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BinaryReader/Writer wrappers for Buffer and MemoryStream

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This commit is contained in:
Aleksandar Fabijanic
2012-07-23 00:39:09 +00:00
parent 2ebe065a37
commit 0466c67ff2
4 changed files with 107 additions and 0 deletions
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40
Foundation/include/Poco/BinaryReader.h
View File

@@ -41,6 +41,8 @@
#include "Poco/Foundation.h"
#include "Poco/Buffer.h"
#include "Poco/MemoryStream.h"
#include <vector>
#include <istream>
@@ -169,6 +171,44 @@ private:
};
template <typename T>
class BasicMemoryBinaryReader : public BinaryReader
/// A convenient wrapper for using Buffer and MemoryStream with BinaryReader.
{
public:
BasicMemoryBinaryReader(Buffer<T>& data, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BinaryReader(_istr, byteOrder),
_data(data),
_istr(data.begin(), data.size())
{
}
BasicMemoryBinaryReader(Buffer<T>& data, TextEncoding& encoding, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BinaryReader(_istr, encoding, byteOrder),
_data(data),
_istr(data.begin(), data.size())
{
}
Buffer<T>& data()
{
return _data;
}
const Buffer<T>& data() const
{
return _data;
}
private:
Buffer<T>& _data;
MemoryInputStream _istr;
};
typedef BasicMemoryBinaryReader<char> MemoryBinaryReader;
//
// inlines
//

40
Foundation/include/Poco/BinaryWriter.h
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@@ -41,6 +41,8 @@
#include "Poco/Foundation.h"
#include "Poco/Buffer.h"
#include "Poco/MemoryStream.h"
#include <vector>
#include <ostream>
@@ -184,6 +186,44 @@ private:
};
template <typename T>
class BasicMemoryBinaryWriter : public BinaryWriter
/// A convenient wrapper for using Buffer and MemoryStream with BinarWriter.
{
public:
BasicMemoryBinaryWriter(Buffer<T>& data, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BinaryWriter(_ostr, byteOrder),
_data(data),
_ostr(data.begin(), data.size())
{
}
BasicMemoryBinaryWriter(Buffer<T>& data, TextEncoding& encoding, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BinaryWriter(_ostr, encoding, byteOrder),
_data(data),
_ostr(data.begin(), data.size())
{
}
Buffer<T>& data()
{
return _data;
}
const Buffer<T>& data() const
{
return _data;
}
private:
Buffer<T>& _data;
MemoryOutputStream _ostr;
};
typedef BasicMemoryBinaryWriter<char> MemoryBinaryWriter;
//
// inlines
//