filestream.h

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#ifndef RAPIDJSON_FILESTREAM_H_
#define RAPIDJSON_FILESTREAM_H_

#include <cstdio>

namespace rapidjson {


class FileStream {
public:
   typedef char Ch;  

   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_