editor: start on html serializer

diff --git a/editor.coffee b/editor.coffee
index 4de3b81..32c1d4d 100644 (file)
--- a/editor.coffee
+++ b/editor.coffee
@@ -14,3 +14,65 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+# encode text so it can be safely placed inside an html attribute
+enc_attr = (txt) ->
+       # FIXME implement
+       return txt
+
+void_elements = {
+       area: true
+       base: true
+       br: true
+       col: true
+       embed: true
+       hr: true
+       img: true
+       input: true
+       keygen: true
+       link: true
+       meta: true
+       param: true
+       source: true
+       track: true
+       wbr: true
+}
+dom_to_html = (dom) ->
+       ret = ''
+       for el in dom
+               switch el.type
+                       when wheic_parser.TYPE_TAG
+                               ret += '<' + el.name
+                               attr_keys = []
+                               for k of el.attrs
+                                       attr_keys.push k
+                               attr_keys.sort()
+                               for k in attr_keys
+                                       ret += " #{k}=\"#{enc_attr el.attrs[k]}\""
+                               ret += '>'
+                               unless ret.name in void_elements
+                                       if el.children.length
+                                               ret += dom_to_html el.children
+                                       ret += "</#{el.name}>"
+                       when wheic_parser.TYPE_TEXT
+                               ret += el.text
+                       when wheic_parser.TYPE_COMMENT
+                               ret += "<!--#{el.text}-->"
+                       when wheic_parser.TYPE_DOCTYPE
+                               ret += "<!DOCTYPE #{el.name}"
+                               if el.public_identifier? and el.public_identifier.length > 0
+                                       ret += " \"#{el.public_identifier}\""
+                               if el.system_identifier? and el.system_identifier.length > 0
+                                       ret += " \"#{el.system_identifier}\""
+       return ret
+
+make_wysiwyg = (el, options = {}) ->
+       opt_fragment = options.fragment ? true
+       parser_opts = {}
+       if opt_fragment
+               parser_opts.fragment = 'body'
+       dom = wheic_parser.parse(el.value, parser_opts)
+       el.value = dom_to_html dom
+
+window.wheic = make_wysiwyg
+
+# test in browser: wheic(document.getElementsByTagName('textarea')[0])

diff --git a/parser.coffee b/parser.coffee
index 804c257..509e492 100644 (file)
--- a/parser.coffee
+++ b/parser.coffee
@@ -322,9 +322,9 @@ legacy_char_refs = {
        yen: '¥', yuml: 'ÿ'
 }
 
-void_elements = ['area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr']
-raw_text_elements = ['script', 'style']
-escapable_raw_text_elements = ['textarea', 'title']
+#void_elements = ['area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input', 'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr']
+#raw_text_elements = ['script', 'style']
+#escapable_raw_text_elements = ['textarea', 'title']
 # http://www.w3.org/TR/SVG/ 1.1 (Second Edition)
 svg_elements = [
        'a', 'altGlyph', 'altGlyphDef', 'altGlyphItem', 'animate', 'animateColor',