Qualify uses of std::string within protobuf/compiler/ruby/...

src/google/protobuf/compiler/ruby/ruby_generator.cc

@@ -113,7 +113,7 @@ std::string TypeName(const FieldDescriptor* field) {
   }
 }
 
-string StringifySyntax(FileDescriptor::Syntax syntax) {
+std::string StringifySyntax(FileDescriptor::Syntax syntax) {
   switch (syntax) {
     case FileDescriptor::SYNTAX_PROTO2:
       return "proto2";
@@ -147,7 +147,7 @@ std::string DefaultValueForField(const FieldDescriptor* field) {
       return NumberToString(field->default_value_enum()->number());
     case FieldDescriptor::CPPTYPE_STRING: {
       std::ostringstream os;
-      string default_str = field->default_value_string();
+      std::string default_str = field->default_value_string();
 
       if (field->type() == FieldDescriptor::TYPE_STRING) {
         os << "\"" << default_str << "\"";
@@ -426,14 +426,14 @@ int GeneratePackageModules(const FileDescriptor* file, io::Printer* printer) {
   }
 
   // Use the appropriate delimiter
-  string delimiter = need_change_to_module ? "." : "::";
+  std::string delimiter = need_change_to_module ? "." : "::";
   int delimiter_size = need_change_to_module ? 1 : 2;
 
   // Extract each module name and indent
   while (!package_name.empty()) {
     size_t dot_index = package_name.find(delimiter);
-    string component;
-    if (dot_index == string::npos) {
+    std::string component;
+    if (dot_index == std::string::npos) {
       component = package_name;
       package_name = "";
     } else {
@@ -462,7 +462,7 @@ void EndPackageModules(int levels, io::Printer* printer) {
 }
 
 bool UsesTypeFromFile(const Descriptor* message, const FileDescriptor* file,
-                      string* error) {
+                      std::string* error) {
   for (int i = 0; i < message->field_count(); i++) {
     const FieldDescriptor* field = message->field(i);
     if ((field->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE &&
@@ -499,7 +499,7 @@ bool UsesTypeFromFile(const Descriptor* message, const FileDescriptor* file,
 bool MaybeEmitDependency(const FileDescriptor* import,
                          const FileDescriptor* from,
                          io::Printer* printer,
-                         string* error) {
+                         std::string* error) {
   if (from->syntax() == FileDescriptor::SYNTAX_PROTO3 &&
       import->syntax() == FileDescriptor::SYNTAX_PROTO2) {
     for (int i = 0; i < from->message_type_count(); i++) {
@@ -524,7 +524,7 @@ bool MaybeEmitDependency(const FileDescriptor* import,
 }
 
 bool GenerateFile(const FileDescriptor* file, io::Printer* printer,
-                  string* error) {
+                  std::string* error) {
   printer->Print(
     "# Generated by the protocol buffer compiler.  DO NOT EDIT!\n"
     "# source: $filename$\n"
@@ -580,9 +580,9 @@ bool GenerateFile(const FileDescriptor* file, io::Printer* printer,
 
 bool Generator::Generate(
     const FileDescriptor* file,
-    const string& parameter,
+    const std::string& parameter,
     GeneratorContext* generator_context,
-    string* error) const {
+    std::string* error) const {
 
   if (file->syntax() != FileDescriptor::SYNTAX_PROTO3 &&
       file->syntax() != FileDescriptor::SYNTAX_PROTO2) {

src/google/protobuf/compiler/ruby/ruby_generator.h

@@ -49,9 +49,9 @@ namespace ruby {
 // Ruby output, you can do so by registering an instance of this
 // CodeGenerator with the CommandLineInterface in your main() function.
 class PROTOC_EXPORT Generator : public CodeGenerator {
-  bool Generate(const FileDescriptor* file, const string& parameter,
+  bool Generate(const FileDescriptor* file, const std::string& parameter,
                 GeneratorContext* generator_context,
-                string* error) const override;
+                std::string* error) const override;
   uint64_t GetSupportedFeatures() const override {
     return FEATURE_PROTO3_OPTIONAL;
   }
@@ -65,4 +65,3 @@ class PROTOC_EXPORT Generator : public CodeGenerator {
 #include <google/protobuf/port_undef.inc>
 
 #endif  // GOOGLE_PROTOBUF_COMPILER_RUBY_GENERATOR_H__
-