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Refactor WireEncoder.

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Change-Id: I50106755ce5571821d6e36767b16d08b91f054de
This commit is contained in:
Peter Johnson
2015-06-21 22:42:01 -07:00
parent dbed3fea6f
commit 047cccda89
7 changed files with 356 additions and 357 deletions
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56
src/nt_messagewriter.h
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@@ -8,44 +8,39 @@
#ifndef NT_MESSAGEWRITER_H_
#define NT_MESSAGEWRITER_H_
#include <cassert>
#include <cstddef>
#include "ntcore.h"
#include "nt_encoding.h"
#include "nt_wireencoder.h"
namespace NtImpl {
class MessageWriter
class MessageWriter : private WireEncoder
{
public:
explicit MessageWriter(unsigned int proto_rev);
explicit MessageWriter(unsigned int proto_rev) : WireEncoder(proto_rev) {}
~MessageWriter();
void SetProtocolRev(unsigned int proto_rev)
{
m_proto_rev = proto_rev;
WireEncoder::SetProtocolRev(proto_rev);
}
void Reset()
{
m_cur = m_start;
m_error = 0;
WireEncoder::Reset();
}
const char *GetError() const
{
return m_error;
return WireEncoder::GetError();
}
const char *GetData() const
{
return m_start;
return WireEncoder::GetData();
}
std::size_t GetSize() const
{
return m_cur - m_start;
return WireEncoder::GetSize();
}
void WriteKeepAlive();
@@ -74,50 +69,15 @@ public:
const NT_Value *results_start,
const NT_Value *results_end);
protected:
void Ensure(std::size_t len)
{
assert(m_end > m_cur);
if (static_cast<size_t>(m_end - m_cur) < len)
EnsureSlow(len);
}
void Write8(unsigned int val)
{
NtImpl::Write8(m_cur, val);
}
void Write16(unsigned int val)
{
NtImpl::Write16(m_cur, val);
}
void Write32(unsigned long val)
{
NtImpl::Write32(m_cur, val);
}
void WriteULEB128(unsigned long val);
void WriteType(NT_Type type);
void WriteValue(const NT_Value &value);
void WriteString(const NT_String &str);
private:
MessageWriter(const MessageWriter&);
MessageWriter& operator= (const MessageWriter&);
void EnsureSlow(std::size_t len);
void WriteRpc(unsigned int msg_type,
unsigned int id,
unsigned int uid,
const NT_Value *values_start,
const NT_Value *values_end);
char *m_start;
char *m_cur;
char *m_end;
unsigned int m_proto_rev;
const char *m_error;
};
} // namespace NtImpl