188 lines
3.7 KiB
C++
188 lines
3.7 KiB
C++
/*
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* Copyright (C) 2008-2009 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __PJPP_FILE_HPP__
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#define __PJPP_FILE_HPP__
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#include <pj/file_io.h>
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#include <pj/file_access.h>
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#include <pj++/types.hpp>
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#include <pj++/pool.hpp>
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//
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// File API.
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//
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class Pj_File_API
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{
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public:
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//
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// Check file existance.
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//
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static bool file_exists(const char *filename)
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{
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return pj_file_exists(filename) != 0;
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}
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//
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// Get file size.
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//
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static pj_off_t file_size(const char *filename)
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{
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return pj_file_size(filename);
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}
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//
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// Delete file.
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//
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static pj_status_t file_delete(const char *filename)
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{
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return pj_file_delete(filename);
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}
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//
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// Move/rename file.
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//
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static pj_status_t file_move(const char *oldname, const char *newname)
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{
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return pj_file_move(oldname, newname);
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}
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//
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// Get stat.
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//
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static pj_status_t file_stat(const char *filename, pj_file_stat *buf)
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{
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return pj_file_getstat(filename, buf);
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}
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};
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//
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// File.
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//
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class Pj_File : public Pj_Object
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{
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public:
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//
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// Offset type to be used in setpos.
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//
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enum Offset_Type
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{
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PJ_SEEK_SET = PJ_SEEK_SET,
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PJ_SEEK_CUR = PJ_SEEK_CUR,
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PJ_SEEK_END = PJ_SEEK_END,
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};
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//
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// Default constructor.
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//
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Pj_File()
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: hnd_(0)
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{
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}
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//
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// Construct and open a file.
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//
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Pj_File(Pj_Pool *pool, const char *filename,
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unsigned access = PJ_O_RDONLY)
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: hnd_(NULL)
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{
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open(pool, filename, access);
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}
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//
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// Destructor closes the file.
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//
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~Pj_File()
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{
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close();
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}
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//
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// Open a file.
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//
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pj_status_t open(Pj_Pool *pool, const char *filename,
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unsigned access = PJ_O_RDONLY )
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{
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close();
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return pj_file_open(pool->pool_(), filename, access, &hnd_);
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}
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//
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// Close a file.
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//
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void close()
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{
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if (hnd_ != 0) {
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pj_file_close(hnd_);
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hnd_ = 0;
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}
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}
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//
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// Write data.
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//
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pj_ssize_t write(const void *buff, pj_size_t size)
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{
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pj_ssize_t bytes = size;
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if (pj_file_write(hnd_, buff, &bytes) != PJ_SUCCESS)
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return -1;
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return bytes;
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}
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//
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// Read data.
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//
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pj_ssize_t read(void *buf, pj_size_t size)
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{
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pj_ssize_t bytes = size;
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if (pj_file_read(hnd_, buf, &bytes) != PJ_SUCCESS)
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return -1;
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return bytes;
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}
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//
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// Set file position.
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//
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pj_status_t setpos(pj_off_t offset, Offset_Type whence)
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{
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return pj_file_setpos(hnd_, offset,
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(enum pj_file_seek_type)whence);
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}
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//
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// Get file position.
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//
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pj_off_t getpos()
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{
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pj_off_t pos;
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if (pj_file_getpos(hnd_, &pos) != PJ_SUCCESS)
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return -1;
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return pos;
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}
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private:
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pj_oshandle_t hnd_;
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};
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#endif /* __PJPP_FILE_HPP__ */
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