isolate podofo to prepare for native parser, autogenerate PDF API during build

experimental/PdfViewer/pdfparser/podofo/SkPodofoUtils.h

+#ifndef EXPERIMENTAL_PDFVIEWER_PDFPARSER_PODOFO_SKPODOFOUTILS_H_
+#define EXPERIMENTAL_PDFVIEWER_PDFPARSER_PODOFO_SKPODOFOUTILS_H_
+
+#include <string>
+#include "SkPdfNYI.h"
+
+class SkMatrix;
+class SkRect;
+
+namespace PoDoFo {
+class PdfDictionary;
+class PdfObject;
+}
+
+class SkPodofoParsedPDF;
+
+const PoDoFo::PdfObject* resolveReferenceObject(const SkPodofoParsedPDF* pdfDoc,
+                                  const PoDoFo::PdfObject* obj,
+                                  bool resolveOneElementArrays = false);
+
+bool LongFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        long* data);
+
+bool DoubleFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                          const PoDoFo::PdfDictionary& dict,
+                          const char* key,
+                          const char* abr,
+                          double* data);
+
+bool BoolFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        bool* data);
+
+bool NameFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        std::string* data);
+
+bool StringFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                          const PoDoFo::PdfDictionary& dict,
+                          const char* key,
+                          const char* abr,
+                          std::string* data);
+/*
+class SkPoDoFo::PdfDictionary;
+bool DictionaryFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                              const PoDoFo::PdfDictionary& dict,
+                              const char* key,
+                              const char* abr,
+                              SkPoDoFo::PdfDictionary** data);
+*/
+
+bool skpdfmap(const SkPodofoParsedPDF& podofoDoc, const PoDoFo::PdfObject& podofoObj, PoDoFo::PdfObject** out);
+
+bool ObjectFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        PoDoFo::PdfObject** data);
+
+
+class SkPdfArray;
+class SkPdfStream;
+
+bool ArrayFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkPdfArray** data);
+
+bool SkMatrixFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkMatrix** data);
+
+bool FileSpecFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkPdfFileSpec* data);
+
+
+bool StreamFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkPdfStream** data);
+
+bool TreeFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkPdfTree** data);
+
+bool DateFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkPdfDate* data);
+
+bool SkRectFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkRect** data);
+
+bool FunctionFromDictionary(const SkPodofoParsedPDF* pdfDoc,
+                        const PoDoFo::PdfDictionary& dict,
+                        const char* key,
+                        const char* abr,
+                        SkPdfFunction* data);
+
+SkMatrix SkMatrixFromPdfMatrix(double array[6]);
+
+#endif  // EXPERIMENTAL_PDFVIEWER_PDFPARSER_PODOFO_SKPODOFOUTILS_H_