[libosinfo PATCH v3 07/12] loader: Make loader aware of Guest Features

[Fabiano Fidêncio <fidencio@xxxxxxxxxx>]

Signed-off-by: Fabiano Fidêncio <fidencio@xxxxxxxxxx>
---
 osinfo/osinfo_loader.c | 71 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/osinfo/osinfo_loader.c b/osinfo/osinfo_loader.c
index 8f7b2bf..b4bad60 100644
--- a/osinfo/osinfo_loader.c
+++ b/osinfo/osinfo_loader.c
@@ -39,6 +39,7 @@
 #include "osinfo_install_script_private.h"
 #include "osinfo_device_driver_private.h"
 #include "osinfo_resources_private.h"
+#include "osinfo_feature_private.h"
 
 #ifndef USB_IDS
 #define USB_IDS PKG_DATA_DIR "/usb.ids"
@@ -658,6 +659,54 @@ static void osinfo_loader_device_link(OsinfoLoader *loader,
     g_free(related);
 }
 
+static void osinfo_loader_features(OsinfoOs *os,
+                                   OsinfoLoader *loader,
+                                   xmlXPathContextPtr ctxt,
+                                   xmlNodePtr root,
+                                   const gchar *id,
+                                   GError **err)
+{
+    gchar *arch;
+    xmlNodePtr *nodes = NULL;
+    int nnodes, i;
+
+    arch = (gchar *)xmlGetProp(root, BAD_CAST "arch");
+
+    nnodes = osinfo_loader_nodeset("./feature", loader, ctxt, &nodes, err);
+    if (error_is_set(err))
+        goto cleanup;
+
+    for (i = 0; i < nnodes; i++) {
+        gchar *supported;
+        gchar *feature_id;
+        const gchar *name;
+
+        if (nodes[i]->children->type != XML_TEXT_NODE ||
+            !g_str_equal((const gchar *)nodes[i]->name, "feature"))
+            continue;
+
+        name = (const gchar *)nodes[i]->children->content;
+        feature_id = g_strdup_printf("%s:%u", id, i);
+        OsinfoFeature *feature = osinfo_feature_new(feature_id, name, arch);
+        osinfo_os_add_feature(os, feature);
+
+        supported = (gchar *)xmlGetProp(nodes[i],
+                                        BAD_CAST OSINFO_FEATURE_PROP_SUPPORTED);
+        if (supported != NULL) {
+            osinfo_feature_set_supported(feature,
+                                         g_str_equal(supported, "true") ? TRUE: FALSE);
+            g_free(supported);
+        }
+
+        g_free(feature_id);
+        g_object_unref(feature);
+    }
+
+ cleanup:
+    g_free(nodes);
+    g_free(arch);
+}
+
 static void osinfo_loader_product_relshp(OsinfoLoader *loader,
                                          OsinfoProduct *product,
                                          OsinfoProductRelationship relshp,
@@ -1515,6 +1564,28 @@ static void osinfo_loader_os(OsinfoLoader *loader,
     if (error_is_set(err))
         goto cleanup;
 
+    nnodes = osinfo_loader_nodeset("./features", loader, ctxt, &nodes, err);
+    if (error_is_set(err))
+        goto cleanup;
+
+    for (i = 0; i < nnodes; i++) {
+        xmlNodePtr saved;
+        gchar *features_id;
+
+        saved = ctxt->node;
+        ctxt->node = nodes[i];
+        features_id = g_strdup_printf("%s:%u", id, i);
+        osinfo_loader_features(os, loader, ctxt, nodes[i], features_id, err);
+        g_free(features_id);
+
+        ctxt->node = saved;
+
+        if (error_is_set(err))
+            goto cleanup;
+    }
+
+    g_free(nodes);
+
     nnodes = osinfo_loader_nodeset("./media", loader, ctxt, &nodes, err);
     if (error_is_set(err))
         goto cleanup;
-- 
2.19.2

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