diff options
Diffstat (limited to 'third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc')
| -rw-r--r-- | third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc | 1100 |
1 files changed, 1100 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc b/third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc new file mode 100644 index 0000000000..fec13b6dd0 --- /dev/null +++ b/third_party/protobuf/3.4.0/src/google/protobuf/compiler/cpp/cpp_string_field.cc @@ -0,0 +1,1100 @@ +// 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, + std::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 = "_default_" + FieldName(descriptor) + "_"; + (*variables)["default_variable_name"] = default_variable_string; + (*variables)["default_variable"] = + descriptor->default_value_string().empty() + ? "&::google::protobuf::internal::GetEmptyStringAlreadyInited()" + : "&" + (*variables)["classname"] + "::" + default_variable_string + + ".get()"; + (*variables)["pointer_type"] = + descriptor->type() == FieldDescriptor::TYPE_BYTES ? "void" : "char"; + (*variables)["null_check"] = "GOOGLE_DCHECK(value != NULL);\n"; + // 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 ::google::protobuf::internal::ExplicitlyConstructed< ::std::string>" + " $default_variable_name$;\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"); + printer->Annotate("name", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$set_$name$$}$(const ::std::string& value);\n"); + printer->Annotate("{", "}", descriptor_); + + printer->Print(variables_, + "#if LANG_CXX11\n" + "$deprecated_attr$void ${$set_$name$$}$(::std::string&& value);\n" + "#endif\n"); + printer->Annotate("{", "}", descriptor_); + + printer->Print( + variables_, + "$deprecated_attr$void ${$set_$name$$}$(const char* value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$set_$name$$}$(const $pointer_type$* " + "value, size_t size)" + ";\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$::std::string* ${$mutable_$name$$}$();\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, "$deprecated_attr$::std::string* $release_name$();\n"); + printer->Annotate("release_name", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$set_allocated_$name$$}$(::std::string* $name$);\n"); + printer->Annotate("{", "}", descriptor_); + if (SupportsArenas(descriptor_)) { + printer->Print( + variables_, + "$deprecated_attr$::std::string* ${$unsafe_arena_release_$name$$}$();\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$unsafe_arena_set_allocated_$name$$}$(\n" + " ::std::string* $name$);\n"); + printer->Annotate("{", "}", descriptor_); + } + + + if (unknown_ctype) { + printer->Outdent(); + printer->Print(" public:\n"); + printer->Indent(); + } +} + +void StringFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, + bool is_inline) const { + std::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();\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" + "#if LANG_CXX11\n" + "$inline$void $classname$::set_$name$(::std::string&& value) {\n" + " $set_hasbit$\n" + " $name$_.Set(\n" + " $default_variable$, ::std::move(value), GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "$inline$void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " $set_hasbit$\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();\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" + "#if LANG_CXX11\n" + "$inline$void $classname$::set_$name$(::std::string&& value) {\n" + " $set_hasbit$\n" + " $name$_.SetNoArena(\n" + " $default_variable$, ::std::move(value));\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "$inline$void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " $set_hasbit$\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_, + "::google::protobuf::internal::ExplicitlyConstructed< ::std::string> " + "$classname$::$default_variable_name$;\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:: +GenerateMessageClearingCode(io::Printer* printer) const { + // Two-dimension specialization here: supporting arenas, field presence, 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 we have field presence, then the Clear() method of the protocol buffer + // will have checked that this field is set. If so, we can avoid redundant + // checks against default_variable. + const bool must_be_present = HasFieldPresence(descriptor_->file()); + + if (must_be_present) { + printer->Print(variables_, + "GOOGLE_DCHECK(!$name$_.IsDefault($default_variable$));\n"); + } + + 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 (must_be_present) { + // When Arenas are disabled and field presence has been checked, we can + // safely treat the ArenaStringPtr as a string*. + if (descriptor_->default_value_string().empty()) { + printer->Print(variables_, + "(*$name$_.UnsafeRawStringPointer())->clear();\n"); + } else { + printer->Print(variables_, + "(*$name$_.UnsafeRawStringPointer())->assign(*$default_variable$);\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:: +GenerateCopyConstructorCode(io::Printer* printer) const { + GenerateConstructorCode(printer); + + if (HasFieldPresence(descriptor_->file())) { + printer->Print(variables_, + "if (from.has_$name$()) {\n"); + } else { + printer->Print(variables_, + "if (from.$name$().size() > 0) {\n"); + } + + printer->Indent(); + + if (SupportsArenas(descriptor_) || descriptor_->containing_oneof() != NULL) { + // TODO(gpike): improve this + printer->Print(variables_, + "$name$_.Set($default_variable$, from.$name$(),\n" + " GetArenaNoVirtual());\n"); + } else { + printer->Print(variables_, + "$name$_.AssignWithDefault($default_variable$, from.$name$_);\n"); + } + + printer->Outdent(); + printer->Print("}\n"); +} + +void StringFieldGenerator:: +GenerateDestructorCode(io::Printer* printer) const { + if (SupportsArenas(descriptor_)) { + // The variable |arena| is defined by the enclosing code. + // See MessageGenerator::GenerateSharedDestructorCode. + printer->Print(variables_, + "$name$_.Destroy($default_variable$, arena);\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_, + "$classname$::$default_variable_name$.DefaultConstruct();\n" + "*$classname$::$default_variable_name$.get_mutable() = " + "::std::string($default$, $default_length$);\n" + "::google::protobuf::internal::OnShutdownDestroyString(\n" + " $classname$::$default_variable_name$.get_mutable());\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(), static_cast<int>(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(), static_cast<int>(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(), static_cast<int>(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 { + std::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$$name$_.Get();\n" + " }\n" + " return *$default_variable$;\n" + "}\n" + "$inline$void $classname$::set_$name$(const ::std::string& value) {\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $oneof_prefix$$name$_.Set($default_variable$, value,\n" + " GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + "}\n" + "#if LANG_CXX11\n" + "$inline$void $classname$::set_$name$(::std::string&& value) {\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $oneof_prefix$$name$_.UnsafeSetDefault($default_variable$);\n" + " }\n" + " $oneof_prefix$$name$_.Set(\n" + " $default_variable$, ::std::move(value), GetArenaNoVirtual());\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "$inline$void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " if (!has_$name$()) {\n" + " clear_$oneof_name$();\n" + " set_has_$name$();\n" + " $oneof_prefix$$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$_.GetNoArena();\n" + " }\n" + " return *$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$)\n" + "}\n" + "#if LANG_CXX11\n" + "$inline$void $classname$::set_$name$(::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(\n" + " $default_variable$, ::std::move(value));\n" + " // @@protoc_insertion_point(field_set_rvalue:$full_name$)\n" + "}\n" + "#endif\n" + "$inline$void $classname$::set_$name$(const char* value) {\n" + " $null_check$" + " 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$$name$_.SetAllocatedNoArena($default_variable$,\n" + " $name$);\n" + " }\n" + " // @@protoc_insertion_point(field_set_allocated:$full_name$)\n" + "}\n"); + } +} + +void StringOneofFieldGenerator:: +GenerateClearingCode(io::Printer* printer) const { + std::map<string, string> variables(variables_); + if (dependent_field_) { + variables["this_message"] = DependentBaseDownCast(); + // This clearing code may be in the dependent base class. If the default + // value is an empty string, then the $default_variable$ is a global + // singleton. If the default is not empty, we need to down-cast to get the + // default value's global singleton instance. See SetStringVariables() for + // possible values of default_variable. + if (!descriptor_->default_value_string().empty()) { + variables["default_variable"] = "&" + DependentBaseDownCast() + + variables["default_variable_name"] + + ".get()"; + } + } else { + variables["this_message"] = ""; + } + if (SupportsArenas(descriptor_)) { + printer->Print(variables, + "$this_message$$oneof_prefix$$name$_.Destroy($default_variable$,\n" + " $this_message$GetArenaNoVirtual());\n"); + } else { + printer->Print(variables, + "$this_message$$oneof_prefix$$name$_." + "DestroyNoArena($default_variable$);\n"); + } +} + +void StringOneofFieldGenerator:: +GenerateMessageClearingCode(io::Printer* printer) const { + return GenerateClearingCode(printer); +} + +void StringOneofFieldGenerator:: +GenerateSwappingCode(io::Printer* printer) const { + // Don't print any swapping code. Swapping the union will swap this field. +} + +void StringOneofFieldGenerator:: +GenerateConstructorCode(io::Printer* printer) const { + printer->Print( + variables_, + "_$classname$_default_instance_.$name$_.UnsafeSetDefault(\n" + " $default_variable$);\n"); +} + +void StringOneofFieldGenerator:: +GenerateDestructorCode(io::Printer* printer) const { + if (SupportsArenas(descriptor_)) { + printer->Print(variables_, + "if (has_$name$()) {\n" + " $oneof_prefix$$name$_.Destroy($default_variable$,\n" + " GetArenaNoVirtual());\n" + "}\n"); + } else { + printer->Print(variables_, + "if (has_$name$()) {\n" + " $oneof_prefix$$name$_.DestroyNoArena($default_variable$);\n" + "}\n"); + } +} + +void StringOneofFieldGenerator:: +GenerateMergeFromCodedStream(io::Printer* printer) const { + printer->Print(variables_, + "DO_(::google::protobuf::internal::WireFormatLite::Read$declared_type$(\n" + " input, this->mutable_$name$()));\n"); + + if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { + GenerateUtf8CheckCodeForString( + descriptor_, options_, true, variables_, + "this->$name$().data(), static_cast<int>(this->$name$().length()),\n", + printer); + } +} + + +// =================================================================== + +RepeatedStringFieldGenerator::RepeatedStringFieldGenerator( + const FieldDescriptor* descriptor, const Options& options) + : FieldGenerator(options), descriptor_(descriptor) { + SetStringVariables(descriptor, &variables_, options); +} + +RepeatedStringFieldGenerator::~RepeatedStringFieldGenerator() {} + +void RepeatedStringFieldGenerator:: +GeneratePrivateMembers(io::Printer* printer) const { + printer->Print(variables_, + "::google::protobuf::RepeatedPtrField< ::std::string> $name$_;\n"); +} + +void RepeatedStringFieldGenerator:: +GenerateAccessorDeclarations(io::Printer* printer) const { + // See comment above about unknown ctypes. + bool unknown_ctype = + descriptor_->options().ctype() != EffectiveStringCType(descriptor_); + + if (unknown_ctype) { + printer->Outdent(); + printer->Print( + " private:\n" + " // Hidden due to unknown ctype option.\n"); + printer->Indent(); + } + + printer->Print(variables_, + "$deprecated_attr$const ::std::string& $name$(int index) const;\n"); + printer->Annotate("name", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$::std::string* ${$mutable_$name$$}$(int index);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$set_$name$$}$(int index, const " + "::std::string& value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "#if LANG_CXX11\n" + "$deprecated_attr$void ${$set_$name$$}$(int index, ::std::string&& value);\n" + "#endif\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$set_$name$$}$(int index, const " + "char* value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "" + "$deprecated_attr$void ${$set_$name$$}$(" + "int index, const $pointer_type$* value, size_t size);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$::std::string* ${$add_$name$$}$();\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$add_$name$$}$(const ::std::string& value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "#if LANG_CXX11\n" + "$deprecated_attr$void ${$add_$name$$}$(::std::string&& value);\n" + "#endif\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$void ${$add_$name$$}$(const char* value);\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print(variables_, + "$deprecated_attr$void ${$add_$name$$}$(const $pointer_type$* " + "value, size_t size)" + ";\n"); + printer->Annotate("{", "}", descriptor_); + printer->Print( + variables_, + "$deprecated_attr$const ::google::protobuf::RepeatedPtrField< ::std::string>& $name$() " + "const;\n"); + printer->Annotate("name", descriptor_); + printer->Print(variables_, + "$deprecated_attr$::google::protobuf::RepeatedPtrField< ::std::string>* " + "${$mutable_$name$$}$()" + ";\n"); + printer->Annotate("{", "}", descriptor_); + + if (unknown_ctype) { + printer->Outdent(); + printer->Print(" public:\n"); + printer->Indent(); + } +} + +void RepeatedStringFieldGenerator:: +GenerateInlineAccessorDefinitions(io::Printer* printer, + bool is_inline) const { + std::map<string, string> variables(variables_); + variables["inline"] = is_inline ? "inline " : ""; + printer->Print(variables, + "$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" + "#if LANG_CXX11\n" + "$inline$void $classname$::set_$name$(int index, ::std::string&& value) {\n" + " // @@protoc_insertion_point(field_set:$full_name$)\n" + " $name$_.Mutable(index)->assign(std::move(value));\n" + "}\n" + "#endif\n" + "$inline$void $classname$::set_$name$(int index, const char* value) {\n" + " $null_check$" + " $name$_.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" + "#if LANG_CXX11\n" + "$inline$void $classname$::add_$name$(::std::string&& value) {\n" + " $name$_.Add(std::move(value));\n" + " // @@protoc_insertion_point(field_add:$full_name$)\n" + "}\n" + "#endif\n" + "$inline$void $classname$::add_$name$(const char* value) {\n" + " $null_check$" + " $name$_.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" + "$inline$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_, "$name$_.InternalSwap(&other->$name$_);\n"); +} + +void RepeatedStringFieldGenerator:: +GenerateConstructorCode(io::Printer* printer) const { + // Not needed for repeated fields. +} + +void RepeatedStringFieldGenerator:: +GenerateCopyConstructorCode(io::Printer* printer) const { + printer->Print(variables_, "$name$_.CopyFrom(from.$name$_);"); +} + +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" + "static_cast<int>(this->$name$(this->$name$_size() - 1).length()),\n", + printer); + } +} + +void RepeatedStringFieldGenerator:: +GenerateSerializeWithCachedSizes(io::Printer* printer) const { + printer->Print(variables_, + "for (int i = 0, n = this->$name$_size(); i < n; i++) {\n"); + printer->Indent(); + if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { + GenerateUtf8CheckCodeForString( + descriptor_, options_, false, variables_, + "this->$name$(i).data(), static_cast<int>(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, n = this->$name$_size(); i < n; i++) {\n"); + printer->Indent(); + if (descriptor_->type() == FieldDescriptor::TYPE_STRING) { + GenerateUtf8CheckCodeForString( + descriptor_, options_, false, variables_, + "this->$name$(i).data(), static_cast<int>(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 += $tag_size$ *\n" + " ::google::protobuf::internal::FromIntSize(this->$name$_size());\n" + "for (int i = 0, n = this->$name$_size(); i < n; 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 |