[utilities/kate/release/22.12] /: lspclient: add rootfile pattern to detect rootpath

Christoph Cullmann null at kde.org
Sun Nov 6 20:05:55 GMT 2022


Git commit d2658e90832083544cc7738a3e63da7595ea42fa by Christoph Cullmann, on behalf of Eric Armbruster.
Committed on 06/11/2022 at 20:05.
Pushed by cullmann into branch 'release/22.12'.

lspclient: add rootfile pattern to detect rootpath

This makes it possible to use file patterns to detect the rootpath.


(cherry picked from commit 2239a2aa6c20f1268072e5fed76babc911bb03f1)

M  +33   -17   addons/lspclient/lspclientservermanager.cpp
M  +2    -1    doc/kate/plugins.docbook

https://invent.kde.org/utilities/kate/commit/d2658e90832083544cc7738a3e63da7595ea42fa

diff --git a/addons/lspclient/lspclientservermanager.cpp b/addons/lspclient/lspclientservermanager.cpp
index 538c40aaa..68d6521e5 100644
--- a/addons/lspclient/lspclientservermanager.cpp
+++ b/addons/lspclient/lspclientservermanager.cpp
@@ -40,8 +40,8 @@
 typedef QMap<QString, QString> QStringMap;
 Q_DECLARE_METATYPE(QStringMap)
 
-// helper to find a proper root dir for the given document & file name that indicate the root dir
-static QString rootForDocumentAndRootIndicationFileName(KTextEditor::Document *document, const QString &rootIndicationFileName)
+// helper to find a proper root dir for the given document & file name/pattern that indicates the root dir
+static QString findRootForDocument(KTextEditor::Document *document, const QStringList &rootIndicationFileNames, const QStringList &rootIndicationFilePatterns)
 {
     // search only feasible if document is local file
     if (!document->url().isLocalFile()) {
@@ -56,7 +56,15 @@ static QString rootForDocumentAndRootIndicationFileName(KTextEditor::Document *d
         seenDirectories.insert(dir.absolutePath());
 
         // the file that indicates the root dir is there => all fine
-        if (dir.exists(rootIndicationFileName)) {
+        for (const auto &fileName : rootIndicationFileNames) {
+            if (dir.exists(fileName)) {
+                return dir.absolutePath();
+            }
+        }
+
+        // look for matching file patterns
+        dir.setNameFilters(rootIndicationFilePatterns);
+        if (!dir.entryList().isEmpty()) {
             return dir.absolutePath();
         }
 
@@ -70,6 +78,22 @@ static QString rootForDocumentAndRootIndicationFileName(KTextEditor::Document *d
     return QString();
 }
 
+static QStringList indicationDataToStringList(const QJsonValue &indicationData)
+{
+    if (indicationData.isArray()) {
+        QStringList indications;
+        for (auto indication : indicationData.toArray()) {
+            if (indication.isString()) {
+                indications << indication.toString();
+            }
+        }
+
+        return indications;
+    }
+
+    return {};
+};
+
 #include <memory>
 
 // helper guard to handle revision (un)lock
@@ -624,20 +648,12 @@ private:
          * clangd does
          */
         if (!rootpath) {
-            const auto fileNamesForDetection = serverConfig.value(QStringLiteral("rootIndicationFileNames"));
-            if (fileNamesForDetection.isArray()) {
-                // we try each file name alternative in the listed order
-                // this allows to have preferences
-                const auto fileNames = fileNamesForDetection.toArray();
-                for (auto name : fileNames) {
-                    if (name.isString()) {
-                        auto root = rootForDocumentAndRootIndicationFileName(document, name.toString());
-                        if (!root.isEmpty()) {
-                            rootpath = root;
-                            break;
-                        }
-                    }
-                }
+            const auto fileNamesForDetection = indicationDataToStringList(serverConfig.value(QStringLiteral("rootIndicationFileNames")));
+            const auto filePatternsForDetection = indicationDataToStringList(serverConfig.value(QStringLiteral("rootIndicationFilePatterns")));
+
+            auto root = findRootForDocument(document, fileNamesForDetection, filePatternsForDetection);
+            if (!root.isEmpty()) {
+                rootpath = root;
             }
         }
 
diff --git a/doc/kate/plugins.docbook b/doc/kate/plugins.docbook
index b03998268..ab950b333 100644
--- a/doc/kate/plugins.docbook
+++ b/doc/kate/plugins.docbook
@@ -2686,7 +2686,8 @@ to the <quote>projectBase</quote> (as determined by the <link
 linkend="kate-application-plugin-projects">Project plugin</link>) if applicable,
 or otherwise relative to the document's directory. If not specified and
 "rootIndicationFileNames" is an array as filenames, then a parent directory of
-current document containing such a file is selected. As a last fallback, the
+current document containing such a file is selected. Alternatively, if "root" is not specified and 
+"rootIndicationFilePatterns" is an array of file patterns, then a parent directory of the current document matching the file pattern is selected. As a last fallback, the
 home directory is selected as "root". For any document, the resulting "root"
 then determines whether or not a separate instance is needed. If so, the "root"
 is passed as rootUri/rootPath. </para>


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