Add quickmedia_html_node_find_child

1 files changed, 31 insertions, 0 deletions

diff --git a/src/HtmlSearch.c b/src/HtmlSearch.c
index 8449ac9..adf64bd 100644
--- a/src/HtmlSearch.c
+++ b/src/HtmlSearch.c
@@ -450,6 +450,37 @@ QuickMediaStringView quickmedia_html_node_get_attribute_value(QuickMediaHtmlNode
     }
 }
 
+QuickMediaHtmlNode* quickmedia_html_node_find_child(QuickMediaHtmlNode *self, const char *tag_name, const char *attribute_name, const char *attribute_value) {
+    QuickMediaStringView tag;
+    tag.data = tag_name;
+    tag.size = strlen(tag_name);
+
+    QuickMediaStringView attr_name;
+    attr_name.data = attribute_name;
+    attr_name.size = strlen(attribute_name);
+
+    QuickMediaStringView attr_value;
+    attr_value.data = attribute_value;
+    attr_value.size = strlen(attribute_value);
+
+    for(QuickMediaHtmlChildNode *child = self->first_child; child; child = child->next) {
+        if(!child->node.is_tag)
+            continue;
+
+        if(!string_views_equal_case_insensitive(child->node.name, tag))
+            continue;
+
+        QuickMediaHtmlAttribute *attr = get_attribute_by_name(child, attr_name);
+        if(!attr)
+            continue;
+
+        if(string_views_equal_case_insensitive(attr->value, attr_value))
+            return &child->node;
+    }
+
+    return NULL;
+}
+
 static int merge_inner_text(QuickMediaHtmlNode *node, QuickMediaString *str) {
     if(node->is_tag) {
         int newline = 0;