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Unified Diff: core/include/fpdfapi/fpdf_objects.h

Issue 1422513004: Merge to XFA: Add type cast definitions for CPDF_Stream. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: Created 5 years, 2 months ago
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Index: core/include/fpdfapi/fpdf_objects.h
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h
index dbd44952aed8f84d490d571e9174dc5c42951c48..332d3ff4853a1b1de789ca1b32024d16e183bd4c 100644
--- a/core/include/fpdfapi/fpdf_objects.h
+++ b/core/include/fpdfapi/fpdf_objects.h
@@ -86,6 +86,7 @@ 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 IsStream() const { return m_Type == PDFOBJ_STREAM; }
bool IsString() const { return m_Type == PDFOBJ_STRING; }
CPDF_Array* AsArray();
@@ -103,6 +104,9 @@ class CPDF_Object {
CPDF_Number* AsNumber();
const CPDF_Number* AsNumber() const;
+ CPDF_Stream* AsStream();
+ const CPDF_Stream* AsStream() const;
+
CPDF_String* AsString();
const CPDF_String* AsString() const;
@@ -527,6 +531,13 @@ class CPDF_Stream : public CPDF_Object {
friend class CPDF_StreamAcc;
friend class CPDF_AttachmentAcc;
};
+inline CPDF_Stream* ToStream(CPDF_Object* obj) {
+ return obj ? obj->AsStream() : nullptr;
+}
+inline const CPDF_Stream* ToStream(const CPDF_Object* obj) {
+ return obj ? obj->AsStream() : nullptr;
+}
+
class CPDF_StreamAcc {
public:
CPDF_StreamAcc();
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