From fdfdf20d085a7c705477d878c11ed208577facb1 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 19 Oct 2020 00:16:11 +0200
Subject: Revert tag name to previous after void tag end (such as <br>)

---
 include/HtmlParser.h |  2 ++
 src/HtmlParser.c     | 15 ++++++++++++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/include/HtmlParser.h b/include/HtmlParser.h
index 7536777..6a295aa 100644
--- a/include/HtmlParser.h
+++ b/include/HtmlParser.h
@@ -34,12 +34,14 @@ struct HtmlParser {
     HtmlParseCallback parse_callback;
     void *callback_userdata;
 
+    /* The name of the current enclosing tag */
     HtmlStringView tag_name;
     HtmlStringView attribute_key;
     HtmlStringView attribute_value;
     HtmlStringView text;
     HtmlStringView text_stripped;
 
+    HtmlStringView tag_before_void_tag;
     int is_tag_void;
     int inside_script_tag;
 
diff --git a/src/HtmlParser.c b/src/HtmlParser.c
index 8b27d6d..861168e 100644
--- a/src/HtmlParser.c
+++ b/src/HtmlParser.c
@@ -102,6 +102,8 @@ static void html_parser_reset(HtmlParser *self) {
     self->text.size = 0;
     self->text_stripped.data = NULL;
     self->text_stripped.size = 0;
+    self->tag_before_void_tag.data = NULL;
+    self->tag_before_void_tag.size = 0;
     self->is_tag_void = 0;
     self->inside_script_tag = 0;
     self->unclosed_tags_offset = 0;
@@ -308,8 +310,10 @@ static void html_parser_parse_tag_start(HtmlParser *self) {
     for(;;) {
         char c = html_parser_next_char(self);
         if(c == '>') {
-            if(tag_name_found && self->is_tag_void)
+            if(tag_name_found && self->is_tag_void) {
                 self->parse_callback(self, HTML_PARSE_TAG_END, self->callback_userdata);
+                self->tag_name = self->tag_before_void_tag;
+            }
             self->is_tag_void = 0;
             
             if(self->inside_script_tag) {
@@ -323,7 +327,9 @@ static void html_parser_parse_tag_start(HtmlParser *self) {
                 html_parser_advance_char(self);
                 if(tag_name_found) {
                     self->parse_callback(self, HTML_PARSE_TAG_END, self->callback_userdata);
-                    if(!self->is_tag_void)
+                    if(self->is_tag_void)
+                        self->tag_name = self->tag_before_void_tag;
+                    else
                         html_parser_try_pop_unclosed_tag(self);
                 }
                 self->is_tag_void = 0;
@@ -366,6 +372,7 @@ static void html_parser_parse_tag_start(HtmlParser *self) {
                 self->parse_callback(self, HTML_PARSE_ATTRIBUTE, self->callback_userdata);
             } else {
                 /* tag name */
+                HtmlStringView prev_tag_name = self->tag_name;
                 self->tag_name = identifier;
                 html_string_view_to_lowercase(&self->tag_name);
                 tag_name_found = 1;
@@ -374,7 +381,9 @@ static void html_parser_parse_tag_start(HtmlParser *self) {
                     return;
                 }
                 self->is_tag_void = is_void_tag(&self->tag_name);
-                if(!self->is_tag_void) {
+                if(self->is_tag_void) {
+                    self->tag_before_void_tag = prev_tag_name;
+                } else {
                     html_parser_try_append_unclosed_tag(self, self->tag_name.data, self->tag_name.size);
                     self->inside_script_tag = string_view_equals(&self->tag_name, &script_tag);
                 }
-- 
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