CPackIFW: Refactor out some commonly used code

Move common used code to new cmCPackIFWCommon base class.

11 files changed, 251 insertions, 326 deletions

diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 1ea75bf..40403ca 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -867,10 +867,6 @@ set(CPACK_SRCS
   CPack/cmCPackGenerator.cxx
   CPack/cmCPackLog.cxx
   CPack/cmCPackNSISGenerator.cxx
-  CPack/IFW/cmCPackIFWPackage.cxx
-  CPack/IFW/cmCPackIFWInstaller.cxx
-  CPack/IFW/cmCPackIFWRepository.cxx
-  CPack/IFW/cmCPackIFWGenerator.cxx
   CPack/cmCPackSTGZGenerator.cxx
   CPack/cmCPackTGZGenerator.cxx
   CPack/cmCPackTXZGenerator.cxx
@@ -879,6 +875,19 @@ set(CPACK_SRCS
   CPack/cmCPackZIPGenerator.cxx
   CPack/cmCPack7zGenerator.cxx
   )
+# CPack IFW generator
+set(CPACK_SRCS ${CPACK_SRCS}
+  CPack/IFW/cmCPackIFWCommon.cxx
+  CPack/IFW/cmCPackIFWCommon.h
+  CPack/IFW/cmCPackIFWGenerator.cxx
+  CPack/IFW/cmCPackIFWGenerator.h
+  CPack/IFW/cmCPackIFWInstaller.cxx
+  CPack/IFW/cmCPackIFWInstaller.h
+  CPack/IFW/cmCPackIFWPackage.cxx
+  CPack/IFW/cmCPackIFWPackage.h
+  CPack/IFW/cmCPackIFWRepository.cxx
+  CPack/IFW/cmCPackIFWRepository.h
+  )
 
 if(CYGWIN)
   set(CPACK_SRCS ${CPACK_SRCS}
diff --git a/Source/CPack/IFW/cmCPackIFWCommon.cxx b/Source/CPack/IFW/cmCPackIFWCommon.cxx
new file mode 100644
index 0000000..60954ea
--- /dev/null
+++ b/Source/CPack/IFW/cmCPackIFWCommon.cxx
@@ -0,0 +1,86 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmCPackIFWCommon.h"
+
+#include "cmCPackGenerator.h"
+#include "cmCPackIFWGenerator.h"
+#include "cmCPackLog.h" // IWYU pragma: keep
+#include "cmSystemTools.h"
+#include "cmTimestamp.h"
+#include "cmVersionConfig.h"
+#include "cmXMLWriter.h"
+
+#include <sstream>
+
+cmCPackIFWCommon::cmCPackIFWCommon()
+  : Generator(CM_NULLPTR)
+{
+}
+
+const char* cmCPackIFWCommon::GetOption(const std::string& op) const
+{
+  return Generator ? Generator->cmCPackGenerator::GetOption(op) : CM_NULLPTR;
+}
+
+bool cmCPackIFWCommon::IsOn(const std::string& op) const
+{
+  return Generator ? Generator->cmCPackGenerator::IsOn(op) : false;
+}
+
+bool cmCPackIFWCommon::IsSetToOff(const std::string& op) const
+{
+  return Generator ? Generator->cmCPackGenerator::IsSetToOff(op) : false;
+}
+
+bool cmCPackIFWCommon::IsSetToEmpty(const std::string& op) const
+{
+  return Generator ? Generator->cmCPackGenerator::IsSetToEmpty(op) : false;
+}
+
+bool cmCPackIFWCommon::IsVersionLess(const char* version)
+{
+  if (!Generator) {
+    return false;
+  }
+
+  return cmSystemTools::VersionCompare(
+    cmSystemTools::OP_LESS, Generator->FrameworkVersion.data(), version);
+}
+
+bool cmCPackIFWCommon::IsVersionGreater(const char* version)
+{
+  if (!Generator) {
+    return false;
+  }
+
+  return cmSystemTools::VersionCompare(
+    cmSystemTools::OP_GREATER, Generator->FrameworkVersion.data(), version);
+}
+
+bool cmCPackIFWCommon::IsVersionEqual(const char* version)
+{
+  if (!Generator) {
+    return false;
+  }
+
+  return cmSystemTools::VersionCompare(
+    cmSystemTools::OP_EQUAL, Generator->FrameworkVersion.data(), version);
+}
+
+void cmCPackIFWCommon::WriteGeneratedByToStrim(cmXMLWriter& xout)
+{
+  if (!Generator) {
+    return;
+  }
+
+  std::ostringstream comment;
+  comment << "Generated by CPack " << CMake_VERSION << " IFW generator "
+          << "for QtIFW ";
+  if (IsVersionEqual("1.9.9")) {
+    comment << "less 2.0";
+  } else {
+    comment << Generator->FrameworkVersion;
+  }
+  comment << " tools at " << cmTimestamp().CurrentTime("", true);
+  xout.Comment(comment.str().c_str());
+}
diff --git a/Source/CPack/IFW/cmCPackIFWCommon.h b/Source/CPack/IFW/cmCPackIFWCommon.h
new file mode 100644
index 0000000..66b6e89
--- /dev/null
+++ b/Source/CPack/IFW/cmCPackIFWCommon.h
@@ -0,0 +1,65 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#ifndef cmCPackIFWCommon_h
+#define cmCPackIFWCommon_h
+
+#include "cmConfigure.h" // IWYU pragma: keep
+
+#include <string>
+
+class cmCPackIFWGenerator;
+class cmXMLWriter;
+
+/** \class cmCPackIFWCommon
+ * \brief A base class for CPack IFW generator implementation subclasses
+ */
+class cmCPackIFWCommon
+{
+public:
+  // Constructor
+
+  /**
+   * Construct Part
+   */
+  cmCPackIFWCommon();
+
+public:
+  // Internal implementation
+
+  const char* GetOption(const std::string& op) const;
+  bool IsOn(const std::string& op) const;
+  bool IsSetToOff(const std::string& op) const;
+  bool IsSetToEmpty(const std::string& op) const;
+
+  /**
+   * Compare \a version with QtIFW framework version
+   */
+  bool IsVersionLess(const char* version);
+
+  /**
+   * Compare \a version with QtIFW framework version
+   */
+  bool IsVersionGreater(const char* version);
+
+  /**
+   * Compare \a version with QtIFW framework version
+   */
+  bool IsVersionEqual(const char* version);
+
+  cmCPackIFWGenerator* Generator;
+
+protected:
+  void WriteGeneratedByToStrim(cmXMLWriter& xout);
+};
+
+#define cmCPackIFWLogger(logType, msg)                                        \
+  do {                                                                        \
+    std::ostringstream cmCPackLog_msg;                                        \
+    cmCPackLog_msg << msg;                                                    \
+    if (Generator) {                                                          \
+      Generator->Logger->Log(cmCPackLog::LOG_##logType, __FILE__, __LINE__,   \
+                             cmCPackLog_msg.str().c_str());                   \
+    }                                                                         \
+  } while (false)
+
+#endif // cmCPackIFWCommon_h
diff --git a/Source/CPack/IFW/cmCPackIFWGenerator.cxx b/Source/CPack/IFW/cmCPackIFWGenerator.cxx
index fa8982f..a9628d6 100644
--- a/Source/CPack/IFW/cmCPackIFWGenerator.cxx
+++ b/Source/CPack/IFW/cmCPackIFWGenerator.cxx
@@ -4,48 +4,29 @@
 
 #include "cmCPackComponentGroup.h"
 #include "cmCPackGenerator.h"
+#include "cmCPackIFWCommon.h"
 #include "cmCPackIFWInstaller.h"
 #include "cmCPackIFWPackage.h"
 #include "cmCPackIFWRepository.h"
-#include "cmCPackLog.h"
+#include "cmCPackLog.h" // IWYU pragma: keep
 #include "cmGeneratedFileStream.h"
 #include "cmSystemTools.h"
-#include "cmTimestamp.h"
-#include "cmVersionConfig.h"
-#include "cmXMLWriter.h"
 
 #include <sstream>
 #include <utility>
 
 cmCPackIFWGenerator::cmCPackIFWGenerator()
 {
+  Generator = this;
 }
 
 cmCPackIFWGenerator::~cmCPackIFWGenerator()
 {
 }
 
-bool cmCPackIFWGenerator::IsVersionLess(const char* version)
-{
-  return cmSystemTools::VersionCompare(cmSystemTools::OP_LESS,
-                                       FrameworkVersion.data(), version);
-}
-
-bool cmCPackIFWGenerator::IsVersionGreater(const char* version)
-{
-  return cmSystemTools::VersionCompare(cmSystemTools::OP_GREATER,
-                                       FrameworkVersion.data(), version);
-}
-
-bool cmCPackIFWGenerator::IsVersionEqual(const char* version)
-{
-  return cmSystemTools::VersionCompare(cmSystemTools::OP_EQUAL,
-                                       FrameworkVersion.data(), version);
-}
-
 int cmCPackIFWGenerator::PackageFiles()
 {
-  cmCPackLogger(cmCPackLog::LOG_OUTPUT, "- Configuration" << std::endl);
+  cmCPackIFWLogger(OUTPUT, "- Configuration" << std::endl);
 
   // Installer configuragion
   Installer.GenerateInstallerFile();
@@ -85,11 +66,10 @@ int cmCPackIFWGenerator::PackageFiles()
       }
     }
     ifwCmd += " " + this->toplevel + "/repository";
-    cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Execute: " << ifwCmd << std::endl);
+    cmCPackIFWLogger(VERBOSE, "Execute: " << ifwCmd << std::endl);
     std::string output;
     int retVal = 1;
-    cmCPackLogger(cmCPackLog::LOG_OUTPUT, "- Generate repository"
-                    << std::endl);
+    cmCPackIFWLogger(OUTPUT, "- Generate repository" << std::endl);
     bool res = cmSystemTools::RunSingleCommand(ifwCmd.c_str(), &output,
                                                &output, &retVal, CM_NULLPTR,
                                                this->GeneratorVerbose, 0);
@@ -98,22 +78,24 @@ int cmCPackIFWGenerator::PackageFiles()
       ofs << "# Run command: " << ifwCmd << std::endl
           << "# Output:" << std::endl
           << output << std::endl;
-      cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running IFW command: "
-                      << ifwCmd << std::endl
-                      << "Please check " << ifwTmpFile << " for errors"
-                      << std::endl);
+      cmCPackIFWLogger(ERROR, "Problem running IFW command: "
+                         << ifwCmd << std::endl
+                         << "Please check " << ifwTmpFile << " for errors"
+                         << std::endl);
       return 0;
     }
 
     if (!Repository.RepositoryUpdate.empty() &&
         !Repository.PatchUpdatesXml()) {
-      cmCPackLogger(cmCPackLog::LOG_WARNING, "Problem patch IFW \"Updates\" "
-                      << "file: " << this->toplevel + "/repository/Updates.xml"
-                      << std::endl);
+      cmCPackIFWLogger(WARNING, "Problem patch IFW \"Updates\" "
+                         << "file: "
+                         << this->toplevel + "/repository/Updates.xml"
+                         << std::endl);
     }
 
-    cmCPackLogger(cmCPackLog::LOG_OUTPUT, "- repository: "
-                    << this->toplevel << "/repository generated" << std::endl);
+    cmCPackIFWLogger(OUTPUT, "- repository: " << this->toplevel
+                                              << "/repository generated"
+                                              << std::endl);
   }
 
   // Run binary creator
@@ -177,10 +159,10 @@ int cmCPackIFWGenerator::PackageFiles()
     } else {
       ifwCmd += " installer";
     }
-    cmCPackLogger(cmCPackLog::LOG_VERBOSE, "Execute: " << ifwCmd << std::endl);
+    cmCPackIFWLogger(VERBOSE, "Execute: " << ifwCmd << std::endl);
     std::string output;
     int retVal = 1;
-    cmCPackLogger(cmCPackLog::LOG_OUTPUT, "- Generate package" << std::endl);
+    cmCPackIFWLogger(OUTPUT, "- Generate package" << std::endl);
     bool res = cmSystemTools::RunSingleCommand(ifwCmd.c_str(), &output,
                                                &output, &retVal, CM_NULLPTR,
                                                this->GeneratorVerbose, 0);
@@ -189,10 +171,10 @@ int cmCPackIFWGenerator::PackageFiles()
       ofs << "# Run command: " << ifwCmd << std::endl
           << "# Output:" << std::endl
           << output << std::endl;
-      cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem running IFW command: "
-                      << ifwCmd << std::endl
-                      << "Please check " << ifwTmpFile << " for errors"
-                      << std::endl);
+      cmCPackIFWLogger(ERROR, "Problem running IFW command: "
+                         << ifwCmd << std::endl
+                         << "Please check " << ifwTmpFile << " for errors"
+                         << std::endl);
       return 0;
     }
   }
@@ -243,10 +225,9 @@ int cmCPackIFWGenerator::InitializeInternal()
   }
 
   if (BinCreator.empty()) {
-    cmCPackLogger(cmCPackLog::LOG_ERROR,
-                  "Cannot find QtIFW compiler \"binarycreator\": "
-                  "likely it is not installed, or not in your PATH"
-                    << std::endl);
+    cmCPackIFWLogger(ERROR, "Cannot find QtIFW compiler \"binarycreator\": "
+                            "likely it is not installed, or not in your PATH"
+                       << std::endl);
     return 0;
   }
 
@@ -309,10 +290,10 @@ int cmCPackIFWGenerator::InitializeInternal()
   }
 
   if (!Installer.RemoteRepositories.empty() && RepoGen.empty()) {
-    cmCPackLogger(cmCPackLog::LOG_ERROR,
-                  "Cannot find QtIFW repository generator \"repogen\": "
-                  "likely it is not installed, or not in your PATH"
-                    << std::endl);
+    cmCPackIFWLogger(ERROR,
+                     "Cannot find QtIFW repository generator \"repogen\": "
+                     "likely it is not installed, or not in your PATH"
+                       << std::endl);
     return 0;
   }
 
@@ -381,9 +362,9 @@ cmCPackComponent* cmCPackIFWGenerator::GetComponent(
     }
   } else {
     Packages.erase(name);
-    cmCPackLogger(cmCPackLog::LOG_ERROR, "Cannot configure package \""
-                    << name << "\" for component \"" << component->Name << "\""
-                    << std::endl);
+    cmCPackIFWLogger(ERROR, "Cannot configure package \""
+                       << name << "\" for component \"" << component->Name
+                       << "\"" << std::endl);
   }
 
   return component;
@@ -416,9 +397,9 @@ cmCPackComponentGroup* cmCPackIFWGenerator::GetComponentGroup(
     BinaryPackages.insert(package);
   } else {
     Packages.erase(name);
-    cmCPackLogger(cmCPackLog::LOG_ERROR, "Cannot configure package \""
-                    << name << "\" for component group \"" << group->Name
-                    << "\"" << std::endl);
+    cmCPackIFWLogger(ERROR, "Cannot configure package \""
+                       << name << "\" for component group \"" << group->Name
+                       << "\"" << std::endl);
   }
   return group;
 }
@@ -561,24 +542,10 @@ cmCPackIFWRepository* cmCPackIFWGenerator::GetRepository(
   } else {
     Repositories.erase(repositoryName);
     repository = CM_NULLPTR;
-    cmCPackLogger(cmCPackLog::LOG_WARNING, "Invalid repository \""
-                    << repositoryName << "\""
-                    << " configuration. Repository will be skipped."
-                    << std::endl);
+    cmCPackIFWLogger(WARNING, "Invalid repository \""
+                       << repositoryName << "\""
+                       << " configuration. Repository will be skipped."
+                       << std::endl);
   }
   return repository;
 }
-
-void cmCPackIFWGenerator::WriteGeneratedByToStrim(cmXMLWriter& xout)
-{
-  std::ostringstream comment;
-  comment << "Generated by CPack " << CMake_VERSION << " IFW generator "
-          << "for QtIFW ";
-  if (IsVersionLess("2.0")) {
-    comment << "less 2.0";
-  } else {
-    comment << FrameworkVersion;
-  }
-  comment << " tools at " << cmTimestamp().CurrentTime("", true);
-  xout.Comment(comment.str().c_str());
-}
diff --git a/Source/CPack/IFW/cmCPackIFWGenerator.h b/Source/CPack/IFW/cmCPackIFWGenerator.h
index 688db4b..8348cee 100644
--- a/Source/CPack/IFW/cmCPackIFWGenerator.h
+++ b/Source/CPack/IFW/cmCPackIFWGenerator.h
@@ -3,10 +3,11 @@
 #ifndef cmCPackIFWGenerator_h
 #define cmCPackIFWGenerator_h
 
-#include "cmConfigure.h"
+#include "cmConfigure.h" // IWYU pragma: keep
 
 #include "cmCPackComponentGroup.h"
 #include "cmCPackGenerator.h"
+#include "cmCPackIFWCommon.h"
 #include "cmCPackIFWInstaller.h"
 #include "cmCPackIFWPackage.h"
 #include "cmCPackIFWRepository.h"
@@ -16,14 +17,12 @@
 #include <string>
 #include <vector>
 
-class cmXMLWriter;
-
 /** \class cmCPackIFWGenerator
  * \brief A generator for Qt Installer Framework tools
  *
  * http://qt-project.org/doc/qtinstallerframework/index.html
  */
-class cmCPackIFWGenerator : public cmCPackGenerator
+class cmCPackIFWGenerator : public cmCPackGenerator, public cmCPackIFWCommon
 {
 public:
   cmCPackTypeMacro(cmCPackIFWGenerator, cmCPackGenerator);
@@ -35,6 +34,11 @@ public:
   typedef std::map<std::string, cmCPackIFWPackage::DependenceStruct>
     DependenceMap;
 
+  using cmCPackIFWCommon::GetOption;
+  using cmCPackIFWCommon::IsOn;
+  using cmCPackIFWCommon::IsSetToOff;
+  using cmCPackIFWCommon::IsSetToEmpty;
+
   /**
    * Construct IFW generator
    */
@@ -45,21 +49,6 @@ public:
    */
   ~cmCPackIFWGenerator() CM_OVERRIDE;
 
-  /**
-   * Compare \a version with QtIFW framework version
-   */
-  bool IsVersionLess(const char* version);
-
-  /**
-   * Compare \a version with QtIFW framework version
-   */
-  bool IsVersionGreater(const char* version);
-
-  /**
-   * Compare \a version with QtIFW framework version
-   */
-  bool IsVersionEqual(const char* version);
-
 protected:
   // cmCPackGenerator reimplementation
 
@@ -124,12 +113,11 @@ protected:
 
   cmCPackIFWRepository* GetRepository(const std::string& repositoryName);
 
-  void WriteGeneratedByToStrim(cmXMLWriter& xout);
-
 protected:
   // Data
 
   friend class cmCPackIFWPackage;
+  friend class cmCPackIFWCommon;
   friend class cmCPackIFWInstaller;
   friend class cmCPackIFWRepository;
 
diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.cxx b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
index 5e5f066..317137f 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.cxx
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
@@ -2,69 +2,29 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmCPackIFWInstaller.h"
 
-#include "cmConfigure.h"
-#include <sstream>
-#include <stddef.h>
-#include <utility>
-
-#include "cmCPackGenerator.h"
+#include "cmCPackIFWCommon.h"
 #include "cmCPackIFWGenerator.h"
 #include "cmCPackIFWPackage.h"
 #include "cmCPackIFWRepository.h"
-#include "cmCPackLog.h"
+#include "cmCPackLog.h" // IWYU pragma: keep
 #include "cmGeneratedFileStream.h"
 #include "cmSystemTools.h"
 #include "cmXMLParser.h"
 #include "cmXMLWriter.h"
 
-#ifdef cmCPackLogger
-#undef cmCPackLogger
-#endif
-#define cmCPackLogger(logType, msg)                                           \
-  do {                                                                        \
-    std::ostringstream cmCPackLog_msg;                                        \
-    cmCPackLog_msg << msg;                                                    \
-    if (Generator) {                                                          \
-      Generator->Logger->Log(logType, __FILE__, __LINE__,                     \
-                             cmCPackLog_msg.str().c_str());                   \
-    }                                                                         \
-  } while (false)
+#include <sstream>
+#include <stddef.h>
+#include <utility>
 
 cmCPackIFWInstaller::cmCPackIFWInstaller()
-  : Generator(CM_NULLPTR)
-{
-}
-
-const char* cmCPackIFWInstaller::GetOption(const std::string& op) const
-{
-  return Generator ? Generator->GetOption(op) : CM_NULLPTR;
-}
-
-bool cmCPackIFWInstaller::IsOn(const std::string& op) const
 {
-  return Generator ? Generator->IsOn(op) : false;
-}
-
-bool cmCPackIFWInstaller::IsVersionLess(const char* version)
-{
-  return Generator ? Generator->IsVersionLess(version) : false;
-}
-
-bool cmCPackIFWInstaller::IsVersionGreater(const char* version)
-{
-  return Generator ? Generator->IsVersionGreater(version) : false;
-}
-
-bool cmCPackIFWInstaller::IsVersionEqual(const char* version)
-{
-  return Generator ? Generator->IsVersionEqual(version) : false;
 }
 
 void cmCPackIFWInstaller::printSkippedOptionWarning(
   const std::string& optionName, const std::string& optionValue)
 {
-  cmCPackLogger(
-    cmCPackLog::LOG_WARNING, "Option "
+  cmCPackIFWLogger(
+    WARNING, "Option "
       << optionName << " is set to \"" << optionValue
       << "\" but will be skipped because the specified file does not exist."
       << std::endl);
@@ -176,9 +136,8 @@ void cmCPackIFWInstaller::ConfigureFromOptions()
     // Check known values
     if (WizardStyle != "Modern" && WizardStyle != "Aero" &&
         WizardStyle != "Mac" && WizardStyle != "Classic") {
-      cmCPackLogger(
-        cmCPackLog::LOG_WARNING,
-        "Option CPACK_IFW_PACKAGE_WIZARD_STYLE has unknown value \""
+      cmCPackIFWLogger(
+        WARNING, "Option CPACK_IFW_PACKAGE_WIZARD_STYLE has unknown value \""
           << option << "\". Expected values are: Modern, Aero, Mac, Classic."
           << std::endl);
     }
@@ -493,9 +452,9 @@ void cmCPackIFWInstaller::GenerateInstallerFile()
         cmsys::SystemTools::CopyFileIfDifferent(Resources[i], path);
         resources.push_back(name);
       } else {
-        cmCPackLogger(cmCPackLog::LOG_WARNING, "Can't copy resources from \""
-                        << Resources[i] << "\". Resource will be skipped."
-                        << std::endl);
+        cmCPackIFWLogger(WARNING, "Can't copy resources from \""
+                           << Resources[i] << "\". Resource will be skipped."
+                           << std::endl);
       }
     }
     Resources = resources;
@@ -534,10 +493,3 @@ void cmCPackIFWInstaller::GeneratePackageFiles()
     package->GeneratePackageFile();
   }
 }
-
-void cmCPackIFWInstaller::WriteGeneratedByToStrim(cmXMLWriter& xout)
-{
-  if (Generator) {
-    Generator->WriteGeneratedByToStrim(xout);
-  }
-}
diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.h b/Source/CPack/IFW/cmCPackIFWInstaller.h
index 64239cf..b635f42 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.h
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.h
@@ -5,19 +5,19 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include "cmCPackIFWCommon.h"
+
 #include <map>
 #include <string>
 #include <vector>
 
-class cmCPackIFWGenerator;
 class cmCPackIFWPackage;
 class cmCPackIFWRepository;
-class cmXMLWriter;
 
 /** \class cmCPackIFWInstaller
  * \brief A binary installer to be created CPack IFW generator
  */
-class cmCPackIFWInstaller
+class cmCPackIFWInstaller : public cmCPackIFWCommon
 {
 public:
   // Types
@@ -111,28 +111,17 @@ public:
 public:
   // Internal implementation
 
-  const char* GetOption(const std::string& op) const;
-  bool IsOn(const std::string& op) const;
-
-  bool IsVersionLess(const char* version);
-  bool IsVersionGreater(const char* version);
-  bool IsVersionEqual(const char* version);
-
   void ConfigureFromOptions();
 
   void GenerateInstallerFile();
 
   void GeneratePackageFiles();
 
-  cmCPackIFWGenerator* Generator;
   PackagesMap Packages;
   RepositoriesVector RemoteRepositories;
   std::string Directory;
 
 protected:
-  void WriteGeneratedByToStrim(cmXMLWriter& xout);
-
-private:
   void printSkippedOptionWarning(const std::string& optionName,
                                  const std::string& optionValue);
 };
diff --git a/Source/CPack/IFW/cmCPackIFWPackage.cxx b/Source/CPack/IFW/cmCPackIFWPackage.cxx
index eda383f..7a0a00c 100644
--- a/Source/CPack/IFW/cmCPackIFWPackage.cxx
+++ b/Source/CPack/IFW/cmCPackIFWPackage.cxx
@@ -3,34 +3,19 @@
 #include "cmCPackIFWPackage.h"
 
 #include "cmCPackComponentGroup.h"
-#include "cmCPackGenerator.h"
+#include "cmCPackIFWCommon.h"
 #include "cmCPackIFWGenerator.h"
 #include "cmCPackIFWInstaller.h"
-#include "cmCPackLog.h"
+#include "cmCPackLog.h" // IWYU pragma: keep
 #include "cmGeneratedFileStream.h"
 #include "cmSystemTools.h"
 #include "cmTimestamp.h"
 #include "cmXMLWriter.h"
 
-#include "cmConfigure.h"
 #include <map>
 #include <sstream>
 #include <stddef.h>
 
-//----------------------------------------------------------------- Logger ---
-#ifdef cmCPackLogger
-#undef cmCPackLogger
-#endif
-#define cmCPackLogger(logType, msg)                                           \
-  do {                                                                        \
-    std::ostringstream cmCPackLog_msg;                                        \
-    cmCPackLog_msg << msg;                                                    \
-    if (Generator) {                                                          \
-      Generator->Logger->Log(logType, __FILE__, __LINE__,                     \
-                             cmCPackLog_msg.str().c_str());                   \
-    }                                                                         \
-  } while (false)
-
 //---------------------------------------------------------- CompareStruct ---
 cmCPackIFWPackage::CompareStruct::CompareStruct()
   : Type(CompareNone)
@@ -104,45 +89,8 @@ std::string cmCPackIFWPackage::DependenceStruct::NameWithCompare() const
 
 //------------------------------------------------------ cmCPackIFWPackage ---
 cmCPackIFWPackage::cmCPackIFWPackage()
-  : Generator(CM_NULLPTR)
-  , Installer(CM_NULLPTR)
-{
-}
-
-const char* cmCPackIFWPackage::GetOption(const std::string& op) const
-{
-  const char* option = Generator ? Generator->GetOption(op) : CM_NULLPTR;
-  return option && *option ? option : CM_NULLPTR;
-}
-
-bool cmCPackIFWPackage::IsOn(const std::string& op) const
+  : Installer(CM_NULLPTR)
 {
-  return Generator ? Generator->IsOn(op) : false;
-}
-
-bool cmCPackIFWPackage::IsSetToOff(const std::string& op) const
-{
-  return Generator ? Generator->IsSetToOff(op) : false;
-}
-
-bool cmCPackIFWPackage::IsSetToEmpty(const std::string& op) const
-{
-  return Generator ? Generator->IsSetToEmpty(op) : false;
-}
-
-bool cmCPackIFWPackage::IsVersionLess(const char* version)
-{
-  return Generator ? Generator->IsVersionLess(version) : false;
-}
-
-bool cmCPackIFWPackage::IsVersionGreater(const char* version)
-{
-  return Generator ? Generator->IsVersionGreater(version) : false;
-}
-
-bool cmCPackIFWPackage::IsVersionEqual(const char* version)
-{
-  return Generator ? Generator->IsVersionEqual(version) : false;
 }
 
 std::string cmCPackIFWPackage::GetComponentName(cmCPackComponent* component)
@@ -264,11 +212,11 @@ int cmCPackIFWPackage::ConfigureFromComponent(cmCPackComponent* component)
     Licenses.clear();
     cmSystemTools::ExpandListArgument(option, Licenses);
     if (Licenses.size() % 2 != 0) {
-      cmCPackLogger(
-        cmCPackLog::LOG_WARNING, prefix
-          << "LICENSES"
-          << " should contain pairs of <display_name> and <file_path>."
-          << std::endl);
+      cmCPackIFWLogger(
+        WARNING,
+        prefix << "LICENSES"
+               << " should contain pairs of <display_name> and <file_path>."
+               << std::endl);
       Licenses.clear();
     }
   }
@@ -276,8 +224,8 @@ int cmCPackIFWPackage::ConfigureFromComponent(cmCPackComponent* component)
   // Priority
   if (const char* option = this->GetOption(prefix + "PRIORITY")) {
     SortingPriority = option;
-    cmCPackLogger(
-      cmCPackLog::LOG_WARNING, "The \"PRIORITY\" option is set "
+    cmCPackIFWLogger(
+      WARNING, "The \"PRIORITY\" option is set "
         << "for component \"" << component->Name << "\", but there option is "
         << "deprecated. Please use \"SORTING_PRIORITY\" option instead."
         << std::endl);
@@ -341,11 +289,11 @@ int cmCPackIFWPackage::ConfigureFromGroup(cmCPackComponentGroup* group)
     Licenses.clear();
     cmSystemTools::ExpandListArgument(option, Licenses);
     if (Licenses.size() % 2 != 0) {
-      cmCPackLogger(
-        cmCPackLog::LOG_WARNING, prefix
-          << "LICENSES"
-          << " should contain pairs of <display_name> and <file_path>."
-          << std::endl);
+      cmCPackIFWLogger(
+        WARNING,
+        prefix << "LICENSES"
+               << " should contain pairs of <display_name> and <file_path>."
+               << std::endl);
       Licenses.clear();
     }
   }
@@ -353,8 +301,8 @@ int cmCPackIFWPackage::ConfigureFromGroup(cmCPackComponentGroup* group)
   // Priority
   if (const char* option = this->GetOption(prefix + "PRIORITY")) {
     SortingPriority = option;
-    cmCPackLogger(
-      cmCPackLog::LOG_WARNING, "The \"PRIORITY\" option is set "
+    cmCPackIFWLogger(
+      WARNING, "The \"PRIORITY\" option is set "
         << "for component group \"" << group->Name
         << "\", but there option is "
         << "deprecated. Please use \"SORTING_PRIORITY\" option instead."
@@ -714,10 +662,3 @@ void cmCPackIFWPackage::GeneratePackageFile()
   xout.EndElement();
   xout.EndDocument();
 }
-
-void cmCPackIFWPackage::WriteGeneratedByToStrim(cmXMLWriter& xout)
-{
-  if (Generator) {
-    Generator->WriteGeneratedByToStrim(xout);
-  }
-}
diff --git a/Source/CPack/IFW/cmCPackIFWPackage.h b/Source/CPack/IFW/cmCPackIFWPackage.h
index 025a03e..f9e577a 100644
--- a/Source/CPack/IFW/cmCPackIFWPackage.h
+++ b/Source/CPack/IFW/cmCPackIFWPackage.h
@@ -5,20 +5,20 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include "cmCPackIFWCommon.h"
+
 #include <set>
 #include <string>
 #include <vector>
 
 class cmCPackComponent;
 class cmCPackComponentGroup;
-class cmCPackIFWGenerator;
 class cmCPackIFWInstaller;
-class cmXMLWriter;
 
 /** \class cmCPackIFWPackage
  * \brief A single component to be installed by CPack IFW generator
  */
-class cmCPackIFWPackage
+class cmCPackIFWPackage : public cmCPackIFWCommon
 {
 public:
   // Types
@@ -119,15 +119,6 @@ public:
 public:
   // Internal implementation
 
-  const char* GetOption(const std::string& op) const;
-  bool IsOn(const std::string& op) const;
-  bool IsSetToOff(const std::string& op) const;
-  bool IsSetToEmpty(const std::string& op) const;
-
-  bool IsVersionLess(const char* version);
-  bool IsVersionGreater(const char* version);
-  bool IsVersionEqual(const char* version);
-
   std::string GetComponentName(cmCPackComponent* component);
 
   void DefaultConfiguration();
@@ -140,8 +131,6 @@ public:
 
   void GeneratePackageFile();
 
-  // Pointer to generator
-  cmCPackIFWGenerator* Generator;
   // Pointer to installer
   cmCPackIFWInstaller* Installer;
   // Collection of dependencies
@@ -152,9 +141,6 @@ public:
   std::set<DependenceStruct*> AlienAutoDependOn;
   // Patch to package directory
   std::string Directory;
-
-protected:
-  void WriteGeneratedByToStrim(cmXMLWriter& xout);
 };
 
 #endif // cmCPackIFWPackage_h
diff --git a/Source/CPack/IFW/cmCPackIFWRepository.cxx b/Source/CPack/IFW/cmCPackIFWRepository.cxx
index 8ce375e..9190596 100644
--- a/Source/CPack/IFW/cmCPackIFWRepository.cxx
+++ b/Source/CPack/IFW/cmCPackIFWRepository.cxx
@@ -2,32 +2,16 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmCPackIFWRepository.h"
 
-#include "cmCPackGenerator.h"
 #include "cmCPackIFWGenerator.h"
 #include "cmGeneratedFileStream.h"
 #include "cmSystemTools.h"
 #include "cmXMLParser.h"
 #include "cmXMLWriter.h"
 
-#include "cmConfigure.h"
 #include <stddef.h>
 
-#ifdef cmCPackLogger
-#undef cmCPackLogger
-#endif
-#define cmCPackLogger(logType, msg)                                           \
-  do {                                                                        \
-    std::ostringstream cmCPackLog_msg;                                        \
-    cmCPackLog_msg << msg;                                                    \
-    if (Generator) {                                                          \
-      Generator->Logger->Log(logType, __FILE__, __LINE__,                     \
-                             cmCPackLog_msg.str().c_str());                   \
-    }                                                                         \
-  } while (false)
-
 cmCPackIFWRepository::cmCPackIFWRepository()
   : Update(None)
-  , Generator(CM_NULLPTR)
 {
 }
 
@@ -53,31 +37,6 @@ bool cmCPackIFWRepository::IsValid() const
   return valid;
 }
 
-const char* cmCPackIFWRepository::GetOption(const std::string& op) const
-{
-  return Generator ? Generator->GetOption(op) : CM_NULLPTR;
-}
-
-bool cmCPackIFWRepository::IsOn(const std::string& op) const
-{
-  return Generator ? Generator->IsOn(op) : false;
-}
-
-bool cmCPackIFWRepository::IsVersionLess(const char* version)
-{
-  return Generator ? Generator->IsVersionLess(version) : false;
-}
-
-bool cmCPackIFWRepository::IsVersionGreater(const char* version)
-{
-  return Generator ? Generator->IsVersionGreater(version) : false;
-}
-
-bool cmCPackIFWRepository::IsVersionEqual(const char* version)
-{
-  return Generator ? Generator->IsVersionEqual(version) : false;
-}
-
 bool cmCPackIFWRepository::ConfigureFromOptions()
 {
   // Name;
@@ -325,10 +284,3 @@ void cmCPackIFWRepository::WriteRepositoryUpdates(cmXMLWriter& xout)
     xout.EndElement();
   }
 }
-
-void cmCPackIFWRepository::WriteGeneratedByToStrim(cmXMLWriter& xout)
-{
-  if (Generator) {
-    Generator->WriteGeneratedByToStrim(xout);
-  }
-}
diff --git a/Source/CPack/IFW/cmCPackIFWRepository.h b/Source/CPack/IFW/cmCPackIFWRepository.h
index c09a158..227cfae 100644
--- a/Source/CPack/IFW/cmCPackIFWRepository.h
+++ b/Source/CPack/IFW/cmCPackIFWRepository.h
@@ -5,16 +5,17 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include "cmCPackIFWCommon.h"
+
 #include <string>
 #include <vector>
 
-class cmCPackIFWGenerator;
 class cmXMLWriter;
 
 /** \class cmCPackIFWRepository
  * \brief A remote repository to be created CPack IFW generator
  */
-class cmCPackIFWRepository
+class cmCPackIFWRepository : public cmCPackIFWCommon
 {
 public:
   // Types
@@ -72,13 +73,6 @@ public:
 
   bool IsValid() const;
 
-  const char* GetOption(const std::string& op) const;
-  bool IsOn(const std::string& op) const;
-
-  bool IsVersionLess(const char* version);
-  bool IsVersionGreater(const char* version);
-  bool IsVersionEqual(const char* version);
-
   bool ConfigureFromOptions();
 
   bool PatchUpdatesXml();
@@ -87,12 +81,8 @@ public:
   void WriteRepositoryUpdate(cmXMLWriter& xout);
   void WriteRepositoryUpdates(cmXMLWriter& xout);
 
-  cmCPackIFWGenerator* Generator;
   RepositoriesVector RepositoryUpdate;
   std::string Directory;
-
-protected:
-  void WriteGeneratedByToStrim(cmXMLWriter& xout);
 };
 
 #endif // cmCPackIFWRepository_h