diff --git a/Makefile b/Makefile
index 4ebaebe..e41c7be 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ DEBDIR=debian
 
 SERVEROBJ=	$(BINDIR)/scheduler.o $(BINDIR)/server.o $(BINDIR)/worker.o \
 		$(BINDIR)/centers.o $(BINDIR)/cmds.o $(BINDIR)/model.o \
-		$(BINDIR)/main.o $(BINDIR)/arrows.o
+		$(BINDIR)/main.o $(BINDIR)/arrows.o $(BINDIR)/parsing.o
 CLIOBJ=		$(BINDIR)/cli.o
 
 SRCS=$(patsubst $(BINDIR)/%.o,$(SRCDIR)/%.c,$(SERVEROBJ)) \
diff --git a/debian/var/models/example.xml b/debian/var/models/example.xml
index 0f2908a..03643ef 100644
--- a/debian/var/models/example.xml
+++ b/debian/var/models/example.xml
@@ -9,7 +9,7 @@
     <name>Modèle de test</name>
     <author>Adrien Bourmault</author>
     <author_id>1</author_id>
-    <date>1629822515</date>   <!-- TODO timestamp ? -->
+    <date>1629822515</date>
     <version>1.0</version>
 
   </identity>
@@ -18,7 +18,7 @@
   <parameters id="" date="" author="">
     <modelization>
       <max_thread value="0"/>
-      <max_cycles value="13"/>
+      <max_cycle value="13"/>
 
     </modelization>
 
@@ -26,7 +26,7 @@
       <dimension value="2"/>
       <size x="" y="" z=""/>
       <site_multiplicity value="2"/>
-      <boundaries/>                     <!-- TODO -->
+      <!-- <boundaries/>, TODO -->
 
     </space>
 
diff --git a/include/arrows.h b/include/arrows.h
index 20be61f..8543726 100644
--- a/include/arrows.h
+++ b/include/arrows.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/centers.h b/include/centers.h
index 45f93cb..f1007e1 100644
--- a/include/centers.h
+++ b/include/centers.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/cmds.h b/include/cmds.h
index a36f3c1..a4280d6 100644
--- a/include/cmds.h
+++ b/include/cmds.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/model.h b/include/model.h
index 7f716f0..4721249 100644
--- a/include/model.h
+++ b/include/model.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/scheduler.h b/include/scheduler.h
index 7532a47..adc07b8 100644
--- a/include/scheduler.h
+++ b/include/scheduler.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/server.h b/include/server.h
index e8f2353..8110fb0 100644
--- a/include/server.h
+++ b/include/server.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/supervisor.h b/include/supervisor.h
index 6b74039..5932f1b 100644
--- a/include/supervisor.h
+++ b/include/supervisor.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/terminal.h b/include/terminal.h
index 7f09846..7c1f68d 100644
--- a/include/terminal.h
+++ b/include/terminal.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/worker.h b/include/worker.h
index 70c88c7..b00f18b 100644
--- a/include/worker.h
+++ b/include/worker.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
diff --git a/include/xml.h b/include/xml.h
index 3747f7e..d56d876 100644
--- a/include/xml.h
+++ b/include/xml.h
@@ -19,6 +19,7 @@
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
 //=-------------------------------------------------------------------------=//
 
+#pragma once
 #ifndef BASE_H
     #include "../include/base.h"
 #endif
@@ -30,181 +31,4 @@
 #include <libxml2/libxml/xmlmemory.h>
 #include <libxml2/libxml/parser.h>
 
-/* -------------------------------------------------------------------------- */
 
-static xmlDocPtr currentDocument = NULL;
-static xmlNodePtr currentDocumentRoot = NULL;
-
-/* -------------------------------------------------------------------------- */
-
-// -------------------------------------------------------------------------- //
-// Open and set a document as current document                                //
-// -------------------------------------------------------------------------- //
-static inline void XmlSetNewDocument(const char *filename)
-{
-    currentDocument = xmlParseFile(filename);
-
-    if (currentDocument == NULL ) {
-        printLog("%s not parsed successfully.\n", filename);
-        xmlFreeDoc(currentDocument);
-        currentDocument = NULL;
-        return;
-    }
-
-    currentDocumentRoot = xmlDocGetRootElement(currentDocument);
-
-    if (currentDocumentRoot == NULL ) {
-        printLog("%s is invalid (no root)\n", filename);
-        xmlFreeDoc(currentDocument);
-        currentDocument = NULL;
-        currentDocumentRoot = NULL;
-        return;
-    }
-}
-
-// -------------------------------------------------------------------------- //
-// Close and unset current document                                           //
-// -------------------------------------------------------------------------- //
-static inline void XmlCloseCurrentDocument(void)
-{
-    xmlFreeDoc(currentDocument);
-    currentDocumentRoot = NULL;
-    currentDocument = NULL;
-}
-
-// -------------------------------------------------------------------------- //
-// Reset current working root to document root                                //
-// -------------------------------------------------------------------------- //
-static inline void XmlResetWorkingRoot(void)
-{
-    currentDocumentRoot = xmlDocGetRootElement(currentDocument);
-}
-
-// -------------------------------------------------------------------------- //
-// Parse content of a given XML tag                                           //
-// -------------------------------------------------------------------------- //
-static inline int XmlParseTag(const char* tagName, char *destination,
-                              char destSize)
-{
-    char *curString;
-    size_t cursor = 0;
-    char res = 0;
-
-    xmlNodePtr cur = currentDocumentRoot;
-
-    //printLog("Asked for %s\n", tagName);
-
-    // Enumerate all brothers in tree from current root
-    while (cur != NULL) {
-        //printLog("\tGot %s (res = %d)\n", cur->name, res);
-
-        // Check if current tag is the asked tag
-        if ((!xmlStrcmp(cur->name, (const xmlChar *)tagName))) {
-            //printLog("\tFound %s\n", cur->name);
-            curString = (char*)xmlNodeListGetString(currentDocument,
-                                        cur->xmlChildrenNode, 1);
-            //printLog("\t\tString : %s\n", curString);
-
-            // Check there is text in that tag (and that is asked)
-            if (destination && curString[0] != '\n') {
-                cursor =
-                    snprintf(
-                        destination + cursor * sizeof(char),
-                        destSize,
-                        "%s\n",
-                        curString);
-                res++;
-            }
-            free(curString);
-        }
-            cur = cur->next;
-    }
-    return res;
-}
-
-// -------------------------------------------------------------------------- //
-// Find a working root for a given tag                                        //
-// -------------------------------------------------------------------------- //
-static inline xmlNodePtr findWorkingRoot(const char *tagName,
-                                         xmlNodePtr curRoot)
-{
-    xmlNodePtr cur = curRoot;
-    xmlNodePtr recur;
-
-    //printLog("Asked for %s\n", tagName);
-
-    while (cur != NULL) {
-        if ((!xmlStrcmp(cur->name, (const xmlChar *)tagName))){
-            currentDocumentRoot = cur;
-            return cur;
-        }
-
-        if (cur->xmlChildrenNode) {
-            if ((recur =
-                 findWorkingRoot(tagName,
-                                 (xmlNodePtr)cur->xmlChildrenNode)) != NULL)
-                return recur;
-        }
-
-        cur = cur->next;
-    }
-
-    return NULL;
-}
-
-// -------------------------------------------------------------------------- //
-// Parse and validate an XML tree from given structural tree                  //
-// and current document                                                       //
-// -------------------------------------------------------------------------- //
-static inline int XmlParseTree(ModelField_t *curTree)
-{
-    int currentOrSonCorrectlyParsed = 0;
-    int curValueLen;
-
-    while (curTree) {
-        if (findWorkingRoot(
-             curTree->tag,
-             currentDocumentRoot->parent
-                      ) == NULL) {
-            printLog("Error : can't find a new root\n");
-            return EBADF;
-        }
-
-        //printLog("Asked for %s\n", curTree->tag);
-
-        // Try to parse current tag
-        if (XmlParseTag(curTree->tag, curTree->destination,
-                        curTree->size) != 0) {
-            // There are values in that tag
-            if (curTree->destination[0])
-                if (!(curTree->destination[0] == '\0')) {
-                    curValueLen = strlen(curTree->destination);
-
-                    // Delete \n chars
-                    for(int i = 0; i < curValueLen; i++) {
-                        if(curTree->destination[i] == '\n') {
-                            memmove(&curTree->destination[i],
-                                    &curTree->destination[i+1],
-                                    curValueLen - i);
-                            curValueLen--;
-                            i--;
-                        }
-                    }
-                    printLog("Field %s: %s\n", curTree->tag, curTree->destination);
-                }
-        } else {
-            // There aren't values in that tag
-            if (curTree->mandatory) {
-                // But it was mandatory
-                printLog("Error : can't find %s\n", curTree->tag);
-                return EBADF;
-            }
-        }
-
-        if (curTree->son)
-            currentOrSonCorrectlyParsed |= XmlParseTree(curTree->son);
-
-        curTree = curTree->next;
-    }
-    return currentOrSonCorrectlyParsed;
-}
diff --git a/src/cli.c b/src/cli.c
index 3927441..b298b28 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -44,6 +44,8 @@
 #define KEY_BACKSPACE 127
 #define KEY_DELETE 126      // accessible after sequence KEY_ESCAPE_1, 2, 3
 
+/* -------------------------------------------------------------------------- */
+
 //
 // Print monitor screen
 //
diff --git a/src/main.c b/src/main.c
index 6d6af93..8a32941 100644
--- a/src/main.c
+++ b/src/main.c
@@ -23,6 +23,8 @@
 #include "../include/server.h"
 #include "../include/model.h"
 
+/* -------------------------------------------------------------------------- */
+
 static Server_t *server;
 
 static void SigIntTermHandler(int signum)
diff --git a/src/model.c b/src/model.c
index 90917d0..f4330c8 100644
--- a/src/model.c
+++ b/src/model.c
@@ -20,7 +20,7 @@
 //=-------------------------------------------------------------------------=//
 
 #include "../include/base.h"
-#include "../include/xml.h"
+#include "../include/parsing.h"
 #include "../include/arrows.h"
 #include "../include/scheduler.h"
 
@@ -50,8 +50,6 @@ static int knownModelSize;     // begins to 1
 Model_t *lastModel;
 Model_t **lastModelAddr;
 
-
-static inline int ModelParseFile(Model_t *model);
 void ModelSystemDestroy(void);
 
 /* -------------------------------------------------------------------------- */
@@ -293,7 +291,7 @@ void ModelSystemInit(Parameters_t *parameters)
                     extensionPosition - modelDirEntry->d_name);
 
             // Ask to parse the new model
-            if (ModelParseFile(newModel) != 0) {
+            if (ParseModelXML(newModel) != 0) {
                 ModelDelete(newModel->id);
                 continue;
             };
@@ -338,66 +336,3 @@ static inline void CreateField(ModelField_t *modelField,
     modelField->son = son;
     modelField->next = next;
 }
-
-static inline int ModelParseFile(Model_t *model)
-{
-    char date[25];
-
-    ModelField_t identityField;
-        ModelField_t identityNameField;
-        ModelField_t identityAuthorField;
-        ModelField_t identityDateField;
-        ModelField_t identityVersionField;
-    ModelField_t parametersField;
-        ModelField_t parametersModelizationField;
-        ModelField_t parametersSpaceField;
-
-    CreateField(&identityField,
-                "identity", false, NULL, 0, &identityNameField, NULL);
-
-        CreateField(&identityNameField,
-                "name", true, model->name, MAX_MODEL_NAME_SIZE,
-                    NULL, &identityAuthorField);
-
-        CreateField(&identityAuthorField,
-                "author", true, model->author, MAX_AUTHOR_NAME_SIZE,
-                    NULL, &identityDateField);
-
-        CreateField(&identityDateField,
-                "date", true, date, 25,
-                    NULL, &identityVersionField);
-
-        CreateField(&identityVersionField,
-                "version", true, model->version, MAX_VERSION_SIZE, NULL, NULL);
-
-    CreateField(&parametersField,
-        "parameters", false, NULL, 0, NULL, NULL);
-
-        CreateField(&parametersModelizationField,
-            "modelization", false, NULL, 0, NULL, NULL);
-
-        CreateField(&parametersSpaceField,
-            "space", false, NULL, 0, NULL, NULL);
-
-
-    // TODO modify model according to things in file
-
-    printLog("Parsing model %s\n", model->name);
-    XmlSetNewDocument(model->filename);
-
-    XmlResetWorkingRoot();
-
-    XmlCloseCurrentDocument();
-
-    if (XmlParseTree(&identityField) != 0) {
-        printLog("Invalid document, parsing can't succeed!\n");
-        return EBADF;
-    }
-
-    // Interpret what needs to be
-    model->date = strtol(date, NULL, 0);
-
-    // validate when we're finished
-    model->validated = true;
-    return 0;
-}
diff --git a/src/scheduler.c b/src/scheduler.c
index e32f8a5..ecb3f37 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -26,6 +26,8 @@
 
 #include <sys/sysinfo.h>
 
+/* -------------------------------------------------------------------------- */
+
 static void *schedulerMain(void *scheduler);
 
 /* -------------------------------------------------------------------------- */
diff --git a/src/server.c b/src/server.c
index 3d55992..494f548 100644
--- a/src/server.c
+++ b/src/server.c
@@ -29,6 +29,8 @@
 #include <fcntl.h>
 #include <errno.h>
 
+/* -------------------------------------------------------------------------- */
+
 static void *serverMain(void *server);
 
 /* -------------------------------------------------------------------------- */
diff --git a/src/supervisor.c b/src/supervisor.c
index a3e8805..385647d 100644
--- a/src/supervisor.c
+++ b/src/supervisor.c
@@ -21,6 +21,8 @@
 
 #include "../include/base.h"
 
+/* -------------------------------------------------------------------------- */
+
 static void *supervisorMain(void *supervisor);
 
 /* -------------------------------------------------------------------------- */
diff --git a/src/worker.c b/src/worker.c
index 4c168fd..356c103 100644
--- a/src/worker.c
+++ b/src/worker.c
@@ -21,6 +21,8 @@
 
 #include "../include/base.h"
 
+/* -------------------------------------------------------------------------- */
+
 static void *WorkerMain(void *worker);
 
 /* -------------------------------------------------------------------------- */