From ce299ebc874568bb001c668fee0fff054880b0a8 Mon Sep 17 00:00:00 2001
From: Adrien Bourmault <neox@os-k.eu>
Date: Fri, 20 Aug 2021 17:33:41 +0200
Subject: [PATCH] XML parsing

---
 include/xml.h   | 34 ++++++++++++++++++++++++++++++++++
 src/tests/xml.c |  2 +-
 src/xml.c       | 24 ------------------------
 3 files changed, 35 insertions(+), 25 deletions(-)
 delete mode 100644 src/xml.c

diff --git a/include/xml.h b/include/xml.h
index f2ec98c..6e9c8f2 100644
--- a/include/xml.h
+++ b/include/xml.h
@@ -23,4 +23,38 @@
     #include "../include/base.h"
 #endif
 
+#include <string.h>
+#include <stdlib.h>
+#include <libxml2/libxml/xmlmemory.h>
+#include <libxml2/libxml/parser.h>
+
+static xmlDocPtr currentDocument = NULL;
+static xmlNodePtr currentDocumentRoot = NULL;
+
+void setCurrentDocument(char *filename)
+{
+    currentDocument = xmlParseFile(filename);
+
+    if (currentDocument == NULL ) {
+        printLog("%s not parsed successfully.\n", filename);
+        xmlFreeDoc(currentDocument);
+        currentDocument = NULL;
+    }
+
+    currentDocumentRoot = xmlDocGetRootElement(currentDocument);
+
+    if (currentDocumentRoot == NULL ) {
+        printLog("%s is invalid (no root)\n", filename);
+        xmlFreeDoc(currentDocument);
+        currentDocument = NULL;
+        currentDocumentRoot = NULL;
+    }
+}
+
+void delCurrentDocument(void)
+{
+    currentDocument = xmlFreeDoc(currentDocument);
+    currentDocumentRoot = NULL;
+    currentDocument = NULL;
+}
 
diff --git a/src/tests/xml.c b/src/tests/xml.c
index 6c5eb80..7a39d08 100644
--- a/src/tests/xml.c
+++ b/src/tests/xml.c
@@ -58,7 +58,7 @@ int main(int argc, char **argv)
     }
 
     docname = argv[1];
-    parseDoc (docname);
+    parseDoc(docname);
 
     return 0;
 }
diff --git a/src/xml.c b/src/xml.c
deleted file mode 100644
index f45259e..0000000
--- a/src/xml.c
+++ /dev/null
@@ -1,24 +0,0 @@
-//=-------------------------------------------------------------------------=//
-//  XML management tools                                                     //
-//                                                                           //
-//  Copyright © 2021 The Gem-graph Project                                   //
-//                                                                           //
-//  This file is part of gem-graph.                                          //
-//                                                                           //
-//  This program is free software: you can redistribute it and/or modify     //
-//  it under the terms of the GNU Affero General Public License as           //
-//  published by the Free Software Foundation, either version 3 of the       //
-//  License, or (at your option) any later version.                          //
-//                                                                           //
-//  This program is distributed in the hope that it will be useful,          //
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
-//  GNU Affero General Public License for more details.                      //
-//                                                                           //
-//  You should have received a copy of the GNU Affero General Public License //
-//  along with this program.  If not, see <https://www.gnu.org/licenses/>.   //
-//=-------------------------------------------------------------------------=//
-
-#include "../include/base.h"
-
-