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      1 // Protocol Buffers - Google's data interchange format
      2 // Copyright 2008 Google Inc.  All rights reserved.
      3 // http://code.google.com/p/protobuf/
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions are
      7 // met:
      8 //
      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.
     18 //
     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.
     30 
     31 // Author: kenton (at) 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/javamicro/javamicro_primitive_field.h>
     39 #include <google/protobuf/stubs/common.h>
     40 #include <google/protobuf/compiler/javamicro/javamicro_helpers.h>
     41 #include <google/protobuf/io/printer.h>
     42 #include <google/protobuf/wire_format.h>
     43 #include <google/protobuf/stubs/strutil.h>
     44 
     45 namespace google {
     46 namespace protobuf {
     47 namespace compiler {
     48 namespace javamicro {
     49 
     50 using internal::WireFormat;
     51 using internal::WireFormatLite;
     52 
     53 namespace {
     54 
     55 const char* PrimitiveTypeName(JavaType type) {
     56   switch (type) {
     57     case JAVATYPE_INT    : return "int";
     58     case JAVATYPE_LONG   : return "long";
     59     case JAVATYPE_FLOAT  : return "float";
     60     case JAVATYPE_DOUBLE : return "double";
     61     case JAVATYPE_BOOLEAN: return "boolean";
     62     case JAVATYPE_STRING : return "java.lang.String";
     63     case JAVATYPE_BYTES  : return "com.google.protobuf.micro.ByteStringMicro";
     64     case JAVATYPE_ENUM   : return NULL;
     65     case JAVATYPE_MESSAGE: return NULL;
     66 
     67     // No default because we want the compiler to complain if any new
     68     // JavaTypes are added.
     69   }
     70 
     71   GOOGLE_LOG(FATAL) << "Can't get here.";
     72   return NULL;
     73 }
     74 
     75 bool IsReferenceType(JavaType type) {
     76   switch (type) {
     77     case JAVATYPE_INT    : return false;
     78     case JAVATYPE_LONG   : return false;
     79     case JAVATYPE_FLOAT  : return false;
     80     case JAVATYPE_DOUBLE : return false;
     81     case JAVATYPE_BOOLEAN: return false;
     82     case JAVATYPE_STRING : return true;
     83     case JAVATYPE_BYTES  : return true;
     84     case JAVATYPE_ENUM   : return false;
     85     case JAVATYPE_MESSAGE: return true;
     86 
     87     // No default because we want the compiler to complain if any new
     88     // JavaTypes are added.
     89   }
     90 
     91   GOOGLE_LOG(FATAL) << "Can't get here.";
     92   return false;
     93 }
     94 
     95 const char* GetCapitalizedType(const FieldDescriptor* field) {
     96   switch (field->type()) {
     97     case FieldDescriptor::TYPE_INT32   : return "Int32"   ;
     98     case FieldDescriptor::TYPE_UINT32  : return "UInt32"  ;
     99     case FieldDescriptor::TYPE_SINT32  : return "SInt32"  ;
    100     case FieldDescriptor::TYPE_FIXED32 : return "Fixed32" ;
    101     case FieldDescriptor::TYPE_SFIXED32: return "SFixed32";
    102     case FieldDescriptor::TYPE_INT64   : return "Int64"   ;
    103     case FieldDescriptor::TYPE_UINT64  : return "UInt64"  ;
    104     case FieldDescriptor::TYPE_SINT64  : return "SInt64"  ;
    105     case FieldDescriptor::TYPE_FIXED64 : return "Fixed64" ;
    106     case FieldDescriptor::TYPE_SFIXED64: return "SFixed64";
    107     case FieldDescriptor::TYPE_FLOAT   : return "Float"   ;
    108     case FieldDescriptor::TYPE_DOUBLE  : return "Double"  ;
    109     case FieldDescriptor::TYPE_BOOL    : return "Bool"    ;
    110     case FieldDescriptor::TYPE_STRING  : return "String"  ;
    111     case FieldDescriptor::TYPE_BYTES   : return "Bytes"   ;
    112     case FieldDescriptor::TYPE_ENUM    : return "Enum"    ;
    113     case FieldDescriptor::TYPE_GROUP   : return "Group"   ;
    114     case FieldDescriptor::TYPE_MESSAGE : return "Message" ;
    115 
    116     // No default because we want the compiler to complain if any new
    117     // types are added.
    118   }
    119 
    120   GOOGLE_LOG(FATAL) << "Can't get here.";
    121   return NULL;
    122 }
    123 
    124 // For encodings with fixed sizes, returns that size in bytes.  Otherwise
    125 // returns -1.
    126 int FixedSize(FieldDescriptor::Type type) {
    127   switch (type) {
    128     case FieldDescriptor::TYPE_INT32   : return -1;
    129     case FieldDescriptor::TYPE_INT64   : return -1;
    130     case FieldDescriptor::TYPE_UINT32  : return -1;
    131     case FieldDescriptor::TYPE_UINT64  : return -1;
    132     case FieldDescriptor::TYPE_SINT32  : return -1;
    133     case FieldDescriptor::TYPE_SINT64  : return -1;
    134     case FieldDescriptor::TYPE_FIXED32 : return WireFormatLite::kFixed32Size;
    135     case FieldDescriptor::TYPE_FIXED64 : return WireFormatLite::kFixed64Size;
    136     case FieldDescriptor::TYPE_SFIXED32: return WireFormatLite::kSFixed32Size;
    137     case FieldDescriptor::TYPE_SFIXED64: return WireFormatLite::kSFixed64Size;
    138     case FieldDescriptor::TYPE_FLOAT   : return WireFormatLite::kFloatSize;
    139     case FieldDescriptor::TYPE_DOUBLE  : return WireFormatLite::kDoubleSize;
    140 
    141     case FieldDescriptor::TYPE_BOOL    : return WireFormatLite::kBoolSize;
    142     case FieldDescriptor::TYPE_ENUM    : return -1;
    143 
    144     case FieldDescriptor::TYPE_STRING  : return -1;
    145     case FieldDescriptor::TYPE_BYTES   : return -1;
    146     case FieldDescriptor::TYPE_GROUP   : return -1;
    147     case FieldDescriptor::TYPE_MESSAGE : return -1;
    148 
    149     // No default because we want the compiler to complain if any new
    150     // types are added.
    151   }
    152   GOOGLE_LOG(FATAL) << "Can't get here.";
    153   return -1;
    154 }
    155 
    156 // Return true if the type is a that has variable length
    157 // for instance String's.
    158 bool IsVariableLenType(JavaType type) {
    159   switch (type) {
    160     case JAVATYPE_INT    : return false;
    161     case JAVATYPE_LONG   : return false;
    162     case JAVATYPE_FLOAT  : return false;
    163     case JAVATYPE_DOUBLE : return false;
    164     case JAVATYPE_BOOLEAN: return false;
    165     case JAVATYPE_STRING : return true;
    166     case JAVATYPE_BYTES  : return true;
    167     case JAVATYPE_ENUM   : return false;
    168     case JAVATYPE_MESSAGE: return true;
    169 
    170     // No default because we want the compiler to complain if any new
    171     // JavaTypes are added.
    172   }
    173 
    174   GOOGLE_LOG(FATAL) << "Can't get here.";
    175   return false;
    176 }
    177 
    178 bool IsFastStringHandling(const FieldDescriptor* descriptor,
    179       const Params params) {
    180   return ((params.optimization() == JAVAMICRO_OPT_SPEED)
    181       && (GetJavaType(descriptor) == JAVATYPE_STRING));
    182 }
    183 
    184 void SetPrimitiveVariables(const FieldDescriptor* descriptor, const Params params,
    185                            map<string, string>* variables) {
    186   (*variables)["name"] =
    187     UnderscoresToCamelCase(descriptor);
    188   (*variables)["capitalized_name"] =
    189     UnderscoresToCapitalizedCamelCase(descriptor);
    190   (*variables)["number"] = SimpleItoa(descriptor->number());
    191   (*variables)["type"] = PrimitiveTypeName(GetJavaType(descriptor));
    192   (*variables)["default"] = DefaultValue(params, descriptor);
    193   (*variables)["boxed_type"] = BoxedPrimitiveTypeName(GetJavaType(descriptor));
    194   (*variables)["capitalized_type"] = GetCapitalizedType(descriptor);
    195   (*variables)["tag"] = SimpleItoa(WireFormat::MakeTag(descriptor));
    196   (*variables)["tag_size"] = SimpleItoa(
    197       WireFormat::TagSize(descriptor->number(), descriptor->type()));
    198   if (IsReferenceType(GetJavaType(descriptor))) {
    199     (*variables)["null_check"] =
    200         "  if (value == null) {\n"
    201         "    throw new NullPointerException();\n"
    202         "  }\n";
    203   } else {
    204     (*variables)["null_check"] = "";
    205   }
    206   int fixed_size = FixedSize(descriptor->type());
    207   if (fixed_size != -1) {
    208     (*variables)["fixed_size"] = SimpleItoa(fixed_size);
    209   }
    210   (*variables)["message_name"] = descriptor->containing_type()->name();
    211 }
    212 }  // namespace
    213 
    214 // ===================================================================
    215 
    216 PrimitiveFieldGenerator::
    217 PrimitiveFieldGenerator(const FieldDescriptor* descriptor, const Params& params)
    218   : FieldGenerator(params), descriptor_(descriptor) {
    219   SetPrimitiveVariables(descriptor, params, &variables_);
    220 }
    221 
    222 PrimitiveFieldGenerator::~PrimitiveFieldGenerator() {}
    223 
    224 void PrimitiveFieldGenerator::
    225 GenerateMembers(io::Printer* printer) const {
    226   printer->Print(variables_,
    227     "private boolean has$capitalized_name$;\n"
    228     "private $type$ $name$_ = $default$;\n"
    229     "public $type$ get$capitalized_name$() { return $name$_; }\n"
    230     "public boolean has$capitalized_name$() { return has$capitalized_name$; }\n");
    231   if (IsFastStringHandling(descriptor_, params_)) {
    232     printer->Print(variables_,
    233       "private byte [] $name$Utf8_ = null;\n"
    234       "public $message_name$ set$capitalized_name$($type$ value) {\n"
    235       "  has$capitalized_name$ = true;\n"
    236       "  $name$_ = value;\n"
    237       "  $name$Utf8_ = null;\n"
    238       "  return this;\n"
    239       "}\n"
    240       "public $message_name$ clear$capitalized_name$() {\n"
    241       "  has$capitalized_name$ = false;\n"
    242       "  $name$_ = $default$;\n"
    243       "  $name$Utf8_ = null;\n"
    244       "  return this;\n"
    245       "}\n");
    246   } else {
    247     if (IsVariableLenType(GetJavaType(descriptor_))) {
    248       printer->Print(variables_,
    249         "public $message_name$ set$capitalized_name$($type$ value) {\n"
    250         "  has$capitalized_name$ = true;\n"
    251         "  $name$_ = value;\n"
    252         "  return this;\n"
    253         "}\n"
    254         "public $message_name$ clear$capitalized_name$() {\n"
    255         "  has$capitalized_name$ = false;\n"
    256         "  $name$_ = $default$;\n"
    257         "  return this;\n"
    258         "}\n");
    259     } else {
    260       printer->Print(variables_,
    261         "public $message_name$ set$capitalized_name$($type$ value) {\n"
    262         "  has$capitalized_name$ = true;\n"
    263         "  $name$_ = value;\n"
    264         "  return this;\n"
    265         "}\n"
    266         "public $message_name$ clear$capitalized_name$() {\n"
    267         "  has$capitalized_name$ = false;\n"
    268         "  $name$_ = $default$;\n"
    269         "  return this;\n"
    270         "}\n");
    271     }
    272   }
    273 }
    274 
    275 void PrimitiveFieldGenerator::
    276 GenerateMergingCode(io::Printer* printer) const {
    277   printer->Print(variables_,
    278     "if (other.has$capitalized_name$()) {\n"
    279     "  set$capitalized_name$(other.get$capitalized_name$());\n"
    280     "}\n");
    281 }
    282 
    283 void PrimitiveFieldGenerator::
    284 GenerateParsingCode(io::Printer* printer) const {
    285   printer->Print(variables_,
    286     "set$capitalized_name$(input.read$capitalized_type$());\n");
    287 }
    288 
    289 void PrimitiveFieldGenerator::
    290 GenerateSerializationCode(io::Printer* printer) const {
    291   if (IsFastStringHandling(descriptor_, params_)) {
    292     printer->Print(variables_,
    293       "if (has$capitalized_name$()) {\n"
    294       "  output.writeByteArray($number$, $name$Utf8_);\n"
    295       "}\n");
    296   } else {
    297     printer->Print(variables_,
    298       "if (has$capitalized_name$()) {\n"
    299       "  output.write$capitalized_type$($number$, get$capitalized_name$());\n"
    300       "}\n");
    301   }
    302 }
    303 
    304 void PrimitiveFieldGenerator::
    305 GenerateSerializedSizeCode(io::Printer* printer) const {
    306   if (IsFastStringHandling(descriptor_, params_)) {
    307     printer->Print(variables_,
    308       "if (has$capitalized_name$()) {\n"
    309       "  try {\n"
    310       "    $name$Utf8_ = $name$_.getBytes(\"UTF-8\");\n"
    311       "  } catch (java.io.UnsupportedEncodingException e) {\n"
    312       "    throw new RuntimeException(\"UTF-8 not supported.\");\n"
    313       "  }\n"
    314       "  size += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    315       "    .computeByteArraySize($number$, $name$Utf8_);\n"
    316       "}\n");
    317   } else {
    318     printer->Print(variables_,
    319       "if (has$capitalized_name$()) {\n"
    320       "  size += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    321       "    .compute$capitalized_type$Size($number$, get$capitalized_name$());\n"
    322       "}\n");
    323   }
    324 }
    325 
    326 string PrimitiveFieldGenerator::GetBoxedType() const {
    327   return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
    328 }
    329 
    330 // ===================================================================
    331 
    332 RepeatedPrimitiveFieldGenerator::
    333 RepeatedPrimitiveFieldGenerator(const FieldDescriptor* descriptor, const Params& params)
    334   : FieldGenerator(params), descriptor_(descriptor) {
    335   SetPrimitiveVariables(descriptor, params, &variables_);
    336   if (descriptor_->options().packed()) {
    337     GOOGLE_LOG(FATAL) << "MicroRuntime does not support packed";
    338   }
    339 }
    340 
    341 RepeatedPrimitiveFieldGenerator::~RepeatedPrimitiveFieldGenerator() {}
    342 
    343 void RepeatedPrimitiveFieldGenerator::
    344 GenerateMembers(io::Printer* printer) const {
    345   if (IsFastStringHandling(descriptor_, params_)) {
    346     if (params_.java_use_vector()) {
    347       printer->Print(variables_,
    348         "private java.util.Vector $name$_ = new java.util.Vector();\n"
    349         "public java.util.Vector get$capitalized_name$List() {\n"
    350         "  return $name$_;\n"
    351         "}\n"
    352         "private java.util.Vector $name$Utf8_ = new java.util.Vector();\n"
    353         "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
    354         "public $type$ get$capitalized_name$(int index) {\n"
    355         "  return (($type$)$name$_.elementAt(index));\n"
    356         "}\n"
    357         "public $message_name$ set$capitalized_name$(int index, $type$ value) {\n"
    358         "$null_check$"
    359         "  $name$_.setElementAt(value, index);\n"
    360         "  $name$Utf8_ = null;\n"
    361         "  return this;\n"
    362         "}\n"
    363         "public $message_name$ add$capitalized_name$($type$ value) {\n"
    364         "$null_check$"
    365         "  $name$_.addElement(value);\n"
    366         "  $name$Utf8_ = null;\n"
    367         "  return this;\n"
    368         "}\n"
    369         "public $message_name$ clear$capitalized_name$() {\n"
    370         "  $name$_.removeAllElements();\n"
    371         "  $name$Utf8_ = null;\n"
    372         "  return this;\n"
    373         "}\n");
    374     } else {
    375       printer->Print(variables_,
    376         "private java.util.List<$type$> $name$_ =\n"
    377         "  java.util.Collections.emptyList();\n"
    378         "public java.util.List<$type$> get$capitalized_name$List() {\n"
    379         "  return $name$_;\n"   // note:  unmodifiable list
    380         "}\n"
    381         "private java.util.List<byte []> $name$Utf8_ = null;\n"
    382         "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
    383         "public $type$ get$capitalized_name$(int index) {\n"
    384         "  return $name$_.get(index);\n"
    385         "}\n"
    386         "public $message_name$ set$capitalized_name$(int index, $type$ value) {\n"
    387         "$null_check$"
    388         "  $name$_.set(index, value);\n"
    389         "  $name$Utf8_ = null;\n"
    390         "  return this;\n"
    391         "}\n"
    392         "public $message_name$ add$capitalized_name$($type$ value) {\n"
    393         "$null_check$"
    394         "  if ($name$_.isEmpty()) {\n"
    395         "    $name$_ = new java.util.ArrayList<$type$>();\n"
    396         "  }\n"
    397         "  $name$_.add(value);\n"
    398         "  $name$Utf8_ = null;\n"
    399         "  return this;\n"
    400         "}\n"
    401         "public $message_name$ clear$capitalized_name$() {\n"
    402         "  $name$_ = java.util.Collections.emptyList();\n"
    403         "  $name$Utf8_ = null;\n"
    404         "  return this;\n"
    405         "}\n");
    406     }
    407   } else if (params_.java_use_vector()) {
    408     if (IsReferenceType(GetJavaType(descriptor_))) {
    409       printer->Print(variables_,
    410         "private java.util.Vector $name$_ = new java.util.Vector();\n"
    411         "public java.util.Vector get$capitalized_name$List() {\n"
    412         "  return $name$_;\n"
    413         "}\n"
    414         "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
    415         "public $type$ get$capitalized_name$(int index) {\n"
    416         "  return ($type$) $name$_.elementAt(index);\n"
    417         "}\n"
    418         "public $message_name$ set$capitalized_name$(int index, $type$ value) {\n"
    419         "$null_check$"
    420         "  $name$_.setElementAt(value, index);\n"
    421         "  return this;\n"
    422         "}\n"
    423         "public $message_name$ add$capitalized_name$($type$ value) {\n"
    424         "$null_check$"
    425         "  $name$_.addElement(value);\n"
    426         "  return this;\n"
    427         "}\n"
    428         "public $message_name$ clear$capitalized_name$() {\n"
    429         "  $name$_.removeAllElements();\n"
    430         "  return this;\n"
    431         "}\n");
    432     } else {
    433       printer->Print(variables_,
    434         "private java.util.Vector $name$_ = new java.util.Vector();\n"
    435         "public java.util.Vector get$capitalized_name$List() {\n"
    436         "  return $name$_;\n"
    437         "}\n"
    438         "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
    439         "public $type$ get$capitalized_name$(int index) {\n"
    440         "  return (($boxed_type$)$name$_.elementAt(index)).$type$Value();\n"
    441         "}\n"
    442         "public $message_name$ set$capitalized_name$(int index, $type$ value) {\n"
    443         "$null_check$"
    444         "  $name$_.setElementAt(new $boxed_type$(value), index);\n"
    445         "  return this;\n"
    446         "}\n"
    447         "public $message_name$ add$capitalized_name$($type$ value) {\n"
    448         "$null_check$"
    449         "  $name$_.addElement(new $boxed_type$(value));\n"
    450         "  return this;\n"
    451         "}\n"
    452         "public $message_name$ clear$capitalized_name$() {\n"
    453         "  $name$_.removeAllElements();\n"
    454         "  return this;\n"
    455         "}\n");
    456     }
    457   } else {
    458     printer->Print(variables_,
    459       "private java.util.List<$boxed_type$> $name$_ =\n"
    460       "  java.util.Collections.emptyList();\n"
    461       "public java.util.List<$boxed_type$> get$capitalized_name$List() {\n"
    462       "  return $name$_;\n"   // note:  unmodifiable list
    463       "}\n"
    464       "public int get$capitalized_name$Count() { return $name$_.size(); }\n"
    465       "public $type$ get$capitalized_name$(int index) {\n"
    466       "  return $name$_.get(index);\n"
    467       "}\n"
    468       "public $message_name$ set$capitalized_name$(int index, $type$ value) {\n"
    469       "$null_check$"
    470       "  $name$_.set(index, value);\n"
    471       "  return this;\n"
    472       "}\n"
    473       "public $message_name$ add$capitalized_name$($type$ value) {\n"
    474       "$null_check$"
    475       "  if ($name$_.isEmpty()) {\n"
    476       "    $name$_ = new java.util.ArrayList<$boxed_type$>();\n"
    477       "  }\n"
    478       "  $name$_.add(value);\n"
    479       "  return this;\n"
    480       "}\n"
    481       "public $message_name$ clear$capitalized_name$() {\n"
    482       "  $name$_ = java.util.Collections.emptyList();\n"
    483       "  return this;\n"
    484       "}\n");
    485   }
    486   if (descriptor_->options().packed()) {
    487     printer->Print(variables_,
    488       "private int $name$MemoizedSerializedSize;\n");
    489   }
    490 }
    491 
    492 void RepeatedPrimitiveFieldGenerator::
    493 GenerateMergingCode(io::Printer* printer) const {
    494   if (params_.java_use_vector()) {
    495     printer->Print(variables_,
    496       "if (other.$name$_.size() != 0) {\n"
    497       "  for (int i = 0; i < other.$name$_.size(); i++)) {\n"
    498       "    result.$name$_.addElement(other.$name$_.elementAt(i));\n"
    499       "  }\n"
    500       "}\n");
    501   } else {
    502     printer->Print(variables_,
    503       "if (!other.$name$_.isEmpty()) {\n"
    504       "  if (result.$name$_.isEmpty()) {\n"
    505       "    result.$name$_ = new java.util.ArrayList<$type$>();\n"
    506       "  }\n"
    507       "  result.$name$_.addAll(other.$name$_);\n"
    508       "}\n");
    509   }
    510 }
    511 
    512 void RepeatedPrimitiveFieldGenerator::
    513 GenerateParsingCode(io::Printer* printer) const {
    514   if (descriptor_->options().packed()) {
    515     printer->Print(variables_,
    516       "int length = input.readRawVarint32();\n"
    517       "int limit = input.pushLimit(length);\n"
    518       "while (input.getBytesUntilLimit() > 0) {\n"
    519       "  add$capitalized_name$(input.read$capitalized_type$());\n"
    520       "}\n"
    521       "input.popLimit(limit);\n");
    522   } else {
    523     printer->Print(variables_,
    524       "add$capitalized_name$(input.read$capitalized_type$());\n");
    525   }
    526 }
    527 
    528 void RepeatedPrimitiveFieldGenerator::
    529 GenerateSerializationCode(io::Printer* printer) const {
    530   if (descriptor_->options().packed()) {
    531     printer->Print(variables_,
    532       "if (get$capitalized_name$List().size() > 0) {\n"
    533         "  output.writeRawVarint32($tag$);\n"
    534         "  output.writeRawVarint32($name$MemoizedSerializedSize);\n"
    535         "}\n");
    536     if (params_.java_use_vector()) {
    537       printer->Print(variables_,
    538         "for (int i = 0; i < get$capitalized_name$List().size(); i++) {\n"
    539         "  output.write$capitalized_type$NoTag(get$capitalized_name$(i));\n"
    540         "}\n");
    541     } else {
    542       printer->Print(variables_,
    543         "for ($type$ element : get$capitalized_name$List()) {\n"
    544         "  output.write$capitalized_type$NoTag(element);\n"
    545         "}\n");
    546     }
    547   } else {
    548     if (params_.java_use_vector()) {
    549       if (IsFastStringHandling(descriptor_, params_)) {
    550         printer->Print(variables_,
    551           "for (int i = 0; i < $name$Utf8_.size(); i++) {\n"
    552           "  output.writeByteArray($number$, (byte []) $name$Utf8_.get(i));\n"
    553           "}\n");
    554       } else {
    555         printer->Print(variables_,
    556           "for (int i = 0; i < get$capitalized_name$List().size(); i++) {\n"
    557           "  output.write$capitalized_type$($number$, get$capitalized_name$(i));\n"
    558           "}\n");
    559       }
    560     } else {
    561       if (IsFastStringHandling(descriptor_, params_)) {
    562         printer->Print(variables_,
    563           "for (byte [] element : $name$Utf8_) {\n"
    564           "  output.writeByteArray($number$, element);\n"
    565           "}\n");
    566       } else {
    567         printer->Print(variables_,
    568           "for ($type$ element : get$capitalized_name$List()) {\n"
    569           "  output.write$capitalized_type$($number$, element);\n"
    570           "}\n");
    571       }
    572     }
    573   }
    574 }
    575 
    576 void RepeatedPrimitiveFieldGenerator::
    577 GenerateSerializedSizeCode(io::Printer* printer) const {
    578   printer->Print(variables_,
    579     "{\n"
    580     "  int dataSize = 0;\n");
    581   printer->Indent();
    582 
    583   if (FixedSize(descriptor_->type()) == -1) {
    584     if (params_.java_use_vector()) {
    585       if (IsFastStringHandling(descriptor_, params_)) {
    586         printer->Print(variables_,
    587           "$name$Utf8_ = new java.util.Vector();\n"
    588           "byte[] bytes = null;\n"
    589           "int sizeArray = get$capitalized_name$List().size();\n"
    590           "for (int i = 0; i < sizeArray; i++) {\n"
    591           "  $type$ element = ($type$)$name$_.elementAt(i);\n"
    592           "  try {\n"
    593           "    bytes = element.getBytes(\"UTF-8\");\n"
    594           "  } catch (java.io.UnsupportedEncodingException e) {\n"
    595           "    throw new RuntimeException(\"UTF-8 not supported.\");\n"
    596           "  }\n"
    597           "  $name$Utf8_.addElement(bytes);\n"
    598           "  dataSize += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    599           "    .computeByteArraySizeNoTag(bytes);\n"
    600           "}\n");
    601       } else {
    602         printer->Print(variables_,
    603           "for (int i = 0; i < get$capitalized_name$List().size(); i++) {\n"
    604           "  dataSize += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    605           "    .compute$capitalized_type$SizeNoTag(($type$)get$capitalized_name$(i));\n"
    606           "}\n");
    607       }
    608     } else {
    609       if (IsFastStringHandling(descriptor_, params_)) {
    610           printer->Print(variables_,
    611             "$name$Utf8_ = new java.util.ArrayList<byte[]>();\n"
    612             "byte[] bytes = null;\n"
    613             "int sizeArray = get$capitalized_name$List().size();\n"
    614             "for (int i = 0; i < sizeArray; i++) {\n"
    615             "   $type$ element = get$capitalized_name$(i);\n"
    616             "  try {\n"
    617             "    bytes = element.getBytes(\"UTF-8\");\n"
    618             "  } catch (java.io.UnsupportedEncodingException e) {\n"
    619             "    throw new RuntimeException(\"UTF-8 not supported.\");\n"
    620             "  }\n"
    621             "  $name$Utf8_.add(bytes);\n"
    622             "  dataSize += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    623             "    .computeByteArraySizeNoTag(bytes);\n"
    624             "}\n");
    625       } else {
    626         printer->Print(variables_,
    627             "for ($type$ element : get$capitalized_name$List()) {\n"
    628             "  dataSize += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    629             "    .compute$capitalized_type$SizeNoTag(element);\n"
    630           "}\n");
    631       }
    632     }
    633   } else {
    634     printer->Print(variables_,
    635       "dataSize = $fixed_size$ * get$capitalized_name$List().size();\n");
    636   }
    637 
    638   printer->Print(
    639       "size += dataSize;\n");
    640 
    641   if (descriptor_->options().packed()) {
    642     if (params_.java_use_vector()) {
    643       printer->Print(variables_,
    644         "if (get$capitalized_name$List().size() != 0) {\n");
    645     } else {
    646       printer->Print(variables_,
    647         "if (!get$capitalized_name$List().isEmpty()) {\n");
    648     }
    649     printer->Print(variables_,
    650         "  size += $tag_size$;\n"
    651         "  size += com.google.protobuf.micro.CodedOutputStreamMicro\n"
    652         "      .computeInt32SizeNoTag(dataSize);\n"
    653         "}\n");
    654   } else {
    655     printer->Print(variables_,
    656       "size += $tag_size$ * get$capitalized_name$List().size();\n");
    657   }
    658 
    659   // cache the data size for packed fields.
    660   if (descriptor_->options().packed()) {
    661     printer->Print(variables_,
    662       "$name$MemoizedSerializedSize = dataSize;\n");
    663   }
    664 
    665   printer->Outdent();
    666   printer->Print("}\n");
    667 }
    668 
    669 string RepeatedPrimitiveFieldGenerator::GetBoxedType() const {
    670   return BoxedPrimitiveTypeName(GetJavaType(descriptor_));
    671 }
    672 
    673 }  // namespace javamicro
    674 }  // namespace compiler
    675 }  // namespace protobuf
    676 }  // namespace google
    677