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#ifndef STREAM_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define STREAM_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 "yaml-cpp/mark.h"
#include <cstddef>
#include <deque>
#include <ios>
#include <iostream>
#include <set>
#include <string>
namespace YAML {
class Stream : private noncopyable {
public:
friend class StreamCharSource;
Stream(std::istream& input);
~Stream();
operator bool() const;
bool operator!() const { return !static_cast<bool>(*this); }
char peek() const;
char get();
std::string get(int n);
void eat(int n = 1);
static char eof() { return 0x04; }
const Mark mark() const { return m_mark; }
int pos() const { return m_mark.pos; }
int line() const { return m_mark.line; }
int column() const { return m_mark.column; }
void ResetColumn() { m_mark.column = 0; }
private:
enum CharacterSet { utf8, utf16le, utf16be, utf32le, utf32be };
std::istream& m_input;
Mark m_mark;
CharacterSet m_charSet;
mutable std::deque<char> m_readahead;
unsigned char* const m_pPrefetched;
mutable size_t m_nPrefetchedAvailable;
mutable size_t m_nPrefetchedUsed;
void AdvanceCurrent();
char CharAt(size_t i) const;
bool ReadAheadTo(size_t i) const;
bool _ReadAheadTo(size_t i) const;
void StreamInUtf8() const;
void StreamInUtf16() const;
void StreamInUtf32() const;
unsigned char GetNextByte() const;
};
// CharAt
// . Unchecked access
inline char Stream::CharAt(size_t i) const { return m_readahead[i]; }
inline bool Stream::ReadAheadTo(size_t i) const {
if (m_readahead.size() > i)
return true;
return _ReadAheadTo(i);
}
}
#endif // STREAM_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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