cpack.cxx: Optimize calls to `std::osteam::operator<<`

Source/CPack/cpack.cxx

@@ -63,7 +63,7 @@ const cmDocumentationEntry cmDocumentationOptions[14] = {
 
 void cpackProgressCallback(const std::string& message, float /*unused*/)
 {
-  std::cout << "-- " << message << std::endl;
+  std::cout << "-- " << message << '\n';
 }
 
 std::vector<cmDocumentationEntry> makeGeneratorDocs(
@@ -113,8 +113,7 @@ int main(int argc, char const* const* argv)
 
   if (cmSystemTools::GetCurrentWorkingDirectory().empty()) {
     cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                "Current working directory cannot be established."
-                  << std::endl);
+                "Current working directory cannot be established.\n");
     return 1;
   }
 
@@ -141,14 +140,14 @@ int main(int argc, char const* const* argv)
   auto const verboseLambda = [&log](const std::string&, cmake*,
                                     cmMakefile*) -> bool {
     log.SetVerbose(true);
-    cmCPack_Log(&log, cmCPackLog::LOG_OUTPUT, "Enable Verbose" << std::endl);
+    cmCPack_Log(&log, cmCPackLog::LOG_OUTPUT, "Enable Verbose\n");
     return true;
   };
 
   auto const debugLambda = [&log](const std::string&, cmake*,
                                   cmMakefile*) -> bool {
     log.SetDebug(true);
-    cmCPack_Log(&log, cmCPackLog::LOG_OUTPUT, "Enable Debug" << std::endl);
+    cmCPack_Log(&log, cmCPackLog::LOG_OUTPUT, "Enable Debug\n");
     return true;
   };
 
@@ -206,26 +205,25 @@ int main(int argc, char const* const* argv)
                      CommandArgument::setToValue(preset) },
     CommandArgument{ "--list-presets", CommandArgument::Values::Zero,
                      CommandArgument::setToTrue(listPresets) },
-    CommandArgument{
-      "-D", CommandArgument::Values::One,
-      [&log, &definitions](const std::string& arg, cmake*,
-                           cmMakefile*) -> bool {
-        std::string value = arg;
-        size_t pos = value.find_first_of('=');
-        if (pos == std::string::npos) {
-          cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                      "Please specify CPack definitions as: KEY=VALUE"
-                        << std::endl);
-          return false;
-        }
-        std::string key = value.substr(0, pos);
-        value.erase(0, pos + 1);
-        definitions[key] = value;
-        cmCPack_Log(&log, cmCPackLog::LOG_DEBUG,
-                    "Set CPack variable: " << key << " to \"" << value << "\""
-                                           << std::endl);
-        return true;
-      } },
+    CommandArgument{ "-D", CommandArgument::Values::One,
+                     [&log, &definitions](const std::string& arg, cmake*,
+                                          cmMakefile*) -> bool {
+                       std::string value = arg;
+                       size_t pos = value.find_first_of('=');
+                       if (pos == std::string::npos) {
+                         cmCPack_Log(
+                           &log, cmCPackLog::LOG_ERROR,
+                           "Please specify CPack definitions as: KEY=VALUE\n");
+                         return false;
+                       }
+                       std::string key = value.substr(0, pos);
+                       value.erase(0, pos + 1);
+                       definitions[key] = value;
+                       cmCPack_Log(&log, cmCPackLog::LOG_DEBUG,
+                                   "Set CPack variable: " << key << " to \""
+                                                          << value << "\"\n");
+                       return true;
+                     } },
   };
 
   cmake cminst(cmake::RoleScript, cmState::CPack);
@@ -274,8 +272,7 @@ int main(int argc, char const* const* argv)
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Could not read presets from "
                     << workingDirectory << ": "
-                    << cmCMakePresetsGraph::ResultToString(result)
-                    << std::endl);
+                    << cmCMakePresetsGraph::ResultToString(result) << '\n');
       return 1;
     }
 
@@ -288,7 +285,7 @@ int main(int argc, char const* const* argv)
     if (presetPair == presetsGraph.PackagePresets.end()) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "No such package preset in " << workingDirectory << ": \""
-                                               << preset << '"' << std::endl);
+                                               << preset << "\"\n");
       presetsGraph.PrintPackagePresetList(presetGeneratorsPresent);
       return 1;
     }
@@ -296,8 +293,7 @@ int main(int argc, char const* const* argv)
     if (presetPair->second.Unexpanded.Hidden) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Cannot use hidden package preset in "
-                    << workingDirectory << ": \"" << preset << '"'
-                    << std::endl);
+                    << workingDirectory << ": \"" << preset << "\"\n");
       presetsGraph.PrintPackagePresetList(presetGeneratorsPresent);
       return 1;
     }
@@ -306,7 +302,7 @@ int main(int argc, char const* const* argv)
     if (!expandedPreset) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Could not evaluate package preset \""
-                    << preset << "\": Invalid macro expansion" << std::endl);
+                    << preset << "\": Invalid macro expansion\n");
       presetsGraph.PrintPackagePresetList(presetGeneratorsPresent);
       return 1;
     }
@@ -314,8 +310,7 @@ int main(int argc, char const* const* argv)
     if (!expandedPreset->ConditionResult) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Cannot use disabled package preset in "
-                    << workingDirectory << ": \"" << preset << '"'
-                    << std::endl);
+                    << workingDirectory << ": \"" << preset << "\"\n");
       presetsGraph.PrintPackagePresetList(presetGeneratorsPresent);
       return 1;
     }
@@ -332,7 +327,7 @@ int main(int argc, char const* const* argv)
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "No such configure preset in "
                     << workingDirectory << ": \""
-                    << expandedPreset->ConfigurePreset << '"' << std::endl);
+                    << expandedPreset->ConfigurePreset << "\"\n");
       presetsGraph.PrintConfigurePresetList();
       return 1;
     }
@@ -341,7 +336,7 @@ int main(int argc, char const* const* argv)
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Cannot use hidden configure preset in "
                     << workingDirectory << ": \""
-                    << expandedPreset->ConfigurePreset << '"' << std::endl);
+                    << expandedPreset->ConfigurePreset << "\"\n");
       presetsGraph.PrintConfigurePresetList();
       return 1;
     }
@@ -351,7 +346,7 @@ int main(int argc, char const* const* argv)
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Could not evaluate configure preset \""
                     << expandedPreset->ConfigurePreset
-                    << "\": Invalid macro expansion" << std::endl);
+                    << "\": Invalid macro expansion\n");
       return 1;
     }
 
@@ -407,7 +402,7 @@ int main(int argc, char const* const* argv)
   }
 
   cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE,
-              "Read CPack config file: " << cpackConfigFile << std::endl);
+              "Read CPack config file: " << cpackConfigFile << '\n');
 
   bool cpackConfigFileSpecified = true;
   if (cpackConfigFile.empty()) {
@@ -435,7 +430,7 @@ int main(int argc, char const* const* argv)
       globalMF.GetModulesFile("CMakeDetermineSystem.cmake");
     if (!globalMF.ReadListFile(systemFile)) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                  "Error reading CMakeDetermineSystem.cmake" << std::endl);
+                  "Error reading CMakeDetermineSystem.cmake\n");
       return 1;
     }
 
@@ -443,8 +438,7 @@ int main(int argc, char const* const* argv)
       globalMF.GetModulesFile("CMakeSystemSpecificInformation.cmake");
     if (!globalMF.ReadListFile(systemFile)) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                  "Error reading CMakeSystemSpecificInformation.cmake"
-                    << std::endl);
+                  "Error reading CMakeSystemSpecificInformation.cmake\n");
       return 1;
     }
 
@@ -456,17 +450,17 @@ int main(int argc, char const* const* argv)
       cpackConfigFile = cmSystemTools::CollapseFullPath(cpackConfigFile);
       cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE,
                   "Read CPack configuration file: " << cpackConfigFile
-                                                    << std::endl);
+                                                    << '\n');
       if (!globalMF.ReadListFile(cpackConfigFile)) {
         cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                    "Problem reading CPack config file: \""
-                      << cpackConfigFile << "\"" << std::endl);
+                    "Problem reading CPack config file: \"" << cpackConfigFile
+                                                            << "\"\n");
         return 1;
       }
     } else if (cpackConfigFileSpecified) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                   "Cannot find CPack config file: \"" << cpackConfigFile
-                                                      << "\"" << std::endl);
+                                                      << "\"\n");
       return 1;
     }
 
@@ -515,17 +509,17 @@ int main(int argc, char const* const* argv)
     cmValue genList = globalMF.GetDefinition("CPACK_GENERATOR");
     if (!genList) {
       cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                  "CPack generator not specified" << std::endl);
+                  "CPack generator not specified\n");
     } else {
       std::vector<std::string> generatorsVector = cmExpandedList(*genList);
       for (std::string const& gen : generatorsVector) {
         cmMakefile::ScopePushPop raii(&globalMF);
         cmMakefile* mf = &globalMF;
         cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE,
-                    "Specified generator: " << gen << std::endl);
+                    "Specified generator: " << gen << '\n');
         if (!mf->GetDefinition("CPACK_PACKAGE_NAME")) {
           cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                      "CPack project name not specified" << std::endl);
+                      "CPack project name not specified" << '\n');
           parsed = false;
         }
         if (parsed &&
@@ -534,13 +528,11 @@ int main(int argc, char const* const* argv)
                mf->GetDefinition("CPACK_PACKAGE_VERSION_MINOR") &&
                mf->GetDefinition("CPACK_PACKAGE_VERSION_PATCH")))) {
           cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                      "CPack project version not specified"
-                        << std::endl
-                        << "Specify CPACK_PACKAGE_VERSION, or "
-                           "CPACK_PACKAGE_VERSION_MAJOR, "
-                           "CPACK_PACKAGE_VERSION_MINOR, and "
-                           "CPACK_PACKAGE_VERSION_PATCH."
-                        << std::endl);
+                      "CPack project version not specified\n"
+                      "Specify CPACK_PACKAGE_VERSION, or "
+                      "CPACK_PACKAGE_VERSION_MAJOR, "
+                      "CPACK_PACKAGE_VERSION_MINOR, and "
+                      "CPACK_PACKAGE_VERSION_PATCH.\n");
           parsed = false;
         }
         if (parsed) {
@@ -551,8 +543,7 @@ int main(int argc, char const* const* argv)
             cpackGenerator->SetTraceExpand(cminst.GetTraceExpand());
           } else {
             cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                        "Could not create CPack generator: " << gen
-                                                             << std::endl);
+                        "Could not create CPack generator: " << gen << '\n');
             // Print out all the valid generators
             cmDocumentation generatorDocs;
             generatorDocs.SetSection("Generators",
@@ -565,8 +556,7 @@ int main(int argc, char const* const* argv)
 
           if (parsed && !cpackGenerator->Initialize(gen, mf)) {
             cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
-                        "Cannot initialize the generator " << gen
-                                                           << std::endl);
+                        "Cannot initialize the generator " << gen << '\n');
             parsed = false;
           }
 
@@ -579,17 +569,16 @@ int main(int argc, char const* const* argv)
               "Please specify build tree of the project that uses CMake "
               "using CPACK_INSTALL_CMAKE_PROJECTS, specify "
               "CPACK_INSTALL_COMMANDS, CPACK_INSTALL_SCRIPT, or "
-              "CPACK_INSTALLED_DIRECTORIES."
-                << std::endl);
+              "CPACK_INSTALLED_DIRECTORIES.\n");
             parsed = false;
           }
           if (parsed) {
             cmValue projName = mf->GetDefinition("CPACK_PACKAGE_NAME");
             cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE,
                         "Use generator: " << cpackGenerator->GetNameOfClass()
-                                          << std::endl);
+                                          << '\n');
             cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE,
-                        "For project: " << *projName << std::endl);
+                        "For project: " << *projName << '\n');
 
             cmValue projVersion = mf->GetDefinition("CPACK_PACKAGE_VERSION");
             if (!projVersion) {
@@ -600,7 +589,7 @@ int main(int argc, char const* const* argv)
               cmValue projVersionPatch =
                 mf->GetDefinition("CPACK_PACKAGE_VERSION_PATCH");
               std::ostringstream ostr;
-              ostr << *projVersionMajor << "." << *projVersionMinor << "."
+              ostr << *projVersionMajor << "." << *projVersionMinor << '.'
                    << *projVersionPatch;
               mf->AddDefinition("CPACK_PACKAGE_VERSION", ostr.str());
             }
@@ -609,7 +598,7 @@ int main(int argc, char const* const* argv)
             if (!res) {
               cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                           "Error when generating package: " << *projName
-                                                            << std::endl);
+                                                            << '\n');
               return 1;
             }
           }