Deal with ca and CA transparency operators in pdf. add comments to generated classes.

experimental/PdfViewer/SkPdfJavascriptActionDictionary_autogen.h

 #ifndef __DEFINED__SkPdfJavascriptActionDictionary
 #define __DEFINED__SkPdfJavascriptActionDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a JavaScript action
 class SkPdfJavascriptActionDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kJavascriptActionDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kJavascriptActionDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfJavascriptActionDictionary* asJavascriptActionDictionary() {return this;}
   virtual const SkPdfJavascriptActionDictionary* asJavascriptActionDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfJavascriptActionDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfJavascriptActionDictionary& operator=(const SkPdfJavascriptActionDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) The type of action that this dictionary describes; must be JavaScript
+ *  for a JavaScript action.
+**/
+  bool has_S() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", NULL));
+  }
+
   std::string S() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required) A string or stream containing the JavaScript script to be executed.
+ *  Note: PDFDocEncoding or Unicode encoding (the latter identified by the Unicode
+ *  prefix U+ FEFF) is used to encode the contents of the string or stream. (See imple-
+ *  mentation note 89 in Appendix H.)
+**/
+  bool has_JS() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JS", "", NULL));
+  }
+
   bool isJSAString() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JS", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_String || ret->podofo()->GetDataType() == ePdfDataType_HexString;
   }
 
   std::string getJSAsString() const {
     std::string ret = "";
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JS", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
   bool isJSAStream() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JS", "", &ret)) return false;
     return ret->podofo()->HasStream();
   }
 
   SkPdfStream getJSAsStream() const {
     SkPdfStream ret = SkPdfStream();
     if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "JS", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfStream();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfJavascriptActionDictionary