Update html-parser version to latest, add html_node_find_childHEADmaster

1 files changed, 40 insertions, 1 deletions

diff --git a/src/HtmlTree.c b/src/HtmlTree.c
index faef08a..4c1628c 100644
--- a/src/HtmlTree.c
+++ b/src/HtmlTree.c
@@ -1,5 +1,6 @@
 #include "../include/HtmlTree.h"
 #include <stdlib.h>
+#include <string.h>
 #include <assert.h>
 
 static void html_node_deinit(HtmlNode *self);
@@ -123,7 +124,11 @@ static int parse_callback(HtmlParser *html_parser, HtmlParseType parse_type, voi
         }
         case HTML_PARSE_TEXT:
         case HTML_PARSE_JAVASCRIPT_CODE: {
-            HtmlNode *new_node = html_node_create(html_parser->text_stripped, parse_userdata->current_node, parse_type == HTML_PARSE_TEXT ? HTML_NODE_TEXT : HTML_NODE_JS);
+            HtmlNode *new_node;
+            if(html_parser->text_stripped.size == 0)
+                return 0;
+
+            new_node = html_node_create(html_parser->text_stripped, parse_userdata->current_node, parse_type == HTML_PARSE_TEXT ? HTML_NODE_TEXT : HTML_NODE_JS);
             if(!new_node)
                 return 1;
 
@@ -162,3 +167,37 @@ HtmlAttribute* html_node_get_attribute_by_name(HtmlNode *self, HtmlStringView na
     }
     return NULL;
 }
+
+HtmlNode* html_node_find_child(HtmlNode *self, const char *tag_name, const char *attribute_name, const char *attribute_value) {
+    HtmlStringView tag;
+    HtmlStringView attr_name;
+    HtmlStringView attr_value;
+    HtmlNodeChild *child;
+
+    tag.data = tag_name;
+    tag.size = strlen(tag_name);
+
+    attr_name.data = attribute_name;
+    attr_name.size = strlen(attribute_name);
+
+    attr_value.data = attribute_value;
+    attr_value.size = strlen(attribute_value);
+
+    for(child = self->first_child; child; child = child->next) {
+        HtmlAttribute *attr;
+        if(child->node.node_type != HTML_NODE_NODE)
+            continue;
+
+        if(!html_string_view_equals_case_insensitive(&child->node.name_or_value, &tag))
+            continue;
+
+        attr = html_node_get_attribute_by_name(&child->node, attr_name);
+        if(!attr)
+            continue;
+
+        if(html_string_view_equals_case_insensitive(&attr->value, &attr_value))
+            return &child->node;
+    }
+
+    return NULL;
+}