Project: Make Project::file take a std::function to match files

Make Project::files take a standard function to match files with instead
of an enum (and a std::function).

Change-Id: I6a24e40dba0e972ff96c0a57e775d2377e2545e0
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/plugins/cmakeprojectmanager/cmakeproject.cpp

@@ -728,7 +728,9 @@ void CMakeProject::createGeneratedCodeModelSupport()
             = Utils::transform<QSet>(factories, [](const ExtraCompilerFactory *f) { return f->sourceTag(); });
 
     // Find all files generated by any of the extra compilers, in a rather crude way.
-    const FileNameList fileList = files(SourceFiles, [&fileExtensions](const Node *n) {
+    const FileNameList fileList = files([&fileExtensions](const Node *n) {
+        if (!SourceFiles(n))
+            return false;
         const QString fp = n->filePath().toString();
         const int pos = fp.lastIndexOf('.');
         return pos >= 0 && fileExtensions.contains(fp.mid(pos + 1));

src/plugins/nim/project/nimproject.cpp

@@ -177,7 +177,7 @@ bool NimProject::supportsKit(Kit *k, QString *errorMessage) const
 
 FileNameList NimProject::nimFiles() const
 {
-    return files(AllFiles, [](const ProjectExplorer::Node *n) { return n->filePath().endsWith(".nim"); });
+    return files([](const ProjectExplorer::Node *n) { return AllFiles(n) && n->filePath().endsWith(".nim"); });
 }
 
 QVariantMap NimProject::toMap() const

src/plugins/projectexplorer/project.cpp

@@ -86,6 +86,23 @@ const char PLUGIN_SETTINGS_KEY[] = "ProjectExplorer.Project.PluginSettings";
 
 namespace ProjectExplorer {
 
+static bool isListedFileNode(const Node *node)
+{
+    return node->nodeType() == NodeType::File && node->listInProject();
+}
+
+const Project::NodeMatcher Project::AllFiles = [](const Node *node) {
+    return isListedFileNode(node);
+};
+
+const Project::NodeMatcher Project::SourceFiles = [](const Node *node) {
+    return isListedFileNode(node) && !node->isGenerated();
+};
+
+const Project::NodeMatcher Project::GeneratedFiles = [](const Node *node) {
+    return isListedFileNode(node) && node->isGenerated();
+};
+
 // --------------------------------------------------------------------
 // ProjectDocument:
 // --------------------------------------------------------------------
@@ -557,8 +574,7 @@ Project::RestoreResult Project::restoreSettings(QString *errorMessage)
     return result;
 }
 
-Utils::FileNameList Project::files(Project::FilesMode fileMode,
-                           const std::function<bool(const Node *)> &filter) const
+Utils::FileNameList Project::files(const Project::NodeMatcher &filter) const
 {
     Utils::FileNameList result;
 
@@ -567,24 +583,20 @@ Utils::FileNameList Project::files(Project::FilesMode fileMode,
 
     QSet<Utils::FileName> alreadySeen;
     rootProjectNode()->forEachGenericNode([&](const Node *n) {
+        if (filter && !filter(n))
+            return;
+
         const Utils::FileName path = n->filePath();
         const int count = alreadySeen.count();
         alreadySeen.insert(path);
         if (count == alreadySeen.count())
             return; // skip duplicates
-        if (!n->listInProject())
-            return;
-        if (filter && !filter(n))
-            return;
-        if ((fileMode == AllFiles)
-                || (fileMode == SourceFiles && !n->isGenerated())
-                || (fileMode == GeneratedFiles && n->isGenerated()))
-            result.append(path);
+
+        result.append(path);
     });
     return result;
 }
 
-
 /*!
     Serializes all data into a QVariantMap.
 

src/plugins/projectexplorer/project.h

@@ -130,13 +130,12 @@ public:
     enum class RestoreResult { Ok, Error, UserAbort };
     RestoreResult restoreSettings(QString *errorMessage);
 
-    enum FilesMode {
-        SourceFiles    = 0x1,
-        GeneratedFiles = 0x2,
-        AllFiles       = SourceFiles | GeneratedFiles
-    };
-    Utils::FileNameList files(FilesMode fileMode,
-                              const std::function<bool(const Node *)> &filter = {}) const;
+    using NodeMatcher = std::function<bool(const Node*)>;
+    static const NodeMatcher AllFiles;
+    static const NodeMatcher SourceFiles;
+    static const NodeMatcher GeneratedFiles;
+
+    Utils::FileNameList files(const NodeMatcher &matcher) const;
     virtual QStringList filesGeneratedFrom(const QString &sourceFile) const;
 
     static QString makeUnique(const QString &preferredName, const QStringList &usedNames);

src/plugins/qmljstools/qmljsmodelmanager.cpp

@@ -86,14 +86,13 @@ ModelManagerInterface::ProjectInfo ModelManager::defaultProjectInfoForProject(
                                              Constants::QMLPROJECT_MIMETYPE,
                                              Constants::QMLTYPES_MIMETYPE,
                                              Constants::QMLUI_MIMETYPE };
-        projectInfo.sourceFiles = Utils::transform(project->files(Project::SourceFiles,
-                                                   [&qmlTypeNames](const Node *n) {
-            if (const FileNode *fn = n->asFileNode()) {
-                return fn->fileType() == FileType::QML
-                        && qmlTypeNames.contains(Utils::mimeTypeForFile(fn->filePath().toString(),
-                                                                        MimeMatchMode::MatchExtension).name());
-            }
-            return false;
+        projectInfo.sourceFiles = Utils::transform(project->files([&qmlTypeNames](const Node *n) {
+            if (!Project::SourceFiles(n))
+                return false;
+            const FileNode *fn = n->asFileNode();
+            return fn && fn->fileType() == FileType::QML
+                    && qmlTypeNames.contains(Utils::mimeTypeForFile(fn->filePath().toString(),
+                                                                    MimeMatchMode::MatchExtension).name());
         }), &FileName::toString);
         activeTarget = project->activeTarget();
     }