Introduce static_container_cast

Casting all elements of a container, similar to qobject_container_cast.

Change-Id: Ib455fe8c7fa0d4acda7e29685c3100638a0152f8
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/libs/utils/algorithm.h

@@ -626,6 +626,20 @@ Container<T> qobject_container_cast(const Container<Base> &container)
     return result;
 }
 
+//////////////////
+// static_container_cast
+/////////////////
+template <class T, template<typename> class Container, typename Base>
+Container<T> static_container_cast(const Container<Base> &container)
+{
+    Container<T> result;
+    reserve(result, container.size());
+    auto ins = inserter(result);
+    for (Base val : container)
+        ins = static_cast<T>(val);
+    return result;
+}
+
 //////////////////
 // sort
 /////////////////

src/plugins/android/androidconfigurations.cpp

@@ -1032,9 +1032,7 @@ void AndroidConfigurations::updateAutomaticKitList()
             && tc->typeId() == Constants::ANDROID_TOOLCHAIN_ID
             && !static_cast<const AndroidToolChain *>(tc)->isSecondaryToolChain();
     });
-    const QList<AndroidToolChain *> toolchains = Utils::transform(tmp, [](ToolChain *tc) {
+    const auto toolchains = Utils::static_container_cast<AndroidToolChain *>(tmp);
-            return static_cast<AndroidToolChain *>(tc);
-    });
     for (AndroidToolChain *tc : toolchains) {
         if (tc->isSecondaryToolChain() || tc->language() != Core::Id(ProjectExplorer::Constants::CXX_LANGUAGE_ID))
             continue;

src/plugins/android/androidsdkmanager.cpp

@@ -313,7 +313,7 @@ SdkPlatformList AndroidSdkManager::installedSdkPlatforms()
 {
     AndroidSdkPackageList list = m_d->filteredPackages(AndroidSdkPackage::Installed,
                                                        AndroidSdkPackage::SdkPlatformPackage);
-    return Utils::qobject_container_cast<SdkPlatform *>(list);
+    return Utils::static_container_cast<SdkPlatform *>(list);
 }
 
 const AndroidSdkPackageList &AndroidSdkManager::allSdkPackages()

src/plugins/ios/iosconfigurations.cpp

@@ -596,7 +596,7 @@ QList<ToolChain *> IosToolChainFactory::autoDetect(const QList<ToolChain *> &exi
 {
     QList<ClangToolChain *> existingClangToolChains = clangToolChains(existingToolChains);
     const QList<XcodePlatform> platforms = XcodeProbe::detectPlatforms().values();
-    QList<ClangToolChain *> toolChains;
+    QList<ToolChain *> toolChains;
     toolChains.reserve(platforms.size());
     foreach (const XcodePlatform &platform, platforms) {
         for (const XcodePlatform::ToolchainTarget &target : platform.targets) {
@@ -614,7 +614,7 @@ QList<ToolChain *> IosToolChainFactory::autoDetect(const QList<ToolChain *> &exi
             createOrAdd(platformToolchains.second, ProjectExplorer::Constants::CXX_LANGUAGE_ID);
         }
     }
-    return Utils::transform(toolChains, [](ClangToolChain *tc) -> ToolChain * { return tc; });
+    return toolChains;
 }
 
 QString DevelopmentTeam::identifier() const

src/plugins/projectexplorer/target.cpp

@@ -358,9 +358,9 @@ BuildTargetInfoList Target::applicationTargets() const
 QList<ProjectConfiguration *> Target::projectConfigurations() const
 {
     QList<ProjectConfiguration *> result;
-    result.append(Utils::qobject_container_cast<ProjectConfiguration *>(buildConfigurations()));
+    result.append(Utils::static_container_cast<ProjectConfiguration *>(buildConfigurations()));
-    result.append(Utils::qobject_container_cast<ProjectConfiguration *>(deployConfigurations()));
+    result.append(Utils::static_container_cast<ProjectConfiguration *>(deployConfigurations()));
-    result.append(Utils::qobject_container_cast<ProjectConfiguration *>(runConfigurations()));
+    result.append(Utils::static_container_cast<ProjectConfiguration *>(runConfigurations()));
     return result;
 }