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Diffstat (limited to 'pjlib/include/pj++/file.hpp')
| -rw-r--r-- | pjlib/include/pj++/file.hpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/pjlib/include/pj++/file.hpp b/pjlib/include/pj++/file.hpp new file mode 100644 index 0000000..d37defc --- /dev/null +++ b/pjlib/include/pj++/file.hpp @@ -0,0 +1,188 @@ +/* $Id: file.hpp 2394 2008-12-23 17:27:53Z bennylp $ */ +/* + * Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com) + * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> + * + * 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 2 of the License, 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, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __PJPP_FILE_HPP__ +#define __PJPP_FILE_HPP__ + +#include <pj/file_io.h> +#include <pj/file_access.h> +#include <pj++/types.hpp> +#include <pj++/pool.hpp> + +// +// File API. +// +class Pj_File_API +{ +public: + // + // Check file existance. + // + static bool file_exists(const char *filename) + { + return pj_file_exists(filename) != 0; + } + + // + // Get file size. + // + static pj_off_t file_size(const char *filename) + { + return pj_file_size(filename); + } + + // + // Delete file. + // + static pj_status_t file_delete(const char *filename) + { + return pj_file_delete(filename); + } + + // + // Move/rename file. + // + static pj_status_t file_move(const char *oldname, const char *newname) + { + return pj_file_move(oldname, newname); + } + + // + // Get stat. + // + static pj_status_t file_stat(const char *filename, pj_file_stat *buf) + { + return pj_file_getstat(filename, buf); + } +}; + + +// +// File. +// +class Pj_File : public Pj_Object +{ +public: + // + // Offset type to be used in setpos. + // + enum Offset_Type + { + PJ_SEEK_SET = PJ_SEEK_SET, + PJ_SEEK_CUR = PJ_SEEK_CUR, + PJ_SEEK_END = PJ_SEEK_END, + }; + + // + // Default constructor. + // + Pj_File() + : hnd_(0) + { + } + + // + // Construct and open a file. + // + Pj_File(Pj_Pool *pool, const char *filename, + unsigned access = PJ_O_RDONLY) + : hnd_(NULL) + { + open(pool, filename, access); + } + + // + // Destructor closes the file. + // + ~Pj_File() + { + close(); + } + + // + // Open a file. + // + pj_status_t open(Pj_Pool *pool, const char *filename, + unsigned access = PJ_O_RDONLY ) + { + close(); + return pj_file_open(pool->pool_(), filename, access, &hnd_); + } + + // + // Close a file. + // + void close() + { + if (hnd_ != 0) { + pj_file_close(hnd_); + hnd_ = 0; + } + } + + // + // Write data. + // + pj_ssize_t write(const void *buff, pj_size_t size) + { + pj_ssize_t bytes = size; + if (pj_file_write(hnd_, buff, &bytes) != PJ_SUCCESS) + return -1; + return bytes; + } + + // + // Read data. + // + pj_ssize_t read(void *buf, pj_size_t size) + { + pj_ssize_t bytes = size; + if (pj_file_read(hnd_, buf, &bytes) != PJ_SUCCESS) + return -1; + return bytes; + } + + // + // Set file position. + // + pj_status_t setpos(pj_off_t offset, Offset_Type whence) + { + return pj_file_setpos(hnd_, offset, + (enum pj_file_seek_type)whence); + } + + // + // Get file position. + // + pj_off_t getpos() + { + pj_off_t pos; + if (pj_file_getpos(hnd_, &pos) != PJ_SUCCESS) + return -1; + return pos; + } + +private: + pj_oshandle_t hnd_; +}; + + + +#endif /* __PJPP_FILE_HPP__ */ + |