diff options
author | liujisi@google.com <liujisi@google.com@630680e5-0e50-0410-840e-4b1c322b438d> | 2010-11-02 13:14:58 +0000 |
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committer | liujisi@google.com <liujisi@google.com@630680e5-0e50-0410-840e-4b1c322b438d> | 2010-11-02 13:14:58 +0000 |
commit | 33165fe0d5c265c92f2a67fc2b437b567c24e294 (patch) | |
tree | 52def0850ddd2e976da238d1a437fbda79c96e44 /src/google/protobuf/compiler/cpp/cpp_string_field.cc | |
parent | 80aa23df6c63750e8cdfdcf3996fbc37d63cac61 (diff) |
Submit recent changes from internal branch. See CHANGES.txt for more details.
Diffstat (limited to 'src/google/protobuf/compiler/cpp/cpp_string_field.cc')
-rw-r--r-- | src/google/protobuf/compiler/cpp/cpp_string_field.cc | 58 |
1 files changed, 35 insertions, 23 deletions
diff --git a/src/google/protobuf/compiler/cpp/cpp_string_field.cc b/src/google/protobuf/compiler/cpp/cpp_string_field.cc index ea6809a9..67d7eae6 100644 --- a/src/google/protobuf/compiler/cpp/cpp_string_field.cc +++ b/src/google/protobuf/compiler/cpp/cpp_string_field.cc @@ -50,6 +50,9 @@ void SetStringVariables(const FieldDescriptor* descriptor, SetCommonFieldVariables(descriptor, variables); (*variables)["default"] = "\"" + CEscape(descriptor->default_value_string()) + "\""; + (*variables)["default_variable"] = descriptor->default_value_string().empty() + ? "::google::protobuf::internal::kEmptyString" + : "_default_" + FieldName(descriptor) + "_"; (*variables)["pointer_type"] = descriptor->type() == FieldDescriptor::TYPE_BYTES ? "void" : "char"; } @@ -68,9 +71,10 @@ StringFieldGenerator::~StringFieldGenerator() {} void StringFieldGenerator:: GeneratePrivateMembers(io::Printer* printer) const { - printer->Print(variables_, - "::std::string* $name$_;\n" - "static const ::std::string _default_$name$_;\n"); + printer->Print(variables_, "::std::string* $name$_;\n"); + if (!descriptor_->default_value_string().empty()) { + printer->Print(variables_, "static const ::std::string $default_variable$;\n"); + } } void StringFieldGenerator:: @@ -105,7 +109,8 @@ GenerateAccessorDeclarations(io::Printer* printer) const { "inline void set_$name$(const char* value)$deprecation$;\n" "inline void set_$name$(const $pointer_type$* value, size_t size)" "$deprecation$;\n" - "inline ::std::string* mutable_$name$()$deprecation$;\n"); + "inline ::std::string* mutable_$name$()$deprecation$;\n" + "inline ::std::string* release_$name$()$deprecation$;\n"); if (descriptor_->options().ctype() != FieldOptions::STRING) { printer->Outdent(); @@ -121,51 +126,58 @@ GenerateInlineAccessorDefinitions(io::Printer* printer) const { " return *$name$_;\n" "}\n" "inline void $classname$::set_$name$(const ::std::string& value) {\n" - " _set_bit($index$);\n" - " if ($name$_ == &_default_$name$_) {\n" + " set_has_$name$();\n" + " if ($name$_ == &$default_variable$) {\n" " $name$_ = new ::std::string;\n" " }\n" " $name$_->assign(value);\n" "}\n" "inline void $classname$::set_$name$(const char* value) {\n" - " _set_bit($index$);\n" - " if ($name$_ == &_default_$name$_) {\n" + " set_has_$name$();\n" + " if ($name$_ == &$default_variable$) {\n" " $name$_ = new ::std::string;\n" " }\n" " $name$_->assign(value);\n" "}\n" "inline " "void $classname$::set_$name$(const $pointer_type$* value, size_t size) {\n" - " _set_bit($index$);\n" - " if ($name$_ == &_default_$name$_) {\n" + " set_has_$name$();\n" + " if ($name$_ == &$default_variable$) {\n" " $name$_ = new ::std::string;\n" " }\n" " $name$_->assign(reinterpret_cast<const char*>(value), size);\n" "}\n" "inline ::std::string* $classname$::mutable_$name$() {\n" - " _set_bit($index$);\n" - " if ($name$_ == &_default_$name$_) {\n"); + " set_has_$name$();\n" + " if ($name$_ == &$default_variable$) {\n"); if (descriptor_->default_value_string().empty()) { printer->Print(variables_, " $name$_ = new ::std::string;\n"); } else { printer->Print(variables_, - " $name$_ = new ::std::string(_default_$name$_);\n"); + " $name$_ = new ::std::string($default_variable$);\n"); } printer->Print(variables_, " }\n" " return $name$_;\n" + "}\n" + "inline ::std::string* $classname$::release_$name$() {\n" + " clear_has_$name$();\n" + " if ($name$_ == &$default_variable$) {\n" + " return NULL;\n" + " } else {\n" + " ::std::string* temp = $name$_;\n" + " $name$_ = const_cast< ::std::string*>(&$default_variable$);\n" + " return temp;\n" + " }\n" "}\n"); } void StringFieldGenerator:: GenerateNonInlineAccessorDefinitions(io::Printer* printer) const { - if (descriptor_->default_value_string().empty()) { - printer->Print(variables_, - "const ::std::string $classname$::_default_$name$_;\n"); - } else { + if (!descriptor_->default_value_string().empty()) { printer->Print(variables_, - "const ::std::string $classname$::_default_$name$_($default$);\n"); + "const ::std::string $classname$::$default_variable$($default$);\n"); } } @@ -173,13 +185,13 @@ void StringFieldGenerator:: GenerateClearingCode(io::Printer* printer) const { if (descriptor_->default_value_string().empty()) { printer->Print(variables_, - "if ($name$_ != &_default_$name$_) {\n" + "if ($name$_ != &$default_variable$) {\n" " $name$_->clear();\n" "}\n"); } else { printer->Print(variables_, - "if ($name$_ != &_default_$name$_) {\n" - " $name$_->assign(_default_$name$_);\n" + "if ($name$_ != &$default_variable$) {\n" + " $name$_->assign($default_variable$);\n" "}\n"); } } @@ -197,13 +209,13 @@ GenerateSwappingCode(io::Printer* printer) const { void StringFieldGenerator:: GenerateConstructorCode(io::Printer* printer) const { printer->Print(variables_, - "$name$_ = const_cast< ::std::string*>(&_default_$name$_);\n"); + "$name$_ = const_cast< ::std::string*>(&$default_variable$);\n"); } void StringFieldGenerator:: GenerateDestructorCode(io::Printer* printer) const { printer->Print(variables_, - "if ($name$_ != &_default_$name$_) {\n" + "if ($name$_ != &$default_variable$) {\n" " delete $name$_;\n" "}\n"); } |