From: Jason Woofenden <jason@jasonwoof.com>
Date: Mon, 14 Dec 2015 19:56:16 +0000 (-0500)
Subject: start making the stack of open elements
X-Git-Url: https://jasonwoof.com/gitweb/?a=commitdiff_plain;h=aec57fc2a788d7fc4482d9338018f6cc474ba722;p=peach-html5-editor.git

start making the stack of open elements
---

diff --git a/parse-html.coffee b/parse-html.coffee
index a393dc0..a9e1ce0 100644
--- a/parse-html.coffee
+++ b/parse-html.coffee
@@ -155,7 +155,7 @@ parse_html = (txt) ->
 	cur = 0 # index of next char in txt to be parsed
 	# declare tree and tokenizer variables so they're in scope below
 	tree = null
-	tree_append_point = null
+	open_tags = [] # stack of open elements
 	tree_state = null
 	tok_state = null
 	tok_cur_tag = null # partially parsed tag
@@ -487,10 +487,10 @@ parse_html = (txt) ->
 	tree_append = (t) ->
 		switch t[0]
 			when TYPE_TEXT
-				if tree_append_point.length > 0 and tree_append_point[tree_append_point.length - 1][0] is TYPE_TEXT
-					tree_append_point[tree_append_point.length - 1][1] += t[1]
+				if open_tags[0][3].length > 0 and open_tags[0][3][open_tags[0][3].length - 1][0] is TYPE_TEXT
+					open_tags[0][3][open_tags[0][3].length - 1][1] += t[1]
 				else
-					tree_append_point.push t
+					open_tags[0][3].push t
 			when TYPE_OPEN_TAG
 				t[0] = TYPE_TAG
 				# convert attributes into a hash
@@ -499,9 +499,9 @@ parse_html = (txt) ->
 					a = t[2].pop()
 					attrs[a[0]] = a[1]
 				t[2] = attrs
-				tree_append_point.push t
-				tree_append_point = t[3]
-				# TODO implement stack of open elements
+				# FIXME probs have to auto-close things first
+				open_tags[0][3].push t
+				open_tags.unshift t
 				# TODO implement formatting elements thing
 			when TYPE_EOF
 				return
@@ -511,8 +511,9 @@ parse_html = (txt) ->
 				console.log "UNIMPLEMENTED tag type: #{t[0]}"
 
 	# tree constructor initialization
-	tree = [] # see comments on TYPE_TAG/etc for the structure of this data
-	tree_append_point = tree
+	# see comments on TYPE_TAG/etc for the structure of this data
+	tree = [TYPE_TAG, 'html', {}, []]
+	open_tags = [tree]
 	tree_state = tree_append
 
 	# tokenizer initialization
@@ -524,7 +525,7 @@ parse_html = (txt) ->
 		if t?
 			tree_state t
 			if t[0] is TYPE_EOF
-				return tree
+				return tree[3]
 	return # never reached
 
 # everything below is tests on the above