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-rw-r--r--core/include/fpdfapi/fpdf_objects.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h
index 45ca665b99..419d5fc23e 100644
--- a/core/include/fpdfapi/fpdf_objects.h
+++ b/core/include/fpdfapi/fpdf_objects.h
@@ -84,6 +84,7 @@ class CPDF_Object {
bool IsDictionary() const { return m_Type == PDFOBJ_DICTIONARY; }
bool IsName() const { return m_Type == PDFOBJ_NAME; }
bool IsNumber() const { return m_Type == PDFOBJ_NUMBER; }
+ bool IsReference() const { return m_Type == PDFOBJ_REFERENCE; }
bool IsStream() const { return m_Type == PDFOBJ_STREAM; }
bool IsString() const { return m_Type == PDFOBJ_STRING; }
@@ -102,6 +103,9 @@ class CPDF_Object {
CPDF_Number* AsNumber();
const CPDF_Number* AsNumber() const;
+ CPDF_Reference* AsReference();
+ const CPDF_Reference* AsReference() const;
+
CPDF_Stream* AsStream();
const CPDF_Stream* AsStream() const;
@@ -600,6 +604,13 @@ class CPDF_Reference : public CPDF_Object {
FX_DWORD m_RefObjNum;
friend class CPDF_Object;
};
+inline CPDF_Reference* ToReference(CPDF_Object* obj) {
+ return obj ? obj->AsReference() : nullptr;
+}
+inline const CPDF_Reference* ToReference(const CPDF_Object* obj) {
+ return obj ? obj->AsReference() : nullptr;
+}
+
class CPDF_IndirectObjects {
public:
CPDF_IndirectObjects(CPDF_Parser* pParser);