down integrate to svn

1 files changed, 39 insertions, 0 deletions

diff --git a/src/google/protobuf/wire_format_lite.h b/src/google/protobuf/wire_format_lite.h
index cb4fc918..4b6b53e7 100644
--- a/src/google/protobuf/wire_format_lite.h
+++ b/src/google/protobuf/wire_format_lite.h
@@ -163,11 +163,22 @@ class LIBPROTOBUF_EXPORT WireFormatLite {
   // records to an UnknownFieldSet.
   static bool SkipField(io::CodedInputStream* input, uint32 tag);
 
+  // Skips a field value with the given tag.  The input should start
+  // positioned immediately after the tag. Skipped values are recorded to a
+  // CodedOutputStream.
+  static bool SkipField(io::CodedInputStream* input, uint32 tag,
+                        io::CodedOutputStream* output);
+
   // Reads and ignores a message from the input.  Skipped values are simply
   // discarded, not recorded anywhere.  See WireFormat::SkipMessage() for a
   // version that records to an UnknownFieldSet.
   static bool SkipMessage(io::CodedInputStream* input);
 
+  // Reads and ignores a message from the input.  Skipped values are recorded
+  // to a CodedOutputStream.
+  static bool SkipMessage(io::CodedInputStream* input,
+                          io::CodedOutputStream* output);
+
 // This macro does the same thing as WireFormatLite::MakeTag(), but the
 // result is usable as a compile-time constant, which makes it usable
 // as a switch case or a template input.  WireFormatLite::MakeTag() is more
@@ -340,6 +351,10 @@ class LIBPROTOBUF_EXPORT WireFormatLite {
 
   static void WriteString(field_number, const string& value, output);
   static void WriteBytes (field_number, const string& value, output);
+  static void WriteStringMaybeAliased(
+      field_number, const string& value, output);
+  static void WriteBytesMaybeAliased(
+      field_number, const string& value, output);
 
   static void WriteGroup(
     field_number, const MessageLite& value, output);
@@ -490,6 +505,12 @@ class LIBPROTOBUF_EXPORT WireFormatLite {
       google::protobuf::io::CodedInputStream* input,
       RepeatedField<CType>* value) GOOGLE_ATTRIBUTE_ALWAYS_INLINE;
 
+  // Like ReadRepeatedFixedSizePrimitive but for packed primitive fields.
+  template <typename CType, enum FieldType DeclaredType>
+  static inline bool ReadPackedFixedSizePrimitive(
+      google::protobuf::io::CodedInputStream* input,
+      RepeatedField<CType>* value) GOOGLE_ATTRIBUTE_ALWAYS_INLINE;
+
   static const CppType kFieldTypeToCppTypeMap[];
   static const WireFormatLite::WireType kWireTypeForFieldType[];
 
@@ -518,6 +539,24 @@ class LIBPROTOBUF_EXPORT FieldSkipper {
   virtual void SkipUnknownEnum(int field_number, int value);
 };
 
+// Subclass of FieldSkipper which saves skipped fields to a CodedOutputStream.
+
+class LIBPROTOBUF_EXPORT CodedOutputStreamFieldSkipper : public FieldSkipper {
+ public:
+  explicit CodedOutputStreamFieldSkipper(io::CodedOutputStream* unknown_fields)
+      : unknown_fields_(unknown_fields) {}
+  virtual ~CodedOutputStreamFieldSkipper() {}
+
+  // implements FieldSkipper -----------------------------------------
+  virtual bool SkipField(io::CodedInputStream* input, uint32 tag);
+  virtual bool SkipMessage(io::CodedInputStream* input);
+  virtual void SkipUnknownEnum(int field_number, int value);
+
+ protected:
+  io::CodedOutputStream* unknown_fields_;
+};
+
+
 // inline methods ====================================================
 
 inline WireFormatLite::CppType