From 14e630cb35818ad8ce5547ac95b83ed28d6522a9 Mon Sep 17 00:00:00 2001
From: Adrien Bourmault <neox@a-lec.org>
Date: Fri, 29 Mar 2024 22:00:00 +0200
Subject: [PATCH] src/model.c: manage attributes

---
 src/model.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/src/model.c b/src/model.c
index 4b4b29e..c272f69 100644
--- a/src/model.c
+++ b/src/model.c
@@ -112,6 +112,48 @@ int model_modify_node(xmlHashTablePtr hashTable,
     return 0; // Node not found or unable to modify
 }
 
+/**
+ * Retrieves the value of an attribute for a node identified by its path.
+ *
+ * @param hashTable The hash table containing nodes indexed by their paths.
+ * @param nodePath The path to the node.
+ * @param attributeName The name of the attribute.
+ * @return The value of the attribute, or NULL if not found.
+ */
+char* model_get_attribute (xmlHashTablePtr hashTable,
+                           const char* nodePath,
+                           const char* attributeName)
+{
+    xmlNodePtr node = (xmlNodePtr)xmlHashLookup(hashTable, (const xmlChar*)nodePath);
+    if (node) {
+        return getAttributeValue(node, attributeName);
+    } else {
+        return NULL;
+    }
+}
+
+/**
+ * Sets or updates the value of an attribute for a node identified by its path.
+ *
+ * @param hashTable The hash table containing nodes indexed by their paths.
+ * @param nodePath The path to the node.
+ * @param attributeName The name of the attribute to set.
+ * @param attributeValue The value to set for the attribute.
+ * @return 1 on success, 0 on failure.
+ */
+int model_set_attribute (xmlHashTablePtr hashTable,
+                         const char* nodePath,
+                         const char* attributeName,
+                         const char* attributeValue)
+{
+    xmlNodePtr node = (xmlNodePtr)xmlHashLookup(hashTable, (const xmlChar*)nodePath);
+    if (node) {
+        return setAttributeValue(node, attributeName, attributeValue);
+    } else {
+        return 0;
+    }
+}
+
 /* -------------------------------------------------------------------------- */
 
 char model_get_dim (struct model_t *self)