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authorDan Sinclair <dsinclair@chromium.org>2015-10-22 15:34:16 -0400
committerDan Sinclair <dsinclair@chromium.org>2015-10-22 15:34:16 -0400
commit338805f1366dcdf9a5b48cf591541cf98d7490f1 (patch)
tree161b722bbb0628b290084b20fa8aa8f1d436c896 /core/include/fpdfapi
parentc6d8683dbdd922c86375fb0520d420de13d683ed (diff)
downloadpdfium-338805f1366dcdf9a5b48cf591541cf98d7490f1.tar.xz
Add type cast definitions for CPDF_Stream.
This Cl adds ToStream, CPDF_Object::AsStream and CPDF_Object::IsStream and updates the src to use them as needed. BUG=pdfium:201 R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1402413004 .
Diffstat (limited to 'core/include/fpdfapi')
-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 162a514cd7..45ca665b99 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 IsStream() const { return m_Type == PDFOBJ_STREAM; }
bool IsString() const { return m_Type == PDFOBJ_STRING; }
CPDF_Array* AsArray();
@@ -101,6 +102,9 @@ 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;
@@ -519,6 +523,13 @@ 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();