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

experimental/PdfViewer/SkPdfEmbeddedFileStreamDictionary_autogen.h

 #ifndef __DEFINED__SkPdfEmbeddedFileStreamDictionary
 #define __DEFINED__SkPdfEmbeddedFileStreamDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries in an embedded file stream dictionary
 class SkPdfEmbeddedFileStreamDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kEmbeddedFileStreamDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kEmbeddedFileStreamDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfEmbeddedFileStreamDictionary* asEmbeddedFileStreamDictionary() {return this;}
   virtual const SkPdfEmbeddedFileStreamDictionary* asEmbeddedFileStreamDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfEmbeddedFileStreamDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfEmbeddedFileStreamDictionary& operator=(const SkPdfEmbeddedFileStreamDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Optional) The type of PDF object that this dictionary describes; if present,
+ *  must be EmbeddedFile for an embedded file stream.
+**/
+  bool has_Type() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", NULL));
+  }
+
   std::string Type() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Type", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional) The subtype of the embedded file. The value of this entry must be
+ *  a first-class name, as defined in Appendix E. Names without a registered pre-
+ *  fix must conform to the MIME media type names defined in Internet RFC
+ *  2046, Multipurpose Internet Mail Extensions (MIME), Part Two: Media Types
+ *  (see the Bibliography), with the provision that characters not allowed in
+ *  names must use the 2-character hexadecimal code format described in Sec-
+ *  tion 3.2.4, "Name Objects."
+**/
+  bool has_Subtype() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", NULL));
+  }
+
   std::string Subtype() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Subtype", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional) An embedded file parameter dictionary containing additional, file-
+ *  specific information (see Table 3.34).
+**/
+  bool has_Params() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Params", "", NULL));
+  }
+
   SkPdfDictionary* Params() const {
     SkPdfDictionary* ret;
     if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Params", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return NULL;
   }
 
 };
 
 #endif  // __DEFINED__SkPdfEmbeddedFileStreamDictionary