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-rw-r--r--core/include/fpdfapi/fpdf_parser.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index fda4557119..bdddfc37d7 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -61,6 +61,20 @@ inline bool PDFCharIsLineEnding(uint8_t c) {
return c == '\r' || c == '\n';
}
+template <typename T>
+class ScopedSetInsertion {
+ public:
+ ScopedSetInsertion(std::set<T>* org_set, T elem)
+ : m_Set(org_set), m_Entry(elem) {
+ m_Set->insert(m_Entry);
+ }
+ ~ScopedSetInsertion() { m_Set->erase(m_Entry); }
+
+ private:
+ std::set<T>* const m_Set;
+ const T m_Entry;
+};
+
// Indexed by 8-bit char code, contains unicode code points.
extern const FX_WORD PDFDocEncoding[256];
@@ -168,7 +182,9 @@ class CPDF_Document : public CFX_PrivateData, public CPDF_IndirectObjectHolder {
CFX_DWordArray m_PageList;
- int _GetPageCount() const;
+ // Retrieve page count information by getting count value from the tree nodes
+ // or walking through the tree nodes to calculate it.
+ int RetrievePageCount() const;
CPDF_Dictionary* _FindPDFPage(CPDF_Dictionary* pPages,
int iPage,
int nPagesToGo,