From 86a62889d249f395d2d9d412159015c333f7cfa8 Mon Sep 17 00:00:00 2001
From: Philipp Schafft <lion@lion.leolix.org>
Date: Wed, 27 Jun 2018 10:00:21 +0000
Subject: [PATCH] Feature: Added a way to find a node by attribute (useful for
 IDs).

---
 src/reportxml.c | 42 ++++++++++++++++++++++++++++++++++++++++++
 src/reportxml.h |  2 ++
 2 files changed, 44 insertions(+)

diff --git a/src/reportxml.c b/src/reportxml.c
index 21a4e94b..b175b98b 100644
--- a/src/reportxml.c
+++ b/src/reportxml.c
@@ -217,6 +217,14 @@ reportxml_node_t *      reportxml_get_root_node(reportxml_t *report)
     return report->root;
 }
 
+reportxml_node_t *      reportxml_get_node_by_attribute(reportxml_t *report, const char *key, const char *value, int include_definitions)
+{
+    if (!report || !key || !value)
+        return NULL;
+
+    return reportxml_node_get_child_by_attribute(report->root, key, value, include_definitions);
+}
+
 reportxml_t *           reportxml_parse_xmldoc(xmlDocPtr doc)
 {
     reportxml_node_t *root;
@@ -652,6 +660,40 @@ reportxml_node_t *      reportxml_node_get_child(reportxml_node_t *node, size_t
     return node->childs[idx];
 }
 
+reportxml_node_t *      reportxml_node_get_child_by_attribute(reportxml_node_t *node, const char *key, const char *value, int include_definitions)
+{
+    reportxml_node_t *ret;
+    xmlChar *k;
+    size_t i;
+
+    if (!node || !key ||!value)
+        return NULL;
+
+    k = xmlGetProp(node->xmlnode, XMLSTR(key));
+    if (k != NULL) {
+        if (strcmp((const char*)k, value) == 0) {
+            xmlFree(k);
+
+            if (refobject_ref(node) != 0)
+                return NULL;
+
+            return node;
+        }
+        xmlFree(k);
+    }
+
+    if (node->type == REPORTXML_NODE_TYPE_DEFINITION && !include_definitions)
+        return NULL;
+
+    for (i = 0; i < node->childs_len; i++) {
+        ret = reportxml_node_get_child_by_attribute(node->childs[i], key, value, include_definitions);
+        if (ret != NULL)
+            return ret;
+    }
+
+    return NULL;
+}
+
 int                     reportxml_node_set_content(reportxml_node_t *node, const char *value)
 {
     const struct nodedef *nodedef;
diff --git a/src/reportxml.h b/src/reportxml.h
index 18713fd0..950db43b 100644
--- a/src/reportxml.h
+++ b/src/reportxml.h
@@ -36,6 +36,7 @@ typedef enum {
 
 reportxml_t *           reportxml_new(void);
 reportxml_node_t *      reportxml_get_root_node(reportxml_t *report);
+reportxml_node_t *      reportxml_get_node_by_attribute(reportxml_t *report, const char *key, const char *value, int include_definitions);
 reportxml_t *           reportxml_parse_xmldoc(xmlDocPtr doc);
 xmlDocPtr               reportxml_render_xmldoc(reportxml_t *report);
 
@@ -49,6 +50,7 @@ char *                  reportxml_node_get_attribute(reportxml_node_t *node, con
 int                     reportxml_node_add_child(reportxml_node_t *node, reportxml_node_t *child);
 ssize_t                 reportxml_node_count_child(reportxml_node_t *node);
 reportxml_node_t *      reportxml_node_get_child(reportxml_node_t *node, size_t idx);
+reportxml_node_t *      reportxml_node_get_child_by_attribute(reportxml_node_t *node, const char *key, const char *value, int include_definitions);
 int                     reportxml_node_set_content(reportxml_node_t *node, const char *value);
 char *                  reportxml_node_get_content(reportxml_node_t *node);