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/*************************************************************************/
/* file_access_windows.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#ifdef WINDOWS_ENABLED
#include "file_access_windows.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <wchar.h>
#include <tchar.h>
#include "print_string.h"
#ifdef _MSC_VER
#define S_ISREG(m) ((m)&_S_IFREG)
#endif
void FileAccessWindows::check_errors() const {
ERR_FAIL_COND(!f);
if (feof(f)) {
last_error=ERR_FILE_EOF;;
}
}
Error FileAccessWindows::_open(const String& p_filename, int p_mode_flags) {
String filename=fix_path(p_filename);
if (f)
close();
const wchar_t* mode_string;
if (p_mode_flags==READ)
mode_string=L"rb";
else if (p_mode_flags==WRITE)
mode_string=L"wb";
else if (p_mode_flags==READ_WRITE)
mode_string=L"wb+";
else
return ERR_INVALID_PARAMETER;
/* pretty much every implementation that uses fopen as primary
backend supports utf8 encoding */
struct _stat st;
if (_wstat(filename.c_str(), &st) == 0) {
if (!S_ISREG(st.st_mode))
return ERR_FILE_CANT_OPEN;
};
if (is_backup_save_enabled() && p_mode_flags&WRITE && !(p_mode_flags&READ)) {
save_path=filename;
filename=filename+".tmp";
//print_line("saving instead to "+path);
}
f=_wfopen(filename.c_str(), mode_string);
if (f==NULL) {
last_error=ERR_FILE_CANT_OPEN;
return ERR_FILE_CANT_OPEN;
} else {
last_error=OK;
flags=p_mode_flags;
return OK;
}
}
void FileAccessWindows::close() {
if (!f)
return;
fclose(f);
f = NULL;
if (save_path!="") {
//unlink(save_path.utf8().get_data());
//print_line("renaming..");
_wunlink(save_path.c_str()); //unlink if exists
int rename_error = _wrename((save_path+".tmp").c_str(),save_path.c_str());
save_path="";
ERR_FAIL_COND( rename_error != 0);
}
}
bool FileAccessWindows::is_open() const {
return (f!=NULL);
}
void FileAccessWindows::seek(size_t p_position) {
ERR_FAIL_COND(!f);
last_error=OK;
if ( fseek(f,p_position,SEEK_SET) )
check_errors();
}
void FileAccessWindows::seek_end(int64_t p_position) {
ERR_FAIL_COND(!f);
if ( fseek(f,p_position,SEEK_END) )
check_errors();
}
size_t FileAccessWindows::get_pos() const {
size_t aux_position=0;
if ( !(aux_position = ftell(f)) ) {
check_errors();
};
return aux_position;
}
size_t FileAccessWindows::get_len() const {
ERR_FAIL_COND_V(!f,0);
size_t pos = get_pos();
fseek(f,0,SEEK_END);
int size = get_pos();
fseek(f, pos, SEEK_SET);
return size;
}
bool FileAccessWindows::eof_reached() const {
check_errors();
return last_error==ERR_FILE_EOF;
}
uint8_t FileAccessWindows::get_8() const {
ERR_FAIL_COND_V(!f,0);
uint8_t b;
if (fread(&b,1,1,f) == 0) {
check_errors();
};
return b;
}
int FileAccessWindows::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!f,-1);
int read = fread(p_dst, 1,p_length, f);
check_errors();
return read;
};
Error FileAccessWindows::get_error() const {
return last_error;
}
void FileAccessWindows::store_8(uint8_t p_dest) {
ERR_FAIL_COND(!f);
fwrite(&p_dest,1,1,f);
}
bool FileAccessWindows::file_exists(const String& p_name) {
FILE *g;
//printf("opening file %s\n", p_fname.c_str());
String filename=fix_path(p_name);
g=_wfopen(filename.c_str(),L"rb");
if (g==NULL) {
return false;
} else {
fclose(g);
return true;
}
}
uint64_t FileAccessWindows::_get_modified_time(const String& p_file) {
String file=fix_path(p_file);
if (file.ends_with("/") && file!="/")
file=file.substr(0,file.length()-1);
struct _stat st;
int rv = _wstat(file.c_str(), &st);
if (rv == 0) {
return st.st_mtime;
} else {
print_line("no access to "+file );
}
ERR_FAIL_V(0);
};
FileAccessWindows::FileAccessWindows() {
f=NULL;
flags=0;
last_error=OK;
}
FileAccessWindows::~FileAccessWindows() {
close();
}
#endif
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