Rudimentary script support

End scripts on '</'
pgte · Aug 17, 2011 · c8ffb08 · c8ffb08
1 parent 46e3577
commit c8ffb08
Showing 1 changed file with 37 additions and 5 deletions.
diff --git a/lib/sax.js b/lib/sax.js
@@ -20,7 +20,7 @@ sax.MAX_BUFFER_LENGTH = 64 * 1024
 var buffers = [
   "comment", "sgmlDecl", "textNode", "tagName", "doctype",
   "procInstName", "procInstBody", "entity", "attribName",
-  "attribValue", "cdata"
+  "attribValue", "cdata", "script"
 ]
 
 function SAXParser (strict, opt) {
@@ -61,6 +61,11 @@ function checkBufferLength (parser) {
           parser.cdata = ""
         break
 
+        case "script":
+          emitNode(parser, "onscript", parser.script)
+          parser.script = ""
+        break
+
         default:
           error(parser, "Max buffer length exceeded: "+buffers[i])
       }
@@ -215,8 +220,8 @@ sax.STATE =
 , CDATA_ENDING_2            : S++ // ]]
 , PROC_INST                 : S++ // <?hi
 , PROC_INST_BODY            : S++ // <?hi there
-, PROC_INST_QUOTED          : S++ // <?hi there
+, PROC_INST_QUOTED          : S++ // <?hi "there
-, PROC_INST_ENDING          : S++ // <?hi there ?
+, PROC_INST_ENDING          : S++ // <?hi "there" ?
 , OPEN_TAG                  : S++ // <strong
 , OPEN_TAG_SLASH            : S++ // <strong /
 , ATTRIB                    : S++ // <a
@@ -229,6 +234,8 @@ sax.STATE =
 , ATTRIB_VALUE_ENTITY_U     : S++ // <foo bar=&quot;
 , CLOSE_TAG                 : S++ // </a
 , CLOSE_TAG_SAW_WHITE       : S++ // </a   >
+, SCRIPT                    : S++ // <script> ...
+, SCRIPT_ENDING             : S++ // <script> ... <
 }
 
 sax.ENTITIES =
@@ -246,7 +253,8 @@ S = sax.STATE
 sax.EVENTS = [ // for discoverability.
   "text", "processinginstruction", "sgmldeclaration",
   "doctype", "comment", "attribute", "opentag", "closetag",
-  "opencdata", "cdata", "closecdata", "error", "end", "ready" ]
+  "opencdata", "cdata", "closecdata", "error", "end", "ready",
+  "script" ]
 
 function emit (parser, event, data) {
   parser[event] && parser[event](data)
@@ -304,9 +312,14 @@ function openTag (parser, selfClosing) {
   parser.tags.push(parser.tag)
   emitNode(parser, "onopentag", parser.tag)
   if (!selfClosing) {
+    // special case for <script> in non-strict mode.
+    if (!parser.strict && parser.tagName.toLowerCase() === "script") {
+      parser.state = S.SCRIPT
+    } else {
+      parser.state = S.TEXT
+    }
     parser.tag = null
     parser.tagName = ""
-    parser.state = S.TEXT
   }
   parser.attribName = parser.attribValue = ""
 }
@@ -421,6 +434,25 @@ function write (chunk) {
         }
       continue
 
+      case S.SCRIPT:
+        // only non-strict
+        if (c === "<") {
+          parser.state = S.SCRIPT_ENDING
+        } else parser.script += c
+      continue
+
+      case S.SCRIPT_ENDING:
+        if (c === "/") {
+          emitNode(parser, "onscript", parser.script)
+          parser.state = S.CLOSE_TAG
+          parser.script = ""
+          parser.tagName = ""
+        } else {
+          parser.script += "<" + c
+          parser.state = S.SCRIPT
+        }
+      continue
+
       case S.OPEN_WAKA:
         // either a /, ?, !, or text is coming next.
         if (c === "!") {