From fd5527bade00b4692eedb14a801527ceeb342d7c Mon Sep 17 00:00:00 2001
From: DEC05EBA <dec05eba@protonmail.com>
Date: Sat, 4 Jan 2020 20:03:46 +0100
Subject: Call parse callback even for empty text/javascript. Makes tools like
 xpath easier

---
 include/HtmlParser.h |  3 ++-
 src/HtmlParser.c     | 18 +++++-------------
 2 files changed, 7 insertions(+), 14 deletions(-)

diff --git a/include/HtmlParser.h b/include/HtmlParser.h
index a60e6d5..fc3ff3a 100644
--- a/include/HtmlParser.h
+++ b/include/HtmlParser.h
@@ -38,10 +38,11 @@ struct HtmlParser {
     HtmlStringView attribute_key;
     HtmlStringView attribute_value;
     HtmlStringView text;
+    /* Only used when parse_type is HTML_PARSE_TEXT */
+    HtmlStringView text_stripped;
 
     int is_tag_void;
     int inside_script_tag;
-    int pre_tag_depth;
 
     size_t unclosed_tags_offset;
     HtmlStringView unclosed_tags[UNCLOSED_TAGS_SIZE];
diff --git a/src/HtmlParser.c b/src/HtmlParser.c
index 90c1149..8972730 100644
--- a/src/HtmlParser.c
+++ b/src/HtmlParser.c
@@ -91,9 +91,10 @@ static void html_parser_reset(HtmlParser *self) {
     self->attribute_value.size = 0;
     self->text.data = NULL;
     self->text.size = 0;
+    self->text_stripped.data = NULL;
+    self->text_stripped.size = 0;
     self->is_tag_void = 0;
     self->inside_script_tag = 0;
-    self->pre_tag_depth = 0;
     self->unclosed_tags_offset = 0;
 }
 
@@ -274,8 +275,7 @@ static void html_parser_goto_script_end_tag(HtmlParser *self) {
             html_parser_advance_char(self);
         }
     }
-    if(self->text.size > 0)
-        self->parse_callback(self, HTML_PARSE_JAVASCRIPT_CODE, self->callback_userdata);
+    self->parse_callback(self, HTML_PARSE_JAVASCRIPT_CODE, self->callback_userdata);
 }
 
 static void html_parser_goto_comment_end(HtmlParser *self) {
@@ -355,8 +355,6 @@ static void html_parser_parse_tag_start(HtmlParser *self) {
                 if(self->tag_name.size == 3 && memcmp(self->tag_name.data, "!--", 3) == 0) {
                     html_parser_goto_comment_end(self);
                     return;
-                } else if(self->tag_name.size == 3 && memcmp(self->tag_name.data, "pre", 3) == 0) {
-                    ++self->pre_tag_depth;
                 }
                 self->is_tag_void = is_void_tag(&self->tag_name);
                 if(!self->is_tag_void) {
@@ -412,10 +410,6 @@ static void html_parser_parse_tag_end(HtmlParser *self) {
                     self->tag_name = self->unclosed_tags[self->unclosed_tags_offset - 1];
                     self->parse_callback(self, HTML_PARSE_TAG_END, self->callback_userdata);
                 }
-
-                 if(self->tag_name.size == 3 && memcmp(self->tag_name.data, "pre", 3) == 0) {
-                    --self->pre_tag_depth;
-                }
             } else {
                 fprintf(stderr, "Warning: start tag not found for end tag '%.*s'\n", (int)tag_end_name.size, tag_end_name.data);
             }
@@ -450,10 +444,8 @@ void html_parser_parse(HtmlParser *self) {
                     html_parser_advance_char(self);
             }
             self->text.size = (self->source + self->offset) - self->text.data;
-            if(self->pre_tag_depth == 0)
-                strip(self->text.data, self->text.size, &self->text.data, &self->text.size, is_whitespace);
-            if(self->text.size > 0)
-                self->parse_callback(self, HTML_PARSE_TEXT, self->callback_userdata);
+            strip(self->text.data, self->text.size, &self->text_stripped.data, &self->text_stripped.size, is_whitespace);
+            self->parse_callback(self, HTML_PARSE_TEXT, self->callback_userdata);
         }
     }
 
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