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SF#579 Add EOF mark detect on reading (Note: only partially accepted, see SF tracker for details)

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This commit is contained in:
Aleksandar Fabijanic
2012-09-23 17:45:39 +00:00
parent bb1e8c1852
commit fa4ca5e18e
2 changed files with 32 additions and 9 deletions
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29
Foundation/include/Poco/BinaryReader.h
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@@ -164,6 +164,12 @@ public:
/// Returns the byte-order used by the reader, which is
/// either BIG_ENDIAN_BYTE_ORDER or LITTLE_ENDIAN_BYTE_ORDER.
void setExceptions(std::ios_base::iostate st = (std::istream::failbit | std::istream::badbit));
/// Sets the stream to throw exception on specified state (default failbit and badbit);
std::streamsize available() const;
/// Returns the number of available bytes in the stream.
private:
std::istream& _istr;
bool _flipBytes;
@@ -176,14 +182,14 @@ class BasicMemoryBinaryReader : public BinaryReader
/// A convenient wrapper for using Buffer and MemoryStream with BinaryReader.
{
public:
BasicMemoryBinaryReader(Buffer<T>& data, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BasicMemoryBinaryReader(const Buffer<T>& data, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BinaryReader(_istr, byteOrder),
_data(data),
_istr(data.begin(), data.capacity())
{
}
BasicMemoryBinaryReader(Buffer<T>& data, TextEncoding& encoding, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BasicMemoryBinaryReader(const Buffer<T>& data, TextEncoding& encoding, StreamByteOrder byteOrder = NATIVE_BYTE_ORDER):
BinaryReader(_istr, encoding, byteOrder),
_data(data),
_istr(data.begin(), data.capacity())
@@ -194,11 +200,6 @@ public:
{
}
Buffer<T>& data()
{
return _data;
}
const Buffer<T>& data() const
{
return _data;
@@ -215,7 +216,7 @@ public:
}
private:
Buffer<T>& _data;
const Buffer<T>& _data;
MemoryInputStream _istr;
};
@@ -268,6 +269,18 @@ inline BinaryReader::StreamByteOrder BinaryReader::byteOrder() const
}
inline void BinaryReader::setExceptions(std::ios_base::iostate st)
{
_istr.exceptions(st);
}
inline std::streamsize BinaryReader::available() const
{
return _istr.rdbuf()->in_avail();
}
} // namespace Poco