From d71efc1850f87c803dc6acb917aa07f7bbef0e21 Mon Sep 17 00:00:00 2001
From: Christian Stenger <christian.stenger@qt.io>
Date: Mon, 23 Sep 2024 14:11:36 +0200
Subject: [PATCH] Utils: Add prefixRemoved to FilePath

Helper to create a prefix-cut FilePath.

Change-Id: I4f827fb9975a38d9be794ab27bc103c7fd9ffd00
Reviewed-by: hjk <hjk@qt.io>
---
 src/libs/utils/filepath.cpp | 7 +++++++
 src/libs/utils/filepath.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/libs/utils/filepath.cpp b/src/libs/utils/filepath.cpp
index 8252825d9e9..d52b6fea04c 100644
--- a/src/libs/utils/filepath.cpp
+++ b/src/libs/utils/filepath.cpp
@@ -1949,6 +1949,13 @@ std::optional<FilePath> FilePath::tailRemoved(const QString &str) const
     return {};
 }
 
+std::optional<FilePath> FilePath::prefixRemoved(const QString &str) const
+{
+    if (pathView().startsWith(str))
+        return withNewPath(pathView().mid(str.size()).toString());
+    return {};
+}
+
 QDateTime FilePath::lastModified() const
 {
     return fileAccess()->lastModified(*this);
diff --git a/src/libs/utils/filepath.h b/src/libs/utils/filepath.h
index 8c24e956fff..dd0e4c9f4c3 100644
--- a/src/libs/utils/filepath.h
+++ b/src/libs/utils/filepath.h
@@ -140,6 +140,7 @@ public:
     [[nodiscard]] FilePath pathAppended(const QString &str) const;
     [[nodiscard]] FilePath stringAppended(const QString &str) const;
     [[nodiscard]] std::optional<FilePath> tailRemoved(const QString &str) const;
+    [[nodiscard]] std::optional<FilePath> prefixRemoved(const QString &str) const;
     bool startsWith(const QString &s) const;
     bool endsWith(const QString &s) const;
     bool contains(const QString &s) const;