blame: source/code/Libs/include/cereal/external/rapidjson/filestream.h

#ifndef RAPIDJSON_FILESTREAM_H_

#define RAPIDJSON_FILESTREAM_H_

#include <cstdio>

namespace rapidjson {

//! Wrapper of C file stream for input or output.

/*!

	This simple wrapper does not check the validity of the stream.

	\implements Stream

*/

class FileStream {

public:

	typedef char Ch;	//!< Character type. Only support char.

	FileStream(FILE* fp) : fp_(fp), count_(0) { Read(); }

	char Peek() const   { return current_; }

	char Take()         { char c = current_; Read(); return c; }

	size_t Tell() const { return count_; }

	void Put(char c)    { fputc(c, fp_); }

	// Not implemented

	char* PutBegin()     { return 0; }

	size_t PutEnd(char*) { return 0; }

private:

	void Read() {

		RAPIDJSON_ASSERT(fp_ != 0);

		int c = fgetc(fp_);

		if (c != EOF) {

			current_ = (char)c;

			count_++;

		}

		else

			current_ = '\0';

	}

	FILE* fp_;

	char current_;

	size_t count_;

};

} // namespace rapidjson

#endif // RAPIDJSON_FILESTREAM_H_