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authorthestig <thestig@chromium.org>2016-11-04 16:07:25 -0700
committerCommit bot <commit-bot@chromium.org>2016-11-04 16:07:25 -0700
commit04bebfe590d6d27a825b881fd234e31501843edc (patch)
tree127477b084005457579c599b2ec9eef0668a1479 /core
parent931d087b991a986cc8bfa72131fe8eda0d987fc4 (diff)
downloadpdfium-04bebfe590d6d27a825b881fd234e31501843edc.tar.xz
Implement FPDF_VIEWERREF_GetName() API.chromium/2910
This is a generic API function to retrieve any viewer preference of type name. BUG=pdfium:414 Review-Url: https://codereview.chromium.org/2475923003
Diffstat (limited to 'core')
-rw-r--r--core/fpdfdoc/cpdf_viewerpreferences.cpp16
-rw-r--r--core/fpdfdoc/cpdf_viewerpreferences.h5
2 files changed, 21 insertions, 0 deletions
diff --git a/core/fpdfdoc/cpdf_viewerpreferences.cpp b/core/fpdfdoc/cpdf_viewerpreferences.cpp
index 799f2d5814..f1fc4b0347 100644
--- a/core/fpdfdoc/cpdf_viewerpreferences.cpp
+++ b/core/fpdfdoc/cpdf_viewerpreferences.cpp
@@ -7,6 +7,7 @@
#include "core/fpdfdoc/cpdf_viewerpreferences.h"
#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fpdfapi/parser/cpdf_name.h"
CPDF_ViewerPreferences::CPDF_ViewerPreferences(CPDF_Document* pDoc)
: m_pDoc(pDoc) {}
@@ -38,6 +39,21 @@ CFX_ByteString CPDF_ViewerPreferences::Duplex() const {
return pDict ? pDict->GetStringFor("Duplex") : CFX_ByteString("None");
}
+bool CPDF_ViewerPreferences::GenericName(const CFX_ByteString& bsKey,
+ CFX_ByteString* bsVal) const {
+ ASSERT(bsVal);
+ CPDF_Dictionary* pDict = GetViewerPreferences();
+ if (!pDict)
+ return false;
+
+ const CPDF_Name* pName = ToName(pDict->GetObjectFor(bsKey));
+ if (!pName)
+ return false;
+
+ *bsVal = pName->GetString();
+ return true;
+}
+
CPDF_Dictionary* CPDF_ViewerPreferences::GetViewerPreferences() const {
CPDF_Dictionary* pDict = m_pDoc->GetRoot();
return pDict ? pDict->GetDictFor("ViewerPreferences") : nullptr;
diff --git a/core/fpdfdoc/cpdf_viewerpreferences.h b/core/fpdfdoc/cpdf_viewerpreferences.h
index c64292d9f9..c7e9112380 100644
--- a/core/fpdfdoc/cpdf_viewerpreferences.h
+++ b/core/fpdfdoc/cpdf_viewerpreferences.h
@@ -25,6 +25,11 @@ class CPDF_ViewerPreferences {
CPDF_Array* PrintPageRange() const;
CFX_ByteString Duplex() const;
+ // Gets the entry for |bsKey|. If the entry exists and it is of type name,
+ // then this method writes the value into |bsVal| and returns true. Otherwise
+ // returns false and |bsVal| is untouched. |bsVal| must not be NULL.
+ bool GenericName(const CFX_ByteString& bsKey, CFX_ByteString* bsVal) const;
+
private:
CPDF_Dictionary* GetViewerPreferences() const;