cmSourceGroup: Return strings from GetName and GetFullName

Source/cmGhsMultiTargetGenerator.cxx

@@ -489,7 +489,7 @@ void cmGhsMultiTargetGenerator::WriteSources(
     char const* sourceFullPath = (*si)->GetFullPath().c_str();
     cmSourceGroup* sourceGroup =
       this->Makefile->FindSourceGroup(sourceFullPath, sourceGroups);
-    std::string sgPath(sourceGroup->GetFullName());
+    std::string sgPath = sourceGroup->GetFullName();
     cmSystemTools::ConvertToUnixSlashes(sgPath);
     cmGlobalGhsMultiGenerator::AddFilesUpToPath(
       this->GetFolderBuildStreams(), &this->FolderBuildStreams,
@@ -608,7 +608,7 @@ std::string cmGhsMultiTargetGenerator::ComputeLongestObjectDirectory(
   cmSourceGroup* sourceGroup =
     localGhsMultiGenerator->GetMakefile()->FindSourceGroup(sourceFullPath,
                                                            sourceGroups);
-  std::string const sgPath(sourceGroup->GetFullName());
+  std::string const& sgPath = sourceGroup->GetFullName();
   dir_max += sgPath;
   dir_max += "/Objs/libs/";
   dir_max += generatorTarget->Target->GetName();

Source/cmGlobalXCodeGenerator.cxx

@@ -2797,13 +2797,13 @@ cmXCodeObject* cmGlobalXCodeGenerator::CreateOrGetPBXGroup(
   // If it's the default source group (empty name) then put the source file
   // directly in the tgroup...
   //
-  if (std::string(sg->GetFullName()).empty()) {
+  if (sg->GetFullName().empty()) {
     this->GroupNameMap[s] = tgroup;
     return tgroup;
   }
 
   // It's a recursive folder structure, let's find the real parent group
-  if (std::string(sg->GetFullName()) != std::string(sg->GetName())) {
+  if (sg->GetFullName() != sg->GetName()) {
     std::string curr_folder = target;
     curr_folder += "/";
     for (auto const& folder :

Source/cmLocalVisualStudio7Generator.cxx

@@ -1600,7 +1600,7 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
   }
 
   // If the group has a name, write the header.
-  std::string name = sg->GetName();
+  std::string const& name = sg->GetName();
   if (!name.empty()) {
     this->WriteVCProjBeginGroup(fout, name.c_str(), "");
   }

Source/cmMakefile.cxx

@@ -1950,7 +1950,7 @@ cmSourceGroup* cmMakefile::GetSourceGroup(
 
   // first look for source group starting with the same as the one we want
   for (cmSourceGroup const& srcGroup : this->SourceGroups) {
-    std::string sgName = srcGroup.GetName();
+    std::string const& sgName = srcGroup.GetName();
     if (sgName == name[0]) {
       sg = const_cast<cmSourceGroup*>(&srcGroup);
       break;
@@ -2014,7 +2014,8 @@ void cmMakefile::AddSourceGroup(const std::vector<std::string>& name,
   }
   // build the whole source group path
   for (++i; i <= lastElement; ++i) {
-    sg->AddChild(cmSourceGroup(name[i].c_str(), nullptr, sg->GetFullName()));
+    sg->AddChild(
+      cmSourceGroup(name[i].c_str(), nullptr, sg->GetFullName().c_str()));
     sg = sg->LookupChild(name[i].c_str());
   }
 

Source/cmSourceGroup.cxx

@@ -60,14 +60,14 @@ void cmSourceGroup::AddGroupFile(const std::string& name)
   this->GroupFiles.insert(name);
 }
 
-const char* cmSourceGroup::GetName() const
+std::string const& cmSourceGroup::GetName() const
 {
-  return this->Name.c_str();
+  return this->Name;
 }
 
-const char* cmSourceGroup::GetFullName() const
+std::string const& cmSourceGroup::GetFullName() const
 {
-  return this->FullName.c_str();
+  return this->FullName;
 }
 
 bool cmSourceGroup::MatchesRegex(const char* name)
@@ -105,7 +105,7 @@ cmSourceGroup* cmSourceGroup::LookupChild(const char* name) const
 
   // st
   for (; iter != end; ++iter) {
-    std::string sgName = iter->GetName();
+    std::string const& sgName = iter->GetName();
 
     // look if descenened is the one were looking for
     if (sgName == name) {

Source/cmSourceGroup.h

@@ -55,12 +55,12 @@ public:
   /**
    * Get the name of this group.
    */
-  const char* GetName() const;
+  std::string const& GetName() const;
 
   /**
    * Get the full path name for group.
    */
-  const char* GetFullName() const;
+  std::string const& GetFullName() const;
 
   /**
    * Check if the given name matches this group's regex.

Source/cmVisualStudio10TargetGenerator.cxx

@@ -1472,8 +1472,8 @@ void cmVisualStudio10TargetGenerator::WriteGroups()
   for (std::set<cmSourceGroup*>::iterator g = groupsUsed.begin();
        g != groupsUsed.end(); ++g) {
     cmSourceGroup* sg = *g;
-    const char* name = sg->GetFullName();
-    if (strlen(name) != 0) {
+    std::string const& name = sg->GetFullName();
+    if (!name.empty()) {
       this->WriteString("<Filter Include=\"", 2);
       (*this->BuildFileStream) << name << "\">\n";
       std::string guidName = "SG_Filter_";
@@ -1558,12 +1558,12 @@ void cmVisualStudio10TargetGenerator::WriteGroupSources(
     std::string const& source = sf->GetFullPath();
     cmSourceGroup* sourceGroup =
       this->Makefile->FindSourceGroup(source.c_str(), sourceGroups);
-    const char* filter = sourceGroup->GetFullName();
+    std::string const& filter = sourceGroup->GetFullName();
     this->WriteString("<", 2);
     std::string path = this->ConvertPath(source, s->RelativePath);
     this->ConvertToWindowsSlash(path);
     (*this->BuildFileStream) << name << " Include=\"" << cmVS10EscapeXML(path);
-    if (strlen(filter)) {
+    if (!filter.empty()) {
       (*this->BuildFileStream) << "\">\n";
       this->WriteString("<Filter>", 3);
       (*this->BuildFileStream) << filter << "</Filter>\n";