From 7d4f4b98c37f86a8744fabc699bbba4253bc37e8 Mon Sep 17 00:00:00 2001
From: JGonzalez <jorge.gonzalez@upm.es>
Date: Mon, 19 Jan 2026 15:37:31 +0100
Subject: [PATCH] Implementing input subroutines

---
 .../mesh/inout/text/moduleMeshInputText.f90   | 90 +++++++++++++++++--
 src/modules/mesh/moduleMesh.f90               |  8 +-
 2 files changed, 88 insertions(+), 10 deletions(-)

diff --git a/src/modules/mesh/inout/text/moduleMeshInputText.f90 b/src/modules/mesh/inout/text/moduleMeshInputText.f90
index 4e29d03..f28de9c 100644
--- a/src/modules/mesh/inout/text/moduleMeshInputText.f90
+++ b/src/modules/mesh/inout/text/moduleMeshInputText.f90
@@ -41,19 +41,25 @@ module moduleMeshInputText
       class(meshGeneric), intent(inout):: self
       character(:), allocatable, intent(in):: filename !Dummy file, not used
       integer:: fileID, reason
-      CHARACTER(LEN=256):: line
-      real(8):: r !dummy 1D coordinate
+      character(len=256):: line
+      integer:: nNodes
+      real(8):: r(1:3) !dummy 3D coordinate
       integer:: physicalID
+      integer:: n, c
+      integer, allocatable:: p(:)
+      integer:: bt
 
       fileID = 10
 
       open(fileID, file=trim(filename))
 
       !Skip header
-      read(fileID)
+      read(fileID, *)
 
+      !Get number of nodes
+      nNodes = 0
       do
-        read(fileID, *, iostat=reason) r, physicalID
+        read(fileID, *, iostat=reason) line
 
         if (reason > 0) then
           call criticalError('Error reading mesh file', 'readText')
@@ -61,10 +67,82 @@ module moduleMeshInputText
         else if (reason < 0) then
           exit
 
+        else if (len(line) > 0) then
+          nNodes = nNodes + 1
+
         end if
 
-        write(*, *) r, physicalID
-        
+      end do
+
+      if (nNodes == 0) then
+        call criticalError('No nodes read in mesh file', 'readText')
+
+      end if
+
+      self%numNodes = nNodes
+      self%numCells = nNodes - 1
+      allocate(self%nodes(1:self%numNodes))
+      allocate(self%cells(1:self%numCells))
+
+      select type(self)
+      type is (meshParticles)
+        self%numEdges = 2
+
+        allocate(self%edges(1:self%numEdges))
+
+      end select
+
+      !Read the mesh now
+      rewind(fileID)
+      
+      !Skip header
+      read(fileID, *)
+
+      !Allocate nodes and edges
+      do n = 1, self%numNodes
+        r = 0.D0
+
+        read(fileID, *) r(1), physicalID
+
+        select case(self%geometry)
+        case("Cart")
+          allocate(meshNode1DCart:: self%nodes(n)%obj)
+
+        case("Rad")
+          allocate(meshNode1DRad:: self%nodes(n)%obj)
+
+        end select
+
+        !Init nodes
+        call self%nodes(n)%obj%init(n, r)
+
+        !Allocate edges if required)
+        select type(self)
+        type is (meshParticles)
+          if ((physicalID == 1) .or. (physicalID == 2)) then
+            select case(self%geometry)
+            case("Cart")
+              allocate(meshEdge1DCart:: self%edges(physicalID)%obj)
+
+            case("Rad")
+              allocate(meshEdge1DRad:: self%edges(physicalID)%obj)
+            
+            end select
+
+            allocate(p(1))
+            p(1) = n
+            bt = getBoundaryId(physicalID)
+            call self%edges(physicalID)%obj%init(physicalID, p, physicalID, physicalID)
+            deallocate(p)
+
+          end if
+
+        end select
+
+      end do
+
+      !Allocate cells
+      do c = 1, self%numCells
 
       end do
 
diff --git a/src/modules/mesh/moduleMesh.f90 b/src/modules/mesh/moduleMesh.f90
index 7ab3914..78cc772 100644
--- a/src/modules/mesh/moduleMesh.f90
+++ b/src/modules/mesh/moduleMesh.f90
@@ -344,10 +344,10 @@ MODULE moduleMesh
     !Array of cell elements
     TYPE(meshCellCont),  ALLOCATABLE:: cells(:)
     !PROCEDURES SPECIFIC OF FILE TYPE
-    PROCEDURE(readMesh_interface),     POINTER, PASS::   readMesh     => NULL()
-    PROCEDURE(readInitial_interface),  POINTER, NOPASS:: readInitial  => NULL()
-    PROCEDURE(connectMesh_interface),  POINTER, PASS::   connectMesh  => NULL()
-    PROCEDURE(printColl_interface),    POINTER, PASS::   printColl    => NULL()
+    PROCEDURE(readMesh_interface),    POINTER, PASS::   readMesh     => NULL()
+    PROCEDURE(readInitial_interface), POINTER, NOPASS:: readInitial  => NULL()
+    PROCEDURE(connectMesh_interface), POINTER, PASS::   connectMesh  => NULL()
+    PROCEDURE(printColl_interface),   POINTER, PASS::   printColl    => NULL()
     CONTAINS
       !GENERIC PROCEDURES
       PROCEDURE, PASS:: doCollisions