| /* Copyright (C) 2021-2024 Free Software Foundation, Inc. |
| Contributed by Oracle. |
| |
| This file is part of GNU Binutils. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, 51 Franklin Street - Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #ifndef _DATASTREAM_H |
| #define _DATASTREAM_H |
| |
| #include "Data_window.h" |
| |
| // sequential access to the file |
| class DataStream : public Data_window |
| { |
| public: |
| // Create an empty data window. |
| DataStream (char *file_name); |
| ~DataStream (); |
| void set_span (int64_t f_offset, int64_t sz); |
| int64_t read (void *buf, int64_t len); |
| |
| template <typename Key_t> inline int64_t |
| read (Key_t &val) |
| { |
| int64_t sz = read (&val, sizeof (val)); |
| if (need_swap_endian && sz == sizeof (val)) |
| swapByteOrder (&val, sizeof (val)); |
| return sz; |
| } |
| |
| private: |
| int64_t span_offset; |
| int64_t span_size; // the window size |
| int64_t span_fileoffset; // the window begin on the file |
| }; |
| |
| #endif /* _DATASTREAM_H */ |