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_