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#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_
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