refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfType1FormDictionary_autogen.h

 #ifndef __DEFINED__SkPdfType1FormDictionary
 #define __DEFINED__SkPdfType1FormDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfXObjectDictionary_autogen.h"
 
 // Additional entries specific to a type 1 form dictionary
 class SkPdfType1FormDictionary : public SkPdfXObjectDictionary {
@@ skipping 19 matching lines @@
 
   SkPdfType1FormDictionary& operator=(const SkPdfType1FormDictionary& 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 XObject for a form XObject.
 **/
   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 "";
-  }
-
+  std::string Type() const;
 /** (Required) The type of XObject that this dictionary describes; must be Form
  *  for a form XObject.
 **/
   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 "";
-  }
-
+  std::string Subtype() const;
 /** (Optional) A code identifying the type of form XObject that this dictionary
  *  describes. The only valid value defined at the time of publication is 1. Default
  *  value: 1.
 **/
   bool has_FormType() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FormType", "", NULL));
   }
 
-  long FormType() const {
-    long ret;
-    if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "FormType", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return 0;
-  }
-
+  long FormType() const;
 /** (Required in PDF 1.0; optional otherwise) The name by which this form
  *  XObject is referenced in the XObject subdictionary of the current resource
  *  dictionary (see Section 3.7.2, "Resource Dictionaries").
  *  Note: This entry is obsolescent and its use is no longer recommended. (See
  *  implementation note 38 in Appendix H.)
 **/
   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 "";
-  }
-
+  std::string Name() const;
 /** (Required if PieceInfo is present; optional otherwise; PDF 1.3) The date and
  *  time (see Section 3.8.2, "Dates") when the form XObject's contents were
  *  most recently modified. If a page-piece dictionary (PieceInfo) is present, the
  *  modification date is used to ascertain which of the application data diction-
  *  aries it contains correspond to the current content of the form (see Section
  *  9.4, "Page-Piece Dictionaries").
 **/
   bool has_LastModified() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "LastModified", "", NULL));
   }
 
-  SkPdfDate LastModified() const {
-    SkPdfDate ret;
-    if (DateFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "LastModified", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return SkPdfDate();
-  }
-
+  SkPdfDate LastModified() const;
 /** (Required) An array of four numbers in the form coordinate system (see
  *  below), giving the coordinates of the left, bottom, right, and top edges,
  *  respectively, of the form XObject's bounding box. These boundaries are used
  *  to clip the form XObject and to determine its size for caching.
 **/
   bool has_BBox() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BBox", "", NULL));
   }
 
-  SkRect* BBox() const {
-    SkRect* ret;
-    if (SkRectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "BBox", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkRect* BBox() const;
 /** (Optional) An array of six numbers specifying the form matrix, which maps
  *  form space into user space (see Section 4.2.3, "Transformation Matrices").
  *  Default value: the identity matrix [1 0 0 1 0 0].
 **/
   bool has_Matrix() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Matrix", "", NULL));
   }
 
-  SkMatrix* Matrix() const {
-    SkMatrix* ret;
-    if (SkMatrixFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Matrix", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkMatrix* Matrix() const;
 /** (Optional but strongly recommended; PDF 1.2) A dictionary specifying any
  *  resources (such as fonts and images) required by the form XObject (see Sec-
  *  tion 3.7, "Content Streams and Resources").
  *  In PDF 1.1 and earlier, all named resources used in the form XObject must be
  *  included in the resource dictionary of each page object on which the form
  *  XObject appears, whether or not they also appear in the resource dictionary
  *  of the form XObject itself. It can be useful to specify these resources in the
  *  form XObject's own resource dictionary as well, in order to determine which
  *  resources are used inside the form XObject. If a resource is included in both
  *  dictionaries, it should have the same name in both locations.
  *       In PDF 1.2 and later versions, form XObjects can be independent of the
  *       content streams in which they appear, and this is strongly recommended
  *       although not required. In an independent form XObject, the resource dic-
  *       tionary of the form XObject is required and contains all named resources
  *       used by the form XObject. These resources are not "promoted" to the outer
  *       content stream's resource dictionary, although that stream's resource diction-
  *       ary will refer to the form XObject itself.
 **/
   bool has_Resources() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Resources", "", NULL));
   }
 
-  SkPdfResourceDictionary* Resources() const {
-    SkPdfResourceDictionary* ret;
-    if (DictionaryFromDictionary2(fPodofoDoc, fPodofoObj->GetDictionary(), "Resources", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfResourceDictionary* Resources() const;
 /** (Optional; PDF 1.4) A group attributes dictionary indicating that the contents
  *  of the form XObject are to be treated as a group and specifying the attributes
  *  of that group (see Section 4.9.2, "Group XObjects").
  *  Note: If a Ref entry (see below) is present, the group attributes also apply to the
  *  external page imported by that entry. This allows such an imported page to be
  *  treated as a group without further modification.
 **/
   bool has_Group() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Group", "", NULL));
   }
 
-  SkPdfDictionary* Group() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Group", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* Group() const;
 /** (Optional; PDF 1.4) A reference dictionary identifying a page to be imported
  *  from another PDF file, and for which the form XObject serves as a proxy (see
  *  Section 4.9.3, "Reference XObjects").
 **/
   bool has_Ref() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Ref", "", NULL));
   }
 
-  SkPdfDictionary* Ref() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Ref", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* Ref() const;
 /** (Optional; PDF 1.4) A metadata stream containing metadata for the form
  *  XObject (see Section 9.2.2, "Metadata Streams").
 **/
   bool has_Metadata() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Metadata", "", NULL));
   }
 
-  SkPdfStream* Metadata() const {
-    SkPdfStream* ret;
-    if (StreamFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Metadata", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfStream* Metadata() const;
 /** (Optional; PDF 1.3) A page-piece dictionary associated with the form
  *  XObject (see Section 9.4, "Page-Piece Dictionaries").
 **/
   bool has_PieceInfo() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "PieceInfo", "", NULL));
   }
 
-  SkPdfDictionary* PieceInfo() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "PieceInfo", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* PieceInfo() const;
 /** (Required if the form XObject is a structural content item; PDF 1.3) The integer
  *  key of the form XObject's entry in the structural parent tree (see "Finding
  *  Structure Elements from Content Items" on page 600).
 **/
   bool has_StructParent() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "StructParent", "", NULL));
   }
 
-  long StructParent() const {
-    long ret;
-    if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "StructParent", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return 0;
-  }
-
+  long StructParent() const;
 /** (Required if the form XObject contains marked-content sequences that are struc-
  *  tural content items; PDF 1.3) The integer key of the form XObject's entry in
  *  the structural parent tree (see "Finding Structure Elements from Content
  *  Items" on page 600).
  *  Note: At most one of the entries StructParent or StructParents may be present. A
  *  form XObject can be either a content item in its entirety or a container for
  *  marked-content sequences that are content items, but not both.
 **/
   bool has_StructParents() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "StructParents", "", NULL));
   }
 
-  long StructParents() const {
-    long ret;
-    if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "StructParents", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return 0;
-  }
-
+  long StructParents() const;
 /** (Optional; PDF 1.2) An OPI version dictionary for the form XObject (see
  *  Section 9.10.6, "Open Prepress Interface (OPI)").
 **/
   bool has_OPI() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "OPI", "", NULL));
   }
 
-  SkPdfDictionary* OPI() const {
-    SkPdfDictionary* ret;
-    if (DictionaryFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "OPI", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfDictionary* OPI() const;
 };
 
 #endif  // __DEFINED__SkPdfType1FormDictionary