21 #ifndef RAPIDJSON_FILEREADSTREAM_H_
22 #define RAPIDJSON_FILEREADSTREAM_H_
43 FileReadStream(FILE* fp,
char* buffer,
size_t bufferSize) : fp_(fp), buffer_(buffer), bufferSize_(bufferSize), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
49 Ch Peek()
const {
return *current_; }
50 Ch Take() {
Ch c = *current_; Read();
return c; }
51 size_t Tell()
const {
return count_ +
static_cast<size_t>(current_ - buffer_); }
60 const Ch* Peek4()
const {
61 return (current_ + 4 <= bufferLast_) ? current_ : 0;
66 if (current_ < bufferLast_)
70 readCount_ = fread(buffer_, 1, bufferSize_, fp_);
71 bufferLast_ = buffer_ + readCount_ - 1;
74 if (readCount_ < bufferSize_) {
75 buffer_[readCount_] =
'\0';
94 #endif // RAPIDJSON_FILESTREAM_H_