use QStringLiteral

python/core/core_auto.sip

@@ -376,6 +376,8 @@
 %Include raster/qgsrasterdataprovider.sip
 %Include raster/qgsrasterinterface.sip
 %Include raster/qgsrasterprojector.sip
+%Include mesh/qgsmeshdataprovider.sip
+%Include mesh/qgsmeshlayer.sip
 %Include geometry/qgsabstractgeometry.sip
 %Include geometry/qgsgeometry.sip
 %Include geometry/qgspoint.sip
@@ -433,6 +435,3 @@
 %Include qgsuserprofilemanager.sip
 %Include symbology/qgsarrowsymbollayer.sip
 %Include qgsuserprofile.sip
-%Include mesh/qgsmeshdataprovider.sip
-%Include mesh/qgsmeshlayer.sip
-

python/core/mesh/qgsmeshdataprovider.sip.in

@@ -69,6 +69,8 @@ Base class for providing data for :py:class:`QgsMeshLayer`
 Responsible for reading native mesh data
 
 .. seealso:: :py:class:`QgsMeshSource`
+
+.. versionadded:: 3.2
 %End
 
 %TypeHeaderCode

src/core/mesh/qgsmeshdataprovider.h

@@ -78,7 +78,7 @@ class CORE_EXPORT QgsMeshSource SIP_ABSTRACT
   * Responsible for reading native mesh data
   *
   * \see QgsMeshSource
-  *
+  * \since QGIS 3.2
   */
 class CORE_EXPORT QgsMeshDataProvider: public QgsDataProvider, public QgsMeshSource
 {

src/core/mesh/qgsmeshmemorydataprovider.cpp

@@ -26,12 +26,12 @@ bool QgsMeshMemoryDataProvider::isValid() const
 
 QString QgsMeshMemoryDataProvider::name() const
 {
-  return "mesh_memory";
+  return TEXT_PROVIDER_KEY;
 }
 
 QString QgsMeshMemoryDataProvider::description() const
 {
-  return "memory data provider for mesh layer";
+  return TEXT_PROVIDER_DESCRIPTION;
 }
 
 QgsCoordinateReferenceSystem QgsMeshMemoryDataProvider::crs() const
@@ -41,7 +41,6 @@ QgsCoordinateReferenceSystem QgsMeshMemoryDataProvider::crs() const
 
 QgsMeshMemoryDataProvider::QgsMeshMemoryDataProvider( const QString &uri )
   : QgsMeshDataProvider( uri )
-  , mIsValid( false )
 {
   mIsValid = splitSections( uri );
 }
@@ -67,7 +66,7 @@ QgsMeshMemoryDataProvider *QgsMeshMemoryDataProvider::createProvider( const QStr
 
 bool QgsMeshMemoryDataProvider::splitSections( const QString &uri )
 {
-  QStringList sections = uri.split( "---", QString::SkipEmptyParts );
+  const QStringList sections = uri.split( QStringLiteral( "---" ), QString::SkipEmptyParts );
   if ( sections.size() != 2 )
   {
     setError( QgsError( QStringLiteral( "Invalid mesh definition, does not contain 2 sections" ),
@@ -85,10 +84,10 @@ bool QgsMeshMemoryDataProvider::addVertices( const QString &def )
 {
   QVector<QgsMeshVertex> vertices;
 
-  QStringList verticesCoords = def.split( "\n", QString::SkipEmptyParts );
+  const QStringList verticesCoords = def.split( '\n', QString::SkipEmptyParts );
   for ( int i = 0; i < verticesCoords.size(); ++i )
   {
-    QStringList coords = verticesCoords[i].split( ",", QString::SkipEmptyParts );
+    const QStringList coords = verticesCoords[i].split( ',', QString::SkipEmptyParts );
     if ( coords.size() != 2 )
     {
       setError( QgsError( QStringLiteral( "Invalid mesh definition, vertex definition does not contain x, y" ),
@@ -109,10 +108,10 @@ bool QgsMeshMemoryDataProvider::addFaces( const QString &def )
 {
   QVector<QgsMeshFace> faces;
 
-  QStringList facesVertices = def.split( "\n", QString::SkipEmptyParts );
+  const QStringList facesVertices = def.split( '\n', QString::SkipEmptyParts );
   for ( int i = 0; i < facesVertices.size(); ++i )
   {
-    QStringList vertices = facesVertices[i].split( ",", QString::SkipEmptyParts );
+    const QStringList vertices = facesVertices[i].split( ',', QString::SkipEmptyParts );
     if ( vertices.size() < 3 )
     {
       setError( QgsError( QStringLiteral( "Invalid mesh definition, face must contain at least 3 vertices" ),

src/core/mesh/qgsmeshmemorydataprovider.h

@@ -90,7 +90,7 @@ class QgsMeshMemoryDataProvider: public QgsMeshDataProvider
     QVector<QgsMeshVertex> mVertices;
     QVector<QgsMeshFace> mFaces;
 
-    bool mIsValid;
+    bool mIsValid = false;
 };
 
 ///@endcond

src/core/mesh/qgstriangularmesh.h

@@ -38,7 +38,10 @@ struct CORE_EXPORT QgsMesh
 };
 
 /**
+ * \ingroup core
+ *
  * Triangular/Derived Mesh
+ *
  * \since QGIS 3.2
  */
 class CORE_EXPORT QgsTriangularMesh