From 320ac40056a377be91a1d1d0ec7af3c2c1a1bf02 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <dismine@gmail.com>
Date: Wed, 26 May 2021 10:01:50 +0300
Subject: [PATCH] Add method SetAttributeOrRemoveIf for VPLayoutFileWriter
 class.

---
 src/app/puzzle/xml/vplayoutfilewriter.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/app/puzzle/xml/vplayoutfilewriter.h b/src/app/puzzle/xml/vplayoutfilewriter.h
index 287e6997e..04cb8e323 100644
--- a/src/app/puzzle/xml/vplayoutfilewriter.h
+++ b/src/app/puzzle/xml/vplayoutfilewriter.h
@@ -68,6 +68,10 @@ private:
 
     template <size_t N>
     void SetAttribute(const QString &name, const char (&value)[N]);
+
+    template <typename T>
+    void SetAttributeOrRemoveIf(const QString &name, const T &value,
+                                const std::function<bool(const T&)> &removeCondition);
 };
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -107,4 +111,15 @@ inline void VPLayoutFileWriter::SetAttribute(const QString &name, const char (&v
     writeAttribute(name, QString(value));
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+template <typename T>
+inline void VPLayoutFileWriter::SetAttributeOrRemoveIf(const QString &name, const T &value,
+                                                       const std::function<bool(const T&)> &removeCondition)
+{
+    if (not removeCondition(value))
+    {
+        SetAttribute(name, value);
+    }
+}
+
 #endif // VPLAYOUTFILEWRITER_H