ENH: Simplify Xcode CreateBuildSettings method

The cmGlobalXCodeGenerator::CreateBuildSettings had the three arguments
productName, productType, and fileType that returned information used by only
one of the call sites.  This change refactors that information into separate
methods named accordingly.

Source/cmGlobalXCodeGenerator.cxx

@@ -1375,9 +1375,6 @@ void  cmGlobalXCodeGenerator
 //----------------------------------------------------------------------------
 void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
                                                  cmXCodeObject* buildSettings,
-                                                 std::string& fileType,
-                                                 std::string& productType,
-                                                 std::string& productName,
                                                  const char* configName)
 {
   std::string flags;
@@ -1457,9 +1454,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
     extraLinkOptions += targetLinkFlags;
     }
 
-  // The product name is the full name of the target for this configuration.
-  productName = target.GetFullName(configName);
-
   // Get the product name components.
   std::string pnprefix;
   std::string pnbase;
@@ -1490,9 +1484,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
     {
     case cmTarget::STATIC_LIBRARY:
     {
-    fileType = "archive.ar";
-    productType = "com.apple.product-type.library.static";
-
     buildSettings->AddAttribute("LIBRARY_STYLE", 
                                 this->CreateString("STATIC"));
     break;
@@ -1504,9 +1495,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
                                 this->CreateString("BUNDLE"));
     if(this->XcodeVersion >= 22)
       {
-      fileType = "compiled.mach-o.executable";
-      productType = "com.apple.product-type.tool";
-
       buildSettings->AddAttribute("MACH_O_TYPE", 
                                   this->CreateString("mh_bundle"));
       buildSettings->AddAttribute("GCC_DYNAMIC_NO_PIC", 
@@ -1522,9 +1510,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
       }
     else
       {
-      fileType = "compiled.mach-o.dylib";
-      productType = "com.apple.product-type.library.dynamic";
-
       // Add the flags to create a module.
       std::string createFlags =
         this->LookupFlags("CMAKE_SHARED_MODULE_CREATE_", lang, "_FLAGS",
@@ -1541,9 +1526,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
     {
     if(target.GetPropertyAsBool("FRAMEWORK"))
       {
-      fileType = "wrapper.framework";
-      productType = "com.apple.product-type.framework";
-
       std::string version = target.GetFrameworkVersion();
       buildSettings->AddAttribute("FRAMEWORK_VERSION",
                                   this->CreateString(version.c_str()));
@@ -1562,9 +1544,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
       }
     else
       {
-      fileType = "compiled.mach-o.dylib";
-      productType = "com.apple.product-type.library.dynamic";
-
       // Add the flags to create a shared library.
       std::string createFlags =
         this->LookupFlags("CMAKE_SHARED_LIBRARY_CREATE_", lang, "_FLAGS",
@@ -1582,8 +1561,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
     }
     case cmTarget::EXECUTABLE:
     {
-    fileType = "compiled.mach-o.executable";
-
     // Add the flags to create an executable.
     std::string createFlags =
       this->LookupFlags("CMAKE_", lang, "_LINK_FLAGS", "");
@@ -1596,7 +1573,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
     // Handle bundles and normal executables separately.
     if(target.GetPropertyAsBool("MACOSX_BUNDLE"))
       {
-      productType = "com.apple.product-type.application";
       std::string plist = this->ComputeInfoPListLocation(target);
       // Xcode will create the final version of Info.plist at build time,
       // so let it replace the executable name.  This avoids creating
@@ -1610,10 +1586,6 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
                                   this->CreateString(path.c_str()));
 
       }
-    else
-      {
-      productType = "com.apple.product-type.tool";
-      }
     }
     break;
     default:
@@ -1754,7 +1726,7 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmTarget& target,
       // is not given or is empty.  We must explicitly put the flag in the
       // link flags to create an install_name with just the library soname.
       extraLinkOptions += " -install_name ";
-      extraLinkOptions += productName;
+      extraLinkOptions += target.GetFullName(configName);
       }
     else
       {
@@ -1869,9 +1841,6 @@ cmGlobalXCodeGenerator::CreateUtilityTarget(cmTarget& cmtarget)
   target->AddAttribute("buildPhases", buildPhases);
   cmXCodeObject* buildSettings =
     this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
-  std::string fileTypeString;
-  std::string productTypeString;
-  std::string productName;
   const char* globalConfig = 0;
   if(this->XcodeVersion > 20)
     {
@@ -1881,9 +1850,7 @@ cmGlobalXCodeGenerator::CreateUtilityTarget(cmTarget& cmtarget)
     {
     globalConfig = this->CurrentMakefile->GetDefinition("CMAKE_BUILD_TYPE");  
     }
-  this->CreateBuildSettings(cmtarget, 
-                            buildSettings, fileTypeString, 
-                            productTypeString, productName, globalConfig);
+  this->CreateBuildSettings(cmtarget, buildSettings, globalConfig);
   target->AddAttribute("buildSettings", buildSettings);
   cmXCodeObject* dependencies = 
     this->CreateObject(cmXCodeObject::OBJECT_LIST);
@@ -1939,12 +1906,7 @@ void cmGlobalXCodeGenerator::AddConfigurations(cmXCodeObject* target,
     buildConfigurations->AddObject(config);
     cmXCodeObject* buildSettings =
       this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
-    std::string fileTypeString;
-    std::string productTypeString;
-    std::string productName;
-    this->CreateBuildSettings(cmtarget, 
-                              buildSettings, fileTypeString, 
-                              productTypeString, productName,
+    this->CreateBuildSettings(cmtarget, buildSettings,
                               configVector[i].c_str());
     config->AddAttribute("name", this->CreateString(configVector[i].c_str()));
     config->SetComment(configVector[i].c_str());
@@ -1959,6 +1921,49 @@ void cmGlobalXCodeGenerator::AddConfigurations(cmXCodeObject* target,
     }
 }
 
+//----------------------------------------------------------------------------
+const char* cmGlobalXCodeGenerator::GetTargetFileType(cmTarget& cmtarget)
+{
+  switch(cmtarget.GetType())
+    {
+    case cmTarget::STATIC_LIBRARY:
+      return "archive.ar";
+    case cmTarget::MODULE_LIBRARY:
+      return ((this->XcodeVersion >= 22)?
+              "compiled.mach-o.executable" : "compiled.mach-o.dylib");
+    case cmTarget::SHARED_LIBRARY:
+      return (cmtarget.GetPropertyAsBool("FRAMEWORK")?
+              "wrapper.framework" : "compiled.mach-o.dylib");
+    case cmTarget::EXECUTABLE:
+      return "compiled.mach-o.executable";
+    default: break;
+    }
+  return 0;
+}
+
+//----------------------------------------------------------------------------
+const char* cmGlobalXCodeGenerator::GetTargetProductType(cmTarget& cmtarget)
+{
+  switch(cmtarget.GetType())
+    {
+    case cmTarget::STATIC_LIBRARY:
+      return "com.apple.product-type.library.static";
+    case cmTarget::MODULE_LIBRARY:
+      return ((this->XcodeVersion >= 22)? "com.apple.product-type.tool" :
+              "com.apple.product-type.library.dynamic");
+    case cmTarget::SHARED_LIBRARY:
+      return (cmtarget.GetPropertyAsBool("FRAMEWORK")?
+              "com.apple.product-type.framework" :
+              "com.apple.product-type.library.dynamic");
+    case cmTarget::EXECUTABLE:
+      return (cmtarget.GetPropertyAsBool("MACOSX_BUNDLE")?
+              "com.apple.product-type.application" :
+              "com.apple.product-type.tool");
+    default: break;
+    }
+  return 0;
+}
+
 //----------------------------------------------------------------------------
 cmXCodeObject*
 cmGlobalXCodeGenerator::CreateXCodeTarget(cmTarget& cmtarget,
@@ -1971,9 +1976,6 @@ cmGlobalXCodeGenerator::CreateXCodeTarget(cmTarget& cmtarget,
   target->AddAttribute("buildRules", buildRules);
   cmXCodeObject* buildSettings =
     this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
-  std::string fileTypeString;
-  std::string productTypeString;
-  std::string productName;
   const char* globalConfig = 0;
   if(this->XcodeVersion > 20)
     {
@@ -1983,9 +1985,7 @@ cmGlobalXCodeGenerator::CreateXCodeTarget(cmTarget& cmtarget,
     {
     globalConfig = this->CurrentMakefile->GetDefinition("CMAKE_BUILD_TYPE");  
     }
-  this->CreateBuildSettings(cmtarget, 
-                            buildSettings, fileTypeString, 
-                            productTypeString, productName, globalConfig);
+  this->CreateBuildSettings(cmtarget, buildSettings, globalConfig);
   target->AddAttribute("buildSettings", buildSettings);
   cmXCodeObject* dependencies = 
     this->CreateObject(cmXCodeObject::OBJECT_LIST);
@@ -1995,17 +1995,22 @@ cmGlobalXCodeGenerator::CreateXCodeTarget(cmTarget& cmtarget,
 
   cmXCodeObject* fileRef = 
     this->CreateObject(cmXCodeObject::PBXFileReference);
-  fileRef->AddAttribute("explicitFileType", 
-                        this->CreateString(fileTypeString.c_str()));
-  fileRef->AddAttribute("path", this->CreateString(productName.c_str()));
+  if(const char* fileType = this->GetTargetFileType(cmtarget))
+    {
+    fileRef->AddAttribute("explicitFileType", this->CreateString(fileType));
+    }
+  std::string fullName = cmtarget.GetFullName(globalConfig);
+  fileRef->AddAttribute("path", this->CreateString(fullName.c_str()));
   fileRef->AddAttribute("refType", this->CreateString("0"));
   fileRef->AddAttribute("sourceTree",
                         this->CreateString("BUILT_PRODUCTS_DIR"));
   fileRef->SetComment(cmtarget.GetName());
   target->AddAttribute("productReference", 
                        this->CreateObjectReference(fileRef));
-  target->AddAttribute("productType", 
-                       this->CreateString(productTypeString.c_str()));
+  if(const char* productType = this->GetTargetProductType(cmtarget))
+    {
+    target->AddAttribute("productType", this->CreateString(productType));
+    }
   target->SetTarget(&cmtarget);
   return target;
 }

Source/cmGlobalXCodeGenerator.h

@@ -128,6 +128,8 @@ private:
   cmXCodeObject* CreateObjectReference(cmXCodeObject*);
   cmXCodeObject* CreateXCodeTarget(cmTarget& target,
                                    cmXCodeObject* buildPhases);
+  const char* GetTargetFileType(cmTarget& cmtarget);
+  const char* GetTargetProductType(cmTarget& cmtarget);
   void AddConfigurations(cmXCodeObject* target,
                          cmTarget& cmtarget);
   void AppendOrAddBuildSetting(cmXCodeObject* settings, const char* attr, 
@@ -138,9 +140,6 @@ private:
   void AddDependAndLinkInformation(cmXCodeObject* target);
   void CreateBuildSettings(cmTarget& target,
                            cmXCodeObject* buildSettings,
-                           std::string& fileType,
-                           std::string& productType,
-                           std::string& projectName,
                            const char* buildType);
   std::string ExtractFlag(const char* flag, std::string& flags);
   // delete all objects in the this->XCodeObjects vector.