PreVerify/lib/yaml/include/yaml-cpp/ostream_wrapper.h

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2024-09-09 19:18:28 +08:00
#ifndef OSTREAM_WRAPPER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define OSTREAM_WRAPPER_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 <string>
#include <vector>
#include "yaml-cpp/dll.h"
namespace YAML {
class YAML_CPP_API ostream_wrapper {
public:
ostream_wrapper();
explicit ostream_wrapper(std::ostream& stream);
ostream_wrapper(const ostream_wrapper&) = delete;
ostream_wrapper(ostream_wrapper&&) = delete;
ostream_wrapper& operator=(const ostream_wrapper&) = delete;
ostream_wrapper& operator=(ostream_wrapper&&) = delete;
~ostream_wrapper();
void write(const std::string& str);
void write(const char* str, std::size_t size);
void set_comment() { m_comment = true; }
const char* str() const {
if (m_pStream) {
return nullptr;
} else {
m_buffer[m_pos] = '\0';
return &m_buffer[0];
}
}
std::size_t row() const { return m_row; }
std::size_t col() const { return m_col; }
std::size_t pos() const { return m_pos; }
bool comment() const { return m_comment; }
private:
void update_pos(char ch);
private:
mutable std::vector<char> m_buffer;
std::ostream* const m_pStream;
std::size_t m_pos;
std::size_t m_row, m_col;
bool m_comment;
};
template <std::size_t N>
inline ostream_wrapper& operator<<(ostream_wrapper& stream,
const char (&str)[N]) {
stream.write(str, N - 1);
return stream;
}
inline ostream_wrapper& operator<<(ostream_wrapper& stream,
const std::string& str) {
stream.write(str);
return stream;
}
inline ostream_wrapper& operator<<(ostream_wrapper& stream, char ch) {
stream.write(&ch, 1);
return stream;
}
} // namespace YAML
#endif // OSTREAM_WRAPPER_H_62B23520_7C8E_11DE_8A39_0800200C9A66