| // 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. |
| |
| // Author: kenton@google.com (Kenton Varda) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| |
| #include <google/protobuf/compiler/cpp/cpp_string_field.h> |
| #include <google/protobuf/compiler/cpp/cpp_helpers.h> |
| #include <google/protobuf/io/printer.h> |
| #include <google/protobuf/descriptor.pb.h> |
| #include <google/protobuf/stubs/strutil.h> |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace cpp { |
| |
| namespace { |
| |
| void SetStringVariables(const FieldDescriptor* descriptor, |
| map<string, string>* variables, |
| const Options& options) { |
| SetCommonFieldVariables(descriptor, variables, options); |
| (*variables)["default"] = DefaultValue(descriptor); |
| (*variables)["default_length"] = |
| SimpleItoa(descriptor->default_value_string().length()); |
| string default_variable_string = |
| descriptor->default_value_string().empty() |
| ? "&::google::protobuf::internal::GetEmptyStringAlreadyInited()" |
| : "_default_" + FieldName(descriptor) + "_"; |
| (*variables)["default_variable"] = default_variable_string; |
| (*variables)["default_value_init"] = |
| descriptor->default_value_string().empty() |
| ? "" : "*" + default_variable_string; |
| (*variables)["pointer_type"] = |
| descriptor->type() == FieldDescriptor::TYPE_BYTES ? "void" : "char"; |
| // NOTE: Escaped here to unblock proto1->proto2 migration. |
| // TODO(liujisi): Extend this to apply for other conflicting methods. |
| (*variables)["release_name"] = |
| SafeFunctionName(descriptor->containing_type(), |
| descriptor, "release_"); |
| (*variables)["full_name"] = descriptor->full_name(); |
| |
| (*variables)["string_piece"] = "::std::string"; |
| } |
| |
| } // namespace |
| |
| // =================================================================== |
| |
| StringFieldGenerator::StringFieldGenerator(const FieldDescriptor* descriptor, |
| const Options& options) |
| : FieldGenerator(options), descriptor_(descriptor) { |
| SetStringVariables(descriptor, &variables_, options); |
| } |
| |
| StringFieldGenerator::~StringFieldGenerator() {} |
| |
| void StringFieldGenerator:: |
| GeneratePrivateMembers(io::Printer* printer) const { |
| // N.B. that we continue to use |ArenaStringPtr| instead of |string*| for |
| // string fields, even when SupportArenas(descriptor_) == false. Why? |
| // The simple answer is to avoid unmaintainable complexity. The reflection |
| // code assumes ArenaStringPtrs. These are *almost* in-memory-compatible with |
| // string*, except for the pointer tags and related ownership semantics. We |
| // could modify the runtime code to use string* for the not-supporting-arenas |
| // case, but this would require a way to detect which type of class was |
| // generated (adding overhead and complexity to GeneratedMessageReflection) |
| // and littering the runtime code paths with conditionals. It's simpler to |
| // stick with this but use lightweight accessors that assume arena == NULL. |
| // There should be very little overhead anyway because it's just a tagged |
| // pointer in-memory. |
| printer->Print(variables_, "::google::protobuf::internal::ArenaStringPtr $name$_;\n"); |
| } |
| |
| void StringFieldGenerator:: |
| GenerateStaticMembers(io::Printer* printer) const { |
| if (!descriptor_->default_value_string().empty()) { |
| printer->Print(variables_, "static ::std::string* $default_variable$;\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateAccessorDeclarations(io::Printer* printer) const { |
| // If we're using StringFieldGenerator for a field with a ctype, it's |
| // because that ctype isn't actually implemented. In particular, this is |
| // true of ctype=CORD and ctype=STRING_PIECE in the open source release. |
| // We aren't releasing Cord because it has too many Google-specific |
| // dependencies and we aren't releasing StringPiece because it's hardly |
| // useful outside of Google and because it would get confusing to have |
| // multiple instances of the StringPiece class in different libraries (PCRE |
| // already includes it for their C++ bindings, which came from Google). |
| // |
| // In any case, we make all the accessors private while still actually |
| // using a string to represent the field internally. This way, we can |
| // guarantee that if we do ever implement the ctype, it won't break any |
| // existing users who might be -- for whatever reason -- already using .proto |
| // files that applied the ctype. The field can still be accessed via the |
| // reflection interface since the reflection interface is independent of |
| // the string's underlying representation. |
| |
| bool unknown_ctype = |
| descriptor_->options().ctype() != EffectiveStringCType(descriptor_); |
| |
| if (unknown_ctype) { |
| printer->Outdent(); |
| printer->Print( |
| " private:\n" |
| " // Hidden due to unknown ctype option.\n"); |
| printer->Indent(); |
| } |
| |
| printer->Print(variables_, |
| "$deprecated_attr$const ::std::string& $name$() const;\n" |
| "$deprecated_attr$void set_$name$(const ::std::string& value);\n" |
| "$deprecated_attr$void set_$name$(const char* value);\n" |
| "$deprecated_attr$void set_$name$(const $pointer_type$* value, size_t size)" |
| ";\n" |
| "$deprecated_attr$::std::string* mutable_$name$();\n" |
| "$deprecated_attr$::std::string* $release_name$();\n" |
| "$deprecated_attr$void set_allocated_$name$(::std::string* $name$);\n"); |
| if (SupportsArenas(descriptor_)) { |
| printer->Print(variables_, |
| "$deprecated_attr$::std::string* unsafe_arena_release_$name$();\n" |
| "$deprecated_attr$void unsafe_arena_set_allocated_$name$(\n" |
| " ::std::string* $name$);\n"); |
| } |
| |
| |
| if (unknown_ctype) { |
| printer->Outdent(); |
| printer->Print(" public:\n"); |
| printer->Indent(); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateInlineAccessorDefinitions(io::Printer* printer, |
| bool is_inline) const { |
| map<string, string> variables(variables_); |
| variables["inline"] = is_inline ? "inline" : ""; |
| if (SupportsArenas(descriptor_)) { |
| printer->Print(variables, |
| "$inline$ const ::std::string& $classname$::$name$() const {\n" |
| " // @@protoc_insertion_point(field_get:$full_name$)\n" |
| " return $name$_.Get($default_variable$);\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" |
| " $set_hasbit$\n" |
| " $name$_.Set($default_variable$, value, GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const char* value) {\n" |
| " $set_hasbit$\n" |
| " $name$_.Set($default_variable$, $string_piece$(value),\n" |
| " GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set_char:$full_name$)\n" |
| "}\n" |
| "$inline$ " |
| "void $classname$::set_$name$(const $pointer_type$* value,\n" |
| " size_t size) {\n" |
| " $set_hasbit$\n" |
| " $name$_.Set($default_variable$, $string_piece$(\n" |
| " reinterpret_cast<const char*>(value), size), GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::mutable_$name$() {\n" |
| " $set_hasbit$\n" |
| " // @@protoc_insertion_point(field_mutable:$full_name$)\n" |
| " return $name$_.Mutable($default_variable$, GetArenaNoVirtual());\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::$release_name$() {\n" |
| " // @@protoc_insertion_point(field_release:$full_name$)\n" |
| " $clear_hasbit$\n" |
| " return $name$_.Release($default_variable$, GetArenaNoVirtual());\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::unsafe_arena_release_$name$() {\n" |
| " // @@protoc_insertion_point(field_unsafe_arena_release:$full_name$)\n" |
| " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" |
| " $clear_hasbit$\n" |
| " return $name$_.UnsafeArenaRelease($default_variable$,\n" |
| " GetArenaNoVirtual());\n" |
| "}\n" |
| "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" |
| " if ($name$ != NULL) {\n" |
| " $set_hasbit$\n" |
| " } else {\n" |
| " $clear_hasbit$\n" |
| " }\n" |
| " $name$_.SetAllocated($default_variable$, $name$,\n" |
| " GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::unsafe_arena_set_allocated_$name$(\n" |
| " ::std::string* $name$) {\n" |
| " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" |
| " if ($name$ != NULL) {\n" |
| " $set_hasbit$\n" |
| " } else {\n" |
| " $clear_hasbit$\n" |
| " }\n" |
| " $name$_.UnsafeArenaSetAllocated($default_variable$,\n" |
| " $name$, GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_unsafe_arena_set_allocated:" |
| "$full_name$)\n" |
| "}\n"); |
| } else { |
| // No-arena case. |
| printer->Print(variables, |
| "$inline$ const ::std::string& $classname$::$name$() const {\n" |
| " // @@protoc_insertion_point(field_get:$full_name$)\n" |
| " return $name$_.GetNoArena($default_variable$);\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" |
| " $set_hasbit$\n" |
| " $name$_.SetNoArena($default_variable$, value);\n" |
| " // @@protoc_insertion_point(field_set:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const char* value) {\n" |
| " $set_hasbit$\n" |
| " $name$_.SetNoArena($default_variable$, $string_piece$(value));\n" |
| " // @@protoc_insertion_point(field_set_char:$full_name$)\n" |
| "}\n" |
| "$inline$ " |
| "void $classname$::set_$name$(const $pointer_type$* value, " |
| "size_t size) {\n" |
| " $set_hasbit$\n" |
| " $name$_.SetNoArena($default_variable$,\n" |
| " $string_piece$(reinterpret_cast<const char*>(value), size));\n" |
| " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::mutable_$name$() {\n" |
| " $set_hasbit$\n" |
| " // @@protoc_insertion_point(field_mutable:$full_name$)\n" |
| " return $name$_.MutableNoArena($default_variable$);\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::$release_name$() {\n" |
| " // @@protoc_insertion_point(field_release:$full_name$)\n" |
| " $clear_hasbit$\n" |
| " return $name$_.ReleaseNoArena($default_variable$);\n" |
| "}\n" |
| "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" |
| " if ($name$ != NULL) {\n" |
| " $set_hasbit$\n" |
| " } else {\n" |
| " $clear_hasbit$\n" |
| " }\n" |
| " $name$_.SetAllocatedNoArena($default_variable$, $name$);\n" |
| " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" |
| "}\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateNonInlineAccessorDefinitions(io::Printer* printer) const { |
| if (!descriptor_->default_value_string().empty()) { |
| // Initialized in GenerateDefaultInstanceAllocator. |
| printer->Print(variables_, |
| "::std::string* $classname$::$default_variable$ = NULL;\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateClearingCode(io::Printer* printer) const { |
| // Two-dimension specialization here: supporting arenas or not, and default |
| // value is the empty string or not. Complexity here ensures the minimal |
| // number of branches / amount of extraneous code at runtime (given that the |
| // below methods are inlined one-liners)! |
| if (SupportsArenas(descriptor_)) { |
| if (descriptor_->default_value_string().empty()) { |
| printer->Print(variables_, |
| "$name$_.ClearToEmpty($default_variable$, GetArenaNoVirtual());\n"); |
| } else { |
| printer->Print(variables_, |
| "$name$_.ClearToDefault($default_variable$, GetArenaNoVirtual());\n"); |
| } |
| } else { |
| if (descriptor_->default_value_string().empty()) { |
| printer->Print(variables_, |
| "$name$_.ClearToEmptyNoArena($default_variable$);\n"); |
| } else { |
| printer->Print(variables_, |
| "$name$_.ClearToDefaultNoArena($default_variable$);\n"); |
| } |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| if (SupportsArenas(descriptor_) || descriptor_->containing_oneof() != NULL) { |
| // TODO(gpike): improve this |
| printer->Print(variables_, "set_$name$(from.$name$());\n"); |
| } else { |
| printer->Print(variables_, |
| "$set_hasbit$\n" |
| "$name$_.AssignWithDefault($default_variable$, from.$name$_);\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateSwappingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_.Swap(&other->$name$_);\n"); |
| } |
| |
| void StringFieldGenerator:: |
| GenerateConstructorCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| "$name$_.UnsafeSetDefault($default_variable$);\n"); |
| } |
| |
| void StringFieldGenerator:: |
| GenerateDestructorCode(io::Printer* printer) const { |
| if (SupportsArenas(descriptor_)) { |
| printer->Print(variables_, |
| "$name$_.Destroy($default_variable$, GetArenaNoVirtual());\n"); |
| } else { |
| printer->Print(variables_, |
| "$name$_.DestroyNoArena($default_variable$);\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateDefaultInstanceAllocator(io::Printer* printer) const { |
| if (!descriptor_->default_value_string().empty()) { |
| printer->Print(variables_, |
| "$classname$::$default_variable$ =\n" |
| " new ::std::string($default$, $default_length$);\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateShutdownCode(io::Printer* printer) const { |
| if (!descriptor_->default_value_string().empty()) { |
| printer->Print(variables_, |
| "delete $classname$::$default_variable$;\n"); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateMergeFromCodedStream(io::Printer* printer) const { |
| printer->Print(variables_, |
| "DO_(::google::protobuf::internal::WireFormatLite::Read$declared_type$(\n" |
| " input, this->mutable_$name$()));\n"); |
| |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, true, variables_, |
| "this->$name$().data(), this->$name$().length(),\n", printer); |
| } |
| } |
| |
| void StringFieldGenerator:: |
| GenerateSerializeWithCachedSizes(io::Printer* printer) const { |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, false, variables_, |
| "this->$name$().data(), this->$name$().length(),\n", printer); |
| } |
| printer->Print(variables_, |
| "::google::protobuf::internal::WireFormatLite::Write$declared_type$MaybeAliased(\n" |
| " $number$, this->$name$(), output);\n"); |
| } |
| |
| void StringFieldGenerator:: |
| GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, false, variables_, |
| "this->$name$().data(), this->$name$().length(),\n", printer); |
| } |
| printer->Print(variables_, |
| "target =\n" |
| " ::google::protobuf::internal::WireFormatLite::Write$declared_type$ToArray(\n" |
| " $number$, this->$name$(), target);\n"); |
| } |
| |
| void StringFieldGenerator:: |
| GenerateByteSize(io::Printer* printer) const { |
| printer->Print(variables_, |
| "total_size += $tag_size$ +\n" |
| " ::google::protobuf::internal::WireFormatLite::$declared_type$Size(\n" |
| " this->$name$());\n"); |
| } |
| |
| // =================================================================== |
| |
| StringOneofFieldGenerator:: |
| StringOneofFieldGenerator(const FieldDescriptor* descriptor, |
| const Options& options) |
| : StringFieldGenerator(descriptor, options), |
| dependent_field_(options.proto_h) { |
| SetCommonOneofFieldVariables(descriptor, &variables_); |
| } |
| |
| StringOneofFieldGenerator::~StringOneofFieldGenerator() {} |
| |
| void StringOneofFieldGenerator:: |
| GenerateInlineAccessorDefinitions(io::Printer* printer, |
| bool is_inline) const { |
| map<string, string> variables(variables_); |
| variables["inline"] = is_inline ? "inline" : ""; |
| if (SupportsArenas(descriptor_)) { |
| printer->Print(variables, |
| "$inline$ const ::std::string& $classname$::$name$() const {\n" |
| " // @@protoc_insertion_point(field_get:$full_name$)\n" |
| " if (has_$name$()) {\n" |
| " return $oneof_prefix$$name$_.Get($default_variable$);\n" |
| " }\n" |
| " return *$default_variable$;\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " $oneof_prefix$$name$_.Set($default_variable$, value,\n" |
| " GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const char* value) {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " $oneof_prefix$$name$_.Set($default_variable$,\n" |
| " $string_piece$(value), GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set_char:$full_name$)\n" |
| "}\n" |
| "$inline$ " |
| "void $classname$::set_$name$(const $pointer_type$* value,\n" |
| " size_t size) {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " $oneof_prefix$$name$_.Set($default_variable$, $string_piece$(\n" |
| " reinterpret_cast<const char*>(value), size),\n" |
| " GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::mutable_$name$() {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " return $oneof_prefix$$name$_.Mutable($default_variable$,\n" |
| " GetArenaNoVirtual());\n" |
| " // @@protoc_insertion_point(field_mutable:$full_name$)\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::$release_name$() {\n" |
| " // @@protoc_insertion_point(field_release:$full_name$)\n" |
| " if (has_$name$()) {\n" |
| " clear_has_$oneof_name$();\n" |
| " return $oneof_prefix$$name$_.Release($default_variable$,\n" |
| " GetArenaNoVirtual());\n" |
| " } else {\n" |
| " return NULL;\n" |
| " }\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::unsafe_arena_release_$name$() {\n" |
| " // @@protoc_insertion_point(field_unsafe_arena_release:$full_name$)\n" |
| " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" |
| " if (has_$name$()) {\n" |
| " clear_has_$oneof_name$();\n" |
| " return $oneof_prefix$$name$_.UnsafeArenaRelease(\n" |
| " $default_variable$, GetArenaNoVirtual());\n" |
| " } else {\n" |
| " return NULL;\n" |
| " }\n" |
| "}\n" |
| "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" |
| " if (!has_$name$()) {\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " clear_$oneof_name$();\n" |
| " if ($name$ != NULL) {\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.SetAllocated($default_variable$, $name$,\n" |
| " GetArenaNoVirtual());\n" |
| " }\n" |
| " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::unsafe_arena_set_allocated_$name$(" |
| "::std::string* $name$) {\n" |
| " GOOGLE_DCHECK(GetArenaNoVirtual() != NULL);\n" |
| " if (!has_$name$()) {\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " clear_$oneof_name$();\n" |
| " if ($name$) {\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeArenaSetAllocated($default_variable$, " |
| "$name$, GetArenaNoVirtual());\n" |
| " }\n" |
| " // @@protoc_insertion_point(field_unsafe_arena_set_allocated:" |
| "$full_name$)\n" |
| "}\n"); |
| } else { |
| // No-arena case. |
| printer->Print(variables, |
| "$inline$ const ::std::string& $classname$::$name$() const {\n" |
| " // @@protoc_insertion_point(field_get:$full_name$)\n" |
| " if (has_$name$()) {\n" |
| " return $oneof_prefix$$name$_.GetNoArena($default_variable$);\n" |
| " }\n" |
| " return *$default_variable$;\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const ::std::string& value) {\n" |
| " // @@protoc_insertion_point(field_set:$full_name$)\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " $oneof_prefix$$name$_.SetNoArena($default_variable$, value);\n" |
| " // @@protoc_insertion_point(field_set:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(const char* value) {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " $oneof_prefix$$name$_.SetNoArena($default_variable$,\n" |
| " $string_piece$(value));\n" |
| " // @@protoc_insertion_point(field_set_char:$full_name$)\n" |
| "}\n" |
| "$inline$ " |
| "void $classname$::set_$name$(const $pointer_type$* value, size_t size) {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " $oneof_prefix$$name$_.SetNoArena($default_variable$, $string_piece$(\n" |
| " reinterpret_cast<const char*>(value), size));\n" |
| " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::mutable_$name$() {\n" |
| " if (!has_$name$()) {\n" |
| " clear_$oneof_name$();\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " // @@protoc_insertion_point(field_mutable:$full_name$)\n" |
| " return $oneof_prefix$$name$_.MutableNoArena($default_variable$);\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::$release_name$() {\n" |
| " // @@protoc_insertion_point(field_release:$full_name$)\n" |
| " if (has_$name$()) {\n" |
| " clear_has_$oneof_name$();\n" |
| " return $oneof_prefix$$name$_.ReleaseNoArena($default_variable$);\n" |
| " } else {\n" |
| " return NULL;\n" |
| " }\n" |
| "}\n" |
| "$inline$ void $classname$::set_allocated_$name$(::std::string* $name$) {\n" |
| " if (!has_$name$()) {\n" |
| " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" |
| " }\n" |
| " clear_$oneof_name$();\n" |
| " if ($name$ != NULL) {\n" |
| " set_has_$name$();\n" |
| " $oneof_prefix$$name$_.SetAllocatedNoArena($default_variable$,\n" |
| " $name$);\n" |
| " }\n" |
| " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" |
| "}\n"); |
| } |
| } |
| |
| void StringOneofFieldGenerator:: |
| GenerateClearingCode(io::Printer* printer) const { |
| map<string, string> variables(variables_); |
| if (dependent_field_) { |
| variables["this_message"] = DependentBaseDownCast(); |
| // This clearing code may be in the dependent base class. If the default |
| // value is an empty string, then the $default_variable$ is a global |
| // singleton. If the default is not empty, we need to down-cast to get the |
| // default value's global singleton instance. See SetStringVariables() for |
| // possible values of default_variable. |
| if (!descriptor_->default_value_string().empty()) { |
| variables["default_variable"] = |
| DependentBaseDownCast() + variables["default_variable"]; |
| } |
| } else { |
| variables["this_message"] = ""; |
| } |
| if (SupportsArenas(descriptor_)) { |
| printer->Print(variables, |
| "$this_message$$oneof_prefix$$name$_.Destroy($default_variable$,\n" |
| " $this_message$GetArenaNoVirtual());\n"); |
| } else { |
| printer->Print(variables, |
| "$this_message$$oneof_prefix$$name$_." |
| "DestroyNoArena($default_variable$);\n"); |
| } |
| } |
| |
| void StringOneofFieldGenerator:: |
| GenerateSwappingCode(io::Printer* printer) const { |
| // Don't print any swapping code. Swapping the union will swap this field. |
| } |
| |
| void StringOneofFieldGenerator:: |
| GenerateConstructorCode(io::Printer* printer) const { |
| printer->Print(variables_, |
| " $classname$_default_oneof_instance_->$name$_.UnsafeSetDefault(" |
| "$default_variable$);\n"); |
| } |
| |
| void StringOneofFieldGenerator:: |
| GenerateDestructorCode(io::Printer* printer) const { |
| if (SupportsArenas(descriptor_)) { |
| printer->Print(variables_, |
| "if (has_$name$()) {\n" |
| " $oneof_prefix$$name$_.Destroy($default_variable$,\n" |
| " GetArenaNoVirtual());\n" |
| "}\n"); |
| } else { |
| printer->Print(variables_, |
| "if (has_$name$()) {\n" |
| " $oneof_prefix$$name$_.DestroyNoArena($default_variable$);\n" |
| "}\n"); |
| } |
| } |
| |
| void StringOneofFieldGenerator:: |
| GenerateMergeFromCodedStream(io::Printer* printer) const { |
| printer->Print(variables_, |
| "DO_(::google::protobuf::internal::WireFormatLite::Read$declared_type$(\n" |
| " input, this->mutable_$name$()));\n"); |
| |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, true, variables_, |
| "this->$name$().data(), this->$name$().length(),\n", printer); |
| } |
| } |
| |
| |
| // =================================================================== |
| |
| RepeatedStringFieldGenerator::RepeatedStringFieldGenerator( |
| const FieldDescriptor* descriptor, const Options& options) |
| : FieldGenerator(options), descriptor_(descriptor) { |
| SetStringVariables(descriptor, &variables_, options); |
| } |
| |
| RepeatedStringFieldGenerator::~RepeatedStringFieldGenerator() {} |
| |
| void RepeatedStringFieldGenerator:: |
| GeneratePrivateMembers(io::Printer* printer) const { |
| printer->Print(variables_, |
| "::google::protobuf::RepeatedPtrField< ::std::string> $name$_;\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateAccessorDeclarations(io::Printer* printer) const { |
| // See comment above about unknown ctypes. |
| bool unknown_ctype = |
| descriptor_->options().ctype() != EffectiveStringCType(descriptor_); |
| |
| if (unknown_ctype) { |
| printer->Outdent(); |
| printer->Print( |
| " private:\n" |
| " // Hidden due to unknown ctype option.\n"); |
| printer->Indent(); |
| } |
| |
| printer->Print(variables_, |
| "$deprecated_attr$const ::std::string& $name$(int index) const;\n" |
| "$deprecated_attr$::std::string* mutable_$name$(int index);\n" |
| "$deprecated_attr$void set_$name$(int index, const ::std::string& value);\n" |
| "$deprecated_attr$void set_$name$(int index, const char* value);\n" |
| "" |
| "$deprecated_attr$void set_$name$(" |
| "int index, const $pointer_type$* value, size_t size);\n" |
| "$deprecated_attr$::std::string* add_$name$();\n" |
| "$deprecated_attr$void add_$name$(const ::std::string& value);\n" |
| "$deprecated_attr$void add_$name$(const char* value);\n" |
| "$deprecated_attr$void add_$name$(const $pointer_type$* value, size_t size)" |
| ";\n"); |
| |
| printer->Print(variables_, |
| "$deprecated_attr$const ::google::protobuf::RepeatedPtrField< ::std::string>& $name$() " |
| "const;\n" |
| "$deprecated_attr$::google::protobuf::RepeatedPtrField< ::std::string>* mutable_$name$()" |
| ";\n"); |
| |
| if (unknown_ctype) { |
| printer->Outdent(); |
| printer->Print(" public:\n"); |
| printer->Indent(); |
| } |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateInlineAccessorDefinitions(io::Printer* printer, |
| bool is_inline) const { |
| map<string, string> variables(variables_); |
| variables["inline"] = is_inline ? "inline" : ""; |
| printer->Print(variables, |
| "$inline$ const ::std::string& $classname$::$name$(int index) const {\n" |
| " // @@protoc_insertion_point(field_get:$full_name$)\n" |
| " return $name$_.$cppget$(index);\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::mutable_$name$(int index) {\n" |
| " // @@protoc_insertion_point(field_mutable:$full_name$)\n" |
| " return $name$_.Mutable(index);\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(int index, const ::std::string& value) {\n" |
| " // @@protoc_insertion_point(field_set:$full_name$)\n" |
| " $name$_.Mutable(index)->assign(value);\n" |
| "}\n" |
| "$inline$ void $classname$::set_$name$(int index, const char* value) {\n" |
| " $name$_.Mutable(index)->assign(value);\n" |
| " // @@protoc_insertion_point(field_set_char:$full_name$)\n" |
| "}\n" |
| "$inline$ void " |
| "$classname$::set_$name$" |
| "(int index, const $pointer_type$* value, size_t size) {\n" |
| " $name$_.Mutable(index)->assign(\n" |
| " reinterpret_cast<const char*>(value), size);\n" |
| " // @@protoc_insertion_point(field_set_pointer:$full_name$)\n" |
| "}\n" |
| "$inline$ ::std::string* $classname$::add_$name$() {\n" |
| " // @@protoc_insertion_point(field_add_mutable:$full_name$)\n" |
| " return $name$_.Add();\n" |
| "}\n" |
| "$inline$ void $classname$::add_$name$(const ::std::string& value) {\n" |
| " $name$_.Add()->assign(value);\n" |
| " // @@protoc_insertion_point(field_add:$full_name$)\n" |
| "}\n" |
| "$inline$ void $classname$::add_$name$(const char* value) {\n" |
| " $name$_.Add()->assign(value);\n" |
| " // @@protoc_insertion_point(field_add_char:$full_name$)\n" |
| "}\n" |
| "$inline$ void " |
| "$classname$::add_$name$(const $pointer_type$* value, size_t size) {\n" |
| " $name$_.Add()->assign(reinterpret_cast<const char*>(value), size);\n" |
| " // @@protoc_insertion_point(field_add_pointer:$full_name$)\n" |
| "}\n"); |
| printer->Print(variables, |
| "$inline$ const ::google::protobuf::RepeatedPtrField< ::std::string>&\n" |
| "$classname$::$name$() const {\n" |
| " // @@protoc_insertion_point(field_list:$full_name$)\n" |
| " return $name$_;\n" |
| "}\n" |
| "$inline$ ::google::protobuf::RepeatedPtrField< ::std::string>*\n" |
| "$classname$::mutable_$name$() {\n" |
| " // @@protoc_insertion_point(field_mutable_list:$full_name$)\n" |
| " return &$name$_;\n" |
| "}\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateClearingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_.Clear();\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateMergingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_.MergeFrom(from.$name$_);\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateSwappingCode(io::Printer* printer) const { |
| printer->Print(variables_, "$name$_.UnsafeArenaSwap(&other->$name$_);\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateConstructorCode(io::Printer* printer) const { |
| // Not needed for repeated fields. |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateMergeFromCodedStream(io::Printer* printer) const { |
| printer->Print(variables_, |
| "DO_(::google::protobuf::internal::WireFormatLite::Read$declared_type$(\n" |
| " input, this->add_$name$()));\n"); |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, true, variables_, |
| "this->$name$(this->$name$_size() - 1).data(),\n" |
| "this->$name$(this->$name$_size() - 1).length(),\n", |
| printer); |
| } |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateSerializeWithCachedSizes(io::Printer* printer) const { |
| printer->Print(variables_, |
| "for (int i = 0; i < this->$name$_size(); i++) {\n"); |
| printer->Indent(); |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, false, variables_, |
| "this->$name$(i).data(), this->$name$(i).length(),\n", printer); |
| } |
| printer->Outdent(); |
| printer->Print(variables_, |
| " ::google::protobuf::internal::WireFormatLite::Write$declared_type$(\n" |
| " $number$, this->$name$(i), output);\n" |
| "}\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateSerializeWithCachedSizesToArray(io::Printer* printer) const { |
| printer->Print(variables_, |
| "for (int i = 0; i < this->$name$_size(); i++) {\n"); |
| printer->Indent(); |
| if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { |
| GenerateUtf8CheckCodeForString( |
| descriptor_, options_, false, variables_, |
| "this->$name$(i).data(), this->$name$(i).length(),\n", printer); |
| } |
| printer->Outdent(); |
| printer->Print(variables_, |
| " target = ::google::protobuf::internal::WireFormatLite::\n" |
| " Write$declared_type$ToArray($number$, this->$name$(i), target);\n" |
| "}\n"); |
| } |
| |
| void RepeatedStringFieldGenerator:: |
| GenerateByteSize(io::Printer* printer) const { |
| printer->Print(variables_, |
| "total_size += $tag_size$ * this->$name$_size();\n" |
| "for (int i = 0; i < this->$name$_size(); i++) {\n" |
| " total_size += ::google::protobuf::internal::WireFormatLite::$declared_type$Size(\n" |
| " this->$name$(i));\n" |
| "}\n"); |
| } |
| |
| } // namespace cpp |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |