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#ifndef STREAMCHARSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define STREAMCHARSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif
#include "yaml-cpp/noncopyable.h"
#include <cstddef>
namespace YAML
{
class StreamCharSource
{
public:
StreamCharSource(const Stream& stream): m_offset(0), m_stream(stream) {}
StreamCharSource(const StreamCharSource& source): m_offset(source.m_offset), m_stream(source.m_stream) {}
~StreamCharSource() {}
operator bool() const;
char operator [] (std::size_t i) const { return m_stream.CharAt(m_offset + i); }
bool operator !() const { return !static_cast<bool>(*this); }
const StreamCharSource operator + (int i) const;
private:
std::size_t m_offset;
const Stream& m_stream;
StreamCharSource& operator = (const StreamCharSource&); // non-assignable
};
inline StreamCharSource::operator bool() const {
return m_stream.ReadAheadTo(m_offset);
}
inline const StreamCharSource StreamCharSource::operator + (int i) const {
StreamCharSource source(*this);
if(static_cast<int> (source.m_offset) + i >= 0)
source.m_offset += i;
else
source.m_offset = 0;
return source;
}
}
#endif // STREAMCHARSOURCE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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