122 | // cause a message to ever be built. |
| 123 | printer->Print(variables_, |
| 124 | "$deprecation$boolean has$capitalized_name$();\n" |
| 125 | "$deprecation$$type$ get$capitalized_name$();\n"); |
| 126 | |
| 127 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 128 | printer->Print(variables_, |
| 129 | "$deprecation$$type$OrBuilder get$capitalized_name$OrBuilder();\n"); |
| 130 | } |
| 131 | } |
| 132 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 133 | void MessageFieldGenerator:: |
| 134 | GenerateMembers(io::Printer* printer) const { |
| 135 | printer->Print(variables_, |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 136 | "private $type$ $name$_;\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 137 | "$deprecation$public boolean has$capitalized_name$() {\n" |
| 138 | " return $get_has_field_bit_message$;\n" |
| 139 | "}\n" |
| 140 | "$deprecation$public $type$ get$capitalized_name$() {\n" |
| 141 | " return $name$_;\n" |
| 142 | "}\n"); |
| 143 | |
| 144 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 145 | printer->Print(variables_, |
| 146 | "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder() {\n" |
| 147 | " return $name$_;\n" |
| 148 | "}\n"); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | void MessageFieldGenerator::PrintNestedBuilderCondition( |
| 153 | io::Printer* printer, |
| 154 | const char* regular_case, |
| 155 | const char* nested_builder_case) const { |
| 156 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 157 | printer->Print(variables_, "if ($name$Builder_ == null) {\n"); |
| 158 | printer->Indent(); |
| 159 | printer->Print(variables_, regular_case); |
| 160 | printer->Outdent(); |
| 161 | printer->Print("} else {\n"); |
| 162 | printer->Indent(); |
| 163 | printer->Print(variables_, nested_builder_case); |
| 164 | printer->Outdent(); |
| 165 | printer->Print("}\n"); |
| 166 | } else { |
| 167 | printer->Print(variables_, regular_case); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | void MessageFieldGenerator::PrintNestedBuilderFunction( |
| 172 | io::Printer* printer, |
| 173 | const char* method_prototype, |
| 174 | const char* regular_case, |
| 175 | const char* nested_builder_case, |
| 176 | const char* trailing_code) const { |
| 177 | printer->Print(variables_, method_prototype); |
| 178 | printer->Print(" {\n"); |
| 179 | printer->Indent(); |
| 180 | PrintNestedBuilderCondition(printer, regular_case, nested_builder_case); |
| 181 | if (trailing_code != NULL) { |
| 182 | printer->Print(variables_, trailing_code); |
| 183 | } |
| 184 | printer->Outdent(); |
| 185 | printer->Print("}\n"); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | void MessageFieldGenerator:: |
| 189 | GenerateBuilderMembers(io::Printer* printer) const { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 190 | // When using nested-builders, the code initially works just like the |
| 191 | // non-nested builder case. It only creates a nested builder lazily on |
| 192 | // demand and then forever delegates to it after creation. |
| 193 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 194 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 195 | // Used when the builder is null. |
| 196 | "private $type$ $name$_ = $type$.getDefaultInstance();\n"); |
| 197 | |
| 198 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 199 | printer->Print(variables_, |
| 200 | // If this builder is non-null, it is used and the other fields are |
| 201 | // ignored. |
| 202 | "private com.google.protobuf.SingleFieldBuilder<\n" |
| 203 | " $type$, $type$.Builder, $type$OrBuilder> $name$Builder_;" |
| 204 | "\n"); |
| 205 | } |
| 206 | |
| 207 | // The comments above the methods below are based on a hypothetical |
| 208 | // field of type "Field" called "Field". |
| 209 | |
| 210 | // boolean hasField() |
| 211 | printer->Print(variables_, |
| 212 | "$deprecation$public boolean has$capitalized_name$() {\n" |
| 213 | " return $get_has_field_bit_builder$;\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 214 | "}\n"); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 215 | |
| 216 | // Field getField() |
| 217 | PrintNestedBuilderFunction(printer, |
| 218 | "$deprecation$public $type$ get$capitalized_name$()", |
| 219 | |
| 220 | "return $name$_;\n", |
| 221 | |
| 222 | "return $name$Builder_.getMessage();\n", |
| 223 | |
| 224 | NULL); |
| 225 | |
| 226 | // Field.Builder setField(Field value) |
| 227 | PrintNestedBuilderFunction(printer, |
| 228 | "$deprecation$public Builder set$capitalized_name$($type$ value)", |
| 229 | |
| 230 | "if (value == null) {\n" |
| 231 | " throw new NullPointerException();\n" |
| 232 | "}\n" |
| 233 | "$name$_ = value;\n" |
| 234 | "$on_changed$\n", |
| 235 | |
| 236 | "$name$Builder_.setMessage(value);\n", |
| 237 | |
| 238 | "$set_has_field_bit_builder$;\n" |
| 239 | "return this;\n"); |
| 240 | |
| 241 | // Field.Builder setField(Field.Builder builderForValue) |
| 242 | PrintNestedBuilderFunction(printer, |
| 243 | "$deprecation$public Builder set$capitalized_name$(\n" |
| 244 | " $type$.Builder builderForValue)", |
| 245 | |
| 246 | "$name$_ = builderForValue.build();\n" |
| 247 | "$on_changed$\n", |
| 248 | |
| 249 | "$name$Builder_.setMessage(builderForValue.build());\n", |
| 250 | |
| 251 | "$set_has_field_bit_builder$;\n" |
| 252 | "return this;\n"); |
| 253 | |
| 254 | // Field.Builder mergeField(Field value) |
| 255 | PrintNestedBuilderFunction(printer, |
| 256 | "$deprecation$public Builder merge$capitalized_name$($type$ value)", |
| 257 | |
| 258 | "if ($get_has_field_bit_builder$ &&\n" |
| 259 | " $name$_ != $type$.getDefaultInstance()) {\n" |
| 260 | " $name$_ =\n" |
| 261 | " $type$.newBuilder($name$_).mergeFrom(value).buildPartial();\n" |
| 262 | "} else {\n" |
| 263 | " $name$_ = value;\n" |
| 264 | "}\n" |
| 265 | "$on_changed$\n", |
| 266 | |
| 267 | "$name$Builder_.mergeFrom(value);\n", |
| 268 | |
| 269 | "$set_has_field_bit_builder$;\n" |
| 270 | "return this;\n"); |
| 271 | |
| 272 | // Field.Builder clearField() |
| 273 | PrintNestedBuilderFunction(printer, |
| 274 | "$deprecation$public Builder clear$capitalized_name$()", |
| 275 | |
| 276 | "$name$_ = $type$.getDefaultInstance();\n" |
| 277 | "$on_changed$\n", |
| 278 | |
| 279 | "$name$Builder_.clear();\n", |
| 280 | |
| 281 | "$clear_has_field_bit_builder$;\n" |
| 282 | "return this;\n"); |
| 283 | |
| 284 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 285 | printer->Print(variables_, |
| 286 | "$deprecation$public $type$.Builder get$capitalized_name$Builder() {\n" |
| 287 | " $set_has_field_bit_builder$;\n" |
| 288 | " $on_changed$\n" |
| 289 | " return get$capitalized_name$FieldBuilder().getBuilder();\n" |
| 290 | "}\n" |
| 291 | "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder() {\n" |
| 292 | " if ($name$Builder_ != null) {\n" |
| 293 | " return $name$Builder_.getMessageOrBuilder();\n" |
| 294 | " } else {\n" |
| 295 | " return $name$_;\n" |
| 296 | " }\n" |
| 297 | "}\n" |
| 298 | "private com.google.protobuf.SingleFieldBuilder<\n" |
| 299 | " $type$, $type$.Builder, $type$OrBuilder> \n" |
| 300 | " get$capitalized_name$FieldBuilder() {\n" |
| 301 | " if ($name$Builder_ == null) {\n" |
| 302 | " $name$Builder_ = new com.google.protobuf.SingleFieldBuilder<\n" |
| 303 | " $type$, $type$.Builder, $type$OrBuilder>(\n" |
| 304 | " $name$_,\n" |
| 305 | " getParentForChildren(),\n" |
| 306 | " isClean());\n" |
| 307 | " $name$_ = null;\n" |
| 308 | " }\n" |
| 309 | " return $name$Builder_;\n" |
| 310 | "}\n"); |
| 311 | } |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | void MessageFieldGenerator:: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 315 | GenerateFieldBuilderInitializationCode(io::Printer* printer) const { |
| 316 | printer->Print(variables_, |
| 317 | "get$capitalized_name$FieldBuilder();\n"); |
| 318 | } |
| 319 | |
| 320 | |
| 321 | void MessageFieldGenerator:: |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 322 | GenerateInitializationCode(io::Printer* printer) const { |
| 323 | printer->Print(variables_, "$name$_ = $type$.getDefaultInstance();\n"); |
| 324 | } |
| 325 | |
| 326 | void MessageFieldGenerator:: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 327 | GenerateBuilderClearCode(io::Printer* printer) const { |
| 328 | PrintNestedBuilderCondition(printer, |
| 329 | "$name$_ = $type$.getDefaultInstance();\n", |
| 330 | |
| 331 | "$name$Builder_.clear();\n"); |
| 332 | printer->Print(variables_, "$clear_has_field_bit_builder$;\n"); |
| 333 | } |
| 334 | |
| 335 | void MessageFieldGenerator:: |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 336 | GenerateMergingCode(io::Printer* printer) const { |
| 337 | printer->Print(variables_, |
| 338 | "if (other.has$capitalized_name$()) {\n" |
| 339 | " merge$capitalized_name$(other.get$capitalized_name$());\n" |
| 340 | "}\n"); |
| 341 | } |
| 342 | |
| 343 | void MessageFieldGenerator:: |
| 344 | GenerateBuildingCode(io::Printer* printer) const { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 345 | |
| 346 | printer->Print(variables_, |
| 347 | "if ($get_has_field_bit_from_local$) {\n" |
| 348 | " $set_has_field_bit_to_local$;\n" |
| 349 | "}\n"); |
| 350 | |
| 351 | PrintNestedBuilderCondition(printer, |
| 352 | "result.$name$_ = $name$_;\n", |
| 353 | |
| 354 | "result.$name$_ = $name$Builder_.build();\n"); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 355 | } |
| 356 | |
| 357 | void MessageFieldGenerator:: |
| 358 | GenerateParsingCode(io::Printer* printer) const { |
| 359 | printer->Print(variables_, |
| 360 | "$type$.Builder subBuilder = $type$.newBuilder();\n" |
| 361 | "if (has$capitalized_name$()) {\n" |
| 362 | " subBuilder.mergeFrom(get$capitalized_name$());\n" |
| 363 | "}\n"); |
| 364 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 365 | if (GetType(descriptor_) == FieldDescriptor::TYPE_GROUP) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 366 | printer->Print(variables_, |
| 367 | "input.readGroup($number$, subBuilder, extensionRegistry);\n"); |
| 368 | } else { |
| 369 | printer->Print(variables_, |
| 370 | "input.readMessage(subBuilder, extensionRegistry);\n"); |
| 371 | } |
| 372 | |
| 373 | printer->Print(variables_, |
| 374 | "set$capitalized_name$(subBuilder.buildPartial());\n"); |
| 375 | } |
| 376 | |
| 377 | void MessageFieldGenerator:: |
| 378 | GenerateSerializationCode(io::Printer* printer) const { |
| 379 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 380 | "if ($get_has_field_bit_message$) {\n" |
| 381 | " output.write$group_or_message$($number$, $name$_);\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 382 | "}\n"); |
| 383 | } |
| 384 | |
| 385 | void MessageFieldGenerator:: |
| 386 | GenerateSerializedSizeCode(io::Printer* printer) const { |
| 387 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 388 | "if ($get_has_field_bit_message$) {\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 389 | " size += com.google.protobuf.CodedOutputStream\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 390 | " .compute$group_or_message$Size($number$, $name$_);\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 391 | "}\n"); |
| 392 | } |
| 393 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 394 | void MessageFieldGenerator:: |
| 395 | GenerateEqualsCode(io::Printer* printer) const { |
| 396 | printer->Print(variables_, |
| 397 | "result = result && get$capitalized_name$()\n" |
| 398 | " .equals(other.get$capitalized_name$());\n"); |
| 399 | } |
| 400 | |
| 401 | void MessageFieldGenerator:: |
| 402 | GenerateHashCode(io::Printer* printer) const { |
| 403 | printer->Print(variables_, |
| 404 | "hash = (37 * hash) + $constant_name$;\n" |
| 405 | "hash = (53 * hash) + get$capitalized_name$().hashCode();\n"); |
| 406 | } |
| 407 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 408 | string MessageFieldGenerator::GetBoxedType() const { |
| 409 | return ClassName(descriptor_->message_type()); |
| 410 | } |
| 411 | |
| 412 | // =================================================================== |
| 413 | |
| 414 | RepeatedMessageFieldGenerator:: |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 415 | RepeatedMessageFieldGenerator(const FieldDescriptor* descriptor, |
| 416 | int messageBitIndex, |
| 417 | int builderBitIndex) |
| 418 | : descriptor_(descriptor), messageBitIndex_(messageBitIndex), |
| 419 | builderBitIndex_(builderBitIndex) { |
| 420 | SetMessageVariables(descriptor, messageBitIndex, builderBitIndex, |
| 421 | &variables_); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 422 | } |
| 423 | |
| 424 | RepeatedMessageFieldGenerator::~RepeatedMessageFieldGenerator() {} |
| 425 | |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 426 | int RepeatedMessageFieldGenerator::GetNumBitsForMessage() const { |
| 427 | return 0; |
| 428 | } |
| 429 | |
| 430 | int RepeatedMessageFieldGenerator::GetNumBitsForBuilder() const { |
| 431 | return 1; |
| 432 | } |
| 433 | |
| 434 | void RepeatedMessageFieldGenerator:: |
| 435 | GenerateInterfaceMembers(io::Printer* printer) const { |
| 436 | // TODO(jonp): In the future, consider having methods specific to the |
| 437 | // interface so that builders can choose dynamically to either return a |
| 438 | // message or a nested builder, so that asking for the interface doesn't |
| 439 | // cause a message to ever be built. |
| 440 | printer->Print(variables_, |
| 441 | "$deprecation$java.util.List<$type$> \n" |
| 442 | " get$capitalized_name$List();\n" |
| 443 | "$deprecation$$type$ get$capitalized_name$(int index);\n" |
| 444 | "$deprecation$int get$capitalized_name$Count();\n"); |
| 445 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 446 | printer->Print(variables_, |
| 447 | "$deprecation$java.util.List<? extends $type$OrBuilder> \n" |
| 448 | " get$capitalized_name$OrBuilderList();\n" |
| 449 | "$deprecation$$type$OrBuilder get$capitalized_name$OrBuilder(\n" |
| 450 | " int index);\n"); |
| 451 | } |
| 452 | } |
| 453 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 454 | void RepeatedMessageFieldGenerator:: |
| 455 | GenerateMembers(io::Printer* printer) const { |
| 456 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 457 | "private java.util.List<$type$> $name$_;\n" |
| 458 | "$deprecation$public java.util.List<$type$> get$capitalized_name$List() {\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 459 | " return $name$_;\n" // note: unmodifiable list |
| 460 | "}\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 461 | "$deprecation$public java.util.List<? extends $type$OrBuilder> \n" |
| 462 | " get$capitalized_name$OrBuilderList() {\n" |
| 463 | " return $name$_;\n" |
| 464 | "}\n" |
| 465 | "$deprecation$public int get$capitalized_name$Count() {\n" |
| 466 | " return $name$_.size();\n" |
| 467 | "}\n" |
| 468 | "$deprecation$public $type$ get$capitalized_name$(int index) {\n" |
| 469 | " return $name$_.get(index);\n" |
| 470 | "}\n" |
| 471 | "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder(\n" |
| 472 | " int index) {\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 473 | " return $name$_.get(index);\n" |
| 474 | "}\n"); |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 475 | |
| 476 | } |
| 477 | |
| 478 | void RepeatedMessageFieldGenerator::PrintNestedBuilderCondition( |
| 479 | io::Printer* printer, |
| 480 | const char* regular_case, |
| 481 | const char* nested_builder_case) const { |
| 482 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 483 | printer->Print(variables_, "if ($name$Builder_ == null) {\n"); |
| 484 | printer->Indent(); |
| 485 | printer->Print(variables_, regular_case); |
| 486 | printer->Outdent(); |
| 487 | printer->Print("} else {\n"); |
| 488 | printer->Indent(); |
| 489 | printer->Print(variables_, nested_builder_case); |
| 490 | printer->Outdent(); |
| 491 | printer->Print("}\n"); |
| 492 | } else { |
| 493 | printer->Print(variables_, regular_case); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | void RepeatedMessageFieldGenerator::PrintNestedBuilderFunction( |
| 498 | io::Printer* printer, |
| 499 | const char* method_prototype, |
| 500 | const char* regular_case, |
| 501 | const char* nested_builder_case, |
| 502 | const char* trailing_code) const { |
| 503 | printer->Print(variables_, method_prototype); |
| 504 | printer->Print(" {\n"); |
| 505 | printer->Indent(); |
| 506 | PrintNestedBuilderCondition(printer, regular_case, nested_builder_case); |
| 507 | if (trailing_code != NULL) { |
| 508 | printer->Print(variables_, trailing_code); |
| 509 | } |
| 510 | printer->Outdent(); |
| 511 | printer->Print("}\n"); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | void RepeatedMessageFieldGenerator:: |
| 515 | GenerateBuilderMembers(io::Printer* printer) const { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 516 | // When using nested-builders, the code initially works just like the |
| 517 | // non-nested builder case. It only creates a nested builder lazily on |
| 518 | // demand and then forever delegates to it after creation. |
| 519 | |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 520 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 521 | // Used when the builder is null. |
| 522 | // One field is the list and the other field keeps track of whether the |
| 523 | // list is immutable. If it's immutable, the invariant is that it must |
| 524 | // either an instance of Collections.emptyList() or it's an ArrayList |
| 525 | // wrapped in a Collections.unmodifiableList() wrapper and nobody else has |
| 526 | // a refererence to the underlying ArrayList. This invariant allows us to |
| 527 | // share instances of lists between protocol buffers avoiding expensive |
| 528 | // memory allocations. Note, immutable is a strong guarantee here -- not |
| 529 | // just that the list cannot be modified via the reference but that the |
| 530 | // list can never be modified. |
| 531 | "private java.util.List<$type$> $name$_ =\n" |
| 532 | " java.util.Collections.emptyList();\n" |
| 533 | |
| 534 | "private void ensure$capitalized_name$IsMutable() {\n" |
| 535 | " if (!$get_mutable_bit_builder$) {\n" |
| 536 | " $name$_ = new java.util.ArrayList<$type$>($name$_);\n" |
| 537 | " $set_mutable_bit_builder$;\n" |
| 538 | " }\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 539 | "}\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 540 | "\n"); |
| 541 | |
| 542 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 543 | printer->Print(variables_, |
| 544 | // If this builder is non-null, it is used and the other fields are |
| 545 | // ignored. |
| 546 | "private com.google.protobuf.RepeatedFieldBuilder<\n" |
| 547 | " $type$, $type$.Builder, $type$OrBuilder> $name$Builder_;\n" |
| 548 | "\n"); |
| 549 | } |
| 550 | |
| 551 | // The comments above the methods below are based on a hypothetical |
| 552 | // repeated field of type "Field" called "RepeatedField". |
| 553 | |
| 554 | // List<Field> getRepeatedFieldList() |
| 555 | PrintNestedBuilderFunction(printer, |
| 556 | "$deprecation$public java.util.List<$type$> get$capitalized_name$List()", |
| 557 | |
| 558 | "return java.util.Collections.unmodifiableList($name$_);\n", |
| 559 | "return $name$Builder_.getMessageList();\n", |
| 560 | |
| 561 | NULL); |
| 562 | |
| 563 | // int getRepeatedFieldCount() |
| 564 | PrintNestedBuilderFunction(printer, |
| 565 | "$deprecation$public int get$capitalized_name$Count()", |
| 566 | |
| 567 | "return $name$_.size();\n", |
| 568 | "return $name$Builder_.getCount();\n", |
| 569 | |
| 570 | NULL); |
| 571 | |
| 572 | // Field getRepeatedField(int index) |
| 573 | PrintNestedBuilderFunction(printer, |
| 574 | "$deprecation$public $type$ get$capitalized_name$(int index)", |
| 575 | |
| 576 | "return $name$_.get(index);\n", |
| 577 | |
| 578 | "return $name$Builder_.getMessage(index);\n", |
| 579 | |
| 580 | NULL); |
| 581 | |
| 582 | // Builder setRepeatedField(int index, Field value) |
| 583 | PrintNestedBuilderFunction(printer, |
| 584 | "$deprecation$public Builder set$capitalized_name$(\n" |
| 585 | " int index, $type$ value)", |
| 586 | "if (value == null) {\n" |
| 587 | " throw new NullPointerException();\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 588 | "}\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 589 | "ensure$capitalized_name$IsMutable();\n" |
| 590 | "$name$_.set(index, value);\n" |
| 591 | "$on_changed$\n", |
| 592 | "$name$Builder_.setMessage(index, value);\n", |
| 593 | "return this;\n"); |
| 594 | |
| 595 | // Builder setRepeatedField(int index, Field.Builder builderForValue) |
| 596 | PrintNestedBuilderFunction(printer, |
| 597 | "$deprecation$public Builder set$capitalized_name$(\n" |
| 598 | " int index, $type$.Builder builderForValue)", |
| 599 | |
| 600 | "ensure$capitalized_name$IsMutable();\n" |
| 601 | "$name$_.set(index, builderForValue.build());\n" |
| 602 | "$on_changed$\n", |
| 603 | |
| 604 | "$name$Builder_.setMessage(index, builderForValue.build());\n", |
| 605 | |
| 606 | "return this;\n"); |
| 607 | |
| 608 | // Builder addRepeatedField(Field value) |
| 609 | PrintNestedBuilderFunction(printer, |
| 610 | "$deprecation$public Builder add$capitalized_name$($type$ value)", |
| 611 | |
| 612 | "if (value == null) {\n" |
| 613 | " throw new NullPointerException();\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 614 | "}\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 615 | "ensure$capitalized_name$IsMutable();\n" |
| 616 | "$name$_.add(value);\n" |
| 617 | |
| 618 | "$on_changed$\n", |
| 619 | |
| 620 | "$name$Builder_.addMessage(value);\n", |
| 621 | |
| 622 | "return this;\n"); |
| 623 | |
| 624 | // Builder addRepeatedField(int index, Field value) |
| 625 | PrintNestedBuilderFunction(printer, |
| 626 | "$deprecation$public Builder add$capitalized_name$(\n" |
| 627 | " int index, $type$ value)", |
| 628 | |
| 629 | "if (value == null) {\n" |
| 630 | " throw new NullPointerException();\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 631 | "}\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 632 | "ensure$capitalized_name$IsMutable();\n" |
| 633 | "$name$_.add(index, value);\n" |
| 634 | "$on_changed$\n", |
| 635 | |
| 636 | "$name$Builder_.addMessage(index, value);\n", |
| 637 | |
| 638 | "return this;\n"); |
| 639 | |
| 640 | // Builder addRepeatedField(Field.Builder builderForValue) |
| 641 | PrintNestedBuilderFunction(printer, |
| 642 | "$deprecation$public Builder add$capitalized_name$(\n" |
| 643 | " $type$.Builder builderForValue)", |
| 644 | |
| 645 | "ensure$capitalized_name$IsMutable();\n" |
| 646 | "$name$_.add(builderForValue.build());\n" |
| 647 | "$on_changed$\n", |
| 648 | |
| 649 | "$name$Builder_.addMessage(builderForValue.build());\n", |
| 650 | |
| 651 | "return this;\n"); |
| 652 | |
| 653 | // Builder addRepeatedField(int index, Field.Builder builderForValue) |
| 654 | PrintNestedBuilderFunction(printer, |
| 655 | "$deprecation$public Builder add$capitalized_name$(\n" |
| 656 | " int index, $type$.Builder builderForValue)", |
| 657 | |
| 658 | "ensure$capitalized_name$IsMutable();\n" |
| 659 | "$name$_.add(index, builderForValue.build());\n" |
| 660 | "$on_changed$\n", |
| 661 | |
| 662 | "$name$Builder_.addMessage(index, builderForValue.build());\n", |
| 663 | |
| 664 | "return this;\n"); |
| 665 | |
| 666 | // Builder addAllRepeatedField(Iterable<Field> values) |
| 667 | PrintNestedBuilderFunction(printer, |
| 668 | "$deprecation$public Builder addAll$capitalized_name$(\n" |
| 669 | " java.lang.Iterable<? extends $type$> values)", |
| 670 | |
| 671 | "ensure$capitalized_name$IsMutable();\n" |
| 672 | "super.addAll(values, $name$_);\n" |
| 673 | "$on_changed$\n", |
| 674 | |
| 675 | "$name$Builder_.addAllMessages(values);\n", |
| 676 | |
| 677 | "return this;\n"); |
| 678 | |
| 679 | // Builder clearAllRepeatedField() |
| 680 | PrintNestedBuilderFunction(printer, |
| 681 | "$deprecation$public Builder clear$capitalized_name$()", |
| 682 | |
| 683 | "$name$_ = java.util.Collections.emptyList();\n" |
| 684 | "$clear_mutable_bit_builder$;\n" |
| 685 | "$on_changed$\n", |
| 686 | |
| 687 | "$name$Builder_.clear();\n", |
| 688 | |
| 689 | "return this;\n"); |
| 690 | |
| 691 | // Builder removeRepeatedField(int index) |
| 692 | PrintNestedBuilderFunction(printer, |
| 693 | "$deprecation$public Builder remove$capitalized_name$(int index)", |
| 694 | |
| 695 | "ensure$capitalized_name$IsMutable();\n" |
| 696 | "$name$_.remove(index);\n" |
| 697 | "$on_changed$\n", |
| 698 | |
| 699 | "$name$Builder_.remove(index);\n", |
| 700 | |
| 701 | "return this;\n"); |
| 702 | |
| 703 | if (HasNestedBuilders(descriptor_->containing_type())) { |
| 704 | printer->Print(variables_, |
| 705 | "$deprecation$public $type$.Builder get$capitalized_name$Builder(\n" |
| 706 | " int index) {\n" |
| 707 | " return get$capitalized_name$FieldBuilder().getBuilder(index);\n" |
| 708 | "}\n" |
| 709 | |
| 710 | "$deprecation$public $type$OrBuilder get$capitalized_name$OrBuilder(\n" |
| 711 | " int index) {\n" |
| 712 | " if ($name$Builder_ == null) {\n" |
| 713 | " return $name$_.get(index);" |
| 714 | " } else {\n" |
| 715 | " return $name$Builder_.getMessageOrBuilder(index);\n" |
| 716 | " }\n" |
| 717 | "}\n" |
| 718 | |
| 719 | "$deprecation$public java.util.List<? extends $type$OrBuilder> \n" |
| 720 | " get$capitalized_name$OrBuilderList() {\n" |
| 721 | " if ($name$Builder_ != null) {\n" |
| 722 | " return $name$Builder_.getMessageOrBuilderList();\n" |
| 723 | " } else {\n" |
| 724 | " return java.util.Collections.unmodifiableList($name$_);\n" |
| 725 | " }\n" |
| 726 | "}\n" |
| 727 | |
| 728 | "$deprecation$public $type$.Builder add$capitalized_name$Builder() {\n" |
| 729 | " return get$capitalized_name$FieldBuilder().addBuilder(\n" |
| 730 | " $type$.getDefaultInstance());\n" |
| 731 | "}\n" |
| 732 | "$deprecation$public $type$.Builder add$capitalized_name$Builder(\n" |
| 733 | " int index) {\n" |
| 734 | " return get$capitalized_name$FieldBuilder().addBuilder(\n" |
| 735 | " index, $type$.getDefaultInstance());\n" |
| 736 | "}\n" |
| 737 | "$deprecation$public java.util.List<$type$.Builder> \n" |
| 738 | " get$capitalized_name$BuilderList() {\n" |
| 739 | " return get$capitalized_name$FieldBuilder().getBuilderList();\n" |
| 740 | "}\n" |
| 741 | "private com.google.protobuf.RepeatedFieldBuilder<\n" |
| 742 | " $type$, $type$.Builder, $type$OrBuilder> \n" |
| 743 | " get$capitalized_name$FieldBuilder() {\n" |
| 744 | " if ($name$Builder_ == null) {\n" |
| 745 | " $name$Builder_ = new com.google.protobuf.RepeatedFieldBuilder<\n" |
| 746 | " $type$, $type$.Builder, $type$OrBuilder>(\n" |
| 747 | " $name$_,\n" |
| 748 | " $get_mutable_bit_builder$,\n" |
| 749 | " getParentForChildren(),\n" |
| 750 | " isClean());\n" |
| 751 | " $name$_ = null;\n" |
| 752 | " }\n" |
| 753 | " return $name$Builder_;\n" |
| 754 | "}\n"); |
| 755 | } |
| 756 | } |
| 757 | |
| 758 | void RepeatedMessageFieldGenerator:: |
| 759 | GenerateFieldBuilderInitializationCode(io::Printer* printer) const { |
| 760 | printer->Print(variables_, |
| 761 | "get$capitalized_name$FieldBuilder();\n"); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 762 | } |
| 763 | |
| 764 | void RepeatedMessageFieldGenerator:: |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 765 | GenerateInitializationCode(io::Printer* printer) const { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 766 | printer->Print(variables_, "$name$_ = java.util.Collections.emptyList();\n"); |
| 767 | } |
| 768 | |
| 769 | void RepeatedMessageFieldGenerator:: |
| 770 | GenerateBuilderClearCode(io::Printer* printer) const { |
| 771 | PrintNestedBuilderCondition(printer, |
| 772 | "$name$_ = java.util.Collections.emptyList();\n" |
| 773 | "$clear_mutable_bit_builder$;\n", |
| 774 | |
| 775 | "$name$Builder_.clear();\n"); |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 776 | } |
| 777 | |
| 778 | void RepeatedMessageFieldGenerator:: |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 779 | GenerateMergingCode(io::Printer* printer) const { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 780 | // The code below does two optimizations (non-nested builder case): |
| 781 | // 1. If the other list is empty, there's nothing to do. This ensures we |
| 782 | // don't allocate a new array if we already have an immutable one. |
| 783 | // 2. If the other list is non-empty and our current list is empty, we can |
| 784 | // reuse the other list which is guaranteed to be immutable. |
| 785 | PrintNestedBuilderCondition(printer, |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 786 | "if (!other.$name$_.isEmpty()) {\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 787 | " if ($name$_.isEmpty()) {\n" |
| 788 | " $name$_ = other.$name$_;\n" |
| 789 | " $clear_mutable_bit_builder$;\n" |
| 790 | " } else {\n" |
| 791 | " ensure$capitalized_name$IsMutable();\n" |
| 792 | " $name$_.addAll(other.$name$_);\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 793 | " }\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 794 | " $on_changed$\n" |
| 795 | "}\n", |
| 796 | |
| 797 | "if (!other.$name$_.isEmpty()) {\n" |
| 798 | " if ($name$Builder_.isEmpty()) {\n" |
| 799 | " $name$Builder_.dispose();\n" |
| 800 | " $name$Builder_ = null;\n" |
| 801 | " $name$_ = other.$name$_;\n" |
| 802 | " $clear_mutable_bit_builder$;\n" |
| 803 | " $name$Builder_ = \n" |
| 804 | " com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders ?\n" |
| 805 | " get$capitalized_name$FieldBuilder() : null;\n" |
| 806 | " } else {\n" |
| 807 | " $name$Builder_.addAllMessages(other.$name$_);\n" |
| 808 | " }\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 809 | "}\n"); |
| 810 | } |
| 811 | |
| 812 | void RepeatedMessageFieldGenerator:: |
| 813 | GenerateBuildingCode(io::Printer* printer) const { |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 814 | // The code below (non-nested builder case) ensures that the result has an |
| 815 | // immutable list. If our list is immutable, we can just reuse it. If not, |
| 816 | // we make it immutable. |
| 817 | PrintNestedBuilderCondition(printer, |
| 818 | "if ($get_mutable_bit_builder$) {\n" |
| 819 | " $name$_ = java.util.Collections.unmodifiableList($name$_);\n" |
| 820 | " $clear_mutable_bit_builder$;\n" |
| 821 | "}\n" |
| 822 | "result.$name$_ = $name$_;\n", |
| 823 | |
| 824 | "result.$name$_ = $name$Builder_.build();\n"); |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 825 | } |
| 826 | |
| 827 | void RepeatedMessageFieldGenerator:: |
| 828 | GenerateParsingCode(io::Printer* printer) const { |
| 829 | printer->Print(variables_, |
| 830 | "$type$.Builder subBuilder = $type$.newBuilder();\n"); |
| 831 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 832 | if (GetType(descriptor_) == FieldDescriptor::TYPE_GROUP) { |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 833 | printer->Print(variables_, |
| 834 | "input.readGroup($number$, subBuilder, extensionRegistry);\n"); |
| 835 | } else { |
| 836 | printer->Print(variables_, |
| 837 | "input.readMessage(subBuilder, extensionRegistry);\n"); |
| 838 | } |
| 839 | |
| 840 | printer->Print(variables_, |
| 841 | "add$capitalized_name$(subBuilder.buildPartial());\n"); |
| 842 | } |
| 843 | |
| 844 | void RepeatedMessageFieldGenerator:: |
| 845 | GenerateSerializationCode(io::Printer* printer) const { |
| 846 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 847 | "for (int i = 0; i < $name$_.size(); i++) {\n" |
| 848 | " output.write$group_or_message$($number$, $name$_.get(i));\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 849 | "}\n"); |
| 850 | } |
| 851 | |
| 852 | void RepeatedMessageFieldGenerator:: |
| 853 | GenerateSerializedSizeCode(io::Printer* printer) const { |
| 854 | printer->Print(variables_, |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 855 | "for (int i = 0; i < $name$_.size(); i++) {\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 856 | " size += com.google.protobuf.CodedOutputStream\n" |
liujisi@google.com | 33165fe | 2010-11-02 13:14:58 +0000 | [diff] [blame^] | 857 | " .compute$group_or_message$Size($number$, $name$_.get(i));\n" |
| 858 | "}\n"); |
| 859 | } |
| 860 | |
| 861 | void RepeatedMessageFieldGenerator:: |
| 862 | GenerateEqualsCode(io::Printer* printer) const { |
| 863 | printer->Print(variables_, |
| 864 | "result = result && get$capitalized_name$List()\n" |
| 865 | " .equals(other.get$capitalized_name$List());\n"); |
| 866 | } |
| 867 | |
| 868 | void RepeatedMessageFieldGenerator:: |
| 869 | GenerateHashCode(io::Printer* printer) const { |
| 870 | printer->Print(variables_, |
| 871 | "if (get$capitalized_name$Count() > 0) {\n" |
| 872 | " hash = (37 * hash) + $constant_name$;\n" |
| 873 | " hash = (53 * hash) + get$capitalized_name$List().hashCode();\n" |
temporal | 40ee551 | 2008-07-10 02:12:20 +0000 | [diff] [blame] | 874 | "}\n"); |
| 875 | } |
| 876 | |
| 877 | string RepeatedMessageFieldGenerator::GetBoxedType() const { |
| 878 | return ClassName(descriptor_->message_type()); |
| 879 | } |
| 880 | |
| 881 | } // namespace java |
| 882 | } // namespace compiler |
| 883 | } // namespace protobuf |
| 884 | } // namespace google |