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Diffstat (limited to 'core/io/file_access_buffered_fa.h')
| -rw-r--r-- | core/io/file_access_buffered_fa.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/core/io/file_access_buffered_fa.h b/core/io/file_access_buffered_fa.h new file mode 100644 index 000000000..5de2f66ac --- /dev/null +++ b/core/io/file_access_buffered_fa.h @@ -0,0 +1,147 @@ +/*************************************************************************/ +/* file_access_buffered_fa.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* http://www.godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ +/* */ +/* Permission is hereby granted, free of charge, to any person obtaining */ +/* a copy of this software and associated documentation files (the */ +/* "Software"), to deal in the Software without restriction, including */ +/* without limitation the rights to use, copy, modify, merge, publish, */ +/* distribute, sublicense, and/or sell copies of the Software, and to */ +/* permit persons to whom the Software is furnished to do so, subject to */ +/* the following conditions: */ +/* */ +/* The above copyright notice and this permission notice shall be */ +/* included in all copies or substantial portions of the Software. */ +/* */ +/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ +/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ +/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ +/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ +/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ +/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/*************************************************************************/ +#ifndef FILE_ACCESS_BUFFERED_FA_H +#define FILE_ACCESS_BUFFERED_FA_H + +#include "core/io/file_access_buffered.h" + +template<class T> +class FileAccessBufferedFA : public FileAccessBuffered { + + T f; + + int read_data_block(int p_offset, int p_size, uint8_t *p_dest = 0) const { + + ERR_FAIL_COND_V( !f.is_open(), -1 ); + + ((T*)&f)->seek(p_offset); + + if (p_dest) { + + f.get_buffer(p_dest, p_size); + return p_size; + + } else { + + cache.offset = p_offset; + cache.buffer.resize(p_size); + + // on dvector + //DVector<uint8_t>::Write write = cache.buffer.write(); + //f.get_buffer(write.ptr(), p_size); + + // on vector + f.get_buffer(cache.buffer.ptr(), p_size); + + return p_size; + }; + }; + + static FileAccess* create() { + + return memnew( FileAccessBufferedFA<T>() ); + }; + +protected: + virtual void _set_access_type(AccessType p_access) { + f._set_access_type(p_access); + FileAccessBuffered::_set_access_type(p_access); + }; + +public: + + + void store_8(uint8_t p_dest) { + + f.store_8(p_dest); + }; + + void store_buffer(const uint8_t *p_src,int p_length) { + + f.store_buffer(p_src, p_length); + }; + + bool file_exists(const String& p_name) { + + return f.file_exists(p_name); + }; + + Error _open(const String& p_path, int p_mode_flags) { + + close(); + + Error ret = f._open(p_path, p_mode_flags); + if (ret !=OK) + return ret; + //ERR_FAIL_COND_V( ret != OK, ret ); + + file.size = f.get_len(); + file.offset = 0; + file.open = true; + file.name = p_path; + file.access_flags = p_mode_flags; + + cache.buffer.resize(0); + cache.offset = 0; + + return set_error(OK); + }; + + void close() { + + f.close(); + + file.offset = 0; + file.size = 0; + file.open = false; + file.name = ""; + + cache.buffer.resize(0); + cache.offset = 0; + set_error(OK); + }; + +// static void make_default() { + + //FileAccess::create_func = FileAccessBufferedFA<T>::create; +// }; + + virtual uint64_t _get_modified_time(const String& p_file) { + + return f._get_modified_time(p_file); + } + + FileAccessBufferedFA() { + + + }; +}; + + +#endif // FILE_ACCESS_BUFFERED_FA_H |