ref: 5cad0f9bba0dae49e9ce0d45cabe33d8bed157ed
dir: /test/utils/FileInputStream.h/
#ifndef __FILEINPUTSTREAM_H__ #define __FILEINPUTSTREAM_H__ #include <fstream> #include "InputStream.h" class FileInputStream : public InputStream { public: bool Open (const char* fileName) { file_.open (fileName, std::ios_base::in | std::ios_base::binary); return file_.is_open(); } int read (void* ptr, size_t len) { if (!file_.good()) { return -1; } file_.read (static_cast<char*> (ptr), len); return (int) file_.gcount(); } private: std::ifstream file_; }; #endif //__FILEINPUTSTREAM_H__