fix several issues

This commit is contained in:
Byron Yi 2017-03-17 10:00:59 +08:00
parent acaa9407e3
commit c415a1445b
3 changed files with 15 additions and 15 deletions

View File

@ -7,12 +7,12 @@ namespace google {
namespace protobuf { namespace protobuf {
namespace util { namespace util {
bool SerializeDelimitedToFileDescriptor(const Message* message, int file_descriptor) { bool SerializeDelimitedToFileDescriptor(const MessageLite& message, int file_descriptor) {
io::FileOutputStream output(file_descriptor); io::FileOutputStream output(file_descriptor);
return SerializeDelimitedToZeroCopyStream(message, &output); return SerializeDelimitedToZeroCopyStream(message, &output);
} }
bool SerializeDelimitedToOstream(const Message* message, ostream* output) { bool SerializeDelimitedToOstream(const MessageLite& message, ostream* output) {
{ {
io::OstreamOutputStream zero_copy_output(output); io::OstreamOutputStream zero_copy_output(output);
if (!SerializeDelimitedToZeroCopyStream(message, &zero_copy_output)) return false; if (!SerializeDelimitedToZeroCopyStream(message, &zero_copy_output)) return false;
@ -49,14 +49,14 @@ bool ParseDelimitedFromCodedStream(MessageLite* message, io::CodedInputStream* i
return true; return true;
} }
bool SerializeDelimitedToZeroCopyStream(const MessageLite* message, io::ZeroCopyOutputStream* output) { bool SerializeDelimitedToZeroCopyStream(const MessageLite& message, io::ZeroCopyOutputStream* output) {
google::protobuf::io::CodedOutputStream coded_output(output); google::protobuf::io::CodedOutputStream coded_output(output);
return SerializeDelimitedToCodedStream(message, &coded_output); return SerializeDelimitedToCodedStream(message, &coded_output);
} }
bool SerializeDelimitedToCodedStream(const MessageLite* message, io::CodedOutputStream* output) { bool SerializeDelimitedToCodedStream(const MessageLite& message, io::CodedOutputStream* output) {
// Write the size. // Write the size.
int size = message->ByteSize(); int size = message.ByteSize();
output->WriteVarint32(size); output->WriteVarint32(size);
// Write the content. // Write the content.
@ -64,10 +64,10 @@ bool SerializeDelimitedToCodedStream(const MessageLite* message, io::CodedOutput
if (buffer != NULL) { if (buffer != NULL) {
// Optimization: The message fits in one buffer, so use the faster // Optimization: The message fits in one buffer, so use the faster
// direct-to-array serialization path. // direct-to-array serialization path.
message->SerializeWithCachedSizesToArray(buffer); message.SerializeWithCachedSizesToArray(buffer);
} else { } else {
// Slightly-slower path when the message is multiple buffers. // Slightly-slower path when the message is multiple buffers.
message->SerializeWithCachedSizes(output); message.SerializeWithCachedSizes(output);
if (output->HadError()) return false; if (output->HadError()) return false;
} }

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@ -6,7 +6,7 @@
#include <ostream> #include <ostream>
#include <google/protobuf/message.h> #include <google/protobuf/message_lite.h>
#include <google/protobuf/io/coded_stream.h> #include <google/protobuf/io/coded_stream.h>
#include <google/protobuf/io/zero_copy_stream_impl.h> #include <google/protobuf/io/zero_copy_stream_impl.h>
@ -23,16 +23,16 @@ namespace util {
// Note that if you want to *read* a delimited message from a file descriptor // Note that if you want to *read* a delimited message from a file descriptor
// or istream, you will need to construct an io::FileInputStream or // or istream, you will need to construct an io::FileInputStream or
// io::OstreamInputStream (implementations of io::ZeroCopyStream) and use the // io::OstreamInputStream (implementations of io::ZeroCopyStream) and use the
// MessageLite method ParseDelimitedFromZeroCopyStream(). You must then // utility function ParseDelimitedFromZeroCopyStream(). You must then
// continue to use the same ZeroCopyInputStream to read all further data from // continue to use the same ZeroCopyInputStream to read all further data from
// the stream until EOF. This is because these ZeroCopyInputStream // the stream until EOF. This is because these ZeroCopyInputStream
// implementations are buffered: they read a big chunk of data at a time, // implementations are buffered: they read a big chunk of data at a time,
// then parse it. As a result, they may read past the end of the delimited // then parse it. As a result, they may read past the end of the delimited
// message. There is no way for them to push the extra data back into the // message. There is no way for them to push the extra data back into the
// underlying source, so instead you must keep using the same stream object. // underlying source, so instead you must keep using the same stream object.
bool LIBPROTOBUF_EXPORT SerializeDelimitedToFileDescriptor(const Message* message, int file_descriptor); bool LIBPROTOBUF_EXPORT SerializeDelimitedToFileDescriptor(const MessageLite& message, int file_descriptor);
bool LIBPROTOBUF_EXPORT SerializeDelimitedToOstream(const Message* message, ostream* output); bool LIBPROTOBUF_EXPORT SerializeDelimitedToOstream(const MessageLite& message, ostream* output);
// Read a single size-delimited message from the given stream. Delimited // Read a single size-delimited message from the given stream. Delimited
// format allows a single file or stream to contain multiple messages, // format allows a single file or stream to contain multiple messages,
@ -55,9 +55,9 @@ bool LIBPROTOBUF_EXPORT ParseDelimitedFromCodedStream(MessageLite* message, io::
// whereas normally writing multiple non-delimited messages to the same // whereas normally writing multiple non-delimited messages to the same
// stream would cause them to be merged. A delimited message is a varint // stream would cause them to be merged. A delimited message is a varint
// encoding the message size followed by a message of exactly that size. // encoding the message size followed by a message of exactly that size.
bool LIBPROTOBUF_EXPORT SerializeDelimitedToZeroCopyStream(const MessageLite* message, io::ZeroCopyOutputStream* output); bool LIBPROTOBUF_EXPORT SerializeDelimitedToZeroCopyStream(const MessageLite& message, io::ZeroCopyOutputStream* output);
bool LIBPROTOBUF_EXPORT SerializeDelimitedToCodedStream(const MessageLite* message, io::CodedOutputStream* output); bool LIBPROTOBUF_EXPORT SerializeDelimitedToCodedStream(const MessageLite& message, io::CodedOutputStream* output);
} // namespace util } // namespace util
} // namespace protobuf } // namespace protobuf

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@ -20,11 +20,11 @@ TEST(MessageTest, DelimitedMessages) {
{ {
protobuf_unittest::TestAllTypes message1; protobuf_unittest::TestAllTypes message1;
TestUtil::SetAllFields(&message1); TestUtil::SetAllFields(&message1);
EXPECT_TRUE(SerializeDelimitedToOstream(&message1, &stream)); EXPECT_TRUE(SerializeDelimitedToOstream(message1, &stream));
protobuf_unittest::TestPackedTypes message2; protobuf_unittest::TestPackedTypes message2;
TestUtil::SetPackedFields(&message2); TestUtil::SetPackedFields(&message2);
EXPECT_TRUE(SerializeDelimitedToOstream(&message2, &stream)); EXPECT_TRUE(SerializeDelimitedToOstream(message2, &stream));
} }
{ {