refactoring for pdf viewer lib

experimental/PdfViewer/autogen/SkPdfShadingDictionary_autogen.h

 #ifndef __DEFINED__SkPdfShadingDictionary
 #define __DEFINED__SkPdfShadingDictionary
 
 #include "SkPdfUtils.h"
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
 // Entries common to all shading dictionaries
 class SkPdfShadingDictionary : public SkPdfDictionary {
@@ skipping 502 matching lines @@
  *      3    Radial shading
  *      4    Free-form Gouraud-shaded triangle mesh
  *      5    Lattice-form Gouraud-shaded triangle mesh
  *      6    Coons patch mesh
  *      7    Tensor-product patch mesh
 **/
   bool has_ShadingType() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ShadingType", "", NULL));
   }
 
-  long ShadingType() const {
-    long ret;
-    if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ShadingType", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return 0;
-  }
-
+  long ShadingType() const;
 /** (Required) The color space in which color values are expressed. This may be
  *  any device, CIE-based, or special color space except a Pattern space. See
  *  "Color Space: Special Considerations," below, for further information.
 **/
   bool has_ColorSpace() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", NULL));
   }
 
   bool isColorSpaceAName() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Name;
   }
 
-  std::string getColorSpaceAsName() const {
-    std::string ret = "";
-    if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return "";
-  }
-
+  std::string getColorSpaceAsName() const;
   bool isColorSpaceAArray() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Array;
   }
 
-  SkPdfArray* getColorSpaceAsArray() const {
-    SkPdfArray* ret = NULL;
-    if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "ColorSpace", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfArray* getColorSpaceAsArray() const;
 /** (Optional) An array of color components appropriate to the color space,
  *  specifying a single background color value. If present, this color is used be-
  *  fore any painting operation involving the shading, to fill those portions of the
  *  area to be painted that lie outside the bounds of the shading object itself. In
  *  the opaque imaging model, the effect is as if the painting operation were
  *  performed twice: first with the background color and then again with the
  *  shading.
  *  Note: The background color is applied only when the shading is used as part of a
  *  shading pattern, not when it is painted directly with the sh operator.
 **/
   bool has_Background() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Background", "", NULL));
   }
 
-  SkPdfArray* Background() const {
-    SkPdfArray* ret;
-    if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "Background", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return NULL;
-  }
-
+  SkPdfArray* Background() const;
 /** (Optional) An array of four numbers giving the left, bottom, right, and top
  *  coordinates, respectively, of the shading's bounding box. The coordinates are
  *  interpreted in the shading's target coordinate space. If present, this bounding
  *  box is applied as a temporary clipping boundary when the shading is painted,
  *  in addition to the current clipping path and any other clipping boundaries in
  *  effect at that time.
 **/
   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) A flag indicating whether to filter the shading function to prevent
  *  aliasing artifacts. The shading operators sample shading functions at a rate
  *  determined by the resolution of the output device. Aliasing can occur if the
  *  function is not smooth-that is, if it has a high spatial frequency relative to
  *  the sampling rate. Anti-aliasing can be computationally expensive and is usu-
  *  ally unnecessary, since most shading functions are smooth enough, or are
  *  sampled at a high enough frequency, to avoid aliasing effects. Anti-aliasing
  *  may not be implemented on some output devices, in which case this flag is
  *  ignored. Default value: false.
 **/
   bool has_AntiAlias() const {
     return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "AntiAlias", "", NULL));
   }
 
-  bool AntiAlias() const {
-    bool ret;
-    if (BoolFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "AntiAlias", "", &ret)) return ret;
-    // TODO(edisonn): warn about missing required field, assert for known good pdfs
-    return false;
-  }
-
+  bool AntiAlias() const;
 };
 
 #endif  // __DEFINED__SkPdfShadingDictionary