Use symbols.json for determining the API

Also to get rid of regular expression parsing, instead of
collecting exports for observables from the source files, we use
the 'observable' annotations.

apidoc/plugins/exports.js

@@ -8,25 +8,12 @@
 
 var api = [];
 var unexported = [];
+var observablesByClass = {};
 
 function collectExports(source) {
-  var i, ii, symbol, property;
+  var symbols = JSON.parse(source).symbols;
-  var syms = source.match(/goog\.exportSymbol\([^\)]*\)/g);
+  for (var i = 0, ii = symbols.length; i < ii; ++i) {
-  if (syms) {
+    api.push(symbols[i].name);
-    i = 0; ii = syms.length;
-    for (; i < ii; ++i) {
-      symbol = syms[i].match(/'([^']*)'/)[1];
-      api.push(symbol);
-    }
-  }
-  var props = source.match(/goog\.exportProperty\([^\)]*\)/g);
-  if (props) {
-    i = 0; ii = props.length;
-    for (; i < ii; ++i) {
-      property = props[i].match(/[^,]*,[^,]*,\r?\n? *([^\)]*)\)/)[1]
-          .replace('.prototype.', '#');
-      api.push(property);
-    }
   }
 }
 
@@ -44,18 +31,12 @@ function collectOliExports(source) {
 
 var encoding = env.conf.encoding || 'utf8';
 var fs = require('jsdoc/fs');
-collectExports(fs.readFileSync('build/exports.js', encoding));
+collectExports(fs.readFileSync('build/symbols.json', encoding));
 collectOliExports(fs.readFileSync('externs/oli.js', encoding));
 
 
 exports.handlers = {
   
-  beforeParse: function(e) {
-    if (/\.js$/.test(e.filename)) {
-      collectExports(e.source);
-    }
-  },
-  
   newDoclet: function(e) {
     var i, ii, j, jj;
     if (e.doclet.meta.filename == "olx.js" && e.doclet.longname != 'olx') {
@@ -87,6 +68,12 @@ exports.handlers = {
         }
       }
     }
+    if (e.doclet.observables) {
+      var observables = observablesByClass[e.doclet.longname] = [];
+      for (i = e.doclet.observables.length - 1; i >= 0; --i) {
+         observables.push(e.doclet.observables[i].name);
+      }
+    }
   },
   
   parseComplete: function(e) {
@@ -109,6 +96,14 @@ exports.handlers = {
       }
       var fqn = doclet.longname;
       if (fqn) {
+        var getterOrSetter = fqn.match(/([^#]*)#[gs]et(.*)/);
+        if (getterOrSetter) {
+          var observables = observablesByClass[getterOrSetter[1]];
+          if (observables && observables.indexOf(getterOrSetter[2].toLowerCase()) > -1) {
+            // Always document getters/setters of observables
+            continue;
+          }
+        }
         doclet.unexported = (api.indexOf(fqn) === -1 && unexported.indexOf(fqn) !== -1);
         if (api.indexOf(fqn) === -1 && unexported.indexOf(fqn) === -1) {
           e.doclets.splice(j, 1);