diff options
Diffstat (limited to 'src/rapidjson/filestream.h')
-rwxr-xr-x | src/rapidjson/filestream.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/rapidjson/filestream.h b/src/rapidjson/filestream.h new file mode 100755 index 0000000000..885894963f --- /dev/null +++ b/src/rapidjson/filestream.h @@ -0,0 +1,46 @@ +#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_ |