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

experimental/PdfViewer/SkPdfFileAttachmentAnnotationDictionary_autogen.h

 #ifndef __DEFINED__SkPdfFileAttachmentAnnotationDictionary
 #define __DEFINED__SkPdfFileAttachmentAnnotationDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a file attachment annotation
 class SkPdfFileAttachmentAnnotationDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kFileAttachmentAnnotationDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kFileAttachmentAnnotationDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfFileAttachmentAnnotationDictionary* asFileAttachmentAnnotationDictionary() {return this;}
   virtual const SkPdfFileAttachmentAnnotationDictionary* asFileAttachmentAnnotationDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfFileAttachmentAnnotationDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfFileAttachmentAnnotationDictionary& operator=(const SkPdfFileAttachmentAnnotationDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) The type of annotation that this dictionary describes; must be
+ *  FileAttachment for a file attachment annotation.
+**/
+  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 "";
   }
 
+/** (Required) The file associated with this annotation.
+**/
+  bool has_FS() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FS", "", NULL));
+  }
+
   SkPdfFileSpec FS() const {
     SkPdfFileSpec ret;
     if (FileSpecFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FS", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfFileSpec();
   }
 
+/** (Required) The text to be displayed in the pop-up window when the annota-
+ *  tion is opened. Carriage returns may be used to separate the text into para-
+ *  graphs.
+**/
+  bool has_Contents() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Contents", "", NULL));
+  }
+
   std::string Contents() const {
     std::string ret;
     if (StringFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Contents", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Optional) The name of an icon to be used in displaying the annotation.
+ *  Viewer applications should provide predefined icon appearances for at least
+ *  the following standard names:
+ *      Graph                                  PushPin
+ *      Paperclip                              Tag
+ *  Additional names may be supported as well. Default value: PushPin.
+ *  Note: The annotation dictionary's AP entry, if present, takes precedence over
+ *  the Name entry; see Table 8.10 on page 490 and Section 8.4.4, "Appearance
+ *  Streams."
+**/
+  bool has_Name() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Name", "", NULL));
+  }
+
   std::string Name() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Name", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
 };
 
 #endif  // __DEFINED__SkPdfFileAttachmentAnnotationDictionary