From cf3ea4c1cf323f71e8e680af074d95e91810ba9e Mon Sep 17 00:00:00 2001
From: Arturs Artamonovs <dos21h@gmail.com>
Date: Sun, 29 Jan 2023 12:26:48 +0000
Subject: Update toc generator id's

---
 src/md.py | 178 +++++++++++++++++++++++++++-----------------------------------
 1 file changed, 76 insertions(+), 102 deletions(-)

diff --git a/src/md.py b/src/md.py
index 60fb574..bcca756 100755
--- a/src/md.py
+++ b/src/md.py
@@ -12,103 +12,17 @@ import mistune
 #global name for templates
 article = {}#
 
-#class TocMixin():
-#	"""TOC mixin for Renderer, mix this with Renderer::#
-
-#		class TocRenderer(TocMixin, Renderer):
-#			pass#
-
-#		toc = TocRenderer()
-#		md = mistune.Markdown(renderer=toc)#
-
-#		# required in this order
-#		toc.reset_toc()		  # initial the status
-#		md.parse(text)		   # parse for headers
-#		toc.render_toc(level=3)  # render TOC HTML
-#	"""#
-
-#	def reset_toc(self):
-#		self.toc_tree = []
-#		self.toc_count = 0
-#		self.title = None
-#		self.img_count = -1#
-
-#	def header(self, text, level, raw=None):
-#		rv = ""
-#		if level != 1:
-#			rv = '<h%d id="toc-%d">%s</h%d>\n' % (
-#				level, self.toc_count, text, level
-#			)
-#		else:
-#			self.title = text
-#		self.toc_tree.append((self.toc_count, text, level, raw))
-#		self.toc_count += 1
-#		return rv#
-
-#	#Lets do previev image
-#	def image(self, src, title, alt_text):
-#		prev_img = src.split(".")
-#		prev_img = prev_img[0]+"_prev."+prev_img[1]
-#		self.img_count += 1
-#		return "<a href="+src+"><img src=\""+prev_img+"\" alt=\""+alt_text+"\"></a>"#
-
-#	def render_toc(self, level=3):
-#		"""Render TOC to HTML.#
-
-#		:param level: render toc to the given level
-#		"""
-#		return ''.join(self._iter_toc(level))#
-
-#	def _iter_toc(self, level):
-#		first_level = None
-#		last_level = None
-#		cnt = 0#
-
-#		if (self.title != None):
-#			yield '<h1>%s</h1>\n' % (self.title)#
-
-#		yield '<ul id="table-of-content">\n'#
-
-#		for toc in self.toc_tree:
-#			index, text, l, raw = toc
-#			index = cnt
-#			#
-
-#			if l > level:
-#				# ignore this level
-#				continue#
-
-#			if first_level is None:
-#				# based on first level
-#				first_level = l
-#				last_level = l
-#				#yield '<li><a href="#toc-%d">%s</a>' % (cnt, text)
-#				yield ''
-#			elif last_level == l:
-#				yield '</li>\n<li><a href="#toc-%d">%s</a>' % (cnt, text)
-#			elif last_level == l - 1:
-#				last_level = l
-#				yield '<ul>\n<li><a href="#toc-%d">%s</a>' % (cnt, text)
-#			elif last_level > l:
-#				# close indention
-#				yield '</li>'
-#				while last_level > l:
-#					yield '</ul>\n</li>\n'
-#					last_level -= 1
-#				yield '<li><a href="#toc-%d">%s</a>' % (cnt, text)
-#			cnt = cnt + 1#
-
-#		# close tags
-#		yield '</li>\n'
-#		while last_level > first_level:
-#			yield '</ul>\n<!--</li>-->\n'
-#			last_level -= 1#
-
-#		yield '</ul>\n'
-#		self.toc_count = 0#
-
-#class TocRenderer(TocMixin, mistune.Renderer):
-#	pass
+class TocAnchorRenderer(mistune.HTMLRenderer):
+	count = 1
+	def heading(self, text, level, **attrs):
+		tag = 'h' + str(level)
+		html = '<' + tag
+		_id = attrs.get('id')
+		#if _id:
+		#	html += ' id="toc-' + _id + '"'
+		html += ' id="toc-' + str(self.count) + '"'
+		self.count += 1
+		return html + '>' + text + '</' + tag + '>\n'
 
 ################################################################################
 #get first tags and use them to configure some bits
@@ -128,6 +42,53 @@ def get_tags(data):
 			text += line+"\n"
 	return text
 
+################################################################################
+#
+def generate_toc(tags):
+	cnt = 3
+	headers_list = []
+	for tag in tags:
+		if tag["type"] == "heading":
+			attrs = tag["attrs"]
+			#attrs["id"] = "toc-none"
+			headers_list.append({"header":tag["children"][0]["raw"], "level":attrs["level"]})
+	#print(headers_list)
+	############################
+	#generate toc
+	html_toc = '<ul id="table-of-content">\n'
+	first_level = None
+	last_level = None
+	cnt = 1
+	for el in headers_list:
+		l = int(el["level"])
+		
+		if first_level is None:
+			first_level = l
+			last_level = l
+		#same level
+		elif last_level == l:
+			html_toc += '</li>\n<li><a href="#toc-%d">%s</a>' % (cnt, el["header"] )
+		# if last level smaller then open one more
+		elif last_level == l - 1:
+			last_level = l
+			html_toc += '<ul>\n<li><a href="#toc-%d">%s</a>' % (cnt, el["header"])
+		elif last_level > l:
+			# close indention
+			html_toc += '</li>'
+			while last_level > l:
+				html_toc += '</ul>\n</li>\n'
+				last_level -= 1
+			html_toc += '<li><a href="#toc-%d">%s</a>' % (cnt, el["header"])
+		cnt += 1
+
+	html_toc += '</li>\n'
+	while last_level > first_level:
+		html_toc += '</ul>\n<!--</li>-->\n'
+		last_level -= 1
+
+	html_toc += '</ul>'
+	return html_toc
+
 ################################################################################
 #check if there is input file
 if len(sys.argv) < 2:
@@ -138,9 +99,9 @@ md_fn = sys.argv[1]
 
 #template loader
 loader = FileSystemLoader( "/home/fam/downloads/source/repos/md-site/src/templ" )
-templ_env = Environment( loader = loader )#
+templ_env = Environment( loader = loader )
 
-t = templ_env.get_template("main.thtml")#
+t = templ_env.get_template("main.thtml")
 
 ##get md file
 f = open( md_fn, "r" )
@@ -148,13 +109,26 @@ data = f.read()
 data = get_tags(data)
 #toc = TocRenderer()
 ## Create AST rendered
+markdown_raw = mistune.create_markdown(renderer=None)
+raw_tags = markdown_raw(data)
+html_toc = generate_toc(raw_tags)
 
+###########################
 ## Create AST -> Markdown renderer
-
-## Mistune generate MTL
-md_rend = mistune.html(data)
+#markdown_ast = mistune.create_markdown(renderer='ast')
+#print(markdown_ast(raw_tags))
+
+custom_render = True
+if not custom_render:
+	## Mistune generate MTL
+	md_rend = html_toc + mistune.html(data)
+else:
+	## Mistune with custom renderer
+	markdown = mistune.create_markdown(renderer=TocAnchorRenderer())
+	md_rend = html_toc + markdown(data)
 
 #print t.render( article=article, block = md_rend )
 print(t.render( article=article, block = md_rend ))
 
+
 f.close()
\ No newline at end of file
-- 
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